jdk/test/javax/swing/text/TableView/TableViewLayoutTest.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2007, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 /*
  * @test
  * @key headful
  * @bug 8133864 8158209
  * @summary  Wrong display, when the document I18n properties is true.
  */
 import javax.swing.*;
 import javax.swing.text.*;
 import java.awt.*;
 import java.awt.event.KeyEvent;
 import java.util.ArrayList;
 import javax.swing.event.CaretEvent;
 import javax.swing.event.CaretListener;

 public class TableViewLayoutTest extends JFrame {

     private static double yCaret;
     private static double xCaret;

     // Number of iteration to verify the stability of the test with different robot delays :
     // Work well with robot.delay(50) in hitKey method.
     // But if the robot delay is too low, the test is not stable.
     // Put this to 100, and reduce robot delay sometimes answers may be different.
     private static int tn = 2;

     // The four caret positions to test.
     private static double yCarFLTab;
     private static double yCarLLTab;
     private static double xCarBTab;
     private static double xCarETab;

     // The caret coordonate differences along axis after the insertion and the removing cycle.
     // 0 if the table layout is right.
     private static double dyCarFLTab;
     private static double dyCarLLTab;
     private static double dxCarBTab;
     private static double dxCarETab;

     private static JEditorPane edit = new JEditorPane();
     private static TableViewLayoutTest frame;

     private static String Prop = "\n";
     private static boolean isTabWrong = Boolean.FALSE;

     private static Boolean isI18n = false;

     public TableViewLayoutTest() {

         super("Code example for a TableView bug");
         setUndecorated(true);
         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         edit.setEditorKit(new CodeBugEditorKit());
         initCodeBug();
         this.getContentPane().add(new JScrollPane(edit));
         this.pack();
         this.setLocationRelativeTo(null);

         edit.addCaretListener(new CaretListener() {
             public void caretUpdate(CaretEvent e) {
                 JTextComponent textComp = (JTextComponent) e.getSource();
                 try {
                     Rectangle rect = textComp.getUI().modelToView(textComp, e.getDot());
                     yCaret = rect.getY();
                     xCaret = rect.getX();
                 } catch (BadLocationException ex) {
                     throw new RuntimeException("Failed to get pixel position of caret", ex);
                 }
             }
         });
     }

     private void initCodeBug() {
         CodeBugDocument doc = (CodeBugDocument) edit.getDocument();
         try {
             doc.insertString(0, "TextB  TextE", null);
         } catch (BadLocationException ex) {
         }
         doc.insertTable(6, 4, 3);
         try {
             doc.insertString(7, "Cell11", null);
             doc.insertString(14, "Cell12", null);
             doc.insertString(21, "Cell13", null);
             doc.insertString(28, "Cell21", null);
             doc.insertString(35, "Cell22", null);
             doc.insertString(42, "Cell23", null);
             doc.insertString(49, "Cell31", null);
             doc.insertString(56, "Cell32", null);
             doc.insertString(63, "Cell33", null);
             doc.insertString(70, "Cell41", null);
             doc.insertString(77, "Cell42", null);
             doc.insertString(84, "Cell43", null);
         } catch (BadLocationException ex) {
         }
     }

     public static void main(String[] args) throws Exception {

         for (int i = 0; i < tn; i++) {
             Robot rob = new Robot();

             SwingUtilities.invokeAndWait(new Runnable() {
                 @Override
                 public void run() {
                     frame = new TableViewLayoutTest();
                     frame.setVisible(true);
                 }
             });

             SwingUtilities.invokeAndWait(new Runnable() {
                 @Override
                 public void run() {
                     //Enable or disable i18n.
                     isI18n = !isI18n;
                     edit.getDocument().putProperty("i18n", isI18n);

                     //Made a change to update table layout.
                     //Without any change the table i18n property change is not take in account.
                     edit.select(11, 12);
                     edit.replaceSelection("1");

