Examples with DocumentRewriteSessionType org.eclipse.jface.text.DocumentRewriteSessionType used on opensource projects

Example 1 with DocumentRewriteSessionType

use of org.eclipse.jface.text.DocumentRewriteSessionType in project webtools.sourceediting by eclipse.

the class StructuredTextViewer method doOperation.

/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.text.ITextOperationTarget#doOperation(int)
	 */
public void doOperation(int operation) {
    Point selection = getTextWidget().getSelection();
    int cursorPosition = selection.x;
    int selectionLength = selection.y - selection.x;
    switch(operation) {
        case CUT:
            beginRecording(TEXT_CUT, TEXT_CUT, cursorPosition, selectionLength);
            super.doOperation(operation);
            selection = getTextWidget().getSelection();
            cursorPosition = selection.x;
            selectionLength = selection.y - selection.x;
            endRecording(cursorPosition, selectionLength);
            break;
        case PASTE:
            beginRecording(TEXT_PASTE, TEXT_PASTE, cursorPosition, selectionLength);
            super.doOperation(operation);
            selection = getTextWidget().getSelection();
            cursorPosition = selection.x;
            selectionLength = selection.y - selection.x;
            endRecording(cursorPosition, selectionLength);
            break;
        case CONTENTASSIST_PROPOSALS:
            // maybe not configured?
            if (fContentAssistant != null && isEditable()) {
                // position
                if (canDoOperation(CONTENTASSIST_PROPOSALS)) {
                    String err = fContentAssistant.showPossibleCompletions();
                    if (err != null) {
                        // don't wanna beep if there is no error
                        PlatformStatusLineUtil.displayTemporaryErrorMessage(this, err);
                    }
                } else
                    beep();
            }
            break;
        case CONTENTASSIST_CONTEXT_INFORMATION:
            if (fContentAssistant != null) {
                String err = fContentAssistant.showContextInformation();
                if (err != null) {
                    // don't wanna beep if there is no error
                    PlatformStatusLineUtil.displayTemporaryErrorMessage(this, err);
                }
            }
            break;
        case SHIFT_RIGHT:
            beginRecording(TEXT_SHIFT_RIGHT, TEXT_SHIFT_RIGHT, cursorPosition, selectionLength);
            updateIndentationPrefixes();
            doModelOperation(SHIFT_RIGHT);
            selection = getTextWidget().getSelection();
            cursorPosition = selection.x;
            selectionLength = selection.y - selection.x;
            endRecording(cursorPosition, selectionLength);
            break;
        case SHIFT_LEFT:
            beginRecording(TEXT_SHIFT_LEFT, TEXT_SHIFT_LEFT, cursorPosition, selectionLength);
            updateIndentationPrefixes();
            doModelOperation(SHIFT_LEFT);
            selection = getTextWidget().getSelection();
            cursorPosition = selection.x;
            selectionLength = selection.y - selection.x;
            endRecording(cursorPosition, selectionLength);
            break;
        case FORMAT_DOCUMENT:
            DocumentRewriteSession rewriteSession = null;
            IDocument document = getDocument();
            try {
                /*
					 * This command will actually format selection if text is
					 * selected, otherwise format entire document
					 */
                // begin recording
                beginRecording(FORMAT_DOCUMENT_TEXT, FORMAT_DOCUMENT_TEXT, cursorPosition, selectionLength);
                boolean formatDocument = false;
                IRegion region = null;
                Point s = getSelectedRange();
                if (s.y > 0) {
                    // only format currently selected text
                    region = new Region(s.x, s.y);
                } else {
                    // no selection, so format entire document
                    region = getModelCoverage();
                    formatDocument = true;
                }
                if (document instanceof IDocumentExtension4) {
                    IDocumentExtension4 extension = (IDocumentExtension4) document;
