447 lines
14 KiB
JavaScript
447 lines
14 KiB
JavaScript
(function($) {
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$.entwine('ss', function($){
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/**
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* On resize of any close the open treedropdownfields
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* as we'll need to redo with widths
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*/
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var windowWidth, windowHeight;
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$(window).bind('resize.treedropdownfield', function() {
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// Entwine's 'fromWindow::onresize' does not trigger on IE8. Use synthetic event.
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var cb = function() {$('.TreeDropdownField').closePanel();};
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// Workaround to avoid IE8 infinite loops when elements are resized as a result of this event
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if($.browser.msie && parseInt($.browser.version, 10) < 9) {
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var newWindowWidth = $(window).width(), newWindowHeight = $(window).height();
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if(newWindowWidth != windowWidth || newWindowHeight != windowHeight) {
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windowWidth = newWindowWidth;
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windowHeight = newWindowHeight;
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cb();
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}
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} else {
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cb();
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}
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});
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var strings = {
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'openlink': ss.i18n._t('TreeDropdownField.OpenLink'),
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'fieldTitle': '(' + ss.i18n._t('TreeDropdownField.FieldTitle') + ')',
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'searchFieldTitle': '(' + ss.i18n._t('TreeDropdownField.SearchFieldTitle') + ')'
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};
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var _clickTestFn = function(e) {
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// If the click target is not a child of the current field, close the panel automatically.
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if(!$(e.target).parents('.TreeDropdownField').length) $('.TreeDropdownField').closePanel();
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};
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/**
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* @todo Error display
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* @todo No results display for search
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* @todo Automatic expansion of ajax children when multiselect is triggered
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* @todo Automatic panel positioning based on available space (top/bottom)
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* @todo forceValue
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* @todo Automatic width
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* @todo Expand title height to fit all elements
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*/
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$('.TreeDropdownField').entwine({
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// XMLHttpRequest
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CurrentXhr: null,
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onadd: function() {
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this.append(
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'<span class="treedropdownfield-title"></span>' +
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'<div class="treedropdownfield-toggle-panel-link"><a href="#" class="ui-icon ui-icon-triangle-1-s"></a></div>' +
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'<div class="treedropdownfield-panel"><div class="tree-holder"></div></div>'
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);
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var linkTitle = strings.openLink;
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if(linkTitle) this.find("treedropdownfield-toggle-panel-link a").attr('title', linkTitle);
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if(this.data('title')) this.setTitle(this.data('title'));
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this.getPanel().hide();
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this._super();
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},
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getPanel: function() {
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return this.find('.treedropdownfield-panel');
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},
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openPanel: function() {
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// close all other panels
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$('.TreeDropdownField').closePanel();
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// Listen for clicks outside of the field to auto-close it
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$('body').bind('click', _clickTestFn);
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var panel = this.getPanel(), tree = this.find('.tree-holder');
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panel.css('width', this.width());
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panel.show();
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// swap the down arrow with an up arrow
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var toggle = this.find(".treedropdownfield-toggle-panel-link");
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toggle.addClass('treedropdownfield-open-tree');
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this.addClass("treedropdownfield-open-tree");
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toggle.find("a")
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.removeClass('ui-icon-triangle-1-s')
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.addClass('ui-icon-triangle-1-n');
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if(tree.is(':empty') && !panel.hasClass('loading')) {
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this.loadTree(null, this._riseUp);
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} else {
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this._riseUp();
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}
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this.trigger('panelshow');
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},
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_riseUp: function() {
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var container = this,
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dropdown = this.getPanel(),
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toggle = this.find(".treedropdownfield-toggle-panel-link"),
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offsetTop = toggle.innerHeight(),
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elHeight,
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elPos,
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endOfWindow;
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if (toggle.length > 0) {
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endOfWindow = ($(window).height() + $(document).scrollTop()) - toggle.innerHeight();
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elPos = toggle.offset().top;
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elHeight = dropdown.innerHeight();
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// If the dropdown is too close to the bottom of the page, position it above the 'trigger'
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if (elPos + elHeight > endOfWindow && elPos - elHeight > 0) {
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container.addClass('treedropdownfield-with-rise');
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offsetTop = -dropdown.outerHeight();
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} else {
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container.removeClass('treedropdownfield-with-rise');
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}
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}
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dropdown.css({"top": offsetTop + "px"});
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},
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closePanel: function() {
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jQuery('body').unbind('click', _clickTestFn);
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// swap the up arrow with a down arrow
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var toggle = this.find(".treedropdownfield-toggle-panel-link");
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toggle.removeClass('treedropdownfield-open-tree');
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this.removeClass('treedropdownfield-open-tree treedropdownfield-with-rise');
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toggle.find("a")
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.removeClass('ui-icon-triangle-1-n')
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.addClass('ui-icon-triangle-1-s');
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this.getPanel().hide();
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this.trigger('panelhide');
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},
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togglePanel: function() {
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this[this.getPanel().is(':visible') ? 'closePanel' : 'openPanel']();
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},
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setTitle: function(title) {
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title = title || this.data('empty-title') || strings.fieldTitle;
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this.find('.treedropdownfield-title').html(title);
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this.data('title', title); // separate view from storage (important for search cancellation)
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},
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getTitle: function() {
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return this.find('.treedropdownfield-title').text();
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},
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/**
