public ICursor FetchAllNotes()
{
var repo = new RemoteRepository();
var result = repo.GetAllEntries();
string[] columns = new string[] { "_id", "title", "body" };
MatrixCursor matrixCursor = new MatrixCursor(columns);
foreach (var r in result)
{
var set = new ArraySet();
set.Add(r.id);
set.Add(r.title.ToString());
set.Add(r.body.ToString());
matrixCursor.AddRow(set);
}
/*var set = new ArraySet();
* set.Add("1");
* set.Add("ZXC");
* set.Add("QWE");
*
* matrixCursor.AddRow(set);
* matrixCursor.AddRow(set);*/
return(matrixCursor);
//return this.db.Query(DatabaseTable, new[] { KeyRowId, KeyTitle, KeyBody }, null, null, null, null, null);
}
public override void DeliverResult(Java.Lang.Object data)
{
if (IsReset)
{
if (data != null)
{
ReleaseResources(data);
}
}
MatrixCursor currList = Android.Runtime.Extensions.JavaCast <MatrixCursor>(data);
MatrixCursor oldList = NowShowingList;
NowShowingList = currList;
NowShowingList.MoveToPosition(-1);
if (IsStarted)
{
base.DeliverResult(data);
}
if (oldList != null && oldList != currList)
{
ReleaseResources(data);
}
}
public override ICursor QueryDocument(string documentId, string[] projection)
{
var result = new MatrixCursor(ResolveDocumentProjection(projection));
IncludeFile(result, documentId, null, null);
return(result);
}
public override ICursor QuerySearchDocuments(string rootId, string query, string[] projection)
{
// Create a cursor with the requested projection, or the default projection.
var result = new MatrixCursor(ResolveDocumentProjection(projection));
var parent = GetFileForDocumentId(rootId);
if (query.Contains(System.IO.Path.DirectorySeparatorChar))
{
using (var file = new File(query))
{
var parentDocId = GetDocIdForFile(file.ParentFile);
return(QueryChildDocuments(parentDocId, projection, (string)null));
}
}
var queryLower = query.ToLower();
// This example implementation searches file names for the query and doesn't rank search
// results, so we can stop as soon as we find a sufficient number of matches. Other
// implementations might use other data about files, rather than the file name, to
// produce a match; it might also require a network call to query a remote server.
// Iterate through all files in the file structure under the root until we reach the
// desired number of matches.
// Start by adding the parent to the list of files to be processed
var pending = new List <File> {
parent
};
// Do while we still have unexamined files, and fewer than the max search results
while (pending.Any() && result.Count < MaxSearchResults)
{
// Take a file from the list of unprocessed files
var file = pending[0];
pending.RemoveAt(0);
if (file.IsDirectory)
{
if (!file.CanRead() || SystemDirectoryPaths.Contains(file.Path))
{
continue;
}
// If it's a directory, add all its children to the unprocessed list
var files = file.ListFiles();
if (files?.Length > 0)
{
pending.AddRange(files);
}
}
else
{
// If it's a file and it matches, add it to the result cursor.
if (file.Name.ToLower().Contains(queryLower))
{
IncludeFile(result, null, file, GetDocIdForFile(file.ParentFile));
}
}
}
return(result);
}
public override bool OnCreateOptionsMenu (IMenu menu)
{
//Used to put dark icons on light action bar
bool isLight = SampleList.THEME == Resource.Style.Sherlock___Theme_Light;
//Create the search view
SearchView searchView = new SearchView (SupportActionBar.ThemedContext);
searchView.QueryHint = "Search for countries…";
searchView.SetOnQueryTextListener (this);
searchView.SetOnSuggestionListener (this);
if (mSuggestionsAdapter == null) {
MatrixCursor cursor = new MatrixCursor (COLUMNS);
Converter<string, Java.Lang.Object> func = s => new Java.Lang.String (s);
cursor.AddRow (Array.ConvertAll<string,Java.Lang.Object> (new string[] { "1", "'Murica" }, func));
cursor.AddRow (Array.ConvertAll<string,Java.Lang.Object> (new string[] { "2", "Canada" }, func));
cursor.AddRow (Array.ConvertAll<string,Java.Lang.Object> (new string[] { "3", "Denmark" }, func));
mSuggestionsAdapter = new SuggestionsAdapter (SupportActionBar.ThemedContext, cursor);
}
searchView.SuggestionsAdapter = mSuggestionsAdapter;
menu.Add ("Search")
.SetIcon (isLight ? Resource.Drawable.ic_search_inverse : Resource.Drawable.abs__ic_search)
.SetActionView (searchView)
.SetShowAsAction (MenuItem.ShowAsActionIfRoom | MenuItem.ShowAsActionCollapseActionView);
return true;
}
public override bool OnCreateOptionsMenu(IMenu menu)
{
//Used to put dark icons on light action bar
bool isLight = SampleList.THEME == Resource.Style.Sherlock___Theme_Light;
//Create the search view
SearchView searchView = new SearchView(SupportActionBar.ThemedContext);
searchView.QueryHint = "Search for countries…";
searchView.SetOnQueryTextListener(this);
searchView.SetOnSuggestionListener(this);
if (mSuggestionsAdapter == null)
{
