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137 lines
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Java

package org.gcube.portlets.user.gcubeloggedin.client.ui;
import org.gcube.portlets.user.gcubeloggedin.client.LoggedinServiceAsync;
import org.gcube.portlets.user.gcubeloggedin.shared.VObject;
import org.gcube.portlets.user.gcubeloggedin.shared.VREClient;
import org.gcube.portlets.widgets.sessionchecker.client.CheckSession;
import com.github.gwtbootstrap.client.ui.Button;
import com.github.gwtbootstrap.client.ui.Heading;
import com.github.gwtbootstrap.client.ui.Hero;
import com.github.gwtbootstrap.client.ui.Image;
import com.github.gwtbootstrap.client.ui.Paragraph;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.event.dom.client.ClickEvent;
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.Command;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.Window.Location;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Widget;
public class AboutView extends Composite {
private static int MAX_CHAR_DESC = 400;
private static String SEE_LESS = "See less";
private static String SEE_MORE = "See more";
private static AboutViewUiBinder uiBinder = GWT
.create(AboutViewUiBinder.class);
interface AboutViewUiBinder extends UiBinder<Widget, AboutView> {
}
public AboutView() {
initWidget(uiBinder.createAndBindUi(this));
}
private WarningAlert wa;
private String vreDescription;
@UiField Image vreImage;
@UiField Heading vreName;
@UiField HTML description;
@UiField Button seeMore;
@UiField Button leaveButton;
@UiField Hero mainPanel;
private LoggedinServiceAsync loggedinService;
public AboutView(VObject vobj, LoggedinServiceAsync loggedinService) {
initWidget(uiBinder.createAndBindUi(this));
this.loggedinService = loggedinService;
this.vreDescription = vobj.getDescription();
vreName.setText(vobj.getName());
vreImage.setUrl(vobj.getImageURL());
String desc = vreDescription = vobj.getDescription();
if (desc.length() > MAX_CHAR_DESC) {
desc = desc.substring(0, MAX_CHAR_DESC) + " ...";
//description.getElement().setInnerHTML(desc);
description.setHTML(desc);
description.addStyleName("vre-description");
seeMore.setVisible(true);
seeMore.setText(SEE_MORE);
}
if (vobj instanceof VREClient && !vobj.isMandatory()) {
leaveButton.setVisible(true);
wa = new WarningAlert("Are you sure you want to leave this group? "
+ "By leaving this group you will no longer receive updates and lose the workspace folder related to the group.", this);
}
else {
//remove the login button
Scheduler.get().scheduleDeferred(new Command() {
public void execute () {
DOM.getElementById("removable-item-li").removeFromParent();
}
});
}
}
boolean open = false;
@UiHandler("seeMore")
void onSeemore(ClickEvent e) {
GWT.log(seeMore.getText());
if (!open) {
description.setHTML(vreDescription);
seeMore.setText(SEE_LESS);
open = true;
} else {
description.setHTML(vreDescription.substring(0, MAX_CHAR_DESC) + " ...");
seeMore.setText(SEE_MORE);
open = false;
}
}
@UiHandler("leaveButton")
void onUnsubscribe(ClickEvent e) {
mainPanel.add(wa);
}
protected void abandonGroup() {
mainPanel.remove(wa);
final Widget loading = getLoadingHTML();
mainPanel.add(loading);
loggedinService.removeUserFromVRE(new AsyncCallback<String>() {
@Override
public void onSuccess(String result) {
if (result != null)
Location.assign(result);
else
CheckSession.showLogoutDialog();
}
@Override
public void onFailure(Throwable caught) {
mainPanel.remove(loading);
Window.alert("We're sorry we couldn't reach the server, try again later ... " + caught.getMessage());
}
});
}
/**
*
* @return
*/
public static Widget getLoadingHTML() {
return new LoadingText();
}
}