diff options
Diffstat (limited to 'bundles/org.eclipse.wst.html.ui/src/org/eclipse/wst/html/ui/internal/hyperlink/AnchorHyperlinkDetector.java')
| -rw-r--r-- | bundles/org.eclipse.wst.html.ui/src/org/eclipse/wst/html/ui/internal/hyperlink/AnchorHyperlinkDetector.java | 511 |
1 files changed, 0 insertions, 511 deletions
diff --git a/bundles/org.eclipse.wst.html.ui/src/org/eclipse/wst/html/ui/internal/hyperlink/AnchorHyperlinkDetector.java b/bundles/org.eclipse.wst.html.ui/src/org/eclipse/wst/html/ui/internal/hyperlink/AnchorHyperlinkDetector.java deleted file mode 100644 index 84e91e9c9a..0000000000 --- a/bundles/org.eclipse.wst.html.ui/src/org/eclipse/wst/html/ui/internal/hyperlink/AnchorHyperlinkDetector.java +++ /dev/null @@ -1,511 +0,0 @@ -/*******************************************************************************
- * Copyright (c) 2008 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-
-package org.eclipse.wst.html.ui.internal.hyperlink;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.NoSuchElementException;
-
-import org.eclipse.core.resources.IFile;
-import org.eclipse.core.resources.IMarker;
-import org.eclipse.core.resources.ResourcesPlugin;
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IPath;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.core.runtime.Path;
-import org.eclipse.core.runtime.Status;
-import org.eclipse.core.runtime.jobs.Job;
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.IRegion;
-import org.eclipse.jface.text.ITextViewer;
-import org.eclipse.jface.text.ITextViewerExtension5;
-import org.eclipse.jface.text.Region;
-import org.eclipse.jface.text.TextSelection;
-import org.eclipse.jface.text.hyperlink.AbstractHyperlinkDetector;
-import org.eclipse.jface.text.hyperlink.IHyperlink;
-import org.eclipse.osgi.util.NLS;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.ui.IEditorPart;
-import org.eclipse.ui.IWorkbenchPage;
-import org.eclipse.ui.PartInitException;
-import org.eclipse.ui.PlatformUI;
-import org.eclipse.ui.ide.IDE;
-import org.eclipse.ui.progress.UIJob;
-import org.eclipse.wst.html.core.internal.provisional.HTML40Namespace;
-import org.eclipse.wst.html.core.internal.validate.ModuleCoreSupport;
-import org.eclipse.wst.html.ui.internal.HTMLUIMessages;
-import org.eclipse.wst.html.ui.internal.HTMLUIPlugin;
-import org.eclipse.wst.html.ui.internal.Logger;
-import org.eclipse.wst.sse.core.StructuredModelManager;
-import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
-import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
-import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
-import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
-import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
-import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList;
-import org.eclipse.wst.sse.core.utils.StringUtils;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
-import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-import org.w3c.dom.NodeList;
-
-import com.ibm.icu.util.StringTokenizer;
-
-public class AnchorHyperlinkDetector extends AbstractHyperlinkDetector {
- static class ExternalElementHyperlink implements IHyperlink {
- private String fAnchorName = null;
- private Element fBaseElement = null;
- private Display fDisplay = null;
- private IRegion fHyperlinkRegion = null;
-
- /**
- * @param hyperlinkRegion
- * @param anchorName
- */
- public ExternalElementHyperlink(Display display, IRegion hyperlinkRegion, String anchorName, Element baseElement) {
- super();
- fDisplay = display;
- fHyperlinkRegion = hyperlinkRegion;
