+++ /dev/null
-package be.nikiroo.fanfix.reader.ui;
-
-import java.awt.BorderLayout;
-import java.awt.EventQueue;
-import java.awt.Graphics2D;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.image.BufferedImage;
-
-import javax.swing.Icon;
-import javax.swing.ImageIcon;
-import javax.swing.JButton;
-import javax.swing.JEditorPane;
-import javax.swing.JLabel;
-import javax.swing.JPanel;
-import javax.swing.JProgressBar;
-import javax.swing.JScrollPane;
-import javax.swing.SwingConstants;
-
-import be.nikiroo.fanfix.Instance;
-import be.nikiroo.fanfix.bundles.StringIdGui;
-import be.nikiroo.fanfix.data.Chapter;
-import be.nikiroo.fanfix.data.MetaData;
-import be.nikiroo.fanfix.data.Story;
-import be.nikiroo.utils.Image;
-import be.nikiroo.utils.ui.ImageUtilsAwt;
-
-/**
- * A {@link JPanel} that will show a {@link Story} chapter on screen.
- *
- * @author niki
- */
-public class GuiReaderViewerPanel extends JPanel {
- private static final long serialVersionUID = 1L;
-
- private boolean imageDocument;
- private Chapter chap;
- private JScrollPane scroll;
- private GuiReaderViewerTextOutput htmlOutput;
-
- // text only:
- private JEditorPane text;
-
- // image only:
- private JLabel image;
- private JProgressBar imageProgress;
- private int currentImage;
- private JButton left;
- private JButton right;
-
- /**
- * Create a new viewer.
- *
- * @param story
- * the {@link Story} to work on
- */
- public GuiReaderViewerPanel(Story story) {
- this(story.getMeta(), story.getMeta().isImageDocument());
- }
-
- /**
- * Create a new viewer.
- *
- * @param meta
- * the {@link MetaData} of the story to show
- * @param isImageDocument
- * TRUE if it is an image document, FALSE if not
- */
- public GuiReaderViewerPanel(MetaData meta, boolean isImageDocument) {
- super(new BorderLayout());
-
- this.imageDocument = isImageDocument;
-
- this.text = new JEditorPane("text/html", "");
- text.setEditable(false);
- text.setAlignmentY(TOP_ALIGNMENT);
- htmlOutput = new GuiReaderViewerTextOutput();
-
- image = new JLabel();
- image.setHorizontalAlignment(SwingConstants.CENTER);
-
- scroll = new JScrollPane(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
- JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
- scroll.getVerticalScrollBar().setUnitIncrement(16);
-
- // TODO:
- // JButton up = new BasicArrowButton(BasicArrowButton.NORTH);
- // JButton down = new BasicArrowButton(BasicArrowButton.SOUTH);
-
- if (!imageDocument) {
- add(scroll, BorderLayout.CENTER);
- } else {
- imageProgress = new JProgressBar();
- imageProgress.setStringPainted(true);
- add(imageProgress, BorderLayout.SOUTH);
-
- JPanel main = new JPanel(new BorderLayout());
- main.add(scroll, BorderLayout.CENTER);
-
- left = new JButton("<HTML> < </HTML>");
- left.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- setImage(--currentImage);
- }
- });
- main.add(left, BorderLayout.WEST);
-
- right = new JButton("<HTML> > </HTML>");
- right.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- setImage(++currentImage);
- }
- });
- main.add(right, BorderLayout.EAST);
-
- add(main, BorderLayout.CENTER);
- main.invalidate();
- }
-
- setChapter(meta.getResume());
- }
-
- /**
- * Load the given chapter.
- * <p>
- * Will always be text for a non-image document.
- * <p>
- * Will be an image and left/right controls for an image-document, except
- * for chapter 0 which will be text (chapter 0 = resume).