                    DocumentRewriteSessionType type = (selection.y == 0 || selection.y > MAX_SMALL_FORMAT_LENGTH) ? DocumentRewriteSessionType.UNRESTRICTED : DocumentRewriteSessionType.UNRESTRICTED_SMALL;
                    rewriteSession = (extension.getActiveRewriteSession() != null) ? null : extension.startRewriteSession(type);
                } else {
                    setRedraw(false);
                }
                if (fContentFormatter instanceof IContentFormatterExtension) {
                    IContentFormatterExtension extension = (IContentFormatterExtension) fContentFormatter;
                    IFormattingContext context = new FormattingContext();
                    context.setProperty(FormattingContextProperties.CONTEXT_DOCUMENT, Boolean.valueOf(formatDocument));
                    context.setProperty(FormattingContextProperties.CONTEXT_REGION, region);
                    extension.format(document, context);
                } else {
                    fContentFormatter.format(document, region);
                }
            } finally {
                try {
                    if (rewriteSession != null) {
                        IDocumentExtension4 extension = (IDocumentExtension4) document;
                        extension.stopRewriteSession(rewriteSession);
                    } else {
                        setRedraw(true);
                    }
                } finally {
                    // end recording
                    selection = getTextWidget().getSelection();
                    cursorPosition = selection.x;
                    selectionLength = selection.y - selection.x;
                    endRecording(cursorPosition, selectionLength);
                }
            }
            break;
        case FORMAT_ACTIVE_ELEMENTS:
            rewriteSession = null;
            document = getDocument();
            try {
                /*
					 * This command will format the node at cursor position
					 * (and all its children)
					 */
                // begin recording
                beginRecording(FORMAT_ACTIVE_ELEMENTS_TEXT, FORMAT_ACTIVE_ELEMENTS_TEXT, cursorPosition, selectionLength);
                IRegion region = null;
                Point s = getSelectedRange();
                if (s.y > -1) {
                    // only format node at cursor position
                    region = new Region(s.x, s.y);
                }
                if (document instanceof IDocumentExtension4) {
                    IDocumentExtension4 extension = (IDocumentExtension4) document;
                    DocumentRewriteSessionType type = (selection.y == 0 || selection.y > MAX_SMALL_FORMAT_LENGTH) ? DocumentRewriteSessionType.UNRESTRICTED : DocumentRewriteSessionType.UNRESTRICTED_SMALL;
                    rewriteSession = (extension.getActiveRewriteSession() != null) ? null : extension.startRewriteSession(type);
                } else {
                    setRedraw(false);
                }
                if (fContentFormatter instanceof IContentFormatterExtension) {
                    IContentFormatterExtension extension = (IContentFormatterExtension) fContentFormatter;
                    IFormattingContext context = new FormattingContext();
                    context.setProperty(FormattingContextProperties.CONTEXT_DOCUMENT, Boolean.FALSE);
                    context.setProperty(FormattingContextProperties.CONTEXT_REGION, region);
                    extension.format(getDocument(), context);
                } else {
                    fContentFormatter.format(getDocument(), region);
                }
            } finally {
                try {
                    if (rewriteSession != null) {
                        IDocumentExtension4 extension = (IDocumentExtension4) document;
                        extension.stopRewriteSession(rewriteSession);
                    } else {
                        setRedraw(true);
                    }
                } finally {
                    // end recording
                    selection = getTextWidget().getSelection();
                    cursorPosition = selection.x;
                    selectionLength = selection.y - selection.x;
                    endRecording(cursorPosition, selectionLength);
                }
            }
            break;
        default:
            super.doOperation(operation);
    }
}