- fAnchorName = anchorName;
- fBaseElement = baseElement;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.eclipse.jface.text.hyperlink.IHyperlink#open()
- */
- IStatus _open() {
- if (fBaseElement instanceof IDOMNode) {
- StringTokenizer tokenizer = new StringTokenizer(fAnchorName, "#"); //$NON-NLS-1$
- String filename = null;
- String anchorName = null;
- if (tokenizer.hasMoreTokens()) {
- try {
- filename = tokenizer.nextToken();
- anchorName = tokenizer.nextToken();
- }
- catch (NoSuchElementException e) {
- // poorly formed value
- }
- }
- if (filename != null && anchorName != null) {
- // System.out.println(filename + ":" + anchorName + "-" +
- // fBaseElement);
-
- IPath basePath = new Path(((IDOMNode) fBaseElement).getModel().getBaseLocation());
- if (basePath.segmentCount() > 1) {
- IPath resolved = ModuleCoreSupport.resolve(basePath, filename);
- IFile targetFile = ResourcesPlugin.getWorkspace().getRoot().getFile(resolved);
- if (targetFile.isAccessible()) {
- IStructuredModel model = null;
- int start = -1;
- int end = -1;
- try {
- model = StructuredModelManager.getModelManager().getModelForRead(targetFile);
- if (model instanceof IDOMModel) {
- NodeList anchors = ((IDOMModel) model).getDocument().getElementsByTagNameNS("*", HTML40Namespace.ElementName.A); //$NON-NLS-1$
- for (int i = 0; i < anchors.getLength() && start < 0; i++) {
- Node item = anchors.item(i);
- Node nameNode = item.getAttributes().getNamedItem(HTML40Namespace.ATTR_NAME_NAME);
- if (nameNode == null)
- nameNode = item.getAttributes().getNamedItem(HTML40Namespace.ATTR_NAME_ID);
- if (nameNode != null) {
- String name = nameNode.getNodeValue();
- if (anchorName.equals(name) && nameNode instanceof IndexedRegion) {
- start = ((IndexedRegion) nameNode).getStartOffset();
- end = ((IndexedRegion) nameNode).getEndOffset();
- }
- }
- }
- anchors = ((IDOMModel) model).getDocument().getElementsByTagName(HTML40Namespace.ElementName.A);
- for (int i = 0; i < anchors.getLength() && start < 0; i++) {
- Node item = anchors.item(i);
- Node nameNode = item.getAttributes().getNamedItem(HTML40Namespace.ATTR_NAME_NAME);
- if (nameNode == null)
- nameNode = item.getAttributes().getNamedItem(HTML40Namespace.ATTR_NAME_ID);
- if (nameNode != null) {
- String name = nameNode.getNodeValue();
- if (anchorName.equals(name) && nameNode instanceof IndexedRegion) {
- start = ((IndexedRegion) nameNode).getStartOffset();
- end = ((IndexedRegion) nameNode).getEndOffset();
- }
- }
- }
-
- anchors = ((IDOMModel) model).getDocument().getElementsByTagName("*"); //$NON-NLS-1$
- for (int i = 0; i < anchors.getLength() && start < 0; i++) {
- Node item = anchors.item(i);
- Node nameNode = item.getAttributes().getNamedItem(HTML40Namespace.ATTR_NAME_NAME);
- if (nameNode == null)
- nameNode = item.getAttributes().getNamedItem(HTML40Namespace.ATTR_NAME_ID);
- if (nameNode != null) {
- String name = nameNode.getNodeValue();
- if (anchorName.equals(name) && nameNode instanceof IndexedRegion) {
- start = ((IndexedRegion) nameNode).getStartOffset();
- end = ((IndexedRegion) nameNode).getEndOffset();
- }
- }
- }
-
- }
- return open(basePath.toString(), targetFile, start, end);
- }
- catch (Exception e) {
- Logger.logException(e);
- return new Status(IStatus.ERROR, HTMLUIPlugin.ID, e.getMessage());
-
- }
- finally {
- if (model != null)
- model.releaseFromRead();
- }
- }
- }
- }
- }
- return Status.OK_STATUS;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see
- * org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkRegion()
- */
- public IRegion getHyperlinkRegion() {
