?? pagingtree.zul
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<?xml version="1.0" encoding="UTF-8"?><!--pagingTree.zul{{IS_NOTE Purpose: Description: History: Thu Nov 20 15:08:00 2008, Created by jumperchen}}IS_NOTECopyright (C) 2008 Potix Corporation. All Rights Reserved.{{IS_RIGHT}}IS_RIGHT--><window id="demo" apply="org.zkoss.zkdemo.userguide.DemoWindowComposer"> <html><![CDATA[ <h4>Paging with Tree</h4> <p>Alike Paging controls with Grid and Listbox, paging are supported by tree by setting mold="paging".<a href="javascript:;" onclick="if (!zk.isVisible($e('infos'))) {anima.slideDown($e('infos'));} else {anima.slideUp($e('infos'));}">More..</a></p> <p style="display:none" id="infos">It is better to display a large number of data across multiple pages by specifying the paging mold. You can also specify the paging position to be either top, bottom, or both</p> ]]></html> See the <toolbarbutton id="target" label="org.zkoss.zkdemo.test2.tree.BinaryTreeModel" popup="details"/>
and the <toolbarbutton id="target2" label="org.zkoss.zkdemo.userguide.BigList" popup="details2"/> implementation.
<separator/>
<popup id="details" fulfill="target.onClick" width="550px">
<div style="border:1px solid #538BA2; background: #FFF; ">
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<pre style='color:#000000;background:#ffffff;'><span style='color:#7f0055; font-weight:bold; '>public</span> <span style='color:#7f0055; font-weight:bold; '>class</span> BinaryTreeModel <span style='color:#7f0055; font-weight:bold; '>extends</span> AbstractTreeModel{
<span style='color:#7f0055; font-weight:bold; '>private</span> ArrayList _tree =<span style='color:#7f0055; font-weight:bold; '>null</span>;
<span style='color:#7f0055; font-weight:bold; '>public</span> BinaryTreeModel(<span style='color:#7f0055; font-weight:bold; '>List</span> tree){
<span style='color:#7f0055; font-weight:bold; '>super</span>(tree.get(0));
_tree = (ArrayList)tree;
}
<span style='color:#7f0055; font-weight:bold; '>public</span> <span style='color:#7f0055; font-weight:bold; '>Object</span> getChild(<span style='color:#7f0055; font-weight:bold; '>Object</span> parent, <span style='color:#7f0055; font-weight:bold; '>int</span> index) {
<span style='color:#7f0055; font-weight:bold; '>int</span> i = _tree.indexOf(parent) *2 +1 + index;
<span style='color:#7f0055; font-weight:bold; '>if</span>( i>= _tree.size())
<span style='color:#7f0055; font-weight:bold; '>return</span> <span style='color:#7f0055; font-weight:bold; '>null</span>;
<span style='color:#7f0055; font-weight:bold; '>else</span>
<span style='color:#7f0055; font-weight:bold; '>return</span> _tree.get(i);
}
<span style='color:#7f0055; font-weight:bold; '>public</span> <span style='color:#7f0055; font-weight:bold; '>int</span> getChildCount(<span style='color:#7f0055; font-weight:bold; '>Object</span> parent) {
<span style='color:#7f0055; font-weight:bold; '>int</span> count = 0;
<span style='color:#7f0055; font-weight:bold; '>if</span>(getChild(parent,0) != <span style='color:#7f0055; font-weight:bold; '>null</span>)
count++;
<span style='color:#7f0055; font-weight:bold; '>if</span>(getChild(parent,1) != <span style='color:#7f0055; font-weight:bold; '>null</span>)
count++;
<span style='color:#7f0055; font-weight:bold; '>return</span> count;
}
<span style='color:#7f0055; font-weight:bold; '>public</span> <span style='color:#7f0055; font-weight:bold; '>boolean</span> isLeaf(<span style='color:#7f0055; font-weight:bold; '>Object</span> node) {
<span style='color:#7f0055; font-weight:bold; '>return</span> (getChildCount(node) == 0);
}
}
</pre>
]]></html>
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<popup id="details2" fulfill="target2.onClick" width="450px">
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<pre style='color:#000000;background:#ffffff;'><span style='color:#7f0055; font-weight:bold; '>public</span> <span style='color:#7f0055; font-weight:bold; '>class</span> BigList <span style='color:#7f0055; font-weight:bold; '>extends</span> java.util.AbstractList {
<span style='color:#7f0055; font-weight:bold; '>private</span> <span style='color:#7f0055; font-weight:bold; '>int</span> _sz;
<span style='color:#7f0055; font-weight:bold; '>public</span> BigList(<span style='color:#7f0055; font-weight:bold; '>int</span> sz) {
<span style='color:#7f0055; font-weight:bold; '>if</span> (sz < 0)
<span style='color:#7f0055; font-weight:bold; '>throw</span> <span style='color:#7f0055; font-weight:bold; '>new</span> <span style='color:#7f0055; font-weight:bold; '>IllegalArgumentException</span>(
<span style='color:#2a00ff; '>"Negative not allowed: "</span>+sz);
_sz = sz;
}
<span style='color:#7f0055; font-weight:bold; '>public</span> <span style='color:#7f0055; font-weight:bold; '>int</span> size() {
<span style='color:#7f0055; font-weight:bold; '>return</span> _sz;
}
<span style='color:#7f0055; font-weight:bold; '>public</span> <span style='color:#7f0055; font-weight:bold; '>Object</span> get(<span style='color:#7f0055; font-weight:bold; '>int</span> j) {
<span style='color:#7f0055; font-weight:bold; '>return</span> <span style='color:#7f0055; font-weight:bold; '>new</span> <span style='color:#7f0055; font-weight:bold; '>Integer</span>(j);
}
}
</pre>
]]></html>
</div>
</popup>
<separator/> <tabbox width="100%" tabscroll="false"> <tabs> <tab id="demoView" label="Demo"/> <tab id="srcView" label="View Source"/> </tabs> <tabpanels> <tabpanel> <window id="view"> </window> </tabpanel> <tabpanel> <panel> <panelchildren> <textbox id="codeView" class="code" rows="20" width="95%"> <attribute name="value"><![CDATA[<zk> Paging can be supported to locate at three position: Top, Bottom, and Both. <radiogroup onCheck="tree.pagingPosition = self.selectedItem.label;"> <radio label="top" /> <radio label="bottom" checked="true" /> <radio label="both" /> </radiogroup>
<separator/>
<button label="Change Paging Mold">
<attribute name="onClick">
tree.pagingChild.mold = "os".equals(tree.pagingChild.mold) ? "default" : "os";
</attribute>
</button> <zscript> import org.zkoss.zkdemo.test2.tree.BinaryTreeModel; BinaryTreeModel btm = new BinaryTreeModel(new ArrayList(new org.zkoss.zkdemo.userguide.BigList(1000))); </zscript> <tree id="tree" mold="paging" pageSize="15" model="${btm}"> <attribute name="onCreate"> tree.renderItemByPath(new int[]{1,1,1,1,1,1,1,1,1,1,1,1}); tree.renderItemByPath(new int[]{0,0,0,0,0,0,0,0,0,0,0,0}); </attribute> </tree></zk> ]]></attribute> </textbox> </panelchildren> <toolbar mold="panel">
<button id="tryBtn" label="Try me!"/> <button id="reloadBtn" label="Reload" height="18px"/> </toolbar> </panel> </tabpanel> </tabpanels> </tabbox></window>?? 快捷鍵說明
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