/* eslint-env jquery */

var gform = window.gform || {};

// "prop" method fix for previous versions of jQuery (1.5 and below)
if( typeof jQuery.fn.prop === 'undefined' ) {
    jQuery.fn.prop = jQuery.fn.attr;
}

// Announcing validation errors after form render.
jQuery( document ).on( 'gform_post_render', announceAJAXValidationErrors );

/**
 * Announce validation errors after form has been rendered.
 *
 * @since 2.5.1
 */
function announceAJAXValidationErrors() {
	// Announce validation errors.
	if ( ! jQuery('.gform_validation_errors').length ) {
		return;
	}
	const focusableEl = document.querySelector( '[data-js="gform-focus-validation-error"]' );
	if ( focusableEl ) {
		// elements with tabindex="-1" are not focusable by default, but can be focused programmatically
		focusableEl.setAttribute( 'tabindex', '-1' );
		focusableEl.focus();
	}
	setTimeout( function() {
	  wp.a11y.speak( jQuery( '.gform_validation_errors > h2' ).text() );
	}, 1000 );

}

//Formatting free form currency fields to currency
jQuery( document ).on( 'gform_post_render', gformBindFormatPricingFields );

function gformBindFormatPricingFields(){
	// Namespace the event and remove before adding to prevent double binding.
    jQuery(".ginput_amount, .ginput_donation_amount").off('change.gform').on("change.gform", function(){
        gformFormatPricingField(this);
    });

    jQuery(".ginput_amount, .ginput_donation_amount").each(function(){
        gformFormatPricingField(this);
    });
}

//----------------------------------------
//------ INSTANCES -----------------------
//----------------------------------------

/**
 * Namespace to store our JavaScript class instances
 */

gform.instances = {};

//----------------------------------------
//------ CONSOLE FUNCTIONS ---------------
//----------------------------------------

/**
 * Console namespace for our safe to use and extendable console functions.
 */

gform.console = {
    error: function( message ) {
        if( window.console ) {
            console.error( message );
        }
    },
    info: function( message ) {
        if( window.console ) {
            console.info( message );
        }
    },
    log: function( message ) {
        if( window.console ) {
            console.log( message );
        }
    },
};

//----------------------------------------
//------ ADMIN UTIL FUNCTIONS ------------
//----------------------------------------

/**
 * Namespace for our admin utlity functions
 */

gform.adminUtils = {

	/**
	 * Handle any unsaved changes to the current settings page.
	 *
	 * @since 2.4
	 *
	 * @param {string} elemId The ID of the current element to check for changes.
	 */
	handleUnsavedChanges: function( elemId ) {
		var hasUnsavedChanges = null;

		jQuery( elemId ).find( 'input, select, textarea' ).on( 'change keyup', function() {

			if ( jQuery( this ).attr( 'onChange' ) === undefined && jQuery( this ).attr( 'onClick' ) === undefined )  {
				hasUnsavedChanges = true;
			}

			// Don't trigger unsaved changes on the enable api access button.
			if ( ( jQuery( this ).next().data("jsButton") || jQuery( this ).data("jsButton") ) === 'enable-api' ) {
				hasUnsavedChanges = null;
			}

		} );

		// Standalone logic for the web api settings page. Trigger unsaved changes if the setting doesn't match the checkbox state.
		if ( this.getUrlParameter( 'subview' ) === 'gravityformswebapi' ) {
			if ( gf_webapi_vars.api_enabled !== gf_webapi_vars.enable_api_checkbox_checked ) {
				hasUnsavedChanges = true;
			}
		}

		jQuery( elemId ).on( 'submit', function() {
			hasUnsavedChanges = null;
		} );

		window.onbeforeunload = function() {
			return hasUnsavedChanges;
		};
	},

	getUrlParameter: function( param ) {
		var url = window.location.search.substring( 1 );
		var urlVariables = url.split( '&' );
		for ( var i = 0; i < urlVariables.length; i++ ) {
			var parameterName = urlVariables[i].split( '=' );
			if ( parameterName[0] == param )
			{
				return parameterName[1];
			}
		}
	},

	handleIEDisplay: function() {
		var isIE = ! gform.tools.isIE();

		var ieShow    = gform.tools.getNodes( 'show-if-ie', true );
		var ieHide    = gform.tools.getNodes( 'hide-if-ie', true );
		var otherShow = gform.tools.getNodes( 'show-if-not-ie', true );
		var otherHide = gform.tools.getNodes( 'hide-if-not-ie', true );

		if ( isIE ) {
			ieShow.forEach( function( el ) {
				el.classList.add( 'active' );
			});

			ieHide.forEach( function( el ) {
				el.classList.remove( 'active' );
			});
		} else {
			otherShow.forEach( function( el ) {
				el.classList.add( 'active' );
			});

			otherHide.forEach( function( el ) {
				el.classList.remove( 'active' );
			});
		}
	},
}

window.HandleUnsavedChanges = gform.adminUtils.handleUnsavedChanges;

//----------------------------------------
//------ TOOL FUNCTIONS ------------------
//----------------------------------------

/**
 * Tool namespace to house our common dom/function tools.
 */

gform.tools = {
	/**
	 * Wrapper to add debouncing to any given callback.
	 *
	 * @since 2.5.2
	 *
	 * @param {Function} fn             The callback to execute.
	 * @param {integer}  debounceLength The amount of time for which to debounce (in milliseconds)
	 * @param {bool}     isImmediate    Whether to fire this immediately, or at the tail end of the timeout.
	 *
	 * @returns {function}
	 */
	debounce: function( fn, debounceLength, isImmediate ) {
		// Initialize var to hold our window timeout
		var timeout;
		var lastArgs;
		var lastFn;

		return function() {
			// Initialize local versions of our context and arguments to pass to apply()
			var callbackContext = this;
			var args            = arguments;

			// Create a deferred callback to fire if this shouldn't be immediate.
			var deferredCallback = function() {
				timeout = null;

				if ( ! isImmediate ) {
					fn.apply( callbackContext, args );
				}
			};

			// Begin processing the actual callback.
			var callNow = isImmediate && ! timeout;

			// Reset timeout if it is the same method with the same args.
			if ( args === lastArgs && ( ''+lastFn == ''+fn ) ) {
				clearTimeout( timeout );
			}

			// Set the value of the last function call and arguments to help determine whether the next call is unique.
			var cachePreviousCall = function( fn, args ) {
				lastFn    = fn;
				lastArgs = args;
			}

			timeout = setTimeout( deferredCallback, debounceLength );
			cachePreviousCall( fn, args );

			// Method should be executed on the trailing edge of the timeout. Bail for now.
			if ( ! callNow ) {
				return;
			}

			// Callback should be called immediately, and isn't currently debounced; execute it.
			fn.apply( callbackContext, args );
		};
	},

    /**
     * @function gform.tools.defaultFor
     * @description Returns a default if first arg is undefined. Once we start migrating to es6 or use babel can
     * easily swap to default args
     *
     * @since 2.5
     *
     * @param {*} arg
     * @param {*} val
     * @returns {*}
     */

    defaultFor: function( arg, val ) {
        return typeof arg !== 'undefined' ? arg : val;
    },

	/**
	 * @function gform.tools.getFocusable
	 * @description Get focusable elements inside a container and return as an array.
	 *
	 * @since 2.5
	 *
	 * @param container the parent to search for focusable elements inside of
	 * @returns {*[]}
	 */

	getFocusable: function( container ) {
		container = this.defaultFor( container, document );
		var focusable = this.convertElements(
			container.querySelectorAll(
				'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])'
			)
		);
		return focusable.filter( function( item ) {
			return this.visible( item );
		}.bind( this ) );
	},

	/**
	 * @function gform.tools.htmlToElement
	 *
	 * Allows you to convert an HTML string to a DOM Object.
	 *
	 * @param {string} html
	 *
	 * @returns {ChildNode}
	 */
	htmlToElement: function( html ) {
		var template       = document.createElement( 'template' );
		html               = html.trim();
		template.innerHTML = html;

		return template.content.firstChild;
	},

	/**
	 * @function gform.tools.elementToHTML
	 *
	 * Converts a DOM Element to an HTML string.
	 *
	 * @param {object} el
	 *
	 * @returns {string}
	 */
	elementToHTML: function( el ) {
		return el.outerHTML;
	},

    /**
     * @function gform.tools.convertElements
     * @description Efficient function to convert a nodelist into a standard array.
     * Allows you to run Array.forEach in ie11/saf on result of querySelector functions.
     * Used by getNodes below.
     *
     * @since 2.5
     *
     * @param {Element|NodeList} elements Elements to convert
     *
     * @returns {Array} Of converted elements
     */

    convertElements: function( elements ) {
        var converted = [];
        var i         = elements.length;
        for ( i; i--; converted.unshift( elements[ i ] ) ) ;

        return converted;
    },

	/**
	 * @function gform.tools.delegate
	 * @description Simple jQuery on replacement. When migrating to ES6 bundle replace with npm delegate.
	 *
	 * @since 2.5
	 *
	 * @param {String} selector
	 * @param {String} event
	 * @param {String} childSelector
	 * @param {Function} handler
	 */

	delegate: function( selector, event, childSelector, handler ) {
		var is = function( el, selector ) {
			return ( el.matches || el.msMatchesSelector ).call( el, selector );
		};

		var elements = document.querySelectorAll( selector );
		[].forEach.call( elements, function( el, i ) {
			el.addEventListener( event, function( e ) {
				if ( is( e.target, childSelector ) ) {
					handler( e );
				}
			} );
		} );
	},

    /**
     * @function gform.tools.getClosest
     * @description Get a parent node based on selector plus passed in child element.
     *
     * @since 2.5
     *
     * @param {Element|EventTarget} el
     * @param {String} selector
     *
     * @returns {null|*}
     */

    getClosest: function( el, selector ) {
        var matchesFn;
        var parent;

        [ 'matches', 'webkitMatchesSelector', 'mozMatchesSelector', 'msMatchesSelector', 'oMatchesSelector' ]
            .some( function( fn ) {
                if ( typeof document.body[ fn ] === 'function' ) {
                    matchesFn = fn;
                    return true;
                }
                return false;
            } );

        while ( el ) {
            parent = el.parentElement;
            if ( parent && parent[ matchesFn ]( selector ) ) {
                return parent;
            }

            el = parent;
        }

        return null;
    },

    /**
     * @function gform.tools.getNodes
     * @description Used for getting nodes. Please use the data-js attribute whenever possible.
     *
     * @since 2.5
     *
     * @param {String} selector The selector string to search for. If arg 4 is false (default) then we search for [data-js="selector"]
     * @param {Boolean} [convert] Convert the NodeList to an array? Then we can Array.forEach directly. Uses convertElements from above.
     * @param {Element|EventTarget|Document} [node] Parent node to search from. Defaults to document.
     * @param {Boolean} [custom] Is this a custom selector were we don't want to use the data-js attribute?
     *
     * @returns {NodeList|Array}
     */

    getNodes: function( selector, convert, node, custom ) {
        if ( ! selector ) {
            gform.console.error( 'Please pass a selector to gform.tools.getNodes' );
            return [];
        }
        node = this.defaultFor( node, document );
        var selectorString = custom ? selector : '[data-js="' + selector + '"]';
        var nodes          = node.querySelectorAll( selectorString );
        if ( convert ) {
            nodes = this.convertElements( nodes );
        }
        return nodes;
    },

	/**
	 * @function gform.tools.mergeObjects
	 * @description ES5 Object.assign. Usage: gforms.tools.mergeObjects( obj1, obj2, obj3 );
	 *
	 * @since 2.5
	 *
	 * @returns {{}}
	 */

	mergeObjects: function() {
		var resObj = {};
		for ( var i = 0; i < arguments.length; i += 1 ) {
			var obj = arguments[ i ]
			var keys = Object.keys( obj );
			for ( var j = 0; j < keys.length; j += 1 ) {
				resObj[ keys[ j ] ] = obj[ keys[ j ] ];
			}
		}
		return resObj;
	},

    /**
     * @function gform.tools.setAttr
     * @description Sets attributes for a group of nodes based on a passed selector.
     * Can apply to document or subset, and has optional delay.
     *
     * @since 2.5
     *
     * @param {String} selector A selector string, and valid js selector string for a dom element.
     * @param {String} attr The attribute name.
     * @param {String} value The attribute value.
     * @param {Element|EventTarget|Document} [container] Node to search from, default is document.
     * @param {Number} [delay] The delay to apply.
     */

    setAttr: function( selector, attr, value, container, delay ) {
        if ( ! selector || ! attr || ! value ) {
            gform.console.error( 'Please pass a selector, attribute and value to gform.tools.setAttr' );
            return [];
        }
        container = this.defaultFor( container, document );
        delay = this.defaultFor( delay, 0 );

        setTimeout( function() {
            gform.tools.getNodes( selector, true, container, true )
                .forEach( function( node ) {
                    node.setAttribute( attr, value );
                } );
        }, delay );
    },

	/**
	 * @function gform.tools.isRtl
	 * @description Determine if the page is in RTL.
	 *
	 * @since 2.5
	 *
	 */

	isRtl: function() {
		if ( jQuery( 'html' ).attr( 'dir' ) === 'rtl' ) {
			return true;
		}
	},

	/**
	 * @function gform.tools.isIE
	 * @description Determine if the current client browser is IE.
	 *
	 * @return {bool}
	 */
	isIE: function() {
		return window.document.documentMode;
	},

