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 setCursor(int i_cursorId) {
// save current cursor
Control ctrl = getCurrentViewer().getControl();
while (ctrl != null) {
if (ctrl.getCursor() != null) {
m_pushedCursor = ctrl.getCursor();
break;
}
ctrl = ctrl.getParent();
}
m_pushedCursor = getCurrentViewer().getControl().getDisplay().getSystemCursor(SWT.CURSOR_ARROW);
// hide cursor and save position
ctrl = getCurrentViewer().getControl();
Display display = ctrl.getDisplay();
Cursor cursor = display.getSystemCursor(i_cursorId);
ctrl.setCursor(cursor);
}
@Override
public void run() {
Display display = Display.getCurrent();
Shell shell = display.getActiveShell();
Cursor cursor = shell == null ? null : shell.getCursor();
try {
if (shell != null) {
shell.setCursor(display.getSystemCursor(SWT.CURSOR_WAIT));
}
setEnabled(false);
if (installButton != null) {
installButton.setEnabled(false);
}
DiscoveryUi.install(discoveryViewer.getInstallableConnectors(), SoftwarePage.this);
} finally {
if (shell != null) {
shell.setCursor(cursor);
}
setEnabled(true);
if (installButton != null) {
installButton.setEnabled(true);
}
}
}