Java Code Examples for javax.swing.JEditorPane#modelToView()

@Override
public Object _makeVisible() {
    JEditorPane editor = (JEditorPane) parent.getComponent();
    Iterator iterator = findTag((HTMLDocument) editor.getDocument());
    int startOffset = iterator.getStartOffset();
    int endOffset = iterator.getEndOffset();
    try {
        Rectangle bounds = editor.modelToView(startOffset + (endOffset - startOffset) / 2);
        if (bounds != null) {
            bounds.height = editor.getVisibleRect().height;
            editor.scrollRectToVisible(bounds);
        }
    } catch (BadLocationException e) {
        throw new InvalidElementStateException("Unable to get text for tag " + tag + " in document with index " + index, e);
    }
    return null;
}
 

public void testLongLineUndo() throws Exception {
    loggingOn();
    JEditorPane pane = ViewUpdatesTesting.createPane();
    Document doc = pane.getDocument();
    UndoManager undoManager = ViewUpdatesTesting.getUndoManager(doc);
    int lineLen = 4000;
    StringBuilder sb = new StringBuilder(lineLen + 10);
    for (int i = 0; i < lineLen; i++) {
        sb.append('a');
    }
    sb.append('\n');
    doc.insertString(0, sb.toString(), null);
    pane.modelToView(0);
    doc.remove(0, lineLen);
    pane.modelToView(0);
    undoManager.undo();
    undoManager.redo();
}
 

public void testSimpleUndoRedo() throws Exception {
    loggingOn();
    JEditorPane pane = ViewUpdatesTesting.createPane();
    Document doc = pane.getDocument();
    UndoManager undoManager = ViewUpdatesTesting.getUndoManager(doc);
    doc.insertString(0, "abc\ndef\nghi\n", null);
    ViewUpdatesTesting.setViewBounds(pane, 4, 8);
    pane.modelToView(0);
    doc.insertString(4, "o", null);
    doc.remove(3, 3);
    doc.insertString(4, "ab", null);
    doc.remove(7, 2);
    pane.modelToView(0);
    undoManager.undo(); // insert(7,2)
    undoManager.undo(); // remove(4,2)
    undoManager.undo(); // insert(3,3)
    undoManager.undo();
    undoManager.redo();
    undoManager.redo();
    undoManager.redo();
    undoManager.redo();
}
 

@Override
public void _moveto() {
    JEditorPane editor = (JEditorPane) parent.getComponent();
    Iterator iterator = findTag((HTMLDocument) editor.getDocument());
    int startOffset = iterator.getStartOffset();
    int endOffset = iterator.getEndOffset();
    try {
        Rectangle bounds = editor.modelToView(startOffset + (endOffset - startOffset) / 2);
        getDriver().getDevices().moveto(parent.getComponent(), bounds.x + bounds.width / 2, bounds.y + bounds.height / 2);
    } catch (BadLocationException e) {
        throw new InvalidElementStateException("Unable to get text for tag " + tag + " in document with index " + index, e);
    }
}
 

public void testRemoveNewline() throws Exception {
    loggingOn();
    JEditorPane pane = ViewUpdatesTesting.createPane();
    Document doc = pane.getDocument();
    UndoManager undoManager = ViewUpdatesTesting.getUndoManager(doc);
    doc.insertString(0, "a\nb", null);
    doc.remove(1, 1);
    undoManager.undo();
    pane.modelToView(0);
}
 

protected void ClickForTextPopup(EditorOperator eo, String menu) {
    JEditorPaneOperator txt = eo.txtEditorPane();
    JEditorPane epane = (JEditorPane) txt.getSource();
    try {
        Rectangle rct = epane.modelToView(epane.getCaretPosition());
        txt.clickForPopup(rct.x, rct.y);
        JPopupMenuOperator popup = new JPopupMenuOperator();
        popup.pushMenu(menu);
    } catch (BadLocationException ex) {
        System.out.println("=== Bad location");
    }
}
 

protected void clickForTextPopup(EditorOperator eo, String menu) {
    JEditorPaneOperator txt = eo.txtEditorPane();
    JEditorPane epane = (JEditorPane) txt.getSource();
    try {
        Rectangle rct = epane.modelToView(epane.getCaretPosition());
        txt.clickForPopup(rct.x, rct.y);
        JPopupMenuOperator popup = new JPopupMenuOperator();
        popup.pushMenu(menu);
    } catch (BadLocationException ex) {
        System.out.println("=== Bad location");
    }
}
 

