230 lines
8.6 KiB
HTML
230 lines
8.6 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Simulating Input Events</title>
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<!-- Copyright 1998-2017 by Northwoods Software Corporation. -->
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<meta charset="UTF-8">
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<script src="../release/go.js"></script>
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<script src="../assets/js/goSamples.js"></script> <!-- this is only for the GoJS Samples framework -->
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<script src="Robot.js"></script>
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<script id="code">
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var robot; // this global variable will hold an instance of the Robot class for myDiagram
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function init() {
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if (window.goSamples) goSamples(); // init for these samples -- you don't need to call this
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var $ = go.GraphObject.make; // for conciseness in defining templates
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function showProperties(e, obj) { // executed by ContextMenuButton
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var node = obj.part.adornedPart;
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var msg = "Context clicked: " + node.data.key + ". ";
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msg += "Selection includes:";
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myDiagram.selection.each(function(part) {
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msg += " " + part.toString();
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});
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document.getElementById("myStatus").textContent = msg;
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}
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function nodeClicked(e, obj) { // executed by click and doubleclick handlers
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var evt = e.copy();
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var node = obj.part;
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var type = evt.clickCount === 2 ? "Double-Clicked: " : "Clicked: ";
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var msg = type + node.data.key + ". ";
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document.getElementById("myStatus").textContent = msg;
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}
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myDiagram =
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$(go.Diagram, "myDiagramDiv", // must name or refer to the DIV HTML element
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{
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allowDrop: true, // must be true to accept drops from the Palette
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nodeTemplate:
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$(go.Node, "Auto",
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{
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click: nodeClicked,
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doubleClick: nodeClicked,
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contextMenu:
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$(go.Adornment, "Vertical",
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$("ContextMenuButton",
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$(go.TextBlock, "Properties"),
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{ click: showProperties })
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)
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},
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$(go.Shape, "Rectangle",
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{ fill: "lightgray" },
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{ portId: "", fromLinkable: true, toLinkable: true, cursor: "pointer" }),
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$(go.TextBlock,
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{ margin: 3 },
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new go.Binding("text", "key"))),
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model: new go.GraphLinksModel([
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{ key: "Lambda" },
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{ key: "Mu" }
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], [
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{ from: "Lambda", to: "Mu" }
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]),
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"undoManager.isEnabled": true
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});
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// a shared Robot that can be used by all commands for this one Diagram
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robot = new Robot(myDiagram); // defined in Robot.js
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// initialize the Palette that is on the left side of the page
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myPalette =
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$(go.Palette, "myPaletteDiv", // must name or refer to the DIV HTML element
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{
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nodeTemplate: myDiagram.nodeTemplate,
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model: new go.GraphLinksModel([ // specify the contents of the Palette
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{ key: "Alpha" },
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{ key: "Beta" },
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{ key: "Gamma" },
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{ key: "Delta" }
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])
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});
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}
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function dragFromPalette() {
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// simulate a drag-and-drop between Diagrams:
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var dragdrop = { sourceDiagram: myPalette, targetDiagram: myDiagram };
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robot.mouseDown(5, 5, 0, dragdrop); // this should be where the Alpha node is in the source myPalette
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robot.mouseMove(60, 60, 100, dragdrop);
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robot.mouseUp(100, 100, 200, dragdrop); // this is where the node will be dropped in the target myDiagram
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// If successful in dragging a node from the Palette into the Diagram,
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// the DraggingTool will perform a transaction.
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}
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function copyNode() {
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var alpha = myDiagram.findNodeForKey("Alpha");
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if (alpha === null) return;
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var loc = alpha.actualBounds.center;
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var options = { control: true, alt: true };
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// Simulate a mouse drag to move the Alpha node:
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robot.mouseDown(loc.x, loc.y, 0, options);
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robot.mouseMove(loc.x+80, loc.y+50, 50, options);
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robot.mouseMove(loc.x+20, loc.y+100, 100, options);
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robot.mouseUp(loc.x+20, loc.y+100, 150, options);
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// If successful, will have made a copy of the "Alpha" node below it.
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// Alternatively you could copy the Node using commands:
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// myDiagram.commandHandler.copySelection();
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// myDiagram.commandHandler.pasteSelection(new go.Point(loc.x+20, loc.y+100));
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}
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function dragSelectNodes() {
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var alpha = myDiagram.findNodeForKey("Alpha");
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if (alpha === null) return;
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var alpha2 = myDiagram.findNodeForKey("Alpha2");
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if (alpha2 === null) return;
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var coll = new go.Set();
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coll.add(alpha);
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coll.add(alpha2);
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var area = myDiagram.computePartsBounds(coll);
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area.inflate(30, 30);
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// Simulate dragging in the background around the two Alpha nodes.
