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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* Licensed 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 under the License.
*/
package net.java.sip.communicator.plugin.desktoputil;
import java.awt.*;
/**
* Ordered transparent panel. Components added to the panel
* must implement OrderedComponent to be able to order them or
* will leave the parent to add them as usual.
*
* @author Damian Minkov
*/
public class OrderedTransparentPanel
extends TransparentPanel
{
private static final long serialVersionUID = 0L;
@Override
public Component add(Component comp)
{
if(comp instanceof OrderedComponent)
return addOrdered(comp);
else
return super.add(comp);
}
/**
* Method to order add OrderedComponents.
* @param comp the component to order.
* @return the component argument
*/
private Component addOrdered(Component comp)
{
int orederIndex = ((OrderedComponent)comp).getIndex();
Component[] cs = getComponents();
// don't add a component if already added or it will be removed
// and added at the end
for(Component c : cs)
{
if(c.equals(comp))
return comp;
}
for(int i = 0; i < cs.length; i++)
{
Component c = cs[i];
if(c instanceof OrderedComponent)
{
int cIndex = ((OrderedComponent) c).getIndex();
if(orederIndex < cIndex)
return super.add(comp, i);
}
}
return super.add(comp);
}
}
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