/*
* Ext GWT 2.2.4 - Ext for GWT
* Copyright(c) 2007-2010, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/
package com.extjs.gxt.ui.client.binder;
import java.util.List;
import com.extjs.gxt.ui.client.data.ModelData;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.store.TreeStore;
import com.extjs.gxt.ui.client.widget.Component;
import com.extjs.gxt.ui.client.widget.tree.TreeItem;
import com.extjs.gxt.ui.client.widget.treegrid.TreeGrid;
import com.extjs.gxt.ui.client.widget.treetable.TreeTable;
import com.extjs.gxt.ui.client.widget.treetable.TreeTableItem;
/**
* A <code>StoreBinder</code> implementation for <code>TreeTable</code>.
*
* @param <M> the model type
*
* @deprecated see @link {@link TreeGrid}
*/
public class TreeTableBinder<M extends ModelData> extends TreeBinder<M> {
protected TreeTable treeTable;
/**
* Creates a new tree table binder.
*
* @param treeTable the tree table
* @param store the store
*/
public TreeTableBinder(TreeTable treeTable, TreeStore<M> store) {
super(treeTable, store);
this.treeTable = treeTable;
}
@Override
public Component findItem(M model) {
for (TreeItem item : treeTable.getAllItems()) {
if (store.getModelComparer().equals(item.<M>getModel(), model)) {
return item;
}
}
return null;
}
@Override
protected void createAll() {
TreeTableItem root = (TreeTableItem) treeTable.getRootItem();
root.removeAll();
List<M> list = store.getRootItems();
for (M element : list) {
TreeItem item = null;
if (store.isFiltered()) {
if (isOrDecendantSelected(null, element)) {
item = createItem(element);
}
} else {
item = createItem(element);
}
treeTable.getRootItem().add(item);
if (autoLoad && item != null) {
item.setData("force", true);
loadChildren(item, false);
}
}
fireEvent(Events.Refresh);
}
protected TreeItem createItem(M model) {
int cols = treeTable.getColumnCount();
TreeTableItem item = new TreeTableItem(new Object[cols]);
setModel(item, model);
updateItemValues(item);
updateItemStyles(item);
String txt = getTextValue(model, displayProperty);
if (txt == null && displayProperty != null) {
txt = model.get(displayProperty);
} else {
txt = model.toString();
}
String icon = getIconValue(model, displayProperty);
item.setIconStyle(icon);
item.setText(txt);
if (loader != null) {
item.setLeaf(!loader.hasChildren(model));
} else {
item.setLeaf(!hasChildren(model));
}
return item;
}
protected String getColumnId(int column) {
return treeTable.getColumn(column).getId();
}
protected boolean hasChildren(M parent) {
return store.getChildCount(parent) != 0;
}
@Override
protected void update(M model) {
TreeTableItem item = (TreeTableItem) findItem(model);
if (item != null) {
setModel(item, model);
updateItemValues(item);
updateItemStyles(item);
String icon = getIconValue(model, displayProperty);
String style = (styleProvider == null) ? null : styleProvider.getStringValue(model,
displayProperty);
item.setTextStyle(style);
item.setIconStyle(icon);
}
}
private void filterItems(TreeItem item) {
if (item.isRoot() || isOrDecendantSelected(null, item.<M>getModel())) {
item.setVisible(true);
int count = item.getItemCount();
for (int i = 0; i < count; i++) {
filterItems(item.getItem(i));
}
} else {
item.setVisible(false);
}
}
private boolean isOrDecendantSelected(M parent, M model) {
if (!isFiltered(parent, model)) {
return true;
}
TreeItem item = (TreeItem) findItem(model);
if (item != null) {
for (TreeItem child : item.getItems()) {
boolean result = isOrDecendantSelected(model, child.<M>getModel());
if (result) {
return true;
}
}
}
return false;
}
private void updateItemStyles(TreeTableItem item) {
M model = item.<M>getModel();
int cols = treeTable.getColumnCount();
for (int i = 0; i < cols; i++) {
String id = getColumnId(i);
String style = (styleProvider == null) ? null : styleProvider.getStringValue(model, id);
item.setCellStyle(i, style == null ? "" : style);
}
}
private void updateItemValues(TreeTableItem item) {
M model = item.<M>getModel();
int cols = treeTable.getColumnCount();
for (int j = 0; j < cols; j++) {
String id = getColumnId(j);
Object val = getTextValue(model, id);
if (val == null) val = model.get(id);
item.setValue(j, val);
}
}
}