我正使用虚拟树枝作为绘图应用程序的图层选择器, 我正试图在一个图层活动时显示“ Layer” 或“ 文件” 或“ 文件” 显示绿色图标, 如果不是, 则显示灰色图标 。
你能......
我看到了一个属性,用于:图标选项,它使用地图和引用 qx. data。 SingleValueBinding, 但如何实际执行它正在让我立下立木。 我的树正在被使用 :
var store = new qx.data.store.Json(url);
store.bind("model", tree, "model");
我试过了:
tree.setIconPath("icon");
但它要求我对 JSON 文件的每个元素都有一个图标属性, 以显示文件夹/ 文件, 并且不允许多重( 开/ 关闭) 能力 。
有什么建议吗?
查看 < a href=" "http://demo.qooxdoo.org/ purm/demobrowser/index.html#viltual~Tree_Dynamic.html" rel=“nofollow”>viltual 树演示 。使用设置Iconoption, 您可以指定一个转换器, 在决定要设置的图标类型时将其他数据考虑在内 。
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