/**
* 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();
}
}
/** Performs the initialization of the workflow. */
protected void initWorkflow() {
// start the workflow
// TODO: This can potentially freeze up the ui if the fist state
// does alot of work in the #init(IProgressMonitor) method. Perhaps
// it should be made part of the contract of the dialog that the pipe
// already be started before open is called.
final Workflow pipe = getWizard().getWorkflow();
final IRunnableWithProgress runnable =
new IRunnableWithProgress() {
public void run(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
if (!pipe.started) pipe.start(monitor);
}
};
if (Display.getCurrent() != null) {
try {
runnable.run(ProgressManager.instance().get());
} catch (Exception e) {
throw (RuntimeException) new RuntimeException().initCause(e);
}
} else {
PlatformGIS.syncInDisplayThread(
new Runnable() {
public void run() {
try {
PlatformUI.getWorkbench().getActiveWorkbenchWindow().run(false, false, runnable);
} catch (Throwable e) {
throw new RuntimeException(e);
}
}
});
}
}
private static Collection<String> extractEPSG(
final IMap map, final CoordinateReferenceSystem crs) {
if (CRS.equalsIgnoreMetadata(crs, DefaultGeographicCRS.WGS84)) {
return Collections.singleton(EPSG_4326);
}
final Collection<String> codes = new HashSet<String>();
codes.addAll(CRSUtil.extractAuthorityCodes(crs));
final String DONT_FIND = "DONT_FIND";
boolean search = map.getBlackboard().get(EPSG_CODE) != DONT_FIND;
if (codes.isEmpty() && search) {
PlatformGIS.syncInDisplayThread(
new Runnable() {
public void run() {
Shell shell = Display.getCurrent().getActiveShell();
ProgressMonitorDialog dialog = new ProgressMonitorDialog(shell);
try {
dialog.run(
false,
true,
new IRunnableWithProgress() {
public void run(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
CoordinateReferenceSystem found = CRSUtil.findEPSGCode(crs, monitor);
if (found == null) {
return;
}
ViewportModel model = (ViewportModel) map.getViewportModel();
model.eSetDeliver(false);
try {
model.setCRS(found);
codes.addAll(CRSUtil.extractAuthorityCodes(found));
} finally {
model.eSetDeliver(true);
}
}
});
} catch (InvocationTargetException e) {
WMSPlugin.log("Error tracking down EPSG Code", e);
dontFind(map, DONT_FIND);
} catch (InterruptedException e) {
WMSPlugin.log("Error tracking down EPSG Code", e);
dontFind(map, DONT_FIND);
}
dontFind(map, DONT_FIND);
}
});
}
return codes;
}
public static void showWhile(
final ViewportPane pane, final Display display, final Runnable runnable) {
PlatformGIS.syncInDisplayThread(
new Runnable() {
public void run() {
pane.setCursor(display.getSystemCursor(SWT.CURSOR_WAIT));
org.eclipse.swt.custom.BusyIndicator.showWhile(display, runnable);
pane.setCursor(null);
}
});
}
public void backward(State current, State next) {
if (headless) return;
// move the wizard to the previous page
PlatformGIS.syncInDisplayThread(
new Runnable() {
public void run() {
backPressedSuper();
}
});
}
