public Component getPreview(WebLookAndFeelDemo owner) {
// Simple decorated file breadcrumb (by default file system root is used)
WebFileBreadcrumb dfb = new WebFileBreadcrumb(FileUtils.getDiskRoots()[0]);
// Simple decorated file breadcrumb (by default file system root is used)
WebFileBreadcrumb sfb = new WebFileBreadcrumb();
// Simple undecorated file breadcrumb (user home used as root
WebFileBreadcrumb hfb = new WebFileBreadcrumb(FileUtils.getUserHomePath(), false);
hfb.setEncloseLastElement(true);
return new GroupPanel(4, false, new GroupPanel(dfb), new GroupPanel(sfb), new GroupPanel(hfb));
}
/**
* This custom component provides a directory chooser functionality. It similar to file chooser
* component but has its own unique interface and doesn't need a lot of configuring to use.
*
* @author Mikle Garin
*/
public class WebDirectoryChooserPanel extends WebPanel {
/** Used icons. */
protected static final ImageIcon FOLDER_UP_ICON =
new ImageIcon(WebDirectoryChooserPanel.class.getResource("icons/folder_up.png"));
protected static final ImageIcon FOLDER_HOME_ICON =
new ImageIcon(WebDirectoryChooserPanel.class.getResource("icons/folder_home.png"));
protected static final ImageIcon FOLDER_NEW_ICON =
new ImageIcon(WebDirectoryChooserPanel.class.getResource("icons/folder_new.png"));
protected static final ImageIcon REFRESH_ICON =
new ImageIcon(WebDirectoryChooserPanel.class.getResource("icons/refresh.png"));
protected static final ImageIcon REMOVE_ICON =
new ImageIcon(WebDirectoryChooserPanel.class.getResource("icons/remove.png"));
/** Directory chooser listeners. */
protected List<DirectoryChooserListener> listeners = new ArrayList<DirectoryChooserListener>(1);
/** Currently selected directory. */
protected File selectedDirectory = FileUtils.getDiskRoots()[0];
/** File filter. */
protected AbstractFileFilter filter = GlobalConstants.NON_HIDDEN_DIRECTORIES_FILTER;
/** Toolbar components. */
protected WebButton folderUp;
protected WebButton folderHome;
protected WebButton folderNew;
protected WebButton refresh;
protected WebButton remove;
/** Path field. */
protected WebPathField webPathField;
/** File tree. */
protected WebFileTree fileTree;
protected TreeSelectionListener fileTreeListener;
/** Constructs new directory chooser panel. */
public WebDirectoryChooserPanel() {
super();
// Panel settings
setOpaque(true);
// Controls pane
final WebToolBar contolsToolbar = new WebToolBar(WebToolBar.HORIZONTAL);
contolsToolbar.setToolbarStyle(ToolbarStyle.attached);
contolsToolbar.setFloatable(false);
folderUp = new WebButton(FOLDER_UP_ICON);
folderUp.setLanguage("weblaf.ex.dirchooser.folderup");
folderUp
.addHotkey(WebDirectoryChooserPanel.this, Hotkey.ALT_UP)
.setHotkeyDisplayWay(TooltipWay.down);
folderUp.setRolloverDecoratedOnly(true);
folderUp.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
if (selectedDirectory != null) {
updateSelectedDirectory(selectedDirectory.getParentFile(), true, true);
}
}
});
contolsToolbar.add(folderUp);
folderHome = new WebButton(FOLDER_HOME_ICON);
folderHome.setLanguage("weblaf.ex.dirchooser.home");
folderHome
.addHotkey(WebDirectoryChooserPanel.this, Hotkey.ALT_H)
.setHotkeyDisplayWay(TooltipWay.trailing);
folderHome.setRolloverDecoratedOnly(true);
folderHome.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
updateSelectedDirectory(FileUtils.getUserHome(), true, true);
}
});
contolsToolbar.add(folderHome);
contolsToolbar.addSeparator();
for (final File file : FileTreeRootType.drives.getRoots()) {
final WebButton root = new WebButton(FileUtils.getFileIcon(file));
TooltipManager.setTooltip(root, FileUtils.getDisplayFileName(file));
root.setRolloverDecoratedOnly(true);
root.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