                     //Catch the four caret positions to test before insertions.
                     edit.setCaretPosition(6);
                     xCarBTab = xCaret;
                     edit.setCaretPosition(91);
                     xCarETab = xCaret;

                     edit.setCaretPosition(74);
                     yCarLLTab = yCaret;
                     edit.setCaretPosition(11);
                     yCarFLTab = yCaret;
                 }
             });

             hitKey(rob, KeyEvent.VK_T);
             hitKey(rob, KeyEvent.VK_E);
             hitKey(rob, KeyEvent.VK_S);
             hitKey(rob, KeyEvent.VK_T);
             hitKey(rob, KeyEvent.VK_BACK_SPACE);
             hitKey(rob, KeyEvent.VK_BACK_SPACE);
             hitKey(rob, KeyEvent.VK_BACK_SPACE);
             hitKey(rob, KeyEvent.VK_BACK_SPACE);

             rob.waitForIdle();

             SwingUtilities.invokeAndWait(new Runnable() {
                 @Override
                 public void run() {
                     //Calculate caret coordinate differences and catch caret positions after insertions.
                     edit.setCaretPosition(6);
                     dxCarBTab = Math.abs(xCarBTab - xCaret);
                     edit.setCaretPosition(91);
                     dxCarETab = Math.abs(xCarETab - xCaret);

                     edit.setCaretPosition(74);
                     dyCarLLTab = Math.abs(yCarLLTab - yCaret);
                     edit.setCaretPosition(11);
                     dyCarFLTab = Math.abs(yCarFLTab - yCaret);

                     edit.setCaretPosition(74);
                     yCarLLTab = yCaret;
                     edit.setCaretPosition(11);
                     yCarFLTab = yCaret;
                 }
             });

             Object dp = edit.getDocument().getProperty("i18n");
             Boolean isI18n = dp instanceof Boolean ? (Boolean) dp : Boolean.FALSE;
             String i18n = isI18n ? "\nWhen i18n enable, " : "\nWhen i18n disable, ";

             if (Math.abs(yCarFLTab - yCarLLTab) < 10) {
                 isTabWrong = Boolean.TRUE;
                 Prop = Prop + i18n + "test can't be completed : TableView layout wrong, lines overlap, see JDK-8133864.";
             } else {
                 if (dyCarFLTab != 0 || dyCarLLTab != 0) {
                     isTabWrong = Boolean.TRUE;
                     Prop = Prop + i18n + "TableView layout wrong : Table high change when inserts and removes caracters, bug never reported yet. First Line dy=" + dyCarFLTab + " Last Line dy=" + dyCarLLTab;
                 }
                 if (dxCarBTab != 0 || dxCarETab != 0) {
                     isTabWrong = Boolean.TRUE;
                     Prop = Prop + i18n + "TableView layout wrong : Table width change when inserts and removes caracters, see JDK-8158209 and JDK-7169915. Before Table dx=" + dxCarBTab + " After Table dx=" + dxCarETab;
                 }
             }
             rob.waitForIdle();

             SwingUtilities.invokeAndWait(new Runnable() {
                 @Override
                 public void run() {
                     frame.dispose();
                 }
             });
         }
         if (isTabWrong) {
             throw new RuntimeException(Prop);
         }

         System.out.println("ok");
     }

     private static void hitKey(Robot robot, int k) throws Exception {
         robot.delay(50);
         robot.keyPress(k);
         robot.keyRelease(k);
         robot.delay(50);
     }
 }

 //------------------------------------------------------------------------------
 class CodeBugEditorKit extends StyledEditorKit {

     ViewFactory defaultFactory = new TableFactory();

     @Override
     public ViewFactory getViewFactory() {
         return defaultFactory;
     }

     @Override
     public Document createDefaultDocument() {
         return new CodeBugDocument();
     }
 }
 //------------------------------------------------------------------------------

 class TableFactory implements ViewFactory {

     @Override
     public View create(Element elem) {
         String kind = elem.getName();
         if (kind != null) {
             if (kind.equals(AbstractDocument.ContentElementName)) {
                 return new LabelView(elem);
             } else if (kind.equals(AbstractDocument.ParagraphElementName)) {
                 return new ParagraphView(elem);
             } else if (kind.equals(AbstractDocument.SectionElementName)) {
                 return new BoxView(elem, View.Y_AXIS);
             } else if (kind.equals(StyleConstants.ComponentElementName)) {
                 return new ComponentView(elem);
             } else if (kind.equals(CodeBugDocument.ELEMENT_TABLE)) {
                 return new tableView(elem);
             } else if (kind.equals(StyleConstants.IconElementName)) {
                 return new IconView(elem);
             }
         }
         // default to text display
         return new LabelView(elem);

