private void bindData() throws Exception {
if (this.DataSource == null) {
throw new RuntimeException("必须在bindData方法中设定DataSource");
}
this.items.clear();
this.root = new TreeItem();
this.root.setID("_TreeRoot");
this.root.setParentID("");
this.root.setRoot(true);
this.root.setText(this.rootText);
this.root.setAction(this);
this.root.setLevel(0);
this.root.setAttribute("onMouseOver", this.onMouseOver);
this.root.setAttribute("onContextMenu", this.onContextMenu);
this.root.setAttribute("onClick", this.onClick);
this.root.setAttribute("onMouseOut", this.onMouseOut);
this.items.add(this.root);
Mapx map = new Mapx();
for (int i = 0; i < this.DataSource.getRowCount(); i++)
map.put(
this.DataSource.getString(i, this.IdentifierColumnName),
this.DataSource.getString(i, this.ParentIdentifierColumnName));
try {
TreeItem last = null;
for (int i = 0; i < this.DataSource.getRowCount(); i++) {
DataRow dr = this.DataSource.getDataRow(i);
String parentID = dr.getString(this.ParentIdentifierColumnName);
if ((XString.isEmpty(parentID)) || (!map.containsKey(parentID))) {
TreeItem item = new TreeItem();
item.setData(dr);
item.parseHtml(getItemInnerHtml(dr));
item.setAction(this);
item.setID(dr.getString(this.IdentifierColumnName));
item.setParentID(parentID);
if (this.lazyLoad) {
item.setLevel(this.parentLevel + 1);
item.setLevelStr((String) getParams().get("LevelStr"));
} else {
item.setLevel(1);
}
item.setParent(this.root);
this.items.add(item);
addChild(item);
last = item;
}
}
if (last != null) last.setLast(true);
} catch (Exception e) {
e.printStackTrace();
}
}
public void addChild(TreeItem parent) throws Exception {
boolean childFlag = false;
TreeItem last = null;
int index = -1;
for (int i = this.items.size() - 1; i >= 0; i--) {
if (this.items.get(i) == parent) {
index = i;
break;
}
}
ArrayList list = new ArrayList();
for (int i = 0; i < this.DataSource.getRowCount(); i++) {
DataRow dr = this.DataSource.getDataRow(i);
String pid = dr.getString(this.ParentIdentifierColumnName);
String id = dr.getString(this.IdentifierColumnName);
if ((parent.getID().equals(pid)) && (!XString.isEmpty(id)) && (!id.equals(pid))) {
childFlag = true;
if ((parent.getLevel() >= this.level) && ((!this.lazyLoad) || (!this.expand))) {
parent.setLazy(this.lazy);
parent.setExpanded(false);
parent.setBranch(childFlag);
return;
}
TreeItem item = new TreeItem();
item.setData(dr);
item.parseHtml(getItemInnerHtml(dr));
item.setAction(this);
item.setID(dr.getString(this.IdentifierColumnName));
item.setParentID(parent.getID());
item.setLevel(parent.getLevel() + 1);
item.setParent(parent);
if (this.lazyLoad) {
item.setLevelStr((String) getParams().get("LevelStr"));
}
list.add(item);
this.items.add(index + list.size(), item);
last = item;
}
}
for (int i = 0; i < list.size(); i++) {
addChild((TreeItem) list.get(i));
}
if (last != null) {
last.setLast(true);
}
if ((!this.lazy) && (parent.getLevel() + 1 == this.level)) {
parent.setExpanded(false);
}
parent.setBranch(childFlag);
}