labelcelleditorlocator.java

对eclipse gef进行封装,可以生成图形化编辑器

/*******************************************************************************
 * $Header: /cvsroot/EOS6/work_dir/niegy/com.primeton.studio.gef.ui/src/com/primeton/studio/gef/ui/parts/LabelCellEditorLocator.java,v 1.1 2006/11/22 07:07:38 niegy Exp $
 * $Revision: 1.1 $
 * $Date: 2006/11/22 07:07:38 $
 *
 *==============================================================================
 *
 * Copyright (c) 2001-2006 Primeton Technologies, Ltd.
 * All rights reserved.
 * 
 * Created on 2006-11-21
 *******************************************************************************/


package com.primeton.studio.gef.ui.parts;

import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.tools.CellEditorLocator;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.swt.widgets.Text;

/**
 * TODO 此处填写 class 信息
 *
 * @author niegy (mailto:[e-mail])
 */
/*
 * 修改历史
 * $Log: LabelCellEditorLocator.java,v $
 * Revision 1.1  2006/11/22 07:07:38  niegy
 * 增加table
 * 
 */
public final class LabelCellEditorLocator implements CellEditorLocator {

	protected IFigure fig;

	public LabelCellEditorLocator(IFigure figure) {
		fig = figure;
	}

	public void relocate(CellEditor celleditor) {
		Text text = (Text)celleditor.getControl();

		Rectangle rect = fig.getClientArea(Rectangle.SINGLETON);
		if (fig instanceof Label)
			rect = ((Label)fig).getTextBounds().intersect(rect);
		fig.translateToAbsolute(rect);

		org.eclipse.swt.graphics.Rectangle trim = text.computeTrim(0, 0, 0, 0);
		rect.translate(trim.x, trim.y);
		rect.width += trim.width;
		rect.height += trim.height;
		
		text.setBounds(rect.x, rect.y, rect.width, rect.height);
	}

}