- *
- * @param chap
- * the chapter to load
- */
- public void setChapter(Chapter chap) {
- this.chap = chap;
-
- if (!imageDocument) {
- setText(chap);
- } else {
- left.setVisible(chap.getNumber() > 0);
- right.setVisible(chap.getNumber() > 0);
- imageProgress.setVisible(chap.getNumber() > 0);
-
- imageProgress.setMinimum(0);
- imageProgress.setMaximum(chap.getParagraphs().size() - 1);
-
- if (chap.getNumber() == 0) {
- setText(chap);
- } else {
- setImage(0);
- }
- }
- }
-
- /**
- * Will set and display the current chapter text.
- *
- * @param chap
- * the chapter to display
- */
- private void setText(final Chapter chap) {
- new Thread(new Runnable() {
- @Override
- public void run() {
- final String content = htmlOutput.convert(chap);
- // Wait until size computations are correct
- while (!scroll.isValid()) {
- try {
- Thread.sleep(1);
- } catch (InterruptedException e) {
- }
- }
-
- setText(content);
- }
- }).start();
- }
-
- /**
- * Actually set the text in the UI.
- * <p>
- * Do <b>NOT</b> use this method from the UI thread.
- *
- * @param content
- * the text
- */
- private void setText(final String content) {
- EventQueue.invokeLater(new Runnable() {
- @Override
- public void run() {
- text.setText(content);
- text.setCaretPosition(0);
- scroll.setViewportView(text);
- }
- });
- }
-
- /**
- * Will set and display the current image, take care about the progression
- * and update the left and right cursors' <tt>enabled</tt> property.
- *
- * @param i
- * the image index to load
- */
- private void setImage(int i) {
- left.setEnabled(i > 0);
- right.setEnabled(i + 1 < chap.getParagraphs().size());
-
- if (i < 0 || i >= chap.getParagraphs().size()) {
- return;
- }
-
- imageProgress.setValue(i);
- imageProgress.setString(GuiReader.trans(StringIdGui.IMAGE_PROGRESSION,
- i + 1, chap.getParagraphs().size()));
-
- currentImage = i;
-
- final Image img = chap.getParagraphs().get(i).getContentImage();
-
- // prepare the viewport to get the right sizes later on
- image.setIcon(null);
- scroll.setViewportView(image);
-
- new Thread(new Runnable() {
- @Override
- public void run() {
- // Wait until size computations are correct
- while (!scroll.isValid()) {
- try {
- Thread.sleep(1);
- } catch (InterruptedException e) {
- }
- }
-
- if (img == null) {
- setText("Error: cannot render image.");
- } else {
- setImage(img);
- }
- }
- }).start();
- }
-
- /**
- * Actually set the image in the UI.
- * <p>
- * Do <b>NOT</b> use this method from the UI thread.
- *
- * @param img
- * the image to set
- */
- private void setImage(Image img) {
- try {
- int scrollWidth = scroll.getWidth()
- - scroll.getVerticalScrollBar().getWidth();
-
- BufferedImage buffImg = ImageUtilsAwt.fromImage(img);
-
- int iw = buffImg.getWidth();
- int ih = buffImg.getHeight();
- double ratio = ((double) ih) / iw;
-
- int w = scrollWidth;
- int h = (int) (ratio * scrollWidth);
-
- BufferedImage resizedImage = new BufferedImage(w, h,
- BufferedImage.TYPE_4BYTE_ABGR);
-
- Graphics2D g = resizedImage.createGraphics();
- try {
- g.drawImage(buffImg, 0, 0, w, h, null);
- } finally {
- g.dispose();
- }
-
- final Icon icon = new ImageIcon(resizedImage);
- EventQueue.invokeLater(new Runnable() {
- @Override
- public void run() {
- image.setIcon(icon);
- scroll.setViewportView(image);
- }
- });
- } catch (Exception e) {
- Instance.getInstance().getTraceHandler().error(
- new Exception("Failed to load image into label", e));
- EventQueue.invokeLater(new Runnable() {
- @Override
- public void run() {
- text.setText("Error: cannot load image.");
- }
- });
- }
- }
-}
git://git.nikiroo.be / fanfix.git / blobdiff