Add MapFileComparePage

Change-Id: I4e03415a194cdc094026ac7af1487ece228d5c05
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>
diff --git a/org.eclipse.egit.relengtools/src/org/eclipse/egit/internal/relengtools/MapFileComparePage.java b/org.eclipse.egit.relengtools/src/org/eclipse/egit/internal/relengtools/MapFileComparePage.java
new file mode 100755
index 0000000..4e85dcb
--- /dev/null
+++ b/org.eclipse.egit.relengtools/src/org/eclipse/egit/internal/relengtools/MapFileComparePage.java
@@ -0,0 +1,92 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 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.egit.internal.relengtools;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.wizard.WizardPage;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+
+public class MapFileComparePage extends WizardPage {
+
+	private final MapFileCompareEditorInput input = new MapFileCompareEditorInput();
+
+	private String tag;
+
+	public MapFileComparePage(String pageName, String title,
+			ImageDescriptor image) {
+		super(pageName, title, image);
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.eclipse.jface.dialogs.IDialogPage#setVisible(boolean)
+	 */
+	@Override
+	public void setVisible(boolean visible) {
+		super.setVisible(visible);
+		// Need to handle input and rebuild tree only when becoming visible
+		if (visible) {
+			try {
+				input.updateInput(
+						((ReleaseWizard) getWizard()).getSelectedProjects(),
+						tag);
+			} catch (final CoreException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+		}
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets
+	 * .Composite)
+	 */
+	@Override
+	public void createControl(Composite parent) {
+		final Font font = parent.getFont();
+		final Composite composite = new Composite(parent, SWT.NONE);
+		composite.setFont(font);
+		composite.setLayout(new GridLayout());
+		composite.setLayoutData(new GridData(GridData.FILL_BOTH));
+
+		try {
+			input.run(null);
+		} catch (final InterruptedException e) {
+			e.printStackTrace();
+		} catch (final InvocationTargetException e) {
+			e.printStackTrace();
+		}
+
+		final Control c = input.createContents(composite);
+		c.setLayoutData(new GridData(GridData.FILL_BOTH));
+		setControl(composite);
+	}
+
+	public void setTag(String t) {
+		this.tag = t;
+	}
+
+	public void updateMapProject(MapProject m) {
+		input.updateMapProject(m);
+	}
+}