nodecelleditorlocator.java

eclipse开发笔记

package hellogef.control;

import hellogef.view.NodeFigure;

import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.tools.CellEditorLocator;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Text;

public class NodeCellEditorLocator implements CellEditorLocator {
	private NodeFigure nodeFigure;

	/**
	 * Creates a new ActivityCellEditorLocator for the given Label
	 * @param nodeFigure the Label
	 */
	public NodeCellEditorLocator(NodeFigure nodeFigure) {
		this.nodeFigure = nodeFigure;
	}

	/**
	 * @see CellEditorLocator#relocate(org.eclipse.jface.viewers.CellEditor)
	 */
	public void relocate(CellEditor celleditor) {
		Text text = (Text) celleditor.getControl();
		Point pref = text.computeSize(SWT.DEFAULT, SWT.DEFAULT);
		Rectangle rect = this.nodeFigure.getTextBounds();
		text.setBounds(rect.x - 1, rect.y - 1, pref.x + 1, pref.y + 1);
	}

}