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* Update title from tree node value
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*/
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updateTitle: function() {
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var self = this, tree = self.find('.tree-holder'), val = this.getValue();
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var updateFn = function() {
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var val = self.getValue();
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if(val) {
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var node = tree.find('*[data-id="' + val + '"]'),
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title = node.children('a').find("span.jstree_pageicon")?node.children('a').find("span.item").html():null;
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if(!title) title=(node.length > 0) ? tree.jstree('get_text', node[0]) : null;
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if(title) {
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self.setTitle(title);
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self.data('title', title);
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}
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if(node) tree.jstree('select_node', node);
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}
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else {
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self.setTitle(self.data('empty-title'));
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self.removeData('title');
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}
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};
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// Load the tree if its not already present
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if(!tree.is(':empty') || !val) updateFn();
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else this.loadTree({forceValue: val}, updateFn);
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},
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setValue: function(val) {
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this.data('metadata', $.extend(this.data('metadata'), {id: val}));
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this.find(':input:hidden').val(val)
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// Trigger synthetic event so subscribers can workaround the IE8 problem with 'change' events
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// not propagating on hidden inputs. 'change' is still triggered for backwards compatiblity.
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.trigger('valueupdated')
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.trigger('change');
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},
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getValue: function() {
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return this.find(':input:hidden').val();
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},
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loadTree: function(params, callback) {
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var self = this, panel = this.getPanel(), treeHolder = $(panel).find('.tree-holder'),
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params = (params) ? $.extend({}, this.getRequestParams(), params) : this.getRequestParams(), xhr;
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if(this.getCurrentXhr()) this.getCurrentXhr().abort();
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panel.addClass('loading');
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xhr = $.ajax({
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url: this.data('urlTree'),
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data: params,
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complete: function(xhr, status) {
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panel.removeClass('loading');
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},
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success: function(html, status, xhr) {
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treeHolder.html(html);
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var firstLoad = true;
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treeHolder
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.jstree('destroy')
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.bind('loaded.jstree', function(e, data) {
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var val = self.getValue(), selectNode = treeHolder.find('*[data-id="' + val + '"]'),
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currentNode = data.inst.get_selected();
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if(val && selectNode != currentNode) data.inst.select_node(selectNode);
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firstLoad = false;
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if(callback) callback.apply(self);
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})
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.jstree(self.getTreeConfig())
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.bind('select_node.jstree', function(e, data) {
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var node = data.rslt.obj, id = $(node).data('id');
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if(!firstLoad && self.getValue() == id) {
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// Value is already selected, unselect it (for lack of a better UI to do this)
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self.data('metadata', null);
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self.setTitle(null);
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self.setValue(null);
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data.inst.deselect_node(node);
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} else {
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self.data('metadata', $.extend({id: id}, $(node).getMetaData()));
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self.setTitle(data.inst.get_text(node));
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self.setValue(id);
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}
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// Avoid auto-closing panel on first load
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if(!firstLoad) self.closePanel();
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firstLoad=false;
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});
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self.setCurrentXhr(null);
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}
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});
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this.setCurrentXhr(xhr);
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},
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getTreeConfig: function() {
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var self = this;
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return {
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'core': {
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'html_titles': true,
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// 'initially_open': ['record-0'],
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'animation': 0
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},
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'html_data': {
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// TODO Hack to avoid ajax load on init, see http://code.google.com/p/jstree/issues/detail?id=911
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'data': this.getPanel().find('.tree-holder').html(),
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'ajax': {
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'url': function(node) {
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var url = $.path.parseUrl(self.data('urlTree')).hrefNoSearch;
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return url + '/' + ($(node).data("id") ? $(node).data("id") : 0);
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},
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'data': function(node) {
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var query = $.query.load(self.data('urlTree')).keys;
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var params = self.getRequestParams();
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params = $.extend({}, query, params, {ajax: 1});
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return params;
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}
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}
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},
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'ui': {
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"select_limit" : 1,
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'initially_select': [this.getPanel().find('.current').attr('id')]
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},
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'themes': {
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'theme': 'apple'
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},
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'types' : {
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'types' : {
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'default': {
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'check_node': function(node) {
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return ( ! node.hasClass('disabled'));
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},
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'uncheck_node': function(node) {
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return ( ! node.hasClass('disabled'));
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},
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'select_node': function(node) {
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return ( ! node.hasClass('disabled'));
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},
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'deselect_node': function(node) {
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return ( ! node.hasClass('disabled'));
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}
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}
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}
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},
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'plugins': ['html_data', 'ui', 'themes', 'types']
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};
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},
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/**
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* If the field is contained in a form, submit all form parameters by default.
