tablecelleditordialog.java

ktable 是一个由java开发的,对控制报表的项目,它最大的特点是使用独特的算法,能支持巨大的报表(千万以上?).

/*
 * Copyright (C) 2004 by Friederich Kupzog Elektronik & Software
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
    
    Authors: Friederich Kupzog
             Lorenz Maierhofer
    [e-mail]
    www.kupzog.de/fkmk
*/
package de.kupzog.ktable.editors;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;

import de.kupzog.ktable.KTable;
import de.kupzog.ktable.KTableCellEditor;

/**
 * An abstract base implementation for a cell editor that opens a 
 * dialog.<p>
 * Implement the methods <code>getDialog()</code> and 
 * <code>setupShellProperties()</code> as needed.
 * The dialog is automatically opened in blocking mode. The editor is closed
 * when the dialog is closed by the user.
 * @author Lorenz Maierhofer
 */
public abstract class TableCellEditorDialog extends KTableCellEditor {
	private Dialog m_Dialog;

	public void open(KTable table, int col, int row, Rectangle rect) {
	    m_Table = table;
		m_Model = table.getModel();
		m_Rect = rect;
		m_Row = row;
		m_Col = col;
		if (m_Dialog == null) {
		    m_Dialog = getDialog(table.getShell());
		}
		if (m_Dialog!=null) {
		    m_Dialog.create();
		    m_Dialog.setBlockOnOpen(true);
		    setupShellProperties(m_Dialog.getShell());
		    m_Dialog.open();
		}
		close(false);
	}
	
	/**
	 * @return Returns the dialog that should be shown on
	 * editor activation.
	 */
	public abstract Dialog getDialog(Shell shell);
	
	/**
	 * Changes the properties of the dialog shell. One could be 
	 * the bounds of the dialog...<p>
	 * Overwrite to change the properties.
	 * @param dialogShell The shell of the dialog.
	 */
	public abstract void setupShellProperties(Shell dialogShell);

	/**
	 * Called when the open-method returns.
	 */
	public void close(boolean save) {
		super.close(save);
		m_Dialog = null;
	}
	
	/**
	 * Sets the bounds of the dialog to the cell bounds.
	 * DEFAULT: Ignored. Set the required shell properties by
	 * overwriting the method <code>setupShellProperties(Shell)</code>.
	 */
	public void setBounds(Rectangle rect) {
	    // ignored.
	}

    /**
     * Ignored.
     * @see de.kupzog.ktable.KTableCellEditor#setContent(java.lang.String)
     */
    public void setContent(Object content) {
    }
    
    /**
     * Ignored, since it is no longer in use. We use a dialog instead 
     * of a control!
     */
    protected Control createControl() {
        return null;
    }
}