private FileDocumentItem[] OrderBy(FileDocumentItem[] items, FileDocumentItemSortOrders orderBy, bool isDesc)
{
if (items == null || items.Length <= 1)
{
return(items);
}
switch (orderBy)
{
case FileDocumentItemSortOrders.Default:
case FileDocumentItemSortOrders.ByName:
return(isDesc
? items.OrderByDescending(p => p.IsFolder).ThenByDescending(p => p.DisplayName).ToArray()
: items.OrderByDescending(p => p.IsFolder).ThenBy(p => p.DisplayName).ToArray());
case FileDocumentItemSortOrders.ByLastModified:
return(isDesc
? items.OrderByDescending(p => p.LastModified).ThenBy(p => p.DisplayName).ToArray()
: items.OrderBy(p => p.LastModified).ThenBy(p => p.DisplayName).ToArray());
case FileDocumentItemSortOrders.BySize:
return(isDesc
? items.OrderByDescending(p => p.Size).ThenBy(p => p.DisplayName).ToArray()
: items.OrderBy(p => p.Size).ThenBy(p => p.DisplayName).ToArray());
default:
throw new NotImplementedException(orderBy.ToString());
}
}
protected override void OnRestoreInstanceState(Bundle savedInstanceState)
{
base.OnRestoreInstanceState(savedInstanceState);
try
{
_doNotCancel = savedInstanceState.GetBoolean(DoNotCancelKey, false);
if (_previousParents == null || _previousParents.Count == 0)
{
var src = savedInstanceState.GetString(PreviousParentsKey);
if (!string.IsNullOrEmpty(src))
{
_previousParents = JsonConvert.DeserializeObject <Stack <string> >(src);
}
}
if (_selectedItem == null)
{
var src = savedInstanceState.GetString(SelectedItemKey);
if (!string.IsNullOrEmpty(src))
{
_selectedItem = JsonConvert.DeserializeObject <FileDocumentItem>(src);
}
}
_orderBy = (FileDocumentItemSortOrders)savedInstanceState.GetInt(OrderByKey);
if (_currentParent == null)
{
var src = savedInstanceState.GetString(CurrentParentKey);
if (!string.IsNullOrEmpty(src))
{
_currentParent = JsonConvert.DeserializeObject <FileDocumentItem>(src);
ReplaceFragment();
}
}
}
catch (Exception ex)
{
Log.Error(ex);
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_file_browser);
//Toolbar will now take on default actionbar characteristics
var toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
SupportActionBar.Title = string.Empty;
SupportActionBar.SetDisplayHomeAsUpEnabled(true);
SupportActionBar.SetHomeButtonEnabled(true);
try
{
_showCreateFolderMenu = false;
_orderBy = FileDocumentItemSortOrders.Default;
// documents provider
_documentsProvider = new FileDocumentsProvider();
_documentsProvider.AttachInfo(this,
CreateProviderInfo(string.Format("{0}.{1}", AppSettings.AppPackageName,
_documentsProvider.GetType().Name.ToLower()))); //HARDCODE:
// root
GetRoot();
if (string.IsNullOrEmpty(_root?.DocumentId))
{
throw new ArgumentNullException(nameof(_root));
}
// stack
_previousParents = new Stack <string>();
// start parameters
var displayName = Intent.GetStringExtra(Intent.ExtraTitle);
var mimeType = Intent.Type;
var isCategoryOpenable = Intent.Categories?.Contains(Intent.CategoryOpenable) == true;
var action = Intent?.Action;
// end parameters
var statusBar = FindViewById(Resource.Id.statusBar);
_imgNewFileName = FindViewById <ImageView>(Resource.Id.imgNewFileName);
_txtNewFileName = FindViewById <EditText>(Resource.Id.txtNewFileName);
_btnAction = FindViewById <Button>(Resource.Id.btnAction);
_viewProgressbar = FindViewById(Resource.Id.toolbarProgress);
switch (action)
{
case Intent.ActionCreateDocument:
_showCreateFolderMenu = true;
if (_imgNewFileName != null)
{
_imgNewFileName.SetImageResource(Resource.Drawable.ic_file);
_imgNewFileName.Visibility = ViewStates.Visible;
}
if (_txtNewFileName != null)
{
_txtNewFileName.Text = displayName ?? string.Empty;
_txtNewFileName.Visibility = ViewStates.Visible;
}
if (_btnAction != null)
{
_btnAction.SetText(Resource.String.Save);
_btnAction.LayoutParameters.Width = ViewGroup.LayoutParams.WrapContent;