@Override
protected void run(Context context) throws Exception {
    List<JEditorPane> paneList = getPaneList(context);
    Random random = context.container().random();
    StringBuilder log = context.logOpBuilder();
    if (CREATE_PANE == name()) { // Just use ==
        if (log != null) {
            log.append("CREATE_ROOT_VIEW");
        }
        boolean createBounded = !paneList.isEmpty();
        JEditorPane pane = ViewUpdatesTesting.createPane(DocumentTesting.getDocument(context));
        paneList.add(pane);
        if (createBounded) {
            Document doc = pane.getDocument();
            int startOffset = random.nextInt(doc.getLength());
            int endOffset = startOffset + random.nextInt(doc.getLength() - startOffset) + 1;
            ViewUpdatesTesting.setViewBounds(pane, startOffset, endOffset);
            if (log != null) {
                log.append("(").append(startOffset).append(",").append(endOffset).append(")");
            }
        }
        if (log != null) {
            log.append("\n");
            context.logOp(log);
        }
        pane.modelToView(0);

    } else if (RELEASE_PANE == name()) { // Just use ==
        if (!paneList.isEmpty()) {
            int index = random.nextInt(paneList.size());
            paneList.remove(index);
            if (log != null) {
                log.append("DESTROY_ROOT_VIEW[" + index + "]\n");
            }
        }
    }
}
 

protected void clickForTextPopup(EditorOperator eo, String menu) {
    JEditorPaneOperator txt = eo.txtEditorPane();
    JEditorPane epane = (JEditorPane) txt.getSource();
    try {
        Rectangle rct = epane.modelToView(epane.getCaretPosition());
        txt.clickForPopup(rct.x, rct.y);
        JPopupMenuOperator popup = new JPopupMenuOperator();
        popup.pushMenu(menu);
    } catch (BadLocationException ex) {
        System.out.println("=== Bad location");
    }
}
 

protected void clickForTextPopup(EditorOperator eo, String menu) {
    JEditorPaneOperator txt = eo.txtEditorPane();
    JEditorPane epane = (JEditorPane) txt.getSource();
    try {
        Rectangle rct = epane.modelToView(epane.getCaretPosition());
        txt.clickForPopup(rct.x, rct.y);
        JPopupMenuOperator popup = new JPopupMenuOperator();
        popup.pushMenu(menu);
    } catch (BadLocationException ex) {
        System.out.println("=== Bad location");
    }
}
 

protected void clickForTextPopup(EditorOperator eo, String menu) {
    JEditorPaneOperator txt = eo.txtEditorPane();
    JEditorPane epane = (JEditorPane) txt.getSource();
    try {
        Rectangle rct = epane.modelToView(epane.getCaretPosition());
        txt.clickForPopup(rct.x, rct.y);
        JPopupMenuOperator popup = new JPopupMenuOperator();
        popup.pushMenu(menu);
    } catch (BadLocationException ex) {
        System.out.println("=== Bad location");
    }
}
 

protected void clickForTextPopup(EditorOperator eo, String menu) {
    JEditorPaneOperator txt = eo.txtEditorPane();
    JEditorPane epane = (JEditorPane) txt.getSource();
    try {
        Rectangle rct = epane.modelToView(epane.getCaretPosition());
        txt.clickForPopup(rct.x, rct.y);
        JPopupMenuOperator popup = new JPopupMenuOperator();
        popup.pushMenu(menu);
    } catch (BadLocationException ex) {
        System.out.println("=== Bad location");
    }
}
 

public void testLongLineInsert() throws Exception {
        loggingOn();
        ViewUpdatesTesting.setTestValues(ViewUpdatesTesting.NO_OP_TEST_VALUE);
        JEditorPane pane = ViewUpdatesTesting.createPane();
        Document doc = pane.getDocument();
        DocumentView docView = DocumentView.get(pane);
        pane.modelToView(0); // Cause initialization
        int offset;
        String text;
        
        offset = 0;
        int lineLen = 4000;
        StringBuilder sb = new StringBuilder(lineLen + 10);
        for (int i = 0; i < lineLen; i++) {
            sb.append('a');
        }
        sb.append('\n');
        text = sb.toString();
        ViewUpdatesTesting.setTestValues(
/*rebuildCause*/        ViewBuilder.RebuildCause.MOD_UPDATE,
/*createLocalViews*/    false,
/*startCreationOffset*/ 0,
/*matchOffset*/         offset + text.length() + 1, // createLocalViews == false
/*endCreationOffset*/   offset + text.length() + 1,
/*bmReuseOffset*/       0,
/*bmReusePView*/        docView.getParagraphView(0),
/*bmReuseLocalIndex*/   0,
/*amReuseOffset*/       Integer.MAX_VALUE, // createLocalViews == false
/*amReusePIndex*/       1,
/*amReusePView*/        null,
/*amReuseLocalIndex*/   0
        );
        doc.insertString(offset, text, null);
        ViewUpdatesTesting.checkViews(docView, 0, -1,
            4001, P_VIEW /* e:4001 */,
            1, P_VIEW /* e:4002 */
        );

