/******************************************************************************* * Copyright (c) 2007-2012 Red Hat, Inc. * Distributed under license by Red Hat, Inc. All rights reserved. * This program is 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: * Red Hat, Inc. - initial API and implementation ******************************************************************************/ package org.jboss.tools.jsf.text.ext.hyperlink; import org.eclipse.jface.text.BadLocationException; import org.eclipse.jface.text.IDocument; import org.jboss.tools.common.text.ext.hyperlink.AbstractHyperlinkPartitioner; import org.jboss.tools.common.text.ext.hyperlink.HyperlinkRegion; import org.jboss.tools.common.text.ext.hyperlink.IHyperlinkRegion; import org.jboss.tools.common.text.ext.util.StructuredModelWrapper; import org.jboss.tools.common.text.ext.util.Utils; import org.jboss.tools.jsf.text.ext.JSFExtensionsPlugin; import org.w3c.dom.Attr; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.w3c.dom.Text; /** * @author Jeremy */ public class XMLRenderKitHyperlinkPartitioner extends AbstractHyperlinkPartitioner { public static final String XML_RENDER_KIT_PARTITION = "org.jboss.tools.common.text.ext.xml.XML_RENDER_KIT"; //$NON-NLS-1$ /** * @see com.ibm.sse.editor.hyperlink.AbstractHyperlinkPartitioner#parse(org.eclipse.jface.text.IDocument, com.ibm.sse.editor.extensions.hyperlink.IHyperlinkRegion) */ protected IHyperlinkRegion parse(IDocument document, int offset, IHyperlinkRegion superRegion) { StructuredModelWrapper smw = new StructuredModelWrapper(); smw.init(document); try { Document xmlDocument = smw.getDocument(); if (xmlDocument == null) return null; IHyperlinkRegion r = getRegion(document, offset); if (r == null) return null; String axis = getAxis(document, offset); String contentType = superRegion.getContentType(); String type = XML_RENDER_KIT_PARTITION; return new HyperlinkRegion(r.getOffset(), r.getLength(), axis, contentType, type); } finally { smw.dispose(); } } protected String getAxis(IDocument document, int offset) { StructuredModelWrapper smw = new StructuredModelWrapper(); smw.init(document); try { Document xmlDocument = smw.getDocument(); Node n = Utils.findNodeForOffset(xmlDocument, offset); return Utils.getParentAxisForNode(xmlDocument, n); } finally { smw.dispose(); } } public static IHyperlinkRegion getRegion(IDocument document, final int offset) { StructuredModelWrapper smw = new StructuredModelWrapper(); try { smw.init(document); Document xmlDocument = smw.getDocument(); if (xmlDocument == null) return null; Node n = Utils.findNodeForOffset(xmlDocument, offset); if (n == null || !(n instanceof Attr || n instanceof Text)) return null; int start = Utils.getValueStart(n); int end = Utils.getValueEnd(n); if (start > offset || end < offset) return null; String text = document.get(start, end - start); StringBuffer sb = new StringBuffer(text); //find start and end of class property int bStart = 0; int bEnd = text.length() - 1; while (bStart < bEnd && (Character.isWhitespace(sb.charAt(bStart)) || sb.charAt(bStart) == '\"' || sb.charAt(bStart) == '\"')) { bStart++; } while (bEnd > bStart && (Character.isWhitespace(sb.charAt(bEnd)) || sb.charAt(bEnd) == '\"' || sb.charAt(bEnd) == '\"')) { bEnd--; } bEnd++; int propStart = bStart + start; int propLength = bEnd - bStart; if (propStart > offset || propStart + propLength < offset) return null; IHyperlinkRegion region = new HyperlinkRegion(propStart, propLength, null, null, null); return region; } catch (BadLocationException x) { JSFExtensionsPlugin.log("", x); //$NON-NLS-1$ return null; } finally { smw.dispose(); } } }