Attachment 85721 Details for Bug 212935 – ConnectionEndpointHandle Class

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[patch] ConnectionEndpointHandle Class

ConnectionEndpointHandle.txt (text/plain), 4.26 KB, created by Anthony Hunter

on 2007-12-21 11:53:22 EST

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Creator: Anthony Hunter

Created: 2007-12-21 11:53:22 EST

Size: 4.26 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.gef
>Index: src/org/eclipse/gef/handles/ConnectionEndpointHandle.java
>===================================================================
>RCS file: src/org/eclipse/gef/handles/ConnectionEndpointHandle.java
>diff -N src/org/eclipse/gef/handles/ConnectionEndpointHandle.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/gef/handles/ConnectionEndpointHandle.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,112 @@
>+/*******************************************************************************
>+ * Copyright (c) 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.gef.handles;
>+
>+import org.eclipse.core.runtime.Assert;
>+
>+import org.eclipse.draw2d.ConnectionLocator;
>+
>+import org.eclipse.gef.ConnectionEditPart;
>+import org.eclipse.gef.DragTracker;
>+import org.eclipse.gef.RequestConstants;
>+import org.eclipse.gef.tools.ConnectionEndpointTracker;
>+
>+/**
>+ * A handle used at the start or end of the
>+ * {@link org.eclipse.draw2d.Connection}. A ConnectionEndpointHandle may be
>+ * extended rather than using the final {@link ConnectionStartHandle} or
>+ * {@link ConnectionEndHandle}
>+ * 
>+ * @author Anthony Hunter
>+ * @since 3.4
>+ */
>+public class ConnectionEndpointHandle extends ConnectionHandle {
>+
>+	/**
>+	 * Caches whether the handle is for the source or target endpoint. endPoint
>+	 * is either {@link ConnectionLocator#SOURCE} or
>+	 * {@link ConnectionLocator#TARGET}.
>+	 */
>+	private int endPoint;
>+
>+	/**
>+	 * Creates a new ConnectionStartHandle, sets its owner to <code>owner</code>,
>+	 * and sets its locator to a {@link ConnectionLocator}.
>+	 * 
>+	 * @param owner
>+	 *            the ConnectionEditPart owner
>+	 * @param endPoint
>+	 *            one of {@link ConnectionLocator#SOURCE} or
>+	 *            {@link ConnectionLocator#TARGET}.
>+	 */
>+	public ConnectionEndpointHandle(ConnectionEditPart owner, int endPoint) {
>+		setOwner(owner);
>+		Assert.isTrue(endPoint == ConnectionLocator.SOURCE
>+				|| endPoint == ConnectionLocator.TARGET);
>+		this.endPoint = endPoint;
>+		setLocator(new ConnectionLocator(getConnection(), endPoint));
>+	}
>+
>+	/**
>+	 * Creates a new ConnectionStartHandle and sets its owner to
>+	 * <code>owner</code>. If the handle is fixed, it cannot be dragged.
>+	 * 
>+	 * @param owner
>+	 *            the ConnectionEditPart owner
>+	 * @param fixed
>+	 *            if true, handle cannot be dragged.
>+	 * @param endPoint
>+	 *            one of {@link ConnectionLocator#SOURCE} or
>+	 *            {@link ConnectionLocator#TARGET}.
>+	 */
>+	public ConnectionEndpointHandle(ConnectionEditPart owner, boolean fixed,
>+			int endPoint) {
>+		super(fixed);
>+		setOwner(owner);
>+		Assert.isTrue(endPoint == ConnectionLocator.SOURCE
>+				|| endPoint == ConnectionLocator.TARGET);
>+		this.endPoint = endPoint;
>+		setLocator(new ConnectionLocator(getConnection(), endPoint));
>+	}
>+
>+	/**
>+	 * Creates a new ConnectionStartHandle.
>+	 * 
>+	 * @param endPoint
>+	 *            one of {@link ConnectionLocator#SOURCE} or
>+	 *            {@link ConnectionLocator#TARGET}.
>+	 */
>+	public ConnectionEndpointHandle(int endPoint) {
>+		Assert.isTrue(endPoint == ConnectionLocator.SOURCE
>+				|| endPoint == ConnectionLocator.TARGET);
>+		this.endPoint = endPoint;
>+	}
>+
>+	/**
>+	 * Creates and returns a new {@link ConnectionEndpointTracker}.
>+	 * 
>+	 * @return the new ConnectionEndpointTracker
>+	 */
>+	protected DragTracker createDragTracker() {
>+		if (isFixed())
>+			return null;
>+		ConnectionEndpointTracker tracker;
>+		tracker = new ConnectionEndpointTracker((ConnectionEditPart) getOwner());
>+		if (endPoint == ConnectionLocator.SOURCE) {
>+			tracker.setCommandName(RequestConstants.REQ_RECONNECT_SOURCE);
>+		} else {
>+			tracker.setCommandName(RequestConstants.REQ_RECONNECT_TARGET);
>+		}
>+		tracker.setDefaultCursor(getCursor());
>+		return tracker;
>+	}
>+
>+}

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Attachments on bug 212935: 85721 | 86008