	/**
	 * @function gform.tools.trigger
	 * @description Trigger custom or native events on any element in a cross browser way, and pass along optional data.
	 *
	 * @since 2.5.1.1
	 *
	 * @param {String} eventName The event name.
	 * @param {Element|EventTarget|Document} el Default document. The element to trigger the event on.
	 * @param {Boolean} native Default fasle. Is this a custom event or native?
	 * @param {Object} data Custom data to send along, available in event.detail on listener.
	 */

	trigger: function( eventName, el, native, data ) {
		var event;
		eventName =  this.defaultFor( eventName, '' );
		el =  this.defaultFor( el, document );
		native =  this.defaultFor( native, false );
		data =  this.defaultFor( data, {} );
		if ( native ) {
			event = document.createEvent( 'HTMLEvents' );
			event.initEvent( eventName, true, false );
		} else {
			try {
				event = new CustomEvent( eventName, { detail: data } );
			} catch ( e ) {
				event = document.createEvent( 'CustomEvent' );
				event.initCustomEvent( eventName, true, true, data );
			}
		}

		el.dispatchEvent( event );
	},

	/**
	 * @function gform.tools.uniqueId
	 * @description Generate a unique id
	 *
	 * @since 2.5.5.2
	 *
	 * @param {String} prefix
	 * @returns {string}
	 */

	uniqueId: function( prefix ) {
		prefix = this.defaultFor( prefix, 'id' );
		return prefix + '-' + Math.random().toString( 36 ).substr( 2, 9 );
	},

	/**
	 * @function gform.tools.visible
	 * @description Determine if an element is visible in the dom.
	 *
	 * @since 2.5
	 *
	 * @param elem The element to check
	 * @returns {boolean}
	 */

	visible: function( elem ) {
		return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
	},

	stripSlashes: function( str ) {
		return (str + '').replace(/\\(.?)/g, function (s, n1) {
			switch (n1) {
				case '\\':
					return '\\';
				case '0':
					return '\u0000';
				case '':
					return '';
				default:
					return n1;
			}
		});
	},

	/**
	 * @function gform.tools.getCookie
	 * @description Gets a specific cookie.
	 *
	 * @since 2.5.8
	 *
	 * @param name The cookie to get
	 * @returns {boolean|string}
	 */

	getCookie: function( name ) {
		var cookieArr = document.cookie.split( ";" );

		for(var i = 0; i < cookieArr.length; i++) {
			var cookiePair = cookieArr[i].split( "=" );

			if( name == cookiePair[0].trim() ) {
				return decodeURIComponent( cookiePair[1] );
			}
		}

		return null;
	},

	/**
	 * @function gform.tools.setCookie
	 * @description Creates and sets a cookie.
	 *
	 * @since 2.5.8
	 *
	 * @param name The cookie name
	 * @param value The cookie value
	 * @param daysToExpire The number of days until cookie should expire. If not set,
	 * will expire at the end of the user sessions.
	 * @param updateExistingValue Whether or not to update the existing cookie value to include the new value.
	 * Can be helpful for keeping cookie count lower for the browser.
	 */

	setCookie: function( name, value, daysToExpire, updateExistingValue ) {
		var expirationDate = '';
		var cookieValue = value;

		if ( daysToExpire ) {
			var date = new Date();
			date.setTime( date.getTime() + ( daysToExpire * 24 * 60 * 60 * 1000 ) );
			expirationDate = ' expires=' + date.toUTCString();
		}

		if ( updateExistingValue ) {
			var currentValue = gform.tools.getCookie( name );
			cookieValue = currentValue !== '' && currentValue !== null ? currentValue + ',' + value : value;
		}

		// Set cookie
		document.cookie = encodeURIComponent( name ) + '=' + encodeURIComponent( cookieValue ) + ';' + expirationDate;
	},

	/**
	 * @function gform.tools.removeCookie
	 * @description Removes a cookie.
	 *
	 * @since 2.5.8
	 *
	 * @param name The cookie name to check
	 */

	removeCookie: function( name ) {
		gform.tools.setCookie( name, '', -1 );
	}
};

//------------------------------------------------
//---------- A11Y FUNCTIONS ----------------------
//------------------------------------------------

/**
 * A11y namespace to house our accessibility functions.
 */

gform.a11y = {};

//------------------------------------------------
//---------- OPTIONS -----------------------------
//------------------------------------------------

/**
 * Options namespace to house common plugin and custom options objects for reuse across our JavaScript.
 */

gform.options = {

    /**
     * Accordions in the editor sidebar use these options. Should be applied to any accordions that want to emulate
     * that look and feel, and patches an a11y issue with jq accordion and our custom usage.
     */

    jqEditorAccordions: {
    	header: 'button.panel-block-tabs__toggle',
        heightStyle: 'content',
        collapsible: true,
        animate: false,
        create: function( event ) {
            gform.tools.setAttr( '.ui-accordion-header', 'tabindex', '0', event.target, 100 );
        },
        activate: function( event ) {
            gform.tools.setAttr( '.ui-accordion-header', 'tabindex', '0', event.target, 100 );
        },
	    beforeActivate: function( event ) {
			// handle advanced tab operations as needed before the tab is revealed in a fields settings
			if ( event.currentTarget.id === 'advanced_tab_toggle' ) {
				// handle address field
				if ( window.field && window.field.type && window.field.type === 'address' ) {
					// regen the Autocomplete UI on every tab open to handle changes to input visibility from interactions
					CreateAutocompleteUI( window.field );
				}
			}
	    }
    },

	jqAddFieldAccordions: {
		heightStyle: 'content',
		collapsible: true,
		animate: false,
		create: function( event ) {
			gform.tools.setAttr( '.ui-accordion-header', 'tabindex', '0', event.target, 100 );
		},
		activate: function( event ) {
			gform.tools.setAttr( '.ui-accordion-header', 'tabindex', '0', event.target, 100 );
		},
	},
};

//------------------------------------------------
//---------- CURRENCY ----------------------------
//------------------------------------------------

function Currency(currency){
    this.currency = currency;

    this.toNumber = function(text){

        if(this.isNumeric(text)) {
			return parseFloat(text);
		}

        return gformCleanNumber(text, this.currency["symbol_right"], this.currency["symbol_left"], this.currency["decimal_separator"]);
    };

	/**
	 * Attempts to clean the specified number and formats it as currency.
	 *
	 * @since 2.1.1.16 Allow the overriding of numerical checks.
	 *
	 * @param number    int  Number to be formatted. It can be a clean number, or an already formatted number.
	 * @param isNumeric bool Whether or not the number is guaranteed to be a clean, unformatted number.
	 *                       When false the function will attempt to clean the number. Defaults to false.
	 *
	 * @return string A number formatted as currency.
	 */
	this.toMoney = function(number, isNumeric){

		isNumeric = isNumeric || false; //isNumeric is an optional parameter. Defaults to false

		if( ! isNumeric ) {
			//Cleaning number, removing all formatting
			number = gformCleanNumber(number, this.currency["symbol_right"], this.currency["symbol_left"], this.currency["decimal_separator"]);
		}

		if(number === false) {
			return "";
		}

        number = number + "";
        negative = "";
        if(number[0] == "-"){

            number = parseFloat(number.substr(1));
			negative = '-';
		}

        money = this.numberFormat(number, this.currency["decimals"], this.currency["decimal_separator"], this.currency["thousand_separator"]);

		if ( money == '0.00' ){
			negative = '';
		}

        var symbol_left = this.currency["symbol_left"] ? this.currency["symbol_left"] + this.currency["symbol_padding"] : "";
        var symbol_right = this.currency["symbol_right"] ? this.currency["symbol_padding"] + this.currency["symbol_right"] : "";

		money =  negative + this.htmlDecode(symbol_left) + money + this.htmlDecode(symbol_right);

		return money;
    };


	/**
	 * Formats a number given the specified parameters.
	 *
	 * @since Unknown
	 *
	 * @param number        int    Number to be formatted. Must be a clean, unformatted  format.
	 * @param decimals      int    Number of decimals that the output should contain.
	 * @param dec_point     string Character to use as the decimal separator. Defaults to ".".
	 * @param thousands_sep string Character to use as the thousand separator. Defaults to ",".
	 * @param padded        bool   Pads output with zeroes if the number is exact. For example, 1.200.
	 *
	 * @return string The formatted number.
	 */
    this.numberFormat = function(number, decimals, dec_point, thousands_sep, padded){

    	padded = typeof padded == 'undefined' ? true : padded;
        number = (number+'').replace(',', '').replace(' ', '');
        var n = !isFinite(+number) ? 0 : +number,
        prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
        sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep, dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
        s = '',

        toFixedFix = function (n, prec) {
            var k = Math.pow(10, prec);
            return '' + Math.round(n * k) / k;
        };

        if(decimals == '0') {

            n = n + 0.0000000001; // getting around floating point arithmetic issue when rounding. ( i.e. 4.005 is represented as 4.004999999999 and gets rounded to 4.00 instead of 4.01 )

            s = ('' + Math.round(n)).split('.');
        } else
        if(decimals == -1) {
            s = ('' + n).split('.');
        } else {

            n = n + 0.0000000001; // getting around floating point arithmetic issue when rounding. ( i.e. 4.005 is represented as 4.004999999999 and gets rounded to 4.00 instead of 4.01 )

            // Fix for IE parseFloat(0.55).toFixed(0) = 0;
            s = toFixedFix(n, prec).split('.');
        }

        if (s[0].length > 3) {
            s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
        }

        if(padded) {
            if ((s[1] || '').length < prec) {
                s[1] = s[1] || '';
                s[1] += new Array(prec - s[1].length + 1).join('0');
            }
        }

        return s.join(dec);
    }

    this.isNumeric = function(number){
        return gformIsNumber(number);
    };

    this.htmlDecode = function(text) {
        var c,m,d = text;

        // look for numerical entities &#34;
        var arr=d.match(/&#[0-9]{1,5};/g);

        // if no matches found in string then skip
        if(arr!=null){
            for(var x=0;x<arr.length;x++){
                m = arr[x];
                c = m.substring(2,m.length-1); //get numeric part which is refernce to unicode character
                // if its a valid number we can decode
                if(c >= -32768 && c <= 65535){
                    // decode every single match within string
                    d = d.replace(m, String.fromCharCode(c));
                }else{
                    d = d.replace(m, ""); //invalid so replace with nada
                }
            }
        }
        return d;
    };

	/**
	 * Returns the currency code if it exists.
	 *
	 * @since 2.5.13
	 *
	 * @return {string|false}
	 */
	this.getCode = function() {
    	return 'code' in this.currency && this.currency.code !== '' ? this.currency.code : false;
	}
}

/**
 * Gets a formatted number and returns a clean "decimal dot" number.
 *
 * Note: Input must be formatted according to the specified parameters (symbol_right, symbol_left, decimal_separator).
 * @example input -> $1.20, output -> 1.2
 *
 * @since 2.1.1.16 Modified to support additional param in Currency.toMoney.
 *
 * @param text              string The currency-formatted number.
 * @param symbol_right      string The symbol used on the right.
 * @param symbol_left       string The symbol used on the left.
 * @param decimal_separator string The decimal separator being used.
 *
 * @return float The unformatted numerical value.
 */
function gformCleanNumber(text, symbol_right, symbol_left, decimal_separator){
    var clean_number = '',
        float_number = '',
        digit = '',
        is_negative = false;

    //converting to a string if a number as passed
    text = text + " ";

    //Removing symbol in unicode format (i.e. &#4444;)
    text = text.replace(/&.*?;/g, "");

    //Removing symbol from text
    text = text.replace(symbol_right, "");
    text = text.replace(symbol_left, "");

    //Removing all non-numeric characters
    for(var i=0; i<text.length; i++){
        digit = text.substr(i,1);
        if( (parseInt(digit,10) >= 0 && parseInt(digit,10) <= 9) || digit == decimal_separator )
            clean_number += digit;
        else if(digit == '-')
            is_negative = true;
    }

    //Removing thousand separators but keeping decimal point
    for(var i=0; i<clean_number.length; i++) {
        digit = clean_number.substr(i,1);
        if (digit >= '0' && digit <= '9')
            float_number += digit;
        else if(digit == decimal_separator){
            float_number += ".";
        }
    }

    if(is_negative)
        float_number = "-" + float_number;

    return gformIsNumber(float_number) ? parseFloat(float_number) : false;
}

function gformGetDecimalSeparator(numberFormat){
    var s;
    switch (numberFormat){
        case 'currency' :
            var currency = new Currency(gf_global.gf_currency_config);
            s = currency.currency["decimal_separator"];
            break;
        case 'decimal_comma' :
            s = ',';
            break;
        default :
            s = "."
     }
    return s;
}

function gformIsNumber(n) {
  return !isNaN(parseFloat(n)) && isFinite(n);
}

function gformIsNumeric(value, number_format){

    switch(number_format){
        case "decimal_dot" :
            var r = new RegExp("^(-?[0-9]{1,3}(?:,?[0-9]{3})*(?:\.[0-9]+)?)$");
            return r.test(value);
        break;

        case "decimal_comma" :
            var r = new RegExp("^(-?[0-9]{1,3}(?:\.?[0-9]{3})*(?:,[0-9]+)?)$");
            return r.test(value);
        break;
    }
    return false;
}

//------------------------------------------------
//---------- MULTI-PAGE --------------------------
//------------------------------------------------
function gformDeleteUploadedFile(formId, fieldId, deleteButton){
    var parent = jQuery("#field_" + formId + "_" + fieldId);

    var fileIndex = jQuery(deleteButton).parent().index();

    parent.find(".ginput_preview").eq(fileIndex).remove();

    //displaying single file upload field
    parent.find('input[type="file"],.validation_message,#extensions_message_' + formId + '_' + fieldId).removeClass("gform_hidden");

    //displaying post image label
    parent.find(".ginput_post_image_file").show();

    //clearing post image meta fields
    parent.find("input[type=\"text\"]").val('');

