The html Component"
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Revision as of 02:59, 12 January 2022
Overview
One of the simplest ways is to use a XUL component called html to embed whatever HTML tags you want. The html component works like an HTML SPAN tag enclosing the HTML fragment. For example,
<window border="normal" title="Html Demo">
<html><![CDATA[
<h4>Hi, ${parent.title}</h4>
<p>It is the content of the html component.</p>
]]></html>
</window>
As shown above, we enclose them with <![CDATA[ and ]]> to prevent ZK Loader from interpreting the HTML tags embedded in the html element. In other words, they are not the child component. Rather, they are stored in the content property (by use of Html.setContent(String)[1]. In other words, <h4>...</p> will become the content of the html element.
Also notice that EL expressions are allowed.
- ↑ Fore more information please refer to ZUML Reference.
What Are Generated
The html component will eventually generate the HTML SPAN tag to enclose the content when attached to the browser's DOM tree. In other words, it generates the following HTML tags when attached to the browser's DOM tree.
<span id="z_4a_3">
<h4>Hi, Html Demo</h4>
<p>It is the content of the html component.</p>
</span>
It's a Component
The html component is no different to other XUL components. For example, you specify the CSS style and change its content dynamically.
<zk>
<html id="h" style="border: 1px solid blue;background: yellow">
<![CDATA[
<ul>
<li>Native browser content</li>
</ul>
]]>
</html>
<button label="change" onClick="h.setContent("Hi, Update")" />
</zk>
You can change its content dynamically.
htm.setContent("<ul><li>New content</li></ul>");
Limitation
Since SPAN is used to enclose the embedded HTML tags, the following code snippet is incorrect.
<zk>
<html><![CDATA[
<ul>
<li> <!-- incorrect since <ul><li> is inside <span> -->
]]>
</html>
<textbox />
<html><![CDATA[
</li>
</ul>
]]>
</html>
</zk>
If you need to generate the embedded HTML tags directly without the enclosing SPAN tag, you can use the xhtml component set or the native namespace as described in the following section.
Version History
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