gojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
244 lines (228 loc) • 14 kB
HTML
<html>
<head>
<meta charset="UTF-8">
<title>Magnifier</title>
<meta name="description" content="Use a draggable Overview as a kind of magnifying lens." />
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Copyright 1998-2020 by Northwoods Software Corporation. -->
<style type="text/css">
#myOverviewDiv {
display: none;
position: absolute;
background-color: white;
z-index: 300; /* make sure its in front */
border: solid 1px blue;
width: 200px;
height: 200px;
pointer-events: none;
}
</style>
<script src="../release/go.js"></script>
<script src="../assets/js/goSamples.js"></script> <!-- this is only for the GoJS Samples framework -->
<script id="code">
function init() {
if (window.goSamples) goSamples(); // init for these samples -- you don't need to call this
var $ = go.GraphObject.make; // for conciseness in defining templates
myDiagram =
$(go.Diagram, "myDiagramDiv", // the DIV HTML element
{
initialAutoScale: go.Diagram.Uniform,
layout:
$(go.TreeLayout, // use a TreeLayout to position all of the nodes
{
treeStyle: go.TreeLayout.StyleLastParents,
angle: 90,
layerSpacing: 80,
alternateAngle: 0,
alternateAlignment: go.TreeLayout.AlignmentStart,
alternateNodeIndent: 20,
alternateNodeIndentPastParent: 1,
alternateNodeSpacing: 20,
alternateLayerSpacing: 40,
alternateLayerSpacingParentOverlap: 1,
alternatePortSpot: new go.Spot(0, 0.999, 20, 0),
alternateChildPortSpot: go.Spot.Left
})
});
// define Converters to be used for Bindings
function theNationFlagConverter(nation) {
return "https://www.nwoods.com/go/Flags/" + nation.toLowerCase().replace(/\s/g, "-") + "-flag.Png";
}
function theInfoTextConverter(info) {
var str = "";
if (info.title) str += "Title: " + info.title;
if (info.headOf) str += "\n\nHead of: " + info.headOf;
if (typeof info.boss === "number") {
var bossinfo = myDiagram.model.findNodeDataForKey(info.boss);
if (bossinfo !== null) {
str += "\n\nReporting to: " + bossinfo.name;
}
}
return str;
}
// define the Node template
myDiagram.nodeTemplate =
$(go.Node, "Auto",
{ isShadowed: true },
// the outer shape for the node, surrounding the Table
$(go.Shape, "Rectangle",
new go.Binding("fill", "isHighlighted", function(h) { return h ? "red" : "azure"; }).ofObject()),
// a table to contain the different parts of the node
$(go.Panel, "Table",
{ margin: 4, maxSize: new go.Size(150, NaN) },
// the two TextBlocks in column 0 both stretch in width
// but align on the left side
$(go.RowColumnDefinition,
{
column: 0,
stretch: go.GraphObject.Horizontal,
alignment: go.Spot.Left
}),
// the name
$(go.TextBlock,
{
row: 0, column: 0,
maxSize: new go.Size(120, NaN), margin: 2,
font: "bold 8pt sans-serif",
alignment: go.Spot.Top
},
new go.Binding("text", "name")),
// the country flag
$(go.Picture,
{
row: 0, column: 1,
desiredSize: new go.Size(34, 26), margin: 2,
imageStretch: go.GraphObject.Uniform,
alignment: go.Spot.TopRight
},
new go.Binding("source", "nation", theNationFlagConverter)),
// the additional textual information
$(go.TextBlock,
{
row: 1, column: 0, columnSpan: 2,
font: "8pt sans-serif"
},
new go.Binding("text", "", theInfoTextConverter))
) // end Table Panel
); // end Node
// define the Link template, a simple orthogonal line
myDiagram.linkTemplate =
$(go.Link, go.Link.Orthogonal,
{ selectable: false },
$(go.Shape, { stroke: '#222' })); // the default black link shape
// set up the nodeDataArray, describing each person/position
var nodeDataArray = [
{ key: 0, name: "Ban Ki-moon 반기문", nation: "South Korea", title: "Secretary-General of the United Nations", headOf: "Secretariat" },
{ key: 1, boss: 0, name: "Patricia O'Brien", nation: "Ireland", title: "Under-Secretary-General for Legal Affairs and United Nations Legal Counsel", headOf: "Office of Legal Affairs" },
{ key: 3, boss: 1, name: "Peter Taksøe-Jensen", nation: "Denmark", title: "Assistant Secretary-General for Legal Affairs" },
