private void bookRename(final File file) {
final EditText etNewName = new EditText(this);
etNewName.setText(BookUtil.getFileName(file));
new AlertDialog.Builder(this)
.setTitle("重命名")
.setView(etNewName)
.setPositiveButton(
"确定",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String oldName = file.getAbsolutePath().toString();
String newName =
oldName.substring(0, oldName.lastIndexOf("/") + 1)
+ etNewName.getText().toString()
+ "."
+ BookUtil.getFileType(file);
file.renameTo(new File(newName));
openDb();
db.execSQL("insert into book_list(bookname)values('" + newName + "');");
db.delete("book_list", "bookname = ?", new String[] {oldName});
initBookList();
bookAdapter.notifyDataSetChanged();
}
})
.setNegativeButton("取消", null)
.show();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
Context context = getApplicationContext();
LinearLayout view = new LinearLayout(context);
ImageView img = new ImageView(context);
img.setImageResource(R.drawable.book);
TextView textView = new TextView(context);
textView.setText(BookUtil.getFileName(bookList.get(position)));
textView.setGravity(Gravity.CENTER);
textView.setTextColor(getResources().getColor(R.color.black));
view.setOrientation(LinearLayout.VERTICAL);
view.addView(img, LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);
view.addView(textView, LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);
return view;
}
public String getBookHash() {
final UID uid = BookUtil.createSHA256Uid(getReader().Model.Book.File);
return uid != null ? uid.Id : null;
}
private void build() {
// Step 0: get database books marked as "existing"
final FileInfoSet fileInfos = new FileInfoSet(myDatabase);
final Map<Long, Book> savedBooksByFileId = myDatabase.loadBooks(fileInfos, true);
final Map<Long, Book> savedBooksByBookId = new HashMap<Long, Book>();
for (Book b : savedBooksByFileId.values()) {
savedBooksByBookId.put(b.getId(), b);
}
// Step 1: check if files corresponding to "existing" books really exists;
// add books to library if yes (and reload book info if needed);
// remove from recent/favorites list if no;
// collect newly "orphaned" books
final Set<Book> orphanedBooks = new HashSet<Book>();
final Set<ZLPhysicalFile> physicalFiles = new HashSet<ZLPhysicalFile>();
int count = 0;
for (Book book : savedBooksByFileId.values()) {
final ZLPhysicalFile file = book.File.getPhysicalFile();
if (file != null) {
physicalFiles.add(file);
}
if (file != book.File && file != null && file.getPath().endsWith(".epub")) {
continue;
}
if (book.File.exists()) {
boolean doAdd = true;
if (file == null) {
continue;
}
if (!fileInfos.check(file, true)) {
try {
book.readMetaInfo();
saveBook(book, false);
} catch (BookReadingException e) {
doAdd = false;
}
file.setCached(false);
}
if (doAdd) {
// loaded from db
addBook(book, false);
}
} else {
orphanedBooks.add(book);
}
}
myDatabase.setExistingFlag(orphanedBooks, false);
// Step 2: collect books from physical files; add new, update already added,
// unmark orphaned as existing again, collect newly added
final Map<Long, Book> orphanedBooksByFileId = myDatabase.loadBooks(fileInfos, false);
final Set<Book> newBooks = new HashSet<Book>();
final List<ZLPhysicalFile> physicalFilesList = collectPhysicalFiles(BookDirectories);
for (ZLPhysicalFile file : physicalFilesList) {
if (physicalFiles.contains(file)) {
continue;
}
collectBooks(
file,
fileInfos,
savedBooksByFileId,
orphanedBooksByFileId,
newBooks,
!fileInfos.check(file, true));
file.setCached(false);
}
// Step 3: add help file
try {
final ZLFile helpFile = BookUtil.getHelpFile();
Book helpBook = savedBooksByFileId.get(fileInfos.getId(helpFile));
if (helpBook == null) {
helpBook = new Book(helpFile);
}
saveBook(helpBook, false);
// saved
addBook(helpBook, false);
} catch (BookReadingException e) {
// that's impossible
e.printStackTrace();
}
// Step 4: save changes into database
fileInfos.save();
myDatabase.executeAsTransaction(
new Runnable() {
public void run() {
for (Book book : newBooks) {
saveBook(book, false);
}
}
});
myDatabase.setExistingFlag(newBooks, true);
}
