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

Example 36 with IndexedRegion

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

the class CSSContentAssistProcessor method computeCompletionProposals.

/**
 * Return a list of proposed code completions based on the specified
 * location within the document that corresponds to the current cursor
 * position within the text-editor control.
 *
 * @param documentPosition
 *            a location within the document
 * @return an array of code-assist items
 */
public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentPosition) {
    IndexedRegion indexedNode = ContentAssistUtils.getNodeAt(viewer, documentPosition + fDocumentOffset);
    IDOMNode xNode = null;
    IDOMNode parent = null;
    CSSProposalArranger arranger = null;
    boolean isEmptyDocument = false;
    // If there is a selected region, we'll need to replace the text
    ITextSelection selection = (ITextSelection) viewer.getSelectionProvider().getSelection();
    boolean selected = (selection != null && selection.getText() != null && selection.getText().trim().length() > 0);
    // if(indexedNode == null) return new ICompletionProposal[0];
    if (indexedNode instanceof IDOMNode) {
        xNode = (IDOMNode) indexedNode;
        parent = (IDOMNode) xNode.getParentNode();
    }
    // case
    if ((xNode != null) && xNode.getNodeName().equalsIgnoreCase(HTML40Namespace.ElementName.STYLE)) {
        // now we know the cursor is in a <style> tag w/out region
        IStructuredModel cssModel = getCSSModel(xNode);
        if (cssModel != null) {
            // adjust offsets for embedded style
            int offset = documentPosition + fDocumentOffset;
            int pos = 0;
            IndexedRegion keyIndexedNode = cssModel.getIndexedRegion(pos);
            if (keyIndexedNode == null) {
                keyIndexedNode = (IndexedRegion) ((ICSSModel) cssModel).getDocument();
            }
            arranger = new CSSProposalArranger(pos, (ICSSNode) keyIndexedNode, offset, (char) 0, selected);
        }
    } else if ((parent != null) && parent.getNodeName().equalsIgnoreCase(HTML40Namespace.ElementName.STYLE)) {
        // now we know the cursor is in a <style> tag with a region
        // use the parent because that will be the <style> tag
        IStructuredModel cssModel = getCSSModel(parent);
        if (cssModel != null) {
            // adjust offsets for embedded style
            int offset = indexedNode.getStartOffset();
            int pos = documentPosition - offset;
            IndexedRegion keyIndexedNode = cssModel.getIndexedRegion(pos);
            if (keyIndexedNode == null) {
                keyIndexedNode = (IndexedRegion) ((ICSSModel) cssModel).getDocument();
            }
            arranger = new CSSProposalArranger(pos, (ICSSNode) keyIndexedNode, offset, (char) 0, selected);
        }
    } else if (indexedNode instanceof IDOMNode) {
        // get model for node w/ style attribute
        IStructuredModel cssModel = getCSSModel((IDOMNode) indexedNode);
        if (cssModel != null) {
            IndexedRegion keyIndexedNode = cssModel.getIndexedRegion(documentPosition - fDocumentOffset);
            if (keyIndexedNode == null) {
                keyIndexedNode = (IndexedRegion) ((ICSSModel) cssModel).getDocument();
            }
            if (keyIndexedNode instanceof ICSSNode) {
                // inline style for a tag, not embedded
                arranger = new CSSProposalArranger(documentPosition, (ICSSNode) keyIndexedNode, fDocumentOffset, fQuote, selected);
            }
        }
    } else if (indexedNode instanceof ICSSNode) {
        // when editing external CSS using CSS Designer, ICSSNode is
        // passed.
        ICSSDocument cssdoc = ((ICSSNode) indexedNode).getOwnerDocument();
        if (cssdoc != null) {
            IStructuredModel cssModel = cssdoc.getModel();
            if (cssModel != null) {
                IndexedRegion keyIndexedNode = cssModel.getIndexedRegion(documentPosition - fDocumentOffset);
                if (keyIndexedNode == null) {
                    keyIndexedNode = (IndexedRegion) ((ICSSModel) cssModel).getDocument();
                }
                if (keyIndexedNode instanceof ICSSNode) {
                    // inline style for a tag, not embedded
                    arranger = new CSSProposalArranger(documentPosition, (ICSSNode) keyIndexedNode, fDocumentOffset, fQuote, selected);
                }
            }
        }
    } else if ((indexedNode == null) && isViewerEmpty(viewer)) {
        isEmptyDocument = true;
        // the top of empty CSS Document
        IStructuredModel cssModel = null;
        try {
            cssModel = StructuredModelManager.getModelManager().getExistingModelForRead(viewer.getDocument());
            if (cssModel instanceof ICSSModel) {
                IndexedRegion keyIndexedNode = cssModel.getIndexedRegion(documentPosition - fDocumentOffset);
                if (keyIndexedNode == null) {
                    keyIndexedNode = (IndexedRegion) ((ICSSModel) cssModel).getDocument();
                }
                if (keyIndexedNode instanceof ICSSNode) {
                    // inline style for a tag, not embedded
                    arranger = new CSSProposalArranger(documentPosition, (ICSSNode) keyIndexedNode, fDocumentOffset, fQuote);
                }
            }
        } finally {
            if (cssModel != null)
                cssModel.releaseFromRead();
        }
    }
    ICompletionProposal[] proposals = new ICompletionProposal[0];
    if (arranger != null) {
        fDocumentOffset = 0;
        proposals = arranger.getProposals();
        ICompletionProposal[] newfileproposals = new ICompletionProposal[0];
        ICompletionProposal[] anyproposals = new ICompletionProposal[0];
        // add template proposals
        if (getTemplateCompletionProcessor() != null) {
            if (isEmptyDocument) {
                getTemplateCompletionProcessor().setContextType(TemplateContextTypeIdsCSS.NEW);
                newfileproposals = getTemplateCompletionProcessor().computeCompletionProposals(viewer, documentPosition);
            }
            getTemplateCompletionProcessor().setContextType(TemplateContextTypeIdsCSS.ALL);
            anyproposals = getTemplateCompletionProcessor().computeCompletionProposals(viewer, documentPosition);
        }
        // add end tag if parent is not closed
        ICompletionProposal endTag = XMLContentAssistUtilities.computeXMLEndTagProposal(viewer, documentPosition, indexedNode, HTML40Namespace.ElementName.STYLE, SharedXMLEditorPluginImageHelper.IMG_OBJ_TAG_GENERIC);
        // add the additional proposals
        int additionalLength = newfileproposals.length + anyproposals.length;
        additionalLength = (endTag != null) ? ++additionalLength : additionalLength;
        if (additionalLength > 0) {
            ICompletionProposal[] plusOnes = new ICompletionProposal[proposals.length + additionalLength];
            int appendPos = proposals.length;
            // add end tag proposal
            if (endTag != null) {
                System.arraycopy(proposals, 0, plusOnes, 1, proposals.length);
                plusOnes[0] = endTag;
                ++appendPos;
            } else {
                System.arraycopy(proposals, 0, plusOnes, 0, proposals.length);
            }
            // add items in newfileproposals
            for (int i = 0; i < newfileproposals.length; ++i) {
                plusOnes[appendPos + i] = newfileproposals[i];
            }
            // add items in anyproposals
            appendPos = appendPos + newfileproposals.length;
            for (int i = 0; i < anyproposals.length; ++i) {
                plusOnes[appendPos + i] = anyproposals[i];
            }
            proposals = plusOnes;
        }
    }
    return proposals;
}

