RuntimeErrorDialog


1   /*******************************************************************************
2    * Copyright (c) 2000, 2004 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Common Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/cpl-v10.html
7    * 
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.help.ui.internal.util;
12  import org.eclipse.jface.dialogs.*;
13  import org.eclipse.swt.*;
14  import org.eclipse.swt.layout.*;
15  import org.eclipse.swt.widgets.*;
16  /**
17   * This is the Dialog box that displays all the errors the occur during the
18   * initial load of the Help System. It's data (model) is taken from the
19   * RuntimeHelpStatus object.
20   */
21  public class RuntimeErrorDialog extends MessageDialog {
22      private static String   errorStringToDisplay = null;
23      /**
24       * RuntimeErrorDialog constructor comment.
25       * 
26       * @param dialogTitle
27       *            java.lang.String
28       * @param dialogTitleImage
29       *            org.eclipse.swt.graphics.Image
30       * @param dialogMessage
31       *            java.lang.String
32       * @param dialogImageType
33       *            int
34       * @param dialogButtonLabels
35       *            java.lang.String[]
36       * @param defaultIndex
37       *            int
38       */
39      public RuntimeErrorDialog(Shell parentShell, String   dialogTitle,
40              org.eclipse.swt.graphics.Image dialogTitleImage,
41              String   dialogMessage, int dialogImageType,
42              java.lang.String  [] dialogButtonLabels, int defaultIndex) {
43          super(parentShell, dialogTitle, dialogTitleImage, dialogMessage,
44                  dialogImageType, dialogButtonLabels, defaultIndex);
45      }
46      protected Control createCustomArea(Composite parent) {
47          Composite composite = new Composite(parent, SWT.RESIZE);
48          GridLayout layout = new GridLayout();
49          layout.numColumns = 2;
50          layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
51          layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
52          layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
53          composite.setLayout(layout);
54          composite.setLayoutData(new GridData(GridData.FILL_BOTH));
55          // set error message
56          if (errorStringToDisplay != null) {
57              Text text = new Text(composite, SWT.BORDER | SWT.H_SCROLL
58                      | SWT.V_SCROLL | SWT.READ_ONLY | SWT.MULTI);
59              text.setText(errorStringToDisplay);
60              GridData data = new GridData(GridData.GRAB_HORIZONTAL
61                      | GridData.GRAB_VERTICAL | GridData.HORIZONTAL_ALIGN_FILL
62                      | GridData.VERTICAL_ALIGN_CENTER);
63              data.widthHint = getMinimumMessageWidth();
64              // set the default height on linux.
65              // Note: on Windows, the default height is fine.
66              if (System.getProperty("os.name").startsWith("Linux")) //$NON-NLS-1$ //$NON-NLS-2$
67                  data.heightHint = convertVerticalDLUsToPixels(100);
68              text.setLayoutData(data);
69              text.setFont(parent.getFont());
70              text.setBackground(composite.getDisplay().getSystemColor(
71                      SWT.COLOR_WHITE));
72          }
73          return composite;
74      }
75      public static void open(Shell parentShell, String   title, String   message,
76              String   errorString) {
77          errorStringToDisplay = errorString;
78          RuntimeErrorDialog dialog = new RuntimeErrorDialog(parentShell, title,
79                  null, // accept the default window icon
80                  message, ERROR, new String  []{IDialogConstants.OK_LABEL}, 0);
81          // ok is the default
82          dialog.open();
83          return;
84      }
85  }
86
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