Attachment 2048 Details for Bug 5089 – Fixed drag and drop

Fixed drag and drop

ShortcutBarPartDragDrop.java (text/plain), 2.39 KB, created by Knut Radloff

on 2002-09-23 18:15:18 EDT

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Creator: Knut Radloff

Created: 2002-09-23 18:15:18 EDT

Size: 2.39 KB

patch

obsolete

>package org.eclipse.ui.internal;
>
>/**********************************************************************
>Copyright (c) 2000, 2002 IBM Corp. and others.
>All rights reserved.   This program and the accompanying materials
>are made available under the terms of the Common Public License v0.5
>which accompanies this distribution, and is available at
>http://www.eclipse.org/legal/cpl-v05.html
>**********************************************************************/
>import org.eclipse.swt.events.*;
>import org.eclipse.swt.graphics.*;
>import org.eclipse.swt.widgets.*;
>import org.eclipse.ui.IViewPart;
>
>public class ShortcutBarPartDragDrop extends PartDragDrop {
>	// The item that is being dragged by this PartDragDrop.
>	private ToolItem draggedItem;
>
>	public ShortcutBarPartDragDrop(LayoutPart itemPart, Control shortcutBar) {
>		super(itemPart, shortcutBar);
>	}
>	/**
	 * @see org.eclipse.ui.internal.PartDragDrop#isDragAllowed(Point)
	 */	
>	protected void isDragAllowed(Point position) {
>		ToolBar toolBar = getToolBar();
>		draggedItem = toolBar.getItem(position);
>		if (draggedItem == null) {
>			// Avoid drag from the borders.
>			return;
>		}
>		if (draggedItem.getData(ShowFastViewContribution.FAST_VIEW) == null) {
>			// Avoid drag from non-fast view icons.
>			return;
>		}
>		super.isDragAllowed(position);
>	}
>	
>	// Returns the shortcut bar.
>	private ToolBar getToolBar() {
>		return (ToolBar) getDragControl();	
>	}
>	/*package*/ ToolItem getDraggedItem() {
>		return draggedItem;
>	}
>	
>	/*
>	 * Returns the bounds of the fast view of the view
>	 * represented by the icon being dragged.
>	 */
>	protected Rectangle getSourceBounds() {
>		IViewPart part = (IViewPart) draggedItem.getData(ShowFastViewContribution.FAST_VIEW);
>		WorkbenchPage page = (WorkbenchPage) part.getSite().getPage();
>		Perspective persp = page.getActivePerspective();
>		Rectangle rect =  persp.getFastViewBounds(part);
>		return rect;
>	}
>	/*
>	 * The cursor has moved enough to open a tracker only if it is
>	 * NOT still over the icon being dragged. A tracker consumes
>	 * events from the queue. If a tracker is opened while we are still
>	 * over the pushed ToolItem, it will never be "unpushed", since the
>	 * event that unpushes it will be consumed by the tracker.
>	 */
>	protected boolean hasMovedEnough(MouseEvent e) {
>		ToolItem currentItem = getToolBar().getItem(new Point(e.x, e.y));
>		if (super.hasMovedEnough(e) && currentItem != draggedItem)
>			return true;
>		return false;
>	}
>}

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Attachments on bug 5089: 2046 | 2047 | 2048