Examples with ICSSNode org.eclipse.wst.css.core.internal.provisional.document.ICSSNode used on opensource projects

Example 21 with ICSSNode

use of org.eclipse.wst.css.core.internal.provisional.document.ICSSNode in project webtools.sourceediting by eclipse.

the class StructuredSelectNextCSSActionDelegate method getNewSelectionRegion.

protected Region getNewSelectionRegion(IndexedRegion indexedRegion, ITextSelection textSelection) {
    Region newRegion = null;
    if (indexedRegion instanceof ICSSNode) {
        ICSSNode cursorNode = (ICSSNode) indexedRegion;
        Region cursorNodeRegion = new Region(indexedRegion.getStartOffset(), indexedRegion.getEndOffset() - indexedRegion.getStartOffset());
        int currentOffset = textSelection.getOffset();
        int currentEndOffset = currentOffset + textSelection.getLength();
        if (cursorNodeRegion.getOffset() >= currentOffset && cursorNodeRegion.getOffset() <= currentEndOffset && cursorNodeRegion.getOffset() + cursorNodeRegion.getLength() >= currentOffset && cursorNodeRegion.getOffset() + cursorNodeRegion.getLength() <= currentEndOffset) {
            ICSSNode newNode = cursorNode.getNextSibling();
            if (newNode == null) {
                newNode = cursorNode.getParentNode();
                if (newNode instanceof IndexedRegion) {
                    IndexedRegion newIndexedRegion = (IndexedRegion) newNode;
                    newRegion = new Region(newIndexedRegion.getStartOffset(), newIndexedRegion.getEndOffset() - newIndexedRegion.getStartOffset());
                }
            } else {
                if (newNode instanceof IndexedRegion) {
                    IndexedRegion newIndexedRegion = (IndexedRegion) newNode;
                    newRegion = new Region(currentOffset, newIndexedRegion.getEndOffset() - currentOffset);
                }
            }
        } else
            newRegion = cursorNodeRegion;
    }
    return newRegion;
}

Example 22 with ICSSNode

use of org.eclipse.wst.css.core.internal.provisional.document.ICSSNode in project webtools.sourceediting by eclipse.

the class CSSCompletionProposalComputer method computeCompletionProposals.

/**
 * @see org.eclipse.wst.sse.ui.contentassist.ICompletionProposalComputer#computeCompletionProposals(org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext, org.eclipse.core.runtime.IProgressMonitor)
 */
public List computeCompletionProposals(CompletionProposalInvocationContext context, IProgressMonitor monitor) {
    ITextViewer viewer = context.getViewer();
    int documentPosition = context.getInvocationOffset();
    IndexedRegion indexedNode = ContentAssistUtils.getNodeAt(viewer, documentPosition);
    IDOMNode xNode = null;
    IDOMNode parent = null;
    CSSProposalArranger arranger = null;
    // If there is a selected region, we'll need to replace the text
    ITextSelection selection = (ITextSelection) viewer.getSelectionProvider().getSelection();
    // 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;
            int pos = 0;
            IndexedRegion keyIndexedNode = cssModel.getIndexedRegion(pos);
            if (keyIndexedNode == null) {
                keyIndexedNode = (IndexedRegion) ((ICSSModel) cssModel).getDocument();
            }
            arranger = new CSSProposalArranger(pos, (ICSSNode) keyIndexedNode, offset, selection.getLength(), (char) 0);
        }
    } 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, selection.getLength(), (char) 0);
        }
    } else if (indexedNode instanceof IDOMNode) {
        IDOMNode domNode = ((IDOMNode) indexedNode);
        // get model for node w/ style attribute
        IStructuredModel cssModel = getCSSModel(domNode);
        if (cssModel != null) {
            // adjust offsets for embedded style
            int textRegionStartOffset = getTextRegionStartOffset(domNode, documentPosition);
            int pos = documentPosition - textRegionStartOffset;
            char quote = (char) 0;
            try {
                quote = context.getDocument().get(textRegionStartOffset, 1).charAt(0);
            } catch (BadLocationException e) {
                Logger.logException("error getting quote character", e);
            }
            // get css indexed region
            IndexedRegion cssIndexedNode = cssModel.getIndexedRegion(pos);
            if (cssIndexedNode == null) {
                cssIndexedNode = (IndexedRegion) ((ICSSModel) cssModel).getDocument();
            }
            if (cssIndexedNode instanceof ICSSNode) {
                // inline style for a tag, not embedded
                arranger = new CSSProposalArranger(pos, (ICSSNode) cssIndexedNode, textRegionStartOffset, selection.getLength(), quote);
            }
        }
    } 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);
                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, 0, selection.getLength(), (char) 0);
                }
            }
        }
    } else if ((indexedNode == null) && ContentAssistUtils.isViewerEmpty(viewer)) {
        // 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);
                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, 0, (char) 0);
                }
            }
        } finally {
            if (cssModel != null)
                cssModel.releaseFromRead();
        }
    }
    ICompletionProposal[] proposals = new ICompletionProposal[0];
    if (arranger != null) {
        proposals = arranger.getProposals();
        ICompletionProposal[] newfileproposals = new ICompletionProposal[0];
        ICompletionProposal[] anyproposals = new ICompletionProposal[0];
        // 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 Arrays.asList(proposals);
}

Example 23 with ICSSNode

use of org.eclipse.wst.css.core.internal.provisional.document.ICSSNode 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 24 with ICSSNode

use of org.eclipse.wst.css.core.internal.provisional.document.ICSSNode in project webtools.sourceediting by eclipse.

the class CSSProposalGeneratorForPseudoSelector method getSelectorTags.

/**
 */
List getSelectorTags() {
    List tagList = new ArrayList();
    ICSSNode targetNode = fContext.getTargetNode();
    String rootType = (targetNode instanceof ICSSPageRule) ? CSSMMNode.TYPE_PAGE_RULE : CSSMMNode.TYPE_STYLE_RULE;
    CSSMMTypeCollector collector = new CSSMMTypeCollector();
    collector.collectNestedType(false);
    collector.apply(fContext.getMetaModel(), rootType);
    Iterator i;
    i = collector.getNodes();
    if (!i.hasNext()) {
        return tagList;
    }
    CSSMMNode node = (CSSMMNode) i.next();
    i = node.getChildNodes();
    while (i.hasNext()) {
        CSSMMNode child = (CSSMMNode) i.next();
        if (child.getType() == CSSMMNode.TYPE_SELECTOR) {
            String selType = ((CSSMMSelector) child).getSelectorType();
            if (selType == CSSMMSelector.TYPE_PSEUDO_CLASS || selType == CSSMMSelector.TYPE_PSEUDO_ELEMENT) {
                tagList.add(child);
            }
        }
    }
    return tagList;
}

Example 25 with ICSSNode

use of org.eclipse.wst.css.core.internal.provisional.document.ICSSNode in project webtools.sourceediting by eclipse.

the class CSSHyperlinkDetector method getNode.

private ICSSNode getNode(IDocument document, IRegion region) {
    if (!(document instanceof IStructuredDocument))
        return null;
    IStructuredModel model = null;
    ICSSNode node = null;
    try {
        model = StructuredModelManager.getModelManager().getModelForRead((IStructuredDocument) document);
        node = (ICSSNode) model.getIndexedRegion(region.getOffset());
    } finally {
        if (model != null) {
            model.releaseFromRead();
        }
    }
    return node;
}