labelcelleditorlocator.java

来自「mywork是rcp开发的很好的例子」· Java 代码 · 共 33 行

package net.sf.freenote.directedit;

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;
/**
 * 基于label的directedit定位器
 * @author levin
 * @since 2008-1-26 下午03:32:10
 */
public class LabelCellEditorLocator implements CellEditorLocator {
	private Label label;
	
	public LabelCellEditorLocator(Label label) {
		super();
		this.label=label;
	}

	@Override
	public void relocate(CellEditor celleditor) {
		Text text = (Text)celleditor.getControl();
		Rectangle rect = label.getClientArea();
		label.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, Math.max(rect.width,40), rect.height);
	}
}