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/* GraphPropertiesTableHelpManager.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.invariants.Invariant;
import org.grinvin.gui.components.GraphPropertiesTableComponent;
/**
* Provides dynamic map ID assignment for the invariants in a <code>GraphPropertiesTable</code>.
*/
public class GraphPropertiesTableHelpManager implements Manager {
private GraphPropertiesTableComponent table;
/** Creates a new instance of GraphPropertiesTableHelpManager */
public GraphPropertiesTableHelpManager(GraphPropertiesTableComponent table) {
this.table = table;
}
public HelpSet getHelpSet(Object object, AWTEvent aWTEvent) {
return HelpManager.getHelpSet();
}
public String getHelpIDString(Object object, AWTEvent aWTEvent) {
if(object.equals(table)){
if(aWTEvent instanceof MouseEvent){
MouseEvent e = (MouseEvent) aWTEvent;
Point parentPosition = ((Component)e.getSource()).getLocationOnScreen();
Point tablePosition = table.getLocationOnScreen();
e.translatePoint(parentPosition.x - tablePosition.x, parentPosition.y - tablePosition.y);
int row = table.rowAtPoint(e.getPoint());
if(row >= 0) {
table.getSelectionModel().setSelectionInterval(row, row);
return validateID(((Invariant)(table.getValueAt(table.getSelectedRow(),0))).getId());
}
return null;
} else if (aWTEvent instanceof ActionEvent) {
Object selection = table.getValueAt(table.getSelectedRow(),0);
if(selection==null)
return null;
return validateID(((Invariant)selection).getId());
}
return null;
} else
return null;
}
private String validateID(String id) {
HelpSet hs = HelpManager.getHelpSet();
if(hs.getCombinedMap().isValidID(id, hs))
return id;
else if(id.indexOf('?')>-1)
return validateID(id.substring(0, id.indexOf('?')));
else
return null;
}
}
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