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// This uses timestamps to pretend to wait a while to avoid activating the PanningTool.
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// Hopefully this mouse down does not hit any Part, but in the Diagram's background:
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robot.mouseDown(area.x, area.y, 0);
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// NOTE that this mouseMove timestamp needs to be > myDiagram.toolManager.dragSelectingTool.delay:
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robot.mouseMove(area.centerX, area.centerY, 200);
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robot.mouseUp(area.right, area.bottom, 250);
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// Now should have selected both "Alpha" and "Alpha2" using the DragSelectingTool.
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// Alternatively you could select the Nodes programmatically:
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// alpha.isSelected = true;
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// alpha2.isSelected = true;
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}
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function clickContextMenu() {
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var alpha = myDiagram.findNodeForKey("Alpha");
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if (alpha === null) return;
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var loc = alpha.location;
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// right click on Alpha
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robot.mouseDown(loc.x + 10, loc.y + 10, 0, { right: true });
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robot.mouseUp(loc.x + 10, loc.y + 10, 100, { right: true });
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// Alternatively you could invoke the Show Context Menu command directly:
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// myDiagram.commandHandler.showContextMenu(alpha);
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// move mouse over first context menu button
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robot.mouseMove(loc.x + 20, loc.y + 20, 200);
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// and click that button
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robot.mouseDown(loc.x + 20, loc.y + 20, 300);
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robot.mouseUp(loc.x + 20, loc.y + 20, 350);
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// This should have invoked the ContextMenuButton's click function, showProperties,
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// which should have put a green message in the myStatus DIV.
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}
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function deleteSelection() {
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// Simulate clicking the "Del" key:
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robot.keyDown("Del");
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robot.keyUp("Del");
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// Now the selected Nodes are deleted.
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// Alternatively you could invoke the Delete command directly:
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// myDiagram.commandHandler.deleteSelection();
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}
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function clickLambda() {
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var lambda = myDiagram.findNodeForKey("Lambda");
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if (lambda === null) return;
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var loc = lambda.location;
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// click on Lambda
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robot.mouseDown(loc.x + 10, loc.y + 10, 0, { });
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robot.mouseUp(loc.x + 10, loc.y + 10, 100, { });
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// Clicking is just a sequence of input events.
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// There is no command in CommandHandler for such a basic gesture.
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}
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function doubleClickLambda() {
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var lambda = myDiagram.findNodeForKey("Lambda");
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if (lambda === null) return;
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var loc = lambda.location;
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// double-click on Lambda
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robot.mouseDown(loc.x + 10, loc.y + 10, 0, { });
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robot.mouseUp(loc.x + 10, loc.y + 10, 100, { });
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robot.mouseDown(loc.x + 10, loc.y + 10, 200, { clickCount: 2 });
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robot.mouseUp(loc.x + 10, loc.y + 10, 300, { clickCount: 2 });
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}
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</script>
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</head>
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<body onload="init()">
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<div id="sample">
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<div style="width:100%; white-space:nowrap;">
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<span style="display: inline-block; vertical-align: top; width:80px">
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<div id="myPaletteDiv" style="border: solid 1px black; height: 400px"></div>
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</span>
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<span style="display: inline-block; vertical-align: top; width:80%">
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<div id="myDiagramDiv" style="border: solid 1px black; height: 400px"></div>
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</span>
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</div>
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<p>
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To simulate mouse events the buttons below use the <b>Robot</b> class that is defined in <a href="Robot.js">Robot.js</a>.
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</p>
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<p>
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Click these buttons in order from top to bottom:<br />
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<button onclick="dragFromPalette()">Drag From Palette</button><br />
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<button onclick="copyNode()">Copy Node</button><br />
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<button onclick="dragSelectNodes()">Drag Select Nodes</button><br />
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<button onclick="clickContextMenu()">Context Menu Click Alpha</button><br />
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<button onclick="deleteSelection()">Delete</button><br />
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</p>
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<p>Clicking operations:<br />
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<button onclick="clickLambda()">Click Lambda</button><br />
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<button onclick="doubleClickLambda()">Double Click Lambda</button><br />
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</p>
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<p>
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The <a>UndoManager</a> has been enabled in the main Diagram.
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Give focus to the Diagram and you can undo everything and then redo everything to confirm what was executed by the Robot.
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</p>
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<div id="myStatus" style="color:green"></div>
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</div>
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</body>
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</html>
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