| /******************************************************************************* |
| * 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.ui.internal.ide.dialogs; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Text; |
| |
| /** |
| * Added a Details button to the MessageDialog to show the exception |
| * stack trace. |
| */ |
| public class InternalErrorDialog extends MessageDialog { |
| |
| private Throwable detail; |
| |
| private int detailButtonID = -1; |
| |
| private Text text; |
| |
| //Workaround. SWT does not seem to set the default button if |
| //there is not control with focus. Bug: 14668 |
| private int defaultButtonIndex = 0; |
| |
| /** |
| * Size of the text in lines. |
| */ |
| private static final int TEXT_LINE_COUNT = 15; |
| |
| /** |
| * Create a new dialog. |
| * |
| * @param parentShell the parent shell |
| * @param dialogTitle the title |
| * @param dialogTitleImage the title image |
| * @param dialogMessage the message |
| * @param detail the error to display |
| * @param dialogImageType the type of image |
| * @param dialogButtonLabels the button labels |
| * @param defaultIndex the default selected button index |
| */ |
| public InternalErrorDialog(Shell parentShell, String dialogTitle, |
| Image dialogTitleImage, String dialogMessage, Throwable detail, |
| int dialogImageType, String[] dialogButtonLabels, int defaultIndex) { |
| super(parentShell, dialogTitle, dialogTitleImage, dialogMessage, |
| dialogImageType, dialogButtonLabels, defaultIndex); |
| defaultButtonIndex = defaultIndex; |
| this.detail = detail; |
| setShellStyle(getShellStyle() | SWT.APPLICATION_MODAL); |
| } |
| |
| //Workaround. SWT does not seem to set rigth the default button if |
| //there is not control with focus. Bug: 14668 |
| public int open() { |
| create(); |
| Button b = getButton(defaultButtonIndex); |
| b.setFocus(); |
| b.getShell().setDefaultButton(b); |
| return super.open(); |
| } |
| |
| /** |
| * Set the detail button; |
| * @param index the detail button index |
| */ |
| public void setDetailButton(int index) { |
| detailButtonID = index; |
| } |
| |
| /* (non-Javadoc) |
| * Method declared on Dialog. |
| */ |
| protected void buttonPressed(int buttonId) { |
| if (buttonId == detailButtonID) { |
| toggleDetailsArea(); |
| } else { |
| setReturnCode(buttonId); |
| close(); |
| } |
| } |
| |
| /** |
| * Toggles the unfolding of the details area. This is triggered by |
| * the user pressing the details button. |
| */ |
| private void toggleDetailsArea() { |
| Point windowSize = getShell().getSize(); |
| Point oldSize = getContents().computeSize(SWT.DEFAULT, SWT.DEFAULT); |
| |
| if (text != null) { |
| text.dispose(); |
| text = null; |
| getButton(detailButtonID).setText( |
| IDialogConstants.SHOW_DETAILS_LABEL); |
| } else { |
| createDropDownText((Composite) getContents()); |
| getButton(detailButtonID).setText( |
| IDialogConstants.HIDE_DETAILS_LABEL); |
| } |
| |
| Point newSize = getContents().computeSize(SWT.DEFAULT, SWT.DEFAULT); |
| getShell() |
| .setSize( |
| new Point(windowSize.x, windowSize.y |
| + (newSize.y - oldSize.y))); |
| } |
| |
| /** |
| * Create this dialog's drop-down list component. |
| * |
| * @param parent the parent composite |
| */ |
| protected void createDropDownText(Composite parent) { |
| // create the list |
| text = new Text(parent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL); |
| text.setFont(parent.getFont()); |
| |
| // print the stacktrace in the text field |
| try { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| PrintStream ps = new PrintStream(baos); |
| detail.printStackTrace(ps); |
| ps.flush(); |
| baos.flush(); |
| text.setText(baos.toString()); |
| } catch (IOException e) { |
| } |
| |
| GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL |
| | GridData.GRAB_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL |
| | GridData.GRAB_VERTICAL); |
| data.heightHint = text.getLineHeight() * TEXT_LINE_COUNT; |
| data.horizontalSpan = 2; |
| text.setLayoutData(data); |
| } |
| |
| /** |
| * Convenience method to open a simple Yes/No question dialog. |
| * |
| * @param parent the parent shell of the dialog, or <code>null</code> if none |
| * @param title the dialog's title, or <code>null</code> if none |
| * @param message the message |
| * @param detail the error |
| * @param defaultIndex the default index of the button to select |
| * @return <code>true</code> if the user presses the OK button, |
| * <code>false</code> otherwise |
| */ |
| public static boolean openQuestion(Shell parent, String title, |
| String message, Throwable detail, int defaultIndex) { |
| String[] labels; |
| if (detail == null) |
| labels = new String[] { IDialogConstants.YES_LABEL, |
| IDialogConstants.NO_LABEL }; |
| else |
| labels = new String[] { IDialogConstants.YES_LABEL, |
| IDialogConstants.NO_LABEL, |
| IDialogConstants.SHOW_DETAILS_LABEL }; |
| |
| InternalErrorDialog dialog = new InternalErrorDialog(parent, title, |
| null, // accept the default window icon |
| message, detail, QUESTION, labels, defaultIndex); |
| if (detail != null) |
| dialog.setDetailButton(2); |
| return dialog.open() == 0; |
| } |
| |
| } |