
/**
* Common JS functions for form settings and form editor pages.
*/

jQuery(document).ready(function($){

    gaddon.init();

    $(document).on('change', '.gfield_rule_value_dropdown', function(){
        SetRuleValueDropDown($(this));
    });

    // init merge tag auto complete
    if(typeof form != 'undefined')
        window.gfMergeTags = new gfMergeTagsObj(form);

	$(document).ready(function(){
		$(".gform_currency").bind("change", function(){
			FormatCurrency(this);
		}).each(function(){
			FormatCurrency(this);
		});
	});

});

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

function ToggleConditionalLogic(isInit, objectType){
    var speed = isInit ? "" : "slow";
    if(jQuery('#' + objectType + '_conditional_logic').is(":checked")){

        var obj = GetConditionalObject(objectType);

        CreateConditionalLogic(objectType, obj);

        //Initializing object so it has the default options set
        SetConditionalProperty(objectType, "actionType", jQuery("#" + objectType + "_action_type").val());
        SetConditionalProperty(objectType, "logicType", jQuery("#" + objectType + "_logic_type").val());
        SetRule(objectType, 0);

        jQuery('#' + objectType + '_conditional_logic_container').show(speed);
    }
    else{
        jQuery('#' + objectType + '_conditional_logic_container').hide(speed);
    }

}

function GetConditionalObject(objectType){
    var obj = false;

    switch(objectType){
    case "page":
    case "field":
        obj = GetSelectedField();
        break;

    case "next_button" :
        var field = GetSelectedField();
        obj = field["nextButton"];
        break;

    case "confirmation":
        obj = confirmation;
        break;

    case "notification":
        obj = current_notification;
        break;

    default:
        obj = typeof form != 'undefined' ? form.button : false;
        break;
    }

    obj = gform.applyFilters( 'gform_conditional_object', obj, objectType )

	return obj;
}

function CreateConditionalLogic(objectType, obj){

    if(!obj.conditionalLogic)
        obj.conditionalLogic = new ConditionalLogic();

    var hideSelected = obj.conditionalLogic.actionType == "hide" ? "selected='selected'" :"";
    var showSelected = obj.conditionalLogic.actionType == "show" ? "selected='selected'" :"";
    var allSelected = obj.conditionalLogic.logicType == "all" ? "selected='selected'" :"";
    var anySelected = obj.conditionalLogic.logicType == "any" ? "selected='selected'" :"";

    var objText;
    if(objectType == "field")
        objText = gf_vars.thisFieldIf;
    else if(objectType == "page")
        objText = gf_vars.thisPage;
    else if(objectType == "confirmation")
        objText = gf_vars.thisConfirmation
    else if(objectType == "notification")
        objText = gf_vars.thisNotification
    else
        objText = gf_vars.thisFormButton;

    var descPieces = {};
    descPieces.actionType = "<select id='" + objectType + "_action_type' onchange='SetConditionalProperty(\"" + objectType + "\", \"actionType\", jQuery(this).val());'><option value='show' " + showSelected + ">" + gf_vars.show + "</option><option value='hide' " + hideSelected + ">" + gf_vars.hide + "</option></select>";
    descPieces.objectDescription = objText;
    descPieces.logicType = "<select id='" + objectType + "_logic_type' onchange='SetConditionalProperty(\"" + objectType + "\", \"logicType\", jQuery(this).val());'><option value='all' " + allSelected + ">" + gf_vars.all + "</option><option value='any' " + anySelected + ">" + gf_vars.any + "</option></select>";
    descPieces.ofTheFollowingMatch = gf_vars.ofTheFollowingMatch;

    var descPiecesArr = makeArray( descPieces );

    var str = descPiecesArr.join(' ');
    var str = gform.applyFilters( 'gform_conditional_logic_description', str, descPieces, objectType, obj );
    var i, rule;
    for(i=0; i < obj.conditionalLogic.rules.length; i++){
        rule = obj.conditionalLogic.rules[i];

        str += "<div width='100%' class='gf_conditional_logic_rules_container'>";
        str += GetRuleFields(objectType, i, rule.fieldId);
        str += GetRuleOperators(objectType, i, rule.fieldId, rule.operator);
        str += GetRuleValues(objectType, i, rule.fieldId, rule.value);
        str += "<a class='add_field_choice' title='add another rule' onclick=\"InsertRule('" + objectType + "', " + (i+1) + ");\" ><i class='fa fa-plus-square fa-lg'></i></a>";
        if(obj.conditionalLogic.rules.length > 1 )
            str += "<a class='delete_field_choice' title='remove this rule' onclick=\"DeleteRule('" + objectType + "', " + i + ");\" ><i class='fa fa-minus-square fa-lg'></i></a></li>";

        str += "</div>";
    }

    jQuery("#" + objectType + "_conditional_logic_container").html(str);

