Java tutorial
/* * 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 intellijeval.toolwindow; import com.intellij.openapi.actionSystem.AnActionEvent; import com.intellij.openapi.actionSystem.Presentation; import com.intellij.openapi.fileTypes.FileType; import com.intellij.openapi.ui.Messages; import com.intellij.openapi.vfs.VirtualFile; import com.intellij.ui.UIBundle; import com.intellij.openapi.fileChooser.FileSystemTree; import com.intellij.openapi.fileChooser.actions.FileChooserAction; import com.intellij.openapi.fileChooser.ex.FileChooserKeys; import com.intellij.openapi.fileChooser.ex.FileSystemTreeImpl; import javax.swing.*; /** * Fork of {@link com.intellij.openapi.fileChooser.actions.NewFileAction} * * User: dima * Date: 13/08/2012 */ public class NewFileAction extends FileChooserAction { public NewFileAction() { } public NewFileAction(String text, Icon icon) { super(text, text, icon); } protected void update(FileSystemTree fileSystemTree, AnActionEvent e) { Presentation presentation = e.getPresentation(); final FileType fileType = e.getData(FileChooserKeys.NEW_FILE_TYPE); if (fileType != null) { presentation.setVisible(true); VirtualFile selectedFile = fileSystemTree.getNewFileParent(); presentation.setEnabled(selectedFile != null && selectedFile.isDirectory()); // FORK DIFF (got rid of layered "new" icon because it's ugly) presentation.setIcon(fileType.getIcon()); } else { presentation.setVisible(false); } } protected void actionPerformed(FileSystemTree fileSystemTree, AnActionEvent e) { final FileType fileType = e.getData(FileChooserKeys.NEW_FILE_TYPE); String initialContent = e.getData(FileChooserKeys.NEW_FILE_TEMPLATE_TEXT); // FORK DIFF (don't really care if initial content if null) if (initialContent == null) initialContent = ""; if (fileType != null) { createNewFile(fileSystemTree, fileType, initialContent); } } private static void createNewFile(FileSystemTree fileSystemTree, final FileType fileType, final String initialContent) { final VirtualFile file = fileSystemTree.getNewFileParent(); if (file == null || !file.isDirectory()) return; String newFileName; while (true) { newFileName = Messages.showInputDialog( UIBundle.message("create.new.file.enter.new.file.name.prompt.text"), UIBundle.message("new.file.dialog.title"), Messages.getQuestionIcon()); if (newFileName == null) { return; } if ("".equals(newFileName.trim())) { Messages.showMessageDialog( UIBundle.message("create.new.file.file.name.cannot.be.empty.error.message"), UIBundle.message("error.dialog.title"), Messages.getErrorIcon()); continue; } Exception failReason = ((FileSystemTreeImpl) fileSystemTree).createNewFile(file, newFileName, fileType, initialContent); if (failReason != null) { Messages.showMessageDialog( UIBundle.message("create.new.file.could.not.create.file.error.message", newFileName), UIBundle.message("error.dialog.title"), Messages.getErrorIcon()); continue; } return; } } }