protected void imagesGridView_SelectedIndexChanged(object sender, EventArgs e)
{
GigaGalleryWS ws = new GigaGalleryWS();
if (Session["selectedAlbumId"] == null)
{
return;
}
Img[] images = ws.GetAlbumImages((int)Session["selectedAlbumId"]);
if (images == null)
{
this.errorLabel.Text = "Album is empty, please insert some images!";
this.errorLabel.Visible = true;
return;
}
Img selectedImg = null;
foreach (Img img in images)
{
if (img.ImageName == Context.Server.HtmlDecode(this.imagesGridView.SelectedRow.Cells[2].Text))
{
selectedImg = img;
}
}
if (selectedImg == null)
{
this.errorLabel.Text = "The selected image does not exist in this album!";
this.errorLabel.Visible = true;
return;
}
else
{
string beginPath = "~\\UserImages\\";
string imagePath = selectedImg.ImageFilePath;
this.selectedImagePreview.ImageUrl = beginPath + imagePath;
this.selectedImagePreview.DataBind();
this.selectedImagePreview.Visible = true;
this.updateDropDownParams(sender, e);
}
}
protected void deleteImageBtn_Click(object sender, EventArgs e)
{
this.errorLabel.Visible = false;
GigaGalleryWS ws = new GigaGalleryWS();
if (Session["selectedAlbumId"] == null)
{
return;
}
Img[] images = ws.GetAlbumImages((int)Session["selectedAlbumId"]);
if (images == null)
{
this.errorLabel.Text = "Album is empty, please insert some images!";
this.errorLabel.Visible = true;
return;
}
Img selectedImg = null;
foreach (Img img in images)
{
if (img.ImageName == Context.Server.HtmlDecode(this.imagesGridView.SelectedRow.Cells[2].Text))
{
selectedImg = img;
}
}
if (selectedImg == null)
{
this.errorLabel.Text = "The selected image does not exist in this album!";
this.errorLabel.Visible = true;
return;
}
else
{
if (ws.DeleteImage(selectedImg))
{
this.imagesGridView.DataBind();
}
else
{
this.errorLabel.Text = "Could not delete the selected image, try again later!";
this.errorLabel.Visible = true;
}
string beginPath = Request.PhysicalApplicationPath + "UserImages";
string imagePath = selectedImg.ImageFilePath;
// Delete physical file.
if (System.IO.File.Exists(beginPath + imagePath))
{
System.IO.File.Delete(beginPath + imagePath);
this.imagesGridView.SelectedIndex = -1;
}
else
{
this.errorLabel.Text = "Could not delete physical file instance!";
this.errorLabel.Visible = true;
this.imagesGridView.SelectedIndex = -1;
this.imagesGridView.DataBind();
this.updateDropDownParams(sender, e);
return;
}
}
}
protected void changeImageNameBtn_Click(object sender, EventArgs e)
{
this.errorLabel.Visible = false;
GigaGalleryWS ws = new GigaGalleryWS();
if (Session["selectedAlbumId"] == null)
{
// No album was selected.
this.errorLabel.Text = "No album was selected! Please select an album!";
this.errorLabel.Visible = true;
return;
}
Img[] images = ws.GetAlbumImages((int)Session["selectedAlbumId"]);
if (images == null)
{
this.errorLabel.Text = "Album is empty, please insert some images!";
this.errorLabel.Visible = true;
return;
}
Img selectedImg = null;
foreach (Img img in images)
{
if (img.ImageName == Context.Server.HtmlDecode(this.imagesGridView.SelectedRow.Cells[2].Text))
{
selectedImg = img;
}
}
if (selectedImg == null)
{
this.errorLabel.Text = "The selected image does not exist in this album!";
this.errorLabel.Visible = true;
return;
}
else
{
UserValidationWS validationWS = new UserValidationWS();
string newName = this.changeImageNameTB.Text.Trim();
if (validationWS.isImageNameValid(newName))
{
selectedImg.ImageName = newName;
bool res = false;
try
{
res = ws.UpdateImage(selectedImg);
}
catch
{
this.errorLabel.Text = "Invalid Action!";
this.errorLabel.Visible = true;
this.imagesGridView.DataBind();
this.imagesGridView.SelectedIndex = -1;
return;
}
if (res)
{
this.imagesGridView.DataBind();
this.imagesGridView.SelectedIndex = -1;
this.updateDropDownParams(sender, e);
}
else
{
this.errorLabel.Text = "Could not update the image name, try again later!";
this.errorLabel.Visible = true;
this.imagesGridView.SelectedIndex = -1;
}
}
else
{
this.errorLabel.Text = validationWS.imageNameLengthInvalidMessage();
this.errorLabel.Visible = true;
this.imagesGridView.SelectedIndex = -1;
return;
}
}
}
