1 files changed, 107 insertions, 0 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/variables/AbstractVariableComponent.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/variables/AbstractVariableComponent.java
new file mode 100644
index 000000000..5bc62519c
--- /dev/null
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/variables/AbstractVariableComponent.java
@@ -0,0 +1,107 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.debug.ui.variables;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Group;
+
+/**
+ * The AbstractVariableComponent provides the base implementation of an
+ * IVariableComponent
+ */
+public abstract class AbstractVariableComponent implements IVariableComponent {
+	
+	protected Group mainGroup;
+	protected IGroupDialogPage dialogPage;
+	private boolean isValid = true;
+
+	/**
+	 * @see IVariableComponent#getControl()
+	 */
+	public Control getControl() {
+		return null;
+	}
+	
+	/**
+	 * Returns the dialog page this component is part of
+	 */
+	protected IGroupDialogPage getPage() {
+		return dialogPage;
+	}
+
+	/**
+	 * @see IVariableComponent#createContents(Composite, String, IGroupDialogPage)
+	 */
+	public void createContents(Composite parent, String varTag, IGroupDialogPage page) {
+		dialogPage= page;
+		
+		// main composite
+		mainGroup = new Group(parent, SWT.NONE);
+		GridLayout layout = new GridLayout();
+		GridData gridData = new GridData(GridData.FILL_BOTH);
+		mainGroup.setLayout(layout);
+		mainGroup.setLayoutData(gridData);
+		mainGroup.setFont(parent.getFont());
+		mainGroup.setText(VariableUtil.buildVariableTag(varTag, null));
+	}
+
+	/**
+	 * @see IVariableComponent#getVariableValue()
+	 */
+	public String getVariableValue() {
+		return null;
+	}
+
+	/**
+	 * @see IVariableComponent#isValid()
+	 */
+	public boolean isValid() {
+		return isValid;
+	}
+	
+	/**
+	 * Sets whether the component's values are all valid.
+	 * Updates the components's page valid state. No action
+	 * taken if new valid state same as current one.
+	 * 
+	 * @param isValid <code>true</code> if all values valid,
+	 * 		<code>false</code> otherwise
+	 */
+	protected void setIsValid(boolean isValid) {
+		if (isValid() != isValid) {
+			this.isValid= isValid;
+			this.dialogPage.updateValidState();
+		}
+	}
+
+	/**
+	 * @see IVariableComponent#setVariableValue(String)
+	 */
+	public void setVariableValue(String varValue) {
+	}
+
+	/**
+	 * @see IVariableComponent#validate()
+	 */
+	public void validate() {
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.debug.ui.variables.IVariableComponent#dispose()
+	 */
+	public void dispose() {
+		//by default do nothing
+	}
+}
+\ No newline at end of file