     }
 }
 //------------------------------------------------------------------------------

 //------------------------------------------------------------------------------
 class tableView extends TableView implements ViewFactory {

     public tableView(Element elem) {
         super(elem);
     }

     @Override
     public void setParent(View parent) {
         super.setParent(parent);
     }

     @Override
     public void setSize(float width, float height) {
         super.setSize(width, height);
     }

     @Override
     public ViewFactory getViewFactory() {
         return this;
     }

     @Override
     public float getMinimumSpan(int axis) {
         return getPreferredSpan(axis);
     }

     @Override
     public float getMaximumSpan(int axis) {
         return getPreferredSpan(axis);
     }

     @Override
     public float getAlignment(int axis) {
         return 0.5f;
     }

     @Override
     public float getPreferredSpan(int axis) {
         if (axis == 0) {
             return super.getPreferredSpan(0);
         }
         float preferredSpan = super.getPreferredSpan(axis);
         return preferredSpan;
     }

     @Override
     public void paint(Graphics g, Shape allocation) {
         super.paint(g, allocation);
         Rectangle alloc = allocation.getBounds();
         int lastY = alloc.y + alloc.height - 1;
         g.drawLine(alloc.x, lastY, alloc.x + alloc.width, lastY);
     }

     @Override
     protected void paintChild(Graphics g, Rectangle alloc, int index) {
         super.paintChild(g, alloc, index);
         int lastX = alloc.x + alloc.width;
         g.drawLine(alloc.x, alloc.y, lastX, alloc.y);
     }

     @Override
     public View create(Element elem) {
         String kind = elem.getName();
         if (kind != null) {
             if (kind.equals(CodeBugDocument.ELEMENT_TR)) {
                 return new trView(elem);
             } else if (kind.equals(CodeBugDocument.ELEMENT_TD)) {
                 return new BoxView(elem, View.Y_AXIS);

             }
         }

         // default is to delegate to the normal factory
         View p = getParent();
         if (p != null) {
             ViewFactory f = p.getViewFactory();
             if (f != null) {
                 return f.create(elem);
             }
         }

         return null;
     }

     public class trView extends TableRow {

         @Override
         public void setParent(View parent) {
             super.setParent(parent);
         }

         public trView(Element elem) {
             super(elem);
         }

         public float getMinimumSpan(int axis) {
             return getPreferredSpan(axis);
         }

         public float getMaximumSpan(int axis) {
             return getPreferredSpan(axis);
         }

         public float getAlignment(int axis) {
             return 0f;
         }

         @Override
         protected void paintChild(Graphics g, Rectangle alloc, int index) {
             super.paintChild(g, alloc, index);
             int lastY = alloc.y + alloc.height - 1;
             g.drawLine(alloc.x, alloc.y, alloc.x, lastY);
             int lastX = alloc.x + alloc.width;
             g.drawLine(lastX, alloc.y, lastX, lastY);
         }
     };
 }

 //------------------------------------------------------------------------------
 class CodeBugDocument extends DefaultStyledDocument {

     public static final String ELEMENT_TABLE = "table";
     public static final String ELEMENT_TR = "table cells row";
     public static final String ELEMENT_TD = "table data cell";

     public CodeBugDocument() {
         //putProperty("i18n", Boolean.TRUE);
     }

     protected void insertTable(int offset, int rowCount, int colCount) {
         try {
             ArrayList Specs = new ArrayList();
             ElementSpec gapTag = new ElementSpec(new SimpleAttributeSet(),
                     ElementSpec.ContentType, "\n".toCharArray(), 0, 1);
             Specs.add(gapTag);

