/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: ListModelBinder.java,v $
*
* $Revision: 1.5 $
*
* last change: $Author: vg $ $Date: 2006/04/07 13:32:33 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/package com.sun.star.wizards.ui.event;
import javax.swing.ListModel;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;
import com.sun.star.awt.XComboBox;
import com.sun.star.awt.XListBox;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.wizards.common.Helper;
/**
* @author rpiterman
* */
public class ListModelBinder implements ListDataListener {
private XListBox unoList;
private Object unoListModel;
private ListModel listModel;
private Renderer renderer = new Renderer() {
public String render(Object item) {
if (item == null)
return "";
else
return item.toString();
}
};
public ListModelBinder(Object unoListBox, ListModel listModel_) {
unoList = (XListBox) UnoRuntime.queryInterface(XListBox.class, unoListBox);
unoListModel = UnoDataAware.getModel(unoListBox);
setListModel(listModel_);
}
public void setListModel(ListModel newListModel) {
if (listModel != null)
listModel.removeListDataListener(this);
listModel = newListModel;
listModel.addListDataListener(this);
}
/* (non-Javadoc)
* @see javax.swing.event.ListDataListener#contentsChanged(javax.swing.event.ListDataEvent)
*/
public void contentsChanged(ListDataEvent lde) {
short[] selected = getSelectedItems();
for (short i = (short) lde.getIndex0(); i <= lde.getIndex1(); i++)
update(i);
setSelectedItems(selected);
}
protected void update(short i) {
remove(i, i);
insert(i);
}
protected void remove(short i1, short i2) {
unoList.removeItems((short) i1, (short) (i2 - i1 + 1));
}
protected void insert(short i) {
unoList.addItem(getItemString(i), i);
}
protected String getItemString(short i) {
return getItemString(listModel.getElementAt((int) i));
}
protected String getItemString(Object item) {
return renderer.render(item);
}
protected short[] getSelectedItems() {
return (short[]) Helper.getUnoPropertyValue(unoListModel, "SelectedItems");
}
protected void setSelectedItems(short[] selected) {
Helper.setUnoPropertyValue(unoListModel, "SelectedItems", selected);
}
/* (non-Javadoc)
* @see javax.swing.event.ListDataListener#intervalAdded(javax.swing.event.ListDataEvent)
*/
public void intervalAdded(ListDataEvent lde) {
//Short[] selected = getSelectedItems();
for (short i = (short) lde.getIndex0(); i <= lde.getIndex1(); i++)
insert(i);
/*int insertedItems = lde.getIndex1() - lde.getIndex0() + 1;
for (int i = 0; i<selected.length; i++)
if (selected[i].intValue() >= lde.getIndex0())
selected[i] = new Short((short)(selected[i].shortValue() + insertedItems));
setSelectedItems(selected);*/
}
/* (non-Javadoc)
* @see javax.swing.event.ListDataListener#intervalRemoved(javax.swing.event.ListDataEvent)
*/
public void intervalRemoved(ListDataEvent lde) {
//Short[] selected = getSelectedItems();
remove((short) lde.getIndex0(), (short) lde.getIndex1());
/*int removed = 0;
for (int i = 0; i<selected.length; i++) {
short s = selected[i].shortValue();
if (s>=lde.getIndex0() && s<==lde.getIndex1()) {
selected[i] = null;
removed++;
}
}
Short[] newSelected = (removed > 0 ? new Short[selected.length - removed] : selected;
if (removed>0)
if (selected[i].intValue() >= lde.getIndex0())
*/
}
public static interface Renderer {
public String render(Object item);
}
public static void fillList(Object list, Object[] items, Renderer renderer) {
XListBox xlist = (XListBox) UnoRuntime.queryInterface(XListBox.class, list);
Helper.setUnoPropertyValue(UnoDataAware.getModel(list), "StringItemList", new String[] {});
for (short i = 0; i < items.length; i++)
if (items[i] != null)
xlist.addItem((renderer != null ? renderer.render(items[i]) : items[i].toString()), i);
}
public static void fillComboBox(Object list, Object[] items, Renderer renderer) {
XComboBox xComboBox = (XComboBox) UnoRuntime.queryInterface(XComboBox.class,list);
Helper.setUnoPropertyValue(UnoDataAware.getModel(list), "StringItemList", new String[] {});
for (short i = 0; i < items.length; i++)
if (items[i] != null)
xComboBox.addItem((renderer != null ? renderer.render(items[i]) : items[i].toString()), i);
}
}