public void onClick(FileItem source) {
// Verify if the item is a folder.
File file = source.getFile();
if (file.isDirectory()) {
// Open the folder.
FileChooserCore.this.loadFolder(file);
} else {
// Notify the listeners.
FileChooserCore.this.notifyListeners(file, null);
}
}
/**
* Loads all the files of a folder in the file chooser.
*
* <p>If no path is specified ('folder' is null) the root folder of the SD card is going to be
* used.
*
* @param folder The folder.
*/
public void loadFolder(File folder) {
// Remove previous files.
LinearLayout root = this.chooser.getRootLayout();
LinearLayout layout = (LinearLayout) root.findViewById(R.id.linearLayoutFiles);
layout.removeAllViews();
// Get the file path.
if (folder == null || !folder.exists()) {
if (defaultFolder != null) {
this.currentFolder = defaultFolder;
} else {
this.currentFolder = Environment.getExternalStorageDirectory();
}
} else {
this.currentFolder = folder;
}
// Verify if the path exists.
if (this.currentFolder.exists() && layout != null) {
List<FileItem> fileItems = new LinkedList<FileItem>();
// Add the parent folder.
if (this.currentFolder.getParent() != null) {
File parent = new File(this.currentFolder.getParent());
if (parent.exists()) {
fileItems.add(new FileItem(this.chooser.getContext(), parent, ".."));
}
}
// Verify if the file is a directory.
if (this.currentFolder.isDirectory()) {
// Get the folder's files.
File[] fileList = this.currentFolder.listFiles();
if (fileList != null) {
// Order the files alphabetically and separating folders from files.
Arrays.sort(
fileList,
new Comparator<File>() {
public int compare(File file1, File file2) {
if (file1 != null && file2 != null) {
if (file1.isDirectory() && (!file2.isDirectory())) return -1;
if (file2.isDirectory() && (!file1.isDirectory())) return 1;
return file1.getName().compareTo(file2.getName());
}
return 0;
}
});
// Iterate all the files in the folder.
for (int i = 0; i < fileList.length; i++) {
// Verify if file can be selected (is a directory or folder mode is not activated and
// the file pass the filter, if defined).
boolean selectable = true;
if (!fileList[i].isDirectory()) {
selectable =
!this.folderMode
&& (this.filter == null || fileList[i].getName().matches(this.filter));
}
// Verify if the file must be show.
if (selectable || !this.showOnlySelectable) {
// Create the file item and add it to the list.
FileItem fileItem = new FileItem(this.chooser.getContext(), fileList[i]);
fileItem.setSelectable(selectable);
fileItems.add(fileItem);
}
}
}
// Set the name of the current folder.
String currentFolderName =
this.showFullPathInTitle ? this.currentFolder.getPath() : this.currentFolder.getName();
this.chooser.setCurrentFolderName(currentFolderName);
} else {
// The file is not a folder, add only this file.
fileItems.add(new FileItem(this.chooser.getContext(), this.currentFolder));
}
// Add click listener and add the FileItem objects to the layout.
for (int i = 0; i < fileItems.size(); i++) {
fileItems.get(i).addListener(this.fileItemClickListener);
layout.addView(fileItems.get(i));
}
// Refresh default folder.
defaultFolder = this.currentFolder;
}
}