Examples with TextChangingEvent org.eclipse.swt.custom.TextChangingEvent used on opensource projects

Example 1 with TextChangingEvent

use of org.eclipse.swt.custom.TextChangingEvent in project tdi-studio-se by Talend.

the class StyledTextHandler method addListeners.

/**
     * DOC amaumont Comment method "addListeners".
     */
private void addListeners() {
    styledText.addFocusListener(new FocusListener() {

        public void focusGained(FocusEvent e) {
            refreshProposalSize();
        }

        public void focusLost(FocusEvent e) {
        }
    });
    styledText.addControlListener(new ControlListener() {

        public void controlMoved(ControlEvent e) {
        }

        public void controlResized(ControlEvent e) {
            refreshProposalSize();
        }
    });
    styledText.addExtendedModifyListener(new ExtendedModifyListener() {

        public void modifyText(ExtendedModifyEvent event) {
            // System.out.println("ExtendedModifyListener modify text");
            updateCellExpression();
        }
    });
    styledText.getContent().addTextChangeListener(new TextChangeListener() {

        public void textChanged(TextChangedEvent event) {
            highlightLineOfCursorPosition(styledText.getSelection());
        }

        public void textChanging(TextChangingEvent event) {
        // System.out.println("textChanging");
        }

        public void textSet(TextChangedEvent event) {
        // System.out.println("textSet");
        }
    });
    styledText.addModifyListener(new ModifyListener() {

        public void modifyText(ModifyEvent e) {
            highlightLineOfCursorPosition(styledText.getSelection());
        }
    });
    styledText.addKeyListener(new KeyListener() {

        public void keyPressed(KeyEvent e) {
            highlightLineOfCursorPosition(styledText.getSelection());
        }

        public void keyReleased(KeyEvent e) {
        // TODO Auto-generated method stub
        }
    });
    styledText.addVerifyKeyListener(new VerifyKeyListener() {

        public void verifyKey(VerifyEvent verifyEvent) {
            if (verifyEvent.character == '\r' && contentProposalAdapter != null && contentProposalAdapter.isProposalOpened()) {
                verifyEvent.doit = false;
            } else {
                verifyEvent.doit = true;
            }
        }
    });
    styledText.addMouseListener(new MouseListener() {

        public void mouseDoubleClick(MouseEvent e) {
            highlightLineOfCursorPosition(styledText.getSelection());
        }

        public void mouseDown(MouseEvent e) {
            highlightLineOfCursorPosition(styledText.getSelection());
        }

        public void mouseUp(MouseEvent e) {
        }
    });
}

Example 2 with TextChangingEvent

use of org.eclipse.swt.custom.TextChangingEvent in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_custom_TextChangeListener method test_textChangingLorg_eclipse_swt_custom_TextChangingEvent.

@Test
public void test_textChangingLorg_eclipse_swt_custom_TextChangingEvent() {
    StyledTextContent content = styledText.getContent();
    TextChangeListener listener = new TextChangeListener() {

