auth-portlet-manager/src/main/java/org/gcube/portlets/admin/authportletmanager/client/widget/ActionCellClass.java

81 lines
2.6 KiB
Java

package org.gcube.portlets.admin.authportletmanager.client.widget;
import static com.google.gwt.dom.client.BrowserEvents.CLICK;
import static com.google.gwt.dom.client.BrowserEvents.KEYDOWN;
import com.google.gwt.cell.client.AbstractCell;
import com.google.gwt.cell.client.ActionCell.Delegate;
import com.google.gwt.cell.client.ValueUpdater;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.EventTarget;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
public class ActionCellClass<C> extends AbstractCell<C> {
private final SafeHtml html;
private final Delegate<C> delegate;
/**
* Construct a new {@link ActionCellClass}.
*
* @param message the message to display on the button
* @param delegate the delegate that will handle events
*/
public ActionCellClass(SafeHtml message, Delegate<C> delegate) {
super(CLICK, KEYDOWN);
this.delegate = delegate;
String cssClass="";
if (message.asString().toLowerCase().equals("delete"))
cssClass="btn-danger";
this.html = new SafeHtmlBuilder().appendHtmlConstant(
"<button class=\"btn btn_"+message.asString().toLowerCase()+" "+cssClass+" \" type=\"button\" tabindex=\"-1\">").appendHtmlConstant(
"</button>").toSafeHtml();
}
/**
* Construct a new {@link ActionCellClass} with a text String that does not contain
* HTML markup.
*
* @param text the text to display on the button
* @param delegate the delegate that will handle events
*/
public ActionCellClass(String text, Delegate<C> delegate) {
this(SafeHtmlUtils.fromString(text), delegate);
}
@Override
public void onBrowserEvent(Context context, Element parent, C value,
NativeEvent event, ValueUpdater<C> valueUpdater) {
super.onBrowserEvent(context, parent, value, event, valueUpdater);
if (CLICK.equals(event.getType())) {
EventTarget eventTarget = event.getEventTarget();
if (!Element.is(eventTarget)) {
return;
}
if (parent.getFirstChildElement().isOrHasChild(Element.as(eventTarget))) {
// Ignore clicks that occur outside of the main element.
onEnterKeyDown(context, parent, value, event, valueUpdater);
}
}
}
@Override
public void render(Context context, C value, SafeHtmlBuilder sb) {
sb.append(html);
}
@Override
protected void onEnterKeyDown(Context context, Element parent, C value,
NativeEvent event, ValueUpdater<C> valueUpdater) {
delegate.execute(value);
}
}