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/* GeneratorListHelpManager.java
* =========================================================================
* This file is part of the GrInvIn project - http://www.grinvin.org
*
* Copyright (C) 2005-2008 Universiteit Gent
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program 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
* General Public License for more details.
*
* A copy of the GNU General Public License can be found in the file
* LICENSE.txt provided with the source distribution of this program (see
* the META-INF directory in the source jar). This license can also be
* found on the GNU website at http://www.gnu.org/licenses/gpl.html.
*
* If you did not receive a copy of the GNU General Public License along
* with this program, contact the lead developer, or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.grinvin.help;
import java.awt.AWTEvent;
import java.awt.Component;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.MouseEvent;
import javax.help.CSH.Manager;
import javax.help.HelpSet;
import org.grinvin.generators.graphs.GraphGenerator;
import org.grinvin.gui.components.GeneratorCellListComponent;
/**
* Provides dynamic map ID assignment for the list of generators.
*/
public class GeneratorListHelpManager implements Manager {
private final GeneratorCellListComponent list;
/** Creates a new instance of GeneratorListHelpManager */
public GeneratorListHelpManager(GeneratorCellListComponent list) {
this.list = list;
}
public HelpSet getHelpSet(Object object, AWTEvent aWTEvent) {
return HelpManager.getHelpSet();
}
public String getHelpIDString(Object object, AWTEvent aWTEvent) {
if(object.equals(list)){
if(aWTEvent instanceof MouseEvent){
MouseEvent e = (MouseEvent) aWTEvent;
Point parentPosition = ((Component)e.getSource()).getLocationOnScreen();
Point listPosition = list.getLocationOnScreen();
e.translatePoint(parentPosition.x - listPosition.x, parentPosition.y - listPosition.y);
int selectedIndex = list.locationToIndex(e.getPoint());
if(selectedIndex >= 0) {
list.getSelectionModel().setSelectionInterval(selectedIndex, selectedIndex);
return ((GraphGenerator)list.getSelectedValue()).getId();
} else
return null;
} else if (aWTEvent instanceof ActionEvent) {
Object selection = list.getSelectedValue();
if(selection==null)
return null;
else
return ((GraphGenerator)selection).getId();
} else
return null;
} else
return null;
}
}
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