updateSelectedDirectory(file, true, true);
}
});
contolsToolbar.add(root);
}
refresh = new WebButton(REFRESH_ICON);
refresh.setLanguage("weblaf.ex.dirchooser.refresh");
refresh
.addHotkey(WebDirectoryChooserPanel.this, Hotkey.F5)
.setHotkeyDisplayWay(TooltipWay.leading);
refresh.setRolloverDecoratedOnly(true);
refresh.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
if (selectedDirectory != null) {
fileTree.reloadChilds(selectedDirectory);
} else {
fileTree.reloadRootNode();
}
}
});
contolsToolbar.add(refresh, ToolbarLayout.END);
folderNew = new WebButton(FOLDER_NEW_ICON);
folderNew.setLanguage("weblaf.ex.dirchooser.newfolder");
folderNew
.addHotkey(WebDirectoryChooserPanel.this, Hotkey.CTRL_N)
.setHotkeyDisplayWay(TooltipWay.down);
folderNew.setRolloverDecoratedOnly(true);
folderNew.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
if (selectedDirectory != null) {
final String defaultName = LanguageManager.get("weblaf.ex.dirchooser.newfolder.name");
final String freeName = FileUtils.getAvailableName(selectedDirectory, defaultName);
final File file = new File(selectedDirectory, freeName);
if (file.mkdir()) {
// Updating filestree
fileTree.addFile(selectedDirectory, file);
// Editing added folder name
fileTree.startEditingFile(file);
} else {
final String message =
LanguageManager.get("weblaf.ex.dirchooser.newfolder.error.text");
final String title =
LanguageManager.get("weblaf.ex.dirchooser.newfolder.error.title");
WebOptionPane.showMessageDialog(
WebDirectoryChooserPanel.this, message, title, WebOptionPane.ERROR_MESSAGE);
}
}
}
});
contolsToolbar.add(folderNew, ToolbarLayout.END);
remove = new WebButton(REMOVE_ICON);
remove.setLanguage("weblaf.ex.dirchooser.delete");
remove
.addHotkey(WebDirectoryChooserPanel.this, Hotkey.DELETE)
.setHotkeyDisplayWay(TooltipWay.down);
remove.setRolloverDecoratedOnly(true);
remove.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
final File file = fileTree.getSelectedFile();
if (file == null) {
return;
}
// Displaying delete confirmation
final String message = LanguageManager.get("weblaf.ex.dirchooser.delete.confirm.text");
final String title = LanguageManager.get("weblaf.ex.dirchooser.delete.confirm.title");
final int confirm =
WebOptionPane.showConfirmDialog(
WebDirectoryChooserPanel.this,
message,
title,
WebOptionPane.YES_NO_OPTION,
WebOptionPane.QUESTION_MESSAGE);
// Proceed if delete was confirmed
if (confirm == WebOptionPane.YES_OPTION) {
// Retrieving index of deleted file node in parent node
final FileTreeNode parentNode = fileTree.getSelectedNode().getParent();
final int index = parentNode.indexOfFileChild(file);
final int count = parentNode.getChildCount();
// Removing file
FileUtils.deleteFile(file);
fileTree.removeFile(file);
// Restoring selection
fileTree.setSelectedNode(
count == 1
? parentNode
: (index < count - 1
? parentNode.getChildAt(index)
: parentNode.getChildAt(index - 1)));
}
}
});
contolsToolbar.add(remove, ToolbarLayout.END);
// Path field
webPathField = new WebPathField(selectedDirectory);
webPathField.setFileFilter(filter);
webPathField.addPathFieldListener(
new PathFieldListener() {
@Override
public void directoryChanged(final File newDirectory) {
updateSelectedDirectory(webPathField.getSelectedPath(), false, true);
}
});
// Files tree
fileTree = new WebFileTree(FileTreeRootType.drives);
fileTree.setVisibleRowCount(15);
fileTree.setFileFilter(filter);
fileTree.setSelectedFile(selectedDirectory, true);
fileTree.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
fileTree.setEditable(true);
// Selected directory update
fileTreeListener =
new TreeSelectionListener() {
@Override
public void valueChanged(final TreeSelectionEvent e) {