MatrixCursor cursor = new MatrixCursor(COLUMNS);
Converter <string, Java.Lang.Object> func = s => new Java.Lang.String(s);
cursor.AddRow(Array.ConvertAll <string, Java.Lang.Object> (new string[] { "1", "'Murica" }, func));
cursor.AddRow(Array.ConvertAll <string, Java.Lang.Object> (new string[] { "2", "Canada" }, func));
cursor.AddRow(Array.ConvertAll <string, Java.Lang.Object> (new string[] { "3", "Denmark" }, func));
mSuggestionsAdapter = new SuggestionsAdapter(SupportActionBar.ThemedContext, cursor);
}
searchView.SuggestionsAdapter = mSuggestionsAdapter;
menu.Add("Search")
.SetIcon(isLight ? Resource.Drawable.ic_search_inverse : Resource.Drawable.abs__ic_search)
.SetActionView(searchView)
.SetShowAsAction(MenuItem.ShowAsActionIfRoom | MenuItem.ShowAsActionCollapseActionView);
return(true);
}
public override ICursor QueryDocument(string documentId, string[] projection)
{
System.Diagnostics.Debug.WriteLine($"QUERY DOCUMENT {documentId} - {projection}");
var result = new MatrixCursor(projection ?? DEFAULT_DOCUMENT_PROJECTION);
return(result);
}
public override ICursor Query(Android.Net.Uri uri, string[] projection, string selection, string[] selectionArgs, string sortOrder)
{
var query = uri.LastPathSegment.ToLowerInvariant();
IList <Address> addresses = null;
try {
addresses = geocoder.GetFromLocationName(query,
SuggestionCount,
LowerLeftLat,
LowerLeftLon,
UpperRightLat,
UpperRightLon);
} catch (Exception e) {
Xamarin.Insights.Report(e);
Android.Util.Log.Warn("SuggestionsFetcher", e.ToString());
addresses = new Address[0];
}
var cursor = new MatrixCursor(new string[] {
BaseColumns.Id,
SearchManager.SuggestColumnText1,
SearchManager.SuggestColumnText2,
SearchManager.SuggestColumnIntentExtraData
}, addresses.Count);
long id = 0;
foreach (var address in addresses)
{
int dummy;
if (int.TryParse(address.Thoroughfare, out dummy))
{
continue;
}
var options1 = new string[] { address.FeatureName, address.Thoroughfare };
var options2 = new string[] { address.Locality, address.AdminArea };
var line1 = string.Join(", ", options1.Where(s => !string.IsNullOrEmpty(s)).Distinct());
var line2 = string.Join(", ", options2.Where(s => !string.IsNullOrEmpty(s)));
if (string.IsNullOrEmpty(line1) || string.IsNullOrEmpty(line2))
{
continue;
}
cursor.AddRow(new Java.Lang.Object[] {
id++,
line1,
line2,
address.Latitude + "|" + address.Longitude
});
}
return(cursor);
}
public override ICursor QueryRecentDocuments(string rootId, string[] projection)
{
Log.Verbose(TAG, "queryRecentDocuments");
// This example implementation walks a local file structure to find the most recently
// modified files. Other implementations might include making a network call to query a
// server.
// Create a cursor with the requested projection, or the default projection.
var result = new MatrixCursor(ResolveDocumentProjection(projection));
File parent = GetFileForDocId(rootId);
// Create a list to store the most recent documents, which orders by last modified.
var lastModifiedFiles = new List <File> ();
// Iterate through all files and directories in the file structure under the root. If
// the file is more recent than the least recently modified, add it to the queue,
// limiting the number of results.
var pending = new List <File> ();
// Start by adding the parent to the list of files to be processed
pending.Add(parent);
// Do while we still have unexamined files
while (pending.Any())
{
// Take a file from the front of the list of unprocessed files
File file = pending [0];
pending.RemoveAt(0);
if (file.IsDirectory)
{
// If it's a directory, add all its children to the unprocessed list
pending.AddRange(file.ListFiles().AsEnumerable());
}
else
{
// If it's a file, add it to the ordered list.
lastModifiedFiles.Add(file);
}
}
// Sort our list by last modified.
lastModifiedFiles.Sort(new Comparison <File> (delegate(File i, File j) {
return(i.LastModified().CompareTo(j.LastModified()));
}));
// Add the most recent files to the cursor, not exceeding the max number of results.
for (int i = 0; i < Math.Min(MAX_LAST_MODIFIED + 1, lastModifiedFiles.Count); i++)
{
File file = lastModifiedFiles[0];
lastModifiedFiles.RemoveAt(0);
IncludeFile(result, null, file);
}
return(result);
}
private MatrixCursor PreferenceToCursor <T>(T value)
where T : Java.Lang.Object
{
MatrixCursor matrixCursor = new MatrixCursor(PREFERENCE_COLUMNS, 1);
MatrixCursor.RowBuilder builder = matrixCursor.NewRow();
builder.Add(value);
return(matrixCursor);
}
protected override void OnReset()
{
OnStopLoading();
if (ComingSoonList != null)
{
ReleaseResources(ComingSoonList);
ComingSoonList = null;
}
}
public override ICursor QueryDocument(string documentId, string[] projection)
{
Log.Verbose(TAG, "queryDocument");
// Create a cursor with the requested projection, or the default projection.
