Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-after / ui refactoring / org / eclipse / jdt / internal / ui / refactoring / MessageWizardPage.java

diff --git a/case-study/jdt-after/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/MessageWizardPage.java b/case-study/jdt-after/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/MessageWizardPage.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2008 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.jdt.internal.ui.refactoring;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Label;
+
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.IDialogConstants;
+
+import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
+
+public abstract class MessageWizardPage extends UserInputWizardPage {
+
+       public static final int STYLE_NONE= 0;
+       public static final int STYLE_INFORMATION= 1;
+       public static final int STYLE_QUESTION= 2;
+       public static final int STYLE_ERROR= 3;
+       public static final int STYLE_WARNING= 4;
+
+       private final int fStyle;
+
+       public MessageWizardPage(String pageName, boolean isLastUserPage, int style) {
+               super(pageName);
+               fStyle= style;
+       }
+
+       protected abstract String getMessageString();
+
+       protected Image getMessageImage() {
+               switch (fStyle) {
+                       case STYLE_ERROR :
+                               return Display.getCurrent().getSystemImage(SWT.ICON_ERROR);
+                       case STYLE_WARNING :
+                               return Display.getCurrent().getSystemImage(SWT.ICON_WARNING);
+                       case STYLE_INFORMATION :
+                               return Display.getCurrent().getSystemImage(SWT.ICON_INFORMATION);
+                       case STYLE_QUESTION :
+                               return Display.getCurrent().getSystemImage(SWT.ICON_QUESTION);
+                       default :
+                               return null;
+               }
+       }
+
+       /* (non-Javadoc)
+        * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
+        */
+       public void createControl(Composite parent) {
+               initializeDialogUnits(parent);
+               Composite result= new Composite(parent, SWT.NONE);
+               setControl(result);
+               GridLayout layout= new GridLayout();
+               layout.marginHeight= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN) * 3 / 2;
+               layout.marginWidth= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
+               layout.verticalSpacing= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
+               layout.horizontalSpacing= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING) * 2;
+               layout.numColumns= 2;
+               result.setLayout(layout);
+
+               Image image= getMessageImage();
+               if (image != null) {
+                       Label label= new Label(result, SWT.NULL);
+                       image.setBackground(label.getBackground());
+                       label.setImage(image);
+                       label.setLayoutData(new GridData(
+                               GridData.HORIZONTAL_ALIGN_CENTER | GridData.VERTICAL_ALIGN_BEGINNING));
+               }
+
+               String message= getMessageString();
+               if (message != null) {
+                       Label messageLabel= new Label(result, SWT.WRAP);
+                       messageLabel.setText(message);
+                       GridData data= new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
+                       data.widthHint= convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
+                       messageLabel.setLayoutData(data);
+                       messageLabel.setFont(result.getFont());
+               }
+               Dialog.applyDialogFont(result);
+       }
+}