updateSelectedDirectory(fileTree.getSelectedFile(), true, false);
}
};
fileTree.addTreeSelectionListener(fileTreeListener);
// Toolbar update
fileTree.addTreeSelectionListener(
new TreeSelectionListener() {
@Override
public void valueChanged(final TreeSelectionEvent e) {
updateToolbarControlsState();
}
});
// Tree scroll
final WebScrollPane treeScroll = new WebScrollPane(fileTree);
treeScroll.setPreferredWidth(400);
// Panel content
setLayout(new BorderLayout(0, 3));
add(contolsToolbar, BorderLayout.NORTH);
final WebPanel panel = new WebPanel(new BorderLayout(0, 1));
panel.setMargin(0, 3, 2, 3);
panel.add(webPathField, BorderLayout.NORTH);
panel.add(treeScroll, BorderLayout.CENTER);
add(panel, BorderLayout.CENTER);
updateSelectedDirectory(null, true, true);
updateToolbarControlsState();
}
/** Updates toolbar controls state. */
protected void updateToolbarControlsState() {
final File selectedFile = fileTree.getSelectedFile();
folderUp.setEnabled(selectedFile != null && selectedFile.getParentFile() != null);
folderNew.setEnabled(selectedFile != null && selectedFile.canWrite());
remove.setEnabled(
selectedFile != null && selectedFile.getParentFile() != null && selectedFile.canWrite());
}
/**
* Updates currently selected directory.
*
* @param directory directory to select
* @param updatePath whether to update path field or not
* @param updateTree whether to update file tree or not
*/
protected void updateSelectedDirectory(
final File directory, final boolean updatePath, final boolean updateTree) {
this.selectedDirectory = directory;
if (updatePath) {
webPathField.setSelectedPath(directory);
}
if (updateTree) {
if (directory != null) {
fileTree.expandToFile(
directory,
false,
true,
new Runnable() {
@Override
public void run() {
fileTree.removeTreeSelectionListener(fileTreeListener);
fileTree.setSelectedNode(fileTree.getNode(directory));
fileTree.addTreeSelectionListener(fileTreeListener);
}
});
} else {
fileTree.clearSelection();
fileTree.scrollToStart();
}
}
fireSelectionChanged(this.selectedDirectory);
}
/**
* Returns directory chooser file filter.
*
* @return directory chooser file filter
*/
public AbstractFileFilter getFilter() {
return filter;
}
/**
* Sets directory chooser file filter.
*
* @param filter directory chooser file filter
*/
public void setFilter(final AbstractFileFilter filter) {
this.filter = filter;
fileTree.setFileFilter(filter);
}
/**
* Returns currently selected directory.
*
* @return currently selected directory
*/
public File getSelectedDirectory() {
return selectedDirectory;
}
/**
* Sets currently selected directory.
*
* @param selectedDirectory currently selected directory
*/
public void setSelectedDirectory(final File selectedDirectory) {
updateSelectedDirectory(selectedDirectory, true, true);
}
/**
* Returns whether hotkeys are allowed or not.
*
* @return true if hotkeys are allowed, false otherwise
*/
public boolean allowHotkeys() {
// todo Remove this when hotkeys system will get updated
return !fileTree.isEditing() && !webPathField.isEditing() /*&& !fileList.isEditing()*/;
}
/**
* Adds directory chooser listener.
*
* @param listener directory chooser listener to add
*/
public void addDirectoryChooserListener(final DirectoryChooserListener listener) {
listeners.add(listener);
}
/**
* Removes directory chooser listener.
*
* @param listener directory chooser listener to remove
*/
public void removeDirectoryChooserListener(final DirectoryChooserListener listener) {
listeners.remove(listener);
}
/**
* Fires when directory selection changed.
*
* @param file newly selected directory
*/
protected void fireSelectionChanged(final File file) {
for (final DirectoryChooserListener listener : CollectionUtils.copy(listeners)) {
listener.selectionChanged(file);
}
}
}