    //initializing placeholder script
    Placeholders.enable();
}

function GetRuleOperators( objectType, i, fieldId, selectedOperator ) {
    var str, supportedOperators, operators, str, selected;
    supportedOperators = {"is":"is","isnot":"isNot", ">":"greaterThan", "<":"lessThan", "contains":"contains", "starts_with":"startsWith", "ends_with":"endsWith"};
    str = "<select id='" + objectType + "_rule_operator_" + i + "' class='gfield_rule_select' onchange='SetRuleProperty(\"" + objectType + "\", " + i + ", \"operator\", jQuery(this).val());var valueSelector=\"#" + objectType + "_rule_value_" + i + "\"; jQuery(valueSelector).replaceWith(GetRuleValues(\"" + objectType + "\", " + i + ",\"" + fieldId + "\", \"\"));jQuery(valueSelector).change();'>";
    operators = IsEntryMeta(fieldId) ? GetOperatorsForMeta(supportedOperators, fieldId) : supportedOperators;

    operators = gform.applyFilters( 'gform_conditional_logic_operators', operators, objectType, fieldId )

    jQuery.each(operators,function(operator, stringKey){
        selected = selectedOperator == operator ? "selected='selected'" : "";
        str += "<option value='" + operator + "' " + selected + ">" + gf_vars[stringKey] + "</option>"
    });
    str +="</select>";
    return str;
}

function GetOperatorsForMeta(supportedOperators, key){
    var operators = {};
    if(entry_meta[key] && entry_meta[key].filter && entry_meta[key].filter.operators ){

        jQuery.each(supportedOperators,function(operator, stringKey){
            if(jQuery.inArray(operator, entry_meta[key].filter.operators) >= 0)
                operators[operator] = stringKey;
        });
    } else {
        operators = supportedOperators;
    }
    return operators;
}

function GetRuleFields( objectType, ruleIndex, selectedFieldId ) {

    var str = "<select id='" + objectType + "_rule_field_" + ruleIndex + "' class='gfield_rule_select' onchange='jQuery(\"#" + objectType + "_rule_operator_" + ruleIndex + "\").replaceWith(GetRuleOperators(\"" + objectType + "\", " + ruleIndex + ", jQuery(this).val()));jQuery(\"#" + objectType + "_rule_value_" + ruleIndex + "\").replaceWith(GetRuleValues(\"" + objectType + "\", " + ruleIndex + ", jQuery(this).val())); SetRule(\"" + objectType + "\", " + ruleIndex + "); '>";
    var options = [];

    for( var i = 0; i < form.fields.length; i++ ) {

        if( IsConditionalLogicField( form.fields[i] ) ) {

            options.push({
                label: form.fields[i].adminLabel ? form.fields[i].adminLabel : form.fields[i].label,
                value: form.fields[i].id
            });

        }

    }

    // get entry meta fields and append to existing fields
    jQuery.merge(options, GetEntryMetaFields( selectedFieldId ) );

    options = gform.applyFilters( 'gform_conditional_logic_fields', options, form, selectedFieldId );

    // create the actual <option> strings
    for( var i = 0; i < options.length; i++ ) {

        var option = options[i];
        var selected = option.value == selectedFieldId ? "selected='selected'" : '';

        str += "<option value='" + option.value + "' " + selected + ">" + option.label + "</option>";
    }

    str += "</select>";
    return str;
}

function GetEntryMetaFields( selectedFieldId ) {

    var options = [], selected, label;

    if(typeof entry_meta == 'undefined')
        return options;

    jQuery.each( entry_meta, function( key, meta ) {

        if(typeof meta.filter == 'undefined')
            return;

       options.push( {
            label: meta.label,
            value: key,
            isSelected: selectedFieldId == key ? "selected='selected'" : ""
        } );

    });

    return options;
}

function IsConditionalLogicField(field){
    var inputType = field.inputType ? field.inputType : field.type;
    var supported_fields = ["checkbox", "radio", "select", "text", "website", "textarea", "email", "hidden", "number", "phone", "multiselect", "post_title",
                            "post_tags", "post_custom_field", "post_content", "post_excerpt"];

    var index = jQuery.inArray(inputType, supported_fields);
    var isConditionalLogicField = index >= 0 ? true : false;
	isConditionalLogicField = gform.applyFilters( 'gform_is_conditional_logic_field', isConditionalLogicField, field );
    return isConditionalLogicField;
}

function IsEntryMeta(key){

    return typeof entry_meta != 'undefined' && typeof entry_meta[key] != 'undefined';
}

function GetRuleValues(objectType, ruleIndex, selectedFieldId, selectedValue, inputName){

    if(!inputName)
        inputName = false;

    var dropdown_id = inputName == false ? objectType + '_rule_value_' + ruleIndex : inputName;

    if(selectedFieldId == 0)
        selectedFieldId = GetFirstRuleField();

    if(selectedFieldId == 0)
        return "";

    var field = GetFieldById(selectedFieldId),
        isEntryMeta = IsEntryMeta(selectedFieldId),
        obj = GetConditionalObject(objectType),
        rule = obj["conditionalLogic"]["rules"][ruleIndex],
        operator = rule.operator,
        str = "";

    if(field && field["type"] == "post_category" && field["displayAllCategories"]){

        var dropdown = jQuery('#' + dropdown_id + ".gfield_category_dropdown");

        //don't load category drop down if it already exists (to avoid unecessary ajax requests)
        if(dropdown.length > 0){

            var options = dropdown.html();
            options = options.replace("value=\"" + selectedValue + "\"", "value=\"" + selectedValue + "\" selected=\"selected\"");
            str = "<select id='" + dropdown_id + "' class='gfield_rule_select gfield_rule_value_dropdown gfield_category_dropdown'>" + options + "</select>";
        }
        else{
            var placeholderName = inputName == false ? "gfield_ajax_placeholder_" + ruleIndex : inputName + "_placeholder";

