Java tutorial
/* * 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.intellij.refactoring.copy; import com.intellij.ide.util.DirectoryUtil; import com.intellij.ide.util.PropertiesComponent; import com.intellij.openapi.actionSystem.ActionManager; import com.intellij.openapi.actionSystem.IdeActions; import com.intellij.openapi.application.ApplicationManager; import com.intellij.openapi.command.CommandProcessor; import com.intellij.openapi.fileChooser.FileChooserDescriptor; import com.intellij.openapi.fileChooser.FileChooserDescriptorFactory; import com.intellij.openapi.help.HelpManager; import com.intellij.openapi.keymap.KeymapUtil; import com.intellij.openapi.project.Project; import com.intellij.openapi.ui.DialogWrapper; import com.intellij.openapi.ui.DialogWrapperPeer; import com.intellij.openapi.ui.Messages; import com.intellij.openapi.ui.TextComponentAccessor; import com.intellij.openapi.util.text.StringUtil; import com.intellij.openapi.vfs.VirtualFile; import com.intellij.psi.*; import com.intellij.refactoring.RefactoringBundle; import com.intellij.ui.DocumentAdapter; import com.intellij.ui.RecentsManager; import com.intellij.ui.TextFieldWithHistoryWithBrowseButton; import com.intellij.ui.components.JBLabelDecorator; import com.intellij.util.IncorrectOperationException; import com.intellij.util.PathUtil; import com.intellij.util.ui.FormBuilder; import com.intellij.util.ui.UIUtil; import org.jetbrains.annotations.NotNull; import javax.swing.*; import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; import java.awt.*; import java.io.File; import java.util.List; public class CopyFilesOrDirectoriesDialog extends DialogWrapper { public static final int MAX_PATH_LENGTH = 70; private static final String COPY_OPEN_IN_EDITOR = "Copy.OpenInEditor"; private static final String RECENT_KEYS = "CopyFile.RECENT_KEYS"; public static String shortenPath(VirtualFile file) { return StringUtil.shortenPathWithEllipsis(file.getPresentableUrl(), MAX_PATH_LENGTH); } public static JCheckBox createOpenInEditorCB() { JCheckBox checkBox = new JCheckBox("Open copy in editor", PropertiesComponent.getInstance().getBoolean(COPY_OPEN_IN_EDITOR, true)); checkBox.setMnemonic('o'); return checkBox; } public static void saveOpenInEditorState(boolean selected) { PropertiesComponent.getInstance().setValue(COPY_OPEN_IN_EDITOR, String.valueOf(selected)); } private JLabel myInformationLabel; private TextFieldWithHistoryWithBrowseButton myTargetDirectoryField; private JCheckBox myOpenFilesInEditor = createOpenInEditorCB(); private JTextField myNewNameField; private final Project myProject; private final boolean myShowDirectoryField; private final boolean myShowNewNameField; private PsiDirectory myTargetDirectory; private boolean myFileCopy = false; public CopyFilesOrDirectoriesDialog(PsiElement[] elements, PsiDirectory defaultTargetDirectory, Project project, boolean doClone) { super(project, true); myProject = project; myShowDirectoryField = !doClone; myShowNewNameField = elements.length == 1; if (doClone && elements.length != 1) { throw new IllegalArgumentException("wrong number of elements to clone: " + elements.length); } setTitle(RefactoringBundle.message(doClone ? "copy.files.clone.title" : "copy.files.copy.title")); init(); if (elements.length == 1) { String text; if (elements[0] instanceof PsiFile) { PsiFile file = (PsiFile) elements[0]; String url = shortenPath(file.getVirtualFile()); text = RefactoringBundle.message(doClone ? "copy.files.clone.file.0" : "copy.files.copy.file.0", url); final String fileName = file.getName(); myNewNameField.setText(fileName); final int dotIdx = fileName.lastIndexOf("."); if (dotIdx > -1) { myNewNameField.select(0, dotIdx); myNewNameField.putClientProperty(DialogWrapperPeer.HAVE_INITIAL_SELECTION, true); } myFileCopy = true; } else { PsiDirectory directory = (PsiDirectory) elements[0]; String url = shortenPath(directory.getVirtualFile()); text = RefactoringBundle .message(doClone ? "copy.files.clone.directory.0" : "copy.files.copy.directory.0", url); myNewNameField.setText(directory.getName()); } myInformationLabel.setText(text); } else { setMultipleElementCopyLabel(elements); } boolean allBinary = true; for (PsiElement element : elements) { if (!