var result = new MatrixCursor(ResolveDocumentProjection(projection));
IncludeFile(result, documentId, null);
return(result);
}
protected override void OnReset()
{
OnStopLoading();
if (NowShowingList != null)
{
ReleaseResources(NowShowingList);
NowShowingList = null;
}
}
public override Android.Database.ICursor Query(Android.Net.Uri uri, string[] projection, string selection, string[] selectionArgs, string sortOrder)
{
var c = new MatrixCursor(new String[] { "_id", SearchManager.SuggestColumnText1, "lat", "lng" });
c.AddRow(new Java.Lang.Object[] { 123, "description", "lat", "lng" });
c.AddRow(new Java.Lang.Object[] { 1243, "description 2", "lat", "lng" });
c.AddRow(new Java.Lang.Object[] { 1235, "description", "lat", "lng" });
c.AddRow(new Java.Lang.Object[] { 12436, "description 2", "lat", "lng" });
return(c);
}
public override ICursor Query(Android.Net.Uri uri, string[] projection, string selection, string[] selectionArgs, string sortOrder)
{
MatrixCursor cursor = null;
PrefModel model = GetPrefModelByUri(uri);
try
{
switch (sUriMatcher.Match(uri))
{
case PREF_BOOLEAN:
if (GetDPreference(model.Name).HasKey(model.Key))
{
cursor = PreferenceToCursor(new Java.Lang.Boolean((GetDPreference(model.Name).GetPrefBoolean(model.Key, false))));
}
break;
case PREF_STRING:
if (GetDPreference(model.Name).HasKey(model.Key))
{
cursor = PreferenceToCursor(new Java.Lang.String((GetDPreference(model.Name).GetPrefString(model.Key, ""))));
}
break;
case PREF_INT:
if (GetDPreference(model.Name).HasKey(model.Key))
{
cursor = PreferenceToCursor((Java.Lang.Integer)(GetDPreference(model.Name).GetPrefInt(model.Key, -1)));
}
break;
case PREF_LONG:
if (GetDPreference(model.Name).HasKey(model.Key))
{
cursor = PreferenceToCursor((Java.Lang.Long)(GetDPreference(model.Name).GetPrefLong(model.Key, -1)));
}
break;
case PREF_DATETIME:
if (GetDPreference(model.Name).HasKey(model.Key))
{
cursor = PreferenceToCursor((Java.Lang.Long)(GetDPreference(model.Name).GetPrefLong(model.Key, -1)));
}
break;
}
return(cursor);
}
catch (Exception exQuery)
{
for (int i = 0; i < 10; i++)
{
Debug.WriteLine($"PreferenceProvider Query Exception: {exQuery.Message} ON pref: {sUriMatcher.Match(uri)}\nKey: {model.Key}");
}
throw exQuery;
}
}
public static Android.Database.MatrixCursor Create(List <Goal> goals)
{
string[] columnNames = { "Id", "MemberId", "ClubId", "Type", "GoalValue" };
MatrixCursor cursor = new MatrixCursor(columnNames);
foreach (var item in goals)
{
cursor.AddRow(new Java.Lang.Object[] { item.Id, item.ClubId, item.ClubId, item.Type, item.GoalValue });
}
return(cursor);
}
private void UpdateSearchSuggestions()
{
var matrix = new MatrixCursor(new string[] { BaseColumns.Id, "hint" });
int i = 0;
foreach (var hint in ViewModel.CurrentHintSet.Where(s => s != MainPageSearchView.Query))
{
matrix.AddRow(new Object[] { i, hint });
}
_searchSuggestionAdapter.ChangeCursor(matrix);
}
/**
* Add a representation of a file to a cursor.
*
* @param result the cursor to modify
* @param docId the document ID representing the desired file (may be null if given file)
* @param file the File object representing the desired file (may be null if given docID)
*/
void IncludeFile(MatrixCursor result, string docId, File file)
{
if (docId == null)
{
docId = GetDocIdForFile(file);
}
else
{
file = GetFileForDocId(docId);
}
DocumentContractFlags flags = (DocumentContractFlags)0;
if (file.IsDirectory)
{
// Request the folder to lay out as a grid rather than a list. This also allows a larger
// thumbnail to be displayed for each image.
