Subversion Repositories general

PK

Class-Path: ImagePlugin.jar

Transform-To-File: src/plugins/regionEditorPlugin/RegionEditorPluginTr

 ansform.xsl

XMLEditor-Plugin-Name: RegionEditor

Created-By: 1.4.2 (Sun Microsystems Inc.)

Main-Class: src.plugins.regionEditorPlugin.RegionEditorPlugin

Description: ...(todo)

Transform-Fro-File: src/plugins/regionEditorPlugin/RegionEditorPluginT

 ransformBack.xsl

Comment: you can set named regions on pictures

Name: src/plugins/regionEditorPlugin

Specification-Title: plugin for XMLEditor

Implementation-Title: src.plugins.regionEditorPlugin

Specification-Version: 0.4 (05/07/03)

Specification-Vendor: group5, software practice SS_2003, University Bi

 elefeld, Germany

Implementation-Version: 0.1 (05/07/03)

Implementation-Vendor: group5, software practice SS_2003, University B

 ielefeld, Germany

PK

imageWidth
imageHeight
coef

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regions
Ljava/util/List;
selectedRegion
'Lsrc/plugins/regionEditorPlugin/Region;
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 * University of Bielefeld, Germany

 * $Id: ImagePanel.java,v 1.8 2003/07/24 13:34:43 hjokusch Exp $

 */

package src.plugins.regionEditorPlugin;

import java.util.List;

import java.awt.Color;

import java.awt.Rectangle;

import java.awt.Graphics;

 * Image panel shows any image.

 *

 * @author Yulia Klassen, Viktoriya Zudova

 *

 */

	/** The current image. */

	private Image image;

	/** The dx-shift of an image in relation to the left top corner of plugin panel. */

	private int dx;

	/** The dy-shift of an image in realtion to the left top corner of plugin panel. */

	/** The width of the image. */

	/** The height of the image. */

	private double coef;

	private List regions;

	/**

	 * all elements for the options dialog.

	 *

	 */

	public ImagePanel(List regions) {

		this.regions = regions;

	}

	/**

	 * <code>paintComponent</code> draws the image.

	 *

	 * @see javax.swing.JComponent#paintComponent

	 */

	public void paintComponent(Graphics g) {

		int w  = getWidth();

		/* Fill the background. */

		g.setColor(getBackground());

		g.fillRect(0, 0, w, h);

		/* If there is an image ... */

		if(image != null) {

	  		int iw = image.getWidth(null);

	  		int ih = image.getHeight(null);

	  		double kx = (double)iw/w;

	 		coef = Math.max(kx, ky);

      	  	if(coef < 1) {

      			coef = 1;

      	  	} else {

      			iw = (int)(iw/coef);

      			ih = (int)(ih/coef);

      	  	dy = (h-ih)/2;

      	  	imageWidth = iw;

      	  	imageHeight = ih;

      	  	/* Draw the image. */

      	  	g.drawImage(image, dx, dy, iw, ih, null);

      	  	/* Draw regions. */

      	  	g.setColor(Color.black);

      	  	g.setXORMode(Color.white);

      	  	for(int i = 0; i < regions.size(); i++) {

      			if(region != selectedRegion){           // The selected one will be drawn later.

      				g.drawRect(

        				(int)(rect.getX() / coef) + dx,

        				(int)(rect.getY() / coef) + dy,

        				(int)(rect.getWidth() / coef),

      			}

	  		}

	  		/* Draw the selected rectangle. */

	  		if(selectedRegion != null) {

   			    Rectangle rect = selectedRegion.getRect();

				g.setColor(Color.red);

				g.drawRect(

    			  	(int)(rect.getX() / coef) + dx,

    			  	(int)(rect.getY() / coef) + dy,

    			  	(int)(rect.getHeight() / coef));

	  		}

		}

	}

  	/**

  	 * Sets the currently visible image to the image given as parameter.

  	 *

  	 * @param image: The image to display.

  	 */

  	public void setImage(Image image) {

		this.image = image;

	}

	/**

	 * The methode <code> getCoef </code> retuns the double for 

	 * scaling the image

	 * 

	 * @return coef double: the scale (coefficient) for the Image

	 */

	}

  	/**

  	 * Returns the dx-shift of an image according to the left top

  	 * corner of the plugin panel.

  	 *

  	 * @return The difference on the x-axis.

  	 */

	public int getDx() {

	}

    /**

     * Returns the dy-shift of an image according to the left top

     * corner of the plugin panel.