Example 2 with DocumentRewriteSessionType

use of org.eclipse.jface.text.DocumentRewriteSessionType in project webtools.sourceediting by eclipse.

the class AbstractStructuredFormatProcessor method formatModel.

public void formatModel(IStructuredModel structuredModel, int start, int length) {
    if (structuredModel != null) {
        // for debugging purposes
        long startTime = System.currentTimeMillis();
        IDocumentExtension4 docExt4 = null;
        if (structuredModel.getStructuredDocument() instanceof IDocumentExtension4) {
            docExt4 = (IDocumentExtension4) structuredModel.getStructuredDocument();
        }
        DocumentRewriteSession rewriteSession = null;
        try {
            // whenever formatting model, fire abouttochange/modelchanged
            structuredModel.aboutToChangeModel();
            DocumentRewriteSessionType rewriteType = (length > MAX_SMALL_FORMAT_SIZE) ? DocumentRewriteSessionType.UNRESTRICTED : DocumentRewriteSessionType.UNRESTRICTED_SMALL;
            rewriteSession = (docExt4 == null || docExt4.getActiveRewriteSession() != null) ? null : docExt4.startRewriteSession(rewriteType);
            if ((start == 0) && (length == structuredModel.getStructuredDocument().getLength()))
                setFormatWithSiblingIndent(structuredModel, false);
            else
                setFormatWithSiblingIndent(structuredModel, true);
            if ((start >= 0) && (length >= 0) && (start + length <= structuredModel.getStructuredDocument().getLength())) {
                List activeNodes = getAllActiveNodes(structuredModel, start, length);
                if (activeNodes.size() > 0) {
                    Node firstNode = (Node) activeNodes.get(0);
                    Node lastNode = (Node) activeNodes.get(activeNodes.size() - 1);
                    boolean done = false;
                    Node eachNode = firstNode;
                    Node nextNode = null;
                    while (!done) {
                        // update "done"
                        done = (eachNode == lastNode);
                        /*
							 * get next sibling before format because eachNode
							 * may be deleted, for example when it's an empty
							 * text node
							 */
                        nextNode = eachNode.getNextSibling();
                        // format each node
                        formatNode(eachNode);
                        // update each node
                        if ((nextNode != null) && (nextNode.getParentNode() == null))
                            // nextNode is deleted during format
                            eachNode = eachNode.getNextSibling();
                        else
                            eachNode = nextNode;
                        // We don't want an infinite loop here.
                        if (eachNode == null)
                            done = true;
                    }
                }
            }
        } finally {
            // we need two finally's, just in case first fails
            try {
                if ((docExt4 != null) && (rewriteSession != null))
                    docExt4.stopRewriteSession(rewriteSession);
            } finally {
                // always make sure to fire changedmodel when done
                structuredModel.changedModel();
            }
        }
        if (Logger.DEBUG_FORMAT) {
            long endTime = System.currentTimeMillis();
            // $NON-NLS-1$
            System.out.println("formatModel time: " + (endTime - startTime));
        }
    }
}

Example 3 with DocumentRewriteSessionType

use of org.eclipse.jface.text.DocumentRewriteSessionType in project webtools.sourceediting by eclipse.

the class FormatProcessorCSS method formatModel.

public void formatModel(IStructuredModel structuredModel, int start, int length) {
    CSSFormatUtil formatUtil = CSSFormatUtil.getInstance();
    if (structuredModel instanceof ICSSModel) {
        // BUG102822 take advantage of IDocumentExtension4
        IDocumentExtension4 docExt4 = null;
        if (structuredModel.getStructuredDocument() instanceof IDocumentExtension4) {
            docExt4 = (IDocumentExtension4) structuredModel.getStructuredDocument();
        }
        DocumentRewriteSession rewriteSession = null;
        try {
            DocumentRewriteSessionType rewriteType = (length > MAX_SMALL_FORMAT_SIZE) ? DocumentRewriteSessionType.UNRESTRICTED : DocumentRewriteSessionType.UNRESTRICTED_SMALL;
            rewriteSession = (docExt4 == null || docExt4.getActiveRewriteSession() != null) ? null : docExt4.startRewriteSession(rewriteType);
            ICSSDocument doc = ((ICSSModel) structuredModel).getDocument();
            IStructuredDocumentRegion startRegion = structuredModel.getStructuredDocument().getRegionAtCharacterOffset(start);
            IStructuredDocumentRegion endRegion = structuredModel.getStructuredDocument().getRegionAtCharacterOffset(start + length);
            if (startRegion != null && endRegion != null) {
                start = startRegion.getStart();
                CSSSourceFormatter formatter = CSSSourceFormatterFactory.getInstance().getSourceFormatter((INodeNotifier) doc);
                StringBuffer buf = formatter.format(doc, new Region(start, (endRegion.getEnd() - start)));
                if (buf != null) {
                    formatUtil.replaceSource(doc.getModel(), start, endRegion.getEnd() - start, buf.toString());
                }
            }
        } finally {
            // BUG102822 take advantage of IDocumentExtension4
            if (docExt4 != null && rewriteSession != null)
                docExt4.stopRewriteSession(rewriteSession);
        }
    } else if (structuredModel instanceof IDOMModel) {
        List cssnodes = formatUtil.collectCSSNodes(structuredModel, start, length);
        if (cssnodes != null && !cssnodes.isEmpty()) {
            ICSSModel model = null;
            // BUG102822 take advantage of IDocumentExtension4
            IDocumentExtension4 docExt4 = null;
            if (structuredModel.getStructuredDocument() instanceof IDocumentExtension4) {
                docExt4 = (IDocumentExtension4) structuredModel.getStructuredDocument();
            }
            DocumentRewriteSession rewriteSession = null;
            try {
                DocumentRewriteSessionType rewriteType = (length > MAX_SMALL_FORMAT_SIZE) ? DocumentRewriteSessionType.UNRESTRICTED : DocumentRewriteSessionType.UNRESTRICTED_SMALL;
                rewriteSession = (docExt4 == null || docExt4.getActiveRewriteSession() != null) ? null : docExt4.startRewriteSession(rewriteType);
                for (int i = 0; i < cssnodes.size(); i++) {
                    ICSSNode node = (ICSSNode) cssnodes.get(i);
                    CSSSourceFormatter formatter = CSSSourceFormatterFactory.getInstance().getSourceFormatter((INodeNotifier) node);
                    StringBuffer buf = formatter.format(node);
                    if (buf != null) {
                        int startOffset = ((IndexedRegion) node).getStartOffset();
                        int endOffset = ((IndexedRegion) node).getEndOffset();
                        if (model == null) {
                            model = node.getOwnerDocument().getModel();
                        }
                        formatUtil.replaceSource(model, startOffset, endOffset - startOffset, buf.toString());
                    }
                }
            } finally {
                // BUG102822 take advantage of IDocumentExtension4
                if (docExt4 != null && rewriteSession != null)
                    docExt4.stopRewriteSession(rewriteSession);
            }
        }
    }
}

