when I have two trees on one page-
even if they are in different "verticalpanels" (which I know are just
columns in a table),
when I select an item on the first; the second tree disappears.
this behavior occurs in hosted mode and in ie, but not in firefox (and
I need to make it work in ie; and hosted mode would be helpful)
any ideas?
(if I redraw one right after adding a new item to the other tree; then
it will show up; but the selection problem is annoying...I don't want
to be continually redrawing if I can help it)
is this a css problem?
please note: I'm using gwt 1.462 (and no, I cannot upgrade; that it
the version my company is using now)
here's some sample code that can be run to demonstrate the problem
(just instantiate it and put it in an entry-point class):
package com.amicas.gwt.qc.client.widgets.dragndrop;
import com.google.gwt.user.client.ui.AbsolutePanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Tree;
import com.google.gwt.user.client.ui.TreeItem;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
public class DualTreeTest extends AbsolutePanel {
//
STATIC //////////////////////////////////////////////////////////////////
/** shorthand to refer to the left box */
private static final int LEFT =0;
/** shorthand to refer to the right box */
private static final int RIGHT =1;
//
STATE //////////////////////////////////////////////////////////////////
private VerticalPanel its_leftBox;
private VerticalPanel its_rightBox;
public DualTreeTest() {
HorizontalPanel hpan = new HorizontalPanel();
//hpan.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
its_leftBox = new VerticalPanel();
its_leftBox.add(makeTree());
its_leftBox.add(new HTML("<P>"));
//its_leftBox.addMouseListener(new TreeMouseAdapter());
hpan.add(its_leftBox);
its_rightBox = new VerticalPanel();
its_rightBox.add(makeTree());
hpan.add(its_rightBox);
add(hpan);
}
public Tree makeTree(){
Tree leftTree = new Tree();
TreeItem level1 = new TreeItem("level1-1");
TreeItem leafa = new TreeItem("a");
TreeItem leafb = new TreeItem("b");
TreeItem leafc = new TreeItem("c");
TreeItem leafd = new TreeItem("d");
level1.addItem(leafa);
level1.addItem(leafb);
level1.addItem(leafc);
level1.addItem(leafd);
TreeItem level2 = new TreeItem("level1-2");
TreeItem leafa2 = new TreeItem("a2");
TreeItem leafb2 = new TreeItem("b3");
TreeItem leafc2 = new TreeItem("c4");
TreeItem leafd2 = new TreeItem("d5");
level2.addItem(leafa2);
level2.addItem(leafb2);
level2.addItem(leafc2);
level2.addItem(leafd2);
leftTree.addItem(leve11);
leftTree.addItem(leve12);
return leftTree;
}
}
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