     *

     * @return The difference on the y-axis.

     */

	public int getDy() {

	}

    /**

     * Returns the width of the current image.

     *

     * @return The width of the current image.

     */

	public int getImageWidth() {

		return imageWidth;

	/**

	 * Returns the height of the current image.

	 *

	 * @return The height of the current image.

	 */

	public int getImageHeight() {

		return imageHeight;

	/**

	 * The method<code>setSelectedRegion</code> Returns the current selected region in the Image

	 * The Region represenrs a specified arey in the picture with a specified name.

	 * 

	 * @param region the selected src.plugins.regionEditorPlugin.Region

	 */ 

	}

}PK

A‰ù.154_™™+src/plugins/regionEditorPlugin/Region.classÊþº¾-&
%src/plugins/regionEditorPlugin/Region

java/lang/Object
name
Ljava/lang/String;
rect
Ljava/awt/Rectangle;
savedNameOfNode
<init>
()V
Code



LineNumberTable
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this
'Lsrc/plugins/regionEditorPlugin/Region;
)(Ljava/lang/String;Ljava/awt/Rectangle;)V		
getName
()Ljava/lang/String;
setName
(Ljava/lang/String;)V
getRect
()Ljava/awt/Rectangle;
setRect
(Ljava/awt/Rectangle;)V
getSavedNameOfNode		!
setSavedNameOfNode

SourceFile
Region.java!	


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 * This file contains the Region class.

 *

 */

package src.plugins.regionEditorPlugin;

import java.awt.Rectangle;

//import org.w3c.dom.Node;

/**

 * Stores info of one region.

 *

 */

{

  /** Stores name of region.*/

  /** Stores coordinates of region. */

  private Rectangle rect;

  /** Stores name of node for the region.*/

  private String savedNameOfNode;

  /** Creates empty region with coordinates and name. */

  public Region()

  }

   *

   * @param name: Region name.

   */

  public Region(String name, Rectangle rect)

  {

	this.name = name;

  }

  /** Returns the name of the region.

   *

   * @return the name of the region.

   */

  public String getName()

  {

	return name;

  }

  /** Sets the name of the region.

   *

   * @param name:  The name of the region.

   */

  public void setName(String name)

  {

	this.name = name;

  }

  /** Returns the coordinates of the region.

   *

   * @return the coordinates of the region.

   */

  public Rectangle getRect()

  {

	return rect;

  }

  /** Sets the coordinates of the region.

   *

   * @param rect: The coordinates of the region.

   */

  public void setRect(Rectangle rect)

  {

	this.rect = rect;

  }

  /** Returns the saved name of node for the region.

   *

   * @return the saved name of node for the region.

   */

  public String getSavedNameOfNode()

  {

	return savedNameOfNode;

  }

  /** Sets the saved name of node for the region.

   *

   * @param name:  The saved name of node for the region.

   */

  public void setSavedNameOfNode(String name)

  {

	this.savedNameOfNode = name;

  }

PK

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Ljava/lang/String;

ConstantValue
RegionEditor
image
Ljava/awt/Image;
imageNameLabel
Ljavax/swing/JLabel;
imageNameField
Ljavax/swing/JTextField;

confirmButton
Ljavax/swing/JButton;
regionNameLabel
regionNameField
regionConfirmButton

imagePanel
+Lsrc/plugins/regionEditorPlugin/ImagePanel;
gui
Lsrc/gui/GuiInterface;
ourEventListener
Lsrc/control/OurEventListener;
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imageUrl
currentFile
Ljava/io/File;
oldNode
Lorg/w3c/dom/Node;
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environment
Lorg/w3c/dom/Document;
regions
Ljava/util/List;
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 * This file contains the RegionEditorPlugin class.

 * University of Bielefeld, Germany

 */

package src.plugins.regionEditorPlugin;

import java.util.ArrayList;

import java.util.List;

import java.util.Iterator;

import java.awt.Dimension;

import java.awt.Image;

import java.awt.event.MouseEvent;

import java.awt.event.MouseMotionListener;

import javax.swing.JPopupMenu;

import org.w3c.dom.NamedNodeMap;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.w3c.dom.Node;

import org.w3c.dom.Text;

import javax.swing.JButton;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

import src.control.OurEvent;

import src.control.OurEventListener;

import src.gui.*;

import src.plugins.PluginManagerInterface;

/**

 * The <code>RegionEditor</code> plugin shows and edits image regions.

