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

Example 6 with TextChangeListener

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

the class Test_org_eclipse_swt_custom_StyledText method test_setContentLorg_eclipse_swt_custom_StyledTextContent.

@Test
public void test_setContentLorg_eclipse_swt_custom_StyledTextContent() {
    boolean exceptionThrown;
    StyledTextContent content = new StyledTextContent() {

        @Override
        public void addTextChangeListener(TextChangeListener listener) {
        }

        @Override
        public int getCharCount() {
            return 0;
        }

        @Override
        public String getLine(int lineIndex) {
            return "";
        }

        @Override
        public int getLineAtOffset(int offset) {
            return 0;
        }

        @Override
        public int getLineCount() {
            return 0;
        }

        @Override
        public String getLineDelimiter() {
            return "";
        }

        @Override
        public int getOffsetAtLine(int lineIndex) {
            return 0;
        }

        @Override
        public String getTextRange(int start, int length) {
            return "";
        }

        @Override
        public void removeTextChangeListener(TextChangeListener listener) {
        }

        @Override
        public void replaceTextRange(int start, int replaceLength, String text) {
        }

        @Override
        public void setText(String text) {
        }
    };
    text.setContent(content);
    assertEquals(content, text.getContent());
    exceptionThrown = false;
    try {
        text.setContent(null);
    } catch (IllegalArgumentException e) {
        exceptionThrown = true;
    }
    assertTrue(exceptionThrown);
}

Example 7 with TextChangeListener

use of org.eclipse.swt.custom.TextChangeListener 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());
    }
}

Example 8 with TextChangeListener

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

the class StructuredDocumentToTextAdapter method relayTextChanged.

/**
 * Sends a text replace event to all registered listeners.
 */
protected void relayTextChanged() {
    if (isStoppedForwardingChanges()) {
        if (Debug.debugStructuredDocument && getDocument() != null) {
            // $NON-NLS-1$ //$NON-NLS-2$
            System.out.println("NOT relaying text changed (" + getDocument().getLength() + ")");
        }
        return;
    }
    if (Debug.debugStructuredDocument && getDocument() != null) {
        // $NON-NLS-1$ //$NON-NLS-2$
        System.out.println("relaying text changed (" + getDocument().getLength() + ")");
    }
    final TextChangedEvent textChangedEvent = new TextChangedEvent(this);
    // we must assign listeners to local variable, since
    // the add and remove listener
    // methods can change the actual instance of the
    // listener array from another thread
    Runnable runnable = new Runnable() {

        public void run() {
            if (fTextChangeListeners != null) {
                Object[] holdListeners = fTextChangeListeners;
                for (int i = 0; i < holdListeners.length; i++) {
                    // this is a safe cast, since addListeners
                    // requires a IStructuredDocumentListener
                    ((TextChangeListener) holdListeners[i]).textChanged(textChangedEvent);
                }
            }
        }
    };
    runOnDisplayThreadIfNeedede(runnable);
    redrawTextChanged();
}

Example 9 with TextChangeListener

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

the class StructuredDocumentToTextAdapter method relayTextSet.

/**
 * Sends a text set event to all registered listeners. Widget should
 * redraw itself automatically.
 */
protected void relayTextSet() {
    if (isStoppedForwardingChanges()) {
        if (Debug.debugStructuredDocument && getDocument() != null) {
            // $NON-NLS-1$ //$NON-NLS-2$
            System.out.println("NOT relaying text set (" + getDocument().getLength() + ")");
        }
        return;
    }
    if (Debug.debugStructuredDocument && getDocument() != null) {
        // $NON-NLS-1$ //$NON-NLS-2$
        System.out.println("relaying text set (" + getDocument().getLength() + ")");
    }
    lastEvent = null;
    final TextChangedEvent textChangedEvent = new TextChangedEvent(this);
    // 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++) {
                    holdListeners[i].textSet(textChangedEvent);
                }
            }
        }
    };
    runOnDisplayThreadIfNeedede(runnable);
}

Example 10 with TextChangeListener

use of org.eclipse.swt.custom.TextChangeListener in project dbeaver by serge-rider.

the class DisplayedContent method setText.

/**
 * @see org.eclipse.swt.custom.StyledTextContent#setText(java.lang.String)
 */
@Override
public void setText(String text) {
    data.setLength(0);
    data.append(text, 0, Math.min(text.length(), Math.max(0, linesTimesColumns)));
    TextChangedEvent changedEvent = new TextChangedEvent(this);
    for (TextChangeListener textListener : textListeners) {
        textListener.textSet(changedEvent);
    }
}