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* This is useful to keep state like locale values which are typically
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* encoded in hidden fields through the form.
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*
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* @return {object}
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*/
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getRequestParams: function() {
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return {};
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}
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});
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$('.TreeDropdownField .tree-holder li').entwine({
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/**
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* Overload to return more data. The same data should be set on initial
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* value through PHP as well (see TreeDropdownField->Field()).
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*
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* @return {object}
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*/
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getMetaData: function() {
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var matches = this.attr('class').match(/class-([^\s]*)/i);
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var klass = matches ? matches[1] : '';
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return {ClassName: klass};
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}
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});
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$('.TreeDropdownField *').entwine({
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getField: function() {
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return this.parents('.TreeDropdownField:first');
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}
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});
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$('.TreeDropdownField').entwine({
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onclick: function(e) {
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this.togglePanel();
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return false;
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}
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});
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$('.TreeDropdownField .treedropdownfield-panel').entwine({
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onclick: function(e) {
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return false;
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}
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});
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$('.TreeDropdownField.searchable').entwine({
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onadd: function() {
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this._super();
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var title = ss.i18n._t('TreeDropdownField.ENTERTOSEARCH');
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this.find('.treedropdownfield-panel').prepend(
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$('<input type="text" class="search treedropdownfield-search" data-skip-autofocus="true" placeholder="' + title + '" value="" />')
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);
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},
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search: function(str, callback) {
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this.openPanel();
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this.loadTree({search: str}, callback);
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},
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cancelSearch: function() {
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this.closePanel();
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this.loadTree();
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}
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});
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$('.TreeDropdownField.searchable input.search').entwine({
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onkeydown: function(e) {
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var field = this.getField();
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if(e.keyCode == 13) {
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// trigger search on ENTER key
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field.search(this.val());
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return false;
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} else if(e.keyCode == 27) {
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// cancel search on ESC key
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field.cancelSearch();
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}
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}
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});
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$('.TreeDropdownField.multiple').entwine({
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getTreeConfig: function() {
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var cfg = this._super();
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cfg.checkbox = {override_ui: true, two_state: true};
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cfg.plugins.push('checkbox');
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cfg.ui.select_limit = -1;
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return cfg;
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},
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loadTree: function(params, callback) {
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var self = this, panel = this.getPanel(), treeHolder = $(panel).find('.tree-holder');
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var params = (params) ? $.extend({}, this.getRequestParams(), params) : this.getRequestParams(), xhr;
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if(this.getCurrentXhr()) this.getCurrentXhr().abort();
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panel.addClass('loading');
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xhr = $.ajax({
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url: this.data('urlTree'),
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data: params,
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complete: function(xhr, status) {
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panel.removeClass('loading');
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},
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success: function(html, status, xhr) {
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treeHolder.html(html);
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var firstLoad = true;
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self.setCurrentXhr(null);
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treeHolder
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.jstree('destroy')
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.bind('loaded.jstree', function(e, data) {
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$.each(self.getValue(), function(i, val) {
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data.inst.check_node(treeHolder.find('*[data-id=' + val + ']'));
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});
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firstLoad = false;
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if(callback) callback.apply(self);
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})
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.jstree(self.getTreeConfig())
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.bind('uncheck_node.jstree check_node.jstree', function(e, data) {
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var nodes = data.inst.get_checked(null, true);
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self.setValue($.map(nodes, function(el, i) {
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return $(el).data('id');
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}));
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self.setTitle($.map(nodes, function(el, i) {
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return data.inst.get_text(el);
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}));
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self.data('metadata', $.map(nodes, function(el, i) {
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return {id: $(el).data('id'), metadata: $(el).getMetaData()};
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}));
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});
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}
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});
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this.setCurrentXhr(xhr);
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},
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getValue: function() {
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var val = this._super();
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return val.split(/ *, */);
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},
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setValue: function(val) {
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this._super($.isArray(val) ? val.join(',') : val);
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},
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setTitle: function(title) {
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this._super($.isArray(title) ? title.join(', ') : title);
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},
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updateTitle: function() {
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// TODO Not supported due to multiple values/titles yet
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}
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});
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$('.TreeDropdownField input[type=hidden]').entwine({
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onadd: function() {
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this._super();
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this.bind('change.TreeDropdownField', function() {
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$(this).getField().updateTitle();
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});
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},
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onremove: function() {
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this._super();
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this.unbind('.TreeDropdownField');
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}
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});
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});
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}(jQuery));
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