/*
 * SVGView.java
 */
package svgapplication;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.parsers.ParserConfigurationException;
import org.apache.batik.svggen.SVGGraphics2DIOException;
import org.jdesktop.application.Action;
import org.jdesktop.application.ResourceMap;
import org.jdesktop.application.SingleFrameApplication;
import org.jdesktop.application.FrameView;
import org.jdesktop.application.TaskMonitor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Timer;
import javax.swing.Icon;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.batik.bridge.UpdateManager;
import org.apache.batik.dom.GenericDOMImplementation;
import org.apache.batik.dom.svg.SVGDOMImplementation;
import org.apache.batik.svggen.SVGGraphics2D;
import org.apache.batik.swing.JSVGCanvas;
import org.w3c.dom.DOMImplementation;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.svg.SVGDocument;

/**
 * The application's main frame.
 */
public class SVGView extends FrameView
{

	public SVGView(SingleFrameApplication app)
	{
		super(app);

		initComponents();

		outputDiagram = new JSVGCanvas();

		mainPanel.add(outputDiagram);

		// status bar initialization - message timeout, idle icon and busy animation, etc
		ResourceMap resourceMap = getResourceMap();
		int messageTimeout = resourceMap.getInteger("StatusBar.messageTimeout");
		messageTimer = new Timer(messageTimeout, new ActionListener()
		{

			public void actionPerformed(ActionEvent e)
			{
				statusMessageLabel.setText("");
			}
		});
		messageTimer.setRepeats(false);
		int busyAnimationRate = resourceMap.getInteger("StatusBar.busyAnimationRate");
		for (int i = 0; i < busyIcons.length; i++)
		{
			busyIcons[i] = resourceMap.getIcon("StatusBar.busyIcons[" + i + "]");
		}
		busyIconTimer = new Timer(busyAnimationRate, new ActionListener()
		{

			public void actionPerformed(ActionEvent e)
			{
				busyIconIndex = (busyIconIndex + 1) % busyIcons.length;
				statusAnimationLabel.setIcon(busyIcons[busyIconIndex]);
			}
		});
		idleIcon = resourceMap.getIcon("StatusBar.idleIcon");
		statusAnimationLabel.setIcon(idleIcon);
		progressBar.setVisible(false);

		// connecting action tasks to status bar via TaskMonitor
		TaskMonitor taskMonitor = new TaskMonitor(getApplication().getContext());
		taskMonitor.addPropertyChangeListener(new java.beans.PropertyChangeListener()
		{

			public void propertyChange(java.beans.PropertyChangeEvent evt)
			{
				String propertyName = evt.getPropertyName();
				if ("started".equals(propertyName))
				{
					if (!busyIconTimer.isRunning())
					{
						statusAnimationLabel.setIcon(busyIcons[0]);
						busyIconIndex = 0;
						busyIconTimer.start();
					}
					progressBar.setVisible(true);
					progressBar.setIndeterminate(true);
				} else if ("done".equals(propertyName))
				{
					busyIconTimer.stop();
					statusAnimationLabel.setIcon(idleIcon);
					progressBar.setVisible(false);
					progressBar.setValue(0);
				} else if ("message".equals(propertyName))
				{
					String text = (String) (evt.getNewValue());
					statusMessageLabel.setText((text == null) ? "" : text);
					messageTimer.restart();
				} else if ("progress".equals(propertyName))
				{
					int value = (Integer) (evt.getNewValue());
					progressBar.setVisible(true);
					progressBar.setIndeterminate(false);
					progressBar.setValue(value);
				}
			}
		});
	}

	@Action
	public void showAboutBox()
	{
		if (aboutBox == null)
		{
			JFrame mainFrame = SVGApplication.getApplication().getMainFrame();
			aboutBox = new SVGAboutBox(mainFrame);
			aboutBox.setLocationRelativeTo(mainFrame);
		}
		SVGApplication.getApplication().show(aboutBox);
	}

