TemplateXmlTagBlock.java

/*
 * Copyright 2000-2017 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.xml.template.formatter;

import com.intellij.formatting.Alignment;
import com.intellij.formatting.Block;
import com.intellij.formatting.Indent;
import com.intellij.formatting.Wrap;
import com.intellij.lang.ASTNode;
import com.intellij.psi.formatter.xml.XmlBlock;
import com.intellij.psi.formatter.xml.XmlFormattingPolicy;
import com.intellij.psi.formatter.xml.XmlTagBlock;
import com.intellij.xml.util.HtmlUtil;

import java.util.ArrayList;
import java.util.List;

public class TemplateXmlTagBlock extends XmlTagBlock implements IndentInheritingBlock {
  private AbstractXmlTemplateFormattingModelBuilder myBuilder;
  private Indent myInheritedIndent;

  public TemplateXmlTagBlock(final AbstractXmlTemplateFormattingModelBuilder builder,
                             final ASTNode node,
                             final Wrap wrap,
                             final Alignment alignment,
                             final XmlFormattingPolicy policy,
                             final Indent indent) {
    super(node, wrap, alignment, policy, indent);
    myBuilder = builder;
  }

  @Override
  protected XmlTagBlock createTagBlock(ASTNode child, Indent indent, Wrap wrap, Alignment alignment) {
   return myBuilder.createXmlTagBlock(child, wrap, alignment, myXmlFormattingPolicy, indent);
  }

  @Override
  protected final Block createSyntheticBlock(ArrayList<Block> localResult, Indent childrenIndent) {
    try {
      List<Block> merged = myBuilder.mergeWithTemplateBlocks(localResult, myXmlFormattingPolicy.getSettings(), myXmlFormattingPolicy, childrenIndent);
      return myBuilder.createSyntheticBlock(merged, this, Indent.getNoneIndent(), myXmlFormattingPolicy, childrenIndent);
    }
    catch (FragmentedTemplateException e) {
      return myBuilder.createSyntheticBlock(localResult, this, Indent.getNoneIndent(), myXmlFormattingPolicy, childrenIndent);
    }
  }


  @Override
  protected XmlBlock createSimpleChild(ASTNode child, Indent indent, Wrap wrap, Alignment alignment) {
    return myBuilder.createXmlBlock(child, wrap, alignment, myXmlFormattingPolicy, indent, null);
  }

  @Override
  public void setIndent(Indent indent) {
    myInheritedIndent = indent;
  }

  @Override
  public Indent getIndent() {
    return myInheritedIndent == null ? super.getIndent() : myInheritedIndent;
  }

  @Override
  protected Indent getChildrenIndent() {
    return Indent.getIndent(myXmlFormattingPolicy.indentChildrenOf(getTag()) ? Indent.Type.NORMAL : Indent.Type.NONE, false, true);
  }
  
  boolean isScriptBlock() {
    return HtmlUtil.isScriptTag(getTag());
  }
}