| /******************************************************************************* |
| * Copyright (c) 2004, 2010 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.css.ui.internal.contentassist; |
| |
| |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.wst.css.core.internal.CSSCorePlugin; |
| import org.eclipse.wst.css.core.internal.metamodel.CSSMMNode; |
| import org.eclipse.wst.css.core.internal.metamodel.CSSMMSelector; |
| import org.eclipse.wst.css.core.internal.metamodel.util.CSSMMTypeCollector; |
| import org.eclipse.wst.css.core.internal.parser.CSSRegionUtil; |
| import org.eclipse.wst.css.core.internal.parserz.CSSRegionContexts; |
| import org.eclipse.wst.css.core.internal.preferences.CSSCorePreferenceNames; |
| import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode; |
| import org.eclipse.wst.css.core.internal.provisional.document.ICSSPageRule; |
| import org.eclipse.wst.css.core.internal.provisional.document.ICSSStyleRule; |
| import org.eclipse.wst.css.ui.internal.image.CSSImageType; |
| import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; |
| |
| /** |
| * |
| */ |
| class CSSProposalGeneratorForPseudoSelector extends CSSProposalGenerator { |
| |
| /** |
| * CSSProposalGeneratorForPseudoSelector constructor comment. |
| * |
| */ |
| CSSProposalGeneratorForPseudoSelector(CSSContentAssistContext context) { |
| super(context); |
| } |
| |
| /** |
| * getCandidates method comment. |
| */ |
| protected Iterator getCandidates() { |
| List candidates = new ArrayList(); |
| |
| boolean hasLeadingColon = checkLeadingColon(); |
| String textToReplace = fContext.getTextToReplace(); |
| if (!hasLeadingColon && 0 < textToReplace.length() && !textToReplace.equals(fContext.getTextToCompare())) { |
| // cursor placed midpoint of the region |
| return candidates.iterator(); |
| } |
| ITextRegion region = fContext.getTargetRegion(); |
| if (region != null) { |
| String type = region.getType(); |
| if (type != CSSRegionContexts.CSS_S && !CSSRegionUtil.isSelectorBegginingType(type)) { |
| return candidates.iterator(); |
| } |
| } |
| |
| boolean useUpperCase = CSSCorePlugin.getDefault().getPluginPreferences().getInt(CSSCorePreferenceNames.CASE_IDENTIFIER) == CSSCorePreferenceNames.UPPER; |
| |
| List tags = getSelectorTags(); |
| Collections.sort(tags, new Comparator() { |
| /* (non-Javadoc) |
| * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object) |
| */ |
| public int compare(Object o1, Object o2) { |
| return clean(((CSSMMSelector) o1).getName()).compareTo(clean(((CSSMMSelector) o2).getName())); |
| } |
| |
| private String clean(String str) { |
| int length = str.length(); |
| for (int i = 0; i < length; i++) { |
| if (str.charAt(i) != ':') { |
| return str.substring(i); |
| } |
| } |
| return str; |
| } |
| }); |
| |
| Iterator i = tags.iterator(); |
| while (i.hasNext()) { |
| CSSMMSelector selector = (CSSMMSelector) i.next(); |
| String text = selector.getSelectorString(); |
| if (hasLeadingColon && !isMatch(text)) { |
| continue; |
| } |
| text = (useUpperCase) ? text.toUpperCase() : text.toLowerCase(); |
| |
| int cursorPos = 0; |
| StringBuffer buf = new StringBuffer(); |
| |
| if (!hasLeadingColon) |
| buf.append(textToReplace); |
| |
| buf.append(text); |
| cursorPos += buf.length(); |
| |
| if (0 < buf.length()) { |
| // Pseudoclass/element takes arguments |
| if (buf.charAt(buf.length() - 1) == ')') { |
| --cursorPos; |
| } |
| boolean inRule = (fContext.getTargetNode() instanceof ICSSStyleRule || fContext.getTargetNode() instanceof ICSSPageRule); |
| if (!inRule || (textToReplace.length() == 0 && !hasLeadingColon)) { |
| buf.append(" ");//$NON-NLS-1$ |
| cursorPos += 1; |
| } |
| if (!inRule) { |
| StringAndOffset sao = generateBraces(); |
| buf.append(sao.fString); |
| cursorPos += sao.fOffset; |
| } |
| CSSCACandidate item = new CSSCACandidate(); |
| item.setReplacementString(buf.toString()); |
| item.setCursorPosition(cursorPos); |
| item.setDisplayString(text); |
| item.setImageType(CSSImageType.SELECTOR_PSEUDO); |
| item.setMMNode(selector); |
| candidates.add(item); |
| } |
| } |
| |
| return candidates.iterator(); |
| } |
| |
| /** |
| * |
| */ |
| 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; |
| } |
| } |