[英]How to add Node data and Link data dynamically in GoJS?
myDiagram.model = new go.GraphLinksModel(
[
{ key: "Alpha", color: "lightblue" },
{ key: "Delta", color: "pink" }
],
[
{ from: "Alpha", to: "Alpha" },
{ from: "Delta", to: "Alpha" }
]);
I need to add more values dynamically, how should I do this?我需要动态添加更多值,我该怎么做?
Node data (source: GoJS docs, class Model ):节点数据(来源: GoJS 文档,模型类):
If you want to add or remove node data from the nodeDataArray, call the addNodeData or removeNodeData methods.
如果要从 nodeDataArray 添加或删除节点数据,请调用addNodeData或removeNodeData方法。
Link data (source: GoJS docs, class GraphLinksModel ):链接数据(来源: GoJS 文档,类 GraphLinksModel ):
If you want to add or remove link data from the linkDataArray, call the addLinkData or removeLinkData methods.
如果要从 linkDataArray 添加或删除链接数据,请调用addLinkData或removeLinkData方法。 If you want to modify the node a link connects to, call the setFromKeyForLinkData and/or setToKeyForLinkData methods.
如果要修改链接连接到的节点,请调用setFromKeyForLinkData和/或setToKeyForLinkData方法。
An example of dynamically adding from an object list to a GraphLinksModel :从对象列表动态添加到GraphLinksModel的示例:
var model = new go.GraphLinksModel();
for(let id = 1; id < node_list.length; id++){
model.addNodeData( { key: node_list[id].getNodeID(), color: "lightblue" } );
model.addLinkData( { from: node_list[id].getPreviousNode(), to: node_list[id].getNodeID() } );
}
myDiagram.model = model;
console.log(model.nodeDataArray); //to see data
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