// flags |= Document.FLAG_DIR_PREFERS_GRID;
// Add FLAG_DIR_SUPPORTS_CREATE if the file is a writable directory.
if (file.IsDirectory && file.CanWrite())
{
flags |= DocumentContractFlags.DirSupportsCreate;
}
}
else if (file.CanWrite())
{
// If the file is writable set FLAG_SUPPORTS_WRITE and
// FLAG_SUPPORTS_DELETE
flags |= DocumentContractFlags.SupportsWrite;
flags |= DocumentContractFlags.SupportsDelete;
}
string displayName = file.Name;
string mimeType = GetTypeForFile(file);
if (mimeType.StartsWith("image/"))
{
// Allow the image to be represented by a thumbnail rather than an icon
flags |= DocumentContractFlags.SupportsThumbnail;
}
MatrixCursor.RowBuilder row = result.NewRow();
row.Add(DocumentsContract.Document.ColumnDocumentId, docId);
row.Add(DocumentsContract.Document.ColumnDisplayName, displayName);
row.Add(DocumentsContract.Document.ColumnSize, file.Length());
row.Add(DocumentsContract.Document.ColumnMimeType, mimeType);
row.Add(DocumentsContract.Document.ColumnLastModified, file.LastModified());
row.Add(DocumentsContract.Document.ColumnFlags, (int)flags);
// Add a custom icon
row.Add(DocumentsContract.Document.ColumnIcon, Resource.Drawable.icon);
}
/// <summary>
/// Returns a <see cref="MatrixCursor"/>, for the collection.
/// </summary>
/// <param name="collection">The colletion that will be used to create the Cursor.</param>
/// <param name="text">The text to display.</param>
/// <param name="serialize">A way to serialize the object and retrieve it from the third column => [2] as a string.</param>
/// <returns>A new matrixcursor.</returns>
public static MatrixCursor ToMatrixCursor <T>(this IEnumerable <T> collection, Func <T, string> text, Func <T, string> serialize = null)
{
MatrixCursor cursor = new MatrixCursor(new string[] { "_id", "text", "item" });
int id = 0;
foreach (var item in collection)
{
cursor.AddRow(new Java.Lang.Object[] { id.ToString(), text?.Invoke(item), serialize?.Invoke(item) });
id++;
}
return(cursor);
}
public override ICursor QueryChildDocuments(string parentDocumentId, string[] projection, string sortOrder)
{
Log.Verbose(TAG, "queryChildDocuments, parentDocumentId: " + parentDocumentId + " sortOrder: " + sortOrder);
var result = new MatrixCursor(ResolveDocumentProjection(projection));
File parent = GetFileForDocId(parentDocumentId);
foreach (File file in parent.ListFiles())
{
IncludeFile(result, null, file);
}
return(result);
}
public override ICursor Query(Android.Net.Uri uri, string[] projection, string selection, string[] selectionArgs, string sortOrder)
{
var query = uri.LastPathSegment.ToLowerInvariant ();
IList<Address> addresses = null;
try {
addresses = geocoder.GetFromLocationName (query,
SuggestionCount,
LowerLeftLat,
LowerLeftLon,
UpperRightLat,
UpperRightLon);
} catch (Exception e) {
AnalyticsHelper.LogException ("SuggestionsFetcher", e);
Android.Util.Log.Warn ("SuggestionsFetcher", e.ToString ());
addresses = new Address[0];
}
var cursor = new MatrixCursor (new string[] {
BaseColumns.Id,
SearchManager.SuggestColumnText1,
SearchManager.SuggestColumnText2,
SearchManager.SuggestColumnIntentExtraData
}, addresses.Count);
long id = 0;
foreach (var address in addresses) {
int dummy;
if (int.TryParse (address.Thoroughfare, out dummy))
continue;
var options1 = new string[] { address.FeatureName, address.Thoroughfare };
var options2 = new string[] { address.Locality, address.AdminArea };
var line1 = string.Join (", ", options1.Where (s => !string.IsNullOrEmpty (s)).Distinct ());
var line2 = string.Join (", ", options2.Where (s => !string.IsNullOrEmpty (s)));
if (string.IsNullOrEmpty (line1) || string.IsNullOrEmpty (line2))
continue;
cursor.AddRow (new Java.Lang.Object[] {
id++,
line1,
line2,
address.Latitude.ToSafeString () + "|" + address.Longitude.ToSafeString ()
});
}
return cursor;
}
void populatFromAutoComplete(List <StoppingPlace> fromList)
{
MatrixCursor cursor = new MatrixCursor(COLUMNS);
Converter <string, Java.Lang.Object> func = s => new Java.Lang.String(s);
_stopServerList = fromList;
foreach (var stoppingPlace in fromList)
{
cursor.AddRow(Array.ConvertAll <string, Java.Lang.Object> (new string[] { stoppingPlace.Id, stoppingPlace.Name }, func));
}
mSuggestionsAdapter.SwapCursor(cursor);
}
/// <summary>
/// The matrix cursor.
/// </summary>
/// <param name="projection">
/// The projection.
/// </param>
/// <param name="intProjection">
/// The int projection.
/// </param>
/// <param name="entries">
/// The entries.
/// </param>
/// <returns>
/// The Android.Database.MatrixCursor.
