+++ /dev/null
-package com.googlecode.lanterna.gui2.dialogs;
-
-import com.googlecode.lanterna.TerminalTextUtils;
-import com.googlecode.lanterna.TerminalSize;
-import com.googlecode.lanterna.gui2.*;
-
-import java.io.File;
-import java.util.Arrays;
-import java.util.Comparator;
-
-/**
- * Dialog that allows the user to iterate the file system and pick file to open/save
- *
- * @author Martin
- */
-public class FileDialog extends DialogWindow {
-
- private final ActionListBox fileListBox;
- private final ActionListBox directoryListBox;
- private final TextBox fileBox;
- private final Button okButton;
- private final boolean showHiddenFilesAndDirs;
-
- private File directory;
- private File selectedFile;
-
- /**
- * Default constructor for {@code FileDialog}
- * @param title Title of the dialog
- * @param description Description of the dialog, is displayed at the top of the content area
- * @param actionLabel Label to use on the "confirm" button, for example "open" or "save"
- * @param dialogSize Rough estimation of how big you want the dialog to be
- * @param showHiddenFilesAndDirs If {@code true}, hidden files and directories will be visible
- * @param selectedObject Initially selected file node
- */
- public FileDialog(
- String title,
- String description,
- String actionLabel,
- TerminalSize dialogSize,
- boolean showHiddenFilesAndDirs,
- File selectedObject) {
- super(title);
- this.selectedFile = null;
- this.showHiddenFilesAndDirs = showHiddenFilesAndDirs;
-
- if(selectedObject == null || !selectedObject.exists()) {
- selectedObject = new File("").getAbsoluteFile();
- }
- selectedObject = selectedObject.getAbsoluteFile();
-
- Panel contentPane = new Panel();
- contentPane.setLayoutManager(new GridLayout(2));
-
- if(description != null) {
- new Label(description)
- .setLayoutData(
- GridLayout.createLayoutData(
- GridLayout.Alignment.BEGINNING,
- GridLayout.Alignment.CENTER,
- false,
- false,
- 2,
- 1))
- .addTo(contentPane);
- }
-
- int unitWidth = dialogSize.getColumns() / 3;
- int unitHeight = dialogSize.getRows();
-
- new FileSystemLocationLabel()
- .setLayoutData(GridLayout.createLayoutData(
- GridLayout.Alignment.FILL,
- GridLayout.Alignment.CENTER,
- true,
- false,
- 2,
- 1))
- .addTo(contentPane);
-
- fileListBox = new ActionListBox(new TerminalSize(unitWidth * 2, unitHeight));
- fileListBox.withBorder(Borders.singleLine())
- .setLayoutData(GridLayout.createLayoutData(
- GridLayout.Alignment.BEGINNING,
- GridLayout.Alignment.CENTER,
- false,
- false))
- .addTo(contentPane);
- directoryListBox = new ActionListBox(new TerminalSize(unitWidth, unitHeight));
- directoryListBox.withBorder(Borders.singleLine())
- .addTo(contentPane);
-
- fileBox = new TextBox()
- .setLayoutData(GridLayout.createLayoutData(
- GridLayout.Alignment.FILL,
- GridLayout.Alignment.CENTER,
- true,
- false,
- 2,
- 1))
- .addTo(contentPane);
-
- new Separator(Direction.HORIZONTAL)
- .setLayoutData(
- GridLayout.createLayoutData(
- GridLayout.Alignment.FILL,
- GridLayout.Alignment.CENTER,
- true,
- false,
- 2,
- 1))
- .addTo(contentPane);
-
- okButton = new Button(actionLabel, new OkHandler());
- Panels.grid(2,
- okButton,
- new Button(LocalizedString.Cancel.toString(), new CancelHandler()))
- .setLayoutData(GridLayout.createLayoutData(GridLayout.Alignment.END, GridLayout.Alignment.CENTER, false, false, 2, 1))
- .addTo(contentPane);
-
- if(selectedObject.isFile()) {
- directory = selectedObject.getParentFile();
- fileBox.setText(selectedObject.getName());
- }
- else if(selectedObject.isDirectory()) {
- directory = selectedObject;
- }
-
- reloadViews(directory);
- setComponent(contentPane);
- }
-
- /**
- * {@inheritDoc}
- * @param textGUI Text GUI to add the dialog to
- * @return The file which was selected in the dialog or {@code null} if the dialog was cancelled
- */
- @Override
- public File showDialog(WindowBasedTextGUI textGUI) {
- selectedFile = null;
- super.showDialog(textGUI);
- return selectedFile;
- }
-
- private class OkHandler implements Runnable {
- @Override
- public void run() {
- if(!fileBox.getText().isEmpty()) {
- selectedFile = new File(directory, fileBox.getText());
- close();
- }
- else {
- MessageDialog.showMessageDialog(getTextGUI(), "Error", "Please select a valid file name", MessageDialogButton.OK);
- }
- }
- }
-
- private class CancelHandler implements Runnable {
- @Override
- public void run() {
- selectedFile = null;
- close();
- }
- }
-
- private class DoNothing implements Runnable {
- @Override
- public void run() {
- }
- }
-
- private void reloadViews(final File directory) {
- directoryListBox.clearItems();
- fileListBox.clearItems();
- File []entries = directory.listFiles();
- if(entries == null) {
- return;
- }
- Arrays.sort(entries, new Comparator<File>() {
- @Override
- public int compare(File o1, File o2) {
- return o1.getName().toLowerCase().compareTo(o2.getName().toLowerCase());
- }
- });
- directoryListBox.addItem("..", new Runnable() {
- @Override
- public void run() {
- FileDialog.this.directory = directory.getAbsoluteFile().getParentFile();
- reloadViews(directory.getAbsoluteFile().getParentFile());
- }
- });
- for(final File entry: entries) {
- if(entry.isHidden() && !showHiddenFilesAndDirs) {
- continue;
- }
- if(entry.isDirectory()) {
- directoryListBox.addItem(entry.getName(), new Runnable() {
- @Override
- public void run() {
- FileDialog.this.directory = entry;
- reloadViews(entry);
- }
- });
- }
- else {
- fileListBox.addItem(entry.getName(), new Runnable() {
- @Override
- public void run() {
- fileBox.setText(entry.getName());
- setFocusedInteractable(okButton);
- }
- });
- }
- }
- if(fileListBox.isEmpty()) {
- fileListBox.addItem("<empty>", new DoNothing());
- }
- }
-
- private class FileSystemLocationLabel extends Label {
- public FileSystemLocationLabel() {
- super("");
- setPreferredSize(TerminalSize.ONE);
- }
-
- @Override
- public void onBeforeDrawing() {
- TerminalSize area = getSize();
- String absolutePath = directory.getAbsolutePath();
- int absolutePathLengthInColumns = TerminalTextUtils.getColumnWidth(absolutePath);
- if(area.getColumns() < absolutePathLengthInColumns) {
- absolutePath = absolutePath.substring(absolutePathLengthInColumns - area.getColumns());
- absolutePath = "..." + absolutePath.substring(Math.min(absolutePathLengthInColumns, 3));
- }
- setText(absolutePath);
- }
- }
-}
git://git.nikiroo.be / jvcard.git / blobdiff