             SimpleAttributeSet tableAttrs = new SimpleAttributeSet();
             tableAttrs.addAttribute(ElementNameAttribute, ELEMENT_TABLE);
             ElementSpec tableStart
                     = new ElementSpec(tableAttrs, ElementSpec.StartTagType);
             Specs.add(tableStart); //start table tag

             fillRowSpecs(Specs, rowCount, colCount);

             ElementSpec[] spec = new ElementSpec[Specs.size()];
             Specs.toArray(spec);

             this.insert(offset, spec);
         } catch (BadLocationException ex) {
         }
     }

     protected void fillRowSpecs(ArrayList Specs, int rowCount, int colCount) {
         SimpleAttributeSet rowAttrs = new SimpleAttributeSet();
         rowAttrs.addAttribute(ElementNameAttribute, ELEMENT_TR);
         for (int i = 0; i < rowCount; i++) {
             ElementSpec rowStart
                     = new ElementSpec(rowAttrs, ElementSpec.StartTagType);
             Specs.add(rowStart);

             fillCellSpecs(Specs, colCount);

             ElementSpec rowEnd
                     = new ElementSpec(rowAttrs, ElementSpec.EndTagType);
             Specs.add(rowEnd);
         }

     }

     protected void fillCellSpecs(ArrayList Specs, int colCount) {
         for (int i = 0; i < colCount; i++) {
             SimpleAttributeSet cellAttrs = new SimpleAttributeSet();
             cellAttrs.addAttribute(ElementNameAttribute, ELEMENT_TD);

             ElementSpec cellStart
                     = new ElementSpec(cellAttrs, ElementSpec.StartTagType);
             Specs.add(cellStart);

             ElementSpec parStart = new ElementSpec(new SimpleAttributeSet(),
                     ElementSpec.StartTagType);
             Specs.add(parStart);
             ElementSpec parContent = new ElementSpec(new SimpleAttributeSet(),
                     ElementSpec.ContentType, "\n".toCharArray(), 0, 1);
             Specs.add(parContent);
             ElementSpec parEnd = new ElementSpec(new SimpleAttributeSet(),
                     ElementSpec.EndTagType);
             Specs.add(parEnd);
             ElementSpec cellEnd
                     = new ElementSpec(cellAttrs, ElementSpec.EndTagType);
             Specs.add(cellEnd);
         }
     }
 }
	/*
	* Copyright (c) 2007, 2017, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	/*
	* @test
	* @key headful
	* @bug 8133864 8158209
	* @summary Wrong display, when the document I18n properties is true.
	*/
	import javax.swing.*;
	import javax.swing.text.*;
	import java.awt.*;
	import java.awt.event.KeyEvent;
	import java.util.ArrayList;
	import javax.swing.event.CaretEvent;
	import javax.swing.event.CaretListener;

	public class TableViewLayoutTest extends JFrame {

	private static double yCaret;
	private static double xCaret;

	// Number of iteration to verify the stability of the test with different robot delays :
	// Work well with robot.delay(50) in hitKey method.
	// But if the robot delay is too low, the test is not stable.
	// Put this to 100, and reduce robot delay sometimes answers may be different.
	private static int tn = 2;

	// The four caret positions to test.
	private static double yCarFLTab;
	private static double yCarLLTab;
	private static double xCarBTab;
	private static double xCarETab;

	// The caret coordonate differences along axis after the insertion and the removing cycle.
	// 0 if the table layout is right.
	private static double dyCarFLTab;
	private static double dyCarLLTab;
	private static double dxCarBTab;
	private static double dxCarETab;

	private static JEditorPane edit = new JEditorPane();
	private static TableViewLayoutTest frame;

	private static String Prop = "\n";
	private static boolean isTabWrong = Boolean.FALSE;

	private static Boolean isI18n = false;

	public TableViewLayoutTest() {

	super("Code example for a TableView bug");
	setUndecorated(true);
	setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	edit.setEditorKit(new CodeBugEditorKit());
	initCodeBug();
	this.getContentPane().add(new JScrollPane(edit));
	this.pack();
	this.setLocationRelativeTo(null);