            //loading categories via AJAX
            jQuery.post(ajaxurl,{   action:"gf_get_post_categories",
                                    objectType: objectType,
                                    ruleIndex: ruleIndex,
                                    inputName: inputName,
                                    selectedValue: selectedValue},
                                function(dropdown_string){
                                    if(dropdown_string){
                                        jQuery('#' + placeholderName).replaceWith(dropdown_string.trim());

                                        SetRuleProperty(objectType, ruleIndex, "value", jQuery("#" + dropdown_id).val());
                                    }
                                }
                        );

            //will be replaced by real drop down during the ajax callback
            str = "<select id='" + placeholderName + "' class='gfield_rule_select'><option>" + gf_vars["loading"] + "</option></select>";
        }
    }
    else if(field && field.choices && jQuery.inArray(operator, ["is", "isnot"]) > -1){
        str = GetRuleValuesDropDown(field.choices, objectType, ruleIndex, selectedValue, inputName);
    }
    else if (isEntryMeta && entry_meta && entry_meta[selectedFieldId] &&  entry_meta[selectedFieldId].filter && typeof entry_meta[selectedFieldId].filter.choices != 'undefined') {
        str = GetRuleValuesDropDown(entry_meta[selectedFieldId].filter.choices, objectType, ruleIndex, selectedValue, inputName);
    }
    else{
        selectedValue = selectedValue ? selectedValue.replace(/'/g, "&#039;") : "";

        //create a text field for fields that don't have choices (i.e text, textarea, number, email, etc...)
        str = "<input type='text' placeholder='" + gf_vars["enterValue"] + "' class='gfield_rule_select' id='" + dropdown_id + "' name='" + dropdown_id + "' value='" + selectedValue.replace(/'/g, "&#039;") + "' onchange='SetRuleProperty(\"" + objectType + "\", " + ruleIndex + ", \"value\", jQuery(this).val());' onkeyup='SetRuleProperty(\"" + objectType + "\", " + ruleIndex + ", \"value\", jQuery(this).val());'>";
    }

    str = gform.applyFilters( 'gform_conditional_logic_values_input', str, objectType, ruleIndex, selectedFieldId, selectedValue )

    return str;
}

function GetFirstRuleField(){
    for(var i=0; i<form.fields.length; i++){
        if(IsConditionalLogicField(form.fields[i]))
            return form.fields[i].id;
    }

    return 0;
}

function GetRuleValuesDropDown(choices, objectType, ruleIndex, selectedValue, inputName){

    var dropdown_id = inputName == false ? objectType + '_rule_value_' + ruleIndex : inputName;

    //create a drop down for fields that have choices (i.e. drop down, radio, checkboxes, etc...)
    var str = "<select class='gfield_rule_select gfield_rule_value_dropdown' id='" + dropdown_id + "' name='" + dropdown_id + "'>";

    var isAnySelected = false;
    for(var i=0; i<choices.length; i++){
        var choiceValue = typeof choices[i].value == "undefined" || choices[i].value == null ? choices[i].text + '' : choices[i].value + '';
        var isSelected = choiceValue == selectedValue;
        var selected = isSelected ? "selected='selected'" : "";
        if(isSelected)
            isAnySelected = true;

        str += "<option value='" + choiceValue.replace(/'/g, "&#039;") + "' " + selected + ">" + choices[i].text + "</option>";
    }

    if(!isAnySelected && selectedValue && selectedValue != "")
        str += "<option value='" + selectedValue.replace(/'/g, "&#039;") + "' selected='selected'>" + selectedValue + "</option>";

    str += "</select>";

    return str;

}

function SetRuleProperty(objectType, ruleIndex, name, value){
    var obj = GetConditionalObject(objectType);
    obj.conditionalLogic.rules[ruleIndex][name] = value;
}

function GetFieldById(id){
    id = parseInt( id );
    for(var i=0; i<form.fields.length; i++){
        if(form.fields[i].id == id)
            return form.fields[i];
    }
    return null;
}

function SetConditionalProperty(objectType, name, value){
    var obj = GetConditionalObject(objectType);
    obj.conditionalLogic[name] = value;
}

function SetRuleValueDropDown(element){
    //parsing ID to get objectType and ruleIndex
    var ary = element.attr("id").split('_rule_value_');

    if(ary.length < 2)
        return;

    var objectType = ary[0];
    var ruleIndex = ary[1];

    SetRuleProperty(objectType, ruleIndex, "value", element.val());
}

function InsertRule(objectType, ruleIndex){
    var obj = GetConditionalObject(objectType);
    obj.conditionalLogic.rules.splice(ruleIndex, 0, new ConditionalRule());
    CreateConditionalLogic(objectType, obj);
    SetRule(objectType, ruleIndex);
}

function SetRule(objectType, ruleIndex){
    SetRuleProperty(objectType, ruleIndex, "fieldId", jQuery("#" + objectType + "_rule_field_" + ruleIndex).val());
    SetRuleProperty(objectType, ruleIndex, "operator", jQuery("#" + objectType + "_rule_operator_" + ruleIndex).val());
    SetRuleProperty(objectType, ruleIndex, "value", jQuery("#" + objectType + "_rule_value_" + ruleIndex).val());
}

function DeleteRule(objectType, ruleIndex){
    var obj = GetConditionalObject(objectType);
    obj.conditionalLogic.rules.splice(ruleIndex, 1);
    CreateConditionalLogic(objectType, obj);
}

function TruncateRuleText(text){
    if(!text || text.length <= 18)
        return text;

    return text.substr(0, 9) + "..." + text.substr(text.length -8, 9);