/// </returns>
private static MatrixCursor MatrixCursor(
string[] projection, ApezProjection[] intProjection, ZipFileEntry[] entries)
{
var mc = new MatrixCursor(projection, entries.Length);
foreach (ZipFileEntry zer in entries)
{
MatrixCursor.RowBuilder rb = mc.NewRow();
for (int i = 0; i < intProjection.Length; i++)
{
switch (intProjection[i])
{
case ApezProjection.File:
rb.Add(i);
break;
case ApezProjection.FileName:
rb.Add(zer.FilenameInZip);
break;
case ApezProjection.ZipFile:
rb.Add(zer.ZipFileName);
break;
case ApezProjection.Modification:
rb.Add(ZipFile.DateTimeToDosTime(zer.ModifyTime));
break;
case ApezProjection.Crc:
rb.Add(zer.Crc32);
break;
case ApezProjection.CompressedLength:
rb.Add(zer.CompressedSize);
break;
case ApezProjection.UncompressedLength:
rb.Add(zer.FileSize);
break;
case ApezProjection.CompressionType:
rb.Add((int)zer.Method);
break;
}
}
}
return(mc);
}
public MatrixCursor GetNowShowingMovieList()
{
string[] columns = new string[] { "ID", "Title" };
MatrixCursor cursor = new MatrixCursor(columns);
SearchContainerWithDates <SearchMovie> results = client.GetMovieNowPlayingListAsync().Result;
foreach (SearchMovie result in results.Results)
{
MatrixCursor.RowBuilder builder = cursor.NewRow();
builder.Add(result.Id);
builder.Add(result.Title);
}
return(cursor);
}
public override ICursor QueryChildDocuments(string parentDocumentId, string[] projection, string sortOrder)
{
System.Diagnostics.Debug.WriteLine($"QUERY CHILD DOCUMENTS {parentDocumentId} - {projection} - {sortOrder}");
var result = new MatrixCursor(projection ?? DEFAULT_DOCUMENT_PROJECTION);
var row = result.NewRow();
row.Add(DocumentsContract.Document.ColumnDocumentId, "root/testfile");
row.Add(DocumentsContract.Document.ColumnMimeType, "application/octet-stream");
row.Add(DocumentsContract.Document.ColumnDisplayName, "Test file");
row.Add(DocumentsContract.Document.ColumnLastModified, null);
row.Add(DocumentsContract.Document.ColumnFlags, (int)DocumentContractFlags.SupportsMove);
row.Add(DocumentsContract.Document.ColumnSize, null);
return(result);
}
public override ICursor QueryRoots(string[] projection)
{
Log.Verbose(TAG, "queryRoots");
// Create a cursor with either the requested fields, or the default projection. This
// cursor is returned to the Android system picker UI and used to display all roots from
// this provider.
var result = new MatrixCursor(ResolveRootProjection(projection));
// If user is not logged in, return an empty root cursor. This removes our provider from
// the list entirely.
if (!IsUserLoggedIn())
{
return(result);
}
// It's possible to have multiple roots (e.g. for multiple accounts in the same app) -
// just add multiple cursor rows.
// Construct one row for a root called "MyCloud".
MatrixCursor.RowBuilder row = result.NewRow();
row.Add(DocumentsContract.Root.ColumnRootId, ROOT);
row.Add(DocumentsContract.Root.ColumnSummary, Context.GetString(Resource.String.root_summary));
// FLAG_SUPPORTS_CREATE means at least one directory under the root supports creating
// documents. FLAG_SUPPORTS_RECENTS means your application's most recently used
// documents will show up in the "Recents" category. FLAG_SUPPORTS_SEARCH allows users
// to search all documents the application shares.
row.Add(DocumentsContract.Root.ColumnFlags, (int)DocumentRootFlags.SupportsCreate |
(int)DocumentRootFlags.SupportsRecents | (int)DocumentRootFlags.SupportsSearch);
// COLUMN_TITLE is the root title (e.g. what will be displayed to identify your provider).
row.Add(DocumentsContract.Root.ColumnTitle, Context.GetString(Resource.String.app_name));
// This document id must be unique within this provider and consistent across time. The
// system picker UI may save it and refer to it later.
row.Add(DocumentsContract.Root.ColumnDocumentId, GetDocIdForFile(mBaseDir));
// The child MIME types are used to filter the roots and only present to the user roots
// that contain the desired type somewhere in their file hierarchy.
