Viewer.java :  » Media » tramper » org » tramper » gui » viewer » Java Open Source

package org.tramper.gui.viewer;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;

import javax.swing.BorderFactory;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.Border;

import org.fingon.player.PlayListener;
import org.tramper.ui.Renderer;
import org.tramper.ui.RenderingException;
import org.tramper.doc.DocumentEvent;
import org.tramper.doc.DocumentListener;
import org.tramper.doc.SimpleDocument;
import org.tramper.doc.Target;


/**
 * Document viewer
 * @author Paul-Emile
 */
public abstract class Viewer extends JPanel implements Renderer, PlayListener, DocumentListener {
    /** Viewer.java long */
    private static final long serialVersionUID = 1L;
    /** header */
    protected SimpleHeader header;
    /** body */
    protected Body body;
    /** speakable document */
    protected SimpleDocument document;
    /** target */
    protected Target target;

    /**
     * @see org.tramper.ui.Renderer#render(org.tramper.doc.SimpleDocument)
     */
    public void render(SimpleDocument doc, Target target) throws RenderingException {
  render(doc, target, Renderer.ALL_PART);
    }

    /**
     * @see org.tramper.ui.Renderer#render(int)
     */
    public void render(int documentPart) throws RenderingException {
  if (documentPart == Renderer.ALL_PART) {
      render(document, target, Renderer.ALL_PART);
  }
    }

    /**
     * @see org.tramper.ui.Renderer#render(org.tramper.doc.SimpleDocument, int)
     */
    public void render(SimpleDocument doc, Target target, int documentPart) throws RenderingException {
  if (!isDocumentSupported(doc)) {
      throw new RuntimeException(doc.getTitle()+" is not a supported document");
  }
  this.target = target;
  
  if (document != null) {
      document.removeDocumentListener(this);
  }
        document = doc;
  document.addDocumentListener(this);
  setActive(document.isActive());
  header.displayDocument(doc, target);
  body.displayDocument(doc, target, documentPart);
    }

    /**
     *
     */
    public void relocalize() {
  header.relocalize();
    }

    /**
     * 
     * @see org.tramper.doc.DocumentListener#documentActivated(org.tramper.doc.DocumentEvent)
     */
    public void documentActivated(DocumentEvent event) {
  this.setActive(true);
    }

    /**
     * 
     * @see org.tramper.doc.DocumentListener#documentDeactivated(org.tramper.doc.DocumentEvent)
     */
    public void documentDeactivated(DocumentEvent event) {
  this.setActive(false);
    }

    /**
     * 
     * @see org.tramper.ui.Renderer#isActive()
     */
    public boolean isActive() {
  if (document != null) {
      return document.isActive();
  } else {
      return false;
  }
    }
    
    /**
     * 
     * @param active
     */
    public void setActive(boolean active) {
  Border border = null;
  if (active) {
      Color highLightColor = UIManager.getColor("TextField.selectionBackground");
      if (highLightColor == null) {
    highLightColor = UIManager.getColor("textHighlight");
      }
            border = BorderFactory.createLineBorder(highLightColor, 2);
  } else {
            border = BorderFactory.createEmptyBorder(2, 2, 2, 2);
  }
  final Border activeBorder = border;
  Runnable r = new Runnable() {
      public void run() {
    setBorder(activeBorder);
      }
  };
  if (SwingUtilities.isEventDispatchThread()) {
      r.run();
  } else {
      SwingUtilities.invokeLater(r);
  }
    }

    /**
     * 
     * @see org.tramper.ui.Renderer#getDocument()
     */
    public SimpleDocument getDocument() {
        return document;
    }

    /**
     * 
     * @return
     */
    public Target getTarget() {
  return target;
    }

    /**
     * 
     * @return
     */
    public Body getBody() {
  return body;
    }

    /**
     * 
     * @param newBody
     */
    public void setBody(Component newBody) {
  this.remove((Component)body);
  body = (Body)newBody;
        this.add(newBody, BorderLayout.CENTER);
        body.displayDocument(document, target, Renderer.ALL_PART);
  this.validate();
    }

    /**
     * @see javax.swing.JPanel#updateUI()
     */
    @Override
    public void updateUI() {
  super.updateUI();
  setActive(isActive());
    }

    public void setHeaderVisible(boolean visible) {
  header.setVisible(visible);
    }
    
    /**
     * 
     */
    public abstract void initializeViewer();
}