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

Example 21 with RegionChangedEvent

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

the class ForeignRegion method updateRegion.

public StructuredDocumentEvent updateRegion(Object requester, IStructuredDocumentRegion flatnode, String changes, int requestStart, int lengthToReplace) {
    org.eclipse.wst.sse.core.internal.provisional.events.RegionChangedEvent result = null;
    int lengthDifference = org.eclipse.wst.sse.core.internal.util.Utilities.calculateLengthDifference(changes, lengthToReplace);
    fLength += lengthDifference;
    fTextLength += lengthDifference;
    result = new RegionChangedEvent(flatnode.getParentDocument(), requester, flatnode, this, changes, requestStart, lengthToReplace);
    return result;
}

Example 22 with RegionChangedEvent

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

the class BasicStructuredDocumentRegion method updateRegion.

public StructuredDocumentEvent updateRegion(Object requester, IStructuredDocumentRegion structuredDocumentRegion, String changes, int requestStart, int lengthToReplace) {
    StructuredDocumentEvent result = null;
    int lengthDifference = Utilities.calculateLengthDifference(changes, lengthToReplace);
    // Get the region pointed to by the requestStart postion, and give
    // that region a chance to effect
    // the update.
    ITextRegion region = getRegionAtCharacterOffset(requestStart);
    // the
    if ((region == null) && (lengthToReplace == 0)) {
        region = _getRegions().get(_getRegions().size() - 1);
        // make sure the region is contiguous
        if (getEndOffset(region) == requestStart) {
            result = region.updateRegion(requester, this, changes, requestStart, lengthToReplace);
        }
    } else {
        if (region != null) {
            // we don't give the region a chance to update.
            if ((containsOffset(region, requestStart)) && (containsOffset(region, requestStart + lengthToReplace))) {
                result = region.updateRegion(requester, this, changes, requestStart, lengthToReplace);
            }
        }
    }
    // (i.e. more than one region, but no change to the node itself)
    if (result != null) {
        // That is, a region decided it could handle the change and
        // created
        // a region changed event.
        // $NON-NLS-1$
        Assert.isTrue(result instanceof RegionChangedEvent, "Program Error");
        updateDownStreamRegions(((RegionChangedEvent) result).getRegion(), lengthDifference);
        // PLUS, we need to update our own node end point (length)
        setLength(getLength() + lengthDifference);
    }
    return result;
}

Example 23 with RegionChangedEvent

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

the class RegionChangedAdapterNotificationTests method testAppendWhitespaceToAttributeValue.

public void testAppendWhitespaceToAttributeValue() 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, " ");
        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 24 with RegionChangedEvent

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

the class RegionChangedAdapterNotificationTests method testChangeTagName2.

public void testChangeTagName2() 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) document).addAdapter(adapter);
        Object[] originalRegions = structuredDocument.getFirstStructuredDocumentRegion().getRegions().toArray();
        StructuredDocumentEvent fmEvent = structuredDocument.replaceText(null, 2, 0, "d");
        assertTrue("Region instances changed", Arrays.equals(originalRegions, structuredDocument.getFirstStructuredDocumentRegion().getRegions().toArray()));
        assertTrue(fmEvent instanceof RegionChangedEvent);
        Node after = document.getFirstChild();
        assertNotSame("DOM Node not replaced", before, after);
        assertEquals("Structure Changed notification not sent to adapter " + changed[0] + " to parent " + structuredDocument.get(), INodeNotifier.STRUCTURE_CHANGED, changed[0]);
        assertEquals("unexpected document content", "<ad b= c></a>", structuredDocument.get());
    } finally {
        model.releaseFromEdit();
    }
}

Example 25 with RegionChangedEvent

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

the class RegionChangedAdapterNotificationTests method testChangeTagName1.

public void testChangeTagName1() 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) document).addAdapter(adapter);
        Object[] originalRegions = structuredDocument.getFirstStructuredDocumentRegion().getRegions().toArray();
        StructuredDocumentEvent fmEvent = structuredDocument.replaceText(null, 1, 0, "d");
        assertTrue("Region instances changed", Arrays.equals(originalRegions, structuredDocument.getFirstStructuredDocumentRegion().getRegions().toArray()));
        assertTrue(fmEvent instanceof RegionChangedEvent);
        Node after = document.getFirstChild();
        assertNotSame("DOM Node not replaced", before, after);
        assertEquals("Structure Changed notification not sent to adapter " + changed[0] + " to parent " + structuredDocument.get(), INodeNotifier.STRUCTURE_CHANGED, changed[0]);
        assertEquals("unexpected document content", "<da b= c></a>", structuredDocument.get());
    } finally {
        model.releaseFromEdit();
    }
}