com.risevision.viewer.client.widgets.ViewerPreviewShareWidget.java Source code

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Here is the source code for com.risevision.viewer.client.widgets.ViewerPreviewShareWidget.java

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// Copyright  2010 - May 2014 Rise Vision Incorporated.
// Use of this software is governed by the GPLv3 license
// (reproduced in the LICENSE file).

package com.risevision.viewer.client.widgets;

import com.google.gwt.dom.client.Style.FontWeight;
import com.google.gwt.dom.client.Style.Overflow;
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.Window;
import com.google.gwt.user.client.ui.AbsolutePanel;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.TextArea;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.risevision.viewer.client.ViewerEntryPoint;
import com.risevision.viewer.client.data.ViewerDataController;

public class ViewerPreviewShareWidget extends PopupPanel {
    private static final String EMBED_LINK_CODE = "<a href='%1%'>%2%</a>";
    private static final String EMBED_HTML_CODE = "<iframe allowtransparency='true' frameborder='0' scrolling='no' "
            + "src='%1%' style='width:%2%px; height:%3%px;'></iframe>";

    private static ViewerPreviewShareWidget instance;

    private AbsolutePanel contentPanel = new AbsolutePanel();
    private VerticalPanel sharePanel = new VerticalPanel();
    private Label titleLabel = new Label("Share This Presentation");
    private Label urlLabel = new Label("Share URL:");
    private Label urlDescription = new Label("Copy and paste this URL to share this presentation with "
            + "viewers. For example paste into email or instant messages.");
    private TextArea urlTextBox = new TextArea();
    private Label embedLinkLabel = new Label("Embed Link:");
    private Label embedLinkDescription = new Label("Copy and paste this HTML to embed a link to this "
            + "presentation. For example embed this link in a web page or blog.");
    private TextArea embedLinkTextBox = new TextArea();
    private Label embedLabel = new Label("Embed on your page:");
    private Label embedDescription = new Label("HTML to embed this presentation on your website or blog.");
    private TextArea embedTextBox = new TextArea();
    private HTML closePanel = new HTML("<span style='cursor:pointer;font-size:26px;'>&times;</span>");

    public ViewerPreviewShareWidget() {
        super(true, false);

        add(contentPanel);

        sharePanel.add(titleLabel);

        sharePanel.add(new HTML("<span style='line-height:16px;'>&nbsp;</span>"));

        sharePanel.add(urlLabel);
        sharePanel.add(urlDescription);
        sharePanel.add(urlTextBox);

        sharePanel.add(new HTML("<span style='line-height:8px;'>&nbsp;</span>"));

        sharePanel.add(embedLinkLabel);
        sharePanel.add(embedLinkDescription);
        sharePanel.add(embedLinkTextBox);

        sharePanel.add(new HTML("<span style='line-height:8px;'>&nbsp;</span>"));

        sharePanel.add(embedLabel);
        sharePanel.add(embedDescription);
        sharePanel.add(embedTextBox);

        contentPanel.add(sharePanel, 0, 7);
        contentPanel.add(closePanel, 570, -17);

        styleControls();
        initActions();
    }

    private void styleControls() {
        contentPanel.getElement().getStyle().setOverflow(Overflow.VISIBLE);

        sharePanel.getElement().getStyle().setPadding(10, Unit.PX);
        sharePanel.setSize("578px", "430px");
        sharePanel.addStyleName("inner-border");
        sharePanel.addStyleName("gradient-overlay-middle");

        titleLabel.getElement().getStyle().setFontSize(16, Unit.PX);
        titleLabel.getElement().getStyle().setFontWeight(FontWeight.BOLD);

        urlLabel.getElement().getStyle().setFontWeight(FontWeight.BOLD);
        embedLinkLabel.getElement().getStyle().setFontWeight(FontWeight.BOLD);
        embedLabel.getElement().getStyle().setFontWeight(FontWeight.BOLD);

        urlTextBox.setSize("420px", "40px");
        embedLinkTextBox.setSize("420px", "60px");
        embedTextBox.setSize("420px", "60px");

        setSize("580px", "440px");

        addStyleName("rounded-border");
        addStyleName("gradient-overlay-up");

        getElement().getStyle().setProperty("zIndex", "999");

    }

    private void initActions() {
        closePanel.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                hide();
            }
        });
    }

    public static ViewerPreviewShareWidget getInstance() {
        try {
            if (instance == null)
                instance = new ViewerPreviewShareWidget();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return instance;
    }

    public void show(String url) {
        super.show();
        super.setPopupPosition((int) (Window.getClientWidth() / 2 - 300), 100);

        urlTextBox.setText(url);
        urlTextBox.setFocus(true);
        urlTextBox.selectAll();

        String embedCode = EMBED_HTML_CODE.replace("%1%", ViewerPreviewWidget.getPreviewUrl() + "&showui=false");
        embedCode = embedCode.replace("%2%", ViewerEntryPoint.getPresentationWidth() + "");
        embedCode = embedCode.replace("%3%", ViewerEntryPoint.getPresentationHeight() + "");

        embedTextBox.setText(embedCode);

        String linkCode = EMBED_LINK_CODE.replace("%1%", ViewerPreviewWidget.getPreviewUrl() + "&showui=false");
        linkCode = linkCode.replace("%2%", ViewerDataController.getItemName());

        embedLinkTextBox.setText(linkCode);
    }

}