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85 lines
2.9 KiB
HTML
Executable File
85 lines
2.9 KiB
HTML
Executable File
<!DOCTYPE html>
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<html>
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<head>
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<title>HTML Drag and Drop</title>
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<!-- Copyright 1998-2020 by Northwoods Software Corporation. -->
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<meta name="description" content="Drag-and-drop HTML elements into a GoJS Diagram using jQuery." />
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="stylesheet" href="../assets/css/jquery-ui.min.css" />
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<script src="../assets/js/jquery.min.js"></script>
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<script src="../assets/js/jquery-ui.min.js"></script>
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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 id="code">
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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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// Note that we do not use $ here as an alias for go.GraphObject.make because we are using $ for jQuery
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var $$ = go.GraphObject.make; // for conciseness in defining templates
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myDiagram =
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$$(go.Diagram, "myDiagramDiv", // must name or refer to the DIV HTML element
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{ initialPosition: new go.Point(0, 0), "animationManager.isEnabled": false });
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myDiagram.nodeTemplate =
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$$(go.Node, "Auto",
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{ locationSpot: go.Spot.Center },
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new go.Binding("location", "loc", go.Point.parse),
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$$(go.Shape, "Ellipse",
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{ fill: "white" }),
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$$(go.TextBlock,
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{ margin: 5 },
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new go.Binding("text", "text").makeTwoWay()));
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$("li").draggable({
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stack: "#myDiagramDiv",
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revert: true,
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revertDuration: 0
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});
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$("#myDiagramDiv").droppable({
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activeClass: "ui-state-highlight",
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drop: function(event, ui) {
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var elt = ui.draggable.first();
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var text = elt[0].textContent;
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var x = ui.offset.left - $(this).offset().left;
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var y = ui.offset.top - $(this).offset().top;
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var p = new go.Point(x, y);
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var q = myDiagram.transformViewToDoc(p);
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var model = myDiagram.model;
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model.startTransaction("drop");
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model.addNodeData({
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text: text,
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loc: go.Point.stringify(q)
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});
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model.commitTransaction("drop");
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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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<body onload="init()">
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<div id="sample">
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<div style="width: 100%; display: flex; justify-content: space-between">
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<div id="myItems" style="width: 120px; height: 700px; margin-right: 2px; border: solid 1px black">
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<ul>
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<li>First</li>
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<li>Second</li>
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<li>Third</li>
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<li>Fourth</li>
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<li>Fifth</li>
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</ul>
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</div>
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<div id="myDiagramDiv" style="flex-grow: 1; height: 700px; border: solid 1px black"></div>
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</div>
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<div id ="description">
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<p>
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This demonstrates using jQuery drag-and-drop capability to allow the user to drag HTML list items into a GoJS diagram.
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</p>
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</div>
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</div>
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</body>
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</html>
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