// RAP [rh] DnD not implemented
///*******************************************************************************
// * Copyright (c) 2005, 2007 IBM Corporation and others.
// * 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
// *
// * Contributors:
// * IBM Corporation - initial API and implementation
// *******************************************************************************/
//package org.eclipse.ui.internal.dnd;
//
//import org.eclipse.jface.util.Geometry;
//import org.eclipse.swt.SWT;
//import org.eclipse.swt.events.PaintEvent;
//import org.eclipse.swt.events.PaintListener;
//import org.eclipse.swt.graphics.Color;
//import org.eclipse.swt.graphics.Point;
//import org.eclipse.swt.graphics.RGB;
//import org.eclipse.swt.graphics.Rectangle;
//import org.eclipse.swt.widgets.Canvas;
//import org.eclipse.swt.widgets.Composite;
//import org.eclipse.swt.widgets.Control;
//import org.eclipse.ui.themes.ColorUtil;
//
///**
// * Utility class that wraps a given control with a black 'border'. Moving the
// * border control will cause the given control to move to stay within its bounds.
// *
// * @since 3.2
// *
// */
//public class DragBorder {
// // Controls
// private Composite clientControl = null;
// private Control dragControl = null;
// private Canvas border = null;
//
// // Colors
// private Color baseColor;
// private Color hilightColor;
// private boolean isHighlight;
//
// /**
// * Construct a new DragBorder.
// *
// * @param client The client window that the border must stay within
// * @param toDrag The control to be placed 'inside' the border
// */
// public DragBorder(Composite client, Control toDrag, boolean provideFrame) {
// clientControl = client;
// dragControl = toDrag;
// Point dragSize = toDrag.getSize();
//
// // Create a control large enough to 'contain' the dragged control
// border = new Canvas(dragControl.getParent(), SWT.NONE);
// border.setSize(dragSize.x+2, dragSize.y+2);
//
// // Use the SWT 'title' colors since they should always have a proper contrast
// // and are 'related' (i.e. should look good together)
// baseColor = border.getDisplay().getSystemColor(SWT.COLOR_LIST_SELECTION);
// RGB background = border.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND).getRGB();
// RGB blended = ColorUtil.blend(baseColor.getRGB(), background);
// hilightColor = new Color(border.getDisplay(), blended);
//
// // Ensure the border is visible and the control is 'above' it...
// border.moveAbove(null);
// dragControl.moveAbove(null);
//
// if (provideFrame) {
// border.addPaintListener(new PaintListener() {
// public void paintControl(PaintEvent e) {
// if (isHighlight) {
// e.gc.setForeground(hilightColor);
// }
// else {
// e.gc.setForeground(baseColor);
// }
//
// // Draw a rectangle as our 'border'
// Rectangle bb = border.getBounds();
// e.gc.drawRectangle(0,0,bb.width-1, bb.height-1);
// }
// });
// }
// }
//
//
// /**
// * Move the border (and its 'contained' control to a new position. The new
// * position will be adjusted to lie entirely within the client area of the
// * <code>clientControl</code>.
// *
// * @param newPos The new position for the border
// * @param alignment The location of the cursor relative to the border being dragged.
// * Current implementation only recognizes SWT.TOP & SWT.BOTTOM (which implies SWT.LEFT)
// * and SWT.CENTER (which centers teh dragged border on the cursor.
// */
// public void setLocation(Point newPos, int alignment) {
// // Move the border but ensure that it is still inside the Client area
// if (alignment == SWT.CENTER) {
// Point size = border.getSize();
// border.setLocation(newPos.x - (size.x/2), newPos.y - (size.y/2));
// }
// else if (alignment == SWT.TOP) {
// border.setLocation(newPos.x, newPos.y);
// } else {
// border.setLocation(newPos.x, newPos.y - border.getSize().y);
// }
//
// // Force the control to remain inside the shell
// Rectangle bb = border.getBounds();
// Rectangle cr = clientControl.getClientArea();
// Geometry.moveInside(bb,cr);
//
// // Ensure that the controls are the 'topmost' controls
// border.moveAbove(null);
// dragControl.moveAbove(null);
//
// // OK, now move the drag control and the border to their new locations
// dragControl.setLocation(bb.x+1, bb.y+1);
// border.setBounds(bb);
// }
//
// /**
// * Sets the hilight 'mode' for the control.
// * @param highlight true if the border should be drawn as 'hilighted'
// */
// public void setHighlight(boolean highlight) {
// isHighlight = highlight;
// border.redraw();
// }
//
// /**
// * Dispose the controls owned by the border.
// */
// public void dispose() {
// hilightColor.dispose();
// border.dispose();
// }
//
//
// /**
// * @return The bounds of the border's control.
// */
// public Rectangle getBounds() {
// return border.getBounds();
// }
//}