	edit.addCaretListener(new CaretListener() {
	public void caretUpdate(CaretEvent e) {
	JTextComponent textComp = (JTextComponent) e.getSource();
	try {
	Rectangle rect = textComp.getUI().modelToView(textComp, e.getDot());
	yCaret = rect.getY();
	xCaret = rect.getX();
	} catch (BadLocationException ex) {
	throw new RuntimeException("Failed to get pixel position of caret", ex);
	}
	}
	});
	}

	private void initCodeBug() {
	CodeBugDocument doc = (CodeBugDocument) edit.getDocument();
	try {
	doc.insertString(0, "TextB TextE", null);
	} catch (BadLocationException ex) {
	}
	doc.insertTable(6, 4, 3);
	try {
	doc.insertString(7, "Cell11", null);
	doc.insertString(14, "Cell12", null);
	doc.insertString(21, "Cell13", null);
	doc.insertString(28, "Cell21", null);
	doc.insertString(35, "Cell22", null);
	doc.insertString(42, "Cell23", null);
	doc.insertString(49, "Cell31", null);
	doc.insertString(56, "Cell32", null);
	doc.insertString(63, "Cell33", null);
	doc.insertString(70, "Cell41", null);
	doc.insertString(77, "Cell42", null);
	doc.insertString(84, "Cell43", null);
	} catch (BadLocationException ex) {
	}
	}

	public static void main(String[] args) throws Exception {

	for (int i = 0; i < tn; i++) {
	Robot rob = new Robot();

	SwingUtilities.invokeAndWait(new Runnable() {
	@Override
	public void run() {
	frame = new TableViewLayoutTest();
	frame.setVisible(true);
	}
	});

	SwingUtilities.invokeAndWait(new Runnable() {
	@Override
	public void run() {
	//Enable or disable i18n.
	isI18n = !isI18n;
	edit.getDocument().putProperty("i18n", isI18n);

	//Made a change to update table layout.
	//Without any change the table i18n property change is not take in account.
	edit.select(11, 12);
	edit.replaceSelection("1");

	//Catch the four caret positions to test before insertions.
	edit.setCaretPosition(6);
	xCarBTab = xCaret;
	edit.setCaretPosition(91);
	xCarETab = xCaret;

	edit.setCaretPosition(74);
	yCarLLTab = yCaret;
	edit.setCaretPosition(11);
	yCarFLTab = yCaret;
	}
	});

	hitKey(rob, KeyEvent.VK_T);
	hitKey(rob, KeyEvent.VK_E);
	hitKey(rob, KeyEvent.VK_S);
	hitKey(rob, KeyEvent.VK_T);
	hitKey(rob, KeyEvent.VK_BACK_SPACE);
	hitKey(rob, KeyEvent.VK_BACK_SPACE);
	hitKey(rob, KeyEvent.VK_BACK_SPACE);
	hitKey(rob, KeyEvent.VK_BACK_SPACE);

	rob.waitForIdle();

	SwingUtilities.invokeAndWait(new Runnable() {
	@Override
	public void run() {
	//Calculate caret coordinate differences and catch caret positions after insertions.
	edit.setCaretPosition(6);
	dxCarBTab = Math.abs(xCarBTab - xCaret);
	edit.setCaretPosition(91);
	dxCarETab = Math.abs(xCarETab - xCaret);

	edit.setCaretPosition(74);
	dyCarLLTab = Math.abs(yCarLLTab - yCaret);
	edit.setCaretPosition(11);
	dyCarFLTab = Math.abs(yCarFLTab - yCaret);

	edit.setCaretPosition(74);
	yCarLLTab = yCaret;
	edit.setCaretPosition(11);
	yCarFLTab = yCaret;
	}
	});

