Examples with IDOMNode org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode used on opensource projects

Example 81 with IDOMNode

use of org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode in project webtools.sourceediting by eclipse.

the class AbstractContentAssistProcessor method addTagNameProposals.

protected void addTagNameProposals(ContentAssistRequest contentAssistRequest, int childPosition) {
    List cmnodes = null;
    Node parent = contentAssistRequest.getParent();
    IDOMNode node = (IDOMNode) contentAssistRequest.getNode();
    String error = null;
    String matchString = contentAssistRequest.getMatchString();
    if (parent.getNodeType() == Node.ELEMENT_NODE) {
        // retrieve the list of children
        // validActions = getAvailableChildrenAtIndex((Element) parent,
        // childPosition);
        cmnodes = getAvailableChildElementDeclarations((Element) parent, childPosition, ModelQueryAction.INSERT);
        Iterator nodeIterator = cmnodes.iterator();
        // chop off any leading <'s and whitespace from the matchstring
        while ((matchString.length() > 0) && (Character.isWhitespace(matchString.charAt(0)) || beginsWith(matchString, "<"))) {
            // $NON-NLS-1$
            matchString = matchString.substring(1);
        }
        if (!nodeIterator.hasNext()) {
            error = NLS.bind(XMLUIMessages.__Has_no_known_child, (new Object[] { parent.getNodeName() }));
        }
        while (nodeIterator.hasNext()) {
            CMNode elementDecl = (CMNode) nodeIterator.next();
            if (elementDecl != null) {
                // only add proposals for the child element's that begin
                // with the matchstring
                String proposedText = null;
                int cursorAdjustment = 0;
                // names are in list
                if (((node != null) && (node.getAttributes() != null) && (node.getAttributes().getLength() > 0) && attributeInList(node, parent, elementDecl)) || ((node.getNodeType() != Node.TEXT_NODE) && node.getFirstStructuredDocumentRegion().isEnded())) {
                    proposedText = getRequiredName(parent, elementDecl);
                    cursorAdjustment = proposedText.length();
                } else {
                    proposedText = getRequiredName(parent, elementDecl);
                    cursorAdjustment = proposedText.length();
                    if (elementDecl instanceof CMElementDeclaration) {
                        CMElementDeclaration ed = (CMElementDeclaration) elementDecl;
                        // https://bugs.eclipse.org/bugs/show_bug.cgi?id=89811
                        StringBuffer sb = new StringBuffer();
                        getContentGenerator().generateTag(parent, ed, sb);
                        // since it's a name proposal, assume '<' is
                        // already there
                        // only return the rest of the tag
                        proposedText = sb.toString().substring(1);
                        cursorAdjustment = getCursorPositionForProposedText(proposedText);
                    // cursorAdjustment = proposedText.length() +
                    // 1;
                    // proposedText += "></" +
                    // getRequiredName(parent, elementDecl) + ">";
                    // //$NON-NLS-2$//$NON-NLS-1$
                    }
                }
                if (beginsWith(proposedText, matchString)) {
                    Image image = CMImageUtil.getImage(elementDecl);
                    if (image == null) {
                        image = XMLEditorPluginImageHelper.getInstance().getImage(XMLEditorPluginImages.IMG_OBJ_TAG_GENERIC);
                    }
                    String proposedInfo = getAdditionalInfo(getCMElementDeclaration(parent), elementDecl);
                    CustomCompletionProposal proposal = new CustomCompletionProposal(proposedText, contentAssistRequest.getReplacementBeginPosition(), contentAssistRequest.getReplacementLength(), cursorAdjustment, image, getRequiredName(parent, elementDecl), null, proposedInfo, XMLRelevanceConstants.R_TAG_NAME);
                    contentAssistRequest.addProposal(proposal);
                }
            }
        }
        if (contentAssistRequest.getProposals().size() == 0) {
            if (error != null) {
                setErrorMessage(error);
            } else if ((contentAssistRequest.getMatchString() != null) && (contentAssistRequest.getMatchString().length() > 0)) {
                setErrorMessage(NLS.bind(XMLUIMessages.No_known_child_tag_names, (new Object[] { parent.getNodeName(), contentAssistRequest.getMatchString() })));
            // $NON-NLS-1$ = "No known child tag names of <{0}> begin with \"{1}\""
            } else {
                setErrorMessage(NLS.bind(XMLUIMessages.__Has_no_known_child, (new Object[] { parent.getNodeName() })));
            }
        }
    } else if (parent.getNodeType() == Node.DOCUMENT_NODE) {
        List childElements = getAvailableRootChildren((Document) parent, childPosition);
        for (int i = 0; i < childElements.size(); i++) {
            CMNode ed = (CMNode) childElements.get(i);
            if (ed == null) {
                continue;
            }
            String proposedText = null;
            int cursorAdjustment = 0;
            if (ed instanceof CMElementDeclaration) {
                // proposedText = getRequiredName(parent, ed);
                StringBuffer sb = new StringBuffer();
                getContentGenerator().generateTag(parent, (CMElementDeclaration) ed, sb);
                // tag starts w/ '<', but we want to compare to name
                proposedText = sb.toString().substring(1);
                if (!beginsWith(proposedText, matchString)) {
                    continue;
                }
                cursorAdjustment = getCursorPositionForProposedText(proposedText);
                String proposedInfo = getAdditionalInfo(null, ed);
                Image image = CMImageUtil.getImage(ed);
                if (image == null) {
                    image = XMLEditorPluginImageHelper.getInstance().getImage(XMLEditorPluginImages.IMG_OBJ_TAG_GENERIC);
                }
                CustomCompletionProposal proposal = new CustomCompletionProposal(proposedText, contentAssistRequest.getReplacementBeginPosition(), contentAssistRequest.getReplacementLength(), cursorAdjustment, image, getRequiredName(parent, ed), null, proposedInfo, XMLRelevanceConstants.R_TAG_NAME);
                contentAssistRequest.addProposal(proposal);
            }
        }
    }
}