 * @author Yulia Klassen, Viktoriya Zudova

 *

 * @version $Revision: 1.28 $ Last modification: $Date: 2003/07/24 22:18:06 $

 */

public class RegionEditorPlugin

  implements PluginInterface, ActionListener, MouseMotionListener, MouseListener

{

  final private String pluginName = "RegionEditor";

  private Image image;

  /** Label where the name of image is. */

  private JLabel imageNameLabel = new JLabel(" Image Name ");

  /** A text field to enter the name of an image. */

  /** A button "Confirm" to change the image name in the node. */

  private JButton confirmButton = new JButton("Confirm");

  /** Label where the name of region is. */

  /** A text field to enter the name of region. */

  private JTextField regionNameField = new JTextField();

  /** A button "Confirm" to change the region name. */

  private JButton regionConfirmButton = new JButton("Confirm");

  /** Stores a reference to the GUI. */

  private GuiInterface gui;

  /** Stores a reference to the event listener. */

  private OurEventListener ourEventListener;

  /** The image's name from the attributes of the selected node. */

  private String imageName;

  /** The location of the image. */

  private String imageUrl;

  private File currentFile;

  private Node oldNode;

  private Node changedNode;

  private Document environment;

  private List regions = new ArrayList();

  private Region selectedRegion;

  private Cursor normalCursor = new Cursor(Cursor.DEFAULT_CURSOR);

  private Cursor moveCursor = new Cursor(Cursor.MOVE_CURSOR);

  private Cursor resizeCursor = new Cursor(Cursor.SE_RESIZE_CURSOR);

  private boolean inMove = false;

  private boolean inResize = false;

  private JPopupMenu popup = new JPopupMenu();

  private JMenuItem deleteSelectedItem = new JMenuItem("Delete the region");

  public RegionEditorPlugin() {

    setLayout(new BorderLayout());

    imagePanel = new ImagePanel(regions);

    imagePanel.addMouseListener(this);

    // Left panel: text field to enter name of image.

    leftPanel.setLayout(new BorderLayout());

	leftPanel.add(imageNameLabel, BorderLayout.WEST);

    leftPanel.add(confirmButton, BorderLayout.EAST);

    JPanel rightPanel = new JPanel();

    rightPanel.setPreferredSize(new Dimension(240, 24));

	rightPanel.add(regionNameLabel, BorderLayout.WEST);

    rightPanel.add(regionNameField);

    // Top panel contains left and right panels.

    topPanel.setLayout(new BorderLayout());

    topPanel.add(leftPanel);

    add(topPanel, BorderLayout.NORTH);

    confirmButton.addActionListener(this);

    // Init popup menu.

    popup.add(deleteSelectedItem);

  }

	/**

	 * Initializes the plugin.

	 * @param gui: A reference to the GUI object.

	 */

	public void init(GuiInterface gui) {

	    this.gui = gui;

 	}

	 * Starts the plugin.

	 *

	 * @param node: The node that the has been chosen.

	 * @param environment: The current document.

	 * @param elementPath: The <code>TreePath</code> of the selected

	 * node in the evironment.

	 *

	 */

	public void start(Node node, Document environment, TreePath elementPath)

	{

        this.environment = environment;

    	oldNode = node;

    	gui.getStatusInterface().setIcon(StatusInterface.ICON_NONE);

    	gui.getStatusInterface().setMessage(null);

    	if (node == null)

    	else

    	  imageName = node.getAttributes().getNamedItem("image").getNodeValue();

        findImage();

        initRegions(node);

	    gui.setPluginPanel(this);

   		setVisible(true);

	}

    /**

     * Finds image URL and loads it.

    private void findImage()

    {

		imageUrl = findUrlForImageName(

		  gui.getDocumentManagerInterface().getPluginManagerInterface(),

		  imageName, environment.getDocumentElement());

        if (imageUrl==null) {

        	gui.getLogInterface().log(LogInterface.TYPE_ERROR,

        	  "Picture " + "\"" + imageName + "\"" + " not found in document.");

        }

    	loadImage(imageUrl);

    }

	/**

	 * Tries to find image URL for label of the image in given node.

	 *

	 * @param manager: The plugin manager.

	 * @param node: The node.

