/// <summary>
/// Selects and returns the next image
/// </summary>
/// <returns>Next image</returns>
/// <remarks>Switches pages if needed</remarks>
public ImgurImage NextImage()
{
if (lvImages.SelectedItems.Count > 0)
{
ListViewItem I = lvImages.SelectedItems[0];
I.Text = ((ImgurImage)I.Tag).title;
if (I.Index < lvImages.Items.Count - 1)
{
ListViewItem NextItem = lvImages.Items[I.Index + 1];
lvImages.SelectedItems.Clear();
NextItem.Selected = true;
NextItem.EnsureVisible();
return((ImgurImage)NextItem.Tag);
}
else if (CurrentPage < Pages)
{
ShowImages((ImageFilter)lvImages.Tag, ++CurrentPage, (bool)tbFilter.Tag ? null : tbFilter.Text);
I = lvImages.Items[0];
I.Selected = true;
I.EnsureVisible();
return((ImgurImage)I.Tag);
}
}
return(null);
}
private void FillAlbums()
{
Imgur I = new Imgur(S);
List <ImgurAlbum> Albums = new List <ImgurAlbum>();
Invoke((MethodInvoker) delegate
{
cbAlbum.Enabled = false;
cbAlbum.Items.Clear();
cbAlbum.Items.Add("Working...");
cbAlbum.Items.Add("<none>");
cbAlbum.SelectedIndex = 0;
});
Albums.AddRange(I.GetAccountAlbums().OrderBy(m => m.title));
Invoke((MethodInvoker) delegate
{
cbAlbum.Items.RemoveAt(0);
cbAlbum.SelectedIndex = 0;
foreach (ImgurAlbum A in Albums)
{
cbAlbum.Items.Add(new AlbumEntry(A));
}
cbAlbum.Enabled = true;
});
}
/// <summary>
/// Selects and returns the previous image
/// </summary>
/// <returns>Previous image</returns>
/// <remarks>Switches pages if needed</remarks>
public ImgurImage PrevImage()
{
if (lvImages.SelectedItems.Count > 0)
{
ListViewItem I = lvImages.SelectedItems[0];
//Update title in case it was changed in the form
I.Text = ((ImgurImage)I.Tag).title;
if (I.Index > 0)
{
ListViewItem PrevItem = lvImages.Items[I.Index - 1];
lvImages.SelectedItems.Clear();
PrevItem.Selected = true;
PrevItem.EnsureVisible();
return((ImgurImage)PrevItem.Tag);
}
else if (CurrentPage > 1)
{
ShowImages((ImageFilter)lvImages.Tag, --CurrentPage, (bool)tbFilter.Tag ? null : tbFilter.Text);
I = lvImages.Items.OfType <ListViewItem>().Last();
I.Selected = true;
I.EnsureVisible();
return((ImgurImage)I.Tag);
}
}
return(null);
}
/// <summary>
/// Gets the thumbnail associated with the given metadata
/// </summary>
/// <param name="I">Image metadata</param>
/// <returns>Image file, null if not found</returns>
/// <remarks>Downloads the image to cache if necessary</remarks>
public static byte[] GetThumbnail(ImgurImage I)
{
string ThumbFile = Path.Combine(_thumbDir, GetThumbnailName(I));
if (!File.Exists(ThumbFile))
{
File.WriteAllBytes(ThumbFile, Imgur.GetImage(I, ImgurImageSize.BigSquare, false));
}
return(File.ReadAllBytes(ThumbFile));
}
/// <summary>
/// Saves changes
/// </summary>
/// <returns>"True", if saved</returns>
private bool Save()
{
string newTitle = string.IsNullOrEmpty(tbTitle.Text) ? null : tbTitle.Text;
string newDesc = string.IsNullOrEmpty(tbDesc.Text) ? null : tbDesc.Text;
if (I.title != newTitle || I.description != newDesc)
{
//Replace empty strings with null
I.title = newTitle;
I.description = newDesc;
Imgur imgur = new Imgur(S);
bool Result = false;
Exception TaskException = null;
Task.Run(async delegate
{
try
{
Result = await imgur.SetImageDescription(I, I.title, I.description);
}
catch (Exception ex)
{
TaskException = ex;
Result = false;
}
}).Wait();
if (Result)
{
//Replace updated image in cache
ImgurImage[] All = Cache.Images;
for (int i = 0; i < All.Length; i++)
{
if (All[i].id == I.id)
{
All[i] = I;
}
}
Cache.Images = All;
return(true);
}
else
{
if (TaskException != null)
{
MessageBox.Show("Unable to set new image properties", "Unable to update image", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
MessageBox.Show($"Unable to set new image properties. Details: {TaskException.Message}", "Unable to update image", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
return(false);
}
return(true);
}
static void Main()
{
Settings S;
if (File.Exists(SettingsFile))
{
//Load existing settings
S = Tools.LoadSettings(SettingsFile);
}
else
{
//Create default settings
S = new Settings()
{
Client = new Client()
{
//I recommend you also set a secret in the settings.
