| /* |
| * 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.editorActions; |
| |
| import com.intellij.ide.DataManager; |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| import com.intellij.openapi.actionSystem.DataContext; |
| import com.intellij.openapi.actionSystem.IdeActions; |
| import com.intellij.openapi.editor.*; |
| import com.intellij.openapi.editor.actionSystem.EditorActionHandler; |
| import com.intellij.openapi.editor.actionSystem.EditorActionManager; |
| import com.intellij.openapi.editor.actionSystem.EditorWriteActionHandler; |
| import com.intellij.openapi.editor.actions.CopyAction; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.util.registry.Registry; |
| import com.intellij.psi.PsiDocumentManager; |
| import com.intellij.psi.PsiFile; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| public class CutHandler extends EditorWriteActionHandler { |
| private final EditorActionHandler myOriginalHandler; |
| |
| public CutHandler(EditorActionHandler originalHandler) { |
| myOriginalHandler = originalHandler; |
| } |
| |
| @Override |
| public void executeWriteAction(final Editor editor, Caret caret, DataContext dataContext) { |
| assert caret == null : "Invocation of 'cut' operation for specific caret is not supported"; |
| Project project = CommonDataKeys.PROJECT.getData(DataManager.getInstance().getDataContext(editor.getContentComponent())); |
| if (project == null) { |
| if (myOriginalHandler != null) { |
| myOriginalHandler.execute(editor, null, dataContext); |
| } |
| return; |
| } |
| |
| final PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument()); |
| |
| if (file == null) { |
| if (myOriginalHandler != null) { |
| myOriginalHandler.execute(editor, null, dataContext); |
| } |
| return; |
| } |
| |
| final SelectionModel selectionModel = editor.getSelectionModel(); |
| if (!selectionModel.hasSelection(true) && !selectionModel.hasBlockSelection()) { |
| if (Registry.is(CopyAction.SKIP_COPY_AND_CUT_FOR_EMPTY_SELECTION_KEY)) { |
| return; |
| } |
| editor.getCaretModel().runForEachCaret(new CaretAction() { |
| @Override |
| public void perform(Caret caret) { |
| selectionModel.selectLineAtCaret(); |
| } |
| }); |
| if (!selectionModel.hasSelection(true)) return; |
| } |
| |
| int start = selectionModel.getSelectionStart(); |
| int end = selectionModel.getSelectionEnd(); |
| final List<TextRange> selections = new ArrayList<TextRange>(); |
| if (editor.getCaretModel().supportsMultipleCarets()) { |
| editor.getCaretModel().runForEachCaret(new CaretAction() { |
| @Override |
| public void perform(Caret caret) { |
| selections.add(new TextRange(selectionModel.getSelectionStart(), selectionModel.getSelectionEnd())); |
| } |
| }); |
| } |
| |
| EditorActionManager.getInstance().getActionHandler(IdeActions.ACTION_EDITOR_COPY).execute(editor, null, dataContext); |
| |
| if (editor.getCaretModel().supportsMultipleCarets()) { |
| |
| Collections.reverse(selections); |
| final Iterator<TextRange> it = selections.iterator(); |
| editor.getCaretModel().runForEachCaret(new CaretAction() { |
| @Override |
| public void perform(Caret caret) { |
| TextRange range = it.next(); |
| editor.getCaretModel().moveToOffset(range.getStartOffset()); |
| selectionModel.removeSelection(); |
| editor.getDocument().deleteString(range.getStartOffset(), range.getEndOffset()); |
| } |
| }); |
| editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE); |
| } |
| else { |
| if (start != end) { |
| // There is a possible case that 'sticky selection' is active. It's automatically removed on copying then, so, we explicitly |
| // remove the text. |
| editor.getDocument().deleteString(start, end); |
| } |
| else { |
| EditorModificationUtil.deleteSelectedText(editor); |
| } |
| } |
| } |
| } |