/**
* Runs the dialog in headless mode. The dialog will run headless while the workflow can run.
*
* @param monitor
* @param true if the workflow ran and completed correctly. False if it failed or the user
* cancelled (because user interaction was required)
*/
public boolean runHeadless(IProgressMonitor monitor) {
try {
this.headless = true;
int ticks = getWorkflowWizard().getWorkflow().getStates().length * 10;
monitor.beginTask(Messages.WorkflowWizardDialog_importTask, ticks);
// we must ensure that the contents of the dialog (shell) have been
// creates, needed for wizard pages
if (getShell() == null) {
// do in ui thread
PlatformGIS.syncInDisplayThread(
new Runnable() {
public void run() {
create();
}
});
}
Workflow pipe = getWizard().getWorkflow();
pipe.run(new SubProgressMonitor(monitor, ticks));
final boolean[] result = new boolean[] {true};
if (!pipe.isFinished()) {
// show the page corresponding to the current state
final IWizardPage page = getWizard().getPage(pipe.getCurrentState());
if (page != null) {
// ensure the page has a state if it is a DataPipelinePage
if (page instanceof WorkflowWizardPage) {
WorkflowWizardPage dpPage = (WorkflowWizardPage) page;
if (dpPage.getState() == null) dpPage.setState(pipe.getCurrentState());
}
PlatformGIS.syncInDisplayThread(
new Runnable() {
public void run() {
headless = false;
showPage(page);
if (open() == Window.CANCEL) {
result[0] = false;
}
};
});
}
}
this.headless = false;
return result[0];
} finally {
monitor.done();
}
}
@Override
public void showPage(IWizardPage page) {
super.showPage(page);
// let the page know that is is being shown in the wizard, lets page
// do some lazy initalization of ui widgets, etc.
((WorkflowWizardPage) page).shown();
}