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我試圖設置在模板中的一些內容,只有當所呈現的項目可見的是「當前項目」。您可以基於當前綁定的數據應用可見綁定嗎?
這裏是到目前爲止的代碼,我想只能夠使內模板的一部分,如果所呈現的數據項有ID == window.viewModel.activeObject
。
<section data-bind='template: { name: "categoryTemplate", foreach: categories }'></section>
<script type="text/html" id="categoryTemplate">
<section>
<h2>${Name}</h2>
<section data-bind='template: { name: "objectTemplate", foreach: Objects }'></section>
</section>
</script>
<script type="text/html" id="objectTemplate">
<article>
<h3>${Name}</h3>
(only render this if the object rendered has ID equal to viewModel.activeObject)
{{html Text}}
</article>
</script>
<script>
$(document).ready(function(){
window.viewModel = { categories : <asp:Literal runat="server" ID="LiteralJSON" />,
activeCategory: ko.observable(0),
activeObject: ko.observable(0)
};
ko.applyBindings(window.viewModel);
});
</script>
我該怎麼做呢?