{ key: 9, boss: 3, name: "Other Employees" },
{ key: 4, boss: 1, name: "Maria R. Vicien - Milburn", nation: "Argentina", title: "General Legal Division Director", headOf: "General Legal Division" },
{ key: 10, boss: 4, name: "Other Employees" },
{ key: 5, boss: 1, name: "Václav Mikulka", nation: "Czech Republic", title: "Codification Division Director", headOf: "Codification Division" },
{ key: 11, boss: 5, name: "Other Employees" },
{ key: 6, boss: 1, name: "Sergei Tarassenko", nation: "Russia", title: "Division for Ocean Affairs and the Law of the Sea Director", headOf: "Division for Ocean Affairs and the Law of the Sea" },
{ key: 12, boss: 6, name: "Alexandre Tagore Medeiros de Albuquerque", nation: "Brazil", title: "Chairman of the Commission on the Limits of the Continental Shelf", headOf: "The Commission on the Limits of the Continental Shelf" },
{ key: 17, boss: 12, name: "Peter F. Croker", nation: "Ireland", title: "Chairman of the Committee on Confidentiality", headOf: "The Committee on Confidentiality" },
{ key: 31, boss: 17, name: "Michael Anselme Marc Rosette", nation: "Seychelles", title: "Vice Chairman of the Committee on Confidentiality" },
{ key: 32, boss: 17, name: "Kensaku Tamaki", nation: "Japan", title: "Vice Chairman of the Committee on Confidentiality" },
{ key: 33, boss: 17, name: "Osvaldo Pedro Astiz", nation: "Argentina", title: "Member of the Committee on Confidentiality" },
{ key: 34, boss: 17, name: "Yuri Borisovitch Kazmin", nation: "Russia", title: "Member of the Committee on Confidentiality" },
{ key: 18, boss: 12, name: "Philip Alexander Symonds", nation: "Australia", title: "Chairman of the Committee on provision of scientific and technical advice to coastal States", headOf: "Committee on provision of scientific and technical advice to coastal States" },
{ key: 35, boss: 18, name: "Emmanuel Kalngui", nation: "Cameroon", title: "Vice Chairman of the Committee on provision of scientific and technical advice to coastal States" },
{ key: 36, boss: 18, name: "Sivaramakrishnan Rajan", nation: "India", title: "Vice Chairman of the Committee on provision of scientific and technical advice to coastal States" },
{ key: 37, boss: 18, name: "Francis L. Charles", nation: "Trinidad and Tobago", title: "Member of the Committee on provision of scientific and technical advice to costal States" },
{ key: 38, boss: 18, name: "Mihai Silviu German", nation: "Romania", title: "Member of the Committee on provision of scientific and technical advice to costal States" },
{ key: 19, boss: 12, name: "Lawrence Folajimi Awosika", nation: "Nigeria", title: "Vice Chairman of the Commission on the Limits of the Continental Shelf" },
{ key: 20, boss: 12, name: "Harald Brekke", nation: "Norway", title: "Vice Chairman of the Commission on the Limits of the Continental Shelf" },
{ key: 21, boss: 12, name: "Yong-Ahn Park", nation: "South Korea", title: "Vice Chairman of the Commission on the Limits of the Continental Shelf" },
{ key: 22, boss: 12, name: "Abu Bakar Jaafar", nation: "Malaysia", title: "Chairman of the Editorial Committee", headOf: "Editorial Committee" },
{ key: 23, boss: 12, name: "Galo Carrera Hurtado", nation: "Mexico", title: "Chairman of the Training Committee", headOf: "Training Committee" },
{ key: 24, boss: 12, name: "Indurlall Fagoonee", nation: "Mauritius", title: "Member of the Commission on the Limits of the Continental Shelf" },
{ key: 25, boss: 12, name: "George Jaoshvili", nation: "Georgia", title: "Member of the Commission on the Limits of the Continental Shelf" },
{ key: 26, boss: 12, name: "Wenzhang Lu", nation: "China", title: "Member of the Commission on the Limits of the Continental Shelf" },
{ key: 27, boss: 12, name: "Isaac Owusu Orudo", nation: "Ghana", title: "Member of the Commission on the Limits of the Continental Shelf" },
