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/*
* $Id: ListCellContext.java 3424 2009-07-30 10:53:39Z kleopatra $
*
* Copyright 2008 Sun Microsystems, Inc., 4150 Network Circle,
* Santa Clara, California 95054, U.S.A. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jdesktop.swingx.renderer;
import java.awt.Color;
import javax.swing.JList;
/**
* List specific CellContext
.
*/
public class ListCellContext extends CellContext {
/**
* Sets state of the cell's context. Note that the component might be null
* to indicate a cell without a concrete context. All accessors must cope
* with.
*
* @param component the component the cell resides on, might be null
* @param value the content value of the cell
* @param row the cell's row index in view coordinates
* @param column the cell's column index in view coordinates
* @param selected the cell's selected state
* @param focused the cell's focused state
* @param expanded the cell's expanded state
* @param leaf the cell's leaf state
*/
public void installContext(JList component, Object value, int row, int column,
boolean selected, boolean focused, boolean expanded, boolean leaf) {
this.component = component;
installState(value, row, column, selected, focused, expanded, leaf);
this.dropOn = checkDropOnState();
}
/**
*
*/
private boolean checkDropOnState() {
if ((getComponent() == null)) {
return false;
}
JList.DropLocation dropLocation = getComponent().getDropLocation();
if (dropLocation != null
&& !dropLocation.isInsert()
&& dropLocation.getIndex() == row) {
return true;
}
return false;
}
@Override
public JList getComponent() {
return (JList) super.getComponent();
}
/**
* {@inheritDoc}
*/
@Override
protected Color getSelectionBackground() {
Color selection = null;
if (isDropOn()) {
selection = getDropCellBackground();
if (selection != null) return selection;
}
return getComponent() != null ? getComponent().getSelectionBackground() : null;
}
/**
* {@inheritDoc}
*/
@Override
protected Color getSelectionForeground() {
Color selection = null;
if (isDropOn()) {
selection = getDropCellForeground();
if (selection != null) return selection;
}
return getComponent() != null ? getComponent().getSelectionForeground() : null;
}
/**
* {@inheritDoc}
*/
@Override
protected String getUIPrefix() {
return "List.";
}
}