    //removing file from uploaded meta
    var filesJson = jQuery('#gform_uploaded_files_' + formId).val();

    if(filesJson){
        var files = jQuery.secureEvalJSON(filesJson);
        if(files) {
            var inputName = "input_" + fieldId;
            var $multfile = parent.find("#gform_multifile_upload_" + formId + "_" + fieldId );
            if( $multfile.length > 0 ) {
                files[inputName].splice(fileIndex, 1);
                var settings = $multfile.data('settings');
                var max = settings.gf_vars.max_files;
                jQuery("#" + settings.gf_vars.message_id).html('');
                if(files[inputName].length < max)
                    gfMultiFileUploader.toggleDisabled(settings, false);

            } else {
                files[inputName] = null;
            }

            jQuery('#gform_uploaded_files_' + formId).val(jQuery.toJSON(files));
        }
    }
}


//------------------------------------------------
//---------- PRICE -------------------------------
//------------------------------------------------
var _gformPriceFields = new Array();
var _anyProductSelected;

function gformIsHidden(element){
    return element.parents('.gfield').not(".gfield_hidden_product").css("display") == "none";
}

/**
 * Calculate total price when input is updated.
 *
 * @since 2.5.2 - This method is run through debounce() to avoid recursions.
 *
 */
var gformCalculateTotalPrice =  gform.tools.debounce(function(formId){
	if(!_gformPriceFields[formId]) {
		return;
	}

	var price = 0;

	_anyProductSelected = false; //Will be used by gformCalculateProductPrice().
	for(var i=0; i<_gformPriceFields[formId].length; i++){
		price += gformCalculateProductPrice(formId, _gformPriceFields[formId][i]);
	}

	//add shipping price if a product has been selected
	if(_anyProductSelected){
		//shipping price
		var shipping = gformGetShippingPrice(formId)
		price += shipping;
	}

	//gform_product_total filter. Allows users to perform custom price calculation
	if(window["gform_product_total"])
		price = window["gform_product_total"](formId, price);

	price = gform.applyFilters('gform_product_total', price, formId);

	gformUpdateTotalFieldPrice( formId, price );
}, 50, false );

/**
 * Updates the value of the total field with a new price if it has changed.
 *
 * @since 2.5.5
 *
 * @param {string|number} formId The ID of the form with the total field.
 * @param {int} price The new price to apply.
 *
 * @return {void}
 */
function gformUpdateTotalFieldPrice( formId, price ) {
	var $totalElement = jQuery( '.ginput_total_' + formId );
	if ( ! $totalElement.length > 0 ) {
		return;
	}

	/**
	 * @function priceHasChanged
	 * @description For legacy, compare numeric values, otherwise compare currency as that's what
	 * the input stores as value.
	 *
	 * @param {Object} priceData
	 * @returns {boolean}
	 */
	var priceHasChanged = function( priceData ) {
		return isLegacy
			? priceData.current !== priceData.new
			: priceData.current !== priceData.newFormatted;
	}

	// Check whether this form is in legacy mode.
	var isLegacy = document.querySelector( '#gform_wrapper_' + formId + '.gform_legacy_markup_wrapper' );
	// Input is hidden in legacy mode and comes after span that displays value, currently only the input is present and visible.
	var $totalInput = isLegacy ? $totalElement.next() : $totalElement;
	// Contains current value (numeric or currency formatted), new numeric value and newFormatted value
	var priceData = {
		current: String( $totalInput.val() ),
		new: String( price ),
		newFormatted: gformFormatMoney( String( price ), true ),
	}

	// New value is the same as the current value, bail before updating.
	if ( ! priceHasChanged( priceData ) ) {
		return;
	}

	// Legacy field
	if ( isLegacy ) {
		// Set input value to numeric value and trigger a change event for any js listeners in conditional logic
		// or third party integrations.
		$totalInput.val( priceData.new ).trigger( 'change' );
		// Inject span with currency value for display.
		$totalElement.html( priceData.newFormatted );
		return;
	}

	// First set the input to the numeric value and trigger the change event so that js listeners get the value in expected format.
	$totalInput.val( priceData.new ).trigger( 'change' );
	// Then set the input to the currency value for display. If you have a script that wants to get the value
	// of this input without listening to the change event you will have to also handle removing the currency formatting
	// if expecting number in your code.
	$totalInput.val( priceData.newFormatted );
}

function gformGetShippingPrice(formId){
    var shippingField = jQuery(".gfield_shipping_" + formId + " input[readonly], .gfield_shipping_" + formId + " select, .gfield_shipping_" + formId + " input:checked");
    var shipping = 0;
    if(shippingField.length == 1 && !gformIsHidden(shippingField)){
        if(shippingField.attr("readonly"))
            shipping = shippingField.val();
        else
            shipping = gformGetPrice(shippingField.val());
    }

    return gformToNumber(shipping);
}

function gformGetFieldId(element){
    var id = jQuery(element).attr("id");
    var pieces = id.split("_");
    if(pieces.length <=0)
        return 0;

    var fieldId = pieces[pieces.length-1];
    return fieldId;

}

function gformCalculateProductPrice(form_id, productFieldId){

    var suffix = '_' + form_id + '_' + productFieldId;


    //Drop down auto-calculating labels
    jQuery('.gfield_option' + suffix + ', .gfield_shipping_' + form_id).find('select').each(function(){

        var dropdown_field = jQuery(this);
        var selected_price = gformGetPrice(dropdown_field.val());
        var field_id = dropdown_field.attr('id').split('_')[2];
        dropdown_field.children('option').each(function(){
            var choice_element = jQuery(this);
            var label = gformGetOptionLabel(choice_element, choice_element.val(), selected_price, form_id, field_id);
            choice_element.html(label);
        });
    });


    //Checkboxes labels with prices
    jQuery('.gfield_option' + suffix).find('.gfield_checkbox').find('input:checkbox').each(function(){
        var checkbox_item = jQuery(this);
        var id = checkbox_item.attr('id');
        var field_id = id.split('_')[2];
        var label_id = id.replace('choice_', '#label_');
        var label_element = jQuery(label_id);
        var label = gformGetOptionLabel(label_element, checkbox_item.val(), 0, form_id, field_id);
        label_element.html(label);
    });


    //Radio button auto-calculating lables
    jQuery('.gfield_option' + suffix + ', .gfield_shipping_' + form_id).find('.gfield_radio').each(function(){
        var selected_price = 0;
        var radio_field = jQuery(this);
        var id = radio_field.attr('id');
        var fieldId = id.split('_')[2];
        var selected_value = radio_field.find('input:radio:checked').val();

        if(selected_value)
            selected_price = gformGetPrice(selected_value);

        radio_field.find('input:radio').each(function(){
            var radio_item = jQuery(this);
            var label_id = radio_item.attr('id').replace('choice_', '#label_');
            var label_element = jQuery(label_id);
            if ( label_element ) {
                var label = gformGetOptionLabel(label_element, radio_item.val(), selected_price, form_id, fieldId);
                label_element.html(label);
            }
        });
    });

	var price = gformGetBasePrice(form_id, productFieldId);
	var quantity = gformGetProductQuantity( form_id, productFieldId );

	//calculating options if quantity is more than 0 (a product was selected).
	if( quantity > 0 ) {

		jQuery('.gfield_option' + suffix).find('input:checked, select').each(function(){
			if(!gformIsHidden(jQuery(this)))
				price += gformGetPrice(jQuery(this).val());
		});

		//setting global variable if quantity is more than 0 (a product was selected). Will be used when calculating total
		_anyProductSelected = true;
	}

    price = price * quantity;

	price = gformRoundPrice(price) ;


    return price;
}


function gformGetProductQuantity(formId, productFieldId) {
    //If product is not selected
    if (!gformIsProductSelected(formId, productFieldId)) {
        return 0;
    }

    var quantity,
        quantityInput = jQuery( '#ginput_quantity_' + formId + '_' + productFieldId ),
        numberFormat;

    // New input ID starts from 2.5, for the single product and calculation fields.
    if ( ! quantityInput.length ) {
        quantityInput = jQuery( '#input_' + formId + '_' + productFieldId + '_1' );
    }

    if (gformIsHidden(quantityInput)) {
        return 0;
    }

    if (quantityInput.length > 0) {

        quantity = quantityInput.val();

    } else {

        quantityInput = jQuery('.gfield_quantity_' + formId + '_' + productFieldId + ' :input');
        quantity = 1;

        if (quantityInput.length > 0) {
            quantity = quantityInput.val();

            var htmlId = quantityInput.attr('id'),
                fieldId = gf_get_input_id_by_html_id(htmlId);

            numberFormat = gf_get_field_number_format( fieldId, formId, 'value' );
        }

    }

    if (!numberFormat)
        numberFormat = 'currency';

    var decimalSeparator = gformGetDecimalSeparator(numberFormat);

    quantity = gformCleanNumber(quantity, '', '', decimalSeparator);
    if (!quantity)
        quantity = 0;

    return quantity;
}


function gformIsProductSelected( formId, productFieldId ) {

	var suffix = "_" + formId + "_" + productFieldId;

	var productField = jQuery("#ginput_base_price" + suffix + ", .gfield_donation" + suffix + " input[type=\"text\"], .gfield_product" + suffix + " .ginput_amount");
	if( productField.val() && ! gformIsHidden(productField) ){
		return true;
	}
	else
	{
		productField = jQuery(".gfield_product" + suffix + " select, .gfield_product" + suffix + " input:checked, .gfield_donation" + suffix + " select, .gfield_donation" + suffix + " input:checked");
		if( productField.val() && ! gformIsHidden(productField) ){
			return true;
		}
	}
	return false;
}

function gformGetBasePrice(formId, productFieldId){

    var suffix = "_" + formId + "_" + productFieldId;
    var price = 0;
    var productField = jQuery("#ginput_base_price" + suffix+ ", .gfield_donation" + suffix + " input[type=\"text\"], .gfield_product" + suffix + " .ginput_amount");
    if(productField.length > 0){
        price = productField.val();

        //If field is hidden by conditional logic, don't count it for the total
        if(gformIsHidden(productField)){
            price = 0;
        }
    }
    else
    {
        productField = jQuery(".gfield_product" + suffix + " select, .gfield_product" + suffix + " input:checked, .gfield_donation" + suffix + " select, .gfield_donation" + suffix + " input:checked");
        var val = productField.val();
        if(val){
            val = val.split("|");
            price = val.length > 1 ? val[1] : 0;
        }

        //If field is hidden by conditional logic, don't count it for the total
        if(gformIsHidden(productField))
            price = 0;

    }

    var c = new Currency(gf_global.gf_currency_config);
    price = c.toNumber(price);
    return price === false ? 0 : price;
}

function gformFormatMoney(text, isNumeric){
    if(!gf_global.gf_currency_config)
        return text;

    var currency = new Currency(gf_global.gf_currency_config);
    return currency.toMoney(text, isNumeric);
}

function gformFormatPricingField(element){
    if(gf_global.gf_currency_config){
        var currency = new Currency(gf_global.gf_currency_config);
        var price = currency.toMoney(jQuery(element).val());
        jQuery(element).val(price);
    }
}

function gformToNumber(text){
    var currency = new Currency(gf_global.gf_currency_config);
    return currency.toNumber(text);
}

function gformGetPriceDifference(currentPrice, newPrice){

    //getting price difference
    var diff = parseFloat(newPrice) - parseFloat(currentPrice);
    price = gformFormatMoney(diff, true);
    if(diff > 0)
        price = "+" + price;

    return price;
}

function gformGetOptionLabel(element, selected_value, current_price, form_id, field_id){
    element = jQuery(element);
    var price = gformGetPrice(selected_value);
    var current_diff = element.attr('price');
    var original_label = element.html().replace(/<span(.*)<\/span>/i, "").replace(current_diff, "");

    var diff = gformGetPriceDifference(current_price, price);
    diff = gformToNumber(diff) == 0 ? "" : " " + diff;
    element.attr('price', diff);

    //don't add <span> for drop down items (not supported)
    var price_label = element[0].tagName.toLowerCase() == "option" ? diff : "<span class='ginput_price'>" + diff + "</span>";
    var label = original_label + price_label;

    //calling hook to allow for custom option formatting
    if(window["gform_format_option_label"])
        label = gform_format_option_label(label, original_label, price_label, current_price, price, form_id, field_id);

    return label;
}

function gformGetProductIds(parent_class, element){
    var classes = jQuery(element).hasClass(parent_class) ? jQuery(element).attr("class").split(" ") : jQuery(element).parents("." + parent_class).attr("class").split(" ");
    for(var i=0; i<classes.length; i++){
        if(classes[i].substr(0, parent_class.length) == parent_class && classes[i] != parent_class)
            return {formId: classes[i].split("_")[2], productFieldId: classes[i].split("_")[3]};
    }
    return {formId:0, fieldId:0};
}

function gformGetPrice(text){
    var val = text.split("|");
    var currency = new Currency(gf_global.gf_currency_config);

    if(val.length > 1 && currency.toNumber(val[1]) !== false)
         return currency.toNumber(val[1]);

    return 0;
}

function gformRoundPrice(price){

	var currency = new Currency(gf_global.gf_currency_config);
    var roundedPrice = currency.numberFormat( price, currency.currency['decimals'], '.', '' );

    return parseFloat( roundedPrice );
}

function gformRegisterPriceField(item){

    if(!_gformPriceFields[item.formId])
        _gformPriceFields[item.formId] = new Array();

    //ignore price fields that have already been registered
    for(var i=0; i<_gformPriceFields[item.formId].length; i++)
        if(_gformPriceFields[item.formId][i] == item.productFieldId)
            return;

