scrum.client.collaboration.EmoticonSelectorWidget.java Source code

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Here is the source code for scrum.client.collaboration.EmoticonSelectorWidget.java

Source

/*
 * Copyright 2011 Witoslaw Koczewsi <wi@koczewski.de>, Artjom Kochtchi
 * 
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero 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 Affero 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 scrum.client.collaboration;

import ilarkesto.gwt.client.Gwt;
import ilarkesto.gwt.client.TableBuilder;
import scrum.client.common.AScrumGwtEntity;
import scrum.client.common.AScrumWidget;
import scrum.client.workspace.VisibleDataChangedEvent;

import com.google.gwt.dom.client.Style;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.FocusPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;

public class EmoticonSelectorWidget extends AScrumWidget {

    private AScrumGwtEntity entity;

    private SimplePanel wrapper;

    public EmoticonSelectorWidget(AScrumGwtEntity entity) {
        super();
        this.entity = entity;
    }

    @Override
    protected Widget onInitialization() {
        wrapper = new SimplePanel();
        wrapper.setStyleName("EmoticonSelectorWidget");
        return wrapper;
    }

    @Override
    protected void onUpdate() {
        Emoticon currentEmoticon = entity.getCurrentUserEmoticon();

        TableBuilder tb = new TableBuilder();
        tb.setWidth(null);
        for (String emotion : Emoticon.EMOTIONS) {
            boolean current = currentEmoticon != null && emotion.equals(currentEmoticon.getEmotion());
            tb.add(createEmoticonWidget(emotion, current));
        }
        tb.add(Gwt.createSpacer(10, 1));
        tb.add(createEmoticonWidget(null, currentEmoticon == null || currentEmoticon.getEmotion() == null));
        wrapper.setWidget(tb.createTable());
    }

    private Widget createEmoticonWidget(String emotion, boolean selected) {
        Image img = new Image(getEmotionImage(emotion), 0, 0, 16, 16);
        Style imgStyle = img.getElement().getStyle();
        imgStyle.setMarginLeft(1, Unit.PX);
        imgStyle.setMarginTop(1, Unit.PX);

        FocusPanel panel = new FocusPanel(img);
        panel.setStyleName("EmoticonSelectorWidget-emoticon");
        if (selected) {
            panel.addStyleName("EmoticonSelectorWidget-emoticon-selected");
        } else {
            panel.addClickHandler(new SelectEmotionClickHandler(emotion));
        }
        return panel;
    }

    private String getEmotionImage(String emotion) {
        if (emotion == null)
            emotion = "none";
        return "emoticons/" + emotion + ".png";
    }

    class SelectEmotionClickHandler implements ClickHandler {

        private String emotion;

        public SelectEmotionClickHandler(String emotion) {
            super();
            this.emotion = emotion;
        }

        public void onClick(ClickEvent event) {
            entity.setCurrentUserEmoticon(emotion);
            new VisibleDataChangedEvent().fireInCurrentScope();
        }
    }
}