}

function gfAjaxSpinner(elem, imageSrc, inlineStyles) {

    var imageSrc = typeof imageSrc == 'undefined' ? '/images/ajax-loader.gif': imageSrc;
    var inlineStyles = typeof inlineStyles != 'undefined' ? inlineStyles : '';

    this.elem = elem;
    this.image = '<img class="gfspinner" src="' + imageSrc + '" style="' + inlineStyles + '" />';

    this.init = function() {
        this.spinner = jQuery(this.image);
        jQuery(this.elem).after(this.spinner);
        return this;
    }

    this.destroy = function() {
        jQuery(this.spinner).remove();
    }

    return this.init();
}

function InsertVariable(element_id, callback, variable) {

    if(!variable)
        variable = jQuery('#' + element_id + '_variable_select').val();

    var messageElement = jQuery("#" + element_id);

    if(document.selection) {
        // Go the IE way
        messageElement[0].focus();
        document.selection.createRange().text=variable;
    }
    else if(messageElement[0].selectionStart) {
        // Go the Gecko way
        obj = messageElement[0]
        obj.value = obj.value.substr(0, obj.selectionStart) + variable + obj.value.substr(obj.selectionEnd, obj.value.length);
    }
    else {
        messageElement.val(variable + messageElement.val());
    }

    var variableSelect = jQuery('#' + element_id + '_variable_select');
    if(variableSelect.length > 0)
        variableSelect[0].selectedIndex = 0;

    if(callback && window[callback]){
        window[callback].call(null, element_id, variable);
    }

}

function InsertEditorVariable( elementId, value ) {

    if( !value ) {
        var select = jQuery("#" + elementId + "_variable_select");
        select[0].selectedIndex = 0;
        value = select.val();
    }

    wpActiveEditor = elementId;
    window.send_to_editor( value );

}

function GetInputType(field){
    return field.inputType ? field.inputType : field.type;
}

function HasPostField(){

    for(var i=0; i<form.fields.length; i++){
        var type = form.fields[i].type;
        if(type == "post_title" || type == "post_content" || type == "post_excerpt")
            return true;
    }
    return false;
}

function GetInput(field, id){

    if( typeof field['inputs'] != 'undefined' && jQuery.isArray(field['inputs']) ) {

        for(i in field['inputs']) {

            if(!field['inputs'].hasOwnProperty(i))
                continue;

            var input = field['inputs'][i];
            if(input.id == id)
                return input;
        }

    }

    return null;
}

function IsPricingField(fieldType) {
    return IsProductField(fieldType) || fieldType == 'donation';
}

function IsProductField(fieldType) {
    return jQuery.inArray(fieldType, ["option", "quantity", "product", "total", "shipping", "calculation"]) != -1;
}

function GetLabel(field, inputId, inputOnly) {
    if(typeof inputId == 'undefined')
        inputId = 0;

    if(typeof inputOnly == 'undefined')
        inputOnly = false;

    var input = GetInput(field, inputId);
    var displayLabel = "";

    if (field.adminLabel != undefined && field.adminLabel.length > 0){
		//use admin label
		displayLabel = field.adminLabel;
    }
    else{
    	//use regular label
		displayLabel = field.label;
    }

    if(input != null) {
        return inputOnly ? input.label : displayLabel + ' (' + input.label + ')';
    }
    else {
    	return displayLabel;
    }

}

function DeleteNotification(notificationId) {
    jQuery('#action_argument').val(notificationId);
    jQuery('#action').val('delete');
    jQuery('#notification_list_form')[0].submit();
}
function DuplicateNotification(notificationId) {
    jQuery('#action_argument').val(notificationId);
    jQuery('#action').val('duplicate');
    jQuery('#notification_list_form')[0].submit();
}

function DeleteConfirmation(confirmationId) {
    jQuery('#action_argument').val(confirmationId);
    jQuery('#action').val('delete');
    jQuery('#confirmation_list_form')[0].submit();
}

function DuplicateConfirmation(confirmationId) {
    jQuery('#action_argument').val(confirmationId);
    jQuery('#action').val('duplicate');
    jQuery('#confirmation_list_form')[0].submit();
}

function SetConfirmationConditionalLogic() {
   confirmation['conditionalLogic'] = jQuery('#conditional_logic').val() ? jQuery.parseJSON(jQuery('#conditional_logic').val()) : new ConditionalLogic();

}

function ToggleConfirmation() {

    var showElement, hideElement = '';
    var isRedirect = jQuery("#form_confirmation_redirect").is(":checked");
    var isPage = jQuery("#form_confirmation_show_page").is(":checked");

    if(isRedirect){
        showElement = ".form_confirmation_redirect_container";
        hideElement = "#form_confirmation_message_container, .form_confirmation_page_container";
        ClearConfirmationSettings(['text', 'page']);
    }
    else if(isPage){
        showElement = ".form_confirmation_page_container";
        hideElement = "#form_confirmation_message_container, .form_confirmation_redirect_container";
        ClearConfirmationSettings(['text', 'redirect']);
    }
    else{
        showElement = "#form_confirmation_message_container";
        hideElement = ".form_confirmation_page_container, .form_confirmation_redirect_container";
        ClearConfirmationSettings(['page', 'redirect']);
    }

    ToggleQueryString();
    TogglePageQueryString()

    jQuery(hideElement).hide();
    jQuery(showElement).show();

