private Object aboutToStart(boolean cancelable) {
Map savedState = null;
Shell shell = getShell();
if (shell != null) {
// Save focus control
Control focusControl = getShell().getDisplay().getFocusControl();
if (focusControl != null && focusControl.getShell() != getShell()) focusControl = null;
Button cancelButton = getButton(IDialogConstants.CANCEL_ID);
// Set the busy cursor to all shells.
Display d = getShell().getDisplay();
setDisplayCursor(d, d.getSystemCursor(SWT.CURSOR_WAIT));
// Set the arrow cursor to the cancel component.
cancelButton.setCursor(d.getSystemCursor(SWT.CURSOR_ARROW));
boolean hasProgressMonitor = fProgressMonitorPart != null;
// Deactivate shell
savedState = saveUIState(false);
if (focusControl != null) savedState.put("focus", focusControl); // $NON-NLS-1$
if (hasProgressMonitor) {
if (cancelable) fProgressMonitorPart.attachToCancelComponent(cancelButton);
fStatusContainer.showPage(fProgressMonitorPart);
}
// Update the status container since we are blocking the event loop right now.
fStatusContainer.update();
}
return savedState;
}
private void makeVisible(IWizardPage page) {
if (fVisiblePage == page) return;
if (fVisiblePage != null) fVisiblePage.setVisible(false);
fVisiblePage = page;
fPageContainer.showPage(page.getControl());
fVisiblePage.setVisible(true);
}
private void saveSize() {
if (fCurrentPage instanceof PreviewWizardPage) {
Control control = fPageContainer.getTopPage();
Point size = control.getSize();
fSettings.put(WIDTH, size.x);
fSettings.put(HEIGHT, size.y);
}
}
protected Control createContents(Composite parent) {
Composite result = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
layout.verticalSpacing = 0;
layout.horizontalSpacing = 0;
result.setLayout(layout);
result.setLayoutData(new GridData(GridData.FILL_BOTH));
// initialize the dialog units
initializeDialogUnits(result);
fPageContainer = new PageBook(result, SWT.NONE);
GridData gd = new GridData(GridData.FILL_BOTH);
fPageContainer.setLayoutData(gd);
fCurrentPage = fWizard.getStartingPage();
dialogArea = fPageContainer;
if (fCurrentPage instanceof PreviewWizardPage) {
gd.widthHint = fPreviewWidth;
gd.heightHint = fPreviewHeight;
}
fStatusContainer = new PageBook(result, SWT.NONE);
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.widthHint = convertWidthInCharsToPixels(fWizard.getMessageLineWidthInChars());
fStatusContainer.setLayoutData(gd);
if (fWizard.needsProgressMonitor()) createProgressMonitorPart();
createMessageBox();
fStatusContainer.showPage(fMessageBox);
buttonBar = createButtonBar(result);
if (fCurrentPage != null) {
fCurrentPage.createControl(fPageContainer);
makeVisible(fCurrentPage);
updateMessage();
updateButtons();
}
applyDialogFont(result);
return result;
}
private void stopped(Object savedState) {
Shell shell = getShell();
if (shell != null) {
Button cancelButton = getButton(IDialogConstants.CANCEL_ID);
if (fProgressMonitorPart != null)
fProgressMonitorPart.removeFromCancelComponent(cancelButton);
fStatusContainer.showPage(fMessageBox);
Map state = (Map) savedState;
restoreUIState(state);
setDisplayCursor(shell.getDisplay(), null);
cancelButton.setCursor(null);
Control focusControl = (Control) state.get("focus"); // $NON-NLS-1$
if (focusControl != null) focusControl.setFocus();
}
}
private void resize() {
if (isFirstPage()) {
getShell().setBounds(fInitialSize);
return;
}
Control control = fPageContainer.getTopPage();
Point size = control.getSize();
int dw = Math.max(0, fPreviewWidth - size.x);
int dh = Math.max(0, fPreviewHeight - size.y);
int dx = dw / 2;
int dy = dh / 2;
Shell shell = getShell();
Rectangle rect = shell.getBounds();
Rectangle clientRect = shell.getMonitor().getClientArea();
rect.x = Math.max(clientRect.x, rect.x - dx);
rect.y = Math.max(clientRect.y, rect.y - dy);
// limit with and height to monitor
rect.width = Math.min(rect.width + dw, clientRect.width);
rect.height = Math.min(rect.height + dh, clientRect.height);
// Reposition the dialog so that it will be fully visible.
// Normalize x and y relative to the client area.
int xe = (rect.x - clientRect.x) + rect.width;
if (xe > clientRect.width) {
rect.x -= xe - clientRect.width;
}
int ye = (rect.y - clientRect.y) + rect.height;
if (ye > clientRect.height) {
rect.y -= ye - clientRect.height;
}
shell.setBounds(rect);
}
/* (non-Javadoc)
* Method declared on IWizardContainer.
*/
public void updateMessage() {
if (fStatusContainer == null || fStatusContainer.isDisposed()) return;
fStatusContainer.showPage(fMessageBox);
fMessageBox.setMessage(fCurrentPage);
}
