es.deusto.weblab.client.experiments.incubator.ui.EggMiniWidget.java Source code

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Here is the source code for es.deusto.weblab.client.experiments.incubator.ui.EggMiniWidget.java

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/*
* Copyright (C) 2012 onwards University of Deusto
* All rights reserved.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution.
*
* This software consists of contributions made by many individuals, 
* listed below:
*
* Author: FILLME
*
*/

package es.deusto.weblab.client.experiments.incubator.ui;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONValue;
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.ui.Composite;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.Widget;

import es.deusto.weblab.client.ui.widgets.IWlDisposableWidget;
import es.deusto.weblab.client.ui.widgets.WlSwitch;
import es.deusto.weblab.client.ui.widgets.WlSwitch.SwitchEvent;
import es.deusto.weblab.client.ui.widgets.WlWebcam;

public class EggMiniWidget extends Composite implements IWlDisposableWidget {

    private static EggMiniWidgetUiBinder uiBinder = GWT.create(EggMiniWidgetUiBinder.class);

    interface EggMiniWidgetUiBinder extends UiBinder<Widget, EggMiniWidget> {
    }

    @UiField
    Label titleLabel;
    @UiField(provided = true)
    WlWebcam webcam;
    @UiField
    WlSwitch lightSwitch;

    private PopupPanel dialogPanel;
    private final IncubatorExperiment experiment;
    private final MainIncubatorPanel parentPanel;
    private String label;

    public EggMiniWidget() {
        this.experiment = null;
        this.parentPanel = null;
        this.webcam = GWT.create(WlWebcam.class);
        initWidget(uiBinder.createAndBindUi(this));
    }

    public EggMiniWidget(IncubatorExperiment experiment, MainIncubatorPanel parentPanel, String label,
            JSONObject configuration) {
        this.experiment = experiment;
        this.parentPanel = parentPanel;

        this.webcam = GWT.create(WlWebcam.class);
        initWidget(uiBinder.createAndBindUi(this));

        configureWebcam(this.webcam, configuration, label);

        this.label = label;
        this.titleLabel.setText(this.label);
        final String webcamUrl = configuration.get("webcam" + this.label).isString().stringValue();
        System.out.println(webcamUrl);
        this.webcam.setUrl(webcamUrl);
        this.webcam.start();
    }

    public void setValue(boolean value) {
        if (this.lightSwitch.isSwitched() != value)
            this.lightSwitch.switchWithoutFiring(value);
    }

    @UiHandler("lightSwitch")
    public void onLightSwitch(SwitchEvent event) {
        if (this.experiment == null)
            return;

        this.experiment.turnLight(this.label, event.isOn());
    }

    public void setLight(boolean lightOn) {
        if (this.lightSwitch.isSwitched() != lightOn)
            this.lightSwitch.switchWithoutFiring(lightOn);
    }

    @UiHandler("more")
    public void onMoreClicked(@SuppressWarnings("unused") ClickEvent event) {
        this.dialogPanel = new PopupPanel(false, true);
        this.dialogPanel.setWidget(new EggHistoryWidget(this.experiment, this.label, this.dialogPanel));
        final int absoluteLeft = this.parentPanel.getAbsoluteLeft() + this.parentPanel.getOffsetWidth() / 4;
        final int absoluteTop = this.parentPanel.getAbsoluteTop() / 2;
        this.dialogPanel.setPopupPosition(absoluteLeft, absoluteTop);
        this.dialogPanel.setSize((this.parentPanel.getOffsetWidth() / 2) + "px", "100%");
        this.dialogPanel.show();
        this.dialogPanel.center();
    }

    @Override
    public void dispose() {
        if (this.dialogPanel != null)
            this.dialogPanel.hide();
        this.webcam.stop();
    }

    private void configureWebcam(WlWebcam webcam, JSONObject initialConfigObject, String number) {
        final JSONValue webcamValue = initialConfigObject.get("webcam" + number);
        if (webcamValue != null) {
            final String urlWebcam = webcamValue.isString().stringValue();
            webcam.setUrl(urlWebcam);
        }

        final JSONValue mjpegValue = initialConfigObject.get("mjpeg" + number);
        if (mjpegValue != null) {
            final String mjpeg = mjpegValue.isString().stringValue();
            int width = 320;
            int height = 240;
            if (initialConfigObject.get("mjpegWidth" + number) != null) {
                final JSONValue mjpegWidth = initialConfigObject.get("mjpegWidth" + number);
                if (mjpegWidth.isNumber() != null) {
                    width = (int) mjpegWidth.isNumber().doubleValue();
                } else if (mjpegWidth.isString() != null) {
                    width = Integer.parseInt(mjpegWidth.isString().stringValue());
                }
            }
            if (initialConfigObject.get("mjpegHeight" + number) != null) {
                final JSONValue mjpegHeight = initialConfigObject.get("mjpegHeight" + number);
                if (mjpegHeight.isNumber() != null) {
                    height = (int) mjpegHeight.isNumber().doubleValue();
                } else if (mjpegHeight.isString() != null) {
                    height = Integer.parseInt(mjpegHeight.isString().stringValue());
                }
            }
            webcam.setStreamingUrl(mjpeg, width, height);
        }
    }
}