Examples with RegionChangedEvent org.eclipse.wst.sse.core.internal.provisional.events.RegionChangedEvent used on opensource projects

Example 1 with RegionChangedEvent

use of org.eclipse.wst.sse.core.internal.provisional.events.RegionChangedEvent in project webtools.sourceediting by eclipse.

the class TestRegionChangedEvent method getBasicEvent.

private RegionChangedEvent getBasicEvent() {
    IStructuredDocument document = StructuredDocumentFactory.getNewStructuredDocumentInstance(new NullParser());
    document.setText(this, testString);
    RegionChangedEvent event = new RegionChangedEvent(document, this, null, null, "", 0, 0);
    return event;
}

Example 2 with RegionChangedEvent

use of org.eclipse.wst.sse.core.internal.provisional.events.RegionChangedEvent in project webtools.sourceediting by eclipse.

the class TestRegionChangedEvent method testGetStructuredDocumentRegion.

public void testGetStructuredDocumentRegion() {
    RegionChangedEvent event = getBasicEvent();
    ITextRegion region = event.getRegion();
    assertEquals(null, region);
}

Example 3 with RegionChangedEvent

use of org.eclipse.wst.sse.core.internal.provisional.events.RegionChangedEvent in project webtools.sourceediting by eclipse.

the class TestRegionChangedEvent method testGetRegion.

public void testGetRegion() {
    RegionChangedEvent event = getBasicEvent();
    IStructuredDocumentRegion structuredDocumentRegion = event.getStructuredDocumentRegion();
    assertEquals(null, structuredDocumentRegion);
}

Example 4 with RegionChangedEvent

use of org.eclipse.wst.sse.core.internal.provisional.events.RegionChangedEvent in project webtools.sourceediting by eclipse.

the class BasicStructuredDocument method internalReplaceText.

/**
 * @param requester
 * @param start
 * @param replacementLength
 * @param changes
 * @param modificationStamp
 * @param ignoreReadOnlySettings
 * @return
 */
private StructuredDocumentEvent internalReplaceText(Object requester, int start, int replacementLength, String changes, long modificationStamp, boolean ignoreReadOnlySettings) {
    StructuredDocumentEvent result = null;
    stopPostNotificationProcessing();
    if (changes == null)
        // $NON-NLS-1$
        changes = "";
    // 
    if (Debug.debugStructuredDocument)
        // $NON-NLS-4$//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$
        System.out.println(getClass().getName() + "::replaceText(" + start + "," + replacementLength + "," + changes + ")");
    if (Debug.perfTestStructuredDocumentOnly || Debug.perfTest || Debug.perfTestRawStructuredDocumentOnly) {
        startStreamTime = System.currentTimeMillis();
    }
    try {
        // Note: event must be computed before 'fire' method called
        fDocumentEvent = new DocumentEvent(this, start, replacementLength, changes);
        fireDocumentAboutToChanged();
        try {
            acquireLock();
            if (!ignoreReadOnlySettings && (containsReadOnly(start, replacementLength))) {
                NoChangeEvent noChangeEvent = new NoChangeEvent(this, requester, changes, start, replacementLength);
                noChangeEvent.reason = NoChangeEvent.READ_ONLY_STATE_CHANGE;
                result = noChangeEvent;
            } else {
                result = updateModel(requester, start, replacementLength, changes);
            }
        } finally {
            releaseLock();
        }
        if (Debug.perfTestRawStructuredDocumentOnly || Debug.perfTest) {
            long stopStreamTime = System.currentTimeMillis();
            // $NON-NLS-1$
            System.out.println("\n\t\t\t\t Time for IStructuredDocument raw replaceText: " + (stopStreamTime - startStreamTime));
        }
        if (Debug.debugStructuredDocument) {
            // $NON-NLS-1$
            System.out.println("event type returned by replaceTextWithNoDebuggingThread: " + result);
        }
    } finally {
        // increment modification stamp if modifications were made
        if (result != null && !(result instanceof NoChangeEvent)) {
            fModificationStamp = modificationStamp;
            fNextModificationStamp = Math.max(fModificationStamp, fNextModificationStamp);
            fDocumentEvent.fModificationStamp = fModificationStamp;
        }
        if (result == null) {
            // result should not be null, but if an exception was thrown,
            // it will be
            // so send a noChangeEvent and log the problem
            NoChangeEvent noChangeEvent = new NoChangeEvent(this, requester, changes, start, replacementLength);
            noChangeEvent.reason = NoChangeEvent.NO_EVENT;
            fireStructuredDocumentEvent(noChangeEvent);
            // $NON-NLS-1$
            Logger.log(Logger.ERROR, "Program Error: invalid structured document event");
        } else {
            if (result instanceof RegionChangedEvent) {
                fireStructuredDocumentEvent((RegionChangedEvent) result);
            } else {
                if (result instanceof RegionsReplacedEvent) {
                    fireStructuredDocumentEvent((RegionsReplacedEvent) result);
                } else {
                    if (result instanceof StructuredDocumentRegionsReplacedEvent) {
                        // probably more efficient to mark old regions as
                        // 'deleted' at the time
                        // that are determined to be deleted, but I'll do
                        // here
                        // in then central spot
                        // for programming ease.
                        updateDeletedFields((StructuredDocumentRegionsReplacedEvent) result);
                        fireStructuredDocumentEvent((StructuredDocumentRegionsReplacedEvent) result);
                    } else {
                        if (result instanceof NoChangeEvent) {
                            fireStructuredDocumentEvent((NoChangeEvent) result);
                        } else {
                            // if here, this means a new event was created
                            // and not handled here
                            // just send a no event until this issue is
                            // resolved.
                            NoChangeEvent noChangeEvent = new NoChangeEvent(this, requester, changes, start, replacementLength);
                            noChangeEvent.reason = NoChangeEvent.NO_EVENT;
                            fireStructuredDocumentEvent(noChangeEvent);
                            // $NON-NLS-1$
                            Logger.log(Logger.INFO, "Program Error: unexpected structured document event: " + result);
                        }
                    }
                }
            }
        }
        if (Debug.perfTest || Debug.perfTestStructuredDocumentOnly) {
            long stopStreamTime = System.currentTimeMillis();
            // $NON-NLS-1$
            System.out.println("\n\t\t\t\t Total Time for IStructuredDocument event signaling/processing in replaceText: " + (stopStreamTime - startStreamTime));
        }
        resumePostNotificationProcessing();
    }
    return result;
}

