+ * Normally one should use openError to create and open one of these.
+ * This constructor is useful only if the error object being displayed contains child
+ * items
null to indicate that the default title should be used
+ * @param message the message to show in this dialog,
+ * or null to indicate that the error's message should be shown
+ * as the primary message
+ * @param status the error to show to the user
+ * @param displayMask the mask to use to filter the displaying of child items,
+ * as per IStatus.matches
+ * @see org.eclipse.core.runtime.IStatus#matches(int)
+ */
+ public ExceptionDisplayDialog(
+ Shell parentShell,
+ String dialogTitle,
+ String message,
+ Throwable throwable) {
+ super(parentShell);
+
+ this.title = dialogTitle;
+ this.message = message;
+ this.throwable = throwable;
+
+ setShellStyle(SWT.DIALOG_TRIM | SWT.RESIZE | SWT.APPLICATION_MODAL);
+ }
+
+ /* (non-Javadoc)
+ * Method declared on Dialog.
+ * Handles the pressing of the Ok or Details button in this dialog.
+ * If the Ok button was pressed then close this dialog. If the Details
+ * button was pressed then toggle the displaying of the error details area.
+ * Note that the Details button will only be visible if the error being
+ * displayed specifies child details.
+ */
+ protected void buttonPressed(int id) {
+ if (id == IDialogConstants.DETAILS_ID) {
+ // was the details button pressed?
+ toggleDetailsArea();
+ } else {
+ super.buttonPressed(id);
+ }
+ }
+ /* (non-Javadoc)
+ * Method declared in Window.
+ */
+ protected void configureShell(Shell shell) {
+ super.configureShell(shell);
+ shell.setText(title);
+ }
+ /* (non-Javadoc)
+ * Method declared on Dialog.
+ */
+ protected void createButtonsForButtonBar(Composite parent) {
+ // create OK and Details buttons
+ createButton(
+ parent,
+ IDialogConstants.OK_ID,
+ IDialogConstants.OK_LABEL,
+ true);
+ this.detailsButton =
+ createButton(
+ parent,
+ IDialogConstants.DETAILS_ID,
+ IDialogConstants.SHOW_DETAILS_LABEL,
+ false);
+ }
+
+ 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);
+ GridData childData = new GridData(GridData.FILL_BOTH);
+ childData.horizontalSpan = 2;
+ composite.setLayoutData(childData);
+ composite.setFont(parent.getFont());
+
+ Label label = new Label(composite, 0);
+ label.setText(this.message);
+ label.setFont(parent.getFont());
+
+
+ GridData full = new GridData();
+ full.horizontalAlignment = GridData.FILL;
+ full.verticalAlignment = GridData.FILL;
+ full.heightHint = convertHeightInCharsToPixels(3);
+ full.widthHint = convertWidthInCharsToPixels(60);
+ label.setLayoutData(full);
+
+ return composite;
+
+ }
+
+ /**
+ * Create the expandable details arae.
+ *
+ * @param parent the parent composite
+ * @return the details text control
+ */
+ protected Control createDetailsArea(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);
+ GridData childData = new GridData(GridData.FILL_BOTH);
+ childData.horizontalSpan = 2;
+ composite.setLayoutData(childData);
+ composite.setFont(parent.getFont());
+
+ Label label = new Label(composite, 0);
+ label.setText(Messages.getString("ExceptionDisplayDialog.stackTrace"));
+ label.setFont(parent.getFont());
+
+ GridData full = new GridData();
+ full.horizontalAlignment = GridData.FILL;
+ full.verticalAlignment = GridData.FILL;
+ full.heightHint = convertHeightInCharsToPixels(3);
+ full.widthHint = convertWidthInCharsToPixels(60);
+ label.setLayoutData(full);
+
+ Text text =
+ new Text(
+ composite,
+ SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI);
+
+ text.setText(this.throwable.getMessage());
+
+ GridData data =
+ new GridData(
+ GridData.HORIZONTAL_ALIGN_FILL
+ | GridData.GRAB_HORIZONTAL
+ | GridData.VERTICAL_ALIGN_FILL
+ | GridData.GRAB_VERTICAL);
+ data.heightHint = convertHeightInCharsToPixels(8);
+ text.setLayoutData(data);
+ text.setFont(parent.getFont());
+
+ this.detailsShown = true;
+ return composite;
+ }
+ /**
+ * Opens an error dialog to display the given error. Use this method if the
+ * error object being displayed contains child items null if none
+ * @param dialogTitle the title to use for this dialog,
+ * or null to indicate that the default title should be used
+ * @param message the message to show in this dialog,
+ * or null to indicate that the error's message should be shown
+ * as the primary message
+ * as per IStatus.matches
+ * @return the code of the button that was pressed that resulted in this dialog
+ * closing. This will be Dialog.OK if the OK button was
+ * pressed, or Dialog.CANCEL if this dialog's close window
+ * decoration or the ESC key was used.
+ * @see org.eclipse.core.runtime.IStatus#matches(int)
+ */
+ public static int openError(
+ Shell parentShell,
+ String title,
+ String message,
+ Throwable throwable) {
+
+ if (title == null) {
+ title = Messages.getString(ExceptionDisplayDialog.class.getName() +
+ "." + throwable.getClass().getName() + ".title");
+ }
+ if (message == null) {
+ message = Messages.getString(ExceptionDisplayDialog.class.getName() +
+ "." + throwable.getClass().getName() + ".message");
+ }
+ ExceptionDisplayDialog dialog =
+ new ExceptionDisplayDialog(parentShell, title, message, throwable);
+ return dialog.open();
+ }
+
+ /**
+ * 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 = getShell().computeSize(SWT.DEFAULT, SWT.DEFAULT);
+
+ if (this.detailsShown) {
+ this.detailsArea.dispose();
+ this.detailsShown = false;
+ detailsButton.setText(IDialogConstants.SHOW_DETAILS_LABEL);
+ } else {
+ this.detailsArea = createDetailsArea((Composite) getContents());
+ detailsButton.setText(IDialogConstants.HIDE_DETAILS_LABEL);
+ }
+
+ Point newSize = getShell().computeSize(SWT.DEFAULT, SWT.DEFAULT);
+
+ getShell().setSize(
+ new Point(windowSize.x, windowSize.y + (newSize.y - oldSize.y)));
+
+ }
+}