    //registering new price field
    _gformPriceFields[item.formId].push(item.productFieldId);
}

function gformInitPriceFields(){

    jQuery(".gfield_price").each(function(){

        var productIds = gformGetProductIds("gfield_price", this);
        gformRegisterPriceField(productIds);

       jQuery( this ).on( 'input change', 'input[type="text"], input[type="number"], select', function() {

           var productIds = gformGetProductIds("gfield_price", this);
           if(productIds.formId == 0)
                productIds = gformGetProductIds("gfield_shipping", this);

           jQuery(document).trigger('gform_price_change', [productIds, this]);
           gformCalculateTotalPrice(productIds.formId);
       });

       jQuery( this ).on( 'click', 'input[type="radio"], input[type="checkbox"]', function() {

           var productIds = gformGetProductIds("gfield_price", this);
           if(productIds.formId == 0)
                productIds = gformGetProductIds("gfield_shipping", this);

           jQuery(document).trigger('gform_price_change', [productIds, this]);
           gformCalculateTotalPrice(productIds.formId);
       });

    });

    for(formId in _gformPriceFields){

        //needed when implementing for in loops
        if(!_gformPriceFields.hasOwnProperty(formId))
            continue;

        gformCalculateTotalPrice(formId);
    }

}


//-------------------------------------------
//---------- PASSWORD -----------------------
//-------------------------------------------
function gformShowPasswordStrength(fieldId){
    var password = document.getElementById( fieldId ).value,
        confirm = document.getElementById( fieldId + '_2' ) ? document.getElementById( fieldId + '_2' ).value : '';

    var result = gformPasswordStrength( password, confirm ),
        text = window[ 'gf_text' ][ "password_" + result ],
        resultClass = result === 'unknown' ? 'blank' : result;

    jQuery("#" + fieldId + "_strength").val(result);
    jQuery("#" + fieldId + "_strength_indicator").removeClass("blank mismatch short good bad strong").addClass(resultClass).html(text);
}

// Password strength meter
function gformPasswordStrength( password1, password2 ) {

    if ( password1.length <= 0 ) {
        return 'blank';
    }

	var disallowedList = wp.passwordStrength.hasOwnProperty( 'userInputDisallowedList' ) ? wp.passwordStrength.userInputDisallowedList() : wp.passwordStrength.userInputBlacklist(),
	    strength = wp.passwordStrength.meter( password1, disallowedList, password2 );

    switch ( strength ) {

        case -1:
            return 'unknown';

        case 2:
            return 'bad';

        case 3:
            return 'good';

        case 4:
            return 'strong';

        case 5:
            return 'mismatch';

        default:
            return 'short';

    }

}

function gformToggleShowPassword( fieldId ) {
    var $password = jQuery( '#' + fieldId ),
        $button = $password.parent().find( 'button' ),
        $icon = $button.find( 'span' ),
        currentType = $password.attr( 'type' );

    switch ( currentType ) {
        case 'password':
            $password.attr( 'type', 'text' );
            $button.attr( 'aria-label', $button.attr( 'data-label-hide' ) );
            $icon.removeClass( 'dashicons-hidden' ).addClass( 'dashicons-visibility' );
            break;
        case 'text':
            $password.attr( 'type', 'password' );
            $button.attr( 'aria-label', $button.attr( 'data-label-show' ) );
            $icon.removeClass( 'dashicons-visibility' ).addClass( 'dashicons-hidden' );
            break;
    }
}

//----------------------------
//------ CHECKBOX FIELD ------
//----------------------------

function gformToggleCheckboxes( toggleElement ) {

	var checked,
        $toggleElement = jQuery( toggleElement ),
        legacy         = $toggleElement.is( 'input[type="checkbox"]' ),
        $toggle        = legacy ? $toggleElement.parent() : $toggleElement.prev(),
	    $toggleLabel   = $toggle.find( 'label' ),
	    $checkboxes    = $toggle.parent().find( '.gchoice:not( .gchoice_select_all )' ),
	    formId         = gf_get_form_id_by_html_id( $toggle.parents( '.gfield' ).attr( 'id' ) ),
	    calcObj        = rgars( window, 'gf_global/gfcalc/' + formId );

    // Determine checked state.
    if ( legacy ) {

        checked = toggleElement.checked;

    } else {

        // Get checked data.
        var checkedData = $toggleElement.data( 'checked' );

        if ( typeof checkedData === 'boolean' ) {
            checked = !checkedData;
        } else {
            checked = !( parseInt( checkedData ) === 1 )
        }

    }

    // Set checkboxes state.
	$checkboxes.each( function() {

		// Set checkbox checked state.
		jQuery( 'input[type="checkbox"]', this ).prop( 'checked', checked ).trigger( 'change' );

		// Execute onclick event.
		if ( typeof jQuery( 'input[type="checkbox"]', this )[0].onclick === 'function' ) {
			jQuery( 'input[type="checkbox"]', this )[0].onclick();
		}

	} );

	// Change toggle label, checked state.
    if ( legacy ) {

        $toggleLabel.html( checked ? $toggleLabel.data( 'label-deselect' ) : $toggleLabel.data( 'label-select' ) );

    } else {

        $toggleElement.html( checked ? $toggleElement.data( 'label-deselect' ) : $toggleElement.data( 'label-select' ) );
        $toggleElement.data( 'checked', checked );

    }

    // Announce change.
    wp.a11y.speak( checked ? gf_field_checkbox.strings.selected : gf_field_checkbox.strings.deselected );

	if ( calcObj ) {
		calcObj.runCalcs( formId, calcObj.formulaFields );
	}

}

//----------------------------
//------ RADIO FIELD ------
//----------------------------

function gformToggleRadioOther( radioElement ) {

    // Get Other input element.
    var $other = radioElement.parentElement.parentElement.parentElement.lastChild.querySelector( 'input[type="text"]' );

    if ( $other ) {
        $other.disabled = radioElement.value !== 'gf_other_choice';
    }

}

//----------------------------
//------ LIST FIELD ----------
//----------------------------

function gformAddListItem( addButton, max ) {

    var $addButton = jQuery( addButton );

    if( $addButton.hasClass( 'gfield_icon_disabled' ) ) {
        return;
    }

    var $group     = $addButton.parents( '.gfield_list_group' ),
        $clone     = $group.clone(),
        $container = $group.parents( '.gfield_list_container' ),
        tabindex   = $clone.find( ':input:last' ).attr( 'tabindex' );

    // reset all inputs to empty state
    $clone
        .find( 'input, select, textarea' ).attr( 'tabindex', tabindex )
        .not( ':checkbox, :radio' ).val( '' );
    $clone.find( ':checkbox, :radio' ).prop( 'checked', false );

    $clone = gform.applyFilters( 'gform_list_item_pre_add', $clone, $group );

    $group.after( $clone );

    gformToggleIcons( $container, max );
    gformAdjustClasses( $container );
    gformAdjustRowAttributes( $container );

    gform.doAction( 'gform_list_post_item_add', $clone, $container );

    wp.a11y.speak( window.gf_global.strings.newRowAdded );

}

function gformDeleteListItem( deleteButton, max ) {

    var $deleteButton = jQuery( deleteButton ),
        $group        = $deleteButton.parents( '.gfield_list_group' ),
        $container    = $group.parents( '.gfield_list_container' );

    $group.remove();

    gformToggleIcons( $container, max );
    gformAdjustClasses( $container );
    gformAdjustRowAttributes( $container );

    gform.doAction( 'gform_list_post_item_delete', $container );

    wp.a11y.speak( window.gf_global.strings.rowRemoved );

}

function gformAdjustClasses( $container ) {

    var $groups = $container.find( '.gfield_list_group' );

    $groups.each( function( i ) {

        var $group       = jQuery( this ),
            oddEvenClass = ( i + 1 ) % 2 == 0 ? 'gfield_list_row_even' : 'gfield_list_row_odd';

        $group.removeClass( 'gfield_list_row_odd gfield_list_row_even' ).addClass( oddEvenClass );

    } );

}

function gformAdjustRowAttributes( $container ) {

    if( $container.parents( '.gform_wrapper' ).hasClass( 'gform_legacy_markup_wrapper' ) ) {
        return;
    }

    $container.find( '.gfield_list_group' ).each( function( i ) {

        var $input = jQuery( this ).find( 'input, select, textarea' );
        $input.each( function( index, input ) {
            var $this = jQuery( input );
            $this.attr( 'aria-label', $this.data( 'aria-label-template' ).gformFormat( i + 1 ) );
        } );

        var $remove = jQuery( this ).find( '.delete_list_item' );
        $remove.attr( 'aria-label', $remove.data( 'aria-label-template' ).gformFormat( i + 1 ) );

    } );

}

function gformToggleIcons( $container, max ) {

    var groupCount  = $container.find( '.gfield_list_group' ).length,
        $addButtons = $container.find( '.add_list_item' ),
        isLegacy    =  typeof gf_legacy !== 'undefined' && gf_legacy.is_legacy;

    $container.find( '.delete_list_item' ).css( 'visibility', groupCount == 1 ? 'hidden' : 'visible' );

    if ( max > 0 && groupCount >= max ) {

        // store original title in the add button
        $addButtons.data( 'title', $container.find( '.add_list_item' ).attr( 'title' ) );
        $addButtons.addClass( 'gfield_icon_disabled' ).attr( 'title', '' );

		if ( ! isLegacy ) {
			$addButtons.prop( 'disabled', true );
		}

    } else if( max > 0 ) {

        $addButtons.removeClass( 'gfield_icon_disabled' );

	    if ( ! isLegacy ) {
		    $addButtons.prop( 'disabled', false );
	    }

        if( $addButtons.data( 'title' ) )   {
            $addButtons.attr( 'title', $addButtons.data( 'title' ) );
        }

    }
}

//-----------------------------------
//--------- REPEATER FIELD ----------
//-----------------------------------

function gformAddRepeaterItem( addButton, max ) {

	var $addButton = jQuery( addButton );

	if( $addButton.hasClass( 'gfield_icon_disabled' ) ) {
		return;
	}

	var $item     = $addButton.closest( '.gfield_repeater_item' ),
		$clone     = $item.clone(),
		$container = $item.closest( '.gfield_repeater_container' ),
		tabindex   = $clone.find( ':input:last' ).attr( 'tabindex' );

	// reset all inputs to empty state
	$clone
		.find( 'input[type!="hidden"], select, textarea' ).attr( 'tabindex', tabindex )
		.not( ':checkbox, :radio' ).val( '' );
	$clone.find( ':checkbox, :radio' ).prop( 'checked', false );
	$clone.find('.validation_message').remove();

	$clone = gform.applyFilters( 'gform_repeater_item_pre_add', $clone, $item );

	$item.after( $clone );

	var $cells = $clone.children('.gfield_repeater_cell');
	$cells.each(function () {
		var $subContainer = jQuery(this).find('.gfield_repeater_container').first();
		if ($subContainer.length > 0) {
			resetContainerItems = function ($c) {
				$c.children('.gfield_repeater_items').children('.gfield_repeater_item').each(function (i) {
					var $children = jQuery(this).children('.gfield_repeater_cell');
					$children.each(function () {
						var $subSubContainer = jQuery(this).find('.gfield_repeater_container').first();
						if ($subSubContainer.length > 0) {
							resetContainerItems($subSubContainer);
						}
					})
				})
				$c.children('.gfield_repeater_items').children('.gfield_repeater_item').not(':first').remove();
			}
			resetContainerItems($subContainer);
		}
	})

	gformResetRepeaterAttributes($container);

	if ( typeof gformInitDatepicker == 'function' ) {
		$container.find('.ui-datepicker-trigger').remove();
		$container.find('.hasDatepicker').removeClass('hasDatepicker');
		gformInitDatepicker();
	}

	gformBindFormatPricingFields();

	gformToggleRepeaterButtons( $container, max );

	gform.doAction('gform_repeater_post_item_add', $clone, $container);

}

function gformDeleteRepeaterItem(deleteButton, max) {

	var $deleteButton = jQuery(deleteButton),
		$group = $deleteButton.closest('.gfield_repeater_item'),
		$container = $group.closest('.gfield_repeater_container');

	$group.remove();

	gformResetRepeaterAttributes($container);
	gformToggleRepeaterButtons($container, max);

	gform.doAction('gform_repeater_post_item_delete', $container);

}

function gformResetRepeaterAttributes($container, depth, row) {

	var cachedRadioSelection = null;

	if (typeof depth === 'undefined') {
		depth = 0;
	}

	if (typeof row === 'undefined') {
		row = 0;
	}

	$container.children('.gfield_repeater_items').children('.gfield_repeater_item').each(function () {
		var $children = jQuery(this).children('.gfield_repeater_cell');
		$children.each(function () {
			var $cell = jQuery(this);
			var $subContainer = jQuery(this).find('.gfield_repeater_container').first();

			if ($subContainer.length > 0) {
				var newDepth = depth + 1;
				gformResetRepeaterAttributes($subContainer, newDepth, row);
				return;
			}

			jQuery(this).find('input, select, textarea, :checkbox, :radio').each(function () {
				var $this = jQuery(this);
				var name = $this.attr('name');

				if ( typeof name == 'undefined' ) {
					return;
				}

				var regEx = /^(input_[^\[]*)((\[[0-9]+\])+)/,
					parts = regEx.exec(name);

				if (!parts) {
					return;
				}
				var inputName = parts[1],
					arayParts = parts[2],
					regExIndex = /\[([0-9]+)\]/g,
					indexes = [],
					match = regExIndex.exec(arayParts);

				while (match != null) {
					indexes.push(match[1]);
					match = regExIndex.exec(arayParts);
				}
				var newNameIndex = parts[1];
				indexes = indexes.reverse();
				var newId = '';
				for (var n = indexes.length - 1; n >= 0; n--) {
					if (n == depth) {
						newNameIndex += '[' + row + ']';
						newId += '-' + row;
					} else {
						newNameIndex += '[' + indexes[n] + ']';
						newId += '-' + indexes[n];
					}
				}

				var currentId = $this.attr('id');
				var $label = $cell.find("label[for='" + currentId + "']");

				if ( currentId ) {
					var matches = currentId.match(/((choice|input)_[0-9|_]*)-/);
					if ( matches && matches[2] ) {
						newId = matches[1] + newId;
						$label.attr('for', newId);
						$this.attr('id', newId);
					}
				}
				var newName = name.replace(parts[0], newNameIndex),
					newNameIsChecked = jQuery('input[name="'+ newName +'"]').is(':checked');

				if ( $this.is(':radio') && $this.is(':checked') && name !== newName && newNameIsChecked ) {
					if ( cachedRadioSelection !== null ) {
						cachedRadioSelection.prop('checked', true);
					}

