| /* |
| * Copyright 2000-2013 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.jetbrains.python.actions; |
| |
| import com.intellij.codeInsight.editorActions.fillParagraph.ParagraphFillHandler; |
| import com.intellij.openapi.util.Pair; |
| import com.intellij.openapi.util.text.CharFilter; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.PsiComment; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiWhiteSpace; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.jetbrains.python.PythonStringUtil; |
| import com.jetbrains.python.psi.PyDocStringOwner; |
| import com.jetbrains.python.psi.PyFile; |
| import com.jetbrains.python.psi.PyStatementList; |
| import com.jetbrains.python.psi.PyStringLiteralExpression; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.List; |
| |
| /** |
| * User : ktisha |
| */ |
| public class PyFillParagraphHandler extends ParagraphFillHandler { |
| |
| @NotNull |
| protected String getPrefix(@NotNull final PsiElement element) { |
| final PyStringLiteralExpression stringLiteralExpression = |
| PsiTreeUtil.getParentOfType(element, PyStringLiteralExpression.class); |
| if (stringLiteralExpression != null) { |
| final String text = stringLiteralExpression.getText(); |
| final Pair<String,String> quotes = |
| PythonStringUtil.getQuotes(text); |
| final PyDocStringOwner docStringOwner = PsiTreeUtil.getParentOfType(stringLiteralExpression, PyDocStringOwner.class); |
| if (docStringOwner != null && stringLiteralExpression.equals(docStringOwner.getDocStringExpression())) { |
| String indent = getIndent(stringLiteralExpression); |
| if (quotes != null) { |
| final List<String> strings = StringUtil.split(text, "\n"); |
| if (strings.get(0).trim().equals(quotes.getFirst())) { |
| return quotes.getFirst() + indent; |
| } |
| else { |
| final String value = stringLiteralExpression.getStringValue(); |
| final int firstNotSpace = StringUtil.findFirst(value, CharFilter.NOT_WHITESPACE_FILTER); |
| return quotes.getFirst() + value.substring(0, firstNotSpace); |
| } |
| } |
| return "\"" + indent; |
| } |
| else |
| return quotes != null? quotes.getFirst() : "\""; |
| } |
| return element instanceof PsiComment? "# " : ""; |
| } |
| |
| private static String getIndent(PyStringLiteralExpression stringLiteralExpression) { |
| final PyStatementList statementList = PsiTreeUtil.getParentOfType(stringLiteralExpression, PyStatementList.class); |
| String indent = ""; |
| if (statementList != null) { |
| final PsiElement whiteSpace = statementList.getPrevSibling(); |
| if (whiteSpace instanceof PsiWhiteSpace) |
| indent = whiteSpace.getText(); |
| else |
| indent = "\n"; |
| } |
| return indent; |
| } |
| |
| @NotNull |
| @Override |
| protected String getPostfix(@NotNull PsiElement element) { |
| final PyStringLiteralExpression stringLiteralExpression = |
| PsiTreeUtil.getParentOfType(element, PyStringLiteralExpression.class); |
| if (stringLiteralExpression != null) { |
| final String text = stringLiteralExpression.getText(); |
| final Pair<String,String> quotes = |
| PythonStringUtil.getQuotes(text); |
| final PyDocStringOwner docStringOwner = PsiTreeUtil.getParentOfType(stringLiteralExpression, PyDocStringOwner.class); |
| if (docStringOwner != null && stringLiteralExpression.equals(docStringOwner.getDocStringExpression())) { |
| String indent = getIndent(stringLiteralExpression); |
| if (quotes != null) { |
| final List<String> strings = StringUtil.split(text, "\n"); |
| if (strings.get(strings.size()-1).trim().equals(quotes.getSecond())) { |
| return indent + quotes.getSecond(); |
| } |
| else { |
| return quotes.getSecond(); |
| } |
| } |
| return indent + "\""; |
| } |
| else |
| return quotes != null? quotes.getSecond() : "\""; |
| } |
| return ""; |
| } |
| |
| @Override |
| protected boolean isAvailableForElement(@Nullable PsiElement element) { |
| if (element != null) { |
| final PyStringLiteralExpression stringLiteral = PsiTreeUtil |
| .getParentOfType(element, PyStringLiteralExpression.class); |
| return stringLiteral != null || element instanceof PsiComment; |
| } |
| return false; |
| } |
| |
| @Override |
| protected boolean isAvailableForFile(@Nullable PsiFile psiFile) { |
| return psiFile instanceof PyFile; |
| } |
| } |