}

function ToggleQueryString() {
    if(jQuery('#form_redirect_use_querystring').is(":checked")){
        jQuery('#form_redirect_querystring_container').show();
    }
    else{
        jQuery('#form_redirect_querystring_container').hide();
        jQuery("#form_redirect_querystring").val('');
        jQuery("#form_redirect_use_querystring").val('');
    }
}

function TogglePageQueryString() {
    if(jQuery('#form_page_use_querystring').is(":checked")){
        jQuery('#form_page_querystring_container').show();
    }
    else{
        jQuery('#form_page_querystring_container').hide();
        jQuery("#form_page_querystring").val('');
        jQuery("#form_page_use_querystring").val('');
    }
}

function ClearConfirmationSettings(type) {

    var types = jQuery.isArray(type) ? type : [type];

    for(i in types) {

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

        switch(types[i]) {
        case 'text':
            jQuery('#form_confirmation_message').val('');
            jQuery('#form_disable_autoformatting').prop('checked', false);
            break;
        case 'page':
            jQuery('#form_confirmation_page').val('');
            jQuery('#form_page_querystring').val('');
            jQuery('#form_page_use_querystring').prop('checked', false);
            break;
        case 'redirect':
            jQuery('#form_confirmation_url').val('');
            jQuery('#form_redirect_querystring').val('');
            jQuery('#form_redirect_use_querystring').prop('checked', false);
            break;
        }
    }

}

function StashConditionalLogic() {
    var string = JSON.stringify(confirmation['conditionalLogic']);
    jQuery('#conditional_logic').val(string);
}

function ConfirmationObj() {
    this.id = false;
    this.name = gf_vars.confirmationDefaultName;
    this.type = 'message';
    this.message = gf_vars.confirmationDefaultMessage;
    this.isDefault = 0;
}

(function (gaddon, $, undefined) {

    gaddon.init = function () {

        var defaultVal, valueExists, value;

        f = window.form;
        var id = 0;
        if(isSet(f)){
            id = f.id
        }

    };

    gaddon.toggleFeedActive = function(img, addon_slug, feed_id){
        var is_active = img.src.indexOf("active1.png") >=0 ? 0 : 1;
        img.src = img.src.replace("active1.png", "spinner.gif");
        img.src = img.src.replace("active0.png", "spinner.gif");

        jQuery.post(ajaxurl, {
            action: "gf_feed_is_active_" + addon_slug,
            feed_id: feed_id,
            is_active: is_active
            },
            function(response){
                if(is_active){
                    img.src = img.src.replace("spinner.gif", "active1.png");
                    jQuery(img).attr('title',gf_vars.inactive).attr('alt', gf_vars.inactive);
                }
                else{
                    img.src = img.src.replace("spinner.gif", "active0.png");
                    jQuery(img).attr('title',gf_vars.active).attr('alt', gf_vars.active);
                }
            }
        );

        return true;
    };

    gaddon.deleteFeed = function (id) {
        $("#single_action").val("delete");
        $("#single_action_argument").val(id);
        $("#gform-settings").submit();
    }

    function isValidJson(str) {
        try {
            JSON.parse(str);
        } catch (e) {
            return false;
        }
        return true;
    }

    function isSet($var) {
        if (typeof $var != 'undefined')
            return true
        return false
    }

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

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

function Copy(variable){

    if(!variable)
        return variable;
    else if(typeof variable != 'object')
        return variable;

    variable = jQuery.isArray(variable) ? variable.slice() : jQuery.extend({}, variable);

    for(i in variable) {
        variable[i] = Copy(variable[i]);
    }

    return variable;
}

var gfMergeTagsObj = function(form) {

    this.form = form;

    this.init = function() {

        var gfMergeTags = this;

        this.mergeTagList = jQuery('<ul id="gf_merge_tag_list" class=""></ul>');
        this.mergeTagListHover = false;

        if(jQuery('.merge-tag-support').length <= 0)
            return;

        jQuery( ".merge-tag-support" )
            // don't navigate away from the field on tab when selecting an item
            .bind( "keydown", function( event ) {
                if ( event.keyCode === jQuery.ui.keyCode.TAB && jQuery( this ).data( "autocomplete" ).menu.active ) {
                    event.preventDefault();
                }
            })
            .each(function(){

                var elem = jQuery(this);
                var classStr = elem.is('input') ? 'input' : 'textarea';

                elem.autocomplete({
                    minLength: 1,
                    source: function( request, response ) {

                        // delegate back to autocomplete, but extract the last term
                        var term = gfMergeTags.extractLast( request.term );

                        if(term.length < elem.autocomplete('option', 'minLength')) {
                            response( [] );
                            return;
                        }

                        var tags = jQuery.map( gfMergeTags.getAutoCompleteMergeTags(elem), function(item) {
                            return gfMergeTags.startsWith( item, term ) ? item : null;
                        });

                        response( tags );
                    },
                    focus: function() {
                        // prevent value inserted on focus
                        return false;
                    },
                    select: function( event, ui ) {
                        var terms = gfMergeTags.split( this.value );

                        // remove the current input
                        terms.pop();

                        // add the selected item
                        terms.push( ui.item.value );

                        this.value = terms.join( " " );
                        return false;
                    }
                });

                var positionClass = gfMergeTags.getClassProperty(this, 'position');
                var mergeTagIcon = jQuery('<span class="all-merge-tags ' + positionClass + ' ' + classStr + '"><a class="open-list tooltip-merge-tag" title="' + gf_vars.mergeTagsTooltip + '"></a></span>');

