reorganization of source code

public/libraries/fancytree/src/jquery.fancytree.columnview.js

@@ -0,0 +1,150 @@
+/*!
+ * jquery.fancytree.columnview.js
+ *
+ * Render tree like a Mac Finder's column view.
+ * (Extension module for jquery.fancytree.js: https://github.com/mar10/fancytree/)
+ *
+ * Copyright (c) 2008-2017, Martin Wendt (http://wwWendt.de)
+ *
+ * Released under the MIT license
+ * https://github.com/mar10/fancytree/wiki/LicenseInfo
+ *
+ * @version 2.23.0
+ * @date 2017-05-27T20:09:38Z
+ */
+
+;(function($, window, document, undefined) {
+
+"use strict";
+
+// prevent duplicate loading
+// if ( $.ui.fancytree && $.ui.fancytree.version ) {
+//     $.ui.fancytree.warn("Fancytree: duplicate include");
+//     return;
+// }
+
+
+/*******************************************************************************
+ * Private functions and variables
+ */
+/*
+function _assert(cond, msg){
+	msg = msg || "";
+	if(!cond){
+		$.error("Assertion failed " + msg);
+	}
+}
+*/
+
+/*******************************************************************************
+ * Private functions and variables
+ */
+$.ui.fancytree.registerExtension({
+	name: "columnview",
+	version: "2.23.0",
+	// Default options for this extension.
+	options: {
+	},
+	// Overide virtual methods for this extension.
+	// `this`       : is this extension object
+	// `this._base` : the Fancytree instance
+	// `this._super`: the virtual function that was overriden (member of prev. extension or Fancytree)
+	treeInit: function(ctx){
+		var $tdFirst, $ul,
+			tree = ctx.tree,
+			$table = tree.widget.element;
+
+		tree.tr = $("tbody tr", $table)[0];
+		tree.columnCount = $(">td", tree.tr).length;
+		// Perform default behavior
+		this._superApply(arguments);
+		// Standard Fancytree created a root <ul>. Now move this into first table cell
+		$ul = $(tree.rootNode.ul);
+		$tdFirst = $(">td", tree.tr).eq(0);
+
+		$ul.removeClass("fancytree-container");
+		$ul.removeAttr("tabindex");
+		tree.$container = $table;
+		$table.addClass("fancytree-container fancytree-ext-columnview");
+		$table.attr("tabindex", "0");
+
+		$tdFirst.empty();
+		$ul.detach().appendTo($tdFirst);
+
+		// Force some required options
+		tree.widget.options.autoCollapse = true;
+//      tree.widget.options.autoActivate = true;
+		tree.widget.options.toggleEffect = false;
+		tree.widget.options.clickFolderMode = 1;
+
+		// Make sure that only active path is expanded when a node is activated:
+		$table.bind("fancytreeactivate", function(event, data){
+			var i, tdList,
+				node = data.node,
+				tree = data.tree,
+				level = node.getLevel();
+
+			tree._callHook("nodeCollapseSiblings", node);
+			// Clear right neighbours
+			if(level <= tree.columnCount){
+				tdList = $(">td", tree.tr);
+				for(i=level; i<tree.columnCount; i++){
+					tdList.eq(i).empty();
+				}
+			}
+			// Expand nodes on activate, so we populate the right neighbor cell
+			if(!node.expanded && (node.children || node.lazy)) {
+				node.setExpanded();
+			}
+		// Adjust keyboard behaviour:
+		}).bind("fancytreekeydown", function(event, data){
+			var next = null,
+				node = data.node || data.tree.getFirstChild();
+			switch(event.which){
+			case $.ui.keyCode.DOWN:
+				next = node.getNextSibling();
+				if( next ){
+					next.setFocus();
+				}
+				return false;
+			case $.ui.keyCode.LEFT:
+				next = node.getParent();
+				if( next ){
+					next.setFocus();
+				}
+				return false;
+			case $.ui.keyCode.UP:
+				next = node.getPrevSibling();
+				if( next ){
+					next.setFocus();
+				}
+				return false;
+			}
+		});
+	},
+	nodeRender: function(ctx, force, deep, collapsed, _recursive) {
+		// Render standard nested <ul> - <li> hierarchy
+		this._super(ctx, force, deep, collapsed, _recursive);
+		// Remove expander and add a trailing triangle instead
+		var level, $tdChild, $ul,
+			tree = ctx.tree,
+			node = ctx.node,
+			$span = $(node.span);
+
+		$span.find("span.fancytree-expander").remove();
+		if(node.hasChildren() !== false && !$span.find("span.fancytree-cv-right").length){
+			$span.append($("<span class='fancytree-icon fancytree-cv-right'>"));
+		}
+		// Move <ul> with children into the appropriate <td>
+		if(node.ul){
+			node.ul.style.display = ""; // might be hidden if RIGHT was pressed
+			level = node.getLevel();
+			if(level < tree.columnCount){
+				$tdChild = $(">td", tree.tr).eq(level);
+				$ul = $(node.ul).detach();
+				$tdChild.empty().append($ul);
+			}
+		}
+	}
+});
+}(jQuery, window, document));