| /******************************************************************************* |
| * Copyright (c) 2003, 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.wst.common.frameworks.internal.ui; |
| |
| 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.SWTError; |
| import org.eclipse.swt.SWTException; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| 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. |
| * |
| * Borrowed from an eclipse InternalErrorDialog |
| */ |
| public class ErrorDialog extends MessageDialog { |
| protected static final String[] LABELS_OK = {IDialogConstants.OK_LABEL}; |
| protected static final String[] LABELS_OK_CANCEL = {IDialogConstants.OK_LABEL, IDialogConstants.CANCEL_LABEL}; |
| protected static final String[] LABELS_OK_DETAILS = {IDialogConstants.OK_LABEL, IDialogConstants.SHOW_DETAILS_LABEL}; |
| protected static final String[] LABELS_OK_CANCEL_DETAILS = {IDialogConstants.OK_LABEL, IDialogConstants.CANCEL_LABEL, IDialogConstants.SHOW_DETAILS_LABEL}; |
| private Throwable detail; |
| private int detailButtonID = -1; |
| private Text text; |
| private String message; |
| //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; |
| |
| public ErrorDialog(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; |
| message = dialogMessage; |
| setShellStyle(getShellStyle() | SWT.APPLICATION_MODAL | SWT.RESIZE); |
| } |
| |
| //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; |
| */ |
| 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 |
| * @return the drop-down list component |
| */ |
| protected void createDropDownText(Composite parent) { |
| // create the list |
| text = new Text(parent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL); |
| // print the stacktrace in the text field |
| try { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| PrintStream ps = new PrintStream(baos); |
| detail.printStackTrace(ps); |
| if ((detail instanceof SWTError) && (((SWTError) detail).throwable != null)) { |
| ps.println("\n*** Stack trace of contained exception ***"); //$NON-NLS-1$ |
| ((SWTError) detail).throwable.printStackTrace(ps); |
| } else if ((detail instanceof SWTException) && (((SWTException) detail).throwable != null)) { |
| ps.println("\n*** Stack trace of contained exception ***"); //$NON-NLS-1$ |
| ((SWTException) detail).throwable.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; |
| text.setLayoutData(data); |
| } |
| |
| public static boolean openError(Shell parent, String title, String message, Throwable detail, int defaultIndex, boolean showCancel) { |
| String[] labels; |
| if (detail == null) |
| labels = showCancel ? LABELS_OK_CANCEL : LABELS_OK; |
| else |
| labels = showCancel ? LABELS_OK_CANCEL_DETAILS : LABELS_OK_DETAILS; |
| ErrorDialog dialog = new ErrorDialog(parent, title, null, // accept |
| // the |
| // default |
| // window |
| // icon |
| message, detail, ERROR, labels, defaultIndex); |
| if (detail != null) |
| dialog.setDetailButton(labels.length - 1); |
| return dialog.open() == 0; |
| } |
| |
| protected Control createDialogArea(Composite parent) { |
| // create a composite with standard margins and spacing |
| Composite composite = new Composite(parent, SWT.NONE); |
| GridLayout layout = new GridLayout(); |
| layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN); |
| layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN); |
| layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING); |
| layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING); |
| composite.setLayout(layout); |
| composite.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| composite.setFont(parent.getFont()); |
| ((GridLayout) composite.getLayout()).numColumns = 2; |
| // create image |
| Image image = composite.getDisplay().getSystemImage(SWT.ICON_ERROR); |
| if (image != null) { |
| Label label = new Label(composite, 0); |
| image.setBackground(label.getBackground()); |
| label.setImage(image); |
| label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_CENTER | GridData.VERTICAL_ALIGN_BEGINNING)); |
| } |
| // create message |
| if (message != null) { |
| Label label = new Label(composite, SWT.WRAP); |
| label.setText(message); |
| GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_CENTER); |
| data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH); |
| label.setLayoutData(data); |
| label.setFont(parent.getFont()); |
| } |
| return composite; |
| } |
| } |