        @Override
        public void textChanging(TextChangingEvent event) {
            switch(verify) {
                case 1:
                    {
                        assertTrue(":1a:", event.replaceLineCount == 0);
                        assertTrue(":1b:", event.newLineCount == 1);
                        break;
                    }
                case 2:
                    {
                        assertTrue(":2a:", event.replaceLineCount == 2);
                        assertTrue(":2b:", event.newLineCount == 0);
                        break;
                    }
                case 3:
                    {
                        assertTrue(":3a:", event.replaceLineCount == 0);
                        assertTrue(":3b:", event.newLineCount == 2);
                        break;
                    }
                case 4:
                    {
                        assertTrue(":4:", false);
                        break;
                    }
                case 5:
                    {
                        assertTrue(":5a:", event.replaceLineCount == 0);
                        assertTrue(":5b:", event.newLineCount == 1);
                        break;
                    }
                case 6:
                    {
                        assertTrue(":6a:", event.replaceLineCount == 1);
                        assertTrue(":6b:", event.newLineCount == 0);
                        break;
                    }
                case 7:
                    {
                        assertTrue(":7a:", event.replaceLineCount == 0);
                        assertTrue(":7b:", event.newLineCount == 0);
                        break;
                    }
                case 8:
                    {
                        assertTrue(":8a:", event.replaceLineCount == 1);
                        assertTrue(":8b:", event.newLineCount == 0);
                        break;
                    }
                case 9:
                    {
                        assertTrue(":9a:", event.replaceLineCount == 1);
                        assertTrue(":9b:", event.newLineCount == 0);
                        break;
                    }
                case 10:
                    {
                        assertTrue(":10:", false);
                        break;
                    }
                case 11:
                    {
                        assertTrue(":11:", false);
                        break;
                    }
                case 12:
                    {
                        assertTrue(":12a:", event.replaceLineCount == 0);
                        assertTrue(":12b:", event.newLineCount == 1);
                        break;
                    }
                case 13:
                    {
                        assertTrue(":13a:", event.replaceLineCount == 0);
                        assertTrue(":13b:", event.newLineCount == 1);
                        break;
                    }
                case 14:
                    {
                        assertTrue(":14:", false);
                        break;
                    }
                case 15:
                    {
                        assertTrue(":15a:", event.replaceLineCount == 1);
                        assertTrue(":15b:", event.newLineCount == 2);
                        break;
                    }
                case 16:
                    {
                        assertTrue(":16:", false);
                        break;
                    }
                case 17:
                    {
                        assertTrue(":17:", false);
                        break;
                    }
                case 18:
                    {
                        assertTrue(":18a:", event.replaceLineCount == 0);
                        assertTrue(":18b:", event.newLineCount == 2);
                        break;
                    }
                case 19:
                    {
                        assertTrue(":19a:", event.replaceLineCount == 0);
                        assertTrue(":19b:", event.newLineCount == 3);
                        break;
                    }
                case 20:
                    {
                        assertTrue(":20:", false);
                        break;
                    }
            }
        }

