next.celebs.ui.OverlayWrapper.java Source code

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Here is the source code for next.celebs.ui.OverlayWrapper.java

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/*
 * Copyright 2011 Vancouver Ywebb Consulting Ltd
 * 
 * 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 next.celebs.ui;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.HasClickHandlers;
import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.PopupPanel;

class OverlayWrapper {

    class OverlayPanel extends PopupPanel implements HasClickHandlers {
        OverlayPanel() {
            super(false, true);
            addStyleName("overlay-bg");
            sinkEvents(Event.ONCLICK);
        }

        @Override
        public HandlerRegistration addClickHandler(ClickHandler handler) {
            return addHandler(handler, ClickEvent.getType());
        }
    }

    private OverlayPanel overlay;

    private PopupPanel popup;

    public OverlayWrapper(PopupPanel popupPanel) {

        this.popup = popupPanel;
        popup.addStyleName("overlay-popup");

        popupPanel.addCloseHandler(new CloseHandler<PopupPanel>() {
            @Override
            public void onClose(CloseEvent<PopupPanel> event) {
                overlay.hide();
            }
        });

        overlay = new OverlayPanel();
        overlay.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                overlay.hide();
                popup.hide();
            }
        });
    }

    public void showOverlay() {
        // IE Window.getClientHeight() might not work.
        // JavaScriptObject pageSize = JSInvoker.getPageSize();
        // String[] array = pageSize.toString().split(",");
        // DOM.setStyleAttribute(overlay.getElement(), "height", array[1] + "px");
        DOM.setStyleAttribute(overlay.getElement(), "height", Window.getClientHeight() + "px");
        overlay.show();
    }
}