ImageContentExtension.java

package com.twasyl.slideshowfx.content.extension.image;

import com.twasyl.slideshowfx.content.extension.AbstractContentExtension;
import com.twasyl.slideshowfx.content.extension.image.controllers.ImageContentExtensionController;
import com.twasyl.slideshowfx.markup.IMarkup;
import de.jensd.fx.glyphs.fontawesome.FontAwesomeIcon;
import javafx.fxml.FXMLLoader;
import javafx.scene.layout.Pane;

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * The ImageContentExtension extends the AbstractContentExtension. It allows to build a content containing images to insert
 * inside a SlideshowFX presentation.
 * This extension supports HTML and Textile markup languages.
 *
 * @author Thierry Wasylczenko
 * @version 1.2
 * @since SlideshowFX 1.0
 */
public class ImageContentExtension extends AbstractContentExtension {
    private static final Logger LOGGER = Logger.getLogger(ImageContentExtension.class.getName());

    private ImageContentExtensionController controller;

    public ImageContentExtension() {
        super("IMAGE", null,
                FontAwesomeIcon.PICTURE_ALT,
                "Insert an image",
                "Insert an image");
    }

    @Override
    public Pane getUI() {
        FXMLLoader loader = new FXMLLoader(getClass().getClassLoader().getResource("/com/twasyl/slideshowfx/content/extension/image/fxml/ImageContentExtension.fxml"));
        Pane root = null;

        try {
            loader.setClassLoader(getClass().getClassLoader());
            root = loader.load();
            this.controller = loader.getController();
        } catch (IOException e) {
            LOGGER.log(Level.SEVERE, "Can not load UI for ImageContentExtension", e);
        }

        return root;
    }

    @Override
    public String buildContentString(IMarkup markup) {
        final StringBuilder builder = new StringBuilder();

        if (this.controller.getSelectedFile() != null) {
            if (markup == null || "HTML".equals(markup.getCode())) {
                builder.append(this.buildDefaultContentString());
            } else if ("TEXTILE".equals(markup.getCode())) {
                builder.append("!").append(this.controller.getSelectedFileUrl()).append("!");
            } else if ("MARKDOWN".equals(markup.getCode())) {
                builder.append("![](").append(this.controller.getSelectedFileUrl()).append(")");
            } else {
                builder.append(this.buildDefaultContentString());
            }
        }

        return builder.toString();
    }

    @Override
    public String buildDefaultContentString() {

        final StringBuilder builder = new StringBuilder();
        builder.append("<img src=\"")
                .append(this.controller.getSelectedFileUrl())
                .append("\" />");

        return builder.toString();
    }
}