Dojo中的内容窗格

3duebb1j  于 2022-12-16  发布在  Dojo
关注(0)|答案(1)|浏览(142)

我有一个内容窗格(B),当我单击选项卡容器中另一个内容窗格(A)内的按钮时,会创建该窗格。
在B中,我使用了closeable设置为true,并使用了on close函数。现在,当我关闭B时,它工作正常,但我的要求是,如果我单击A中的按钮,应再次创建B。我尝试在on close函数中为内容窗格变量分配null,以便再次创建新的内容窗格,但给出错误,无法读取null所有者文档的属性

dgsult0t

dgsult0t1#

我认为你的问题出在showLayerListFunction内部,
请参见下面的示例,其中您可以在删除选项卡后重新创建选项卡

require(["dojo/on", "dojo/dom", "dojo/ready", "dijit/registry","dojo/dom-construct", "dijit/layout/TabContainer", "dijit/layout/ContentPane", "dijit/form/Button",
  "dojo/dom-style"
], function(On, dom, ready, registry,domConstruct, TabContainer, ContentPane,  Button, domStyle) {
  ready(function() {
    var tabContainer = registry.byId("center");
    var tab1 = registry.byId("tab1");
    
    var btn = registry.byId("show");
    
    btn.on("click", function(e){
      // if pane exist skip creation 
      if(!registry.byId("legendid")) {
        var tab2 = new ContentPane({title:"List",id:"legendid",closable:true });
        tabContainer.addChild(tab2);
        tabContainer.selectChild(tab2)
      }
    })
    
  });
});
html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

#center {
  height: 100% !important;
}
<link href="//ajax.googleapis.com/ajax/libs/dojo/1.10.0/dijit/themes/claro/claro.css" rel="stylesheet" />
<script>
  dojoConfig = {
    parseOnLoad: true,
    async: true
  };
</script>
<script src="//ajax.googleapis.com/ajax/libs/dojo/1.10.0/dojo/dojo.js"></script>

<body class="claro">
  <div id="center" data-dojo-type="dijit/layout/TabContainer" >
<div id="tab1" data-dojo-type="dijit/layout/ContentPane"  title="tab1">
  <div data-dojo-type="dijit/form/Button" id="show"> Show Layer List</div>
</div>
</div>
</body>

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