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Allow user to pick any file for file transfer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| package im.tox.antox.utils; | ||
|
|
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| import android.app.Activity; | ||
| import android.app.AlertDialog; | ||
| import android.app.Dialog; | ||
| import android.content.DialogInterface; | ||
| import android.os.Environment; | ||
| import android.util.Log; | ||
|
|
||
| import java.io.File; | ||
| import java.io.FilenameFilter; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
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| public class FileDialog { | ||
| private static final String PARENT_DIR = ".."; | ||
| private final String TAG = getClass().getName(); | ||
| private String[] fileList; | ||
| private File currentPath; | ||
|
|
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| public interface FileSelectedListener { | ||
| void fileSelected(File file); | ||
| } | ||
|
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| public interface DirectorySelectedListener { | ||
| void directorySelected(File directory); | ||
| } | ||
|
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| private ListenerList<FileSelectedListener> fileListenerList = new ListenerList<FileDialog.FileSelectedListener>(); | ||
| private ListenerList<DirectorySelectedListener> dirListenerList = new ListenerList<FileDialog.DirectorySelectedListener>(); | ||
| private final Activity activity; | ||
| private boolean selectDirectoryOption; | ||
| private String fileEndsWith; | ||
|
|
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| public FileDialog(Activity activity, File path) { | ||
| this.activity = activity; | ||
| if (!path.exists()) path = Environment.getExternalStorageDirectory(); | ||
| loadFileList(path); | ||
| } | ||
|
|
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| public Dialog createFileDialog() { | ||
| Dialog dialog = null; | ||
| AlertDialog.Builder builder = new AlertDialog.Builder(activity); | ||
|
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| builder.setTitle(currentPath.getPath()); | ||
| if (selectDirectoryOption) { | ||
| builder.setPositiveButton("Select directory", new DialogInterface.OnClickListener() { | ||
| public void onClick(DialogInterface dialog, int which) { | ||
| Log.d(TAG, currentPath.getPath()); | ||
| fireDirectorySelectedEvent(currentPath); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| builder.setItems(fileList, new DialogInterface.OnClickListener() { | ||
| public void onClick(DialogInterface dialog, int which) { | ||
| String fileChosen = fileList[which]; | ||
| File chosenFile = getChosenFile(fileChosen); | ||
| if (chosenFile.isDirectory()) { | ||
| loadFileList(chosenFile); | ||
| dialog.cancel(); | ||
| dialog.dismiss(); | ||
| showDialog(); | ||
| } else fireFileSelectedEvent(chosenFile); | ||
| } | ||
| }); | ||
|
|
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| dialog = builder.show(); | ||
| return dialog; | ||
| } | ||
|
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|
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| public void addFileListener(FileSelectedListener listener) { | ||
| fileListenerList.add(listener); | ||
| } | ||
|
|
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| public void showDialog() { | ||
| createFileDialog().show(); | ||
| } | ||
|
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| private void fireFileSelectedEvent(final File file) { | ||
| fileListenerList.fireEvent(new ListenerList.FireHandler<FileSelectedListener>() { | ||
| public void fireEvent(FileSelectedListener listener) { | ||
| listener.fileSelected(file); | ||
| } | ||
| }); | ||
| } | ||
|
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| private void fireDirectorySelectedEvent(final File directory) { | ||
| dirListenerList.fireEvent(new ListenerList.FireHandler<DirectorySelectedListener>() { | ||
| public void fireEvent(DirectorySelectedListener listener) { | ||
| listener.directorySelected(directory); | ||
| } | ||
| }); | ||
| } | ||
|
|
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| private void loadFileList(File path) { | ||
| this.currentPath = path; | ||
| List<String> r = new ArrayList<String>(); | ||
| if (path.exists()) { | ||
| if (path.getParentFile() != null) r.add(PARENT_DIR); | ||
| FilenameFilter filter = new FilenameFilter() { | ||
| public boolean accept(File dir, String filename) { | ||
| File sel = new File(dir, filename); | ||
| if (!sel.canRead()) return false; | ||
| if (selectDirectoryOption) return sel.isDirectory(); | ||
| else { | ||
| boolean endsWith = fileEndsWith != null ? filename.toLowerCase().endsWith(fileEndsWith) : true; | ||
| return endsWith || sel.isDirectory(); | ||
| } | ||
| } | ||
| }; | ||
| String[] fileList1 = path.list(filter); | ||
| for (String file : fileList1) { | ||
| r.add(file); | ||
| } | ||
| } | ||
| fileList = (String[]) r.toArray(new String[]{}); | ||
| } | ||
|
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| private File getChosenFile(String fileChosen) { | ||
| if (fileChosen.equals(PARENT_DIR)) return currentPath.getParentFile(); | ||
| else return new File(currentPath, fileChosen); | ||
| } | ||
| } | ||
|
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| class ListenerList<L> { | ||
| private List<L> listenerList = new ArrayList<L>(); | ||
|
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| public interface FireHandler<L> { | ||
| void fireEvent(L listener); | ||
| } | ||
|
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| public void add(L listener) { | ||
| listenerList.add(listener); | ||
| } | ||
|
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| public void fireEvent(FireHandler<L> fireHandler) { | ||
| List<L> copy = new ArrayList<L>(listenerList); | ||
| for (L l : copy) { | ||
| fireHandler.fireEvent(l); | ||
| } | ||
| } | ||
| } |
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This seems to have broken sending the other types of file transfers