	Object dp = edit.getDocument().getProperty("i18n");
	Boolean isI18n = dp instanceof Boolean ? (Boolean) dp : Boolean.FALSE;
	String i18n = isI18n ? "\nWhen i18n enable, " : "\nWhen i18n disable, ";

	if (Math.abs(yCarFLTab - yCarLLTab) < 10) {
	isTabWrong = Boolean.TRUE;
	Prop = Prop + i18n + "test can't be completed : TableView layout wrong, lines overlap, see JDK-8133864.";
	} else {
	if (dyCarFLTab != 0 \|\| dyCarLLTab != 0) {
	isTabWrong = Boolean.TRUE;
	Prop = Prop + i18n + "TableView layout wrong : Table high change when inserts and removes caracters, bug never reported yet. First Line dy=" + dyCarFLTab + " Last Line dy=" + dyCarLLTab;
	}
	if (dxCarBTab != 0 \|\| dxCarETab != 0) {
	isTabWrong = Boolean.TRUE;
	Prop = Prop + i18n + "TableView layout wrong : Table width change when inserts and removes caracters, see JDK-8158209 and JDK-7169915. Before Table dx=" + dxCarBTab + " After Table dx=" + dxCarETab;
	}
	}
	rob.waitForIdle();

	SwingUtilities.invokeAndWait(new Runnable() {
	@Override
	public void run() {
	frame.dispose();
	}
	});
	}
	if (isTabWrong) {
	throw new RuntimeException(Prop);
	}

	System.out.println("ok");
	}

	private static void hitKey(Robot robot, int k) throws Exception {
	robot.delay(50);
	robot.keyPress(k);
	robot.keyRelease(k);
	robot.delay(50);
	}
	}

	//------------------------------------------------------------------------------
	class CodeBugEditorKit extends StyledEditorKit {

	ViewFactory defaultFactory = new TableFactory();

	@Override
	public ViewFactory getViewFactory() {
	return defaultFactory;
	}

	@Override
	public Document createDefaultDocument() {
	return new CodeBugDocument();
	}
	}
	//------------------------------------------------------------------------------

	class TableFactory implements ViewFactory {

	@Override
	public View create(Element elem) {
	String kind = elem.getName();
	if (kind != null) {
	if (kind.equals(AbstractDocument.ContentElementName)) {
	return new LabelView(elem);
	} else if (kind.equals(AbstractDocument.ParagraphElementName)) {
	return new ParagraphView(elem);
	} else if (kind.equals(AbstractDocument.SectionElementName)) {
	return new BoxView(elem, View.Y_AXIS);
	} else if (kind.equals(StyleConstants.ComponentElementName)) {
	return new ComponentView(elem);
	} else if (kind.equals(CodeBugDocument.ELEMENT_TABLE)) {
	return new tableView(elem);
	} else if (kind.equals(StyleConstants.IconElementName)) {
	return new IconView(elem);
	}
	}
	// default to text display
	return new LabelView(elem);

	}
	}
	//------------------------------------------------------------------------------

	//------------------------------------------------------------------------------
	class tableView extends TableView implements ViewFactory {

	public tableView(Element elem) {
	super(elem);
	}

	@Override
	public void setParent(View parent) {
	super.setParent(parent);
	}

	@Override
	public void setSize(float width, float height) {
	super.setSize(width, height);
	}

	@Override
	public ViewFactory getViewFactory() {
	return this;
	}

	@Override
	public float getMinimumSpan(int axis) {
	return getPreferredSpan(axis);
	}

	@Override
	public float getMaximumSpan(int axis) {
	return getPreferredSpan(axis);
	}

	@Override
	public float getAlignment(int axis) {
	return 0.5f;
	}

	@Override
	public float getPreferredSpan(int axis) {
	if (axis == 0) {
	return super.getPreferredSpan(0);
	}
	float preferredSpan = super.getPreferredSpan(axis);
	return preferredSpan;
	}

	@Override
	public void paint(Graphics g, Shape allocation) {
	super.paint(g, allocation);
	Rectangle alloc = allocation.getBounds();
	int lastY = alloc.y + alloc.height - 1;
	g.drawLine(alloc.x, lastY, alloc.x + alloc.width, lastY);
	}

	@Override
	protected void paintChild(Graphics g, Rectangle alloc, int index) {
	super.paintChild(g, alloc, index);
	int lastX = alloc.x + alloc.width;
	g.drawLine(alloc.x, alloc.y, lastX, alloc.y);
	}

	@Override
	public View create(Element elem) {
	String kind = elem.getName();
	if (kind != null) {
	if (kind.equals(CodeBugDocument.ELEMENT_TR)) {
	return new trView(elem);
	} else if (kind.equals(CodeBugDocument.ELEMENT_TD)) {
	return new BoxView(elem, View.Y_AXIS);