                // add the target element to the merge tag icon data for reference later when determining where the selected merge tag should be inserted
                mergeTagIcon.data('targetElement', elem.attr('id') );

                // if "mt-manual_position" class prop is set, look for manual elem with correct class
                if( gfMergeTags.getClassProperty( this, 'manual_position' ) ) {
                    var manualClass = '.mt-' + elem.attr('id');
                    jQuery(manualClass).append( mergeTagIcon );
                } else {
                    elem.after( mergeTagIcon );
                }

            });

        jQuery('.tooltip-merge-tag').tooltip({
                show: {delay:1250},
                content: function () {
                    return jQuery(this).prop('title');
                }
         });

        jQuery('.all-merge-tags a.open-list').click(function() {

            var trigger = jQuery(this);

            var input = gfMergeTags.getTargetElement( trigger );
            gfMergeTags.mergeTagList.html( gfMergeTags.getMergeTagListItems( input ) );
            gfMergeTags.mergeTagList.insertAfter( trigger ).show();

            jQuery('ul#gf_merge_tag_list a').click(function(){

                var value = jQuery(this).data('value');
                var input = gfMergeTags.getTargetElement( this );

                // if input has "mt-wp_editor" class, use WP Editor insert function
                if( gfMergeTags.isWpEditor( input ) ) {
                    InsertEditorVariable( input.attr('id'), value );
                } else {
                    InsertVariable( input.attr('id'), null, value );
                }

                // trigger the change event to fire any functions tied to this input's onchange
                input.change();

                gfMergeTags.mergeTagList.hide();

            });

        });

        this.getTargetElement = function( elem ) {
            var elem = jQuery( elem );
            return jQuery( '#' + elem.parents('span.all-merge-tags').data('targetElement') );
        }

        // hide merge tag list on off click
        this.mergeTagList.hover(function(){
            gfMergeTags.mergeTagListHover = true;
        }, function(){
            gfMergeTags.mergeTagListHover = false;
        });

        jQuery('body').mouseup(function(){
            if(!gfMergeTags.mergeTagListHover)
                gfMergeTags.mergeTagList.hide();
        });

    }

    this.split = function( val ) {
        return val.split(' ');
    }

    this.extractLast = function( term ) {
        return this.split( term ).pop();
    }

    this.startsWith = function(string, value) {
        return string.indexOf(value) === 0;
    }

    this.getMergeTags = function(fields, elementId, hideAllFields, excludeFieldTypes, isPrepop, option) {

        if(typeof fields == 'undefined')
            fields = [];

        if(typeof excludeFieldTypes == 'undefined')
            excludeFieldTypes = [];

        var requiredFields = [], optionalFields = [], pricingFields = [];
        var ungrouped = [], requiredGroup = [], optionalGroup = [], pricingGroup = [], otherGroup = [], customGroup = [];

        if(!hideAllFields)
            ungrouped.push({ tag: '{all_fields}', 'label': this.getMergeTagLabel('{all_fields}') });

        if(!isPrepop) {

            // group fields by required, optional and pricing
            for(i in fields) {

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

                var field = fields[i];

                if(field['displayOnly'])
                    continue;

                var inputType = GetInputType(field);
                if(jQuery.inArray(inputType, excludeFieldTypes) != -1)
                    continue;

                if(field.isRequired) {

                    switch(inputType) {

                    case 'name':

                    	var requiredField = Copy(field);

                        if(field['nameFormat'] == 'extended') {

                            var prefix = GetInput(field, field.id + '.2');
                            var suffix = GetInput(field, field.id + '.8');

                            var optionalField = Copy(field);
                            optionalField['inputs'] = [prefix, suffix];

                            // add optional name fields to optional list
                            optionalFields.push(optionalField);

                            // remove option name fields from required list
                            delete requiredField.inputs[0];
                            delete requiredField.inputs[3];
                        }

                        requiredFields.push(requiredField);
                        break;

                    default:
                        requiredFields.push(field);
                    }

                } else {

                    optionalFields.push(field);

                }

                if(IsPricingField(field.type)) {
                    pricingFields.push(field);
                }

            }

            if(requiredFields.length > 0) {
                for(i in requiredFields) {
                    if(! requiredFields.hasOwnProperty(i))
                        continue;

                    requiredGroup = requiredGroup.concat(this.getFieldMergeTags(requiredFields[i], option));
                }
            }

            if(optionalFields.length > 0) {
                for(i in optionalFields) {

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

                    optionalGroup = optionalGroup.concat(this.getFieldMergeTags(optionalFields[i], option));
                }
            }

            if(pricingFields.length > 0) {

                if(!hideAllFields)
                    pricingGroup.push({ tag: '{pricing_fields}', 'label': this.getMergeTagLabel('{pricing_fields}') });

                for(i in pricingFields) {
                    if(!pricingFields.hasOwnProperty(i))
                        continue;

                    pricingGroup.concat(this.getFieldMergeTags(pricingFields[i], option));
                }

