1 files changed, 110 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.ui.forms/src/org/eclipse/tcf/te/ui/forms/parts/AbstractPart.java b/target_explorer/plugins/org.eclipse.tcf.te.ui.forms/src/org/eclipse/tcf/te/ui/forms/parts/AbstractPart.java
new file mode 100644
index 000000000..fd2ff7172
--- /dev/null
+++ b/target_explorer/plugins/org.eclipse.tcf.te.ui.forms/src/org/eclipse/tcf/te/ui/forms/parts/AbstractPart.java
@@ -0,0 +1,110 @@
+/*******************************************************************************
+ * Copyright (c) 2011 Wind River Systems, Inc. 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:
+ * Wind River Systems - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.tcf.te.ui.forms.parts;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.PlatformObject;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.tcf.te.ui.swt.SWTControlUtil;
+import org.eclipse.ui.forms.widgets.FormToolkit;
+
+/**
+ * Abstract part implementation.
+ */
+public abstract class AbstractPart extends PlatformObject {
+	// The parts enabled state
+	private boolean enabled = true;
+
+	/**
+	 * Constructor.
+	 */
+	public AbstractPart() {
+		super();
+	}
+
+	/**
+	 * Sets the parts enabled state and call {@link #onEnabledStateChanged()}
+	 * if the enabled state changed.
+	 *
+	 * @param enabled The new enabled state.
+	 */
+	public void setEnabled(boolean enabled) {
+		if (this.enabled != enabled) {
+			this.enabled = enabled;
+			onEnabledStateChanged();
+		}
+	}
+
+	/**
+	 * Called from {@link #setEnabled(boolean)} if the enabled
+	 * state changed.
+	 */
+	protected void onEnabledStateChanged() {
+	}
+
+	/**
+	 * Returns the parts enabled state.
+	 *
+	 * @return The enabled state.
+	 */
+	public boolean isEnabled() {
+		return enabled;
+	}
+
+	/**
+	 * Creates the part control(s).
+	 *
+	 * @param parent The parent composite. Must not be <code>null</code>.
+	 * @param style The control style if applicable.
+	 * @param span The horizontal span if applicable.
+	 * @param toolkit The form toolkit or <code>null</code>.
+	 */
+	public abstract void createControl(Composite parent, int style, int span, FormToolkit toolkit);
+
+	/**
+	 * Convenience method to create a composite.
+	 *
+	 * @param parent The parent composite. Must not be <code>null</code>.
+	 * @param toolkit The form toolkit or <code>null</code>.
+	 *
+	 * @return The new composite.
+	 */
+	protected Composite createComposite(Composite parent, FormToolkit toolkit) {
+		Assert.isNotNull(parent);
+		return toolkit != null ? toolkit.createComposite(parent) : new Composite(parent, SWT.NONE);
+	}
+
+	/**
+	 * Convenience method to create a "invisible" label for creating an
+	 * empty space between controls.
+	 *
+	 * @param parent The parent composite. Must not be <code>null</code>.
+	 * @param span The horizontal span.
+	 * @param toolkit The form toolkit or <code>null</code>.
+	 *
+	 * @return
+	 */
+	protected Label createEmptySpace(Composite parent, int span, FormToolkit toolkit) {
+		Assert.isNotNull(parent);
+
+		Label emptySpace = toolkit != null ? toolkit.createLabel(parent, null) : new Label(parent, SWT.NONE);
+
+		GridData layoutData = new GridData(SWT.BEGINNING, SWT.BEGINNING, false, false);
+		layoutData.horizontalSpan = span;
+		layoutData.widthHint = 0; layoutData.heightHint = SWTControlUtil.convertHeightInCharsToPixels(emptySpace, 1);
+
+		emptySpace.setLayoutData(layoutData);
+
+		return emptySpace;
+	}
+}