/*
* Ext GWT 2.2.0 - Ext for GWT
* Copyright(c) 2007-2010, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/
package com.extjs.gxt.ui.client.widget;
import java.util.ArrayList;
import java.util.List;
import com.extjs.gxt.ui.client.GXT;
import com.extjs.gxt.ui.client.core.XTemplate;
import com.extjs.gxt.ui.client.data.ModelData;
import com.google.gwt.dom.client.InputElement;
import com.google.gwt.dom.client.NodeList;
import com.google.gwt.user.client.Element;
public class CheckBoxListView<M extends ModelData> extends ListView<M> {
protected List<M> checkedPreRender;
private String checkBoxSelector = ".x-view-item-checkbox";
public String getCheckBoxSelector() {
return checkBoxSelector;
}
public List<M> getChecked() {
if (rendered) {
List<M> l = new ArrayList<M>();
NodeList<Element> nodes = el().select(checkBoxSelector);
for (int i = 0; i < nodes.getLength(); i++) {
if (InputElement.is(nodes.getItem(i))) {
InputElement e = InputElement.as(nodes.getItem(i));
if (e.isChecked()) {
l.add(getStore().getAt(i));
}
}
}
return l;
} else {
return checkedPreRender != null ? new ArrayList<M>(checkedPreRender) : new ArrayList<M>();
}
}
public void setCheckBoxSelector(String checkBoxSelector) {
this.checkBoxSelector = checkBoxSelector;
}
/**
* Selects a specific item in the view
*
* @param m the modeldata that should be checked
* @param checked true to check
*/
public void setChecked(M m, boolean checked) {
if (rendered) {
NodeList<Element> nodes = el().select(checkBoxSelector);
int index = store.indexOf(m);
if (index != -1) {
Element e = nodes.getItem(index);
if (e != null) {
((InputElement) e.cast()).setChecked(checked);
}
}
} else {
if (checkedPreRender == null) {
checkedPreRender = new ArrayList<M>();
}
if (checked) {
if (!checkedPreRender.contains(m)) {
checkedPreRender.add(m);
}
} else {
checkedPreRender.remove(m);
}
}
}
@Override
protected void afterRender() {
super.afterRender();
if (checkedPreRender != null) {
for (M m : checkedPreRender) {
setChecked(m, true);
}
checkedPreRender = null;
}
}
@Override
protected void onRender(Element target, int index) {
if (getTemplate() == null) {
String spacing = GXT.isIE ? "0" : "3";
setTemplate(XTemplate.create("<tpl for=\".\"><div class='x-view-item x-view-item-check'><table cellspacing='"
+ spacing
+ "' cellpadding=0><tr><td><input class=\"x-view-item-checkbox\" type=\"checkbox\" /></td><td><td>{"
+ getDisplayProperty() + "}</td></tr></table></div></tpl>"));
}
super.onRender(target, index);
}
}