/*
* Copyright (c) 2015 Washington State Department of Transportation
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
package gov.wa.wsdot.mobile.client.activities.socialmedia.facebook;
import com.google.gwt.aria.client.LiveValue;
import com.google.gwt.aria.client.Roles;
import com.google.gwt.core.client.GWT;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Widget;
import com.googlecode.mgwt.dom.client.event.tap.TapEvent;
import com.googlecode.mgwt.ui.client.MGWT;
import com.googlecode.mgwt.ui.client.widget.base.HasRefresh;
import com.googlecode.mgwt.ui.client.widget.header.HeaderTitle;
import com.googlecode.mgwt.ui.client.widget.list.celllist.CellList;
import com.googlecode.mgwt.ui.client.widget.list.celllist.CellSelectedEvent;
import com.googlecode.mgwt.ui.client.widget.panel.flex.FlexSpacer;
import com.googlecode.mgwt.ui.client.widget.panel.pull.PullArrowHeader;
import com.googlecode.mgwt.ui.client.widget.panel.pull.PullArrowWidget;
import com.googlecode.mgwt.ui.client.widget.panel.pull.PullPanel;
import com.googlecode.mgwt.ui.client.widget.panel.pull.PullPanel.Pullhandler;
import com.googlecode.mgwt.ui.client.widget.progress.ProgressIndicator;
import gov.wa.wsdot.mobile.client.util.ParserUtils;
import gov.wa.wsdot.mobile.client.widget.SimpleListItem;
import gov.wa.wsdot.mobile.client.widget.button.image.BackImageButton;
import gov.wa.wsdot.mobile.shared.FacebookItem;
import java.util.List;
public class FacebookViewGwtImpl extends Composite implements FacebookView {
/**
* The UiBinder interface.
*/
interface FacebookViewGwtImplUiBinder extends
UiBinder<Widget, FacebookViewGwtImpl> {
}
/**
* The UiBinder used to generate the view.
*/
private static FacebookViewGwtImplUiBinder uiBinder = GWT
.create(FacebookViewGwtImplUiBinder.class);
@UiField
HeaderTitle heading;
@UiField(provided = true)
CellList<FacebookItem> cellList;
@UiField
BackImageButton backButton;
@UiField
FlexSpacer leftFlexSpacer;
@UiField(provided = true)
PullPanel pullToRefresh;
@UiField
FlowPanel flowPanel;
@UiField
ProgressIndicator progressIndicator;
private Presenter presenter;
private PullArrowHeader pullArrowHeader;
public FacebookViewGwtImpl() {
pullToRefresh = new PullPanel();
pullArrowHeader = new PullArrowHeader();
pullToRefresh.setHeader(pullArrowHeader);
cellList = new CellList<FacebookItem>(new SimpleListItem<FacebookItem>() {
@Override
public String getDisplayDescription(FacebookItem model) {
return model.getHtmlFormattedMessage();
}
@Override
public String getDisplayLastUpdated(FacebookItem model) {
return ParserUtils.relativeTime(model.getCreatedAt(),
"yyyy-MM-dd'T'HH:mm:ss.SSSZ", true);
}
@Override
public boolean canBeSelected(FacebookItem model) {
return false;
}
});
initWidget(uiBinder.createAndBindUi(this));
accessibilityPrepare();
if (MGWT.getOsDetection().isAndroid()) {
leftFlexSpacer.setVisible(false);
}
}
@UiHandler("cellList")
protected void onCellSelected(CellSelectedEvent event) {
if (presenter != null) {
int index = event.getIndex();
presenter.onItemSelected(index);
}
}
@UiHandler("backButton")
protected void onBackButtonPressed(TapEvent event) {
if (presenter != null) {
presenter.onBackButtonPressed();
}
}
@Override
public void render(List<FacebookItem> createPostList) {
cellList.render(createPostList);
}
@Override
public void showProgressIndicator() {
progressIndicator.setVisible(true);
}
@Override
public void hideProgressIndicator() {
progressIndicator.setVisible(false);
}
@Override
public void refresh() {
pullToRefresh.refresh();
}
@Override
public void setPresenter(Presenter presenter) {
this.presenter = presenter;
}
@Override
public void setSelected(int lastIndex, boolean b) {
cellList.setSelectedIndex(lastIndex, b);
}
@Override
public void setHeaderPullHandler(Pullhandler pullHandler) {
pullToRefresh.setHeaderPullHandler(pullHandler);
}
@Override
public PullArrowWidget getPullHeader() {
return pullArrowHeader;
}
@Override
public HasRefresh getPullPanel() {
return pullToRefresh;
}
private void accessibilityPrepare(){
// Add ARIA roles for accessibility
Roles.getButtonRole().set(backButton.getElement());
Roles.getButtonRole().setAriaLabelProperty(backButton.getElement(), "back");
Roles.getHeadingRole().set(heading.getElement());
Roles.getProgressbarRole().set(progressIndicator.getElement());
Roles.getProgressbarRole().setAriaLabelProperty(progressIndicator.getElement(), "loading indicator");
Roles.getProgressbarRole().setAriaLiveProperty(progressIndicator.getElement(), LiveValue.ASSERTIVE);
// TODO Hide pull down until we can figure out how to get VoiceOver to work with it
Roles.getButtonRole().setAriaHiddenState(pullArrowHeader.getElement(), true);
}
}