        ViewUpdatesTesting.setTestValues();
    }
 

@Override
public void _moveto() {
    JEditorPane editor = (JEditorPane) parent.getComponent();
    try {
        Rectangle bounds = editor.modelToView(pos);
        getDriver().getDevices().moveto(parent.getComponent(), bounds.x + bounds.width / 2, bounds.y + bounds.height / 2);
    } catch (BadLocationException e) {
        throw new InvalidElementStateException("Invalid position " + pos + "(" + e.getMessage() + ")", e);
    }
}
 

@Override
public Point _getMidpoint() {
    JEditorPane editor = (JEditorPane) parent.getComponent();
    try {
        Rectangle bounds = editor.modelToView(pos);
        return new Point(bounds.x + bounds.width / 2, bounds.y + bounds.height / 2);
    } catch (BadLocationException e) {
        throw new InvalidElementStateException("Invalid position " + pos + "(" + e.getMessage() + ")", e);
    }
}
 

public void testEmptyCustomBounds() throws Exception {
    loggingOn();    
    JEditorPane pane = ViewUpdatesTesting.createPane();
    Document doc = pane.getDocument();
    pane.modelToView(0);
    doc.insertString(0, "hello\nworld\ngood\nmorning", null);
    Position startPos = doc.createPosition(3);
    pane.putClientProperty(DocumentView.START_POSITION_PROPERTY, startPos);
    pane.putClientProperty(DocumentView.END_POSITION_PROPERTY, startPos);
    pane.modelToView(0); // Force rebuild of VH

    Position endPos = doc.createPosition(2);
    pane.putClientProperty(DocumentView.END_POSITION_PROPERTY, endPos);
    pane.modelToView(0); // Force rebuild of VH
}
 

@Override
public Point _getMidpoint() {
    JEditorPane editor = (JEditorPane) parent.getComponent();
    Iterator iterator = findTag((HTMLDocument) editor.getDocument());
    int startOffset = iterator.getStartOffset();
    int endOffset = iterator.getEndOffset();
    try {
        Rectangle bounds = editor.modelToView(startOffset + (endOffset - startOffset) / 2);
        return new Point(bounds.x + bounds.width / 2, bounds.y + bounds.height / 2);
    } catch (BadLocationException e) {
        throw new InvalidElementStateException("Unable to get text for tag " + tag + " in document with index " + index + "("
                + "StartOffset: " + startOffset + " EndOffset: " + endOffset + ")", e);
    }
}
 

/** Forcibly create one editor component. Then set the caret
* to the given position.
* @param pos where to place the caret
* @param column where to place the caret
* @param reuse if true, the infrastructure tries to reuse other, already opened editor
 * for the purpose of opening this file/line. 
* @return always non-<code>null</code> editor
*/
private final Pane openAtImpl(final PositionRef pos, final int column, boolean reuse) {
    CloneableEditorSupport redirect = CloneableEditorSupportRedirector.findRedirect(this);
    if (redirect != null) {
        return redirect.openAtImpl(pos, column, reuse);
    }
    final Pane e = openPane(reuse);
    final Task t = prepareDocument();
    e.ensureVisible();
    class Selector implements TaskListener, Runnable {
        private boolean documentLocked = false;

        public void taskFinished(org.openide.util.Task t2) {
            javax.swing.SwingUtilities.invokeLater(this);
            t2.removeTaskListener(this);
        }

        public void run() {
            // #25435. Pane can be null.
            JEditorPane ePane = e.getEditorPane();

            if (ePane == null) {
                return;
            }

            StyledDocument doc = getDocument();

            if (doc == null) {
                return; // already closed or error loading
            }

            if (!documentLocked) {
                documentLocked = true;
                doc.render(this);
            } else {
                Caret caret = ePane.getCaret();

                if (caret == null) {
                    return;
                }

                int offset;

