last demo import - cleaned
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static/mxgraph/examples/showregion.html
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161
static/mxgraph/examples/showregion.html
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<!--
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Copyright (c) 2006-2013, JGraph Ltd
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Showregion example for mxGraph. This example demonstrates using a custom
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rubberband handler to show the selected region in a new window.
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-->
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<html>
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<head>
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<title>Showregion example for mxGraph</title>
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<style type="text/css">
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body div.mxPopupMenu {
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-webkit-box-shadow: 3px 3px 6px #C0C0C0;
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-moz-box-shadow: 3px 3px 6px #C0C0C0;
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box-shadow: 3px 3px 6px #C0C0C0;
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background: white;
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position: absolute;
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border: 3px solid #e7e7e7;
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padding: 3px;
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}
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body table.mxPopupMenu {
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border-collapse: collapse;
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margin: 0px;
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}
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body tr.mxPopupMenuItem {
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color: black;
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cursor: default;
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}
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body td.mxPopupMenuItem {
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padding: 6px 60px 6px 30px;
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font-family: Arial;
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font-size: 10pt;
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}
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body td.mxPopupMenuIcon {
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background-color: white;
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padding: 0px;
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}
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body tr.mxPopupMenuItemHover {
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background-color: #eeeeee;
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color: black;
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}
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table.mxPopupMenu hr {
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border-top: solid 1px #cccccc;
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}
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table.mxPopupMenu tr {
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font-size: 4pt;
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}
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</style>
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<!-- Sets the basepath for the library if not in same directory -->
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<script type="text/javascript">
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mxBasePath = '../src';
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</script>
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<!-- Loads and initializes the library -->
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<script type="text/javascript" src="../src/js/mxClient.js"></script>
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<!-- Example code -->
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<script type="text/javascript">
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// Program starts here. Creates a sample graph in the
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// DOM node with the specified ID. This function is invoked
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// from the onLoad event handler of the document (see below).
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function main(container)
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{
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// Checks if the browser is supported
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if (!mxClient.isBrowserSupported())
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{
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// Displays an error message if the browser is not supported.
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mxUtils.error('Browser is not supported!', 200, false);
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}
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else
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{
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// Disables built-in context menu
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mxEvent.disableContextMenu(document.body);
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// Changes some default colors
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mxConstants.HANDLE_FILLCOLOR = '#99ccff';
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mxConstants.HANDLE_STROKECOLOR = '#0088cf';
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mxConstants.VERTEX_SELECTION_COLOR = '#00a8ff';
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// Creates the graph inside the given container
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var graph = new mxGraph(container);
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// Enables rubberband selection
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var rubberband = new mxRubberband(graph);
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rubberband.isForceRubberbandEvent = function(me)
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{
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return mxRubberband.prototype.isForceRubberbandEvent.apply(this, arguments) || mxEvent.isPopupTrigger(me.getEvent());
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}
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// Defines a new popup menu for region selection in the rubberband handler
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rubberband.popupMenu = new mxPopupMenu(function(menu, cell, evt)
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{
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var rect = new mxRectangle(rubberband.x, rubberband.y, rubberband.width, rubberband.height);
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menu.addItem('Show this', null, function()
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{
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rubberband.popupMenu.hideMenu();
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var bounds = graph.getGraphBounds();
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mxUtils.show(graph, null, bounds.x - rubberband.x, bounds.y - rubberband.y, rubberband.width, rubberband.height);
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});
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});
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var rubberbandMouseDown = rubberband.mouseDown;
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rubberband.mouseDown = function(sender, me)
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{
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this.popupMenu.hideMenu();
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rubberbandMouseDown.apply(this, arguments);
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};
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var rubberbandMouseUp = rubberband.mouseUp;
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rubberband.mouseUp = function(sender, me)
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{
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if (this.div != null && mxEvent.isPopupTrigger(me.getEvent()))
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{
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if (!graph.popupMenuHandler.isMenuShowing())
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{
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var origin = mxUtils.getScrollOrigin();
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this.popupMenu.popup(me.getX() + origin.x + 1, me.getY() + origin.y + 1, null, me.getEvent());
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this.reset();
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}
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}
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else
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{
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rubberbandMouseUp.apply(this, arguments);
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}
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};
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// Gets the default parent for inserting new cells. This
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// is normally the first child of the root (ie. layer 0).
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var parent = graph.getDefaultParent();
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// Adds cells to the model in a single step
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graph.getModel().beginUpdate();
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try
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{
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var v1 = graph.insertVertex(parent, null, 'Hello,', 20, 20, 80, 30);
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var v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
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var e1 = graph.insertEdge(parent, null, '', v1, v2);
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}
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finally
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{
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// Updates the display
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graph.getModel().endUpdate();
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}
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}
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};
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</script>
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</head>
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<!-- Page passes the container for the graph to the program -->
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<body onload="main(document.getElementById('graphContainer'))">
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<!-- Creates a container for the graph with a grid wallpaper -->
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<div id="graphContainer"
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style="overflow:hidden;width:321px;height:241px;background:url('editors/images/grid.gif');cursor:default;">
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</div>
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Use the right mouse button to select a region of the diagram and select <i>Show this</i>.
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</body>
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</html>
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