mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
468 lines
14 KiB
JavaScript
468 lines
14 KiB
JavaScript
/**
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* File: LeftAndMain.Tree.js
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*/
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(function($) {
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$.entwine('ss.tree', function($){
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$('.cms-tree').entwine({
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Hints: null,
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IsUpdatingTree: false,
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IsLoaded: false,
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onadd: function(){
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this._super();
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// Don't reapply (expensive) tree behaviour if already present
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if($.isNumeric(this.data('jstree_instance_id'))) return;
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var hints = this.attr('data-hints');
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if(hints) this.setHints($.parseJSON(hints));
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/**
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* @todo Icon and page type hover support
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* @todo Sorting of sub nodes (originally placed in context menu)
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* @todo Automatic load of full subtree via ajax on node checkbox selection (minNodeCount = 0)
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* to avoid doing partial selection with "hidden nodes" (unloaded markup)
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* @todo Disallow drag'n'drop when node has "noChildren" set (see siteTreeHints)
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* @todo Disallow moving of pages marked as deleted
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* most likely by server response codes rather than clientside
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* @todo "defaultChild" when creating a page (sitetreeHints)
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* @todo Duplicate page (originally located in context menu)
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* @todo Update tree node title information and modified state after reordering (response is a JSON array)
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*
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* Tasks most likely not required after moving to a standalone tree:
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*
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* @todo Context menu - to be replaced by a bezel UI
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* @todo Refresh form for selected tree node if affected by reordering (new parent relationship)
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* @todo Cancel current form load via ajax when new load is requested (synchronous loading)
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*/
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var self = this;
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this
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.jstree(this.getTreeConfig())
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.bind('loaded.jstree', function(e, data) {
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self.setIsLoaded(true);
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self.updateFromEditForm();
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self.css('visibility', 'visible');
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// Add ajax settings after init period to avoid unnecessary initial ajax load
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// of existing tree in DOM - see load_node_html()
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data.inst._set_settings({'html_data': {'ajax': {
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'url': self.data('urlTree'),
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'data': function(node) {
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var params = self.data('searchparams') || [];
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// Avoid duplication of parameters
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params = $.grep(params, function(n, i) {return (n.name != 'ID' && n.name != 'value');});
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params.push({name: 'ID', value: $(node).data("id") ? $(node).data("id") : 0});
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params.push({name: 'ajax', value: 1});
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return params;
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}
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}}});
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// Only show checkboxes with .multiple class
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data.inst.hide_checkboxes();
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})
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.bind('before.jstree', function(e, data) {
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if(data.func == 'start_drag') {
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// Don't allow drag'n'drop if multi-select is enabled'
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if(!self.hasClass('draggable') || self.hasClass('multiselect')) {
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e.stopImmediatePropagation();
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return false;
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}
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}
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if($.inArray(data.func, ['check_node', 'uncheck_node'])) {
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//Don't allow check and uncheck if parent is disabled
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var node = $(data.args[0]).parents('li:first');
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if(node.hasClass('disabled')) {
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e.stopImmediatePropagation();
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return false;
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}
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}
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})
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.bind('move_node.jstree', function(e, data) {
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if(self.getIsUpdatingTree()) return;
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var movedNode = data.rslt.o, newParentNode = data.rslt.np, oldParentNode = data.inst._get_parent(movedNode);
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var siblingIDs = $.map($(movedNode).siblings().andSelf(), function(el) {
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return $(el).data('id');
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});
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$.ajax({
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'url': self.data('urlSavetreenode'),
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'data': {
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ID: $(movedNode).data('id'),
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ParentID: $(newParentNode).data('id') || 0,
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SiblingIDs: siblingIDs
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},
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statusCode: {
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403: function() {
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$.jstree.rollback(data.rlbk);
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}
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}
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});
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})
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// Make some jstree events delegatable
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.bind('select_node.jstree check_node.jstree uncheck_node.jstree', function(e, data) {
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$(document).triggerHandler(e, data);
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});
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},
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onremove: function(){
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this.jstree('destroy');
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this._super();
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},
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'from .cms-container': {
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onafterstatechange: function(e){
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this.updateFromEditForm();
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// No need to refresh tree nodes, we assume only form submits cause state changes
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}
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},
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'from .cms-container form': {
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onaftersubmitform: function(e){
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var id = $('.cms-edit-form :input[name=ID]').val();
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// TODO Trigger by implementing and inspecting "changed records" metadata
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// sent by form submission response (as HTTP response headers)
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this.updateNodesFromServer([id]);
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}
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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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'initially_open': ['record-0'],
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'animation': 0,
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'html_titles': true
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},
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'html_data': {
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// 'ajax' will be set on 'loaded.jstree' event
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},
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'ui': {
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"select_limit" : 1,
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'initially_select': [this.find('.current').attr('id')]
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},
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"crrm": {
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'move': {
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// Check if a node is allowed to be moved.
