mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-07-01 00:49:33 +02:00
b186626b73
If you're logged in as a specific user in a group who has view/edit permissions of a page that has a parent page which doesn't have permissions, you can't expand the tree node to get access to that nested page. This fixes LeftAndMain.Tree.js to allow expanding if there are immediate children tree nodes that are not disabled. Also fixes styling so that only immediate children nodes are greyed out. Fixes this ticket: http://open.silverstripe.org/ticket/7913
479 lines
15 KiB
JavaScript
479 lines
15 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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var allowedChildren = node.find('li:not(.disabled)');
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// if there are child nodes that aren't disabled, allow expanding the tree
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if(node.hasClass('disabled') && allowedChildren == 0) {
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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), newParentID = $(newParentNode).data('id') || 0, nodeID = $(movedNode).data('id');
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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: nodeID,
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ParentID: newParentID,
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SiblingIDs: siblingIDs
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},
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success: function() {
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$('.cms-edit-form :input[name=ParentID]').val(newParentID);
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self.updateNodesFromServer([nodeID]);
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},
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statusCode: {
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403: function() {
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$.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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var origChildren = node.children('ul').detach();
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node.addClass(origClasses).html(newNode.html()).append(origChildren);
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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('deselect_all');
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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: $.path.addSearchParams(this.data('urlUpdatetreenodes'), 'ids=' + ids.join(',')),
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dataType: 'json',
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success: function(data, xhr) {
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$.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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var correctStateFn = function(node) {
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self.jstree('deselect_all');
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self.jstree('select_node', node);
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// Similar to jstree's correct_state, but doesn't remove children
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var hasChildren = (node.children('ul').length > 0);
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node.toggleClass('jstree-leaf', !hasChildren);
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if(!hasChildren) node.removeClass('jstree-closed jstree-open');
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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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correctStateFn(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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correctStateFn(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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