+++ /dev/null
-/*
- * Jexer - Java Text User Interface
- *
- * The MIT License (MIT)
- *
- * Copyright (C) 2019 Kevin Lamonte
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * @author Kevin Lamonte [kevin.lamonte@gmail.com]
- * @version 1
- */
-package jexer;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.List;
-import java.util.ResourceBundle;
-
-import jexer.backend.SwingTerminal;
-import jexer.bits.GraphicsChars;
-import jexer.event.TKeypressEvent;
-import jexer.ttree.TDirectoryTreeItem;
-import jexer.ttree.TTreeItem;
-import jexer.ttree.TTreeViewWidget;
-import static jexer.TKeypress.*;
-
-/**
- * TFileOpenBox is a system-modal dialog for selecting a file to open. Call
- * it like:
- *
- * <pre>
- * {@code
- * filename = fileOpenBox("/path/to/file.ext",
- * TFileOpenBox.Type.OPEN);
- * if (filename != null) {
- * ... the user selected a file, go open it ...
- * }
- * }
- * </pre>
- *
- */
-public class TFileOpenBox extends TWindow {
-
- /**
- * Translated strings.
- */
- private static final ResourceBundle i18n = ResourceBundle.getBundle(TFileOpenBox.class.getName());
-
- // ------------------------------------------------------------------------
- // Constants --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * TFileOpenBox can be called for either Open or Save actions.
- */
- public enum Type {
- /**
- * Button will be labeled "Open".
- */
- OPEN,
-
- /**
- * Button will be labeled "Save".
- */
- SAVE,
-
- /**
- * Button will be labeled "Select".
- */
- SELECT
- }
-
- // ------------------------------------------------------------------------
- // Variables --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * String to return, or null if the user canceled.
- */
- private String filename = null;
-
- /**
- * The left-side tree view pane.
- */
- private TTreeViewWidget treeView;
-
- /**
- * The data behind treeView.
- */
- private TDirectoryTreeItem treeViewRoot;
-
- /**
- * The right-side directory list pane.
- */
- private TDirectoryList directoryList;
-
- /**
- * The top row text field.
- */
- private TField entryField;
-
- /**
- * The Open or Save button.
- */
- private TButton openButton;
-
- /**
- * The type of box this is (OPEN, SAVE, or SELECT).
- */
- private Type type = Type.OPEN;
-
- // ------------------------------------------------------------------------
- // Constructors -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Public constructor. The file open box will be centered on screen.
- *
- * @param application the TApplication that manages this window
- * @param path path of selected file
- * @param type one of the Type constants
- * @throws IOException of a java.io operation throws
- */
- public TFileOpenBox(final TApplication application, final String path,
- final Type type) throws IOException {
-
- this(application, path, type, null);
- }
-
- /**
- * Public constructor. The file open box will be centered on screen.
- *
- * @param application the TApplication that manages this window
- * @param path path of selected file
- * @param type one of the Type constants
- * @param filters a list of strings that files must match to be displayed
- * @throws IOException of a java.io operation throws
- */
- public TFileOpenBox(final TApplication application, final String path,
- final Type type, final List<String> filters) throws IOException {
-
- // Register with the TApplication
- super(application, "", 0, 0, 76, 22, MODAL);
-
- // Add text field
- entryField = addField(1, 1, getWidth() - 4, false,
- (new File(path)).getCanonicalPath(),
- new TAction() {
- public void DO() {
- try {
- checkFilename(entryField.getText());
- } catch (IOException e) {
- // If the backend is Swing, we can emit the stack
- // trace to stderr. Otherwise, just squash it.
- if (getScreen() instanceof SwingTerminal) {
- e.printStackTrace();
- }
- }
- }
- }, null);
- entryField.onKeypress(new TKeypressEvent(kbEnd));
-
- // Add directory treeView
- treeView = addTreeViewWidget(1, 3, 30, getHeight() - 6,
- new TAction() {
- public void DO() {
- TTreeItem item = treeView.getSelected();
- File selectedDir = ((TDirectoryTreeItem) item).getFile();
- try {
- directoryList.setPath(selectedDir.getCanonicalPath());
- entryField.setText(selectedDir.getCanonicalPath());
- if (type == Type.OPEN) {
- openButton.setEnabled(false);
- }
- activate(treeView);
- } catch (IOException e) {
- // If the backend is Swing, we can emit the stack
- // trace to stderr. Otherwise, just squash it.
- if (getScreen() instanceof SwingTerminal) {
- e.printStackTrace();
- }
- }
- }
- }
- );
- treeViewRoot = new TDirectoryTreeItem(treeView, path, true);
-
- // Add directory files list
- directoryList = addDirectoryList(path, 34, 3, 28, getHeight() - 6,
- new TAction() {
- public void DO() {
- try {
- File newPath = directoryList.getPath();
- entryField.setText(newPath.getCanonicalPath());
- entryField.onKeypress(new TKeypressEvent(kbEnd));
- openButton.setEnabled(true);
- activate(entryField);
- checkFilename(entryField.getText());
- } catch (IOException e) {
- // If the backend is Swing, we can emit the stack
- // trace to stderr. Otherwise, just squash it.
