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

Example 6 with RegionChangedEvent

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

the class AttributeValueRegion method updateRegion.

public StructuredDocumentEvent updateRegion(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 " + fType);
    }
    boolean canHandle = false;
    // on one region.
    if ((changes == null) || (changes.length() == 0)) {
        // involving whitespace.
        if ((fStart >= getTextEnd()) || (Math.abs(lengthToReplace) >= getTextEnd() - getStart())) {
            canHandle = false;
        } else {
            canHandle = true;
        }
    } else {
        if ((RegionUpdateRule.canHandleAsWhiteSpace(this, parent, changes, requestStart, lengthToReplace)) || RegionUpdateRule.canHandleAsLetterOrDigit(this, 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);
        // the total length is changing.
        if (!RegionUpdateRule.canHandleAsWhiteSpace(this, parent, changes, requestStart, lengthToReplace)) {
            fTextLength += lengthDifference;
        }
        // update length (and end) after above check for white space,
        // since
        // it looks to determine if at end of region.
        fLength += lengthDifference;
        result = new RegionChangedEvent(parent.getParentDocument(), requester, parent, this, changes, requestStart, lengthToReplace);
    }
    return result;
}

Example 7 with RegionChangedEvent

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

the class RegionChangedAdapterNotificationTests method testReplaceTrailingSpaceofEqualSignWithTwoSpaces.

public void testReplaceTrailingSpaceofEqualSignWithTwoSpaces() 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, 5, 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 8 with RegionChangedEvent

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

the class RegionChangedAdapterNotificationTests method testAppendWhitespaceToEqualSign.

public void testAppendWhitespaceToEqualSign() 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, 5, 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 9 with RegionChangedEvent

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

the class RegionChangedAdapterNotificationTests method testRemoveTrailingSpaceFromAttributeName.

public void testRemoveTrailingSpaceFromAttributeName() 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, 4, 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 10 with RegionChangedEvent

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

the class RegionChangedAdapterNotificationTests method testRemoveTrailingSpaceFromEqualSign.

public void testRemoveTrailingSpaceFromEqualSign() 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, 5, 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();
    }
}