/**
* @param origPath 源图片文件路径
* @param width 缩略图设定宽度
* @param height 缩略图设定高度
* @return 返回缩略图,失败返回null
*/
public Bitmap getImageThumbFromMK(String origPath, int width, int height) {
// 产生缩略图，并把该文件存到指定目录下，更新数据库中图片信息
Bitmap thumbnail = null;
Log.d(TAG, origPath + ":make thumbnail and insert message in database");
ThumbnailCreator mCreator = new ThumbnailCreator(width, height);
thumbnail = mCreator.createThumbnail(origPath);
if (thumbnail == null) {
return null;
}
String name = null;
try {
name = origPath.substring(origPath.lastIndexOf("/") + 1, origPath.lastIndexOf("."));
} catch (IndexOutOfBoundsException e) {
e.printStackTrace();
return null;
}
try {
File f = new File(imageDB.getAppDir() + "/" + name);
FileOutputStream fOut = null;
fOut = new FileOutputStream(f);
thumbnail.compress(Bitmap.CompressFormat.JPEG, 100, fOut);
fOut.flush();
fOut.close();
imageDB.insert(origPath, f.getPath());
} catch (Exception e) {
// TODO Auto-generated catch block
Log.d(TAG, "create temp file false");
e.printStackTrace();
}
return thumbnail;
}
private View getView_tree(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
int num_items = 0;
String temp = mFileMang.getCurrentDir();
File file = new File(temp + "/" + mDataSource.get(position));
String[] list = file.list();
if (list != null) num_items = list.length;
if (convertView == null) {
LayoutInflater inflater =
(LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(R.layout.tablerow, parent, false);
holder = new ViewHolder();
holder.topView = (TextView) convertView.findViewById(R.id.top_view);
holder.bottomView = (TextView) convertView.findViewById(R.id.bottom_view);
holder.icon = (ImageView) convertView.findViewById(R.id.row_image);
holder.mSelect = (ImageView) convertView.findViewById(R.id.multiselect_icon);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
/* This will check if the thumbnail cache needs to be cleared by checking
* if the user has changed directories. This way the cache wont show
* a wrong thumbnail image for the new image file
*/
if (!dir_name.equals(temp) && thumbnail_flag) {
thumbnail.clearBitmapCache();
dir_name = temp;
}
if (positions != null && positions.contains(position))
holder.mSelect.setVisibility(ImageView.VISIBLE);
else holder.mSelect.setVisibility(ImageView.GONE);
holder.topView.setTextColor(mColor);
holder.bottomView.setTextColor(mColor);
if (file != null && file.isFile()) {
String ext = file.toString();
String sub_ext = ext.substring(ext.lastIndexOf(".") + 1);
/* This series of else if statements will determine which
* icon is displayed
*/
if (TypeFilter.getInstance().isPdfFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.pdf);
} else if (TypeFilter.getInstance().isMusicFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.music);
} else if (TypeFilter.getInstance().isPictureFile(sub_ext)) {
if (thumbnail_flag && file.length() != 0) {
Bitmap thumb = thumbnail.hasBitmapCached(position);
boolean isJPG = false;
if (sub_ext.equalsIgnoreCase("jpeg") || sub_ext.equalsIgnoreCase("jpg")) {
isJPG = true;
}
if (thumb == null) {
holder.icon.setImageResource(R.drawable.image);
final Handler mHandler = new Handler();
thumbnail.setBitmapToImageView(
file.getPath(), mHandler, holder.icon, isJPG, position);
} else {
holder.icon.setImageBitmap(thumb);
}
} else {
holder.icon.setImageResource(R.drawable.image);
}
} else if (TypeFilter.getInstance().isZipFile(sub_ext)
|| TypeFilter.getInstance().isGZipFile(sub_ext)
|| TypeFilter.getInstance().isRarFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.zip);
} else if (TypeFilter.getInstance().isMovieFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.movies);
} else if (TypeFilter.getInstance().isWordFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.word);
} else if (TypeFilter.getInstance().isExcelFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.excel);
} else if (TypeFilter.getInstance().isPptFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.ppt);
} else if (TypeFilter.getInstance().isHtml32File(sub_ext)) {
holder.icon.setImageResource(R.drawable.html32);
} else if (TypeFilter.getInstance().isXml32File(sub_ext)) {
holder.icon.setImageResource(R.drawable.xml32);
} else if (TypeFilter.getInstance().isConfig32File(sub_ext)) {
holder.icon.setImageResource(R.drawable.config32);
} else if (TypeFilter.getInstance().isApkFile(sub_ext)) {
holder.icon.setImageDrawable(getApkIcon(ext, mContext));
} else if (TypeFilter.getInstance().isJarFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.jar32);