	 * @return The URL or null if it can not be found

	 */

    private String findUrlForImageName(PluginManagerInterface manager,

    {

        // check elements only

  	    String associatedPlugin = manager.getAssociatedPlugin(node.getNodeName());

  	    // if this node corresponds to the image viewer - check image name

  	    if(associatedPlugin != null && associatedPlugin.equals("ImageViewer")) {

  	      Node transformedNode = manager.transformsNode(associatedPlugin, node);

  	        NamedNodeMap nodeAttr = transformedNode.getAttributes();

		    String name = nodeAttr.getNamedItem("name").getNodeValue();

  		    String url = nodeAttr.getNamedItem("url").getNodeValue();

  		    // if the name matchs the image name we are looking for and

  		    // the image has an URL - return the URL

  		    if(name != null && name.equals(imageName) && url != null) return url;

  		  }

  	    // if nothing found - try the children

        NodeList list = node.getChildNodes();

        for(int i = 0; i < list.getLength(); i++) {

          // if url found - return it immediately

        }

        // nothing found in children

        return null;

	}

	/**

	 * Reads the existent regions from document.

	 *

	 * @param node: The node that the has been chosen.

	 */

    private void initRegions(Node node)

    {

      for(int i = 0; i < children.getLength(); i++) {

        Node rectNode = children.item(i);

        if(rectNode.getNodeName().equals("RECTANGLE")) {

          NodeList rectChildren = rectNode.getChildNodes();

          int x = 0;

          int y = 0;

          int h = 1;

          String name = null;

          String savedNameOfNode = null;

          for(int j = 0; j < rectChildren.getLength(); j++) {

            // Get coordinates.

            if(subnode.getNodeName().equals("COORDS")) {

              NamedNodeMap attrs = subnode.getAttributes();

              savedNameOfNode

                = attrs.getNamedItem("XMLEditorSavedNameOfNode").getNodeValue();

                x = Integer.parseInt(attrs.getNamedItem("x").getNodeValue());

                y = Integer.parseInt(attrs.getNamedItem("y").getNodeValue());

                w = Integer.parseInt(attrs.getNamedItem("w").getNodeValue());

              }

              catch(NumberFormatException ex) {

                // Ignore any errors in coordinates.

              }

            }

            else if(subnode.getNodeName().equals("#text")) {

              String value = subnode.getNodeValue().trim();

            }

          }

          region.setSavedNameOfNode(savedNameOfNode);

          regions.add(region);

        }

      }

    }

// debug only !!! delete it in the release

private void printTree(Node node, int indent)

  if(indent == 0)

    System.out.println("=================================================");

  String name = node.getNodeName();

  NamedNodeMap attrs = node.getAttributes();

  NodeList list = node.getChildNodes();

  // indent

  for(int i = 0; i < indent*2; i++) System.out.print(" ");

  // name

  System.out.print(name + ":");

  // attributes

  if(attrs != null) {

    for(int i = 0; i < attrs.getLength(); i++)

      System.out.print(" " + attrs.item(i).getNodeName() + "=\""

        + attrs.item(i).getNodeValue() + "\"");

  }

  // value

  if(node.getNodeValue() != null)

  System.out.println();

  // children

    printTree(list.item(i), indent+1);

  if(indent == 0)

    System.out.println("=================================================");

}

	/**

	 * Stops the plugin by setting it to invisible and resetting the display of the

	 * status panel.

	 *

	 * @see src.plugins.PluginInterface#stop

	public void stop() {

	    setVisible(false);

    	gui.getStatusInterface().setIcon(StatusInterface.ICON_NONE);

    	gui.getStatusInterface().setPoint(null);

  	}

	/* (non-Javadoc)

	 * @see src.gui.PluginInterface#setOurEventListener(src.control.OurEventListener)

	public void setOurEventListener(OurEventListener newListener) {

		ourEventListener = newListener;

	}

	/**

	 * Forces the plugin to report its status.

	public void forceStatusReport() {

		changedNode = oldNode.cloneNode(false);

		Document tempDoc = oldNode.getOwnerDocument();

		changedNode.getAttributes().getNamedItem("image").setNodeValue(imageName);

printTree(oldNode, 0);

		Iterator i = regions.iterator();

		while(i.hasNext()) {

			Text name = tempDoc.createTextNode(region.getName());

			org.w3c.dom.Element geom = tempDoc.createElement("RECTANGLE");

			org.w3c.dom.Element coords = tempDoc.createElement("COORDS");

			/* attribute "XMLEditorSavedNameOfNode" should only appear if the original

			 * node was not a "COORDS", cause during transformation this attribute is

			 * simply copied if it doesn't contains a proper name */

			if ((region.getSavedNameOfNode() != null) && (region.getSavedNameOfNode() != "")) {

				coords.setAttribute("XMLEditorSavedNameOfNode", region.getSavedNameOfNode());

			}

			coords.setAttribute("x", Integer.toString(region.getRect().x));

			coords.setAttribute("y", Integer.toString(region.getRect().y));

			coords.setAttribute("w", Integer.toString(region.getRect().width));

			coords.setAttribute("h", Integer.toString(region.getRect().height));

			geom.appendChild(name);

			changedNode.appendChild((Node)geom);

		}

printTree(changedNode, 0);

		firePluginChangedElement(oldNode, changedNode);

	}

	/**

	 * ...