					$this.prop('checked', false);
					cachedRadioSelection = $this;
				}

				$this.attr('name', newName);
			});
		});
		if (depth === 0) {
			row++;
		}
	});

	if ( cachedRadioSelection !== null ) {
		cachedRadioSelection.prop('checked', true);
		cachedRadioSelection = null;
	}

}

function gformToggleRepeaterButtons($container) {

	var max = $container.closest('.gfield_repeater_wrapper').data('max_items'),
		groupCount = $container.children('.gfield_repeater_items').children('.gfield_repeater_item').length,
		$buttonsContainer = $container.children('.gfield_repeater_items').children('.gfield_repeater_item').children('.gfield_repeater_buttons'),
		$addButtons = $buttonsContainer.children('.add_repeater_item');

	$buttonsContainer.children('.remove_repeater_item').css('visibility', groupCount == 1 ? 'hidden' : 'visible');

	if (max > 0 && groupCount >= max) {

		// store original title in the add button
		$addButtons.data('title', $buttonsContainer.children('.add_repeater_item').attr('title'));
		$addButtons.addClass('gfield_icon_disabled').attr('title', '');

	} else if (max > 0) {

		$addButtons.removeClass('gfield_icon_disabled');

		if ($addButtons.data('title')) {
			$addButtons.attr('title', $addButtons.data('title'));
		}
	}

	$container
		.children('.gfield_repeater_items')
		.children('.gfield_repeater_item')
		.children( '.gfield_repeater_cell').each(function (i) {
			var $subContainer = jQuery(this).find('.gfield_repeater_container').first();
			if ($subContainer.length > 0) {
				gformToggleRepeaterButtons($subContainer);
			}
		});
}


//-----------------------------------
//------ CREDIT CARD FIELD ----------
//-----------------------------------
function gformMatchCard(id) {

    var cardType = gformFindCardType(jQuery('#' + id).val());
    var cardContainer = jQuery('#' + id).parents('.gfield').find('.gform_card_icon_container');

    if(!cardType) {

        jQuery(cardContainer).find('.gform_card_icon').removeClass('gform_card_icon_selected gform_card_icon_inactive');

    } else {

        jQuery(cardContainer).find('.gform_card_icon').removeClass('gform_card_icon_selected').addClass('gform_card_icon_inactive');
        jQuery(cardContainer).find('.gform_card_icon_' + cardType).removeClass('gform_card_icon_inactive').addClass('gform_card_icon_selected');
    }
}

function gformFindCardType(value) {

    if(value.length < 4)
        return false;

    var rules = window['gf_cc_rules'];
    var validCardTypes = new Array();

    for(type in rules) {

        //needed when implementing for in loops
        if(!rules.hasOwnProperty(type))
            continue;


        for(i in rules[type]) {

            if(!rules[type].hasOwnProperty(i))
                continue;

            if(rules[type][i].indexOf(value.substring(0, rules[type][i].length)) === 0) {
                validCardTypes[validCardTypes.length] = type;
                break;
            }

        }
    }

    return validCardTypes.length == 1 ? validCardTypes[0].toLowerCase() : false;
}

function gformToggleCreditCard(){
    if(jQuery("#gform_payment_method_creditcard").is(":checked"))
        jQuery(".gform_card_fields_container").slideDown();
    else
        jQuery(".gform_card_fields_container").slideUp();
}


//----------------------------------------
//------ CHOSEN DROP DOWN FIELD ----------
//----------------------------------------

function gformInitChosenFields( fieldList, noResultsText ) {
    return jQuery( fieldList ).each( function(){
		var element = jQuery( this );
	    var isConvoForm = typeof gfcf_theme_config !== 'undefined' ? ( gfcf_theme_config !== null && typeof gfcf_theme_config.data !== 'undefined' ? gfcf_theme_config.data.is_conversational_form : undefined ) : false;

        // RTL support
        if( jQuery( 'html' ).attr( 'dir' ) == 'rtl' ) {
            element.addClass( 'chosen-rtl chzn-rtl' );
        }

        // only initialize once
        if( ( element.is( ':visible' ) || isConvoForm ) && element.siblings( '.chosen-container' ).length == 0 ) {
			var chosenOptions = { no_results_text: noResultsText };
			if ( isConvoForm ) {
				chosenOptions.width = element.css( 'inline-size' );
			}
            var options = gform.applyFilters( 'gform_chosen_options', chosenOptions, element );
            element.chosen( options );
        }
    });
}

//----------------------------------------
//--- CURRENCY FORMAT NUMBER FIELD -------
//----------------------------------------

function gformInitCurrencyFormatFields(fieldList){
    jQuery(fieldList).each(function(){
        var $this = jQuery(this);
        $this.val( gformFormatMoney( jQuery(this).val() ) );
    }).change( function( event ) {
            jQuery(this).val( gformFormatMoney( jQuery(this).val() ) );
        });
}



//----------------------------------------
//------ JS MERGE TAGS -------------------
//----------------------------------------

var GFMergeTag = function() {

	/**
     * Gets the merge tag value for the specified input Id
	 * @param formId  The current form Id
	 * @param inputId The input Id to get the merge tag from. This could be a field id (i.e. 1) or a specific input Id for multi-input fields (i.e. 1.2)
	 * @param modifier The merge tag modifier to be used. i.e. value, currency, price, etc...
	 * @returns       Returns a string containing the merge tag value for the specified input Id
	 */
	GFMergeTag.getMergeTagValue = function( formId, inputId, modifier ) {

		if ( modifier === undefined ) {
			modifier = '';
		}
		modifier = modifier.replace(":", "");

		var fieldId = parseInt(inputId,10);

		// Check address field's copy value checkbox and reset fieldID to source field if checked
		var isCopyPreviousAddressChecked = jQuery( '#input_' + formId + '_' + fieldId + '_copy_values_activated:checked' ).length > 0;
		if ( isCopyPreviousAddressChecked ) {
			var sourceFieldId = jQuery( '#input_' + formId + '_' + fieldId + '_copy_values_activated' ).data('source_field_id');
			inputId = inputId == fieldId ? sourceFieldId : inputId.toString().replace( fieldId + '.', sourceFieldId + '.' );
			fieldId = sourceFieldId;
		}

		var field = jQuery('#field_' + formId + '_' + fieldId);

		var inputSelector = fieldId == inputId ? 'input[name^="input_' + fieldId + '"]' : 'input[name="input_' + inputId + '"]';
		var input = field.find( inputSelector + ', select[name^="input_' + inputId + '"], textarea[name="input_' + inputId + '"]');

		// checking conditional logic
		var isVisible = window['gf_check_field_rule'] ? gf_check_field_rule( formId, fieldId, true, '' ) == 'show' : true,
			val;

		if ( ! isVisible ) {
			return '';
		}

		// Filtering out the email field confirmation input to prevent the values from both inputs being returned.
		if ( field.find( '.ginput_container_email' ).hasClass( 'ginput_complex' ) ) {
			input = input.first();
		}

		//If value has been filtered, use it. Otherwise use default logic
		var value = gform.applyFilters( 'gform_value_merge_tag_' + formId + '_' + fieldId, false, input, modifier );
		if ( value !== false ){
			return value;
		}

		value = ''; //Reset value to blank

		switch ( modifier ) {
			case 'label':
				// Remove screen reader text from product field label.
				var label = field.find('.gfield_label');
				label.find( '.screen-reader-text' ).remove();
				var labelText = label.text();
				return labelText;
			    break;
			case 'qty':
				if ( field.hasClass('gfield_price') ){
					val = gformGetProductQuantity( formId, fieldId );
					return val === false || val === '' ? 0 : val;
				}
				break;

		}



		// Filter out unselected checkboxes and radio buttons
		if ( input.prop('type') === 'checkbox' || input.prop('type') === 'radio' ) {
			input = input.filter(':checked');
		}

		if ( input.length === 1 ) {
			if ( ( input.is('select') || input.prop('type') === 'radio' || input.prop('type') === 'checkbox' ) && modifier === '' ) {

				if ( input.is( 'select' ) ) {
					val = input.find( 'option:selected' );
				} else if ( input.prop( 'type' ) === 'radio' && input.parent().hasClass( 'gchoice_button' ) ) {
					val = input.parent().siblings( '.gchoice_label' ).find( 'label' ).clone();
				} else {
					val = input.next('label').clone();
				}
				val.find('span').remove();

				if ( val.length === 1 ) {
					val = val.text();
				} else {
					var option = [];
					for(var i=0; i<val.length; i++) {
						option[i] = jQuery(val[i]).text();
					}

					val = option;
				}
			} else if ( val === undefined ) {
				val = input.val();
			}

			if ( jQuery.isArray( val ) ) {
				// multiple select
				value = val.join(', ');
			} else if ( typeof val === 'string' ) {

			    value = GFMergeTag.formatValue( val, modifier );

			} else {
				// empty multiple select returns null, set it to ''
				value = '';
            }
		} else if ( input.length > 1 ) {
			val = [];
			for(var i=0; i<input.length; i++) {
				if( ( input.prop('type') === 'checkbox' ) && modifier === '' ) {

				    var clone = jQuery(input[i]).next('label').clone();
					clone.find('span').remove()
					val[i] = GFMergeTag.formatValue( clone.text(), modifier );

					clone.remove();

				} else {
					val[i] = GFMergeTag.formatValue( jQuery(input[i]).val(), modifier );
				}
			}

			value = val.join(', ');
		}

		return value;
	}

	/**
     * Parses the specified text for merge tags, and replaces all of them with the appropriate merge tag values. Returns the resulting string
	 * @param formId    The current form Id
	 * @param text      The text containing merge tags
	 * @returns         Retuns the original "text" strings with all merge tags replaced with the appropriate merge tag values
	 */
	GFMergeTag.replaceMergeTags = function( formId, text ) {

		var mergeTags = GFMergeTag.parseMergeTags( text );

		for(i in mergeTags) {

			if(! mergeTags.hasOwnProperty(i)) {
				continue;
			}

			var inputId = mergeTags[i][1];
			var fieldId = parseInt(inputId,10);
			var modifier = mergeTags[i][3] == undefined ? '' : mergeTags[i][3].replace(":", "");

			var value = GFMergeTag.getMergeTagValue( formId, inputId, modifier );

			text = text.replace( mergeTags[i][0], value );
		}

		return text;
	}

	GFMergeTag.formatValue = function( value, modifier ) {

		value = value.split( '|' );
		var val = '';
		if( value.length > 1 ) {
			val = modifier === 'price' || modifier === 'currency' ? gformToNumber( value[1] ) : value[0];
		} else {
			val = value[0];
		}

		switch ( modifier ) {

			case 'price':
				val = gformToNumber( val );
				val = val === false ? '' : val;
				break;

			case 'currency':
				val = gformFormatMoney( val, false );
				val = val === false ? '' : val;
				break;

			case 'numeric':
				val = gformToNumber( val );
				return val === false ? 0 : val;
				break;

			default:
				val = val.trim();
				break;
		}

		return val;
	}

	/**
     * Parses the merge tags in the specified text and returns an array of all the matched merge tags
	 *
	 * @param text  The text with merge tags to be parsed
	 * @param regEx The regular expression to be used to parse for merge tags.
	 *
	 * @returns Returns an array with all the merge tags that were matched in the original text
	 */
	GFMergeTag.parseMergeTags = function( text, regEx ) {

		if( typeof regEx === 'undefined' ) {
			regEx = /{[^{]*?:(\d+(\.\d+)?)(:(.*?))?}/i;
		}

		var matches = [];

		while( regEx.test( text ) ) {
			var i = matches.length;
			matches[i] = regEx.exec( text );
			text = text.replace( '' + matches[i][0], '' );
		}

		return matches;
	}
}

new GFMergeTag();


//----------------------------------------
//------ CALCULATION FUNCTIONS -----------
//----------------------------------------

var GFCalc = function(formId, formulaFields){

	this.formId = formId;
	this.formulaFields = formulaFields;

    this.exprPatt = /^[0-9 -/*\(\)]+$/i;
    this.isCalculating = {};

    this.init = function(formId, formulaFields) {

        var calc = this;

        // @since 2.5.10 - namespace event to avoid multiple bindings.
	    jQuery(document)
		    .off("gform_post_conditional_logic.gfCalc_{0}".gformFormat(formId))
		    .on("gform_post_conditional_logic.gfCalc_{0}".gformFormat(formId), function(){
			    calc.runCalcs( formId, formulaFields );
	    } );

        for(var i=0; i<formulaFields.length; i++) {
            var formulaField = jQuery.extend({}, formulaFields[i]);
            this.runCalc(formulaField, formId);
            this.bindCalcEvents(formulaField, formId);
        }

    }

    this.runCalc = function(formulaField, formId) {
        var calcObj      = this,
            field        = jQuery('#field_' + formId + '_' + formulaField.field_id),
            formulaInput = field.hasClass( 'gfield_price' ) ? jQuery( '#ginput_base_price_' + formId + '_' + formulaField.field_id ) : jQuery( '#input_' + formId + '_' + formulaField.field_id ),
            previous_val = formulaInput.val(),
            formula      = gform.applyFilters( 'gform_calculation_formula', formulaField.formula, formulaField, formId, calcObj ),
            expr         = calcObj.replaceFieldTags( formId, formula, formulaField ).replace(/(\r\n|\n|\r)/gm,""),
            result       = '';

        if(calcObj.exprPatt.test(expr)) {
            try {

                //run calculation
                result = eval(expr);

