| /* |
| * 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.editor; |
| |
| import com.intellij.codeInsight.editorActions.BackspaceHandler; |
| import com.intellij.codeInsight.editorActions.BackspaceHandlerDelegate; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.editor.EditorModificationUtil; |
| import com.intellij.openapi.editor.LogicalPosition; |
| import com.intellij.psi.PsiFile; |
| import com.jetbrains.python.PythonFileType; |
| |
| /** |
| * @author yole |
| */ |
| public class PythonBackspaceHandler extends BackspaceHandlerDelegate { |
| private LogicalPosition myTargetPosition; |
| |
| public void beforeCharDeleted(final char c, final PsiFile file, final Editor editor) { |
| if (PythonFileType.INSTANCE != file.getFileType()) return; |
| myTargetPosition = BackspaceHandler.getBackspaceUnindentPosition(file, editor); |
| } |
| |
| public boolean charDeleted(final char c, final PsiFile file, final Editor editor) { |
| if (myTargetPosition != null) { |
| // Remove all the following spaces before moving to targetPosition |
| final int offset = editor.getCaretModel().getOffset(); |
| final int targetOffset = editor.logicalPositionToOffset(myTargetPosition); |
| editor.getSelectionModel().setSelection(targetOffset, offset); |
| EditorModificationUtil.deleteSelectedText(editor); |
| editor.getCaretModel().moveToLogicalPosition(myTargetPosition); |
| myTargetPosition = null; |
| return true; |
| } |
| return false; |
| } |
| } |