row.Add(DocumentsContract.Root.ColumnMimeTypes, GetChildMimeTypes(mBaseDir));
row.Add(DocumentsContract.Root.ColumnAvailableBytes, mBaseDir.FreeSpace);
row.Add(DocumentsContract.Root.ColumnIcon, Resource.Drawable.icon);
return(result);
}
public override Object LoadInBackground()
{
ICursor albums = base.LoadInBackground() as ICursor;
MatrixCursor allAlbum = new MatrixCursor(PROJECTION);
long count = 0;
if (albums.Count > 0)
{
while (albums.MoveToNext())
{
count += albums.GetLong(3);
}
}
allAlbum.AddRow(new Object[] { Album.ALBUM_ID_ALL, Album.ALBUM_NAME_ALL, MEDIA_ID_DUMMY, $"{count}" });
return(new MergeCursor(new ICursor[] { allAlbum, albums }));
}
public override ICursor Query(Android.Net.Uri uri, string[] projection, string selection, string[] selectionArgs, string sortOrder)
{
/*
* Intent serviceIntent = new Intent(this, Vertix.SearchService.JavaType);
* ServiceConnection serviceConnection = new ServiceConnection();
* BindService(serviceIntent, serviceConnection, Bind.AutoCreate);
*/
MatrixCursor cursor = new MatrixCursor(new string[] { Android.Provider.BaseColumns.Id, SearchManager.SuggestColumnText1, SearchManager.SuggestColumnIntentData }, 0);
if (!string.IsNullOrWhiteSpace(selectionArgs[0]))
{
cursor.AddRow(new Java.Lang.Object[] { "0", "hello", "0/hello" });
cursor.AddRow(new Java.Lang.Object[] { "1", "world", "1/world" });
}
return(cursor);
}
public override ICursor QueryRoots(string[] projection)
{
System.Diagnostics.Debug.WriteLine($"QUERY ROOTS {projection}");
var result = new MatrixCursor(projection ?? DEFAULT_ROOT_PROJECTION);
var row = result.NewRow();
row.Add(DocumentsContract.Root.ColumnRootId, "root");
//row.Add(DocumentsContract.Root.ColumnSummary, "AutoActive archives");
row.Add(DocumentsContract.Root.ColumnFlags, (int)DocumentRootFlags.LocalOnly);
row.Add(DocumentsContract.Root.ColumnIcon, Resource.Drawable.Icon);
row.Add(DocumentsContract.Root.ColumnTitle, "AutoActive");
row.Add(DocumentsContract.Root.ColumnDocumentId, GetDocIDForFile(archivesRoot));
//row.Add(DocumentsContract.Root.ColumnMimeTypes, "application/octet-stream\n*/*");
//row.Add(DocumentsContract.Root.ColumnAvailableBytes, archivesRoot.FreeSpace);
return(result);
}
public override ICursor QueryRoots(string[] projection)
{
// Create a cursor with either the requested fields, or the default projection. This
// cursor is returned to the Android system picker UI and used to display all roots from
// this provider.
var result = new MatrixCursor(ResolveRootProjection(projection));
// It's possible to have multiple roots (e.g. for multiple accounts in the same app) -
// just add multiple cursor rows. Construct one row for a root.
var row = result.NewRow();
row.Add(DocumentsContract.Root.ColumnRootId, Root);
// Если не задано, то показывается размер.
//row.Add(DocumentsContract.Root.ColumnSummary, Context.GetString(Resource.String.root_summary));
// FLAG_SUPPORTS_CREATE means at least one directory under the root supports creating
// documents. FLAG_SUPPORTS_RECENTS means your application's most recently used
// documents will show up in the "Recents" category. FLAG_SUPPORTS_SEARCH allows users
// to search all documents the application shares.
row.Add(DocumentsContract.Root.ColumnFlags, (int)DocumentRootFlags.SupportsCreate |
(int)DocumentRootFlags.SupportsRecents |
(int)DocumentRootFlags.SupportsSearch);
// COLUMN_TITLE is the root title (e.g. what will be displayed to identify your provider).
row.Add(DocumentsContract.Root.ColumnTitle, System.IO.Path.DirectorySeparatorChar.ToString());
// This document id must be unique within this provider and consistent across time. The
// system picker UI may save it and refer to it later.
row.Add(DocumentsContract.Root.ColumnDocumentId, GetDocIdForFile(_baseFolder));
// The child MIME types are used to filter the roots and only present to the user roots
// that contain the desired type somewhere in their file hierarchy.
//row.Add(DocumentsContract.Root.ColumnMimeTypes,
// "image/*\ntext/*\napplication/vnd.openxmlformats-officedocument.wordprocessingml.document\n");
row.Add(DocumentsContract.Root.ColumnAvailableBytes, _baseFolder?.FreeSpace ?? 0);
row.Add(DocumentsContract.Root.ColumnIcon, Resource.Mipmap.ic_launcher);
return(result);
}
public override ICursor QueryChildDocuments(string parentDocumentId, string[] projection, string sortOrder)
{
var result = new MatrixCursor(ResolveDocumentProjection(projection));
var parent = GetFileForDocumentId(parentDocumentId);
var files = parent.ListFiles();
if (files == null || files.Length == 0)
{
return(result);
}
var parentDocId = GetDocIdForFile(parent);
foreach (var file in files)
{
IncludeFile(result, null, file, parentDocId);
}
return(result);
}
public override ICursor QuerySearchDocuments(string rootId, string query, string[] projection)
{
// Create a cursor with the requested projection, or the default projection.
var result = new MatrixCursor(ResolveDocumentProjection(projection));
File parent = GetFileForDocId(rootId);
// This example implementation searches file names for the query and doesn't rank search
// results, so we can stop as soon as we find a sufficient number of matches. Other
// implementations might use other data about files, rather than the file name, to
// produce a match; it might also require a network call to query a remote server.