Example 82 with IDOMNode

use of org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode in project webtools.sourceediting by eclipse.

the class AbstractContentAssistProcessor method computeTagOpenProposals.

protected ContentAssistRequest computeTagOpenProposals(int documentPosition, String matchString, ITextRegion completionRegion, IDOMNode nodeAtOffset, IDOMNode node) {
    ContentAssistRequest contentAssistRequest = null;
    IStructuredDocumentRegion sdRegion = getStructuredDocumentRegion(documentPosition);
    if (sdRegion != nodeAtOffset.getFirstStructuredDocumentRegion() || sdRegion.getPrevious() != null && sdRegion.getPrevious().getLastRegion().getType() == DOMRegionContext.XML_TAG_OPEN) {
        // completing the *first* XML_TAG_OPEN in "<<tagname"
        IDOMNode actualNode = (IDOMNode) node.getModel().getIndexedRegion(sdRegion.getStartOffset(completionRegion));
        if (actualNode != null) {
            if (sdRegion.getFirstRegion().getType() == DOMRegionContext.XML_END_TAG_OPEN) {
                contentAssistRequest = newContentAssistRequest(actualNode, actualNode, sdRegion, completionRegion, documentPosition, 0, matchString);
                if (actualNode.hasChildNodes())
                    addTagNameProposals(contentAssistRequest, getElementPositionForModelQuery(actualNode.getLastChild()));
                else
                    addTagNameProposals(contentAssistRequest, 0);
            } else {
                contentAssistRequest = newContentAssistRequest(actualNode, actualNode.getParentNode(), sdRegion, completionRegion, documentPosition, 0, matchString);
                addTagNameProposals(contentAssistRequest, getElementPositionForModelQuery(actualNode));
            }
            // (pa) 220850
            addEndTagProposals(contentAssistRequest);
        }
    } else {
        if (documentPosition == sdRegion.getStartOffset(completionRegion)) {
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                // at the start of an existing tag, right before the '<'
                contentAssistRequest = newContentAssistRequest(nodeAtOffset, node.getParentNode(), sdRegion, completionRegion, documentPosition, 0, matchString);
                addTagInsertionProposals(contentAssistRequest, getElementPositionForModelQuery(nodeAtOffset));
                addEndTagProposals(contentAssistRequest);
            } else if (node.getNodeType() == Node.DOCUMENT_NODE) {
                // at the opening of the VERY first tag with a '<'
                contentAssistRequest = newContentAssistRequest(nodeAtOffset, node.getParentNode(), sdRegion, completionRegion, sdRegion.getStartOffset(completionRegion), completionRegion.getTextLength(), matchString);
                addStartDocumentProposals(contentAssistRequest);
            }
        } else {
            // within the white space
            ITextRegion name = getNameRegion(node.getStartStructuredDocumentRegion());
            // {
            if ((name != null) && ((sdRegion.getStartOffset(name) <= documentPosition) && (sdRegion.getEndOffset(name) >= documentPosition)) && (sdRegion.getLastRegion().getType() == DOMRegionContext.XML_TAG_CLOSE || sdRegion.getLastRegion().getType() == DOMRegionContext.XML_EMPTY_TAG_CLOSE)) {
                // replace the existing name
                contentAssistRequest = newContentAssistRequest(node, node.getParentNode(), sdRegion, completionRegion, sdRegion.getStartOffset(name), name.getTextLength(), matchString);
            } else {
                // insert a valid new name, or possibly an end tag
                contentAssistRequest = newContentAssistRequest(nodeAtOffset, ((Node) nodeAtOffset).getParentNode(), sdRegion, completionRegion, documentPosition, 0, matchString);
                addEndTagProposals(contentAssistRequest);
                contentAssistRequest.setReplacementBeginPosition(documentPosition);
                contentAssistRequest.setReplacementLength(0);
            }
            addTagNameProposals(contentAssistRequest, getElementPositionForModelQuery(nodeAtOffset));
        }
    }
    return contentAssistRequest;
}