//Without a secret we can get a token, but not refresh it
Id = "a5e26e2dac343b6"
}
};
Tools.SaveSettings(S, SettingsFile);
}
//Clear any invalid items from the cache
if (Cache.Images != null)
{
ImgurImage[] CacheImages = Cache.Images;
if (CacheImages.Any(m => m == null))
{
Cache.Images = CacheImages.Where(m => m != null).ToArray();
}
}
//Try to refresh the token if expired or close to expiration
Imgur I = new Imgur(S);
//Update initial credits values
I.CheckCredits().Wait();
if (!string.IsNullOrEmpty(S.Token.Access) && S.Token.Expires < DateTime.UtcNow.AddDays(7))
{
if (I.RenewToken().Result)
{
Tools.SaveSettings(S, SettingsFile);
}
else
{
MessageBox.Show("Unable to refresh your API token.\r\nPlease Authorize the application again.", "Token Refresh Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new FrmMain(S));
}
/// <summary>
/// Gets the image file associated with the given metadata
/// </summary>
/// <param name="I">Image metadata</param>
/// <returns>Image file, null if not found</returns>
/// <remarks>Downloads the image to cache if necessary</remarks>
public static byte[] GetImage(ImgurImage I)
{
string ImageFile = Path.Combine(_imageDir, GetImageName(I));
if (!File.Exists(ImageFile))
{
//Add image to cache if not found
File.WriteAllBytes(ImageFile, Imgur.GetImage(I, ImgurImageSize.Original, false));
//New images are at the start
Images = (new ImgurImage[] { I }).Concat(Images).ToArray();
}
return(File.ReadAllBytes(ImageFile));
}
private bool DeleteAlbums(ImgurAlbum[] Albums)
{
if (Albums.Length > 0)
{
Imgur I = new Imgur(S);
if (MessageBox.Show("Delete the selected albums? Images will not be deleted", $"Delete {Albums.Length} albums", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation) == DialogResult.Yes)
{
Task.WaitAll(Albums.Select(m => I.DeleteAlbum(m)).ToArray());
return(true);
}
}
return(false);
}
/// <summary>
/// Uploads the selected image
/// </summary>
/// <param name="sender">Event sender</param>
/// <param name="e">Event arguments</param>
private async void BtnUpload_Click(object sender, EventArgs e)
{
byte[] Data = null;
try
{
if (UseClipboard)
{
using (MemoryStream MS = new MemoryStream())
{
pbPreview.Image.Save(MS, ImageFormat.Png);
Data = MS.ToArray();
}
}
else
{
Data = File.ReadAllBytes(tbImage.Text);
}
}
catch (Exception ex)
{
MessageBox.Show($"Unable to read file. Reason: {ex.Message}", "File read Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
if (Data != null)
{
Imgur I = new Imgur(S);
try
{
ImgurImage img = await I.UploadImage(Data, Path.GetFileName(tbImage.Text), tbTitle.Text, tbDescription.Text);
if (img != null)
{
//Add new image
Cache.Images = (new ImgurImage[] { img }).Concat(Cache.Images).ToArray();
DialogResult = DialogResult.OK;
Close();
}
else
{
throw new Exception("Imgur API did not accept the image");
}
}
catch (Exception ex)
{
MessageBox.Show($"Unable to upload your image. Reason: {ex.Message}", "File read Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
/// <summary>
/// Sets the currently shown image
/// </summary>
/// <param name="I">Current image</param>
