| /* |
| * 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.codeInsight.daemon.impl.analysis; |
| |
| import com.intellij.codeInsight.intention.PsiElementBaseIntentionAction; |
| import com.intellij.openapi.application.Result; |
| import com.intellij.openapi.command.WriteCommandAction; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.XmlRecursiveElementVisitor; |
| import com.intellij.psi.impl.source.xml.SchemaPrefix; |
| import com.intellij.psi.impl.source.xml.SchemaPrefixReference; |
| import com.intellij.psi.xml.XmlAttribute; |
| import com.intellij.psi.xml.XmlAttributeValue; |
| import com.intellij.psi.xml.XmlTag; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * @author Konstantin Bulenkov |
| */ |
| public class ConvertSchemaPrefixToDefaultIntention extends PsiElementBaseIntentionAction { |
| public static final String NAME = "Set Namespace Prefix to Empty"; |
| |
| public ConvertSchemaPrefixToDefaultIntention() { |
| setText(NAME); |
| } |
| |
| @Override |
| public void invoke(@NotNull Project project, Editor editor, @NotNull PsiElement element) throws IncorrectOperationException { |
| final XmlAttribute xmlns = getXmlnsDeclaration(element); |
| if (xmlns == null) return; |
| SchemaPrefixReference prefixRef = null; |
| for (PsiReference ref : xmlns.getReferences()) { |
| if (ref instanceof SchemaPrefixReference) { |
| prefixRef = (SchemaPrefixReference)ref; |
| break; |
| } |
| } |
| if (prefixRef == null) return; |
| |
| final SchemaPrefix prefix = prefixRef.resolve(); |
| final String ns = prefixRef.getNamespacePrefix(); |
| final ArrayList<XmlTag> tags = new ArrayList<XmlTag>(); |
| final ArrayList<XmlAttribute> attrs = new ArrayList<XmlAttribute>(); |
| xmlns.getParent().accept(new XmlRecursiveElementVisitor() { |
| @Override |
| public void visitXmlTag(XmlTag tag) { |
| if (ns.equals(tag.getNamespacePrefix())) { |
| tags.add(tag); |
| } |
| super.visitXmlTag(tag); |
| } |
| |
| @Override |
| public void visitXmlAttributeValue(XmlAttributeValue value) { |
| if (value.getValue().startsWith(ns + ":")) { |
| for (PsiReference ref : value.getReferences()) { |
| if (ref instanceof SchemaPrefixReference && ref.isReferenceTo(prefix)) { |
| attrs.add((XmlAttribute)value.getParent()); |
| } |
| } |
| } |
| } |
| }); |
| new WriteCommandAction(project, "Convert namespace prefix to default", xmlns.getContainingFile()) { |
| @Override |
| protected void run(Result result) throws Throwable { |
| final int index = ns.length() + 1; |
| for (XmlTag tag : tags) { |
| final String s = tag.getName().substring(index); |
| if (!s.isEmpty()) { |
| tag.setName(s); |
| } |
| } |
| for (XmlAttribute attr : attrs) { |
| //noinspection ConstantConditions |
| attr.setValue(attr.getValue().substring(index)); |
| } |
| xmlns.setName("xmlns"); |
| } |
| }.execute(); |
| } |
| |
| @Override |
| public boolean isAvailable(@NotNull Project project, Editor editor, @NotNull PsiElement element) { |
| return getXmlnsDeclaration(element) != null; |
| } |
| |
| @NotNull |
| @Override |
| public String getFamilyName() { |
| return NAME; |
| } |
| |
| @Nullable |
| private static XmlAttribute getXmlnsDeclaration(PsiElement element) { |
| final PsiElement parent = element.getParent(); |
| if (parent == null) return null; |
| for (PsiReference ref : parent.getReferences()) { |
| if (ref instanceof SchemaPrefixReference) { |
| final PsiElement elem = ref.resolve(); |
| if (elem != null) { |
| final PsiElement attr = elem.getParent(); |
| if (attr instanceof XmlAttribute) { |
| final PsiElement tag = attr.getParent(); |
| if (tag instanceof XmlTag && ((XmlTag)tag).getAttribute("xmlns") == null) { |
| return (XmlAttribute)attr; |
| } |
| } |
| } |
| } |
| } |
| return null; |
| } |
| } |