java类com.afollestad.materialdialogs.folderselector.FolderChooserDialog的实例源码

/**
 * Click handler for the library directory preference.
 * @param preference The actual preference.
 * @return Always {@code true}, since we always handle the click.
 */
private boolean onLibDirPrefClick(Preference preference) {
    if (!Util.checkForStoragePermAndFireEventIfNeeded(R.id.action_choose_lib_dir)) return true;

    // Set up most of dialog. Our SettingsActivity is the only possible host for this fragment.
    FolderChooserDialog.Builder builder = new FolderChooserDialog.Builder((SettingsActivity) getActivity())
            .chooseButton(R.string.ok)
            .cancelButton(R.string.cancel);

    // Check to see if the current value is a valid folder.
    String folderPath = prefs.getLibDir(null);
    if (folderPath != null && new File(folderPath).exists()) builder.initialPath(folderPath);

    // Show the folder chooser dialog.
    builder.show();
    return true;
}

private DownloadOptionItem downloadLocationOption() {
    return new DownloadOptionItem(DownloadOptionIds.DownloadLocation,
            R.drawable.directory,
            R.string.download_location,
            CheckPreferences.getDownloadLocation(mContext),
            new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    new FolderChooserDialog.Builder((MainActivity)mContext)
                            .chooseButton(R.string.md_choose_label)
                            .tag(FOLDER_CHOOSER_TAG)
                            .initialPath(mDownloadLocation)
                            .allowNewFolder(true, R.string.new_folder)
                            .show();
                }
            }
    );
}

@Override
public void onFolderSelection(@NonNull FolderChooserDialog folderChooserDialog, @NonNull File folder) {
    try {
        MaintenanceFragment f = (MaintenanceFragment) getSupportFragmentManager()
                .findFragmentById(R.id.container);

        f.exportPersonalKey(this,
            new FileOutputStream(new File(folder, PersonalKeyPack.KEYPACK_FILENAME)));
    }
    catch (FileNotFoundException e) {
        Log.e(PreferencesFragment.TAG, "error exporting keys", e);
        Toast.makeText(this,
            R.string.err_keypair_export_write,
            Toast.LENGTH_LONG).show();
    }
}

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@OnClick(R.id.folder_chooser)
public void showFolderChooser() {
  chooserDialog = R.id.folder_chooser;
  if (ActivityCompat.checkSelfPermission(
          MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE)
      != PackageManager.PERMISSION_GRANTED) {
    ActivityCompat.requestPermissions(
        MainActivity.this,
        new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE},
        STORAGE_PERMISSION_RC);
    return;
  }
  new FolderChooserDialog.Builder(MainActivity.this)
      .chooseButton(R.string.md_choose_label)
      .allowNewFolder(true, 0)
      .show();
}

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@OnClick(R.id.folder_chooser)
public void showFolderChooser() {
    chooserDialog = R.id.folder_chooser;
    if (ActivityCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) !=
            PackageManager.PERMISSION_GRANTED) {
        ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, STORAGE_PERMISSION_RC);
        return;
    }
    new FolderChooserDialog.Builder(MainActivity.this)
            .chooseButton(R.string.md_choose_label)
            .allowNewFolder(true, 0)
            .show();
}

@Override
public void onFolderSelection(@NonNull FolderChooserDialog dialog, @NonNull File folder) {
    if (l!=null) {
        Media.init(this, false);
        Media.invalidate();
        l.onFolderSelected(folder);
    }
}

/**
 * Show the folder chooser when that button is clicked.
 */
private void onOpenFolderChooserClick() {
    if (!Util.checkForStoragePermAndFireEventIfNeeded(R.id.action_choose_lib_dir)) return;
    // Set up most of dialog.
    FolderChooserDialog.Builder builder = new FolderChooserDialog.Builder(this)
            .chooseButton(R.string.ok)
            .cancelButton(R.string.cancel);

    // Check to see if the current value is a valid folder.
    String folderPath = Minerva.prefs().getLibDir(null);
    if (folderPath != null && new File(folderPath).exists()) builder.initialPath(folderPath);

    // Show the folder chooser dialog.
    builder.show();
}

/**
 * Callback from folder chooser dialog shown when the library directory textview is clicked.
 * @param folder Chosen folder.
 */
@Override
public void onFolderSelection(@NonNull FolderChooserDialog dialog, @NonNull File folder) {
    // Updating this preference cause the fragment to notice and update the summary for the library directory
    // preference, since the fragment implements OnSharedPreferenceChangeListener.
    Minerva.prefs().putLibDir(folder.getAbsolutePath());
}

/**
 * What to do when the button on the importer view is clicked.
 */
@OnClick(R.id.import_button)
void onButtonClick() {
    switch (currBtnState) {
        case START_IMPORT:
            if (!Util.checkForStoragePermAndFireEventIfNeeded(R.id.action_import)) return;
            Importer.get().queueFullImport();
            break;
        case CANCEL_IMPORT:
            Importer.get().cancelImportRun();
            break;
        case CHOOSE_DIR:
            if (!Util.checkForStoragePermAndFireEventIfNeeded(R.id.action_choose_lib_dir)) return;
            // Set up most of dialog.
            FolderChooserDialog.Builder builder = new FolderChooserDialog.Builder(this)
                    .chooseButton(R.string.ok)
                    .cancelButton(R.string.cancel);

