| /* |
| * 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.jetbrains.python.codeInsight; |
| |
| import com.intellij.codeInsight.editorActions.TypedHandlerDelegate; |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.editor.EditorModificationUtil; |
| import com.intellij.openapi.fileTypes.FileType; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiDocumentManager; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.jetbrains.python.PyNames; |
| import com.jetbrains.python.PyTokenTypes; |
| import com.jetbrains.python.PythonFileType; |
| import com.jetbrains.python.psi.PyFunction; |
| import com.jetbrains.python.psi.PyUtil; |
| |
| /** |
| * Adds appropriate first parameter to a freshly-typed method declaration. |
| * <br/> |
| * User: dcheryasov |
| * Date: 11/29/10 12:44 AM |
| */ |
| public class PyMethodNameTypedHandler extends TypedHandlerDelegate { |
| @Override |
| public Result beforeCharTyped(char character, Project project, Editor editor, PsiFile file, FileType fileType) { |
| if (!(fileType instanceof PythonFileType)) return Result.CONTINUE; // else we'd mess up with other file types! |
| if (character == '(') { |
| if (!PyCodeInsightSettings.getInstance().INSERT_SELF_FOR_METHODS) { |
| return Result.CONTINUE; |
| } |
| final Document document = editor.getDocument(); |
| final PsiDocumentManager documentManager = PsiDocumentManager.getInstance(project); |
| final int offset = editor.getCaretModel().getOffset(); |
| |
| PsiElement token = file.findElementAt(offset - 1); |
| if (token == null) return Result.CONTINUE; // sanity check: beyond EOL |
| |
| final ASTNode token_node = token.getNode(); |
| if (token_node != null && token_node.getElementType() == PyTokenTypes.IDENTIFIER) { |
| PsiElement maybe_def = PyUtil.getFirstNonCommentBefore(token.getPrevSibling()); |
| if (maybe_def != null) { |
| ASTNode def_node = maybe_def.getNode(); |
| if (def_node != null && def_node.getElementType() == PyTokenTypes.DEF_KEYWORD) { |
| PsiElement maybe_func = token.getParent(); |
| if (maybe_func instanceof PyFunction) { |
| PyFunction func = (PyFunction)maybe_func; |
| PyUtil.MethodFlags flags = PyUtil.MethodFlags.of(func); |
| if (flags != null) { |
| // we're in a method |
| // TODO: all string constants go to Settings |
| String pname = flags.isClassMethod() || flags.isMetaclassMethod() ? "cls" : "self"; |
| final boolean is_new = PyNames.NEW.equals(func.getName()); |
| if (flags.isMetaclassMethod() && is_new) { |
| pname = "typ"; |
| } |
| else if (flags.isClassMethod() || is_new) { |
| pname = "cls"; |
| } |
| else if (flags.isStaticMethod()) pname = ""; |
| documentManager.commitDocument(document); |
| // TODO: only print the ")" if Settings require it |
| int caretOffset = editor.getCaretModel().getOffset(); |
| String textToType = "(" + pname + ")"; |
| CharSequence chars = editor.getDocument().getCharsSequence(); |
| if (caretOffset == chars.length() || chars.charAt(caretOffset) != ':') { |
| textToType += ':'; |
| } |
| EditorModificationUtil.insertStringAtCaret(editor, textToType, true, 1 + pname.length()); // right after param name |
| return Result.STOP; |
| } |
| } |
| } |
| } |
| } |
| } |
| return Result.CONTINUE; // the default |
| } |
| } |