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

Example 31 with RegionChangedEvent

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

the class RegionChangedAdapterNotificationTests method testChangeQuotedAttributeValue.

public void testChangeQuotedAttributeValue() throws IOException {
    IDOMModel model = (IDOMModel) StructuredModelManager.getModelManager().getModelForEdit(getName() + ".xml", new NullInputStream(), null);
    try {
        Document document = model.getDocument();
        IStructuredDocument structuredDocument = model.getStructuredDocument();
        structuredDocument.setText(this, "<a b= \"c\"></a>");
        Node before = document.getFirstChild();
        final int[] changed = new int[] { -1 };
        INodeAdapter adapter = new INodeAdapter() {

            public boolean isAdapterForType(Object type) {
                return type.equals(RegionChangedAdapterNotificationTests.class);
            }

            public void notifyChanged(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) {
                changed[0] = eventType;
            }
        };
        ((INodeNotifier) before).addAdapter(adapter);
        Object[] originalRegions = structuredDocument.getFirstStructuredDocumentRegion().getRegions().toArray();
        StructuredDocumentEvent fmEvent = structuredDocument.replaceText(null, 7, 0, "d");
        assertTrue("Region instances changed", Arrays.equals(originalRegions, structuredDocument.getFirstStructuredDocumentRegion().getRegions().toArray()));
        assertTrue(fmEvent instanceof RegionChangedEvent);
        Node after = document.getFirstChild();
        assertEquals("Node replaced", before, after);
        assertEquals("Property Changed Adapter Notification event not sent " + changed[0] + " " + structuredDocument.get(), INodeNotifier.CHANGE, changed[0]);
        assertEquals("unexpected document content", "<a b= \"dc\"></a>", structuredDocument.get());
    } finally {
        model.releaseFromEdit();
    }
}

Example 32 with RegionChangedEvent

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

the class RegionChangedAdapterNotificationTests method testRemoveTrailingSpaceFromTagName.

public void testRemoveTrailingSpaceFromTagName() throws IOException {
    IDOMModel model = (IDOMModel) StructuredModelManager.getModelManager().getModelForEdit(getName() + ".xml", new NullInputStream(), null);
    try {
        Document document = model.getDocument();
        IStructuredDocument structuredDocument = model.getStructuredDocument();
        structuredDocument.setText(this, "<a  b= c></a>");
        Node before = document.getFirstChild();
        final int[] changed = new int[] { -1 };
        INodeAdapter adapter = new INodeAdapter() {

            public boolean isAdapterForType(Object type) {
                return type.equals(RegionChangedAdapterNotificationTests.class);
            }

            public void notifyChanged(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) {
                changed[0] = eventType;
            }
        };
        ((INodeNotifier) before).addAdapter(adapter);
        ((INodeNotifier) document).addAdapter(adapter);
        Object[] originalRegions = structuredDocument.getFirstStructuredDocumentRegion().getRegions().toArray();
        StructuredDocumentEvent fmEvent = structuredDocument.replaceText(null, 2, 1, "");
        assertTrue("Region instances changed", Arrays.equals(originalRegions, structuredDocument.getFirstStructuredDocumentRegion().getRegions().toArray()));
        assertTrue(fmEvent instanceof RegionChangedEvent);
        Node after = document.getFirstChild();
        assertEquals("Node replaced", before, after);
        assertEquals("unexpected adapter notification event sent " + structuredDocument.get(), -1, changed[0]);
        assertEquals("unexpected document content", "<a b= c></a>", structuredDocument.get());
    } finally {
        model.releaseFromEdit();
    }
}

Example 33 with RegionChangedEvent

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

the class RegionChangedAdapterNotificationTests method testAppendWhitespaceToTagName.

public void testAppendWhitespaceToTagName() throws IOException {
    IDOMModel model = (IDOMModel) StructuredModelManager.getModelManager().getModelForEdit(getName() + ".xml", new NullInputStream(), null);
    try {
        Document document = model.getDocument();
        IStructuredDocument structuredDocument = model.getStructuredDocument();
        structuredDocument.setText(this, "<a b= c></a>");
        Node before = document.getFirstChild();
        final int[] changed = new int[] { -1 };
        INodeAdapter adapter = new INodeAdapter() {

            public boolean isAdapterForType(Object type) {
                return type.equals(RegionChangedAdapterNotificationTests.class);
            }

            public void notifyChanged(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) {
                changed[0] = eventType;
            }
        };
        ((INodeNotifier) before).addAdapter(adapter);
        ((INodeNotifier) document).addAdapter(adapter);
        Object[] originalRegions = structuredDocument.getFirstStructuredDocumentRegion().getRegions().toArray();
        StructuredDocumentEvent fmEvent = structuredDocument.replaceText(null, 2, 0, " ");
        assertTrue("Region instances changed", Arrays.equals(originalRegions, structuredDocument.getFirstStructuredDocumentRegion().getRegions().toArray()));
        assertTrue(fmEvent instanceof RegionChangedEvent);
        Node after = document.getFirstChild();
        assertEquals("Node replaced", before, after);
        assertEquals("unexpected adapter notification event sent " + structuredDocument.get(), -1, changed[0]);
        assertEquals("unexpected document content", "<a  b= c></a>", structuredDocument.get());
    } finally {
        model.releaseFromEdit();
    }
}

Example 34 with RegionChangedEvent

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

the class StructuredDocumentReParser method regionCheck.