Example 4 with DocumentRewriteSessionType

use of org.eclipse.jface.text.DocumentRewriteSessionType in project webtools.sourceediting by eclipse.

the class BasicStructuredDocument method internalStopRewriteSession.

/**
 * NOT-API. Final protected so clients may call this method if needed, but
 * cannot override.
 *
 * @param session
 */
protected final void internalStopRewriteSession(DocumentRewriteSession session) {
    if (fActiveRewriteSession == session) {
        DocumentRewriteSessionType sessionType = session.getSessionType();
        if (DocumentRewriteSessionType.SEQUENTIAL == sessionType || DocumentRewriteSessionType.STRICTLY_SEQUENTIAL == sessionType)
            stopSequentialRewrite();
        stopRewriteSessionOnPartitioners(session);
        ILineTracker tracker = getTracker();
        if (tracker instanceof ILineTrackerExtension) {
            ILineTrackerExtension extension = (ILineTrackerExtension) tracker;
            extension.stopRewriteSession(session, get());
        }
        fActiveRewriteSession = null;
        DocumentRewriteSessionEvent event = new DocumentRewriteSessionEvent(this, session, DocumentRewriteSessionEvent.SESSION_STOP);
        fireDocumentRewriteSessionEvent(event);
    }
}

Example 5 with DocumentRewriteSessionType

use of org.eclipse.jface.text.DocumentRewriteSessionType in project webtools.sourceediting by eclipse.

the class JobSafeStructuredDocument method startRewriteSession.

public DocumentRewriteSession startRewriteSession(DocumentRewriteSessionType sessionType) throws IllegalStateException {
    DocumentRewriteSession session = null;
    IExecutionDelegate executionDelegate = getExecutionDelegate();
    if (executionDelegate == null) {
        session = internalStartRewriteSession(sessionType);
    } else {
        final Object[] resultSlot = new Object[1];
        final DocumentRewriteSessionType finalSessionType = sessionType;
        JobSafeRunnable runnable = new JobSafeRunnable() {

            public void run() throws Exception {
                resultSlot[0] = internalStartRewriteSession(finalSessionType);
            }
        };
        executionDelegate.execute(runnable);
        if (resultSlot[0] instanceof Throwable) {
            throw new RuntimeException((Throwable) resultSlot[0]);
        } else {
            session = (DocumentRewriteSession) resultSlot[0];
        }
    }
    return session;
}