// Iterate through all files in the file structure under the root until we reach the
// desired number of matches.
var pending = new List <File>();
// Start by adding the parent to the list of files to be processed
pending.Add(parent);
// Do while we still have unexamined files, and fewer than the max search results
while (pending.Any() && result.Count < MAX_SEARCH_RESULTS)
{
// Take a file from the list of unprocessed files
File file = pending [0];
pending.RemoveAt(0);
if (file.IsDirectory)
{
// If it's a directory, add all its children to the unprocessed list
pending.AddRange(file.ListFiles().AsEnumerable());
}
else
{
// If it's a file and it matches, add it to the result cursor.
if (file.Name.ToLower().Contains(query))
{
IncludeFile(result, null, file);
}
}
}
return(result);
}
public override ICursor QueryRoots (string[] projection)
{
Log.Verbose (TAG, "queryRoots");
// Create a cursor with either the requested fields, or the default projection. This
// cursor is returned to the Android system picker UI and used to display all roots from
// this provider.
var result = new MatrixCursor (ResolveRootProjection (projection));
// If user is not logged in, return an empty root cursor. This removes our provider from
// the list entirely.
if (!IsUserLoggedIn ()) {
return result;
}
// It's possible to have multiple roots (e.g. for multiple accounts in the same app) -
// just add multiple cursor rows.
// Construct one row for a root called "MyCloud".
MatrixCursor.RowBuilder row = result.NewRow ();
row.Add (DocumentsContract.Root.ColumnRootId, ROOT);
row.Add (DocumentsContract.Root.ColumnSummary, Context.GetString (Resource.String.root_summary));
// FLAG_SUPPORTS_CREATE means at least one directory under the root supports creating
// documents. FLAG_SUPPORTS_RECENTS means your application's most recently used
// documents will show up in the "Recents" category. FLAG_SUPPORTS_SEARCH allows users
// to search all documents the application shares.
row.Add (DocumentsContract.Root.ColumnFlags, (int)DocumentRootFlags.SupportsCreate |
(int)DocumentRootFlags.SupportsRecents | (int)DocumentRootFlags.SupportsSearch);
// COLUMN_TITLE is the root title (e.g. what will be displayed to identify your provider).
row.Add (DocumentsContract.Root.ColumnTitle, Context.GetString (Resource.String.app_name));
// This document id must be unique within this provider and consistent across time. The
// system picker UI may save it and refer to it later.
row.Add (DocumentsContract.Root.ColumnDocumentId, GetDocIdForFile (mBaseDir));
// The child MIME types are used to filter the roots and only present to the user roots
// that contain the desired type somewhere in their file hierarchy.
row.Add (DocumentsContract.Root.ColumnMimeTypes, GetChildMimeTypes (mBaseDir));
row.Add (DocumentsContract.Root.ColumnAvailableBytes, mBaseDir.FreeSpace);
row.Add (DocumentsContract.Root.ColumnIcon, Resource.Drawable.icon);
return result;
}
/**
* Add a representation of a file to a cursor.
*
* @param result the cursor to modify
* @param docId the document ID representing the desired file (may be null if given file)
* @param file the File object representing the desired file (may be null if given docID)
*/
void IncludeFile (MatrixCursor result, string docId, File file)
{
if (docId == null) {
docId = GetDocIdForFile (file);
} else {
file = GetFileForDocId (docId);
}
DocumentContractFlags flags = (DocumentContractFlags)0;
if (file.IsDirectory) {
// Request the folder to lay out as a grid rather than a list. This also allows a larger
// thumbnail to be displayed for each image.
// flags |= Document.FLAG_DIR_PREFERS_GRID;
// Add FLAG_DIR_SUPPORTS_CREATE if the file is a writable directory.
if (file.IsDirectory && file.CanWrite ()) {
flags |= DocumentContractFlags.DirSupportsCreate;
}
} else if (file.CanWrite ()) {
// If the file is writable set FLAG_SUPPORTS_WRITE and
// FLAG_SUPPORTS_DELETE
flags |= DocumentContractFlags.SupportsWrite;
flags |= DocumentContractFlags.SupportsDelete;
}
string displayName = file.Name;
string mimeType = GetTypeForFile (file);
if (mimeType.StartsWith ("image/")) {
// Allow the image to be represented by a thumbnail rather than an icon
flags |= DocumentContractFlags.SupportsThumbnail;
}
MatrixCursor.RowBuilder row = result.NewRow ();
row.Add (DocumentsContract.Document.ColumnDocumentId, docId);
row.Add (DocumentsContract.Document.ColumnDisplayName, displayName);
row.Add (DocumentsContract.Document.ColumnSize, file.Length ());
row.Add (DocumentsContract.Document.ColumnMimeType, mimeType);
row.Add (DocumentsContract.Document.ColumnLastModified, file.LastModified ());
row.Add (DocumentsContract.Document.ColumnFlags, (int)flags);
// Add a custom icon
row.Add (DocumentsContract.Document.ColumnIcon, Resource.Drawable.icon);
}
public override ICursor QueryChildDocuments (string parentDocumentId, string[] projection, string sortOrder)
{
Log.Verbose (TAG, "queryChildDocuments, parentDocumentId: " + parentDocumentId + " sortOrder: " + sortOrder);
var result = new MatrixCursor (ResolveDocumentProjection (projection));
File parent = GetFileForDocId (parentDocumentId);
foreach (File file in parent.ListFiles ()) {
IncludeFile (result, null, file);
}
return result;
}
public override ICursor QueryDocument (string documentId, string[] projection)
{
Log.Verbose (TAG, "queryDocument");
// Create a cursor with the requested projection, or the default projection.
