strat.mining.multipool.stats.client.component.TwitterTimelineWidget.java Source code

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Here is the source code for strat.mining.multipool.stats.client.component.TwitterTimelineWidget.java

Source

/**
 * multipool-stats-backend is a web application which collects statistics
 * on several Switching-profit crypto-currencies mining pools and display
 * then in a Browser.
 * Copyright (C) 2014  Stratehm (stratehm@hotmail.com)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with multipool-stats-backend. If not, see <http://www.gnu.org/licenses/>.
 */
package strat.mining.multipool.stats.client.component;

import strat.mining.multipool.stats.client.resources.ClientResources;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.NodeList;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.Widget;
import com.sencha.gxt.core.client.XTemplates;
import com.sencha.gxt.widget.core.client.container.AbstractHtmlLayoutContainer.HtmlData;
import com.sencha.gxt.widget.core.client.container.HtmlLayoutContainer;

public class TwitterTimelineWidget implements IsWidget {

    private static int timelineCounter = 0;

    private HtmlLayoutContainerTemplate templates = GWT.create(HtmlLayoutContainerTemplate.class);

    private HtmlLayoutContainer container;

    private boolean isLoaded = false;
    private Image loadingImage;

    private int counter;

    public interface HtmlLayoutContainerTemplate extends XTemplates {
        @XTemplate("<img /><a id=\"twitterTimelineContainer{timelineId}\" class=\"twitter-timeline\"  href=\"{href}\"  data-widget-id=\"{dataWidgetId}\"></a>")
        SafeHtml getTemplate(String timelineId, String href, String dataWidgetId);
    }

    public TwitterTimelineWidget(String href, String dataWidgetId) {
        counter = timelineCounter++;
        loadingImage = new Image();
        loadingImage.setUrl(ClientResources.INSTANCE.loading().getSafeUri());
        loadingImage.setHeight("32px");
        loadingImage.setWidth("32px");

        container = new HtmlLayoutContainer(templates.getTemplate(Integer.toString(counter), href, dataWidgetId));
        container.addStyleName("textCenter");
        container.add(loadingImage, new HtmlData(".twitter-timeline"));
    }

    @Override
    public Widget asWidget() {
        return container;
    }

    public void load() {
        jsLoad();
    }

    public native void jsLoad() /*-{
                                var counter = this.@strat.mining.multipool.stats.client.component.TwitterTimelineWidget::counter;
                                var js, fjs = $doc.getElementById("twitterTimelineContainer" + counter), p = /^http:/
                                .test($doc.location) ? 'http' : 'https';
                                $doc.getElementById("twitter-wjs")
                                js = $doc.createElement("script");
                                js.id = "twitter-wjs";
                                js.src = p + "://platform.twitter.com/widgets.js";
                                fjs.parentNode.insertBefore(js, fjs.nextSibling);
                                }-*/;

    private native void setHeight(int height) /*-{
                                              var counter = this.@strat.mining.multipool.stats.client.component.TwitterTimelineWidget::counter;
                                              var element = $doc.getElementById("twitterTimelineContainer" + counter);
                                              element.contentDocument.children[0].children[1].children[0].children[2].style.height = height
                                              + "px";
                                              }-*/;

    public void setSize(int width, int height) {
        NodeList<Element> iframeNodes = container.getElement().getElementsByTagName("iframe");

        if (iframeNodes != null && iframeNodes.getLength() > 0) {
            int iFrameHeight = height - 30;
            iFrameHeight = iFrameHeight > 0 ? iFrameHeight : 0;

            iframeNodes.getItem(0).setAttribute("width", width + "px");
            iframeNodes.getItem(0).setAttribute("height", iFrameHeight + "px");

            int streamHeight = iFrameHeight - 87;
            streamHeight = streamHeight > 0 ? streamHeight : 0;

            setHeight(streamHeight);
        }
    }

    public HandlerRegistration addClickHandler(ClickHandler handler) {
        return container.addDomHandler(handler, ClickEvent.getType());
    }
}