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*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*************************************************************/
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;
import com.sun.star.wizards.common.PropertyNames;
/**
* @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 PropertyNames.EMPTY_STRING;
}
else
{
return item.toString();
}
}
};
public ListModelBinder(Object unoListBox, ListModel listModel_)
{
unoList = 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(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, PropertyNames.SELECTED_ITEMS);
}
protected void setSelectedItems(short[] selected)
{
Helper.setUnoPropertyValue(unoListModel, PropertyNames.SELECTED_ITEMS, 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 = UnoRuntime.queryInterface(XListBox.class, list);
Helper.setUnoPropertyValue(UnoDataAware.getModel(list), PropertyNames.STRING_ITEM_LIST, 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 = UnoRuntime.queryInterface(XComboBox.class, list);
Helper.setUnoPropertyValue(UnoDataAware.getModel(list), PropertyNames.STRING_ITEM_LIST, 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);
}
}
}
}