protected void AddSaveDeleteButtons()
{
if (loggedUsername != null)
{
int loggedUserId = App_Code.SqlUtilities.GetUserId(loggedUsername);
App_Code.User loggedUsr = new App_Code.User(loggedUserId);
App_Code.Image img = new App_Code.Image(imageId);
if ((img.UploaderId == loggedUserId || loggedUsr.IsAdmin) && DeleteSaveButtonsHolder.Controls.Count < 1)
{
Button deleteImage = new Button();
deleteImage.ID = "DeteleImageButton";
deleteImage.Text = "Delete Image";
deleteImage.Click += DeleteImage;
DeleteSaveButtonsHolder.Controls.Add(deleteImage);
}
if (ViewState["editedImagePath"] != null && DeleteSaveButtonsHolder.Controls.Count < 2)
{
Button saveImage = new Button();
saveImage.ID = "SaveImageButton";
saveImage.Click += SaveImage;
saveImage.Text = "Save image";
DeleteSaveButtonsHolder.Controls.Add(saveImage);
}
}
}
protected void EnhanceImage_Click(object sender, EventArgs e)
{
MLApp.MLApp matlab = new MLApp.MLApp();
matlab.Execute("cd " + Server.MapPath(MATLAB_FUNCTIONS_FOLDER));
object result = null;
App_Code.Image image = App_Code.SqlUtilities.GetImage(int.Parse(Request["id"]));
string[] temp = image.Path.Split('/');
string imageName = temp[temp.Length - 1];
matlab.Feval("enhance", 1, out result, Server.MapPath(image.Path), imageName, loggedUsername);
object[] res = result as object[];
string resultPath = "~/Images/" + loggedUsername + "/" + (string)res[0];
System.Web.UI.WebControls.Image imageControl = (System.Web.UI.WebControls.Image)ThumbnailsHolder.Controls[1];
imageControl.ImageUrl = resultPath;
if (ViewState["editedImagePath"] != null)
{
DeleteImage(null, null);
}
ViewState["editedImagePath"] = resultPath;
AddSaveDeleteButtons();
}
protected void AppendThumbnailsToMainPlaceholder(object sender, EventArgs e)
{
App_Code.Category category = App_Code.SqlUtilities.GetCategory(categoryId);
int lastAppendedImg = (int)Session["LastAppended"];
lastAppendedImg += NR_OF_APPENDED_IMGES;
int appendedImage = 0;
for (; category != null && appendedImage < lastAppendedImg && appendedImage < category.Images.Count; ++appendedImage)
{
App_Code.Image img = category.Images[appendedImage];
ImageButton currImg = new ImageButton();
currImg.ID = img.Id.ToString();
currImg.ImageUrl = img.Path;
currImg.Height = 600;
currImg.Width = 500;
currImg.PostBackUrl = "Image.aspx?id=" + img.Id.ToString();
currImg.BorderWidth = 20;
currImg.BorderColor = System.Drawing.Color.White;
ThumbnailsHolder.Controls.Add(currImg);
}
Session["LastAppended"] = appendedImage;
}
private void AddImagesToMainPlaceholder()
{
ContentPlaceHolder maincph = (ContentPlaceHolder)this.Master.FindControl("Main");
List <App_Code.Category> categories = App_Code.SqlUtilities.GetCategoriesNames();
foreach (App_Code.Category category in categories)
{
App_Code.Category categ = App_Code.SqlUtilities.GetCategory(category.Id);
if (categ == null)
{
continue;
}
Panel imagesHolder = new Panel();
imagesHolder.ID = category.Name + "Holder";
imagesHolder.BorderColor = System.Drawing.Color.Black;
imagesHolder.BorderWidth = 3;
imagesHolder.HorizontalAlign = HorizontalAlign.Center;
maincph.Controls.Add(imagesHolder);
Label categName = new Label();
categName.Text = category.Name;
categName.Font.Size = 15;
imagesHolder.Controls.Add(categName);
imagesHolder.Controls.Add(new LiteralControl("<br />"));
for (int i = 0; i < categ.Images.Count && i < NR_OF_IMAGES_PER_CATEGORY; ++i)
{
App_Code.Image img = categ.Images[i];
ImageButton currImg = new ImageButton();
currImg.ID = category.Name + img.Id.ToString();
currImg.ImageUrl = img.Path;
currImg.Height = 600;
currImg.Width = 500;
currImg.PostBackUrl = "Image.aspx?id=" + img.Id.ToString();
currImg.BorderWidth = 20;
currImg.BorderColor = System.Drawing.Color.White;
imagesHolder.Controls.Add(currImg);
}
}
}
private void AddImage()
{
App_Code.Image image = new App_Code.Image(imageId);
System.Web.UI.WebControls.Image imageControl = new System.Web.UI.WebControls.Image();
imageControl.ImageUrl = image.Path;
imageControl.ID = imageId.ToString();
imageControl.ImageAlign = ImageAlign.Middle;
ThumbnailsHolder.Controls.Add(imageControl);
Label imageDescription = new Label();
imageDescription.Text = image.Description;
imageDescription.Font.Bold = true;
imageDescription.Font.Size = 15;
ImageDescriptionHolder.Controls.Add(imageDescription);
ImageDescriptionHolder.BorderWidth = 15;
ImageDescriptionHolder.BorderColor = System.Drawing.Color.White;
}
protected void DeleteImage(object sender, EventArgs e)
{
if(ViewState["editedImagePath"] != null)
{
string path = (string)ViewState["editedImagePath"];
File.Delete(Server.MapPath(path));
if(sender != null && e != null)
{
Response.Redirect(Request.Url.AbsolutePath);
}
}
else
{
App_Code.Image image = new App_Code.Image(imageId);
App_Code.SqlUtilities.RemoveImage(imageId);
File.Delete(Server.MapPath(image.Path));
Response.Redirect("Profile.aspx");
}
}
protected void SaveImage(object sender, EventArgs e)
{
if(loggedUsername != null)
{
string path = (string)ViewState["editedImagePath"];
// check if the same image has not been saved before
if(App_Code.SqlUtilities.GetImageId(path) != -1)
{
return;
}
App_Code.Image img = new App_Code.Image(imageId);
int userId = App_Code.SqlUtilities.GetUserId(loggedUsername);
if(img.UploaderId != userId)
{
PageMessage.Text = "You cannot save this image as you are not the owner of it.";
return;
}
App_Code.SqlUtilities.InsertIntoImages(loggedUsername, path, img.Description, img.City, img.Country);
int imgId = App_Code.SqlUtilities.GetImageId(path);
App_Code.SqlUtilities.InsertIntoEdited(imgId, userId);
}
}