{ key: 28, boss: 12, name: "Fernando Manuel Maia Pimentel", nation: "Portugal", title: "Member of the Commission on the Limits of the Continental Shelf" },
{ key: 7, boss: 1, name: "Renaud Sorieul", nation: "France", title: "International Trade Law Division Director", headOf: "International Trade Law Division" },
{ key: 13, boss: 7, name: "Other Employees" },
{ key: 8, boss: 1, name: "Annebeth Rosenboom", nation: "Netherlands", title: "Treaty Section Chief", headOf: "Treaty Section" },
{ key: 14, boss: 8, name: "Bradford Smith", nation: "United States", title: "Substantive Legal Issues Head", headOf: "Substantive Legal Issues" },
{ key: 29, boss: 14, name: "Other Employees" },
{ key: 15, boss: 8, name: "Andrei Kolomoets", nation: "Russia", title: "Technical/Legal Issues Head", headOf: "Technical/Legal Issues" },
{ key: 30, boss: 15, name: "Other Employees" },
{ key: 16, boss: 8, name: "Other Employees" },
{ key: 2, boss: 0, name: "Heads of Other Offices/Departments" }
];
// create the Model with data for the tree, and assign to the Diagram
myDiagram.model =
$(go.TreeModel,
{
nodeParentKeyProperty: "boss", // this property refers to the parent node data
nodeDataArray: nodeDataArray
});
}
var myOverview = null;
function showMagnifier() {
var myOverviewDiv = document.getElementById("myOverviewDiv");
if (myOverview === null || myOverviewDiv.style.display === "none") {
// show DIV
myOverviewDiv.style.display = "inline";
myOverviewDiv.style.left = "0px";
myOverviewDiv.style.top = (myDiagram.div.scrollHeight - myOverviewDiv.scrollHeight) + "px";
if (myOverview !== null) return;
// create Overview
myOverview =
go.GraphObject.make(go.Overview, myOverviewDiv, // the HTML DIV element for the Overview
{
scrollMode: go.Diagram.InfiniteScroll,
"box.visible": false,
observed: myDiagram, // tell it which Diagram to show
// disable normal Overview functionality to make it act as a magnifying glass:
initialScale: 2, // zoom in even more than normal
autoScale: go.Diagram.None, // don't show whole observed Diagram
hasHorizontalScrollbar: false, // don't show any scrollbars
hasVerticalScrollbar: false
});
// disable all mouse-down tools
myOverview.toolManager.mouseDownTools.each(function(t) { t.isEnabled = false; });
// handle mouse moves within the Overview by redirecting the events to the myDiagram
myOverview.doMouseMove = function() {
var pt = myOverview.lastInput.documentPoint.copy();
var e = myDiagram.lastInput;
e.documentPoint = pt;
e.viewPoint = myDiagram.transformDocToView(e.documentPoint);
myDiagram.toolManager.doMouseMove();
};
// implement the magnifying glass functionality, to have the Overview show part of the Diagram where the mouse is
myDiagram.toolManager.doMouseMove = function() {
go.ToolManager.prototype.doMouseMove.call(myDiagram.toolManager);
var myOverviewDiv = document.getElementById("myOverviewDiv");
if (myOverviewDiv.style.display !== "none") {
var e = myDiagram.lastInput;
var osize = myOverview.viewportBounds.size;
myOverview.position = new go.Point(e.documentPoint.x - osize.width / 2, e.documentPoint.y - osize.height / 2);
myOverviewDiv.style.left = (e.viewPoint.x - myOverviewDiv.scrollWidth / 2) + "px";
myOverviewDiv.style.top = (e.viewPoint.y - myOverviewDiv.scrollHeight / 2) + "px";
}
};
} else {
// hide DIV
myOverviewDiv.style.display = "none";
}
}
</script>
</head>
<body onload="init()">
<div id="sample" style="position: relative;">
<div id="myDiagramDiv" style="background-color: white; border: solid 1px black; width: 100%; height: 700px"></div>
<div id="myOverviewDiv"></div> <!-- Styled in a <style> tag at the top of the html page -->
<label><input type="checkbox" onclick="showMagnifier()" />Show Magnifier</label>
<p>
This variation of the <a href="orgChartStatic.html">Org Chart (Static)</a> sample
uses the <a>Overview</a> diagram as a magnifying glass.
The primary behavior of showing an observed Diagram is kept, but all other behaviors
of the Overview are disabled.
</p>
</div>
</body>
</html>