Examples with Call org.eclipse.che.api.promises.client.callback.CallbackPromiseHelper.Call used on opensource projects

Example 1 with Call

use of org.eclipse.che.api.promises.client.callback.CallbackPromiseHelper.Call in project che by eclipse.

the class OpenFileAction method promise.

@Override
public Promise<Void> promise(final ActionEvent actionEvent) {
    if (actionEvent.getParameters() == null) {
        return Promises.reject(JsPromiseError.create(localization.canNotOpenFileWithoutParams()));
    }
    final String pathToOpen = actionEvent.getParameters().get(FILE_PARAM_ID);
    if (pathToOpen == null) {
        return Promises.reject(JsPromiseError.create(localization.fileToOpenIsNotSpecified()));
    }
    final Call<Void, Throwable> call = new Call<Void, Throwable>() {

        HandlerRegistration handlerRegistration;

        @Override
        public void makeCall(final Callback<Void, Throwable> callback) {
            actionCompletedCallback = callback;
            handlerRegistration = eventBus.addHandler(ActivePartChangedEvent.TYPE, new ActivePartChangedHandler() {

                @Override
                public void onActivePartChanged(ActivePartChangedEvent event) {
                    if (event.getActivePart() instanceof EditorPartPresenter) {
                        EditorPartPresenter editor = (EditorPartPresenter) event.getActivePart();
                        handlerRegistration.removeHandler();
                        if (Path.valueOf(pathToOpen).equals(editor.getEditorInput().getFile().getLocation())) {
                            callback.onSuccess(null);
                        }
                    }
                }
            });
            actionPerformed(actionEvent);
        }
    };
    return createFromCallback(call);
}