| /* |
| * Copyright 2000-2014 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.psi.impl.source.xml; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.navigation.ItemPresentation; |
| import com.intellij.navigation.ItemPresentationWithSeparator; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.*; |
| import com.intellij.psi.impl.CheckUtil; |
| import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry; |
| import com.intellij.psi.impl.source.tree.injected.XmlAttributeLiteralEscaper; |
| import com.intellij.psi.meta.PsiMetaData; |
| import com.intellij.psi.meta.PsiMetaOwner; |
| import com.intellij.psi.presentation.java.SymbolPresentationUtil; |
| import com.intellij.psi.xml.XmlAttribute; |
| import com.intellij.psi.xml.XmlAttributeValue; |
| import com.intellij.psi.xml.XmlElementType; |
| import com.intellij.psi.xml.XmlTokenType; |
| import com.intellij.util.ArrayUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| |
| import javax.swing.*; |
| |
| /** |
| * @author Mike |
| */ |
| public class XmlAttributeValueImpl extends XmlElementImpl implements XmlAttributeValue, PsiLanguageInjectionHost, PsiMetaOwner, PsiMetaData { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.source.xml.XmlAttributeValueImpl"); |
| private volatile PsiReference[] myCachedReferences; |
| private volatile long myModCount; |
| |
| public XmlAttributeValueImpl() { |
| super(XmlElementType.XML_ATTRIBUTE_VALUE); |
| } |
| |
| @Override |
| public void accept(@NotNull PsiElementVisitor visitor) { |
| if (visitor instanceof XmlElementVisitor) { |
| ((XmlElementVisitor)visitor).visitXmlAttributeValue(this); |
| } |
| else { |
| visitor.visitElement(this); |
| } |
| } |
| |
| @Override |
| public String getValue() { |
| // it is more correct way to strip quotes since injected xml may have quotes encoded |
| String text = getText(); |
| ASTNode startQuote = findChildByType(XmlTokenType.XML_ATTRIBUTE_VALUE_START_DELIMITER); |
| if (startQuote != null) { |
| text = StringUtil.trimStart(text, startQuote.getText()); |
| } |
| ASTNode endQuote = findChildByType(XmlTokenType.XML_ATTRIBUTE_VALUE_END_DELIMITER); |
| if (endQuote != null) { |
| text = StringUtil.trimEnd(text, endQuote.getText()); |
| } |
| return text; |
| } |
| |
| @Override |
| public TextRange getValueTextRange() { |
| final TextRange range = getTextRange(); |
| final String value = getValue(); |
| if (value.isEmpty()) { |
| return range; |
| } |
| final int start = range.getStartOffset() + getText().indexOf(value); |
| final int end = start + value.length(); |
| return new TextRange(start, end); |
| } |
| |
| @Override |
| public void clearCaches() { |
| super.clearCaches(); |
| myCachedReferences = null; |
| } |
| |
| @Override |
| @NotNull |
| public PsiReference[] getReferences() { |
| PsiReference[] cachedReferences = myCachedReferences; |
| final long curModCount = getManager().getModificationTracker().getModificationCount(); |
| if (cachedReferences != null && myModCount == curModCount) { |
| return cachedReferences; |
| } |
| cachedReferences = ReferenceProvidersRegistry.getReferencesFromProviders(this); |
| myCachedReferences = cachedReferences; |
| myModCount = curModCount; |
| return cachedReferences; |
| } |
| |
| @Override |
| public PsiReference getReference() { |
| final PsiReference[] refs = getReferences(); |
| if (refs.length > 0) return refs[0]; |
| return null; |
| } |
| |
| |
| @Override |
| public int getTextOffset() { |
| return getTextRange().getStartOffset() + 1; |
| } |
| |
| @Override |
| public boolean isValidHost() { |
| return getParent() instanceof XmlAttributeImpl; |
| } |
| |
| @Override |
| public PsiLanguageInjectionHost updateText(@NotNull String text) { |
| try { |
| final String quoteChar = getTextLength() > 0 ? getText().substring(0, 1) : ""; |
| String contents = StringUtil.containsAnyChar(quoteChar, "'\"") ? |
| StringUtil.trimEnd(StringUtil.trimStart(text, quoteChar), quoteChar) : text; |
| XmlAttribute newAttribute = XmlElementFactory.getInstance(getProject()).createXmlAttribute("q", contents); |
| XmlAttributeValue newValue = newAttribute.getValueElement(); |
| |
| CheckUtil.checkWritable(this); |
| replaceAllChildrenToChildrenOf(newValue.getNode()); |
| } |
| catch (IncorrectOperationException e) { |
| LOG.error(e); |
| } |
| return this; |
| } |
| |
| @Override |
| @NotNull |
| public LiteralTextEscaper<XmlAttributeValueImpl> createLiteralTextEscaper() { |
| return new XmlAttributeLiteralEscaper(this); |
| } |
| |
| @Override |
| public PsiMetaData getMetaData() { |
| return this; |
| } |
| |
| @Override |
| public PsiElement getDeclaration() { |
| return this; |
| } |
| |
| @Override |
| public String getName(final PsiElement context) { |
| return getValue(); |
| } |
| |
| @Override |
| public String getName() { |
| return getValue(); |
| } |
| |
| @Override |
| public void init(final PsiElement element) { |
| } |
| |
| @Override |
| public Object[] getDependences() { |
| return ArrayUtil.EMPTY_OBJECT_ARRAY; |
| } |
| |
| @Override |
| public ItemPresentation getPresentation() { |
| return new ItemPresentationWithSeparator() { |
| @Override |
| public String getPresentableText() { |
| return getText(); |
| } |
| |
| @Override |
| public String getLocationString() { |
| return SymbolPresentationUtil.getFilePathPresentation(getContainingFile()); |
| } |
| |
| @Override |
| public Icon getIcon(boolean open) { |
| return null; |
| } |
| }; |
| } |
| } |