| /* |
| * Copyright 2006 Sascha Weinreuter |
| * |
| * 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.intellij.lang.xpath.xslt.impl; |
| |
| import com.intellij.formatting.*; |
| import com.intellij.ide.highlighter.XmlFileType; |
| import com.intellij.lang.ASTNode; |
| import com.intellij.lang.xml.XMLLanguage; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.codeStyle.CodeStyleSettings; |
| import com.intellij.psi.formatter.xml.XmlBlock; |
| import com.intellij.psi.formatter.xml.XmlPolicy; |
| import com.intellij.psi.xml.XmlTag; |
| import org.intellij.lang.xpath.xslt.XsltSupport; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| class XsltFormattingModelBuilder implements CustomFormattingModelBuilder { |
| private final FormattingModelBuilder myBuilder; |
| |
| public XsltFormattingModelBuilder(FormattingModelBuilder builder) { |
| myBuilder = builder; |
| } |
| |
| public boolean isEngagedToFormat(PsiElement context) { |
| final PsiFile file = context.getContainingFile(); |
| if (file == null) { |
| return false; |
| } else if (file.getFileType() == XmlFileType.INSTANCE |
| && file.getLanguage() == XMLLanguage.INSTANCE) { |
| |
| return XsltSupport.isXsltFile(file); |
| } |
| return false; |
| } |
| |
| @Nullable |
| public TextRange getRangeAffectingIndent(PsiFile file, int offset, ASTNode elementAtOffset) { |
| return myBuilder.getRangeAffectingIndent(file, offset, elementAtOffset); |
| } |
| |
| @NotNull |
| public FormattingModel createModel(final PsiElement element, final CodeStyleSettings settings) { |
| FormattingModel baseModel = myBuilder.createModel(element, settings); |
| return new DelegatingFormattingModel(baseModel, getDelegatingBlock(settings, baseModel)); |
| } |
| |
| static Block getDelegatingBlock(final CodeStyleSettings settings, FormattingModel baseModel) { |
| final Block block = baseModel.getRootBlock(); |
| if (block instanceof XmlBlock) { |
| final XmlBlock xmlBlock = (XmlBlock)block; |
| |
| final XmlPolicy xmlPolicy = new XmlPolicy(settings, baseModel.getDocumentModel()) { |
| @Override |
| public boolean keepWhiteSpacesInsideTag(XmlTag xmlTag) { |
| return super.keepWhiteSpacesInsideTag(xmlTag) || isXslTextTag(xmlTag); |
| } |
| |
| @Override |
| public boolean isTextElement(XmlTag tag) { |
| return super.isTextElement(tag) || isXslTextTag(tag) || isXslValueOfTag(tag); |
| } |
| }; |
| |
| final ASTNode node = xmlBlock.getNode(); |
| final Wrap wrap = xmlBlock.getWrap(); |
| final Alignment alignment = xmlBlock.getAlignment(); |
| final Indent indent = xmlBlock.getIndent(); |
| final TextRange textRange = xmlBlock.getTextRange(); |
| |
| return new XmlBlock(node, wrap, alignment, xmlPolicy, indent, textRange); |
| } else { |
| return block; |
| } |
| } |
| |
| private static boolean isXslTextTag(XmlTag xmlTag) { |
| return "text".equals(xmlTag.getLocalName()) && XsltSupport.XSLT_NS.equals(xmlTag.getNamespace()); |
| } |
| |
| private static boolean isXslValueOfTag(XmlTag xmlTag) { |
| return "value-of".equals(xmlTag.getLocalName()) && XsltSupport.XSLT_NS.equals(xmlTag.getNamespace()); |
| } |
| |
| } |