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-/**
- * $Id: mxCompositeLayout.js,v 1.11 2010-01-02 09:45:15 gaudenz Exp $
- * Copyright (c) 2006-2010, JGraph Ltd
- */
-/**
- * Class: mxCompositeLayout
- *
- * Allows to compose multiple layouts into a single layout. The master layout
- * is the layout that handles move operations if another layout than the first
- * element in <layouts> should be used. The <master> layout is not executed as
- * the code assumes that it is part of <layouts>.
- *
- * Example:
- * (code)
- * var first = new mxFastOrganicLayout(graph);
- * var second = new mxParallelEdgeLayout(graph);
- * var layout = new mxCompositeLayout(graph, [first, second], first);
- * layout.execute(graph.getDefaultParent());
- * (end)
- *
- * Constructor: mxCompositeLayout
- *
- * Constructs a new layout using the given layouts. The graph instance is
- * required for creating the transaction that contains all layouts.
- *
- * Arguments:
- *
- * graph - Reference to the enclosing <mxGraph>.
- * layouts - Array of <mxGraphLayouts>.
- * master - Optional layout that handles moves. If no layout is given then
- * the first layout of the above array is used to handle moves.
- */
-function mxCompositeLayout(graph, layouts, master)
-{
- mxGraphLayout.call(this, graph);
- this.layouts = layouts;
- this.master = master;
-};
-
-/**
- * Extends mxGraphLayout.
- */
-mxCompositeLayout.prototype = new mxGraphLayout();
-mxCompositeLayout.prototype.constructor = mxCompositeLayout;
-
-/**
- * Variable: layouts
- *
- * Holds the array of <mxGraphLayouts> that this layout contains.
- */
-mxCompositeLayout.prototype.layouts = null;
-
-/**
- * Variable: layouts
- *
- * Reference to the <mxGraphLayouts> that handles moves. If this is null
- * then the first layout in <layouts> is used.
- */
-mxCompositeLayout.prototype.master = null;
-
-/**
- * Function: moveCell
- *
- * Implements <mxGraphLayout.moveCell> by calling move on <master> or the first
- * layout in <layouts>.
- */
-mxCompositeLayout.prototype.moveCell = function(cell, x, y)
-{
- if (this.master != null)
- {
- this.master.move.apply(this.master, arguments);
- }
- else
- {
- this.layouts[0].move.apply(this.layouts[0], arguments);
- }
-};
-
-/**
- * Function: execute
- *
- * Implements <mxGraphLayout.execute> by executing all <layouts> in a
- * single transaction.
- */
-mxCompositeLayout.prototype.execute = function(parent)
-{
- var model = this.graph.getModel();
-
- model.beginUpdate();
- try
- {
- for (var i = 0; i < this.layouts.length; i++)
- {
- this.layouts[i].execute.apply(this.layouts[i], arguments);
- }
- }
- finally
- {
- model.endUpdate();
- }
-};