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/*
* 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.postfix.templates;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.Editor;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.NotNull;
/**
* Interface provides method used in {@link com.intellij.codeInsight.template.postfix.templates.PostfixTemplateWithExpressionSelector}
*
* You should implement the interface if you have non-trivial logic how to determine expression for next processing in postfix template
* Otherwise, you can use one of existing simple implementations:
*
* 1) {@link com.intellij.codeInsight.template.postfix.templates.ChooserExpressionSelector} - The selector get all expression
* in the current position and show to user chooser for these expressions.
*
* 2) {@link com.intellij.codeInsight.template.postfix.templates.TopmostExpressionSelector} - The selector pass to postfix template
* top most expression in the current position
*
*
*/
public interface PostfixTemplateExpressionSelector {
/**
* Check that we can select not-null expression(PsiElement) in current context
*/
boolean hasExpression(@NotNull final PostfixTemplateWithExpressionSelector postfixTemplate,
@NotNull PsiElement context,
@NotNull Document copyDocument,
int newOffset);
/**
* Select expression(PsiElement) and call postfixTemplate.expandForChooseExpression for selected expression
*/
void expandTemplate(@NotNull final PostfixTemplateWithExpressionSelector postfixTemplate,
@NotNull PsiElement context,
@NotNull final Editor editor);
}
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