} else if (TypeFilter.getInstance().isTxtFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.text);
} else if (TypeFilter.getInstance().isPadFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.text);
} else {
holder.icon.setImageResource(R.drawable.config32);
}
} else if (file != null && file.isDirectory()) {
holder.icon.setImageResource(R.drawable.folder);
} else {
holder.icon.setImageResource(R.drawable.text);
}
String permission = getFilePermissions(file);
if (file.isFile()) {
double size = file.length();
if (size > GB) display_size = String.format("%.2f Gb ", (double) size / GB);
else if (size < GB && size > MG)
display_size = String.format("%.2f Mb ", (double) size / MG);
else if (size < MG && size > KB)
display_size = String.format("%.2f Kb ", (double) size / KB);
else display_size = String.format("%.2f bytes ", (double) size);
if (file.isHidden())
holder.bottomView.setText("(hidden) | " + display_size + " | " + permission);
else holder.bottomView.setText(display_size + " | " + permission);
} else {
if (file.isHidden())
holder.bottomView.setText("(hidden) | " + num_items + " items | " + permission);
else holder.bottomView.setText(num_items + " items | " + permission);
}
holder.topView.setText(file.getName());
return convertView;
}
private View getView_catalog(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
File file = new File(mDataSource.get(position));
if (convertView == null) {
LayoutInflater inflater =
(LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(R.layout.tablerow, parent, false);
holder = new ViewHolder();
holder.topView = (TextView) convertView.findViewById(R.id.top_view);
holder.bottomView = (TextView) convertView.findViewById(R.id.bottom_view);
holder.icon = (ImageView) convertView.findViewById(R.id.row_image);
holder.mSelect = (ImageView) convertView.findViewById(R.id.multiselect_icon);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
if (positions != null && positions.contains(position))
holder.mSelect.setVisibility(ImageView.VISIBLE);
else holder.mSelect.setVisibility(ImageView.GONE);
holder.topView.setTextColor(mColor);
holder.bottomView.setTextColor(mColor);
if (file != null && file.isFile()) {
String ext = file.toString();
String sub_ext = ext.substring(ext.lastIndexOf(".") + 1);
/* This series of else if statements will determine which
* icon is displayed
*/
if (TypeFilter.getInstance().isPdfFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.pdf);
} else if (TypeFilter.getInstance().isMusicFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.music);
} else if (TypeFilter.getInstance().isPictureFile(sub_ext)) {
if (thumbnail_flag && file.length() != 0) {
Bitmap thumb = thumbnail.hasBitmapCached(position);
if (thumb == null) {
holder.icon.setImageResource(R.drawable.image);
final Handler mHandler = new Handler();
boolean isJPG = false;
if (sub_ext.equalsIgnoreCase("jpeg") || sub_ext.equalsIgnoreCase("jpg")) {
isJPG = true;
}
thumbnail.setBitmapToImageView(
file.getPath(), mHandler, holder.icon, isJPG, position);
} else {
holder.icon.setImageBitmap(thumb);
}
} else {
holder.icon.setImageResource(R.drawable.image);
}
} else if (TypeFilter.getInstance().isMovieFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.movies);
} else if (TypeFilter.getInstance().isTxtFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.text);
} else if (TypeFilter.getInstance().isWordFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.word);
} else if (TypeFilter.getInstance().isExcelFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.excel);
} else if (TypeFilter.getInstance().isPptFile(sub_ext)) {
holder.icon.setImageResource(R.drawable.ppt);
} else if (TypeFilter.getInstance().isApkFile(sub_ext)) {
holder.icon.setImageDrawable(getApkIcon(ext, mContext));
} else {
holder.icon.setImageResource(R.drawable.text);
}
}
String permission = getFilePermissions(file);
if (file.isFile()) {
double size = file.length();
if (size > GB) display_size = String.format("%.2f Gb ", (double) size / GB);
else if (size < GB && size > MG)
display_size = String.format("%.2f Mb ", (double) size / MG);
else if (size < MG && size > KB)
display_size = String.format("%.2f Kb ", (double) size / KB);
else display_size = String.format("%.2f bytes ", (double) size);
if (file.isHidden())
holder.bottomView.setText("(hidden) | " + display_size + " | " + permission);
else holder.bottomView.setText(display_size + " | " + permission);
}
holder.topView.setText(file.getName());
return convertView;
}
public void clearThumbnail() {
if (thumbnail_flag) {
thumbnail.clearBitmapCache();
}
}
