cc.kune.gadgetsampledeploy.client.KuneGadgetSample.java Source code

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Here is the source code for cc.kune.gadgetsampledeploy.client.KuneGadgetSample.java

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/*
 *
 * Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under 
 * one or more contributor license agreements (see COPYRIGHT for details).
 * The CA licenses this file to you under the GNU Affero General Public 
 * License version 3, (the "License"); you may not use this file except in 
 * compliance with the License. This file is part of kune.
 *
 * 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 Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package cc.kune.gadgetsampledeploy.client;

import cc.kune.gadgetsample.client.KuneGadgetSampleMainPanel;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.gadgets.client.DynamicHeightFeature;
import com.google.gwt.gadgets.client.Gadget;
import com.google.gwt.gadgets.client.NeedsDynamicHeight;
import com.google.gwt.gadgets.client.NeedsSetPrefs;
import com.google.gwt.gadgets.client.SetPrefsFeature;
import com.google.gwt.gadgets.client.UserPreferences;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.RootPanel;
import com.thezukunft.wave.connector.GadgetUpdateEvent;
import com.thezukunft.wave.connector.GadgetUpdateEventHandler;
import com.thezukunft.wave.connectorimpl.NeedsWave;
import com.thezukunft.wave.connectorimpl.WaveGINWrapper;
import com.thezukunft.wave.connectorimpl.WaveGadget;

// TODO: Auto-generated Javadoc
/**
 * The Class KuneGadgetSample.
 * 
 * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado)
 */
@Gadget.ModulePrefs( //
        title = "Kune gadget sample", //
        author = "The kune development team", //
        author_link = "http://kune.ourproject.org", //
        height = 640// , //
// width=550 //
// Commented only to use 100% width (see WAVE-309)//
)
@Gadget.InjectContent(files = { "ModuleContent.txt" })
public class KuneGadgetSample extends WaveGadget<UserPreferences>
        implements NeedsWave, EntryPoint, NeedsDynamicHeight, NeedsSetPrefs {

    // private MassmobPreferences userPrefsFeature;

    /** The dyn height feature. */
    private DynamicHeightFeature dynHeightFeature;

    /** The gin. */
    protected KuneGadgetSampleDeployGinjector gin;

    /** The set prefs feature. */
    private SetPrefsFeature setPrefsFeature;

    /**
     * Check ready.
     */
    private void checkReady() {
        if (dynHeightFeature != null && setPrefsFeature != null) {
            initGadget();
        }
    }

    /**
     * Creates the ui objects.
     */
    private void createUIObjects() {
        gin = GWT.create(KuneGadgetSampleDeployGinjector.class);
        final WaveGINWrapper w = (WaveGINWrapper) gin.getWave();
        w.setWave(getWave());

        final KuneGadgetSampleMainPanel mainPanel = gin.getMainPanel();

        gin.getEventBus().addHandler(GadgetUpdateEvent.TYPE, new GadgetUpdateEventHandler() {
            @Override
            public void onUpdate(final GadgetUpdateEvent event) {
                setHeight(mainPanel);
            }
        });
        Scheduler.get().scheduleDeferred(new ScheduledCommand() {
            @Override
            public void execute() {
                dynHeightFeature.getContentDiv().add(mainPanel);
                setHeight(mainPanel);
            }
        });
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * com.google.gwt.gadgets.client.Gadget#init(com.google.gwt.gadgets.client
     * .UserPreferences)
     */
    @Override
    protected void init(final UserPreferences preferences) {
    }

    /**
     * Inits the gadget.
     */
    private void initGadget() {
        Scheduler.get().scheduleDeferred(new ScheduledCommand() {
            private Timer timer;

            @Override
            public void execute() {
                if (getWave().isInWaveContainer()) {
                    // We only create and initialize the gadget panel when we are running
                    // in a the wave container. If not we wait.
                    timer = new Timer() {
                        @Override
                        public void run() {
                            if (getWave().getState() == null) {
                                timer.schedule(100);
                            } else {
                                // Ok state ready, create widget
                                timer.cancel();
                                createUIObjects();
                            }
                        }
                    };
                    timer.run();
                } else {
                    GWT.log("The gadget is not running in a wave container");
                }
            }
        });
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * com.google.gwt.gadgets.client.NeedsDynamicHeight#initializeFeature(com.
     * google.gwt.gadgets.client.DynamicHeightFeature)
     */
    @Override
    public void initializeFeature(final DynamicHeightFeature dynHeightFeature) {
        this.dynHeightFeature = dynHeightFeature;
        checkReady();
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * com.google.gwt.gadgets.client.NeedsSetPrefs#initializeFeature(com.google
     * .gwt.gadgets.client.SetPrefsFeature)
     */
    @Override
    public void initializeFeature(final SetPrefsFeature feature) {
        this.setPrefsFeature = feature;
        checkReady();
    }

    /**
     * Sets the height.
     * 
     * @param gadget
     *          the new height
     */
    private void setHeight(final KuneGadgetSampleMainPanel gadget) {
        dynHeightFeature.adjustHeight();
    }
}