xml/impl/src/com/intellij/codeInsight/template/emmet/nodes/LoremNode.java

/*
 * 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.codeInsight.template.emmet.nodes;

import com.intellij.codeInsight.template.CustomTemplateCallback;
import com.intellij.codeInsight.template.emmet.generators.LoremGenerator;
import com.intellij.codeInsight.template.emmet.tokens.TemplateToken;
import com.intellij.codeInsight.template.impl.TemplateImpl;
import com.intellij.openapi.util.Couple;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.Collections;
import java.util.List;

/**
 * @author Eugene.Kudelevsky
 */
public class LoremNode extends ZenCodingNode {
  private final int myWordsCount;
  private final LoremGenerator myLoremGenerator;

  public LoremNode(int wordsCount) {
    myLoremGenerator = new LoremGenerator();
    myWordsCount = wordsCount;
  }

  @NotNull
  @Override
  public List<GenerationNode> expand(int numberInIteration,
                                     int totalIterations, String surroundedText,
                                     CustomTemplateCallback callback,
                                     boolean insertSurroundedTextAtTheEnd, GenerationNode parent) {


    final TemplateToken templateToken = new TemplateToken("", Collections.<Couple<String>>emptyList());
    final TemplateImpl template = new TemplateImpl("", myLoremGenerator.generate(myWordsCount, numberInIteration <= 0), "");
    templateToken.setTemplate(template, callback);
    final GenerationNode node = new GenerationNode(templateToken, numberInIteration,
                                                   totalIterations, surroundedText, insertSurroundedTextAtTheEnd, parent);
    return Collections.singletonList(node);
  }

  @Override
  public int getApproximateOutputLength(@Nullable CustomTemplateCallback callback) {
    
    return myWordsCount * 7;
  }

  @Override
  public String toString() {
    return "Lorem(" + myWordsCount + ")";
  }
}