Example 83 with IDOMNode

use of org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode in project webtools.sourceediting by eclipse.

the class AbstractContentAssistProcessor method addEndTagProposals.

/**
 * Prompt for end tags to a non-empty Node that hasn't ended Handles these
 * cases: <br>
 * <tagOpen>| <br>
 * <tagOpen>< |<br>
 * <tagOpen></ |
 *
 * @param contentAssistRequest
 */
protected void addEndTagProposals(ContentAssistRequest contentAssistRequest) {
    IDOMNode node = (IDOMNode) contentAssistRequest.getParent();
    if (isCommentNode(node)) {
        // loop and find non comment node parent
        while ((node != null) && isCommentNode(node)) {
            node = (IDOMNode) node.getParentNode();
        }
    }
    // node is already closed
    if (node.isClosed()) {
        // loop and find non comment unclose node parent
        while ((node != null) && node.isClosed()) {
            node = (IDOMNode) node.getParentNode();
        }
    }
    // there were no unclosed tags
    if (node == null) {
        return;
    }
    // data to create a CustomCompletionProposal
    // $NON-NLS-1$
    String replaceText = node.getNodeName() + ">";
    int replaceBegin = contentAssistRequest.getReplacementBeginPosition();
    int replaceLength = contentAssistRequest.getReplacementLength();
    int cursorOffset = node.getNodeName().length() + 1;
    // $NON-NLS-1$
    String displayString = "";
    // $NON-NLS-1$
    String proposedInfo = "";
    Image image = XMLEditorPluginImageHelper.getInstance().getImage(XMLEditorPluginImages.IMG_OBJ_TAG_GENERIC);
    setErrorMessage(null);
    boolean addProposal = false;
    if (node.getNodeType() == Node.ELEMENT_NODE) {
        // ////////////////////////////////////////////////////////////////////////////////////
        IStructuredDocument sDoc = (IStructuredDocument) fTextViewer.getDocument();
        IStructuredDocumentRegion xmlEndTagOpen = sDoc.getRegionAtCharacterOffset(contentAssistRequest.getReplacementBeginPosition());
        // skip backward to "<", "</", or the (unclosed) start tag, null
        // if not found
        // $NON-NLS-1$
        String type = "";
        while ((xmlEndTagOpen != null) && ((type = xmlEndTagOpen.getType()) != DOMRegionContext.XML_END_TAG_OPEN) && (type != DOMRegionContext.XML_TAG_CLOSE) && !needsEndTag(xmlEndTagOpen) && (type != DOMRegionContext.XML_TAG_OPEN)) {
            xmlEndTagOpen = xmlEndTagOpen.getPrevious();
        }
        if (xmlEndTagOpen == null) {
            return;
        }
        node = (IDOMNode) node.getModel().getIndexedRegion(xmlEndTagOpen.getStartOffset());
        node = (IDOMNode) node.getParentNode();
        if (isStartTag(xmlEndTagOpen)) {
            // |
            if (needsEndTag(xmlEndTagOpen)) {
                String tagName = getTagName(xmlEndTagOpen);
                xmlEndTagOpen.getTextEndOffset();
                replaceLength = 0;
                // $NON-NLS-1$ //$NON-NLS-2$ $NON-NLS-2$
                replaceText = "</" + tagName + ">";
                // replaceText = "</" + node.getNodeName() + ">";
                // //$NON-NLS-1$ $NON-NLS-2$
