net.sf.jmoney.entrytable.OtherEntriesButton.java Source code

Introduction

Here is the source code for net.sf.jmoney.entrytable.OtherEntriesButton.java

Source

/*
 *
 *  JMoney - A Personal Finance Manager
 *  Copyright (c) 2007 Nigel Westbury <westbury@users.sf.net>
 *
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

package net.sf.jmoney.entrytable;

import net.sf.jmoney.JMoneyPlugin;
import net.sf.jmoney.model2.Entry;
import net.sf.jmoney.model2.IPropertyControl;
import net.sf.jmoney.resources.Messages;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;

/**
 * This class represents a button that appears in each row and, when pressed,
 * drops down a shell showing details of the other entries.
 * 
 * This class is similar to OtherEntriesBlock but there are no columns in the
 * main table for the properties in the other entries, the shell has its own
 * columns with their own headers inside the shell.
 * 
 * @author Nigel Westbury
 */
public class OtherEntriesButton extends CellBlock<EntryData, EntryRowControl> {

    private final static int DROPDOWN_BUTTON_WIDTH = 15;

    static private Image downArrowImage = null;

    private Block<Entry, ISplitEntryContainer> otherEntriesRootBlock;

    public OtherEntriesButton(Block<Entry, ISplitEntryContainer> otherEntriesRootBlock) {
        super(DROPDOWN_BUTTON_WIDTH, 0);
        this.otherEntriesRootBlock = otherEntriesRootBlock;
    }

    @Override
    public IPropertyControl<EntryData> createCellControl(Composite parent, final RowControl rowControl,
            final EntryRowControl coordinator) {
        if (downArrowImage == null) {
            ImageDescriptor descriptor = JMoneyPlugin.createImageDescriptor("comboArrow.gif"); //$NON-NLS-1$
            downArrowImage = descriptor.createImage();
        }

        return new ButtonCellControl(rowControl, coordinator, downArrowImage,
                Messages.OtherEntriesButton_ToolTipText) {
            @Override
            protected void run(EntryRowControl rowControl) {
                final OtherEntriesShell shell = new OtherEntriesShell(rowControl.getShell(), SWT.ON_TOP,
                        coordinator.getUncommittedEntryData(), otherEntriesRootBlock, false);
                Display display = rowControl.getDisplay();
                Rectangle rect = display.map(rowControl, null, this.getControl().getBounds());
                shell.open(rect);
            }
        };
    }

    @Override
    public void createHeaderControls(Composite parent, EntryData entryData) {
        /*
         * All CellBlock implementations must create a control because
         * the header and rows must match. Maybe these objects could
         * just point to the header controls, in which case this would
         * not be necessary.
         * 
         * Note also we use Label, not an empty Composite, because we
         * don't want a preferred height that is higher than the labels.
         */
        new Label(parent, SWT.NONE);
    }
}