mind-map/dist/js/chunk-2d0f09d5.js

(window["webpackJsonp"]=window["webpackJsonp"]||[]).push([["chunk-2d0f09d5"],{"9cb7":function(s,e,n){"use strict";n.r(e);var a=function(){var s=this;s._self._c;return s._m(0)},d=[function(){var s=this,e=s._self._c;return e("div",[e("h1",[s._v("如何通过代码激活节点")]),e("p",[s._v("默认可以通过鼠标单击节点来激活单个节点，鼠标拖拽或按住Ctrl键单击进行激活多个节点，那么如何通过代码来激活单个或多个节点，达到和鼠标操作一样的效果呢，请往下看。")]),e("h2",[s._v("激活单个节点")]),e("p",[s._v("如果已经获取到节点实例，那么直接调用该节点实例的"),e("code",[s._v("active()")]),s._v("方法即可：")]),e("pre",{staticClass:"hljs"},[e("code",[s._v("node.active()\n")])]),e("p",[s._v("如果只知道节点"),e("code",[s._v("uid")]),s._v("，那么可以先获取节点实例，再调激活的方法：")]),e("pre",{staticClass:"hljs"},[e("code",[e("span",{staticClass:"hljs-keyword"},[s._v("const")]),s._v(" node = mindMap.renderer.findNodeByUid("),e("span",{staticClass:"hljs-string"},[s._v("'uid'")]),s._v(")\nnode.active()\n")])]),e("h2",[s._v("激活多个节点")]),e("p",[s._v("如果要激活多个节点，在"),e("code",[s._v("v0.10.6")]),s._v("版本以前需要这么做：")]),e("pre",{staticClass:"hljs"},[e("code",[s._v(";[id1, id2, id3].forEach("),e("span",{staticClass:"hljs-function"},[e("span",{staticClass:"hljs-params"},[s._v("id")]),s._v(" =>")]),s._v(" {\n    "),e("span",{staticClass:"hljs-comment"},[s._v("// 获取节点实例")]),s._v("\n    "),e("span",{staticClass:"hljs-keyword"},[s._v("const")]),s._v(" node = mindMap.renderer.findNodeByUid(id)\n    "),e("span",{staticClass:"hljs-comment"},[s._v("// 手动派发节点激活前事件")]),s._v("\n    mindMap.emit(\n        "),e("span",{staticClass:"hljs-string"},[s._v("'before_node_active'")]),s._v(",\n        node,\n        mindMap.renderer.activeNodeList\n    )\n    "),e("span",{staticClass:"hljs-comment"},[s._v("// 激活节点，并将该节点添加到激活节点列表里")]),s._v("\n    mindMap.renderer.addNodeToActiveList(node, "),e("span",{staticClass:"hljs-literal"},[s._v("true")]),s._v(")\n    "),e("span",{staticClass:"hljs-comment"},[s._v("// 手动派发节点激活事件")]),s._v("\n    mindMap.renderer.emitNodeActiveEvent(node)\n})\n")])]),e("p",[s._v("在"),e("code",[s._v("v0.10.6+")]),s._v("版本，"),e("code",[s._v("render")]),s._v("实例新增了激活多个节点的方法，所以可以直接使用：")]),e("pre",{staticClass:"hljs"},[e("code",[e("span",{staticClass:"hljs-keyword"},[s._v("const")]),s._v(" nodeList = [id1, id2, id3, id4].map("),e("span",{staticClass:"hljs-function"},[e("span",{staticClass:"hljs-params"},[s._v("id")]),s._v(" =>")]),s._v(" {\n    "),e("span",{staticClass:"hljs-keyword"},[s._v("return")]),s._v(" mindMap.renderer.findNodeByUid(id)\n})\nmindMap.renderer.activeMultiNode(nodeList)\n")])]),e("h2",[s._v("取消激活所有节点")]),e("p",[s._v("取消激活所有节点可以直接调用"),e("code",[s._v("render")]),s._v("实例的方法：")]),e("pre",{staticClass:"hljs"},[e("code",[s._v("mindMap.renderer.clearActiveNode()\n")])]),e("p",[s._v("这个方法不会派发"),e("code",[s._v("before_node_active")]),s._v("事件，所以如果需要你可以自己手动派发一下。")]),e("h2",[s._v("取消激活指定节点")]),e("p",[s._v("要取消激活指定的节点，在"),e("code",[s._v("v0.10.6")]),s._v("版本以前需要这么做：")]),e("pre",{staticClass:"hljs"},[e("code",[s._v(";[id1, id2, id3, id4].forEach("),e("span",{staticClass:"hljs-function"},[e("span",{staticClass:"hljs-params"},[s._v("id")]),s._v(" =>")]),s._v(" {\n    "),e("span",{staticClass:"hljs-keyword"},[s._v("const")]),s._v(" node = mindMap.renderer.findNodeByUid(id)\n    mindMap.renderer.removeNodeFromActiveList(node)\n    mindMap.renderer.emitNodeActiveEvent("),e("span",{staticClass:"hljs-literal"},[s._v("null")]),s._v(")\n})\n")])]),e("p",[s._v("在"),e("code",[s._v("v0.10.6+")]),s._v("版本，"),e("code",[s._v("render")]),s._v("实例新增了取消激活多个节点的方法，所以可以直接使用：")]),e("pre",{staticClass:"hljs"},[e("code",[e("span",{staticClass:"hljs-keyword"},[s._v("const")]),s._v(" nodeList = [id1, id2, id3, id4].map("),e("span",{staticClass:"hljs-function"},[e("span",{staticClass:"hljs-params"},[s._v("id")]),s._v(" =>")]),s._v(" {\n    "),e("span",{staticClass:"hljs-keyword"},[s._v("return")]),s._v(" mindMap.renderer.findNodeByUid(id)\n})\nmindMap.renderer.cancelActiveMultiNode(nodeList)\n")])])])}],i={},t=i,v=n("2877"),r=Object(v["a"])(t,a,d,!1,null,null,null);e["default"]=r.exports}}]);