/**
* 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.wave.client.wavepanel.view.dom.full;
import com.google.common.base.Preconditions;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.StyleInjector;
import com.google.gwt.resources.client.ClientBundle;
import com.google.gwt.resources.client.CssResource;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.TextBox;
import org.waveprotocol.wave.client.common.util.WaveRefConstants;
import org.waveprotocol.wave.client.wavepanel.view.BlipLinkPopupView;
import org.waveprotocol.wave.client.widget.popup.AlignedPopupPositioner;
import org.waveprotocol.wave.client.widget.popup.PopupChrome;
import org.waveprotocol.wave.client.widget.popup.PopupChromeFactory;
import org.waveprotocol.wave.client.widget.popup.PopupEventListener;
import org.waveprotocol.wave.client.widget.popup.PopupEventSourcer;
import org.waveprotocol.wave.client.widget.popup.PopupFactory;
import org.waveprotocol.wave.client.widget.popup.UniversalPopup;
/**
* Widget implementation of a blip link info popup.
*
* @author vega113@gmail.com (Yuri Z.)
*/
public final class BlipLinkPopupWidget extends Composite
implements BlipLinkPopupView, PopupEventListener {
interface Binder extends UiBinder<HTMLPanel, BlipLinkPopupWidget> {
}
/** Resources used by this widget. */
public interface Resources extends ClientBundle {
/** CSS */
@Source("BlipLinkPopupWidget.css")
Style style();
}
interface Style extends CssResource {
String explanation();
String link();
String waverefLink();
String self();
String title();
}
private final static Binder BINDER = GWT.create(Binder.class);
@UiField(provided = true)
final static Style style = GWT.<Resources> create(Resources.class).style();
static {
// StyleInjector's default behaviour of deferred injection messes up
// popups, which do synchronous layout queries for positioning. Therefore,
// we force synchronous injection.
StyleInjector.inject(style.getText(), true);
}
@UiField
TextBox linkInfoBox;
@UiField
TextBox waverefLink;
/** Popup containing this widget. */
private final UniversalPopup popup;
/** Optional listener for view events. */
private Listener listener;
/**
* Creates link info popup.
*/
public BlipLinkPopupWidget(Element relative) {
initWidget(BINDER.createAndBindUi(this));
// Wrap in a popup.
PopupChrome chrome = PopupChromeFactory.createPopupChrome();
popup = PopupFactory.createPopup(relative, AlignedPopupPositioner.ABOVE_RIGHT, chrome, true);
popup.add(this);
popup.addPopupEventListener(this);
}
@Override
public void init(Listener listener) {
Preconditions.checkState(this.listener == null);
Preconditions.checkArgument(listener != null);
this.listener = listener;
}
@Override
public void reset() {
Preconditions.checkState(this.listener != null);
this.listener = null;
linkInfoBox.setText(null);
}
@Override
public void setLinkInfo(String url) {
linkInfoBox.setText(url);
String path = GWT.getHostPageBaseURL() + "waveref/" + url.substring(WaveRefConstants.WAVE_URI_PREFIX.length());
waverefLink.setText(path);
}
@Override
public void show() {
popup.show();
}
@Override
public void hide() {
popup.hide();
}
@Override
public void onShow(PopupEventSourcer source) {
if (listener != null) {
listener.onShow();
}
linkInfoBox.selectAll();
}
@Override
public void onHide(PopupEventSourcer source) {
if (listener != null) {
listener.onHide();
}
}
}