silverstripe-framework/admin/client/src/legacy/LeftAndMain.Content.js

import $ from 'jQuery';

$.entwine('ss', function($){
	
	/**
	 * The "content" area contains all of the section specific UI (excluding the menu).
	 * This area can be a form itself, as well as contain one or more forms.
	 * For example, a page edit form might fill the whole area, 
	 * while a ModelAdmin layout shows a search form on the left, and edit form on the right.
	 */
	$('.cms-content').entwine({
		
		onadd: function() {
			var self = this;
			
			// Force initialization of certain UI elements to avoid layout glitches
			this.find('.cms-tabset').redrawTabs();
			this._super();

		},

		redraw: function() {
			if(window.debug) console.log('redraw', this.attr('class'), this.get(0));
			
			// Force initialization of certain UI elements to avoid layout glitches
			this.add(this.find('.cms-tabset')).redrawTabs();
			this.find('.cms-content-header').redraw();
			this.find('.cms-content-actions').redraw();
		}
	});

	/**
	 * Load edit form for the selected node when its clicked.
	 */
	$('.cms-content .cms-tree').entwine({
		onadd: function() {
			var self = this;

			this._super();

			this.bind('select_node.jstree', function(e, data) {
				var node = data.rslt.obj, loadedNodeID = self.find(':input[name=ID]').val(), origEvent = data.args[2], container = $('.cms-container');
				
				// Don't trigger unless coming from a click event.
				// Avoids problems with automated section switches from tree to detail view
				// when JSTree auto-selects elements on first load.
				if(!origEvent) {
					return false;
				}
				
				// Don't allow checking disabled nodes
				if($(node).hasClass('disabled')) return false;

				// Don't allow reloading of currently selected node,
				// mainly to avoid doing an ajax request on initial page load
				if($(node).data('id') == loadedNodeID) return;

				var url = $(node).find('a:first').attr('href');
				if(url && url != '#') {
					// strip possible querystrings from the url to avoid duplicateing document.location.search
					url = url.split('?')[0];
					
					// Deselect all nodes (will be reselected after load according to form state)
					self.jstree('deselect_all');
					self.jstree('uncheck_all');

					// Ensure URL is absolute (important for IE)
					if($.path.isExternal($(node).find('a:first'))) url = url = $.path.makeUrlAbsolute(url, $('base').attr('href'));
					// Retain search parameters
					if(document.location.search) url = $.path.addSearchParams(url, document.location.search.replace(/^\?/, ''));
					// Load new page
					container.loadPanel(url);	
				} else {
					self.removeForm();
				}
			});
		}
	});

	$('.cms-content .cms-content-fields').entwine({
		redraw: function() {
			if(window.debug) console.log('redraw', this.attr('class'), this.get(0));
		}
	});

	$('.cms-content .cms-content-header, .cms-content .cms-content-actions').entwine({
		redraw: function() {
			if(window.debug) console.log('redraw', this.attr('class'), this.get(0));

			// Fix dimensions to actual extents, in preparation for a relayout via jslayout.
			this.height('auto');
			this.height(this.innerHeight()-this.css('padding-top')-this.css('padding-bottom'));
		}
	});

	
});