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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/photon/org/eclipse/swt/dnd/TreeDropTargetEffect.java')
-rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/photon/org/eclipse/swt/dnd/TreeDropTargetEffect.java | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/photon/org/eclipse/swt/dnd/TreeDropTargetEffect.java b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/photon/org/eclipse/swt/dnd/TreeDropTargetEffect.java new file mode 100644 index 0000000000..348c3742cf --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT Drag and Drop/photon/org/eclipse/swt/dnd/TreeDropTargetEffect.java @@ -0,0 +1,58 @@ +/******************************************************************************* + * Copyright (c) 2000, 2008 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.swt.dnd; + +import org.eclipse.swt.widgets.*; + +/** + * This class provides a default drag under effect (eg. select, insert, scroll and expand) + * when a drag occurs over a <code>Tree</code>. + * + * <p>Classes that wish to provide their own drag under effect for a <code>Tree</code> + * can extend the <code>TreeDropTargetEffect</code> class and override any applicable methods + * in <code>TreeDropTargetEffect</code> to display their own drag under effect.</p> + * + * Subclasses that override any methods of this class must call the corresponding + * <code>super</code> method to get the default drag under effect implementation. + * + * <p>The feedback value is either one of the FEEDBACK constants defined in + * class <code>DND</code> which is applicable to instances of this class, + * or it must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>DND</code> effect constants. + * </p> + * <p> + * <dl> + * <dt><b>Feedback:</b></dt> + * <dd>FEEDBACK_SELECT, FEEDBACK_INSERT_BEFORE, FEEDBACK_INSERT_AFTER, FEEDBACK_EXPAND, FEEDBACK_SCROLL</dd> + * </dl> + * </p><p> + * Note: Only one of the styles FEEDBACK_SELECT, FEEDBACK_INSERT_BEFORE or + * FEEDBACK_INSERT_AFTER may be specified. + * </p> + * + * @see DropTargetAdapter + * @see DropTargetEvent + * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> + * + * @since 3.3 + */ +public class TreeDropTargetEffect extends DropTargetEffect { + /** + * Creates a new <code>TreeDropTargetEffect</code> to handle the drag under effect on the specified + * <code>Tree</code>. + * + * @param tree the <code>Tree</code> over which the user positions the cursor to drop the data + */ + public TreeDropTargetEffect(Tree tree) { + super(tree); + } +} |