            } catch( e ) { }
        } else {
        	return;
        }

        // if result is positive infinity, negative infinity or a NaN, defaults to 0
        if( ! isFinite( result ) )
            result = 0;

        // allow users to modify result with their own function
        if( window["gform_calculation_result"] ) {
            result = window["gform_calculation_result"](result, formulaField, formId, calcObj);
            if( window.console )
                console.log( '"gform_calculation_result" function is deprecated since version 1.8! Use "gform_calculation_result" JS hook instead.' );
        }

        // allow users to modify result with their own function
        result = gform.applyFilters( 'gform_calculation_result', result, formulaField, formId, calcObj );

        // allow result to be custom formatted
        var formattedResult = gform.applyFilters( 'gform_calculation_format_result', false, result, formulaField, formId, calcObj );

        var numberFormat = gf_get_field_number_format(formulaField.field_id, formId);

        //formatting number
        if( formattedResult !== false) {
            result = formattedResult;
        }
        else if( field.hasClass( 'gfield_price' ) || numberFormat == "currency") {

            result = gformFormatMoney(result ? result : 0, true);
        }
        else {

            var decimalSeparator = ".";
            var thousandSeparator = ",";

            if(numberFormat == "decimal_comma"){
                decimalSeparator = ",";
                thousandSeparator = ".";
            }

            result = gformFormatNumber(result, !gformIsNumber(formulaField.rounding) ? -1 : formulaField.rounding, decimalSeparator, thousandSeparator);
        }

        //If value doesn't change, abort.
        //This is needed to prevent an infinite loop condition with conditional logic
        if( result == previous_val )
            return;

        // if this is a calculation product, handle differently
        if(field.hasClass('gfield_price')) {
            jQuery('#input_' + formId + '_' + formulaField.field_id).text(result);
            formulaInput.val(result).trigger('change');

            // Announce the price change of the product only if there's no Total field.
            if ( jQuery( '.gfield_label_product' ).length && ! jQuery( '.ginput_total' ).length ) {
                result = jQuery( 'label[ for=input_' + formId + '_' + formulaField.field_id + '_1 ]' ).find( '.gfield_label_product' ).text() + ' ' + result;
                wp.a11y.speak( result );
            }

            gformCalculateTotalPrice(formId);
        } else {
            formulaInput.val(result).trigger('change');
        }

    };

    this.runCalcs = function( formId, formulaFields ) {
	    for(var i=0; i<formulaFields.length; i++) {
		    var formulaField = jQuery.extend({}, formulaFields[i]);
		    this.runCalc( formulaField, formId );
	    }
    }

    this.bindCalcEvents = function(formulaField, formId) {

        var calcObj = this;
        var formulaFieldId = formulaField.field_id;
        var matches = GFMergeTag.parseMergeTags( formulaField.formula );

        calcObj.isCalculating[formulaFieldId] = false;

        for(var i in matches) {

            if(! matches.hasOwnProperty(i))
                continue;

            var inputId = matches[i][1];
            var fieldId = parseInt(inputId,10);
            var input = jQuery('#field_' + formId + '_' + fieldId).find('input[name="input_' + inputId + '"], select[name="input_' + inputId + '"]');

            if(input.prop('type') == 'checkbox' || input.prop('type') == 'radio') {
                jQuery(input).click(function(){
                    calcObj.bindCalcEvent(inputId, formulaField, formId, 0);
                });
            } else
            if(input.is('select') || input.prop('type') == 'hidden') {
                jQuery(input).change(function(){
                    calcObj.bindCalcEvent(inputId, formulaField, formId, 0);
                });
            } else {
                jQuery(input).keydown(function(){
                    calcObj.bindCalcEvent(inputId, formulaField, formId);
                }).change(function(){
                    calcObj.bindCalcEvent(inputId, formulaField, formId, 0);
                });
            }

            // allow users to add custom methods for triggering calculations
            gform.doAction( 'gform_post_calculation_events', matches[i], formulaField, formId, calcObj );

        }

    }

    this.bindCalcEvent = function(inputId, formulaField, formId, delay) {

        var calcObj = this;
        var formulaFieldId = formulaField.field_id;

        delay = delay == undefined ? 345 : delay;

        if(calcObj.isCalculating[formulaFieldId][inputId])
            clearTimeout(calcObj.isCalculating[formulaFieldId][inputId]);

        calcObj.isCalculating[formulaFieldId][inputId] = window.setTimeout(function() {
            calcObj.runCalc(formulaField, formId);
        }, delay);

    }

    this.replaceFieldTags = function( formId, expr, formulaField ) {

        var matches = GFMergeTag.parseMergeTags( expr );

        for(i in matches) {

            if(! matches.hasOwnProperty(i))
                continue;

            var inputId = matches[i][1];
            var fieldId = parseInt(inputId,10);

            if ( fieldId == formulaField.field_id && fieldId == inputId ) {
            	continue;
            }

            var modifier = 'value';
			if( matches[i][3] ){
				modifier = matches[i][3];
			}
			else {
				var is_product_radio =  jQuery('.gfield_price input[name=input_' + fieldId + ']').is('input[type=radio]');
                var is_product_dropdown = jQuery('.gfield_price select[name=input_' + fieldId + ']').length > 0;
                var is_option_checkbox = jQuery('.gfield_price input[name="input_' + inputId + '"]').is('input[type=checkbox]');

                if( is_product_dropdown || is_product_radio || is_option_checkbox ) {
					modifier = 'price';
				}
			}

			var isVisible = window['gf_check_field_rule'] ? gf_check_field_rule( formId, fieldId, true, '' ) == 'show' : true;

			var value = isVisible ? GFMergeTag.getMergeTagValue( formId, inputId, modifier ) : 0;

            // allow users to modify value with their own function
            value = gform.applyFilters( 'gform_merge_tag_value_pre_calculation', value, matches[i], isVisible, formulaField, formId );

            value = this.cleanNumber( value, formId, fieldId, formulaField );

            expr = expr.replace( matches[i][0], value );
        }

        return expr;
    }

	this.cleanNumber = function ( value, formId, fieldId, formulaField ) {

		var numberFormat = gf_get_field_number_format( fieldId, formId );

		if( ! numberFormat ) {
			numberFormat = gf_get_field_number_format(formulaField.field_id, formId);
		}

		var decimalSeparator = gformGetDecimalSeparator(numberFormat);

		value = gformCleanNumber( value, '', '', decimalSeparator );
		if( ! value )
			value = 0;

		return value;
	}

    this.init(formId, formulaFields);


}

function gformFormatNumber(number, rounding, decimalSeparator, thousandSeparator){

    if(typeof decimalSeparator == "undefined"){
        if(window['gf_global']){
            var currency = new Currency(gf_global.gf_currency_config);
            decimalSeparator = currency.currency["decimal_separator"];
        }
        else{
            decimalSeparator = ".";
        }
    }

    if(typeof thousandSeparator == "undefined"){
        if(window['gf_global']){
            var currency = new Currency(gf_global.gf_currency_config);
            thousandSeparator = currency.currency["thousand_separator"];
        }
        else{
            thousandSeparator = ",";
        }
    }

    var currency = new Currency();
    return currency.numberFormat(number, rounding, decimalSeparator, thousandSeparator, false)
}

/**
 * @deprecated. Use GFMergeTags.parseMergeTag() instead
 */
function getMatchGroups(expr, patt) {

    var matches = new Array();

    while(patt.test(expr)) {

        var i = matches.length;
        matches[i] = patt.exec(expr)
        expr = expr.replace('' + matches[i][0], '');

    }

    return matches;
}

function gf_get_field_number_format(fieldId, formId, context) {

    var fieldNumberFormats = rgars(window, 'gf_global/number_formats/{0}/{1}'.gformFormat(formId, fieldId)),
        format = false;

    if (fieldNumberFormats === '') {
        return format;
    }

    if (typeof context == 'undefined') {
        format = fieldNumberFormats.price !== false ? fieldNumberFormats.price : fieldNumberFormats.value;
    } else {
        format = fieldNumberFormats[context];
    }

    return format;
}

//----------------------------------------
//------ reCAPTCHA FUNCTIONS -------------
//----------------------------------------

gform.recaptcha = {
	/**
	 * Callback function on the reCAPTCAH API script.
	 *
	 * @see GF_Field_CAPTCHA::get_field_input() in /includes/fields/class-gf-field-catpcha.php
	 */
	renderRecaptcha: function() {
		jQuery( '.ginput_recaptcha:not(.gform-initialized)' ).each( function() {
			var $elem      = jQuery( this ),
				parameters = {
					'sitekey':  $elem.data( 'sitekey' ),
					'theme':    $elem.data( 'theme' ),
					'tabindex': $elem.data( 'tabindex' )
				};

			if ( $elem.data( 'stoken' ) ) {
				parameters.stoken = $elem.data( 'stoken' );
			}

			var callback = false;

			if ( $elem.data( 'size' ) == 'invisible' ) {
				callback = function( token ) {
					if ( token ) {
						$elem.closest('form').submit();
					}
				}
			}

			/**
			 * Allows a custom callback function to be executed when the user successfully submits the captcha.
			 *
			 * @since 2.4.x     The callback will be a function if reCAPTCHA v2 Invisible is used.
			 * @since 2.2.5.20
			 *
			 * @param string|false|object   The name of the callback function or the function object itself to be executed when the user successfully submits the captcha.
			 * @param object       $elem    The jQuery object containing the div element with the ginput_recaptcha class for the current reCaptcha field.
			 */
			callback = gform.applyFilters( 'gform_recaptcha_callback', callback, $elem );
			if ( callback ) {
				parameters.callback = callback;
			}

			$elem.data( 'widget-id', grecaptcha.render( this.id, parameters ) );

			if ( parameters.tabindex ) {
				$elem.find( 'iframe' ).attr( 'tabindex', parameters.tabindex );
			}

			$elem.addClass( 'gform-initialized' );

			gform.doAction( 'gform_post_recaptcha_render', $elem );


		} );
	},

	/**
	 * Helper function to determine whether a recaptcha is pending.
	 *
	 * @since 2.4.23
	 *
	 * @param {Object} form jQuery form object.
	 * @returns {boolean}
	 */

	gformIsRecaptchaPending: function( form ) {
		var recaptcha = form.find( '.ginput_recaptcha' ),
			recaptchaResponse;

		if ( !recaptcha.length || recaptcha.data( 'size' ) !== 'invisible' ) {
			return false;
		}

		recaptchaResponse = recaptcha.find( '.g-recaptcha-response' );

		return !( recaptchaResponse.length && recaptchaResponse.val() );
	},

	/**
	 * @function gform.recaptcha.needsRender
	 * @description Is there an non rendered Recaptcha field on the page?
	 *
	 * @since 2.5.6
	 */

	needsRender: function() {
		return document.querySelectorAll( '.ginput_recaptcha:not(.gform-initialized)' )[ 0 ];
	},

	/**
	 * @function gform.recaptcha.renderOnRecaptchaLoaded
	 * @description Render recaptcha fields once the library is available, only if non rendered elements are present.
	 *
	 * @since 2.5.6
	 */

	renderOnRecaptchaLoaded: function() {
		// if nothing to render, exit
		if ( ! gform.recaptcha.needsRender() ) {
			return;
		}
		var gfRecaptchaPoller = setInterval( function() {
			if ( ! window.grecaptcha || ! window.grecaptcha.render ) {
				return;
			}
			this.renderRecaptcha();
			clearInterval( gfRecaptchaPoller );
		}, 100 );
	}
};

gform.initializeOnLoaded( gform.recaptcha.renderOnRecaptchaLoaded );
jQuery( document ).on( 'gform_post_render', gform.recaptcha.renderOnRecaptchaLoaded );

window.renderRecaptcha = gform.recaptcha.renderRecaptcha;
window.gformIsRecaptchaPending = gform.recaptcha.gformIsRecaptchaPending;


//----------------------------------------
//----- SINGLE FILE UPLOAD FUNCTIONS -----
//----------------------------------------

function gformValidateFileSize( field, max_file_size ) {
	var validation_element;

	// Get validation message element.
	if ( jQuery( field ).closest( 'div' ).siblings( '.validation_message' ).length > 0 ) {
		validation_element = jQuery( field ).closest( 'div' ).siblings( '.validation_message' );
	} else {
		validation_element = jQuery( field ).siblings( '.validation_message' );
	}

	// If file API is not supported within browser, return.
	if ( ! window.FileReader || ! window.File || ! window.FileList || ! window.Blob ) {
		return;
	}

	// Get selected file.
	var file = field.files[0];

	// If selected file is larger than maximum file size, set validation message and unset file selection.
	if ( file && file.size > max_file_size ) {

		// Set validation message.
		validation_element.text(file.name + " - " + gform_gravityforms.strings.file_exceeds_limit);
		// Announce error.
		wp.a11y.speak( file.name + " - " + gform_gravityforms.strings.file_exceeds_limit );

    } else {

		// Reset validation message.
		validation_element.remove();

	}

}

//----------------------------------------
//------ MULTIFILE UPLOAD FUNCTIONS ------
//----------------------------------------

(function (gfMultiFileUploader, $) {
    gfMultiFileUploader.uploaders = {};
    var strings = typeof gform_gravityforms != 'undefined' ? gform_gravityforms.strings : {};
    var imagesUrl = typeof gform_gravityforms != 'undefined' ? gform_gravityforms.vars.images_url : "";


	$(document).on('gform_post_render', function(e, formID){

		$("form#gform_" + formID + " .gform_fileupload_multifile").each(function(){
			setup(this);
		});
		var $form = $("form#gform_" + formID);
		if($form.length > 0){
			$form.on( 'submit', function(){
				var pendingUploads = false;
				$.each(gfMultiFileUploader.uploaders, function(i, uploader){
					if(uploader.total.queued>0){
						pendingUploads = true;
						return false;
					}
				});
				if(pendingUploads){
					alert(strings.currently_uploading);
					window["gf_submitting_" + formID] = false;
					$('#gform_ajax_spinner_' + formID).remove();
					return false;
				}
			});
		}