- return fHyperlinkRegion;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkText()
- */
- public String getHyperlinkText() {
- return null;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.eclipse.jface.text.hyperlink.IHyperlink#getTypeLabel()
- */
- public String getTypeLabel() {
- return null;
- }
-
- public void open() {
- scheduleOpen();
- }
-
- /**
- * @param targetFile
- * @param start
- * @param end
- */
- private IStatus open(String base, IFile targetFile, int start, int end) throws CoreException, PartInitException {
- IMarker temporaryMarker = null;
- try {
- IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
-
- IEditorPart editor = IDE.openEditor(page, targetFile);
-
- if (0 <= start && start <= end) {
- temporaryMarker = targetFile.createMarker(IMarker.BOOKMARK);
- temporaryMarker.setAttribute(IMarker.MESSAGE, base);
- temporaryMarker.setAttribute(IMarker.CHAR_START, start);
- temporaryMarker.setAttribute(IMarker.CHAR_END, end);
- IDE.gotoMarker(editor, temporaryMarker);
- }
- return Status.OK_STATUS;
- }
- finally {
- if (temporaryMarker != null)
- try {
- temporaryMarker.delete();
- }
- catch (CoreException e) {
- Logger.logException(e);
- }
- }
- }
-
- void scheduleOpen() {
- Job opener = new UIJob(fDisplay, fAnchorName) {
- public IStatus runInUIThread(IProgressMonitor monitor) {
- return _open();
- }
-
- };
- opener.setSystem(true);
- opener.setUser(false);
- opener.schedule();
- }
- }
-
- /**
- * Links to the given target node within the text viewer. The target node
- * is expected to implement IndexedNode and appear in that text viewer
- * (i.e. same editor).
- *
- */
- static class InternalElementHyperlink implements IHyperlink {
- private IRegion fHyperlinkRegion;
- private Node fTarget = null;
- private ITextViewer fViewer = null;
-
- /**
- *
- */
- public InternalElementHyperlink(ITextViewer textViewer, IRegion hyperlinkRegion, Node targetNode) {
- fHyperlinkRegion = hyperlinkRegion;
- fTarget = targetNode;
- fViewer = textViewer;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see
- * org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkRegion()
- */
- public IRegion getHyperlinkRegion() {
- return fHyperlinkRegion;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkText()
- */
- public String getHyperlinkText() {
- if (fTarget instanceof IndexedRegion) {
- try {
- int line = fViewer.getDocument().getLineOfOffset(((IndexedRegion) fTarget).getStartOffset()) + 1;
- return NLS.bind(HTMLUIMessages.Hyperlink_line, new String[]{fTarget.getNodeName(), fTarget.getNodeValue(), String.valueOf(line)});
- }
- catch (BadLocationException e) {
- Logger.logException(e);
- }
- }
- return fTarget.getNodeName();
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.eclipse.jface.text.hyperlink.IHyperlink#getTypeLabel()
- */
- public String getTypeLabel() {
- return null;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.eclipse.jface.text.hyperlink.IHyperlink#open()
- */
- public void open() {
- if (fTarget instanceof IndexedRegion) {
- int offset = ((IndexedRegion) fTarget).getStartOffset();
- if (fViewer instanceof ITextViewerExtension5) {
- offset = ((ITextViewerExtension5) fViewer).modelOffset2WidgetOffset(offset);
- }
- fViewer.getSelectionProvider().setSelection(new TextSelection(offset, 0));
- fViewer.revealRange(offset, 0);
- }
- }
- }
-
- public AnchorHyperlinkDetector() {
- super();
- }
-
- private void addHyperLinkForHref(ITextViewer textViewer, IRegion linkRegion, Element element, String hrefValue, List links, Node anchor) {
- Node nameNode = anchor.getAttributes().getNamedItem(HTML40Namespace.ATTR_NAME_HREF);