                cursorOffset = tagName.length() + 3;
                displayString = NLS.bind(XMLUIMessages.End_with__, (new Object[] { tagName }));
                addProposal = true;
            }
        } else if (type == DOMRegionContext.XML_END_TAG_OPEN) {
            // this is the case for: <tag> </ |
            // possibly <tag> </ |<anotherTag>
            // should only be replacing white space...
            replaceLength = (replaceBegin > xmlEndTagOpen.getTextEndOffset()) ? replaceBegin - xmlEndTagOpen.getTextEndOffset() : 0;
            // $NON-NLS-1$
            replaceText = node.getNodeName() + ">";
            cursorOffset = replaceText.length();
            replaceBegin = xmlEndTagOpen.getTextEndOffset();
            displayString = NLS.bind(XMLUIMessages.End_with_, (new Object[] { node.getNodeName() }));
            addProposal = true;
        } else if (type == DOMRegionContext.XML_TAG_OPEN) {
            // this is the case for: <tag> < |
            // $NON-NLS-1$ //$NON-NLS-2$ $NON-NLS-2$
            replaceText = "/" + node.getNodeName() + ">";
            cursorOffset = replaceText.length();
            // replaceText = "/" + node.getNodeName() + ">"; //$NON-NLS-1$
            // $NON-NLS-2$
            // should only be replacing white space...
            replaceLength = (replaceBegin > xmlEndTagOpen.getTextEndOffset()) ? replaceBegin - xmlEndTagOpen.getTextEndOffset() : 0;
            replaceBegin = xmlEndTagOpen.getTextEndOffset();
            // $NON-NLS-1$
            displayString = NLS.bind(XMLUIMessages.End_with_, (new Object[] { "/" + node.getNodeName() }));
            addProposal = true;
        }
    } else // getNodeValue() is null, put in a null check
    if ((node.getNodeValue() != null) && (node.getNodeValue().indexOf("</") != -1)) {
        // $NON-NLS-1$
        // the case where "</" is started, but the nodes comes in as a
        // text node (instead of element)
        // like this: <tag> </|
        Node parent = node.getParentNode();
        if ((parent != null) && (parent.getNodeType() != Node.DOCUMENT_NODE)) {
            // $NON-NLS-1$
            replaceText = parent.getNodeName() + ">";
            cursorOffset = replaceText.length();
            displayString = NLS.bind(XMLUIMessages.End_with__, (new Object[] { parent.getNodeName() }));
            setErrorMessage(null);
            addProposal = true;
        }
    } else // ////////////////////////////////////////////////////////////////////////////////////
    if (node.getNodeType() == Node.DOCUMENT_NODE) {
        setErrorMessage(UNKNOWN_CONTEXT);
    }
    if (addProposal == true) {
        CustomCompletionProposal proposal = new CustomCompletionProposal(replaceText, replaceBegin, replaceLength, cursorOffset, image, displayString, null, proposedInfo, XMLRelevanceConstants.R_END_TAG);
        contentAssistRequest.addProposal(proposal);
    }
}

Example 84 with IDOMNode

use of org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode in project webtools.sourceediting by eclipse.

the class RenameInFileQuickAssistProposal method apply.