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// Caution: Runs on every drag over a new node
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'check_move': function(data) {
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var movedNode = $(data.o), newParent = $(data.np),
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isMovedOntoContainer = data.ot.get_container()[0] == data.np[0],
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movedNodeClass = movedNode.getClassname(),
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newParentClass = newParent.getClassname(),
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// Check allowedChildren of newParent or against root node rules
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hints = self.getHints(),
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disallowedChildren = [],
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hintKey = newParentClass ? newParentClass : 'Root',
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hint = (hints && typeof hints[hintKey] != 'undefined') ? hints[hintKey] : null;
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// Special case for VirtualPage: Check that original page type is an allowed child
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if(hint && movedNode.attr('class').match(/VirtualPage-([^\s]*)/)) movedNodeClass = RegExp.$1;
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if(hint) disallowedChildren = (typeof hint.disallowedChildren != 'undefined') ? hint.disallowedChildren : [];
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var isAllowed = (
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// Don't allow moving the root node
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movedNode.data('id') !== 0
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// Only allow moving node inside the root container, not before/after it
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&& (!isMovedOntoContainer || data.p == 'inside')
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// Children are generally allowed on parent
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&& !newParent.hasClass('nochildren')
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// movedNode is allowed as a child
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&& (!disallowedChildren.length || $.inArray(movedNodeClass, disallowedChildren) == -1)
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);
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return isAllowed;
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}
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}
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},
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'dnd': {
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"drop_target" : false,
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"drag_target" : false
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},
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'checkbox': {
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'two_state': true
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},
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'themes': {
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'theme': 'apple',
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'url': $('body').data('frameworkpath') + '/thirdparty/jstree/themes/apple/style.css'
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},
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// Caution: SilverStripe has disabled $.vakata.css.add_sheet() for performance reasons,
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// which means you need to add any CSS manually to framework/admin/scss/_tree.css
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'plugins': [
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'html_data', 'ui', 'dnd', 'crrm', 'themes',
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'checkbox' // checkboxes are hidden unless .multiple is set
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]
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};
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},
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/**
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* Function:
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* search
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*
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* Parameters:
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* (Object) data Pass empty data to cancel search
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* (Function) callback Success callback
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*/
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search: function(params, callback) {
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if(params) this.data('searchparams', params);
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else this.removeData('searchparams');
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this.jstree('refresh', -1, callback);
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},
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/**
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* Function: getNodeByID
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*
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* Parameters:
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* (Int) id
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*
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* Returns
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* DOMElement
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*/
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getNodeByID: function(id) {
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return this.find('*[data-id='+id+']');
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},
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/**
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* Creates a new node from the given HTML.
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* Wrapping around jstree API because we want the flexibility to define
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* the node's <li> ourselves. Places the node in the tree
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* according to data.ParentID
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*
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* Parameters:
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* (String) HTML New node content (<li>)
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* (Object) Map of additional data, e.g. ParentID
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* (Function) Success callback
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*/
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createNode: function(html, data, callback) {
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var self = this,
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parentNode = data.ParentID ? self.find('li[data-id='+data.ParentID+']') : false,
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newNode = $(html);
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this.jstree(
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'create_node',
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parentNode.length ? parentNode : -1,
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'last',
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'',
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function(node) {
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var origClasses = node.attr('class');
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// Copy attributes
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for(var i=0; i<newNode[0].attributes.length; i++){
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var attr = newNode[0].attributes[i];
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node.attr(attr.name, attr.value);
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}
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node.addClass(origClasses).html(newNode.html());
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callback(node);
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}
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);
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},
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/**
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* Updates a node's state in the tree,
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* including all of its HTML, as well as its position.
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*
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* Parameters:
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* (DOMElement) Existing node
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* (String) HTML New node content (<li>)
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* (Object) Map of additional data, e.g. ParentID
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*/
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updateNode: function(node, html, data) {
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var self = this, newNode = $(html), origClasses = node.attr('class');
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var nextNode = data.NextID ? this.find('li[data-id='+data.NextID+']') : false;
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var prevNode = data.PrevID ? this.find('li[data-id='+data.PrevID+']') : false;
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var parentNode = data.ParentID ? this.find('li[data-id='+data.ParentID+']') : false;
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// Copy attributes. We can't replace the node completely
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// without removing or detaching its children nodes.