            // Check to see if the current value is a valid folder.
            String folderPath = Minerva.prefs().getLibDir(null);
            if (folderPath != null && new File(folderPath).exists()) builder.initialPath(folderPath);

            // Show the folder chooser dialog.
            builder.show();
            break;
    }
}

@Override
public void onFolderSelection(@NonNull FolderChooserDialog dialog, @NonNull File folder) {
    String path = folder.getAbsolutePath();
    Minerva.prefs().putLibDir(path);
    needsToChooseDir = false;
    // Pretend this got called with READY.
    onImportStateChanged(Importer.State.READY);
}

@Override
public void onFolderSelection(@NonNull FolderChooserDialog dialog, @NonNull File directory) {
    String tag = dialog.getTag();
    switch(tag) {
        case SettingsFragment.FOLDER_CHOOSER_TAG:
            if (directory.canWrite()) {
                CheckPreferences.setDownloadLocation(this, directory.getPath());
                SettingsFragment.updatePreferenceSummary();
            } else {
                Toast.makeText(this, R.string.unable_to_select_sd_card, Toast.LENGTH_LONG).show();
                ApplicationLogMaintainer.sendBroadcast(this, "Unable to write on selected directory :");
                ApplicationLogMaintainer.sendBroadcast(this, directory.getAbsolutePath());
            }
            break;
        case DownloadOptionAdapter.FOLDER_CHOOSER_TAG:
            if (directory.canWrite()) {
                DownloadOptionAdapter downloadOptionAdapter =
                        (DownloadOptionAdapter) mDownloadDialogRecyclerView.getAdapter();
                downloadOptionAdapter.setDownloadLocation(directory.getPath());
                SettingsFragment.updatePreferenceSummary();
            } else {
                Toast.makeText(this, R.string.unable_to_select_sd_card, Toast.LENGTH_LONG).show();
                ApplicationLogMaintainer.sendBroadcast(this, "Unable to write on selected directory :");
                ApplicationLogMaintainer.sendBroadcast(this, directory.getAbsolutePath());
            }
    }
}

@Override
public void onFolderSelection(@NonNull FolderChooserDialog dialog, @NonNull File folder) {
    // TODO
    final String tag = dialog.getTag(); // gets tag set from Builder, if you use multiple dialogs
    Toast.makeText(getActivity(),
            tag, Toast.LENGTH_LONG).show();
}

@Override
public void onFolderSelection(@NonNull FolderChooserDialog dialog, @NonNull File folder) {
    showToast(folder.getAbsolutePath());
}

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.dialog_excluded_folders);
    ButterKnife.bind(this);

    WindowManager.LayoutParams lp = new WindowManager.LayoutParams();
    Window window = getWindow();
    lp.copyFrom(window.getAttributes());
    lp.width = WindowManager.LayoutParams.MATCH_PARENT;
    lp.height = WindowManager.LayoutParams.MATCH_PARENT;
    window.setAttributes(lp);

    toolbar.setTitle(R.string.exclude_folders);
    toolbar.setNavigationIcon(R.drawable.ic_arrow_back_white_48px);
    toolbar.setNavigationOnClickListener(this);

    fab.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            new FolderChooserDialog.Builder(reference)
                    .chooseButton(R.string.md_choose_label)
                    .show();
        }
    });

    prefString = PreferenceManager.getDefaultSharedPreferences(getContext()).getString("excluded_folders","");
    if (prefString.isEmpty()) {
        folders = new ArrayList<>();
    } else {
        folders = new ArrayList<>(Arrays.asList(prefString.split(":")));
    }

    adapter = new ExcludedFoldersAdapter(getContext());
    recycler.setLayoutManager(new LinearLayoutManager(getContext()));
    recycler.setAdapter(adapter);
    adapter.update(folders);

    adapter.getOnClickObservable().subscribe(this);

}

@Override
public void onFolderSelection(@NonNull FolderChooserDialog dialog, @NonNull File folder) {
    String path = folder.getAbsolutePath();
    Minerva.prefs().putLibDir(path);
    setFolderText(path);
}

@Override
public void onFolderSelection(@NonNull FolderChooserDialog dialog, @NonNull File file) {
    if (findFolderCallback != null) {
        findFolderCallback.onFolderSelection(dialog, file);
    }
}

public void setFindFolderCallback(FolderChooserDialog.FolderCallback findFolderCallback) {
    this.findFolderCallback = findFolderCallback;
}

@Override
public void onFolderChooserDismissed(@NonNull FolderChooserDialog dialog) {
}

@Override
public void onFolderChooserDismissed(@NonNull FolderChooserDialog dialog) {
}

@Override
public void onFolderSelection(FolderChooserDialog dialog, File folder) {
  showToast(folder.getAbsolutePath());
}

@Override
public void onFolderChooserDismissed(FolderChooserDialog dialog) {
  showToast("Folder chooser dismissed!");
}

@Override
public void setFindFolderCallback(FolderChooserDialog.FolderCallback folderCallback) {

}

@Override
public void onFolderSelection(@NonNull FolderChooserDialog dialog, @NonNull File folder) {

}

@Override public void onFolderChooserDismissed(@NonNull FolderChooserDialog dialog) {

    }