	}
	}

	// default is to delegate to the normal factory
	View p = getParent();
	if (p != null) {
	ViewFactory f = p.getViewFactory();
	if (f != null) {
	return f.create(elem);
	}
	}

	return null;
	}

	public class trView extends TableRow {

	@Override
	public void setParent(View parent) {
	super.setParent(parent);
	}

	public trView(Element elem) {
	super(elem);
	}

	public float getMinimumSpan(int axis) {
	return getPreferredSpan(axis);
	}

	public float getMaximumSpan(int axis) {
	return getPreferredSpan(axis);
	}

	public float getAlignment(int axis) {
	return 0f;
	}

	@Override
	protected void paintChild(Graphics g, Rectangle alloc, int index) {
	super.paintChild(g, alloc, index);
	int lastY = alloc.y + alloc.height - 1;
	g.drawLine(alloc.x, alloc.y, alloc.x, lastY);
	int lastX = alloc.x + alloc.width;
	g.drawLine(lastX, alloc.y, lastX, lastY);
	}
	};
	}

	//------------------------------------------------------------------------------
	class CodeBugDocument extends DefaultStyledDocument {

	public static final String ELEMENT_TABLE = "table";
	public static final String ELEMENT_TR = "table cells row";
	public static final String ELEMENT_TD = "table data cell";

	public CodeBugDocument() {
	//putProperty("i18n", Boolean.TRUE);
	}

	protected void insertTable(int offset, int rowCount, int colCount) {
	try {
	ArrayList Specs = new ArrayList();
	ElementSpec gapTag = new ElementSpec(new SimpleAttributeSet(),
	ElementSpec.ContentType, "\n".toCharArray(), 0, 1);
	Specs.add(gapTag);

	SimpleAttributeSet tableAttrs = new SimpleAttributeSet();
	tableAttrs.addAttribute(ElementNameAttribute, ELEMENT_TABLE);
	ElementSpec tableStart
	= new ElementSpec(tableAttrs, ElementSpec.StartTagType);
	Specs.add(tableStart); //start table tag

	fillRowSpecs(Specs, rowCount, colCount);

	ElementSpec[] spec = new ElementSpec[Specs.size()];
	Specs.toArray(spec);

	this.insert(offset, spec);
	} catch (BadLocationException ex) {
	}
	}

	protected void fillRowSpecs(ArrayList Specs, int rowCount, int colCount) {
	SimpleAttributeSet rowAttrs = new SimpleAttributeSet();
	rowAttrs.addAttribute(ElementNameAttribute, ELEMENT_TR);
	for (int i = 0; i < rowCount; i++) {
	ElementSpec rowStart
	= new ElementSpec(rowAttrs, ElementSpec.StartTagType);
	Specs.add(rowStart);

	fillCellSpecs(Specs, colCount);

	ElementSpec rowEnd
	= new ElementSpec(rowAttrs, ElementSpec.EndTagType);
	Specs.add(rowEnd);
	}

	}

	protected void fillCellSpecs(ArrayList Specs, int colCount) {
	for (int i = 0; i < colCount; i++) {
	SimpleAttributeSet cellAttrs = new SimpleAttributeSet();
	cellAttrs.addAttribute(ElementNameAttribute, ELEMENT_TD);

	ElementSpec cellStart
	= new ElementSpec(cellAttrs, ElementSpec.StartTagType);
	Specs.add(cellStart);

	ElementSpec parStart = new ElementSpec(new SimpleAttributeSet(),
	ElementSpec.StartTagType);
	Specs.add(parStart);
	ElementSpec parContent = new ElementSpec(new SimpleAttributeSet(),
	ElementSpec.ContentType, "\n".toCharArray(), 0, 1);
	Specs.add(parContent);
	ElementSpec parEnd = new ElementSpec(new SimpleAttributeSet(),
	ElementSpec.EndTagType);
	Specs.add(parEnd);
	ElementSpec cellEnd
	= new ElementSpec(cellAttrs, ElementSpec.EndTagType);
	Specs.add(cellEnd);
	}
	}
	}