/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#apply(org.eclipse.jface.text.ITextViewer,
	 *      char, int, int)
	 */
public void apply(ITextViewer viewer, char trigger, int stateMask, int offset) {
    IDocument document = viewer.getDocument();
    Point originalRange = viewer.getSelectedRange();
    LinkedPositionGroup group = new LinkedPositionGroup();
    try {
        IDOMNode node = (IDOMNode) ContentAssistUtils.getNodeAt(viewer, offset);
        IStructuredDocumentRegion startStructuredDocumentRegion = node.getStartStructuredDocumentRegion();
        ITextRegion region = (startStructuredDocumentRegion == null) ? null : startStructuredDocumentRegion.getRegionAtCharacterOffset(offset);
        if (region != null) {
            group.addPosition(new LinkedPosition(document, startStructuredDocumentRegion.getStartOffset() + region.getStart(), region.getTextLength(), 0));
            if ((region.getType() == DOMRegionContext.XML_TAG_NAME) && (node.getEndStructuredDocumentRegion() != null)) {
                region = node.getEndStructuredDocumentRegion().getRegions().get(1);
                if (region != null) {
                    group.addPosition(new LinkedPosition(document, node.getEndStructuredDocumentRegion().getStartOffset() + region.getStart(), region.getTextLength(), 1));
                }
            }
        } else {
            IStructuredDocumentRegion endStructuredDocumentRegion = node.getEndStructuredDocumentRegion();
            region = (endStructuredDocumentRegion == null) ? null : endStructuredDocumentRegion.getRegionAtCharacterOffset(offset);
            if (region != null) {
                if ((region.getType() == DOMRegionContext.XML_TAG_NAME) && (node.getStartStructuredDocumentRegion() != null)) {
                    ITextRegion startTagNameRegion = node.getStartStructuredDocumentRegion().getRegions().get(1);
                    if (region != null) {
                        group.addPosition(new LinkedPosition(document, node.getStartStructuredDocumentRegion().getStartOffset() + startTagNameRegion.getStart(), startTagNameRegion.getTextLength(), 0));
                        group.addPosition(new LinkedPosition(document, endStructuredDocumentRegion.getStartOffset() + region.getStart(), region.getTextLength(), 1));
                    }
                } else {
                    group.addPosition(new LinkedPosition(document, endStructuredDocumentRegion.getStartOffset() + region.getStart(), region.getTextLength(), 0));
                }
            }
        }
        // which disables redraw in ITextViewer. Workaround for now.
        if (viewer instanceof ITextViewerExtension)
            ((ITextViewerExtension) viewer).setRedraw(true);
        LinkedModeModel linkedModeModel = new LinkedModeModel();
        linkedModeModel.addGroup(group);
        linkedModeModel.forceInstall();
        LinkedModeUI ui = new EditorLinkedModeUI(linkedModeModel, viewer);
        ui.setExitPosition(viewer, offset, 0, LinkedPositionGroup.NO_STOP);
        ui.enter();
        /*
			 * Keep the cursor at the original offset and restore the original
			 * selection instead of the entire first matching region
			 */
        viewer.setSelectedRange(originalRange.x, originalRange.y);
        fSelectedRegion = ui.getSelectedRegion();
    } catch (BadLocationException e) {
        // log for now, unless find reason not to
        Logger.log(Logger.INFO, e.getMessage());
    }
}

Example 85 with IDOMNode

use of org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode in project webtools.sourceediting by eclipse.

the class XMLQuickAssistProcessor method getInsertRequiredAttrs.

private void getInsertRequiredAttrs(List proposals, ISourceViewer viewer, int offset) {
    IDOMNode node = (IDOMNode) getNodeAt(viewer, offset);
    if ((node != null) && (node.getNodeType() == Node.ELEMENT_NODE)) {
        IStructuredDocumentRegion startStructuredDocumentRegion = node.getStartStructuredDocumentRegion();
        if ((startStructuredDocumentRegion != null) && startStructuredDocumentRegion.containsOffset(offset)) {
            IDOMNode cursorNode = (IDOMNode) getNodeAt(viewer, offset);
            List requiredAttrs = getRequiredAttrs(cursorNode);
            if (requiredAttrs.size() > 0) {
                NamedNodeMap currentAttrs = node.getAttributes();
                List insertAttrs = new ArrayList();
                if (currentAttrs.getLength() == 0) {
                    insertAttrs.addAll(requiredAttrs);
                } else {
                    for (int i = 0; i < requiredAttrs.size(); i++) {
                        String requiredAttrName = ((CMAttributeDeclaration) requiredAttrs.get(i)).getAttrName();
                        boolean found = false;
                        for (int j = 0; j < currentAttrs.getLength(); j++) {
                            String currentAttrName = currentAttrs.item(j).getNodeName();
                            if (requiredAttrName.compareToIgnoreCase(currentAttrName) == 0) {
                                found = true;
                                break;
                            }
                        }
                        if (!found) {
                            insertAttrs.add(requiredAttrs.get(i));
                        }
                    }
                }
                if (insertAttrs.size() > 0) {
                    proposals.add(new InsertRequiredAttrsQuickAssistProposal(insertAttrs));
                }
            }
        }
    }
}