Something like this, except in this situation, the checkbox field shows up as an empty clickable field:
/*
* Test.java
*
* © <your company here>, 2003-2008
* Confidential and proprietary.
*/
package Test;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.TreeField;
import net.rim.device.api.ui.component.TreeFieldCallback;
import net.rim.device.api.ui.component.CheckboxField;
import net.rim.device.api.ui.container.MainScreen;
public class Test extends UiApplication {
TreeCallback _myCallback;
TreeField _myTree;
public static void main(String[] args) {
Test app = new Test();
app.enterEventDispatcher();
}
public Test()
{
String fieldOne = "Main Folder2";
String fieldTwo = "Main Folder1";
String fieldThree = "SubFolder3";
CheckboxField fieldFour = new CheckboxField("Task 1", true);
String fieldFive= "Task 2";
_myCallback = new TreeCallback();
_myTree = new TreeField(_myCallback, TreeField.FOCUSABLE);
int node1 = _myTree.addChildNode(0, fieldOne);
int node2 = _myTree.addChildNode(0, fieldTwo);
int node3 = _myTree.addChildNode(node2, fieldThree);
int node4 = _myTree.addChildNode(node3, fieldFour);
int node5 = _myTree.addChildNode(node3, fieldFive);
MainScreen mainScreen = new MainScreen();
mainScreen.add(_myTree);
pushScreen(mainScreen);
}
public static class TreeCallback implements TreeFieldCallback {
public void drawTreeItem (TreeField tree, Graphics g, int node, int y, int width, int indent) {
Object obj = tree.getCookie(node);
if (obj instanceof String)
{
String text = (String)obj;
g.drawText(text, indent, y);
}
}
}
}