- if (nameNode != null) {
- String name = nameNode.getNodeValue();
- if (hrefValue.equals(name) && nameNode instanceof IndexedRegion) {
- links.add(new InternalElementHyperlink(textViewer, linkRegion, nameNode));
- }
- }
- }
-
- private void addHyperLinkForName(ITextViewer textViewer, IRegion linkRegion, Element element, String anchorName, List links, Node anchor) {
- Node nameNode = anchor.getAttributes().getNamedItem(HTML40Namespace.ATTR_NAME_NAME);
- if (nameNode != null) {
- String name = nameNode.getNodeValue();
- if (anchorName.equals(name) && nameNode instanceof IndexedRegion) {
- links.add(new InternalElementHyperlink(textViewer, linkRegion, nameNode));
- }
- }
- nameNode = anchor.getAttributes().getNamedItem(HTML40Namespace.ATTR_NAME_ID);
- if (nameNode != null) {
- String name = nameNode.getNodeValue();
- if (anchorName.equals(name) && nameNode instanceof IndexedRegion) {
- links.add(new InternalElementHyperlink(textViewer, linkRegion, nameNode));
- }
- }
- }
-
- /**
- * @param documentRegion
- * @param valueRegion
- * @return
- */
- private IRegion createHyperlinkRegion(IStructuredDocumentRegion documentRegion, ITextRegion valueRegion) {
- return new Region(documentRegion.getStartOffset(valueRegion), valueRegion.getTextLength());
- }
-
- // link to anchors with the given name (value includes the '#')
- IHyperlink[] createHyperlinksToAnchorNamed(ITextViewer textViewer, IRegion hyperlinkRegion, Element element, String anchorName, boolean canShowMultipleHyperlinks) {
- List links = new ArrayList(1);
- // >1 guards the substring-ing
- if (anchorName.length() > 1 && anchorName.startsWith("#")) { //$NON-NLS-1$
- // an anchor in this document
- NodeList anchors = null;//element.getOwnerDocument().getElementsByTagNameNS("*", HTML40Namespace.ElementName.A); //$NON-NLS-1$
- String internalAnchorName = anchorName.substring(1);
-// for (int i = 0; i < anchors.getLength(); i++) {
-// addHyperLinkForName(textViewer, hyperlinkRegion, element, internalAnchorName, links, anchors.item(i));
-// }
-// anchors = element.getOwnerDocument().getElementsByTagName(HTML40Namespace.ElementName.A);
-// for (int i = 0; i < anchors.getLength(); i++) {
-// addHyperLinkForName(textViewer, hyperlinkRegion, element, internalAnchorName, links, anchors.item(i));
-// }
- anchors = element.getOwnerDocument().getElementsByTagName("*"); //$NON-NLS-1$
- for (int i = 0; i < anchors.getLength(); i++) {
- addHyperLinkForName(textViewer, hyperlinkRegion, element, internalAnchorName, links, anchors.item(i));
- }
- }
- else {
- // another file, possibly very slow to compute ahead of time
- links.add(new ExternalElementHyperlink(textViewer.getTextWidget().getDisplay(), hyperlinkRegion, anchorName, element));
- }
- if (!links.isEmpty()) {
- return (IHyperlink[]) links.toArray(new IHyperlink[links.size()]);
- }
- return null;
- }
-
- // link to anchors that link to this target
- IHyperlink[] createReferrerHyperlinks(ITextViewer textViewer, IRegion hyperlinkRegion, Element element, String nameValue, boolean canShowMultipleHyperlinks) {
- List links = new ArrayList(1);
- if (nameValue.length() > 0) {
- String target = "#" + nameValue; //$NON-NLS-1$
- NodeList anchors = null;//element.getOwnerDocument().getElementsByTagNameNS("*", HTML40Namespace.ElementName.A); //$NON-NLS-1$
-// for (int i = 0; i < anchors.getLength(); i++) {
-// addHyperLinkForHref(textViewer, hyperlinkRegion, element, target, links, anchors.item(i));
-// }
-// anchors = element.getOwnerDocument().getElementsByTagName(HTML40Namespace.ElementName.A);
