Attachment 102527 Details for Bug 234496 – CellEditorObservables

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[patch] CellEditorObservables

patch_234496_2.txt (text/plain), 2.78 KB, created by Matthew Hall

on 2008-05-28 17:28:22 EDT

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Creator: Matthew Hall

Created: 2008-05-28 17:28:22 EDT

Size: 2.78 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.jface.databinding
>Index: src/org/eclipse/jface/databinding/viewers/CellEditorObservables.java
>===================================================================
>RCS file: src/org/eclipse/jface/databinding/viewers/CellEditorObservables.java
>diff -N src/org/eclipse/jface/databinding/viewers/CellEditorObservables.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/jface/databinding/viewers/CellEditorObservables.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,62 @@
>+/*******************************************************************************
>+ * Copyright (c) 2008 Matthew Hall 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:
>+ *     Matthew Hall - initial API and implementation (bug 234496)
>+ ******************************************************************************/
>+
>+package org.eclipse.jface.databinding.viewers;
>+
>+import org.eclipse.core.databinding.observable.IObservable;
>+import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory;
>+import org.eclipse.core.databinding.observable.value.IObservableValue;
>+import org.eclipse.jface.databinding.swt.SWTObservables;
>+import org.eclipse.jface.viewers.CellEditor;
>+import org.eclipse.jface.viewers.TextCellEditor;
>+import org.eclipse.swt.SWT;
>+
>+/**
>+ * A factory for creating observables for JFace CellEditors.
>+ * 
>+ * @since 1.3
>+ * @author Matthew Hall
>+ */
>+public class CellEditorObservables {
>+	/**
>+	 * Returns an IObservableValue tracking the value of the passed in
>+	 * CellEditor.
>+	 * 
>+	 * @param cellEditor
>+	 *            the cell editor to track
>+	 * @return an IObservableValue tracking the value of the passed in
>+	 *         CellEditor.
>+	 */
>+	public static IObservableValue observeValue(CellEditor cellEditor) {
>+		if (cellEditor instanceof TextCellEditor)
>+			return SWTObservables.observeText(cellEditor.getControl(),
>+					SWT.Modify);
>+
>+		throw new IllegalArgumentException(
>+				"CellEditor [" + cellEditor.getClass().getName() + "] is not supported."); //$NON-NLS-1$//$NON-NLS-2$
>+
>+	}
>+
>+	/**
>+	 * Returns an IObservableFactory which produces an IObservableValue which
>+	 * tracks the value of a target CellEditor.
>+	 * 
>+	 * @return an IObservableFactory which produces an IObservableValue which
>+	 *         tracks the value of a target CellEditor.
>+	 */
>+	public static IObservableFactory valueFactory() {
>+		return new IObservableFactory() {
>+			public IObservable createObservable(Object target) {
>+				return observeValue((CellEditor) target);
>+			}
>+		};
>+	}
>+}

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