mind map 思维导图
<!DOCTYPE html>
<html> <head>
<meta charset="UTF-8">
<title>Mind Map</title>
<meta name="description"
content="A mind map editor, showing how subtrees can be moved, copied, deleted, and laid out." />
<meta name="viewport" content="width=device-width, initial-scale=1">
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<script id="code">
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"commandHandler.copiesTree": true,
"commandHandler.copiesParentKey": true,
"commandHandler.deletesTree": true,
"draggingTool.dragsTree": true, //拖拽？
"undoManager.isEnabled": false, // 支持 Ctrl-Z 和 Ctrl-Y 操作
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// 定义装饰中此按钮的单击行为
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$(go.TextBlock, "-", // 按钮的内容
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alignmentFocus: go.Spot.Right,
click: addNodeAndLink // 定义装饰中此按钮的单击行为
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$(go.TextBlock, "+", // 按钮的内容
{
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)
); // 上下文菜单允许用户更改字体大小和粗细，
// 并从该节点开始执行有限的树形布局
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adorn.diagram.startTransaction("Subtree Layout");
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); myDiagram.addDiagramListener("SelectionMoved", function (e) {
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load();
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var adorn = obj.part;
var diagram = adorn.diagram;
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var olddata = oldnode.data;
// 将笔刷和方向复制到新的节点数据
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text: "idea",
brush: olddata.brush,
dir: olddata.dir,
parent: olddata.key
};
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layoutAll(); //添加完毕 整理布局
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setsChildPortSpot: false
});
layout.doLayout(parts);
} function layoutAll() {
var root = myDiagram.findNodeForKey();
if (root === null) return;
myDiagram.startTransaction("Layout");
// 将节点和链接分为两个集合
var rightward = new go.Set( /*go.Part*/ );
var leftward = new go.Set( /*go.Part*/ );
root.findLinksConnected().each(function (link) {
var child = link.toNode;
if (child.data.dir === "left") {
leftward.add(root); // 根节点在两个集合中
leftward.add(link);
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rightward.add(root); // 根节点在两个集合中
rightward.add(link);
rightward.addAll(child.findTreeParts());
}
});
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layoutAngle(rightward, );
layoutAngle(leftward, );
myDiagram.commitTransaction("Layout");
} // 以JSON格式显示图的模型
function save() {
document.getElementById("mySavedModel").value = myDiagram.model.toJson();
myDiagram.isModified = false;
} function load() {
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"class": "TreeModel",
"nodeDataArray": []
};
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myDiagram.model = go.Model.fromJson(document.getElementById("mySavedModel").value);
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</script>
</head> <body onload="init()">
<div id="sample">
<div id="myDiagramDiv" style="border: solid 1px black; width:100%; height:300px;"></div>
<p>
A mind map is a kind of spider diagram that organizes information around a central concept, with connecting
branches.
</p>
<p>
The layout is controlled by moving the nodes closest to the tree's root node.
When one of these nodes is moved horizontally to the other side of the root,
all of its children will be sent to <a>Layout.doLayout</a> with a new direction,
causing text to always be moved outwards from the root. The <b>spotConverter</b> function is used to manage
<a>GraphObject.fromSpot</a> and <a>GraphObject.toSpot</a> for nodes manually, so the
<a>TreeLayout.setsPortSpot</a> and <a>TreeLayout.setsChildPortSpot</a>
properties are set to false so that laying out the diagram will not overwrite the values.
</p>
<p>
When a node is deleted the <a>CommandHandler.deletesTree</a> property ensures that
all of its children are deleted with it. When a node is dragged the <a>DraggingTool.dragsTree</a>
property ensures that all its children are dragged with it.
Both of these are set during the the Diagram's initalization.
</p>
<p>
Node templates also have a <a>Part.selectionAdornmentTemplate</a> defined to allow for new nodes to be
created and a <a>GraphObject.contextMenu</a> with additional commands.
</p> <button id="SaveButton" onclick="save()">Save</button>
<button onclick="load()">Load</button>
<button onclick="layoutAll()">Layout</button>
Diagram Model saved in JSON format:
<br />
<textarea id="mySavedModel" style="width:100%;height:400px">
{ "class": "TreeModel",
"nodeDataArray": [
{"key":, "text":"Mind Map", "loc":"-400 9"},
{"key":, "parent":, "text":"Getting more time", "brush":"skyblue", "dir":"right", "loc":"-315.47607421875 -14.134118652343766"},
{"key":, "parent":, "text":"Wake up early", "brush":"skyblue", "dir":"right", "loc":"-180.62158203125 -41.64627685546877"},
{"key":, "parent":, "text":"Delegate", "brush":"skyblue", "dir":"right", "loc":"-180.62158203125 -14.13411865234377"},
{"key":, "parent":, "text":"Simplify", "brush":"skyblue", "dir":"right", "loc":"-180.62158203125 13.378039550781233"},
{"key":, "parent":, "text":"More effective use", "brush":"darkseagreen", "dir":"right", "loc":"-315.47607421875 54.64627685546874"},
{"key":, "parent":, "text":"Planning", "brush":"darkseagreen", "dir":"right", "loc":"-180.28515625 40.890197753906236"},
{"key":, "parent":, "text":"Priorities", "brush":"darkseagreen", "dir":"right", "loc":"-105.87939453125 27.134118652343737"},
{"key":, "parent":, "text":"Ways to focus", "brush":"darkseagreen", "dir":"right", "loc":"-105.87939453125 54.646276855468734"},
{"key":, "parent":, "text":"Goals", "brush":"darkseagreen", "dir":"right", "loc":"-180.28515625 68.40235595703125"}
]}
</textarea>
</div>
</body> </html>
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