filteraction.java

Rapla是一个灵活的多用户资源管理系统。它提供的一些功能有：日历GUI

/*--------------------------------------------------------------------------*
 | Copyright (C) 2006 Christopher Kohlhaas, Bettina Lademann                |
 |                                                                          |
 | 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. A copy of the license has been included with   |
 | these distribution in the COPYING file, if not go to www.fsf.org         |
 |                                                                          |
 | As a special exception, you are granted the permissions to link this     |
 | program with every library, which license fulfills the Open Source       |
 | Definition as published by the Open Source Initiative (OSI).             |
 *--------------------------------------------------------------------------*/
package org.rapla.gui.internal.action;
import java.awt.Component;
import java.awt.Point;
import java.awt.event.ActionEvent;

import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import org.apache.avalon.framework.container.ContainerUtil;
import org.rapla.framework.RaplaContext;
import org.rapla.framework.RaplaException;
import org.rapla.gui.RaplaAction;
import org.rapla.gui.internal.common.CalendarSelectionModel;
import org.rapla.gui.internal.edit.FilterDialog;

public class FilterAction extends RaplaAction implements ChangeListener {
    FilterDialog dlg;
    CalendarSelectionModel filter;
    Component parent;
    boolean isResourceOnly;
    public FilterAction(RaplaContext sm,Component parent,Point point) throws RaplaException {
        super( sm);
        this.parent = parent;
        this.setEnabled( true);
        putValue(NAME,getString("filter"));
        putValue(SMALL_ICON,getIcon("icon.filter"));
    }


    public void setFilter(CalendarSelectionModel filter) {
        this.filter = filter;
        ContainerUtil.dispose(dlg);
//        this.setEnabled( filter != null);
    }

    public void setResourceOnly( boolean enable ) {
        isResourceOnly = enable;
    }

    public void actionPerformed(ActionEvent evt) {
        try
        {
            if (dlg == null)
            {
                dlg = new FilterDialog(getContext(), isResourceOnly);
                dlg.addChangeListener(this);
            }

            dlg.start(filter
                      ,getString("filter")
                      ,parent
                      ,false
                      );
        }
        catch (Exception ex)
        {
            showException(ex,parent);
        } // end of try-catch
    }

    public void stateChanged(ChangeEvent evt) {
        firePropertyChange("filter",new Object(), filter);
    }

}