var result = new MatrixCursor (ResolveDocumentProjection (projection));
IncludeFile (result, documentId, null);
return result;
}
public override ICursor QuerySearchDocuments (string rootId, string query, string[] projection)
{
// Create a cursor with the requested projection, or the default projection.
var result = new MatrixCursor (ResolveDocumentProjection (projection));
File parent = GetFileForDocId (rootId);
// This example implementation searches file names for the query and doesn't rank search
// results, so we can stop as soon as we find a sufficient number of matches. Other
// implementations might use other data about files, rather than the file name, to
// produce a match; it might also require a network call to query a remote server.
// Iterate through all files in the file structure under the root until we reach the
// desired number of matches.
var pending = new List<File>();
// Start by adding the parent to the list of files to be processed
pending.Add (parent);
// Do while we still have unexamined files, and fewer than the max search results
while (pending.Any () && result.Count < MAX_SEARCH_RESULTS) {
// Take a file from the list of unprocessed files
File file = pending [0];
pending.RemoveAt (0);
if (file.IsDirectory) {
// If it's a directory, add all its children to the unprocessed list
pending.AddRange (file.ListFiles ().AsEnumerable ());
} else {
// If it's a file and it matches, add it to the result cursor.
if (file.Name.ToLower().Contains (query)) {
IncludeFile (result, null, file);
}
}
}
return result;
}
public override ICursor QueryRecentDocuments (string rootId, string[] projection)
{
Log.Verbose (TAG, "queryRecentDocuments");
// This example implementation walks a local file structure to find the most recently
// modified files. Other implementations might include making a network call to query a
// server.
// Create a cursor with the requested projection, or the default projection.
var result = new MatrixCursor (ResolveDocumentProjection (projection));
File parent = GetFileForDocId (rootId);
// Create a list to store the most recent documents, which orders by last modified.
var lastModifiedFiles = new List<File> ();
// Iterate through all files and directories in the file structure under the root. If
// the file is more recent than the least recently modified, add it to the queue,
// limiting the number of results.
var pending = new List<File> ();
// Start by adding the parent to the list of files to be processed
pending.Add (parent);
// Do while we still have unexamined files
while (pending.Any ()) {
// Take a file from the front of the list of unprocessed files
File file = pending [0];
pending.RemoveAt (0);
if (file.IsDirectory) {
// If it's a directory, add all its children to the unprocessed list
pending.AddRange (file.ListFiles ().AsEnumerable ());
} else {
// If it's a file, add it to the ordered list.
lastModifiedFiles.Add (file);
}
}
// Sort our list by last modified.
lastModifiedFiles.Sort (new Comparison<File> (delegate (File i, File j) {
return (i.LastModified().CompareTo (j.LastModified ()));
}));
// Add the most recent files to the cursor, not exceeding the max number of results.
for (int i = 0; i < Math.Min (MAX_LAST_MODIFIED + 1, lastModifiedFiles.Count); i++) {
File file = lastModifiedFiles[0];
lastModifiedFiles.RemoveAt (0);
IncludeFile (result, null, file);
}
return result;
}
private void UpdateSearchSuggestions()
{
var matrix = new MatrixCursor(new string[] {BaseColumns.Id,"hint"});
int i = 0;
foreach (var hint in ViewModel.CurrentHintSet.Where(s => s != MainPageSearchView.Query))
{
matrix.AddRow(new Object[] {i,hint});
}
_searchSuggestionAdapter.ChangeCursor(matrix);
}
/// <summary>
/// The matrix cursor.
/// </summary>
/// <param name="projection">
/// The projection.
/// </param>
/// <param name="intProjection">
/// The int projection.
/// </param>
/// <param name="entries">
/// The entries.
/// </param>
/// <returns>
/// The Android.Database.MatrixCursor.
/// </returns>
private static MatrixCursor MatrixCursor(
string[] projection, ApezProjection[] intProjection, ZipFileEntry[] entries)
{
var mc = new MatrixCursor(projection, entries.Length);
foreach (ZipFileEntry zer in entries)
{
MatrixCursor.RowBuilder rb = mc.NewRow();
for (int i = 0; i < intProjection.Length; i++)
{
switch (intProjection[i])
{
case ApezProjection.File:
rb.Add(i);
break;
case ApezProjection.FileName:
rb.Add(zer.FilenameInZip);
break;
case ApezProjection.ZipFile:
rb.Add(zer.ZipFileName);
break;
case ApezProjection.Modification:
rb.Add(ZipFile.DateTimeToDosTime(zer.ModifyTime));
break;
case ApezProjection.Crc:
rb.Add(zer.Crc32);
break;
case ApezProjection.CompressedLength:
rb.Add(zer.CompressedSize);
break;
case ApezProjection.UncompressedLength:
rb.Add(zer.FileSize);
break;
case ApezProjection.CompressionType:
rb.Add((int)zer.Method);
break;
}
}
}
return mc;
}
