@Override
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_POSITIVE:
// Delete
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setTitle("Delete File");
builder.setMessage("Are you sure?");
builder.setPositiveButton("Yes", dialogClickListener_YesOrNo);
builder.setNegativeButton("No", dialogClickListener_YesOrNo).show();
break;
case DialogInterface.BUTTON_NEGATIVE:
// Copy
builder = null;
ClipboardManager clipboard =
(ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
File file =
new File(clickedFile.getFolder() + File.separator + clickedFile.getName());
Uri uri = Uri.fromFile(file);
ClipData clip = ClipData.newUri(context.getContentResolver(), "URI", uri);
clipboard.setPrimaryClip(clip);
Toast.makeText(
context.getApplicationContext(),
"File copied to clipboard",
Toast.LENGTH_SHORT)
.show();
break;
case DialogInterface.BUTTON_NEUTRAL:
// Exclude File
Log.i(TAG, clickedFile.getFolder() + " added to excludedHogFiles");
switch (settings.getSelectedSearchDirectory()) {
case Settings.EXTERNAL_DIRECTORY:
if (isBiggestFiles) {
settings.getBiggestExternalExcludedHogFiles().add(clickedFile);
List<FileInformation> updatedHogFiles =
removeExcludedFromHogFiles(settings.getBiggestExternalExcludedHogFiles());
fileInformationAdapter.setFileInformations(updatedHogFiles);
} else {
settings.getSmallestExternalExcludedHogFiles().add(clickedFile);
List<FileInformation> updatedHogFiles =
removeExcludedFromHogFiles(settings.getSmallestExternalExcludedHogFiles());
fileInformationAdapter.setFileInformations(updatedHogFiles);
}
break;
case Settings.ROOT_DIRECTORY:
if (isBiggestFiles) {
settings.getBiggestRootExcludedHogFiles().add(clickedFile);
List<FileInformation> updatedHogFiles =
removeExcludedFromHogFiles(settings.getBiggestRootExcludedHogFiles());
fileInformationAdapter.setFileInformations(updatedHogFiles);
} else {
settings.getSmallestRootExcludedHogFiles().add(clickedFile);
List<FileInformation> updatedHogFiles =
removeExcludedFromHogFiles(settings.getSmallestRootExcludedHogFiles());
fileInformationAdapter.setFileInformations(updatedHogFiles);
}
break;
}
break;
}
}
/**
* This method is called when the user selects an item from the context menu (see
* onCreateContextMenu()). The only menu items that are actually handled are DELETE and COPY.
* Anything else is an alternative option, for which default handling should be done.
*
* @param item The selected menu item
* @return True if the menu item was DELETE, and no default processing is need, otherwise false,
* which triggers the default handling of the item.
* @throws ClassCastException
*/
@Override
public boolean OnContextItemSelected(MenuItem item) throws Throwable {
// The data from the menu item.
AdapterView.AdapterContextMenuInfo info;
/*
* Gets the extra info from the menu item. When an note in the Notes list is long-pressed, a
* context menu appears. The menu items for the menu automatically get the data
* associated with the note that was long-pressed. The data comes from the provider that
* backs the list.
*
* The note's data is passed to the context menu creation routine in a ContextMenuInfo
* object.
*
* When one of the context menu items is clicked, the same data is passed, along with the
* note ID, to onContextItemSelected() via the item parameter.
*/
try {
// Casts the data object in the item into the type for AdapterView objects.
info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
} catch (ClassCastException e) {
// If the object can't be cast, logs an error
Log.e(TAG, "bad menuInfo", e);
// Triggers default processing of the menu item.
return false;
}
// Appends the selected note's ID to the URI sent with the incoming Intent.
Uri noteUri = ContentUris.withAppendedId(getIntent().getData(), info.id);
/*
* Gets the menu item's ID and compares it to known actions.
*/
switch (item.getItemId()) {
case R.id.context_open:
// Launch activity to view/edit the currently selected item
StartActivity(new Intent(Intent.ACTION_EDIT, noteUri));
return true;
case R.id.context_copy:
// Gets a handle to the clipboard service.
ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
// Copies the notes URI to the clipboard. In effect, this copies the note itself
clipboard.setPrimaryClip(
ClipData.newUri( // new clipboard item holding a URI
getContentResolver(), // resolver to retrieve URI info
"Note", // label for the clip
noteUri) // the URI
);
// Returns to the caller and skips further processing.
return true;
case R.id.context_delete:
// Deletes the note from the provider by passing in a URI in note ID format.
// Please see the introductory note about performing provider operations on the
// UI thread.
getContentResolver()
.delete(
noteUri, // The URI of the provider
null, // No where clause is needed, since only a single note ID is being
// passed in.
null // No where clause is used, so no where arguments are needed.
);
// Returns to the caller and skips further processing.
return true;
default:
return super.OnContextItemSelected(item); // Issue: handling return values.
}
}
/**
* 复制uri到剪贴板
*
* @param context 上下文
* @param uri uri
*/
public static void copyUri(Context context, Uri uri) {
ClipboardManager clipboard =
(ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
clipboard.setPrimaryClip(ClipData.newUri(context.getContentResolver(), "uri", uri));
}