	 *

	 * @param oldNode: ...

	 * @param changedNode: ..

	 */

	private void firePluginChangedElement(Node oldNode, Node changedNode) {

		ourEventListener.firedOurEvent(e);

	}

  /**

   *  Loads image.

   *

   *  @param fileName:   The file name that must be shown:

  private void loadImage(String fileName)

  {

    //  File is absent.

    currentFile = null;

    // File name is absent: status panel - "No image".

    if(fileName == null) {

      gui.getStatusInterface().setIcon(StatusInterface.ICON_WARNING);

      gui.getStatusInterface().setMessage("No image");

    }

    // Gets the current file from the directory where the doc is.

    else {

      try {

        File doc = gui.getCurrentFile();

        if(fileName.startsWith(doc.getParentFile().toString())) {

          fileName = fileName.replaceFirst(doc.getParentFile().toString() + "/", "");

        if(fileName.charAt(0) == '/')

        else {

          currentFile = new File(doc.getParentFile(), fileName);

        }

        image = javax.imageio.ImageIO.read(currentFile);

        gui.getStatusInterface().setIcon(StatusInterface.ICON_INFORMATION);

        gui.getStatusInterface().setMessage("Show image from " + fileName);

      }

      catch(IOException ex) {

        gui.getLogInterface().log(

        gui.getStatusInterface().setIcon(StatusInterface.ICON_ERROR);

        gui.getStatusInterface().setMessage("Cannot open file " + fileName);

      }

    }

    imagePanel.setImage(image);

  }

  /**

   *

   *  @param e:  Some event.

   */

  public void actionPerformed(ActionEvent e)

  {

    if(e.getSource() == confirmButton) {

      imageName = imageNameField.getText();

      forceStatusReport();

      findImage();

    }

    if(e.getSource() == regionConfirmButton) {

      if(selectedRegion != null) {

        forceStatusReport();

      }

    }

    if(e.getSource() == deleteSelectedItem) {   // delete the selected region

      forceStatusReport();

    }

  }

  /**

   * Invoked when a mouse is pressed on a component.

   *

   * @param e:   Mouse event.

   */

  public void mouseDragged(MouseEvent e)

    if(e.getSource() == imagePanel && image != null) {

      showMouse(e.getX(), e.getY());

      if(inMove && selectedRegion != null) {  // Move selected region.

        Rectangle rect = selectedRegion.getRect();

        double x = (e.getX() - imagePanel.getDx()) * imagePanel.getCoef();

        double y = (e.getY() - imagePanel.getDy()) * imagePanel.getCoef();

        if(x < 0) x = 0;

        if(y < 0) y = 0;

        if(x + (int)rect.getWidth() >= image.getWidth(null))

          x = image.getWidth(null) - (int)rect.getWidth() - 1;

        if(y + (int)rect.getHeight() >= image.getHeight(null))

          y = image.getHeight(null) - (int)rect.getHeight() - 1;

        rect.setLocation((int)x, (int)y);

        repaint();

      }

      else if(inResize && selectedRegion != null) {  // Resize selected region.

        Rectangle rect = selectedRegion.getRect();

        double x = (e.getX() - imagePanel.getDx()) * imagePanel.getCoef();

		double w = x - rect.getX();

		double h = y - rect.getY();

        if(w < 1) w = 1;

        if(h < 1) h = 1;

          w = image.getWidth(null) - rect.getX();

        if(y >= image.getHeight(null))

          h = image.getHeight(null) - rect.getY();

        rect.setSize((int)w, (int)h);

        repaint();

      }

      else {   // Creates a new region.

		double x = (e.getX() - imagePanel.getDx()) * imagePanel.getCoef();

        if(x >= 0 && y >= 0 && x < image.getWidth(null) && y < image.getHeight(null)) {

          inResize = true;

          Region region = new Region(null, new Rectangle(

            (int)((e.getY() - imagePanel.getDy()) * imagePanel.getCoef()), 1, 1));

          region.setSavedNameOfNode("COORDS");