/**
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.waveprotocol.box.webclient.widget.error;
import com.google.gwt.user.client.ui.Panel;
import org.waveprotocol.wave.client.common.safehtml.SafeHtml;
/**
* Presents an error message, with asynchronous addition of detail.
*/
public final class ErrorIndicatorPresenter implements ErrorIndicatorView.Listener {
/** View controlled by this presenter. */
private final ErrorIndicatorView ui;
private ErrorIndicatorPresenter(ErrorIndicatorView ui) {
this.ui = ui;
}
/**
* Creates an error indicator.
*
* @param container panel to which this widget is to be attached
*/
public static ErrorIndicatorPresenter create(Panel container) {
ErrorIndicatorWidget ui = ErrorIndicatorWidget.create();
ErrorIndicatorPresenter presenter = new ErrorIndicatorPresenter(ui);
ui.init(presenter);
container.add(ui);
return presenter;
}
/**
* Adds extra detail about the error to the indicator.
*
* @param stack a stack trace
* @param bug a bug report
*/
public void addDetail(SafeHtml stack, SafeHtml bug) {
ui.setStack(stack);
if (bug != null) {
ui.setBug(bug);
}
ui.showDetailLink();
}
@Override
public void onShowDetailClicked() {
ui.hideDetailLink();
ui.expandDetailBox();
}
}