-// for (int i = 0; i < anchors.getLength(); i++) {
-// addHyperLinkForHref(textViewer, hyperlinkRegion, element, target, links, anchors.item(i));
-// }
- anchors = element.getOwnerDocument().getElementsByTagName("*"); //$NON-NLS-1$
- for (int i = 0; i < anchors.getLength(); i++) {
- addHyperLinkForHref(textViewer, hyperlinkRegion, element, target, links, anchors.item(i));
- }
- }
- if (!links.isEmpty()) {
- return (IHyperlink[]) links.toArray(new IHyperlink[links.size()]);
- }
- return null;
- }
-
- public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region, boolean canShowMultipleHyperlinks) {
- if (textViewer != null && region != null) {
- IDocument document = textViewer.getDocument();
- if (document != null) {
- Node currentNode = getCurrentNode(document, region.getOffset());
- if (currentNode != null && currentNode.getNodeType() == Node.ELEMENT_NODE) {
- Element element = (Element) currentNode;
- IStructuredDocumentRegion documentRegion = ((IStructuredDocument) document).getRegionAtCharacterOffset(region.getOffset());
- ITextRegion textRegion = documentRegion.getRegionAtCharacterOffset(region.getOffset());
- ITextRegion nameRegion = null;
- ITextRegion valueRegion = null;
- String name = null;
- String value = null;
- if (DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE.equals(textRegion.getType())) {
- ITextRegionList regions = documentRegion.getRegions();
- /*
- * Could use 2, but there needs to be the tag open
- * and name regions
- */
- int index = regions.indexOf(textRegion);
- if (index >= 4) {
- nameRegion = regions.get(index - 2);
- valueRegion = textRegion;
- name = documentRegion.getText(nameRegion);
- value = StringUtils.strip(documentRegion.getText(valueRegion));
- }
- }
- else if (DOMRegionContext.XML_TAG_ATTRIBUTE_NAME.equals(textRegion.getType())) {
- ITextRegionList regions = documentRegion.getRegions();
- int index = regions.indexOf(textRegion);
- // minus 3 to leave equal and value regions
- if (index <= regions.size() - 3) {
- nameRegion = textRegion;
- valueRegion = regions.get(index + 2);
- name = documentRegion.getText(nameRegion);
- value = StringUtils.strip(documentRegion.getText(valueRegion));
- }
- }
- if (name != null && value != null) {
- if (HTML40Namespace.ATTR_NAME_HREF.equalsIgnoreCase(name) && value.indexOf("#") >= 0) { //$NON-NLS-1$
- return createHyperlinksToAnchorNamed(textViewer, createHyperlinkRegion(documentRegion, valueRegion), element, value, canShowMultipleHyperlinks);
- }
- if (HTML40Namespace.ATTR_NAME_NAME.equalsIgnoreCase(name)||HTML40Namespace.ATTR_NAME_ID.equalsIgnoreCase(name)) {
- return createReferrerHyperlinks(textViewer, createHyperlinkRegion(documentRegion, valueRegion), element, value, canShowMultipleHyperlinks);
- }
- }
- }
- }
- }
- return null;
- }
-
- /**
- * Returns the node the cursor is currently on in the document. null if no
- * node is selected
- *
- * @param offset
- * @return Node either element, doctype, text, or null
- */
- private Node getCurrentNode(IDocument document, int offset) {
- // get the current node at the offset (returns either: element,
- // doctype, text)
- IndexedRegion inode = null;
- IStructuredModel sModel = null;
- try {
- sModel = StructuredModelManager.getModelManager().getExistingModelForRead(document);
- if (sModel != null) {
- inode = sModel.getIndexedRegion(offset);
- if (inode == null) {
- inode = sModel.getIndexedRegion(offset - 1);
- }
- }
- }
- finally {
- if (sModel != null)
- sModel.releaseFromRead();
- }
-
- if (inode instanceof Node) {
- return (Node) inode;
- }
- return null;
- }
-}
|