/*
* Copyright 2000-2009 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.sylvanaar.idea.Lua.intentions.control;
import com.intellij.psi.PsiElement;
import com.intellij.psi.tree.IElementType;
import com.intellij.util.IncorrectOperationException;
import com.sylvanaar.idea.Lua.intentions.LuaIntentionsBundle;
import com.sylvanaar.idea.Lua.intentions.base.IntentionUtils;
import com.sylvanaar.idea.Lua.intentions.base.MutablyNamedIntention;
import com.sylvanaar.idea.Lua.intentions.base.PsiElementPredicate;
import com.sylvanaar.idea.Lua.intentions.utils.ComparisonUtils;
import com.sylvanaar.idea.Lua.lang.psi.expressions.LuaBinaryExpression;
import com.sylvanaar.idea.Lua.lang.psi.expressions.LuaExpression;
import org.jetbrains.annotations.NotNull;
public class FlipComparisonIntention extends MutablyNamedIntention {
protected String getTextForElement(PsiElement element) {
final LuaBinaryExpression binaryExpression =
(LuaBinaryExpression) element;
final IElementType tokenType = binaryExpression.getOperationTokenType();
final String comparison = ComparisonUtils.getStringForComparison(tokenType);
final String flippedComparison = ComparisonUtils.getFlippedComparison(tokenType);
return LuaIntentionsBundle.message("flip.comparison.intention.name", comparison, flippedComparison);
}
@NotNull
public PsiElementPredicate getElementPredicate() {
return new ComparisonPredicate();
}
public void processIntention(@NotNull PsiElement element)
throws IncorrectOperationException {
final LuaBinaryExpression exp =
(LuaBinaryExpression) element;
final IElementType tokenType = exp.getOperationTokenType();
final LuaExpression lhs = exp.getLeftOperand();
final String lhsText = lhs.getText();
final LuaExpression rhs = exp.getRightOperand();
final String rhsText = rhs.getText();
final String flippedComparison = ComparisonUtils.getFlippedComparison(tokenType);
final String newExpression =
rhsText + flippedComparison + lhsText;
IntentionUtils.replaceExpression(newExpression, exp);
}
}