        @Override
        public void textChanged(TextChangedEvent event) {
        }

        @Override
        public void textSet(TextChangedEvent event) {
        }
    };
    content.addTextChangeListener(listener);
    boolean exceptionHandled = false;
    verify = 1;
    styledText.setText("testing");
    styledText.replaceTextRange(0, 0, "\n");
    verify = 2;
    styledText.setText("\n\n");
    styledText.replaceTextRange(0, 2, "a");
    verify = 3;
    styledText.setText("a");
    styledText.replaceTextRange(0, 1, "\n\n");
    verify = 4;
    styledText.setText("L1\r\nL2\r\nL3\r\nL4\r\n");
    try {
        styledText.replaceTextRange(3, 1, "test\n");
    } catch (IllegalArgumentException ex) {
        exceptionHandled = true;
    }
    assertTrue(":4: exception not thrown", exceptionHandled);
    exceptionHandled = false;
    verify = 5;
    styledText.setText("Line 1\r\nLine 2");
    styledText.replaceTextRange(0, 0, "\r");
    verify = 6;
    styledText.setText("This\nis a test\nline 3\nline 4");
    styledText.replaceTextRange(21, 7, "");
    verify = 7;
    styledText.setText("This\nis a test\r");
    styledText.replaceTextRange(5, 9, "");
    verify = 8;
    styledText.setText("\nL1\r\nL2\r\n");
    styledText.replaceTextRange(7, 2, "");
    verify = 9;
    styledText.setText("L1\r\n");
    styledText.replaceTextRange(2, 2, "test");
    verify = 10;
    styledText.setText("L1\r\n");
    try {
        styledText.replaceTextRange(3, 1, "");
    } catch (IllegalArgumentException ex) {
        exceptionHandled = true;
    }
    assertTrue(":10: exception not thrown", exceptionHandled);
    exceptionHandled = false;
    verify = 11;
    styledText.setText("L1\r\nL2\r\nL3\r\nL4\r\n");
    try {
        styledText.replaceTextRange(1, 2, "");
    } catch (IllegalArgumentException ex) {
        exceptionHandled = true;
    }
    assertTrue(":11: exception not thrown", exceptionHandled);
    exceptionHandled = false;
    verify = 12;
    styledText.setText("L1\r");
    styledText.replaceTextRange(3, 0, "\n");
    verify = 13;
    styledText.setText("L1\n");
    styledText.replaceTextRange(2, 0, "\r");
    verify = 14;
    styledText.setText("L1\r\n");
    try {
        styledText.replaceTextRange(3, 0, "test");
    } catch (IllegalArgumentException ex) {
        exceptionHandled = true;
    }
    assertTrue(":14: exception not thrown", exceptionHandled);
    exceptionHandled = false;
    verify = 15;
    styledText.setText("L1\r\n");
    styledText.replaceTextRange(2, 2, "test\n\n");
    verify = 16;
    styledText.setText("L1\r\n");
    try {
        styledText.replaceTextRange(3, 1, "test\r\n");
    } catch (IllegalArgumentException ex) {
        exceptionHandled = true;
    }
    assertTrue(":16: exception not thrown", exceptionHandled);
    exceptionHandled = false;
    verify = 17;
    styledText.setText("L1\r\nL2\r\nL3\r\nL4\r\n");
    try {
        styledText.replaceTextRange(1, 2, "test\n\n");
    } catch (IllegalArgumentException ex) {
        exceptionHandled = true;
    }
    assertTrue(":17: exception not thrown", exceptionHandled);
    exceptionHandled = false;
    verify = 18;
    styledText.setText("L1\r");
    styledText.replaceTextRange(3, 0, "\ntest\r\n");
    verify = 19;
    styledText.setText("L1\n");
    styledText.replaceTextRange(2, 0, "test\r\r\r");
    verify = 20;
    styledText.setText("L1\r\nL2\r\nL3\r\nL4\r\n");
    try {
        styledText.replaceTextRange(3, 1, "test\n");
    } catch (IllegalArgumentException ex) {
        exceptionHandled = true;
    }
    assertTrue(":20: exception not thrown", exceptionHandled);
    exceptionHandled = false;
    content.removeTextChangeListener(listener);
}

Example 3 with TextChangingEvent

use of org.eclipse.swt.custom.TextChangingEvent in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_custom_TextChangeListener method test_textSetLorg_eclipse_swt_custom_TextChangedEvent.

@Test
public void test_textSetLorg_eclipse_swt_custom_TextChangedEvent() {
    StyledTextContent content = styledText.getContent();
    TextChangeListener listener = new TextChangeListener() {

        @Override
        public void textChanging(TextChangingEvent event) {
        }

        @Override
        public void textChanged(TextChangedEvent event) {
        }

        @Override
        public void textSet(TextChangedEvent event) {
            switch(verify) {
                case 1:
                    {
                        assertTrue(":1:", styledText.getText().equals("testing"));
                        break;
                    }
                case 2:
                    {
                        assertTrue(":2:", styledText.getText().equals("\n\n"));
                        break;
                    }
                case 3:
                    {
                        assertTrue(":3:", styledText.getText().equals("a"));
                        break;
                    }
                case 4:
                    {
                        assertTrue(":4:", styledText.getText().isEmpty());
                        break;
                    }
            }
        }
    };
    content.addTextChangeListener(listener);
    verify = 1;
    styledText.setText("testing");
    verify = 2;
    styledText.setText("\n\n");
    verify = 3;
    styledText.setText("a");
    verify = 4;
    try {
        styledText.setText(null);
    } catch (IllegalArgumentException ex) {
        assertTrue(":4:", true);
    }
    content.removeTextChangeListener(listener);
}

Example 4 with TextChangingEvent

use of org.eclipse.swt.custom.TextChangingEvent in project dbeaver by dbeaver.

the class DisplayedContent method shiftLines.