Example 37 with IndexedRegion

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

the class StructuredSelectNextHandler method getCursorIndexedRegion.

protected IndexedRegion getCursorIndexedRegion(IDocument document, ITextSelection textSelection) {
    int offset = textSelection.getOffset() + textSelection.getLength() - 1;
    if (offset < 0)
        offset = 0;
    IndexedRegion indexedRegion = null;
    indexedRegion = getIndexedRegion(document, offset);
    return indexedRegion;
}

Example 38 with IndexedRegion

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

the class CSSContentAssistContext method isTargetPosAfterOf.

/**
 */
boolean isTargetPosAfterOf(String regionType) {
    int start = ((IndexedRegion) fTargetNode).getStartOffset();
    if (start < 0 || ((IndexedRegion) fTargetNode).getEndOffset() <= 0) {
        return false;
    }
    RegionIterator iRegion = new RegionIterator(fStructuredDocument, start);
    while (iRegion.hasNext()) {
        ITextRegion region = iRegion.next();
        if (fTargetPos < iRegion.getStructuredDocumentRegion().getTextEndOffset(region)) {
            break;
        }
        if (region.getType() == regionType) {
            return true;
        }
    }
    return false;
}

Example 39 with IndexedRegion

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

the class CSSContentAssistContext method targetHas.

/**
 */
boolean targetHas(String regionType) {
    int end = ((IndexedRegion) fTargetNode).getEndOffset();
    if (getTargetPos() < 0 || end <= 0) {
        return false;
    }
    RegionIterator iRegion = new RegionIterator(fStructuredDocument, getTargetPos());
    while (iRegion.hasNext()) {
        ITextRegion region = iRegion.next();
        if (end <= iRegion.getStructuredDocumentRegion().getStartOffset(region)) {
            break;
        }
        if (region.getType() == regionType) {
            return true;
        }
    }
    return false;
}

Example 40 with IndexedRegion

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

the class StructuredSelectPreviousCSSActionDelegate method getCursorIndexedRegion.

protected IndexedRegion getCursorIndexedRegion(IDocument document, ITextSelection textSelection) {
    IndexedRegion indexedRegion = null;
    indexedRegion = getIndexedRegion(document, textSelection.getOffset());
    return indexedRegion;
}