}
_mimeType = mimeType;
_isCategoryOpenable = isCategoryOpenable;
break;
case Intent.ActionOpenDocumentTree:
_isActionOpenDocumentTree = true;
_showCreateFolderMenu = true;
if (_imgNewFileName != null)
{
_imgNewFileName.Visibility = ViewStates.Gone;
}
if (_txtNewFileName != null)
{
_txtNewFileName.Visibility = ViewStates.Gone;
}
if (_btnAction != null)
{
_btnAction.LayoutParameters.Width = ViewGroup.LayoutParams.MatchParent;
}
break;
default:
if (statusBar != null)
{
statusBar.Visibility = ViewStates.Gone;
}
_imgNewFileName?.Dispose();
_imgNewFileName = null;
_txtNewFileName?.Dispose();
_txtNewFileName = null;
_btnAction?.Dispose();
_btnAction = null;
_mimeType = mimeType;
_isCategoryOpenable = isCategoryOpenable;
break;
}
if (savedInstanceState == null)
{
var searchQuery = Intent.GetStringExtra(ExtraSearchQuery);
var taskType = string.IsNullOrEmpty(searchQuery)
? FileBrowserFragment.DocumentTaskTypes.QueryChildDocuments
: FileBrowserFragment.DocumentTaskTypes.QuerySearchDocuments;
ReplaceFragment(isAdd: true, useCustomAnimation: false, taskType: taskType, query: searchQuery);
}
}
catch (Exception ex)
{
Log.Error(ex);
Toast.MakeText(this, GetString(Resource.String.InternalError),
AppSettings.ToastLength).Show();
}
}
public override bool OnOptionsItemSelected(IMenuItem item)
{
try
{
if (_isWaiting || item == null)
{
return(false);
}
switch (item.ItemId)
{
case Android.Resource.Id.Home:
Finish();
return(true);
case Resource.Id.menuItemFileBrowserUpward:
if (_currentParent != null && _currentParent.DocumentId != _root.DocumentId)
{
var previousParentId = _previousParents.Count == 0
? GetParent(_currentParent.DocumentId) ?? _root.DocumentId
: _previousParents.Pop();
ReplaceFragment(parentDocumentId: previousParentId);
}
return(true);
case Resource.Id.menuItemFileBrowserCreateFolder:
var dlg = new WidgetUtil();
dlg.InputDialog(context: this, titleId: Resource.String.CreateFolderTitle,
layoutId: Resource.Layout.text_input, editTextId: Resource.Id.txtInput,
okAction: (view, value) =>
{
if (string.IsNullOrEmpty(value))
{
return(false);
}
try
{
var docId = _documentsProvider.CreateDocument(_currentParent.DocumentId,
DocumentsContract.Document.MimeTypeDir, value);
_previousParents.Push(_currentParent.DocumentId);
ReplaceFragment(useCustomAnimation: false, parentDocumentId: docId);
}
catch (Exception ex)
{
Log.Error(ex);
Toast.MakeText(this, GetString(Resource.String.InternalError),
AppSettings.ToastLength)
.Show();
return(false);
}
return(true);
});
return(true);
case Resource.Id.menuItemFileBrowserSortByName:
item.SetChecked(!item.IsChecked);
if (item.IsChecked && _orderBy != FileDocumentItemSortOrders.Default && _orderBy != FileDocumentItemSortOrders.ByName)
{
_orderBy = FileDocumentItemSortOrders.ByName;
ReplaceFragment();
}
return(true);
case Resource.Id.menuItemFileBrowserSortByDate:
item.SetChecked(!item.IsChecked);
if (item.IsChecked && _orderBy != FileDocumentItemSortOrders.ByLastModified)
{
_orderBy = FileDocumentItemSortOrders.ByLastModified;
ReplaceFragment();
}
return(true);
case Resource.Id.menuItemFileBrowserSortBySize:
item.SetChecked(!item.IsChecked);
if (item.IsChecked && _orderBy != FileDocumentItemSortOrders.BySize)
{
_orderBy = FileDocumentItemSortOrders.BySize;
ReplaceFragment();
}
return(true);
case Resource.Id.menuItemFileBrowserRefresh:
ReplaceFragment();
return(true);
case Resource.Id.menuItemFileBrowserSettings:
var intent = new Intent(this, typeof(FileBrowserSettingsActivity));
_doNotCancel = true;
StartActivityForResult(intent, MenuSettingsRequestCode);
break;
default:
return(base.OnOptionsItemSelected(item));
}
}
catch (Exception ex)
{
Log.Error(ex);
Toast.MakeText(this, GetString(Resource.String.InternalError), AppSettings.ToastLength)
.Show();
}
return(false);
}
