/**
* 展开 javascript 树的所有节点
*
* @param prefix js变量前缀，不能为空
* @param w 输出对象，如jsp中的out
* @throws IOException
*/
public void outputExpand(String prefix, Writer w) throws IOException {
if (this.subItems.size() > 0) w.write(prefix + ".expand();\n");
for (int i = 0; i < this.subItems.size(); i++) {
TreeObject l = (TreeObject) this.subItems.get(i);
l.outputExpand(prefix + "_" + i, w);
}
}
public TreeObject addSubItems(int oid, String name) {
TreeObject to = new TreeObject();
to.setName(name);
to.setOid(oid);
to.setParent(this);
to.setParentOid(this.getOid());
this.subItems.add(to);
return to;
}
/**
* 输出 javascript 树
*
* @param prefix js变量前缀，不能为空
* @param w 输出对象，如jsp中的out
* @param href 超链接，href中的/oid/会被替换为对象的oid属性
* @param alwayClickable 始终可以点击
* @throws IOException
*/
public void output(String prefix, Writer w, String href, boolean alwayClickable)
throws IOException {
w.write("var " + prefix + " = new Ext.tree.TreeNode({\n" + "text: '" + getName() + "',\n");
if (alwayClickable || isClickable())
w.write("href: '" + href.replaceAll("/oid/", "" + getOid()) + "',\n");
w.write("draggable:false" + "});\n");
for (int i = 0; i < this.subItems.size(); i++) {
TreeObject l = (TreeObject) this.subItems.get(i);
l.output(prefix + "_" + i, w, href, alwayClickable);
w.write(prefix + ".appendChild(" + prefix + "_" + i + ");\n");
}
};
public void addSubItems(TreeObject to) {
to.setParent(this);
to.setParentOid(this.getOid());
this.subItems.add(to);
}