/**
 * Shifts full lines of text and fills the new empty space with text
 *
 * @param text    to replace new empty lines. Its size determines the number of lines to shift
 * @param forward shifts lines either forward or backward
 */
public void shiftLines(String text, boolean forward) {
    if (text.length() == 0)
        return;
    int linesInText = (text.length() - 1) / numberOfColumns + 1;
    int currentLimit = Math.min(data.length(), linesTimesColumns);
    TextChangingEvent event = new TextChangingEvent(this);
    event.start = forward ? 0 : currentLimit;
    event.newText = text;
    event.replaceCharCount = 0;
    event.newCharCount = text.length();
    event.replaceLineCount = 0;
    event.newLineCount = linesInText;
    for (TextChangeListener myTextListener : textListeners) myTextListener.textChanging(event);
    data.insert(event.start, text);
    TextChangedEvent changedEvent = new TextChangedEvent(this);
    for (TextChangeListener myTextListener : textListeners) myTextListener.textChanged(changedEvent);
    event = new TextChangingEvent(this);
    // event.start = forward ? linesTimesColumns : 0;
    event.start = forward ? linesTimesColumns - 1 : 0;
    event.newText = "";
    event.replaceCharCount = linesInText * numberOfColumns - linesTimesColumns + currentLimit;
    event.newCharCount = 0;
    event.replaceLineCount = linesInText;
    event.newLineCount = 0;
    for (TextChangeListener myTextListener : textListeners) myTextListener.textChanging(event);
    // data.delete(event.start, event.start + event.replaceCharCount);
    if (forward)
        data.delete(linesTimesColumns, linesTimesColumns + event.replaceCharCount);
    else
        data.delete(0, event.replaceCharCount);
    changedEvent = new TextChangedEvent(this);
    for (TextChangeListener myTextListener : textListeners) myTextListener.textChanged(changedEvent);
}

Example 5 with TextChangingEvent

use of org.eclipse.swt.custom.TextChangingEvent in project webtools.sourceediting by eclipse.

the class StructuredDocumentToTextAdapter method relayTextChanging.

/**
 * Sends a text change to all registered listeners
 */
protected void relayTextChanging(int requestedStart, int requestedLength, String requestedChange) {
    if (getDocument() == null)
        return;
    if (isStoppedForwardingChanges()) {
        if (Debug.debugStructuredDocument && getDocument() != null) {
            // $NON-NLS-1$ //$NON-NLS-2$
            System.out.println("NOT relaying text changing: " + requestedStart + ":" + getDocument().getLength());
        }
        return;
    }
    if (Debug.debugStructuredDocument && getDocument() != null) {
        // $NON-NLS-1$ //$NON-NLS-2$
        System.out.println("relaying text changing: " + requestedStart + ":" + getDocument().getLength());
    }
    lastEvent = null;
    try {
        final TextChangingEvent textChangingEvent = new TextChangingEvent(this);
        textChangingEvent.start = requestedStart;
        textChangingEvent.replaceCharCount = requestedLength;
        textChangingEvent.newCharCount = (requestedChange == null ? 0 : requestedChange.length());
        textChangingEvent.replaceLineCount = getDocument().getNumberOfLines(requestedStart, requestedLength) - 1;
        textChangingEvent.newText = requestedChange;
        textChangingEvent.newLineCount = (requestedChange == null ? 0 : getDocument().computeNumberOfLines(requestedChange));
        // we must assign listeners to local variable,
        // since the add and remove listner
        // methods can change the actual instance of the
        // listener array from another thread
        Runnable runnable = new Runnable() {

            public void run() {
                if (fTextChangeListeners != null) {
                    TextChangeListener[] holdListeners = fTextChangeListeners;
                    for (int i = 0; i < holdListeners.length; i++) {
                        // this is a safe cast, since
                        // addListeners requires a
                        // IStructuredDocumentListener
                        holdListeners[i].textChanging(textChangingEvent);
                    }
                }
            }
        };
        runOnDisplayThreadIfNeedede(runnable);
    } catch (BadLocationException e) {
        // log for now, unless we find reason not to
        Logger.log(Logger.INFO, e.getMessage());
    }
}