/**
 * If only one node is involved, sees how many regions are changed. If
 * only one, then its a 'regionChanged' event ... if more than one, its a
 * 'regionsReplaced' event.
 */
protected StructuredDocumentEvent regionCheck(IStructuredDocumentRegion oldNode, IStructuredDocumentRegion newNode) {
    // 
    StructuredDocumentEvent result = null;
    ITextRegionList oldRegions = oldNode.getRegions();
    ITextRegionList newRegions = newNode.getRegions();
    ITextRegion[] oldRegionsArray = oldRegions.toArray();
    ITextRegion[] newRegionsArray = newRegions.toArray();
    // 
    // for the 'regionsReplaced' event, we don't care if
    // the regions changed due to type, or text,
    // we'll just collect all those that are not equal
    // into the old and new region lists.
    // Note: we, of course, assume that old and new regions
    // are basically contiguous -- and we force it to be so,
    // even if not literally so, by starting at beginning to
    // find first difference, and then starting at end to find
    // last difference. Everything in between we assume is different.
    // 
    // going up is easy, we start at zero in each, and continue
    // till regions are not the same.
    int startOfDifferences = _computeStartOfDifferences(oldNode, oldRegions, newNode, newRegions);
    int endOfDifferencesOld = -1;
    int endOfDifferencesNew = -1;
    // then some portion of the lists are identical
    if ((startOfDifferences >= oldRegions.size()) || (startOfDifferences >= newRegions.size())) {
        if (oldRegions.size() < newRegions.size()) {
            // INSERT CASE
            // then there are new regions to add
            // these lengths will cause the vector of old ones to not
            // have any elements, and the vector of new regions to have
            // just the new ones.
            startOfDifferences = oldRegionsArray.length;
            endOfDifferencesOld = oldRegionsArray.length - 1;
            endOfDifferencesNew = newRegionsArray.length - 1;
        } else {
            if (oldRegions.size() > newRegions.size()) {
                // DELETE CASE
                // then there are old regions to delete
                // these lengths will cause the vector of old regions to
                // contain the ones to delete, and the vector of new
                // regions
                // not have any elements
                startOfDifferences = newRegionsArray.length;
                endOfDifferencesOld = oldRegionsArray.length - 1;
                endOfDifferencesNew = newRegionsArray.length - 1;
            } else {
                // else the lists are identical!
                // unlikely event, probably error in current design, since
                // we check for identity at the very beginning of
                // reparsing.
                result = new NoChangeEvent(fStructuredDocument, fRequester, fChanges, fStart, fLengthToReplace);
            }
        }
    } else {
        if ((startOfDifferences > -1) && (endOfDifferencesOld < 0) && (endOfDifferencesNew < 0)) {
            // We found a normal startOfDiffernces, but have not yet found
            // the ends.
            // We'll look for the end of differences by going backwards
            // down the two lists.
            // Here we need a seperate index for each array, since they
            // may
            // be (and
            // probably are) of different lengths.
            int indexOld = oldRegionsArray.length - 1;
            int indexNew = newRegionsArray.length - 1;
            while ((indexOld >= startOfDifferences) && (_greaterThanEffectedRegion(oldNode, oldRegionsArray[indexOld]))) {
                if ((!(oldNode.sameAs(oldRegionsArray[indexOld], newNode, newRegionsArray[indexNew], fLengthDifference)))) {
                    // endOfDifferencesNew = indexTwo;
                    break;
                }
                indexOld--;
                indexNew--;
            }
            endOfDifferencesOld = indexOld;
            endOfDifferencesNew = indexNew;
        }
    }
    // result != null means the impossible case above occurred
    if (result == null) {
        // Now form the two vectors of different regions
        ITextRegionList holdOldRegions = new TextRegionListImpl();
        ITextRegionList holdNewRegions = new TextRegionListImpl();
        if (startOfDifferences > -1 && endOfDifferencesOld > -1) {
            for (int i = startOfDifferences; i <= endOfDifferencesOld; i++) {
                holdOldRegions.add(oldRegionsArray[i]);
            }
        }
        if (startOfDifferences > -1 && endOfDifferencesNew > -1) {
            for (int i = startOfDifferences; i <= endOfDifferencesNew; i++) {
                holdNewRegions.add(newRegionsArray[i]);
            }
        }
        if (holdOldRegions.size() == 0 && holdNewRegions.size() == 0) {
            // then this means the regions were identical, which means
            // someone
            // pasted exactly the same thing they had selected, or !!!
            // someone deleted the end bracket of the tag. !!!?
            result = new NoChangeEvent(fStructuredDocument, fRequester, fChanges, fStart, fLengthToReplace);
        } else {
            // old instance of old node
            if ((holdOldRegions.size() == 1) && (holdNewRegions.size() == 1) && _regionsSameKind((holdNewRegions.get(0)), (holdOldRegions.get(0)))) {
                ITextRegion newOldRegion = swapNewForOldRegion(oldNode, holdOldRegions.get(0), newNode, holdNewRegions.get(0));
                // -- need to update any down stream regions, within this
                // 'oldNode'
                updateDownStreamRegions(oldNode, newOldRegion);
                result = new RegionChangedEvent(fStructuredDocument, fRequester, oldNode, newOldRegion, fChanges, fStart, fLengthToReplace);
            } else {
                replaceRegions(oldNode, holdOldRegions, newNode, holdNewRegions);
                // -- need to update any down stream regions, within this
                // 'oldNode'
                // don't need with the way replaceRegions is implemented.
                // It handles.
                // if(holdNewRegions.size() > 0)
                // updateDownStreamRegions(oldNode, (ITextRegion)
                // holdNewRegions.lastElement());
                result = new RegionsReplacedEvent(fStructuredDocument, fRequester, oldNode, holdOldRegions, holdNewRegions, fChanges, fStart, fLengthToReplace);
            }
        }
    }
    return result;
}