                // Pane's document may differ - see #204980
                Document paneDoc = ePane.getDocument();
                if (paneDoc instanceof StyledDocument && paneDoc != doc) {
                    if (ERR.isLoggable(Level.FINE)) {
                        ERR.fine("paneDoc=" + paneDoc + "\n !=\ndoc=" + doc); // NOI18N
                    }
                    doc = (StyledDocument) paneDoc;
                }

                javax.swing.text.Element el = NbDocument.findLineRootElement(doc);
                el = el.getElement(el.getElementIndex(pos.getOffset()));
                offset = el.getStartOffset() + Math.max(0, column);

                if (offset > el.getEndOffset()) {
                    offset = Math.max(el.getStartOffset(), el.getEndOffset() - 1);
                }

                caret.setDot(offset);

                try { // scroll to show reasonable part of the document
                    Rectangle r = ePane.modelToView(offset);
                    if (r != null) {
                        r.height *= 5;
                        ePane.scrollRectToVisible(r);
                    }
                } catch (BadLocationException ex) {
                    ERR.log(Level.WARNING, "Can't scroll to text: pos.getOffset=" + pos.getOffset() //NOI18N
                        + ", column=" + column + ", offset=" + offset //NOI18N
                        + ", doc.getLength=" + doc.getLength(), ex); //NOI18N
                }
            }
        }
    }
    t.addTaskListener(new Selector());

    return e;
}
 

private void DragSomething(
    String sFile,
    String sLocation,
    String sComponent
  )
{
  // Locate coords of HTML code
  EditorOperator eoPHP = new EditorOperator( sFile );
  eoPHP.setCaretPosition( sLocation, false );

 int iX = 0, iY = 0;

 JEditorPaneOperator txt = eoPHP.txtEditorPane( );
 JEditorPane epane =  ( JEditorPane )txt.getSource( );
 try
 {
   Rectangle rct = epane.modelToView( epane.getCaretPosition( ) );
   iX = rct.x;
   iY = rct.y;
 }
 catch( BadLocationException ex )
 {
   fail( "Unable to detect destination location." );
 }

 //TopComponentOperator top = new TopComponentOperator( "EmptyPHPWebPage.php" );
 TopComponentOperator pal = new TopComponentOperator( "Palette" );
 JListOperator list = new JListOperator( pal, 0 );

 ListModel lmd = list.getModel( );
 int iIndex = list.findItemIndex( sComponent );
 list.selectItem( iIndex );
 Point pt = list.getClickPoint( iIndex );

 MouseRobotDriver m_mouseDriver = new MouseRobotDriver(new Timeout("", 500));
 m_mouseDriver.moveMouse( list, pt.x, pt.y );
 m_mouseDriver.pressMouse( InputEvent.BUTTON1_MASK, 0 );
 m_mouseDriver.enterMouse( txt );
 m_mouseDriver.dragMouse( txt, iX, iY, InputEvent.BUTTON1_MASK, 0 );
 m_mouseDriver.releaseMouse( InputEvent.BUTTON1_MASK, 0 );

 return;
}
 

private void checkModelToViewCorrectness(JEditorPane jep) throws Exception {
        Document doc = jep.getDocument();
        
        assertTrue("Expecting BaseTextUI", jep.getUI() instanceof BaseTextUI);
        BaseTextUI btui = (BaseTextUI) jep.getUI();
        Insets margin = btui.getEditorUI().getTextMargin();
        int charWidth = btui.getEditorUI().defaultSpaceWidth;
        int charHeight = btui.getEditorUI().getLineHeight();

//        System.out.println("### charWidth = " + charWidth + ", charHeight = " + charHeight
//            + ", docLen = " + doc.getLength()
//            + ", jep.width = " + jep.getWidth()
//            + ", jep.height = " + jep.getHeight());
        
        for(int offset = 0; offset <= doc.getLength(); offset++) {
            // model-to-view translation
            Rectangle r = jep.modelToView(offset);
            assertNotNull("No m2v translation: offset = " + offset + ", docLen = " + doc.getLength(), r);

            View rootView = Utilities.getRootView(jep, DrawEngineDocView.class);
            int line = rootView.getViewIndex(offset, Position.Bias.Forward);
            int col = offset - rootView.getView(line).getStartOffset();

// XXX: this would be necessary for handling tabs, but it uses DrawEngineLineView
//      and therefore is not independent from the tested code, the inverse transformation
//      will be needed in checkViewToModel
//            int col = Utilities.getVisualColumn((BaseDocument)doc, offset);
//            int nextCol = offset >= rootView.getView(line).getEndOffset() - 1 ? col + 1 : Utilities.getVisualColumn((BaseDocument)doc, offset + 1);
//            System.out.println("### offset = " + offset + ", col = " + col + ", nextCol = " + nextCol + ", docLen = " + doc.getLength());

            Rectangle r2 = new Rectangle(
                margin.left + col * charWidth,
                margin.top + line * charHeight,
// XXX: see above comment about the tabs handling
//                (nextCol - col) * charWidth,
                charWidth,
                charHeight
            );

            assertEquals("Incorrect m2v translation: offset = " + offset + ", docLen = " + doc.getLength(), r2, r);
        }
    }