- if (getScreen() instanceof SwingTerminal) {
- e.printStackTrace();
- }
- }
- }
- },
- new TAction() {
- public void DO() {
- try {
- File newPath = directoryList.getPath();
- entryField.setText(newPath.getCanonicalPath());
- entryField.onKeypress(new TKeypressEvent(kbEnd));
- openButton.setEnabled(true);
- activate(entryField);
- } catch (IOException e) {
- // If the backend is Swing, we can emit the stack
- // trace to stderr. Otherwise, just squash it.
- if (getScreen() instanceof SwingTerminal) {
- e.printStackTrace();
- }
- }
- }
- },
- filters);
-
- String openLabel = "";
- switch (type) {
- case OPEN:
- openLabel = i18n.getString("openButton");
- setTitle(i18n.getString("openTitle"));
- break;
- case SAVE:
- openLabel = i18n.getString("saveButton");
- setTitle(i18n.getString("saveTitle"));
- break;
- case SELECT:
- openLabel = i18n.getString("selectButton");
- setTitle(i18n.getString("selectTitle"));
- break;
- default:
- throw new IllegalArgumentException("Invalid type: " + type);
- }
- this.type = type;
-
- // Setup button actions
- openButton = addButton(openLabel, this.getWidth() - 12, 3,
- new TAction() {
- public void DO() {
- try {
- checkFilename(entryField.getText());
- } catch (IOException e) {
- // If the backend is Swing, we can emit the stack
- // trace to stderr. Otherwise, just squash it.
- if (getScreen() instanceof SwingTerminal) {
- e.printStackTrace();
- }
- }
- }
- }
- );
- if (type == Type.OPEN) {
- openButton.setEnabled(false);
- }
-
- addButton(i18n.getString("cancelButton"), getWidth() - 12, 5,
- new TAction() {
- public void DO() {
- filename = null;
- getApplication().closeWindow(TFileOpenBox.this);
- }
- }
- );
-
- // Default to the directory list
- activate(directoryList);
-
- // Set the secondaryFiber to run me
- getApplication().enableSecondaryEventReceiver(this);
-
- // Yield to the secondary thread. When I come back from the
- // constructor response will already be set.
- getApplication().yield();
- }
-
- // ------------------------------------------------------------------------
- // Event handlers ---------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Handle keystrokes.
- *
- * @param keypress keystroke event
- */
- @Override
- public void onKeypress(final TKeypressEvent keypress) {
- // Escape - behave like cancel
- if (keypress.equals(kbEsc)) {
- // Close window
- filename = null;
- getApplication().closeWindow(this);
- return;
- }
-
- if (treeView.isActive()) {
- if ((keypress.equals(kbEnter))
- || (keypress.equals(kbUp))
- || (keypress.equals(kbDown))
- || (keypress.equals(kbPgUp))
- || (keypress.equals(kbPgDn))
- || (keypress.equals(kbHome))
- || (keypress.equals(kbEnd))
- ) {
- // Tree view will be changing, update the directory list.
- super.onKeypress(keypress);
-
- // This is the same action as treeView's enter.
- TTreeItem item = treeView.getSelected();
- File selectedDir = ((TDirectoryTreeItem) item).getFile();
- try {
- directoryList.setPath(selectedDir.getCanonicalPath());
- if (type == Type.OPEN) {
- openButton.setEnabled(false);
- }
- activate(treeView);
- } catch (IOException e) {
- // If the backend is Swing, we can emit the stack trace
- // to stderr. Otherwise, just squash it.
- if (getScreen() instanceof SwingTerminal) {
- e.printStackTrace();
- }
- }
- return;
- }
- }
-
- // Pass to my parent
- super.onKeypress(keypress);
- }
-
- // ------------------------------------------------------------------------
- // TWidget ----------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Draw me on screen.
- */
- @Override
- public void draw() {
- super.draw();
- vLineXY(33, 4, getHeight() - 6, GraphicsChars.WINDOW_SIDE,
- getBackground());
- }
-
- // ------------------------------------------------------------------------
- // TFileOpenBox -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Get the return string.
- *
- * @return the filename the user selected, or null if they canceled.
- */
- public String getFilename() {
- return filename;
- }
-
- /**
- * See if there is a valid filename to return. If the filename is a
- * directory, then
- *
- * @param newFilename the filename to check and return
- * @throws IOException of a java.io operation throws
- */
- private void checkFilename(final String newFilename) throws IOException {
- File newFile = new File(newFilename);
- if (newFile.exists()) {
- if (newFile.isFile() || (type == Type.SELECT)) {
- filename = newFilename;
- getApplication().closeWindow(this);
- return;
- }
- if (newFile.isDirectory()) {
- treeViewRoot = new TDirectoryTreeItem(treeView,
- newFilename, true);
- treeView.setTreeRoot(treeViewRoot, true);
- if (type == Type.OPEN) {
- openButton.setEnabled(false);
- }
- directoryList.setPath(newFilename);
- }
- } else if (type != Type.OPEN) {
- filename = newFilename;
- getApplication().closeWindow(this);
- return;
- }
- }
-
-}
git://git.nikiroo.be / fanfix.git / blobdiff