Example 5 with RegionChangedEvent

use of org.eclipse.wst.sse.core.internal.provisional.events.RegionChangedEvent in project webtools.sourceediting by eclipse.

the class RegionUpdateRule method updateModel.

// need an adjust text length API before this can be used
public static StructuredDocumentEvent updateModel(ITextRegion region, Object requester, IStructuredDocumentRegion parent, String changes, int requestStart, int lengthToReplace) {
    RegionChangedEvent result = null;
    // always follow this pattern.)
    if (Debug.debugStructuredDocument) {
        // $NON-NLS-1$
        System.out.println("\t\tContextRegion::updateModel");
        // $NON-NLS-1$
        System.out.println("\t\t\tregion type is " + region.getType());
    }
    boolean canHandle = false;
    // on one region.
    if ((changes == null) || (changes.length() == 0)) {
        // involving whitespace.
        if ((region.getStart() >= region.getTextEnd()) || (Math.abs(lengthToReplace) >= region.getTextEnd() - region.getStart())) {
            canHandle = false;
        } else {
            canHandle = true;
        }
    } else {
        if ((RegionUpdateRule.canHandleAsWhiteSpace(region, parent, changes, requestStart, lengthToReplace)) || RegionUpdateRule.canHandleAsLetterOrDigit(region, parent, changes, requestStart, lengthToReplace)) {
            canHandle = true;
        } else {
            canHandle = false;
        }
    }
    if (canHandle) {
        // updating the text store and down stream flatnodes.
        if (Debug.debugStructuredDocument) {
            // $NON-NLS-1$
            System.out.println("change handled by region");
        }
        int lengthDifference = Utilities.calculateLengthDifference(changes, lengthToReplace);
        // Note: we adjust both end and text end, because for any change
        // that is in only the trailing whitespace region, we should not
        // do a quick change,
        // so 'canHandle' should have been false for those case.
        region.adjustLength(lengthDifference);
        // the total length is changing.
        if (!RegionUpdateRule.canHandleAsWhiteSpace(region, parent, changes, region.getStart(), lengthToReplace)) {
        // region.adjustTextLength(lengthDifference);
        }
        result = new RegionChangedEvent(parent.getParentDocument(), requester, parent, region, changes, requestStart, lengthToReplace);
    }
    return result;
}