diff options
Diffstat (limited to 'src/cgeo/geocaching/cgFileList.java')
| -rw-r--r-- | src/cgeo/geocaching/cgFileList.java | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/src/cgeo/geocaching/cgFileList.java b/src/cgeo/geocaching/cgFileList.java new file mode 100644 index 0000000..2767cfe --- /dev/null +++ b/src/cgeo/geocaching/cgFileList.java @@ -0,0 +1,260 @@ +package cgeo.geocaching; + +import java.io.File; +import java.util.ArrayList; + +import android.app.Activity; +import android.app.ListActivity; +import android.app.ProgressDialog; +import android.content.DialogInterface; +import android.content.res.Resources; +import android.os.Bundle; +import android.os.Environment; +import android.os.Handler; +import android.os.Message; +import android.util.Log; +import android.view.View; +import android.widget.ArrayAdapter; + +public abstract class cgFileList<T extends ArrayAdapter<File>> extends ListActivity { + + private ArrayList<File> files = new ArrayList<File>(); + private cgeoapplication app = null; + private cgSettings settings = null; + private cgBase base = null; + private cgWarning warning = null; + private Activity activity = null; + private T adapter = null; + private ProgressDialog waitDialog = null; + private Resources res = null; + private loadFiles searchingThread = null; + private boolean endSearching = false; + private int listId = 1; + final private Handler changeWaitDialogHandler = new Handler() { + + @Override + public void handleMessage(Message msg) { + if (msg.obj != null && waitDialog != null) { + waitDialog.setMessage(res.getString(R.string.file_searching_in) + " " + (String) msg.obj); + } + } + }; + final private Handler loadFilesHandler = new Handler() { + + @Override + public void handleMessage(Message msg) { + try { + if (files == null || files.isEmpty()) { + if (waitDialog != null) { + waitDialog.dismiss(); + } + + warning.showToast(res.getString(R.string.file_list_no_files)); + + finish(); + return; + } else { + if (adapter != null) { + adapter.notifyDataSetChanged(); + } + } + + if (waitDialog != null) { + waitDialog.dismiss(); + } + } catch (Exception e) { + if (waitDialog != null) { + waitDialog.dismiss(); + } + Log.e(cgSettings.tag, "cgFileList.loadFilesHandler: " + e.toString()); + } + } + }; + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + // init + activity = this; + res = this.getResources(); + app = (cgeoapplication) this.getApplication(); + settings = new cgSettings(this, getSharedPreferences(cgSettings.preferences, 0)); + base = new cgBase(app, settings, getSharedPreferences(cgSettings.preferences, 0)); + warning = new cgWarning(this); + + // set layout + if (settings.skin == 1) { + setTheme(R.style.light); + } else { + setTheme(R.style.dark); + } + setContentView(R.layout.gpx); + base.setTitle(activity, res.getString(R.string.gpx_import_title)); + + // google analytics + base.sendAnal(activity, "/file-import"); + + Bundle extras = getIntent().getExtras(); + if (extras != null) { + listId = extras.getInt("list"); + } + if (listId <= 0) { + listId = 1; + } + + setAdapter(); + + waitDialog = ProgressDialog.show( + this, + res.getString(R.string.file_title_searching), + res.getString(R.string.file_searching), + true, + true, + new DialogInterface.OnCancelListener() { + public void onCancel(DialogInterface arg0) { + if (searchingThread != null && searchingThread.isAlive()) { + searchingThread.notifyEnd(); + } + if (files.isEmpty() == true) { + finish(); + } + } + } + ); + + endSearching = false; + searchingThread = new loadFiles(); + searchingThread.start(); + } + + @Override + public void onResume() { + super.onResume(); + + settings.load(); + } + + final protected cgSettings getSettings() { + return settings; + } + + protected abstract T getAdapter(ArrayList<File> files); + + private void setAdapter() { + if (adapter == null) { + adapter = getAdapter(files); + setListAdapter(adapter); + } + } + + /** + * Gets the base folder for file searches + * @return The folder to start the recursive search in + */ + protected abstract String[] getBaseFolders(); + + private class loadFiles extends Thread { + public void notifyEnd() { + endSearching = true; + } + + @Override + public void run() { + ArrayList<File> list = new ArrayList<File>(); + + try { + if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) == true) { + boolean loaded = false; + for(String baseFolder : getBaseFolders()) + { + final File dir = new File(baseFolder); + + if (dir.exists() && dir.isDirectory()) { + listDir(list, dir); + if (list.size() > 0) { + loaded = true; + break; + } + } + } + if (!loaded) { + listDir(list, Environment.getExternalStorageDirectory()); + } + } else { + Log.w(cgSettings.tag, "No external media mounted."); + } + } catch (Exception e) { + Log.e(cgSettings.tag, "cgFileList.loadFiles.run: " + e.toString()); + } + + final Message msg = new Message(); + msg.obj = "loaded directories"; + changeWaitDialogHandler.sendMessage(msg); + + files.addAll(list); + list.clear(); + + loadFilesHandler.sendMessage(new Message()); + } + } + + /** + * Get the file extension to search for + * @return The file extension + */ + protected abstract String getFileExtension(); + + private void listDir(ArrayList<File> list, File directory) { + if (directory == null || directory.isDirectory() == false || directory.canRead() == false) { + return; + } + + final File[] listPre = directory.listFiles(); + String fileExt = getFileExtension(); + + if (listPre != null && listPre.length > 0) { + final int listCnt = listPre.length; + + for (int i = 0; i < listCnt; i++) { + if (endSearching == true) { + return; + } + + if (listPre[i].canRead() == true && listPre[i].isFile() == true) { + final String[] nameParts = listPre[i].getName().split("\\."); + if (nameParts.length > 1) { + final String extension = nameParts[(nameParts.length - 1)].toLowerCase(); + + if (extension.equals(fileExt) == false) { + continue; + } + } else { + continue; // file has no extension + } + + list.add(listPre[i]); // add file to list + } else if (listPre[i].canRead() == true && listPre[i].isDirectory() == true) { + final Message msg = new Message(); + String name = listPre[i].getName(); + if (name.substring(0, 1).equals(".") == true) { + continue; // skip hidden directories + } + if (name.length() > 16) { + name = name.substring(0, 14) + "..."; + } + msg.obj = name; + changeWaitDialogHandler.sendMessage(msg); + + listDir(list, listPre[i]); // go deeper + } + } + } + + return; + } + + public void goHome(View view) { + base.goHome(activity); + } +} |