/*
* 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 com.gadglet.client.gwt.ui;
import com.gadglet.client.gwt.GadgetConfig;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
/**
* Class responsible for displaying errors.
*/
public class DebugDialogBox {
private static DebugDialogBox errorNotifier;
public static DebugDialogBox getErrorNotifier() {
if (errorNotifier == null) {
errorNotifier = new DebugDialogBox();
}
return errorNotifier;
}
private DialogBox dialogBox;
private Label codeLabel;
private HTML detailsHTML;
private Button detailsButton;
private DebugDialogBox() {
dialogBox = new DialogBox();
dialogBox.setText("Error occurred");
dialogBox.setAnimationEnabled(true);
codeLabel = new Label();
detailsHTML = new HTML();
detailsHTML.setVisible(false);
detailsButton = new Button("Show details");
detailsButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
toggleDetails();
}
});
final Button closeButton = new Button("Close");
closeButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
dialogBox.hide();
}
});
VerticalPanel dialogVPanel = new VerticalPanel();
dialogVPanel.setStylePrimaryName("error-panel");
dialogVPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_DEFAULT);
dialogVPanel.add(codeLabel);
ScrollPanel panel = new ScrollPanel(detailsHTML);
panel.setSize("200px", "150px");
FlowPanel buttons = new FlowPanel();
buttons.add(detailsButton);
buttons.add(closeButton);
dialogVPanel.add(buttons);
dialogVPanel.add(panel);
dialogBox.setWidget(dialogVPanel);
}
public void showError(int code, String details) {
GadgetConfig gc = GadgetConfig.getGadgetConfig();
if(gc != null && gc.isDebugMode())
{
codeLabel.setText("Error code: " + code);
detailsHTML.setHTML(details);
if (detailsHTML.isVisible()) {
toggleDetails();
}
dialogBox.center();
}
}
private void toggleDetails() {
detailsHTML.setVisible(!detailsHTML.isVisible());
if (detailsHTML.isVisible()) {
detailsButton.setText("Hide details");
} else {
detailsButton.setText("Show details");
}
dialogBox.center();
}
}