            }

        }

        otherGroup.push( { tag: '{ip}', label: this.getMergeTagLabel('{ip}') });
        otherGroup.push( { tag: '{date_mdy}', label: this.getMergeTagLabel('{date_mdy}') });
        otherGroup.push( { tag: '{date_dmy}', label: this.getMergeTagLabel('{date_dmy}') });
        otherGroup.push( { tag: '{embed_post:ID}', label: this.getMergeTagLabel('{embed_post:ID}') });
        otherGroup.push( { tag: '{embed_post:post_title}', label: this.getMergeTagLabel('{embed_post:post_title}') });
        otherGroup.push( { tag: '{embed_url}', label: this.getMergeTagLabel('{embed_url}') });
        otherGroup.push( { tag: '{entry_id}', label: this.getMergeTagLabel('{entry_id}') });
        otherGroup.push( { tag: '{entry_url}', label: this.getMergeTagLabel('{entry_url}') });
        otherGroup.push( { tag: '{form_id}', label: this.getMergeTagLabel('{form_id}') });

        otherGroup.push( { tag: '{form_title}', label: this.getMergeTagLabel('{form_title}') });

        otherGroup.push( { tag: '{user_agent}', label: this.getMergeTagLabel('{user_agent}') });
        otherGroup.push( { tag: '{referer}', label: this.getMergeTagLabel('{referer}') });

        if(HasPostField() && !isPrepop) { // TODO: consider adding support for passing form object or fields array
            otherGroup.push( { tag: '{post_id}', label: this.getMergeTagLabel('{post_id}') });
            otherGroup.push( { tag: '{post_edit_url}', label: this.getMergeTagLabel('{post_edit_url}') });
        }

        otherGroup.push( { tag: '{user:display_name}', label: this.getMergeTagLabel('{user:display_name}') });
        otherGroup.push( { tag: '{user:user_email}', label: this.getMergeTagLabel('{user:user_email}') });
        otherGroup.push( { tag: '{user:user_login}', label: this.getMergeTagLabel('{user:user_login}') });

        var customMergeTags = this.getCustomMergeTags();
        if( customMergeTags.tags.length > 0 ) {
            for( i in customMergeTags.tags ) {

                if(! customMergeTags.tags.hasOwnProperty(i))
                    continue;

                var customMergeTag = customMergeTags.tags[i];
                customGroup.push( { tag: customMergeTag.tag, label: customMergeTag.label } );
            }
        }

        var mergeTags = {
            ungrouped: {
                label: this.getMergeGroupLabel('ungrouped'),
                tags: ungrouped
            },
            required: {
                label: this.getMergeGroupLabel('required'),
                tags: requiredGroup
            },
            optional: {
                label: this.getMergeGroupLabel('optional'),
                tags: optionalGroup
            },
            pricing: {
                label: this.getMergeGroupLabel('pricing'),
                tags: pricingGroup
            },
            other: {
                label: this.getMergeGroupLabel('other'),
                tags: otherGroup
            },
            custom: {
                label: this.getMergeGroupLabel('custom'),
                tags: customGroup
            }
        }

        mergeTags = gform.applyFilters('gform_merge_tags', mergeTags, elementId, hideAllFields, excludeFieldTypes, isPrepop, option, this );

        return mergeTags;
    }

    this.getMergeTagLabel = function(tag) {

        for(groupName in gf_vars.mergeTags) {

            if(!gf_vars.mergeTags.hasOwnProperty(groupName))
                continue;

            var tags = gf_vars.mergeTags[groupName].tags;
            for(i in tags) {

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

                if(tags[i].tag == tag)
                    return tags[i].label;
            }
        }

        return '';
    }

    this.getMergeGroupLabel = function(group) {
        return gf_vars.mergeTags[group].label;
    }

    this.getFieldMergeTags = function(field, option) {

        if(typeof option == 'undefined')
            option = '';

        var mergeTags = [];
        var inputType = GetInputType(field);
        var tagArgs = inputType == "list" ? ":" + option : ""; //option currently only supported by list field
        var value = '', label = '';

        if( typeof field['inputs'] != 'undefined' && jQuery.isArray(field['inputs']) ) {

            if(inputType == 'checkbox') {
                label = GetLabel(field, field.id).replace("'", "\\'");
                value = "{" + label + ":" + field.id + tagArgs + "}";
                mergeTags.push( { tag: value, label: label } );
            }

            for(i in field.inputs) {

                if(!field.inputs.hasOwnProperty(i))
                    continue;

                var input = field.inputs[i];
                if(inputType == "creditcard" && jQuery.inArray(input.id,[parseFloat(field.id + ".2"), parseFloat(field.id + ".3"), parseFloat(field.id + ".5")]) > -1)
                    continue;
                label = GetLabel(field, input.id).replace("'", "\\'");
                value = "{" + label + ":" + input.id + tagArgs + "}";
                mergeTags.push( { tag: value, label: label } );
            }

        }
        else {
            label = GetLabel(field).replace("'", "\\'");
            value = "{" + label + ":" + field.id + tagArgs + "}";
            mergeTags.push( { tag: value, label: label } );
        }

        return mergeTags;
    }

    this.getCustomMergeTags = function() {
        for(groupName in gf_vars.mergeTags) {
            if(!gf_vars.mergeTags.hasOwnProperty(groupName))
                continue;

            if(groupName == 'custom')
                return gf_vars.mergeTags[groupName];
        }
        return [];
    }

    this.getAutoCompleteMergeTags = function(elem) {

        var fields = this.form.fields;
        var elementId = elem.attr('id');
        var hideAllFields = this.getClassProperty(elem, 'hide_all_fields') == true;
        var excludeFieldTypes = this.getClassProperty(elem, 'exclude');
        var option = this.getClassProperty(elem, 'option');
        var isPrepop = this.getClassProperty(elem, 'prepopulate');