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for(var i=0; i<newNode[0].attributes.length; i++){
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var attr = newNode[0].attributes[i];
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node.attr(attr.name, attr.value);
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}
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// Replace inner content
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node.addClass(origClasses).html(newNode.html());
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if (nextNode && nextNode.length) {
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this.jstree('move_node', node, nextNode, 'before');
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}
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else if (prevNode && prevNode.length) {
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this.jstree('move_node', node, prevNode, 'after');
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}
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else {
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this.jstree('move_node', node, parentNode.length ? parentNode : -1);
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}
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},
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/**
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* Sets the current state based on the form the tree is managing.
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*/
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updateFromEditForm: function() {
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var node, id = $('.cms-edit-form :input[name=ID]').val();
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if(id) {
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node = this.getNodeByID(id);
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if(node.length) {
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this.jstree('select_node', node);
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} else {
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// If form is showing an ID that doesn't exist in the tree,
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// get it from the server
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this.updateNodesFromServer([id]);
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}
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} else {
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// If no ID exists in a form view, we're displaying the tree on its own,
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// hence to page should show as active
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this.jstree('deselect_all');
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}
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},
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/**
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* Reloads the view of one or more tree nodes
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* from the server, ensuring that their state is up to date
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* (icon, title, hierarchy, badges, etc).
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* This is easier, more consistent and more extensible
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* than trying to correct all aspects via DOM modifications,
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* based on the sparse data available in the current edit form.
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*
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* Parameters:
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* (Array) List of IDs to retrieve
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*/
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updateNodesFromServer: function(ids) {
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if(this.getIsUpdatingTree() || !this.getIsLoaded()) return;
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var self = this, includesNewNode = false;
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this.setIsUpdatingTree(true);
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// TODO 'initially_opened' config doesn't apply here
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self.jstree('open_node', this.getNodeByID(0));
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self.jstree('save_opened');
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self.jstree('save_selected');
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$.ajax({
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url: this.data('urlUpdatetreenodes') + '?ids=' + ids.join(','),
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dataType: 'json',
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success: function(data, xhr) {
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$.each(data, function(nodeId, nodeData) {
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var node = self.getNodeByID(nodeId);
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// If no node data is given, assume the node has been removed
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if(!nodeData) {
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self.jstree('delete_node', node);
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return;
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}
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// Check if node exists, create if necessary
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if(node.length) {
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self.updateNode(node, nodeData.html, nodeData);
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setTimeout(function() {
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self.jstree('deselect_all');
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self.jstree('select_node', node);
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// Manually correct state, which checks for children and
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// removes toggle arrow (should really be done by jstree internally)
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self.jstree('correct_state', node);
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}, 500);
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} else {
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includesNewNode = true;
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self.createNode(nodeData.html, nodeData, function(newNode) {
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self.jstree('deselect_all');
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self.jstree('select_node', newNode);
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// Manually remove toggle node, see above
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self.jstree('correct_state', newNode);
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});
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}
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});
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if(!includesNewNode) {
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self.jstree('deselect_all');
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self.jstree('reselect');
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self.jstree('reopen');
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}
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},
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complete: function() {
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self.setIsUpdatingTree(false);
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}
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});
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}
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});
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$('.cms-tree.multiple').entwine({
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onmatch: function() {
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this._super();
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this.jstree('show_checkboxes');
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},
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onunmatch: function() {
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this._super();
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this.jstree('uncheck_all');
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this.jstree('hide_checkboxes');
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},
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/**
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* Function: getSelectedIDs
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*
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* Returns:
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* (Array)
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*/
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getSelectedIDs: function() {
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return $.map($(this).jstree('get_checked'), function(el, i) {return $(el).data('id');});
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}
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});
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$('.cms-tree li').entwine({
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/**
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* Function: setEnabled
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*
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* Parameters:
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* (bool)
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*/
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setEnabled: function(bool) {
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this.toggleClass('disabled', !(bool));
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},
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/**
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* Function: getClassname
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*
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* Returns PHP class for this element. Useful to check business rules like valid drag'n'drop targets.
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*/
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getClassname: function() {
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var matches = this.attr('class').match(/class-([^\s]*)/i);
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return matches ? matches[1] : '';
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},
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/**
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* Function: getID
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*
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* Returns:
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* (Number)
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*/
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getID: function() {
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return this.data('id');
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}
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});
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$('.cms-tree-view-modes input.view-mode').entwine({
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onmatch: function() {
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// set active by default
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this.redraw();
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this._super();
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},
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onunmatch: function() {
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this._super();
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},
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onclick: function(e) {
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this.redraw();
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},
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redraw: function(type) {
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if(window.debug) console.log('redraw', this.attr('class'), this.get(0));
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$('.cms-tree')
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.toggleClass('draggable', this.val() == 'draggable')
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.toggleClass('multiple', this.val() == 'multiselect');
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}
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});
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});
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}(jQuery));
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