	});

	$(document).on("gform_post_conditional_logic", function(e,formID, fields, isInit){
		if(!isInit){
			$.each(gfMultiFileUploader.uploaders, function(i, uploader){
				uploader.refresh();
			});
		}
	});

    $(document).ready(function () {
        if((typeof adminpage !== 'undefined' && adminpage === 'toplevel_page_gf_edit_forms')|| typeof plupload == 'undefined'){
            $(".gform_button_select_files").prop("disabled", true);
        } else if (typeof adminpage !== 'undefined' && adminpage.indexOf('_page_gf_entries') > -1) {
            $(".gform_fileupload_multifile").each(function(){
                setup(this);
            });
        }
    });

    gfMultiFileUploader.setup = function (uploadElement){
        setup( uploadElement );
    };

    function setup(uploadElement){
        var settings = $(uploadElement).data('settings');

        var uploader = new plupload.Uploader(settings);
        formID = uploader.settings.multipart_params.form_id;
        gfMultiFileUploader.uploaders[settings.container] = uploader;
        var formID;
        var uniqueID;

	    uploader.bind( 'Init', function( up, params ) {
		    if ( ! up.features.dragdrop ) {
			    $( ".gform_drop_instructions" ).hide();
		    }

		    setFieldAccessibility( up.settings.container );
		    toggleLimitReached( up.settings );
	    } );

	    gfMultiFileUploader.toggleDisabled = function (settings, disabled){

            var button = typeof settings.browse_button == "string" ? $("#" + settings.browse_button) : $(settings.browse_button);
            button.prop("disabled", disabled);
        };

	    /**
	     * @function setFieldAccessibility
	     * @description Patches accessibility issues with the plupload multi file container.
	     *
	     * @since 2.5.1
	     *
	     * @param {Node} container The generated plupload container.
	     */

	    function setFieldAccessibility( container ) {
		    var input = container.querySelectorAll( 'input[type="file"]' )[ 0 ];
		    var button = container.querySelectorAll( '.gform_button_select_files' )[ 0 ];
		    var label = $( uploadElement ).closest( '.gfield' ).find( '.gfield_label' )[ 0 ];
		    if ( ! input || ! label || ! button ) {
			    return;
		    }

		    label.setAttribute( 'for', input.id );
		    button.setAttribute( 'aria-label', button.innerText.toLowerCase() + ', ' + label.innerText.toLowerCase() );
		    input.setAttribute( 'tabindex', '-1' );
		    input.setAttribute( 'aria-hidden', 'true' );
	    }

		function addMessage( messagesID, message) {
			$( "#" + messagesID ).prepend( "<li class='gfield_description gfield_validation_message'>" + htmlEncode( message ) + "</li>" );
			// Announce errors.
			setTimeout(function () {
				wp.a11y.speak( $( "#" + messagesID ).text() );
			}, 1000 );
		}

	    function removeMessage(messagesID, message) {
		    $("#" + messagesID + " li:contains('" + message + "')").remove();
	    }

	    function toggleLimitReached(settings) {
		    var limit = parseInt(settings.gf_vars.max_files, 10);
		    if (limit > 0) {
			    var totalCount = countFiles(settings.multipart_params.field_id),
				    limitReached = totalCount >= limit;

			    gfMultiFileUploader.toggleDisabled(settings, limitReached);
			    if (!limitReached) {
				    removeMessage(settings.gf_vars.message_id, strings.max_reached);
			    }
		    }
	    }

        uploader.init();

		uploader.bind('BeforeUpload', function(up, file){
			up.settings.multipart_params.original_filename = file.name;
		});

        uploader.bind('FilesAdded', function(up, files) {
            var max = parseInt(up.settings.gf_vars.max_files,10),
                fieldID = up.settings.multipart_params.field_id,
                totalCount = countFiles(fieldID),
                disallowed = up.settings.gf_vars.disallowed_extensions,
                extension;

            if( max > 0 && totalCount >= max){
                $.each(files, function(i, file) {
                    up.removeFile(file);
                    return;
                });
                return;
            }
            $.each(files, function(i, file) {

                extension = file.name.split('.').pop();

                if($.inArray(extension, disallowed) > -1){
                    addMessage(up.settings.gf_vars.message_id, file.name + " - " + strings.illegal_extension);
                    up.removeFile(file);
                    return;
                }

                if ((file.status == plupload.FAILED) || (max > 0 && totalCount >= max)){
                    up.removeFile(file);
                    return;
                }

                var size         = typeof file.size !== 'undefined' ? plupload.formatSize(file.size) : strings.in_progress,
                    removeFileJs = '$this=jQuery(this); var uploader = gfMultiFileUploader.uploaders.' + up.settings.container.id + ';uploader.stop();uploader.removeFile(uploader.getFile(\'' + file.id +'\'));$this.after(\'' + strings.cancelled + '\'); uploader.start();$this.remove();',
                    statusMarkup = '<div id="{0}" class="ginput_preview"><span class="gfield_fileupload_filename">{1}</span><span class="gfield_fileupload_filesize">{2}</span><span class="gfield_fileupload_progress"><span class="gfield_fileupload_progressbar"><span class="gfield_fileupload_progressbar_progress"></span></span><span class="gfield_fileupload_percent"></span></span><a class="gfield_fileupload_cancel gform-theme-button gform-theme-button--simple" href="javascript:void(0)" title="{3}" onclick="{4}" onkeypress="{4}">{5}</a>';

                /**
                 *  Filer the file upload markup as it is being uploaded.
                 *
                 *  @param {string}            statusMarkup Markup template used to render the status of the file being uploaded.
                 *  @param {plupload.File}     file         Instance of File being uploaded. See: https://www.plupload.com/docs/v2/File.
                 *  @param {int|string}        size         File size.
                 *  @param {object}            strings      Array of localized strings relating to the file upload UI.
                 *  @param {string}            removeFileJs JS used to remove the file when the "Cancel" link is click/pressed.
                 *  @param {plupload.Uploader} up           Instance of Uploader responsible for uploading current file. See: https://www.plupload.com/docs/v2/Uploader.
                 */
                statusMarkup = gform.applyFilters( 'gform_file_upload_status_markup', statusMarkup, file, size, strings, removeFileJs, up )
	                .gformFormat( file.id, htmlEncode( file.name ), size, strings.cancel_upload, removeFileJs, strings.cancel );

                $( '#' + up.settings.filelist ).prepend( statusMarkup );

                totalCount++;

            });

            up.refresh(); // Reposition Flash

            var formElementID = "form#gform_" + formID;
            var uidElementID = "input:hidden[name='gform_unique_id']";
            var uidSelector = formElementID + " " + uidElementID;
            var $uid = $(uidSelector);
            if($uid.length==0){
                $uid = $(uidElementID);
            }

            uniqueID = $uid.val();
            if('' === uniqueID){
                uniqueID = generateUniqueID();
                $uid.val(uniqueID);
            }


            if(max > 0 && totalCount >= max){
                gfMultiFileUploader.toggleDisabled(up.settings, true);
                addMessage(up.settings.gf_vars.message_id, strings.max_reached)
            }


            up.settings.multipart_params.gform_unique_id = uniqueID;
            up.start();

        });

        uploader.bind('UploadProgress', function(up, file) {
            var html = file.percent + "%";
            $('#' + file.id + ' span.gfield_fileupload_percent').html(html);
			$('#' + file.id + ' span.gfield_fileupload_progressbar_progress').css('width', file.percent + '%');
        });

        uploader.bind('Error', function(up, err) {
            if(err.code === plupload.FILE_EXTENSION_ERROR){
                var extensions = typeof up.settings.filters.mime_types != 'undefined' ? up.settings.filters.mime_types[0].extensions /* plupoad 2 */ : up.settings.filters[0].extensions;
                addMessage(up.settings.gf_vars.message_id, err.file.name + " - " + strings.invalid_file_extension + " " + extensions);
            } else if (err.code === plupload.FILE_SIZE_ERROR) {
                addMessage(up.settings.gf_vars.message_id, err.file.name + " - " + strings.file_exceeds_limit);
            } else {
                var m = "Error: " + err.code +
                    ", Message: " + err.message +
                    (err.file ? ", File: " + err.file.name : "");

                addMessage(up.settings.gf_vars.message_id, m);
            }
            $('#' + err.file.id ).html('');

            up.refresh(); // Reposition Flash
        });

		uploader.bind('ChunkUploaded', function(up, file, result) {
			var response = $.secureEvalJSON(result.response);
			if(response.status == "error"){
				up.removeFile(file);
				addMessage(up.settings.gf_vars.message_id, file.name + " - " + response.error.message);
				$('#' + file.id ).html('');
			} else {
				up.settings.multipart_params[file.target_name] = response.data;
			}
		});

		uploader.bind('FileUploaded', function(up, file, result) {
			if (!up.getFile(file.id)) {
				// The file has been removed from the queue.
				return;
			}

			var response = $.secureEvalJSON(result.response);
			if (response.status == "error") {
				addMessage(up.settings.gf_vars.message_id, file.name + " - " + response.error.message);
				$('#' + file.id).html('');
				toggleLimitReached(up.settings);
				return;
			}

			var uploadedName = rgars(response, 'data/uploaded_filename');
			var html = '<span class="gfield_fileupload_filename">' + htmlEncode(uploadedName) + '</span><span class="gfield_fileupload_filesize">' + plupload.formatSize(file.size) + '</span>';
			html += '<span class="gfield_fileupload_progress gfield_fileupload_progress_complete"><span class="gfield_fileupload_progressbar"><span class="gfield_fileupload_progressbar_progress"></span></span><span class="gfield_fileupload_percent">' + file.percent + '%</span></span>';
			var formId = up.settings.multipart_params.form_id;
			var fieldId = up.settings.multipart_params.field_id;

			if (typeof gf_legacy !== 'undefined' && gf_legacy.is_legacy) {
				html = "<img "
					+ "class='gform_delete' "
					+ "src='" + imagesUrl + "/delete.png' "
					+ "onclick='gformDeleteUploadedFile(" + formId + "," + fieldId + ", this);' "
					+ "onkeypress='gformDeleteUploadedFile(" + formId + "," + fieldId + ", this);' "
					+ "alt='" + strings.delete_file + "' "
					+ "title='" + strings.delete_file
					+ "' /> "
					+ html;
			} else {
				html = html + "<button class='gform_delete_file gform-theme-button gform-theme-button--simple' onclick='gformDeleteUploadedFile(" + formId + "," + fieldId + ", this);'><span class='dashicons dashicons-trash' aria-hidden='true'></span><span class='screen-reader-text'>" + strings.delete_file + ': ' + htmlEncode(uploadedName) + "</span></button>";
			}

			/**
			 * Allows the markup for the file to be overridden.
			 *
			 * @since 1.9
			 * @since 2.4.23 Added the response param.
			 *
			 * @param {string} html      The HTML for the file name and delete button.
			 * @param {object} file      The file upload properties. See: https://www.plupload.com/docs/v2/File.
			 * @param {object} up        The uploader properties. See: https://www.plupload.com/docs/v2/Uploader.
			 * @param {object} strings   Localized strings relating to file uploads.
			 * @param {string} imagesURL The base URL to the Gravity Forms images directory.
			 * @param {object} response  The response from GFAsyncUpload.
			 */
			html = gform.applyFilters('gform_file_upload_markup', html, file, up, strings, imagesUrl, response);

			$('#' + file.id).html(html);
			$('#' + file.id + ' span.gfield_fileupload_progressbar_progress').css('width', file.percent + '%');

			if (file.percent == 100) {
				if (response.status && response.status == 'ok') {
					addFile(fieldId, response.data);
				} else {
					addMessage(up.settings.gf_vars.message_id, strings.unknown_error + ': ' + file.name);
				}
			}

		});

		uploader.bind('FilesRemoved', function (up, files) {
			toggleLimitReached(up.settings);
		});

		function getAllFiles(){
			var selector = '#gform_uploaded_files_' + formID,
				$uploadedFiles = $(selector), files;

			files = $uploadedFiles.val();
			files = (typeof files === "undefined") || files === '' ? {} : $.parseJSON(files);

			return files;
		}

        function getFiles(fieldID){
            var allFiles = getAllFiles();
            var inputName = getInputName(fieldID);

            if(typeof allFiles[inputName] == 'undefined')
                allFiles[inputName] = [];
            return allFiles[inputName];
        }

        function countFiles(fieldID){
            var files = getFiles(fieldID);
            return files.length;
        }

        function addFile(fieldID, fileInfo){

            var files = getFiles(fieldID);

            files.unshift(fileInfo);
            setUploadedFiles(fieldID, files);
        }

        function setUploadedFiles(fieldID, files){
            var allFiles = getAllFiles();
            var $uploadedFiles = $('#gform_uploaded_files_' + formID);
            var inputName = getInputName(fieldID);
            allFiles[inputName] = files;
            $uploadedFiles.val($.toJSON(allFiles));
        }

        function getInputName(fieldID){
            return "input_" + fieldID;
        }

        // fixes drag and drop in IE10
        $("#" + settings.drop_element).on({
            "dragenter": ignoreDrag,
            "dragover": ignoreDrag
        });

        function ignoreDrag( e ) {
            e.preventDefault();
        }
    }


    function generateUniqueID() {
        return 'xxxxxxxx'.replace(/[xy]/g, function (c) {
            var r = Math.random() * 16 | 0, v = c == 'x' ? r : r & 0x3 | 0x8;
            return v.toString(16);
        });
    }

	function htmlEncode(value){
		return $('<div/>').text(value).html();
	}

}(window.gfMultiFileUploader = window.gfMultiFileUploader || {}, jQuery));