        if(isPrepop) {
            hideAllFields = true;
        }
        var mergeTags = this.getMergeTags(fields, elementId, hideAllFields, excludeFieldTypes, isPrepop, option);

        var autoCompleteTags = [];
        for(group in mergeTags) {

            if(! mergeTags.hasOwnProperty(group))
                continue;

            var tags = mergeTags[group].tags;
            for(i in tags) {

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

                autoCompleteTags.push(tags[i].tag);
            }
        }

        return autoCompleteTags;
    }

    this.getMergeTagListItems = function(elem) {

        var fields = this.form.fields;
        var elementId = elem.attr('id');
        var hideAllFields = this.getClassProperty(elem, 'hide_all_fields') == true;
        var excludeFieldTypes = this.getClassProperty(elem, 'exclude');
        var isPrepop = this.getClassProperty(elem, 'prepopulate');
        var option = this.getClassProperty(elem, 'option');

        if(isPrepop) {
            hideAllFields = true;
        }
        var mergeTags = this.getMergeTags(fields, elementId, hideAllFields, excludeFieldTypes, isPrepop, option);
        var hasMultipleGroups = this.hasMultipleGroups(mergeTags);
        var optionsHTML = '';

        for(group in mergeTags) {

            if(! mergeTags.hasOwnProperty(group))
                continue;

            var label = mergeTags[group].label
            var tags = mergeTags[group].tags;

            // skip groups without any tags
            if(tags.length <= 0)
                continue;

            // if group name provided
            if(label && hasMultipleGroups)
                optionsHTML += '<li class="group-header">' + label + '</li>';

            for(i in tags) {

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

                var tag = tags[i];
                optionsHTML += '<li class=""><a class="" data-value="' + tag.tag + '">' + tag.label + '</a></li>';
            }

        }

        return optionsHTML;
    }

    this.hasMultipleGroups = function(mergeTags) {
        var count = 0;
        for(group in mergeTags) {

            if(!mergeTags.hasOwnProperty(group))
                continue;

            if(mergeTags[group].tags.length > 0)
                count++;
        }
        return count > 1;
    }

    /**
    * Merge Tag inputs support a system for setting various properties for the merge tags via classes.
    *   e.g. mt-{property}-{value}
    *
    * You can pass multiple values for a property like so:
    *   e.g. mt-{property}-{value1}-{value2}-{value3}
    *
    * Current classes:
    *   mt-hide_all_fields
    *   mt-exclude-{field_type}         e.g. mt-exlude-paragraph
    *   mt-option-{option_value}        e.g. mt-option-url
    *   mt-position-{position_value}    e.g. mt-position-right
    *
    */
    this.getClassProperty = function(elem, property) {

        var elem = jQuery(elem);
        var classStr = elem.attr('class');

        if(!classStr)
            return '';

        var classes = classStr.split(' ');

        for(i in classes) {

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

            var pieces = classes[i].split('-');

            // if this is not a merge tag class or not the property we are looking for, skip
            if(pieces[0] != 'mt' || pieces[1] != property)
                continue;

            // if more than one value passed, return all values
            if(pieces.length > 3) {
                delete pieces[0];
                delete pieces[1];
                return pieces;
            }
            // if just a property is passed, assume we are looking for boolean, return true
            else if(pieces.length == 2){
                return true;
            // in all other cases, return the value
            } else {
                return pieces[2];
            }

        }

        return '';
    }

    this.isWpEditor = function( mergeTagIcon ) {
        var mergeTagIcon = jQuery( mergeTagIcon );
        return this.getClassProperty( mergeTagIcon, 'wp_editor' ) == true;
    }

    this.init();

}

var FeedConditionObj = function( args ) {

    this.strings = isSet( args.strings ) ? args.strings : {};
    this.logicObject = args.logicObject;

    this.init = function() {

        var fcobj = this;

        gform.addFilter( 'gform_conditional_object', 'FeedConditionConditionalObject' );
        gform.addFilter( 'gform_conditional_logic_description', 'FeedConditionConditionalDescription' );

        jQuery(document).ready(function(){
            ToggleConditionalLogic( true, "feed_condition" );
        });

        jQuery('input#feed_condition_conditional_logic').parents('form').on('submit', function(){
            jQuery('input#feed_condition_conditional_logic_object').val( JSON.stringify( fcobj.logicObject ) );
        });

    }

    this.init();

}

function FeedConditionConditionalObject( object, objectType ) {

    if( objectType != 'feed_condition' )
        return object;

    return feedCondition.logicObject;
}

function FeedConditionConditionalDescription( description, descPieces, objectType, obj ) {

    if( objectType != 'feed_condition' )
        return description;

    descPieces.actionType = descPieces.actionType.replace('<select', '<select style="display:none;"');
    descPieces.objectDescription = feedCondition.strings.objectDescription;
    var descPiecesArr = makeArray( descPieces );

    return descPiecesArr.join(' ');
}

function SimpleConditionObject( object, objectType ) {

	if( objectType.indexOf('simple_condition') < 0 )
		return object;

	var objectName = objectType.substring(17) + "_object";

	return window[objectName];
}

function makeArray( object ) {
    var array = [];
    for( i in object ) {
        array.push( object[i] );
    }
    return array;
}

function isSet( $var ) {
    if (typeof $var != 'undefined')
        return true
    return false
}