| /* |
| * Copyright 2000-2010 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 org.jetbrains.android.dom; |
| |
| import com.android.SdkConstants; |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Computable; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.impl.source.xml.SchemaPrefix; |
| import com.intellij.psi.impl.source.xml.TagNameReference; |
| import com.intellij.psi.xml.XmlFile; |
| import com.intellij.psi.xml.XmlTag; |
| import com.intellij.xml.DefaultXmlExtension; |
| import org.jetbrains.android.dom.manifest.ManifestDomFileDescription; |
| import org.jetbrains.android.facet.AndroidFacet; |
| import org.jetbrains.android.util.AndroidResourceUtil; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author Eugene.Kudelevsky |
| */ |
| public class AndroidXmlExtension extends DefaultXmlExtension { |
| @Nullable |
| @Override |
| public TagNameReference createTagNameReference(ASTNode nameElement, boolean startTagFlag) { |
| return AndroidXmlReferenceProvider.areReferencesProvidedByReferenceProvider(nameElement) |
| ? null |
| : new AndroidClassTagNameReference(nameElement, startTagFlag); |
| } |
| |
| @Override |
| public boolean isAvailable(final PsiFile file) { |
| if (file instanceof XmlFile) { |
| Project project = file.getProject(); |
| if (AndroidFacet.getInstance(file) == null) { |
| return false; |
| } |
| return ApplicationManager.getApplication().runReadAction(new Computable<Boolean>() { |
| @Override |
| public Boolean compute() { |
| return AndroidResourceUtil.isInResourceSubdirectory(file, null) || |
| ManifestDomFileDescription.isManifestFile((XmlFile)file); |
| } |
| }); |
| } |
| return false; |
| } |
| |
| @Override |
| public SchemaPrefix getPrefixDeclaration(final XmlTag context, String namespacePrefix) { |
| SchemaPrefix prefix = super.getPrefixDeclaration(context, namespacePrefix); |
| if (prefix != null) { |
| return prefix; |
| } |
| |
| if (namespacePrefix.isEmpty()) { |
| // In for example XHTML documents, the root element looks like this: |
| // <html xmlns="http://www.w3.org/1999/xhtml"> |
| // This means that the IDE can find the namespace for "". |
| // |
| // However, in Android XML files it's implicit, so just return a dummy SchemaPrefix so |
| // // that we don't end up with a |
| // Namespace ''{0}'' is not bound |
| // error from {@link XmlUnboundNsPrefixInspection#checkUnboundNamespacePrefix} |
| return new SchemaPrefix(null, new TextRange(0, 0), SdkConstants.ANDROID_NS_NAME); |
| } |
| |
| return null; |
| } |
| } |