//----------------------------------------
//------ GENERAL FUNCTIONS -------
//----------------------------------------

function gformInitSpinner(formId, spinnerUrl, isLegacy = true) {

	var spinnerCheck = gform.applyFilters('gform_spinner_url', spinnerUrl, formId);

	if ( spinnerCheck != spinnerUrl ) {
		isLegacy = true;
	}

	jQuery('#gform_' + formId).on( 'submit', function () {
		if ( isLegacy ) {
			gformAddSpinner(formId, spinnerUrl);
			return;
		}

		var $spinnerTarget = gform.applyFilters('gform_spinner_target_elem', jQuery('#gform_submit_button_' + formId + ', #gform_wrapper_' + formId + ' .gform_next_button, #gform_send_resume_link_button_' + formId), formId);

		gformInitializeSpinner(formId, $spinnerTarget);
	});

}

/**
 * @description Initializes the theme-framework-based spinner after the provided target.
 *
 * @since 2.7
 *
 * @param {int}    formId The ID of the form within which to initialize the spinner.
 * @param {object} target The target element after which to inject the spinner.
 * @param {string} uniqId A unique ID to use for the spinner - used when removing the spinner.
 *
 * @return void
 */
function gformInitializeSpinner( formId, target, uniqId = 'gform-ajax-spinner' ) {
	if (jQuery('#gform_ajax_spinner_' + formId).length == 0) {
		var loaderHTML = '<span data-js-spinner-id="' + uniqId + '" id="gform_ajax_spinner_' + formId + '" class="gform-loader"></span>';
		var $spinnerTarget = target instanceof jQuery ? target : jQuery( target );
		$spinnerTarget.after( loaderHTML );
	}
}

/**
 * @description Removes an existing theme-framework-based spinner.
 *
 * @since 2.7
 *
 * @param {string} uniqId A unique ID to use for the spinner - used when removing the spinner.
 *
 * @return void
 */
function gformRemoveSpinner( uniqId = 'gform-ajax-spinner' ) {
	var spinner = document.querySelector( '[data-js-spinner-id="' + uniqId + '"]' );

	if ( ! spinner ) {
		return;
	}

	spinner.remove();
}

function gformAddSpinner(formId, spinnerUrl) {

	if (typeof spinnerUrl == 'undefined' || !spinnerUrl) {
		spinnerUrl = gform.applyFilters('gform_spinner_url', gf_global.spinnerUrl, formId);
	}

	if (jQuery('#gform_ajax_spinner_' + formId).length == 0) {
		/**
		 * Filter the element after which the AJAX spinner will be inserted.
		 *
		 * @since 2.0
		 *
		 * @param object $targetElem jQuery object containing all of the elements after which the AJAX spinner will be inserted.
		 * @param int    formId      ID of the current form.
		 */
		var $spinnerTarget = gform.applyFilters('gform_spinner_target_elem', jQuery('#gform_submit_button_' + formId + ', #gform_wrapper_' + formId + ' .gform_next_button, #gform_send_resume_link_button_' + formId), formId);
		$spinnerTarget.after('<img id="gform_ajax_spinner_' + formId + '"  class="gform_ajax_spinner" src="' + spinnerUrl + '" alt="" />');
	}

}

//----------------------------------------
//------ TINYMCE FUNCTIONS ---------------
//----------------------------------------

/**
 * @function gformReInitTinymceInstance
 * @description Reinitializes a tinymce instance bound to a gform field if found.
 *
 * @since 2.5
 *
 * @param formId {int} Required. The form id.
 * @param fieldId {int} Required. The field id.
 */

function gformReInitTinymceInstance( formId, fieldId ) {
    // check for required arguments
    if ( ! formId || ! fieldId ) {
        gform.console.error( 'gformReInitTinymceInstance requires a form and field id.' );
        return;
    }
    // make sure we have tinymce
    var tinymce = window.tinymce;
    if ( ! tinymce ) {
        gform.console.error( 'gformReInitTinymceInstance requires tinymce to be available.' );
        return;
    }
    // get the editor instance by form and field id and bail if not found
    var editor = tinymce.get( 'input_' + formId + '_' + fieldId );
    if ( ! editor ) {
        gform.console.error( 'gformReInitTinymceInstance did not find an instance for input_' + formId + '_' + fieldId + '.' );
        return;
    }
    // get the settings, destroy the instance and reinitialize
    var settings = jQuery.extend( {}, editor.settings );
    editor.remove();
    tinymce.init( settings );
    gform.console.log( 'gformReInitTinymceInstance reinitialized TinyMCE on input_' + formId + '_' + fieldId + '.' );
}

//----------------------------------------
//------ EVENT FUNCTIONS -----------------
//----------------------------------------

var __gf_keyup_timeout;

jQuery( document ).on( 'change keyup', '.gfield input, .gfield select, .gfield textarea', function( event ) {
    gf_raw_input_change( event, this );
} );

function gf_raw_input_change( event, elem ) {

    // clear regardless of event type for maximum efficiency ;)
    clearTimeout( __gf_keyup_timeout );

    var $input    = jQuery( elem ),
        htmlId    = $input.attr( 'id' ),
        fieldId   = gf_get_input_id_by_html_id( htmlId ),
        formId    = gf_get_form_id_by_html_id( htmlId ),
	    /**
	     * Filter the field meta generated by a raw input change.
	     *
	     * @since 2.4.1
	     *
	     * @param object fieldMeta An object containing the field ID and form ID of the triggering Gravity Forms field.
	     * @param object $input    The jQuery object for the triggering field element.
	     * @param object event     The raw JS event.
	     */
        fieldMeta = gform.applyFilters( 'gform_field_meta_raw_input_change', { fieldId: fieldId, formId: formId }, $input, event );

    fieldId = fieldMeta.fieldId;
    formId = fieldMeta.formId;

    if( ! fieldId ) {
        return;
    }

    var isChangeElem = $input.is( ':checkbox' ) || $input.is( ':radio' ) || $input.is( 'select' ),
        isKeyupElem  = ! isChangeElem || $input.is( 'textarea' );

    if( event.type == 'keyup' && ! isKeyupElem ) {
        return;
    } else if( event.type == 'change' && ! isChangeElem && ! isKeyupElem ) {
        return;
    }

    if( event.type == 'keyup' ) {
        __gf_keyup_timeout = setTimeout( function() {
            gf_input_change( elem, formId, fieldId );
        }, 300 );
    } else {
        gf_input_change( elem, formId, fieldId );
    }

}

/**
 * Get the input id from a form element's HTML id.
 *
 * @param {string} htmlId The HTML id of a form element.
 *
 * @returns {string} inputId The input id.
 */
function gf_get_input_id_by_html_id( htmlId ) {

    var ids = gf_get_ids_by_html_id( htmlId ),
        id  = ids[ ids.length - 1 ];

    if ( ids.length == 3 ) {
        ids.shift();
        id = ids.join( '.' );
    }

    return id;
}

/**
 * Get the form id from a form element's HTML id.
 *
 * @param {string} htmlId The HTML id of a form element.
 *
 * @returns {string} formId The form id.
 */
function gf_get_form_id_by_html_id( htmlId ) {
    var ids = gf_get_ids_by_html_id( htmlId );
    return ids[0];
}

/**
 * Get the form, field, and input id by a form elements HTML id.
 *
 * Note: Only multi-input fields will be return an input ID.
 *
 * @param {string} htmlId The HTML id of a form element.
 *
 * @returns {array} ids An array contain the form, field and input id.
 */
function gf_get_ids_by_html_id( htmlId ) {
    var ids = htmlId ? htmlId.split( '_' ) : [];
    for( var i = ids.length - 1; i >= 0; i-- ) {
        if ( ! gformIsNumber( ids[ i ] ) ) {
            ids.splice( i, 1 );
        }
    }
    return ids;
}

function gf_input_change( elem, formId, fieldId ) {
    gform.doAction( 'gform_input_change', elem, formId, fieldId );
}

function gformExtractFieldId( inputId ) {
    var fieldId = parseInt( inputId.toString().split( '.' )[0],10 );
    return ! fieldId ? inputId : fieldId;
}

function gformExtractInputIndex( inputId ) {
    var inputIndex = parseInt( inputId.toString().split( '.' )[1],10 );
    return ! inputIndex ? false : inputIndex;
}

jQuery( document ).on( 'submit.gravityforms', '.gform_wrapper form', function( event ) {

	var formWrapper = jQuery( this ).closest( '.gform_wrapper' ),
		formID = formWrapper.attr( 'id' ).split( '_' )[ 2 ],
		hasPages = formWrapper.find( '.gform_page' ).length > 0,
		sourcePage = parseInt( formWrapper.find( 'input[name^="gform_source_page_number_"]' ).val(), 10 ),
		targetPage = parseInt( formWrapper.find( 'input[name^="gform_target_page_number_"]' ).val(), 10 ),
		isSubmit = targetPage === 0,
		isNextSubmit = ! isSubmit && ( targetPage > sourcePage ),
		isSave = jQuery( '#gform_save_' + formID ).val() === '1',
		submitButton;

	// Get the next or submit button.
	if ( hasPages ) {
		// Get the visible page.
		var visiblePage = formWrapper.find( '.gform_page:visible' ),
			buttonType = isNextSubmit ? 'next' : 'submit';

		submitButton = visiblePage.find( '.gform_page_footer [id^="gform_' + buttonType + '_button_"]' );
	} else {
		submitButton = formWrapper.find( '#gform_submit_button_' + formID );
	}

	if ( isSave ) {
		wp.a11y.speak( window.gf_global.strings.formSaved );
	}

	var isButtonHidden = ! submitButton.is(':visible'),
        isButtonDisabled = submitButton.is( ':disabled' ),
		abortSubmission = ! isSave && ( isSubmit || isNextSubmit ) && ( isButtonHidden || isButtonDisabled );

	// If we are not saving or returning to an earlier page and the next/submit button is hidden abort the submission.
	if ( abortSubmission ) {
		window[ 'gf_submitting_' + formID ] = false;
		formWrapper.find( '.gform_ajax_spinner' ).remove();
		event.preventDefault();
	} else if ( isSubmit || isSubmit ) {
        var $reCaptcha = formWrapper.find( '.ginput_recaptcha' );

        if ( $reCaptcha.length !== 0 && $reCaptcha.data( 'size' ) === 'invisible' ) {
            // Check for the verified invisible captcha token first.
            var $reCaptchaResponse = formWrapper.find( 'input[name="g-recaptcha-response"]' );
            if ( $reCaptchaResponse.length === 0 ) {
                $reCaptchaResponse = $reCaptcha.find( '.g-recaptcha-response' );
            }
            var token = $reCaptchaResponse.val();
            if ( ! token ) {
                // Execute the invisible captcha.
                grecaptcha.execute($reCaptcha.data('widget-id'));

                // Once the reCaptcha is triggered, set gf_submitting to false, so the form could be submitted if the
                // reCaptcha modal is closed (by clicking on the area out of the modal or the reCaptcha response expires)
  				// do it after 4 seconds to reduce chance of multiple clicks when modal is not displayed
                setTimeout( function() {
                	window['gf_submitting_' + formID] = false;
                }, 4000);

                event.preventDefault();
            }
        }
	}
});



//----------------------------------------
//------ HELPER FUNCTIONS ----------------
//----------------------------------------

if( ! window['rgars'] ) {
    function rgars( array, prop ) {

        var props = prop.split( '/' ),
            value = array;

        for( var i = 0; i < props.length; i++ ) {
            value = rgar( value, props[ i ] );
        }

        return value;
    }
}

if( ! window['rgar'] ) {
    function rgar( array, prop ) {
        if ( typeof array[ prop ] != 'undefined' ) {
            return array[ prop ];
        }
        return '';
    }
}

if ( ! String.prototype.gformFormat ) {
	String.prototype.gformFormat = function() {
		var args = arguments;
		return this.replace( /{(\d+)}/g, function( match, number ) {
			return typeof args[ number ] != 'undefined' ? args[ number ] : match;
		} );
	};
}

// deprecated. remove in 2.8
String.prototype.format = function() {
	var args = arguments;
	console.warn( 'String.format will be replaced with String.gformFormat in Gravity Forms version 2.8.' );
	return this.replace( /{(\d+)}/g, function( match, number ) {
		return typeof args[ number ] != 'undefined' ? args[ number ] : match;
	} );
};


/**
 * Toggle the dropdown submenus in the form editor menu bar.
 *
 * @since 2.5
 */
jQuery( document ).ready( function() {
	jQuery( '#gform-form-toolbar__menu' )
		.on( 'mouseenter', '> li',function() {
			jQuery( this ).find( '.gform-form-toolbar__submenu' ).toggleClass( 'open' );
			jQuery( this ).find( '.has_submenu' ).toggleClass( 'submenu-open' );
		} );
	jQuery( '#gform-form-toolbar__menu' )
		.on( 'mouseleave', '> li',function() {
			jQuery( '.gform-form-toolbar__submenu.open' ).removeClass( 'open' );
			jQuery( '.has_submenu.submenu-open' ).removeClass( 'submenu-open' );
		} );
	jQuery( '#gform-form-toolbar__menu .has_submenu' )
		.on( 'click', function( e ) {
			e.preventDefault();
		} );
} );

/**
 * Add a containing class to fields with multiple inputs that we want to display inline.
 *
 * @since 2.5
 */
jQuery( document ).ready( function() {
	var settingsFields = jQuery( '.gform-settings-field' );
	settingsFields.each( function() {
		if ( jQuery( this ).find( '> .gform-settings-input__container' ).length > 1 ) {
			jQuery( this ).addClass( 'gform-settings-field--multiple-inputs' );
		}
	} );
} );

jQuery( function() {
	gform.tools.trigger( 'gform_main_scripts_loaded' );
} );