private void SetImage(ImgurImage I)
{
this.I = I;
Text = $"Image Properties [{I.name}] ({I.views} views)";
tbTitle.Text = I.title;
//Imgur uses \n only
if (string.IsNullOrEmpty(I.description))
{
tbDesc.Text = string.Empty;
}
else
{
tbDesc.Lines = I.description.Split('\n');
}
if (!I.animated)
{
using (MemoryStream MS = new MemoryStream(Cache.GetImage(I)))
{
using (Image img = Image.FromStream(MS))
{
pbImage.Image = (Image)img.Clone();
}
}
}
else
{
//var Imgur = new Imgur(S);
//This is a temporary solution until I can figure out how to play GIF animations again
using (MemoryStream MS = new MemoryStream(Imgur.GetImage(I, ImgurImageSize.HugeThumbnail, false)))
{
using (Image img = Image.FromStream(MS))
{
pbImage.Image = (Image)img.Clone();
}
}
}
ScaleImage();
tbTitle.Focus();
tbTitle.SelectAll();
}
/// <summary>
/// Initializes a new main form
/// </summary>
/// <param name="S">Current settings</param>
public FrmMain(Settings S)
{
this.S = S;
InitializeComponent();
TbFilter_Leave(null, null);
//Program.Main already tries to authorize.
//If the date is still in the past, the user has to do so manually.
if (S.Token.Expires < DateTime.UtcNow)
{
using (frmAuth f = new frmAuth(S))
{
if (f.ShowDialog() == DialogResult.OK)
{
Tools.SaveSettings(S, Program.SettingsFile);
}
else
{
MessageBox.Show("Could not authorize this application. Will exit now.", "No Authorization", MessageBoxButtons.OK, MessageBoxIcon.Error);
Environment.Exit(1);
return;
}
}
}
I = new Imgur(S);
if (S.UI.MainWindowMaximized)
{
WindowState = FormWindowState.Maximized;
}
else
{
Size ConfigSize = S.UI.MainWindowSize;
if (ConfigSize.Height >= MinimumSize.Height && ConfigSize.Width >= MinimumSize.Width)
{
Size = ConfigSize;
}
}
InitPages();
}
/// <summary>
/// Authorizes the application using OAuth2
/// </summary>
/// <param name="sender">Event sender</param>
/// <param name="e">Event arguments</param>
private void AuthorizeToolStripMenuItem_Click(object sender, EventArgs e)
{
if (S.Token.Expires < DateTime.UtcNow || MessageBox.Show($"This app is already authorized until {S.Token.Expires.ToShortDateString()} and connected to your account. Reauthorization will erase the cache.\r\nContinue?", "Authorization", MessageBoxButtons.YesNo, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
using (frmAuth fAuth = new frmAuth(S))
{
if (fAuth.ShowDialog() == DialogResult.OK)
{
Cache.ClearThumbnails();
Cache.ClearImages();
using (frmCacheBuilder fCache = new frmCacheBuilder(S))
{
fCache.ShowDialog();
}
I = new Imgur(S);
InitPages();
}
else
{
MessageBox.Show("Unable to authorize your client. Your current authorization will be kept. Please try again", "Authorization Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
private void LoadAlbums()
{
Imgur I = new Imgur(S);
ImageList IL = new ImageList()
{
ImageSize = new Size(160, 160),
ColorDepth = ColorDepth.Depth32Bit
};
lvAlbums.Items.Clear();
lvAlbums.Items.Add("Loading...");
lvAlbums.Enabled = false;
Thread T = new Thread(delegate()
{