	/** This method is called from within the constructor to
	 * initialize the form.
	 * WARNING: Do NOT modify this code. The content of this method is
	 * always regenerated by the Form Editor.
	 */
	@SuppressWarnings("unchecked")
        // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
        private void initComponents() {

                mainPanel = new javax.swing.JPanel();
                loadDocumentJButton = new javax.swing.JButton();
                jScrollPane1 = new javax.swing.JScrollPane();
                myJSVGCanvas = new org.apache.batik.swing.JSVGCanvas();
                menuBar = new javax.swing.JMenuBar();
                javax.swing.JMenu fileMenu = new javax.swing.JMenu();
                javax.swing.JMenuItem exitMenuItem = new javax.swing.JMenuItem();
                javax.swing.JMenu helpMenu = new javax.swing.JMenu();
                javax.swing.JMenuItem aboutMenuItem = new javax.swing.JMenuItem();
                statusPanel = new javax.swing.JPanel();
                javax.swing.JSeparator statusPanelSeparator = new javax.swing.JSeparator();
                statusMessageLabel = new javax.swing.JLabel();
                statusAnimationLabel = new javax.swing.JLabel();
                progressBar = new javax.swing.JProgressBar();

                mainPanel.setAutoscrolls(true);
                mainPanel.setName("mainPanel"); // NOI18N

                org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(svgapplication.SVGApplication.class).getContext().getResourceMap(SVGView.class);
                loadDocumentJButton.setText(resourceMap.getString("loadDocumentJButton.text")); // NOI18N
                loadDocumentJButton.setName("loadDocumentJButton"); // NOI18N
                loadDocumentJButton.addActionListener(new java.awt.event.ActionListener() {
                        public void actionPerformed(java.awt.event.ActionEvent evt) {
                                loadDocumentJButtonActionPerformed(evt);
                        }
                });

                jScrollPane1.setName("jScrollPane1"); // NOI18N

                myJSVGCanvas.setDocument(null);
                myJSVGCanvas.setName("myJSVGCanvas"); // NOI18N

                javax.swing.GroupLayout myJSVGCanvasLayout = new javax.swing.GroupLayout(myJSVGCanvas);
                myJSVGCanvas.setLayout(myJSVGCanvasLayout);
                myJSVGCanvasLayout.setHorizontalGroup(
                        myJSVGCanvasLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGap(0, 627, Short.MAX_VALUE)
                );
                myJSVGCanvasLayout.setVerticalGroup(
                        myJSVGCanvasLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGap(0, 485, Short.MAX_VALUE)
                );

                jScrollPane1.setViewportView(myJSVGCanvas);

                javax.swing.GroupLayout mainPanelLayout = new javax.swing.GroupLayout(mainPanel);
                mainPanel.setLayout(mainPanelLayout);
                mainPanelLayout.setHorizontalGroup(
                        mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(mainPanelLayout.createSequentialGroup()
                                .addContainerGap()
                                .addComponent(loadDocumentJButton)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 629, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addContainerGap())
                );
                mainPanelLayout.setVerticalGroup(
                        mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(mainPanelLayout.createSequentialGroup()
                                .addContainerGap()
                                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addComponent(loadDocumentJButton, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 487, Short.MAX_VALUE))
                                .addContainerGap())
                );

                menuBar.setName("menuBar"); // NOI18N

                fileMenu.setText(resourceMap.getString("fileMenu.text")); // NOI18N
                fileMenu.setName("fileMenu"); // NOI18N

                javax.swing.ActionMap actionMap = org.jdesktop.application.Application.getInstance(svgapplication.SVGApplication.class).getContext().getActionMap(SVGView.class, this);
                exitMenuItem.setAction(actionMap.get("quit")); // NOI18N
                exitMenuItem.setName("exitMenuItem"); // NOI18N
                fileMenu.add(exitMenuItem);

                menuBar.add(fileMenu);

