| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.html.impl; |
| |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.xml.XmlAttribute; |
| import com.intellij.psi.xml.XmlAttributeValue; |
| import com.intellij.psi.xml.XmlTag; |
| import com.intellij.util.ArrayUtil; |
| import com.intellij.xml.XmlAttributeDescriptor; |
| import com.intellij.xml.XmlAttributeDescriptorsProvider; |
| import com.intellij.xml.impl.schema.AnyXmlAttributeDescriptor; |
| import com.intellij.xml.util.HtmlUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static com.intellij.html.impl.util.MicrodataUtil.*; |
| |
| /** |
| * @author: Fedor.Korotkov |
| */ |
| public class MicrodataAttributeDescriptorsProvider implements XmlAttributeDescriptorsProvider { |
| @Override |
| public XmlAttributeDescriptor[] getAttributeDescriptors(XmlTag context) { |
| if (!HtmlUtil.isHtml5Context(context)) { |
| return XmlAttributeDescriptor.EMPTY; |
| } |
| final String tagName = context.getName(); |
| List<XmlAttributeDescriptor> result = new ArrayList<XmlAttributeDescriptor>(); |
| final boolean goodContextForProps = |
| "div".equalsIgnoreCase(tagName) || "span".equalsIgnoreCase(tagName) || "a".equalsIgnoreCase(tagName); |
| if (goodContextForProps && hasScopeTag(context)) { |
| result.add(new MicrodataPropertyAttributeDescriptor(context)); |
| } |
| if (context.getAttribute(ITEM_SCOPE) == null) { |
| result.add(new AnyXmlAttributeDescriptor(ITEM_SCOPE)); |
| } |
| else { |
| result.add(new XmlAttributeDescriptorWithEmptyDefaultValue(ITEM_ID)); |
| result.add(new XmlAttributeDescriptorWithEmptyDefaultValue(ITEM_TYPE)); |
| result.add(new XmlAttributeDescriptorWithEmptyDefaultValue(ITEM_REF)); |
| } |
| return result.toArray(new XmlAttributeDescriptor[result.size()]); |
| } |
| |
| @Nullable |
| @Override |
| public XmlAttributeDescriptor getAttributeDescriptor(String attributeName, XmlTag context) { |
| if (!HtmlUtil.isHtml5Context(context)) { |
| return null; |
| } |
| if (ITEM_SCOPE.equalsIgnoreCase(attributeName)) { |
| return new AnyXmlAttributeDescriptor(attributeName); |
| } |
| if (context.getAttribute(ITEM_SCOPE) != null && |
| (ITEM_TYPE.equalsIgnoreCase(attributeName) || ITEM_ID.equalsIgnoreCase(attributeName) || ITEM_REF.equalsIgnoreCase(attributeName))) { |
| return new XmlAttributeDescriptorWithEmptyDefaultValue(attributeName); |
| } |
| if (ITEM_PROP.equalsIgnoreCase(attributeName) && hasScopeTag(context)) { |
| return new MicrodataPropertyAttributeDescriptor(context); |
| } |
| return null; |
| } |
| |
| private static class XmlAttributeDescriptorWithEmptyDefaultValue extends AnyXmlAttributeDescriptor { |
| public XmlAttributeDescriptorWithEmptyDefaultValue(String name) { |
| super(name); |
| } |
| |
| @Override |
| public String getDefaultValue() { |
| return ""; |
| } |
| } |
| |
| private static class MicrodataPropertyAttributeDescriptor extends AnyXmlAttributeDescriptor { |
| |
| @NotNull |
| private final XmlTag myContext; |
| |
| public MicrodataPropertyAttributeDescriptor(@NotNull XmlTag context) { |
| super(ITEM_PROP); |
| myContext = context; |
| } |
| |
| @Override |
| public String getDefaultValue() { |
| return ""; |
| } |
| |
| @Override |
| public boolean isEnumerated() { |
| final String[] enumeratedValues = getEnumeratedValues(); |
| return enumeratedValues == null ? super.isEnumerated() : enumeratedValues.length > 0; |
| } |
| |
| @Override |
| public String[] getEnumeratedValues() { |
| final XmlTag scopeParent = findScopeTag(myContext); |
| return scopeParent != null ? findProperties(scopeParent) : super.getEnumeratedValues(); |
| } |
| |
| private static String[] findProperties(@NotNull XmlTag tag) { |
| final XmlAttribute typeAttribute = tag.getAttribute(ITEM_TYPE); |
| if (typeAttribute != null) { |
| final XmlAttributeValue valueElement = typeAttribute.getValueElement(); |
| final PsiReference[] references = valueElement != null ? valueElement.getReferences() : PsiReference.EMPTY_ARRAY; |
| List<String> result = new ArrayList<String>(); |
| for (PsiReference reference : references) { |
| final PsiElement target = reference != null ? reference.resolve() : null; |
| if (target instanceof PsiFile) { |
| result.addAll(extractProperties((PsiFile)target, StringUtil.stripQuotesAroundValue(reference.getCanonicalText()))); |
| } |
| } |
| return ArrayUtil.toStringArray(result); |
| } |
| return ArrayUtil.EMPTY_STRING_ARRAY; |
| } |
| } |
| } |