(element.getContainingFile() instanceof PsiBinaryFile)) { allBinary = false; break; } } if (allBinary) { myOpenFilesInEditor.setVisible(false); } if (myShowDirectoryField) { String targetPath = defaultTargetDirectory == null ? "" : defaultTargetDirectory.getVirtualFile().getPresentableUrl(); myTargetDirectoryField.getChildComponent().setText(targetPath); } validateOKButton(); } private void setMultipleElementCopyLabel(PsiElement[] elements) { boolean allFiles = true; boolean allDirectories = true; for (PsiElement element : elements) { if (element instanceof PsiDirectory) { allFiles = false; } else { allDirectories = false; } } if (allFiles) { myInformationLabel.setText(RefactoringBundle.message("copy.files.copy.specified.files.label")); } else if (allDirectories) { myInformationLabel.setText(RefactoringBundle.message("copy.files.copy.specified.directories.label")); } else { myInformationLabel.setText(RefactoringBundle.message("copy.files.copy.specified.mixed.label")); } } @Override @NotNull protected Action[] createActions() { return new Action[] { getOKAction(), getCancelAction(), getHelpAction() }; } @Override public JComponent getPreferredFocusedComponent() { return myShowNewNameField ? myNewNameField : myTargetDirectoryField.getChildComponent(); } @Override protected JComponent createCenterPanel() { return new JPanel(new BorderLayout()); } @Override protected JComponent createNorthPanel() { myInformationLabel = JBLabelDecorator.createJBLabelDecorator().setBold(true); final FormBuilder formBuilder = FormBuilder.createFormBuilder().addComponent(myInformationLabel) .addVerticalGap(UIUtil.LARGE_VGAP - UIUtil.DEFAULT_VGAP); DocumentListener documentListener = new DocumentAdapter() { @Override public void textChanged(DocumentEvent event) { validateOKButton(); } }; if (myShowNewNameField) { myNewNameField = new JTextField(); myNewNameField.getDocument().addDocumentListener(documentListener); formBuilder.addLabeledComponent(RefactoringBundle.message("copy.files.new.name.label"), myNewNameField); } if (myShowDirectoryField) { myTargetDirectoryField = new TextFieldWithHistoryWithBrowseButton(); myTargetDirectoryField.setTextFieldPreferredWidth(MAX_PATH_LENGTH); final List<String> recentEntries = RecentsManager.getInstance(myProject).getRecentEntries(RECENT_KEYS); if (recentEntries != null) { myTargetDirectoryField.getChildComponent().setHistory(recentEntries); } final FileChooserDescriptor descriptor = FileChooserDescriptorFactory.createSingleFolderDescriptor(); myTargetDirectoryField.addBrowseFolderListener(RefactoringBundle.message("select.target.directory"), RefactoringBundle.message("the.file.will.be.copied.to.this.directory"), myProject, descriptor, TextComponentAccessor.TEXT_FIELD_WITH_HISTORY_WHOLE_TEXT); myTargetDirectoryField.getChildComponent().addDocumentListener(new DocumentAdapter() { @Override protected void textChanged(DocumentEvent e) { validateOKButton(); } }); formBuilder.addLabeledComponent(RefactoringBundle.message("copy.files.to.directory.label"), myTargetDirectoryField); String shortcutText = KeymapUtil.getFirstKeyboardShortcutText( ActionManager.getInstance().getAction(IdeActions.ACTION_CODE_COMPLETION)); formBuilder.addTooltip(RefactoringBundle.message("path.completion.shortcut", shortcutText)); } final JPanel wrapper = new JPanel(new BorderLayout()); wrapper.add(myOpenFilesInEditor, BorderLayout.EAST); formBuilder.addComponent(wrapper); return formBuilder.getPanel(); } public PsiDirectory getTargetDirectory() { return myTargetDirectory; } public String getNewName() { return myNewNameField != null ? myNewNameField.getText().trim() : null; } public boolean openInEditor() { return myOpenFilesInEditor.isSelected(); } @Override protected void doOKAction() { if (myShowNewNameField) { String newName = getNewName(); if (newName.length() == 0) { Messages.showErrorDialog(myProject, RefactoringBundle.message("no.new.name.specified"), RefactoringBundle.message("error.title")); return; } if (myFileCopy && !PathUtil.isValidFileName(newName)) { Messages.showErrorDialog(myNewNameField, "Name is not a valid file name"); return; } } saveOpenInEditorState(myOpenFilesInEditor.isSelected()); if (myShowDirectoryField) { final String targetDirectoryName = myTargetDirectoryField.getChildComponent().getText(); if (targetDirectoryName.length() == 0) { Messages.showErrorDialog(myProject, RefactoringBundle.message("no.target.directory.specified"), RefactoringBundle.message("error.title")); return; } RecentsManager.getInstance(myProject).registerRecentEntry(RECENT_KEYS, targetDirectoryName); CommandProcessor.getInstance().executeCommand(myProject, new Runnable() { @Override public void run() { ApplicationManager.getApplication().runWriteAction(new Runnable() { @Override public void run() { try { myTargetDirectory = DirectoryUtil.mkdirs(PsiManager.getInstance(myProject), targetDirectoryName.replace(File.separatorChar, '/')); } catch (IncorrectOperationException ignored) { } } }); } }, RefactoringBundle.message("create.directory"), null); if (myTargetDirectory == null) { Messages.showErrorDialog(myProject, RefactoringBundle.message("cannot.create.directory"), RefactoringBundle.message("error.title")); return; } } super.doOKAction(); } private void validateOKButton() { if (myShowDirectoryField) { if (myTargetDirectoryField.getChildComponent().getText().length() == 0) { setOKActionEnabled(false); return; } } if (myShowNewNameField) { final String newName = getNewName(); if (newName.length() == 0 || myFileCopy && !PathUtil.isValidFileName(newName)) { setOKActionEnabled(false); return; } } setOKActionEnabled(true); } @Override protected void doHelpAction() { HelpManager.getInstance().invokeHelp("refactoring.copyClass"); } }