                helpMenu.setText(resourceMap.getString("helpMenu.text")); // NOI18N
                helpMenu.setName("helpMenu"); // NOI18N

                aboutMenuItem.setAction(actionMap.get("showAboutBox")); // NOI18N
                aboutMenuItem.setName("aboutMenuItem"); // NOI18N
                helpMenu.add(aboutMenuItem);

                menuBar.add(helpMenu);

                statusPanel.setName("statusPanel"); // NOI18N

                statusPanelSeparator.setName("statusPanelSeparator"); // NOI18N

                statusMessageLabel.setName("statusMessageLabel"); // NOI18N

                statusAnimationLabel.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
                statusAnimationLabel.setName("statusAnimationLabel"); // NOI18N

                progressBar.setName("progressBar"); // NOI18N

                javax.swing.GroupLayout statusPanelLayout = new javax.swing.GroupLayout(statusPanel);
                statusPanel.setLayout(statusPanelLayout);
                statusPanelLayout.setHorizontalGroup(
                        statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(statusPanelSeparator, javax.swing.GroupLayout.DEFAULT_SIZE, 762, Short.MAX_VALUE)
                        .addGroup(statusPanelLayout.createSequentialGroup()
                                .addContainerGap()
                                .addComponent(statusMessageLabel)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 592, Short.MAX_VALUE)
                                .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(statusAnimationLabel)
                                .addContainerGap())
                );
                statusPanelLayout.setVerticalGroup(
                        statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(statusPanelLayout.createSequentialGroup()
                                .addComponent(statusPanelSeparator, javax.swing.GroupLayout.PREFERRED_SIZE, 2, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addGroup(statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                        .addComponent(statusMessageLabel)
                                        .addComponent(statusAnimationLabel)
                                        .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGap(3, 3, 3))
                );

                setComponent(mainPanel);
                setMenuBar(menuBar);
                setStatusBar(statusPanel);
        }// </editor-fold>//GEN-END:initComponents

	private void loadDocumentJButtonActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_loadDocumentJButtonActionPerformed
	{//GEN-HEADEREND:event_loadDocumentJButtonActionPerformed
		DOMImplementation myDOMImplementation = SVGDOMImplementation.getDOMImplementation();
		Document myDocument = myDOMImplementation.createDocument(SVGDOMImplementation.SVG_NAMESPACE_URI, "svg", null);
		Element svgRoot = myDocument.getDocumentElement();

		SVGGraphics2D mySVGGraphics2D = new SVGGraphics2D(myDocument);
		mySVGGraphics2D.setSVGCanvasSize(new Dimension(320, 240));

		myJSVGCanvas.setDocumentState(JSVGCanvas.ALWAYS_DYNAMIC);
		myJSVGCanvas.setDocument(myDocument);

		Rectangle myRectangle = new Rectangle(10, 10, 60, 40);

		mySVGGraphics2D.draw(myRectangle);

		svgRoot.appendChild(mySVGGraphics2D.getRoot());
	}//GEN-LAST:event_loadDocumentJButtonActionPerformed

        // Variables declaration - do not modify//GEN-BEGIN:variables
        private javax.swing.JScrollPane jScrollPane1;
        private javax.swing.JButton loadDocumentJButton;
        private javax.swing.JPanel mainPanel;
        private javax.swing.JMenuBar menuBar;
        private org.apache.batik.swing.JSVGCanvas myJSVGCanvas;
        private javax.swing.JProgressBar progressBar;
        private javax.swing.JLabel statusAnimationLabel;
        private javax.swing.JLabel statusMessageLabel;
        private javax.swing.JPanel statusPanel;
        // End of variables declaration//GEN-END:variables
	private org.apache.batik.swing.JSVGCanvas outputDiagram;
	private final Timer messageTimer;
	private final Timer busyIconTimer;
	private final Icon idleIcon;
	private final Icon[] busyIcons = new Icon[15];
	private int busyIconIndex = 0;
	private JDialog aboutBox;
}