using (MemoryStream MS = new MemoryStream(Tools.ConvertImage(Tools.GetResource("imgur.ico"), ImageFormat.Jpeg), false))
{
IL.Images.Add(Image.FromStream(MS));
}
List <ListViewItem> Entries = new List <ListViewItem>();
foreach (ImgurAlbum Album in I.GetAccountAlbums())
{
if (Album.cover == null)
{
if (Album.images_count > 0)
{
ImgurImage[] AlbumImages = I.GetAlbumImages(Album.id).Result;
if (AlbumImages != null)
{
//Use first image as cover
Album.cover = AlbumImages[0].id;
}
}
}
if (!string.IsNullOrEmpty(Album.cover))
{
using (MemoryStream MS = new MemoryStream(Cache.GetThumbnail(Album.cover), false))
{
IL.Images.Add(Image.FromStream(MS));
}
}
ListViewItem Item = new ListViewItem(Album.title ?? string.Empty)
{
ImageIndex = string.IsNullOrEmpty(Album.cover) ? 0 : IL.Images.Count - 1,
Tag = Album,
ToolTipText = $"[{Album.title}] {Album.description}"
};
Entries.Add(Item);
}
Invoke((MethodInvoker) delegate
{
lvAlbums.SuspendLayout();
lvAlbums.Items.Clear();
if (lvAlbums.LargeImageList != null)
{
lvAlbums.LargeImageList.Dispose();
}
lvAlbums.LargeImageList = IL;
lvAlbums.Items.AddRange(Entries.ToArray());
lvAlbums.ResumeLayout();
lvAlbums.Enabled = true;
});
})
{
IsBackground = true
};
T.Start();
}
/// <summary>
/// Initializes a new cache builder
/// </summary>
/// <param name="S">Current settings</param>
public frmCacheBuilder(Settings S)
{
InitializeComponent();
I = new Imgur(S);
}
private async void BtnStartUpload_Click(object sender, EventArgs e)
{
SetControlState(false);
Stack <FileNameItem> ItemList = new Stack <FileNameItem>(lbFileList.Items.OfType <FileNameItem>().Reverse());
Imgur I = new Imgur(S);
if (ItemList.Count > 0)
{
string AlbumId = cbAlbum.SelectedIndex > 0 ? ((AlbumEntry)cbAlbum.SelectedItem).Id : null;
List <string> Images = AlbumId == null ? null : (await I.GetAlbumImages(AlbumId)).Select(m => m.id).ToList();
lbFileList.SelectedIndex = 0;
while (ItemList.Count > 0)
{
FileNameItem Current = ItemList.Pop();
ImgurImage Img = await I.UploadImage(
File.ReadAllBytes(Current.LongName),
Path.GetFileName(Current.LongName),
FormatFileString(tbTitle.Text, Current.LongName),
cbDescDate.Checked?DateTime.UtcNow.ToString(@"yyyy-MM-dd HH:mm:ss \U\T\C") : "");
if (Img != null)
{
if (Images != null)
{
Images.Add(Img.id);
}
Cache.GetImage(Img);
lbFileList.Items.RemoveAt(0);
}
else
{
//Add failed image back to the queue
ItemList.Push(Current);
//Ask user to retry or cancel
if (MessageBox.Show("Failed to upload an image. Response: " + I.LastError, "Upload failed", MessageBoxButtons.RetryCancel, MessageBoxIcon.Exclamation) == DialogResult.Cancel)
{
break;
}
}
}
if (Images != null)
{
while (
!await I.SetAlbumImages(AlbumId, Images) &&
MessageBox.Show("Failed to add uploaded images to the album. Response: " + I.LastError, "Album change failed", MessageBoxButtons.RetryCancel, MessageBoxIcon.Exclamation) == DialogResult.Retry)
{
;
}
}
if (lbFileList.Items.Count == 0)
{
DialogResult = DialogResult.OK;
}
else
{
SetControlState(true);
}
}
else
{
MessageBox.Show("Please select at least one file to upload.", "No files", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
