private void btnRemoveImage_Click(object sender, EventArgs e)
{
if (DgwLessonsImages.SelectedRows.Count == 0)
{
MessageBox.Show("Selezionare nella griglia un'immagine da cancellare");
return;
}
picImage.Image = null;
currentImage = ((List <DbClasses.Image>)DgwLessonsImages.DataSource)[DgwLessonsImages.SelectedRows[0].Index];
if (MessageBox.Show("Vuole cancellare il file dell'immagine (Sì) o solo il collegamento a questa lezione (No)?",
"Cancellazione Immagine", MessageBoxButtons.YesNo, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2)
== DialogResult.Yes)
{
db.RemoveImageFromLesson(currentLesson, currentImage, true);
}
else
{
db.RemoveImageFromLesson(currentLesson, currentImage, false);
}
DgwLessonsImages.DataSource = db.GetLessonsImagesList(currentLesson);
try
{
currentImage = ((List <DbClasses.Image>)DgwLessonsImages.DataSource)[0];
}catch { }
LoadImage();
}
private void DgwLessonsImages_RowEnter(object sender, DataGridViewCellEventArgs e)
{
DgwLessonsImages.Rows[e.RowIndex].Selected = true;
currentImage = ((List <DbClasses.Image>)DgwLessonsImages.DataSource)[e.RowIndex];
LoadImage();
txtCaption.Text = currentImage.Caption;
//indexImages = e.RowIndex;
}
private void dgwLessonsImages_RowEnter(object sender, DataGridViewCellEventArgs e)
{
if (e.RowIndex > -1)
{
dgwLessonsImages.Rows[e.RowIndex].Selected = true;
currentImage = ((List <DbClasses.Image>)dgwLessonsImages.DataSource)[e.RowIndex];
currentIndexInImages = e.RowIndex;
loadCurrentImage();
}
}
private void FirstImage()
{
if (listImages.Count > 0)
{
DgwLessonsImages.Rows[indexImages].Selected = false;
indexImages = 0;
currentImage = (DbClasses.Image)listImages[indexImages];
LoadImage();
DgwLessonsImages.Rows[indexImages].Selected = true;
}
}
private void firstImage()
{
if (listImages.Count > 0)
{
dgwLessonsImages.Rows[currentIndexInImages].Selected = false;
currentIndexInImages = 0;
currentImage = (DbClasses.Image)listImages[currentIndexInImages];
loadCurrentImage();
dgwLessonsImages.Rows[currentIndexInImages].Selected = true;
}
}
private void PreviousImage()
{
if (listImages.Count > 0)
{
DgwLessonsImages.Rows[indexImages].Selected = false;
if (indexImages == 0)
{
indexImages = listImages.Count;
}
indexImages--;
currentImage = (DbClasses.Image)listImages[indexImages];
LoadImage();
DgwLessonsImages.Rows[indexImages].Selected = true;
}
}
private void btnSave_Click(object sender, EventArgs e)
{
int localIndex = DgwLessonsImages.SelectedRows[0].Index;
currentImage.Caption = txtCaption.Text;
db.SaveImage(currentImage);
// refresh images in grid
DgwLessonsImages.DataSource = db.GetLessonsImagesList(currentLesson);
indexImages = localIndex;
currentImage = ((List <DbClasses.Image>)DgwLessonsImages.DataSource)[localIndex];
LoadImage();
txtCaption.Text = currentImage.Caption;
DgwLessonsImages.Rows[localIndex].Selected = false;
DgwLessonsImages.Rows[localIndex].Selected = true;
}
private void previousImage()
{
if (listImages.Count > 0)
{
dgwLessonsImages.Rows[currentIndexInImages].Selected = false;
if (currentIndexInImages == 0)
{
currentIndexInImages = listImages.Count;
}
currentIndexInImages--;
currentImage = (DbClasses.Image)listImages[currentIndexInImages];
loadCurrentImage();
dgwLessonsImages.Rows[currentIndexInImages].Selected = true;
}
}
private void justLinkFileToLesson(string sourcePathAndFileName)
{
DbClasses.Image currentImage = Commons.bl.FindImageWithGivenFile(sourcePathAndFileName);
// if the image that reference to the file isn't anymore in the database
// create a new image that references to this file
// (eg. if the lesson has been deleted from the database together with its images, but
// the file is (somehow) still there)
if (currentImage == null)
{
currentImage = new DbClasses.Image();
currentImage.IdImage = 0;
currentImage.RelativePathAndFilename = sourcePathAndFileName.Remove(0, Commons.PathImages.Length + 1);
}
currentImage.Caption = txtCaption.Text;
Commons.bl.LinkOneImageToLesson(currentImage, currentLesson);
}
private void btnSave_Click(object sender, EventArgs e)
{
if (dgwLessonsImages.SelectedRows != null)
{
int localIndex = dgwLessonsImages.SelectedRows[0].Index;
currentImage.Caption = txtCaption.Text;
Commons.bl.SaveImage(currentImage);
currentIndexInImages = localIndex;
refreshUi(currentIndexInImages);
currentImage = ((List <DbClasses.Image>)dgwLessonsImages.DataSource)[localIndex];
loadCurrentImage();
//txtCaption.Text = currentImage.Caption;
//DgwLessonsImages.Rows[localIndex].Selected = false;
//DgwLessonsImages.Rows[localIndex].Selected = true;
}
}
private void btnRemoveImage_Click(object sender, EventArgs e)
{
// values before
int oldIndex = currentIndexInImages;
if (dgwLessonsImages.SelectedRows.Count == 0)
{
MessageBox.Show("Selezionare nella griglia un'immagine da cancellare");
return;
}
picImage.Image = null;
// read from grid the data of the image to delete
currentImage = ((List <DbClasses.Image>)dgwLessonsImages.DataSource)[dgwLessonsImages.SelectedRows[0].Index];
DialogResult r = MessageBox.Show(" (Sì) Cancella anche il FILE dell'immagine '" + currentImage.Caption + "';" +
"\n (No) Cancella il solo collegamento a questa lezione; " +
"\n (Annulla) Non cancella nulla.",
"Cancellazione Immagine", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2);
if (r == DialogResult.Yes)
{
Commons.bl.RemoveImageFromLesson(currentLesson, currentImage, true);
}
else if (r == DialogResult.No)
{
Commons.bl.RemoveImageFromLesson(currentLesson, currentImage, false);
}
else
{
return;
}
if (currentIndexInImages > 0)
{
currentIndexInImages = oldIndex - 1;
}
try
{
currentImage = ((List <DbClasses.Image>)dgwLessonsImages.DataSource)[currentIndexInImages];
}
catch { }
loadCurrentImage();
refreshUi(currentIndexInImages);
}
private void frmImages_Load(object sender, EventArgs e)
{
txtLessonDate.Text = currentLesson.Date.ToString();
txtSchoolYear.Text = currentClass.SchoolYear;
txtClass.Text = currentClass.Abbreviation;
txtSchoolSubject.Text = currentLesson.IdSchoolSubject;
txtLessonCode.Text = currentLesson.IdLesson.ToString();;
txtLessonDesc.Text = currentLesson.Note;
DgwLessonsImages.DataSource = listImages;
if (type == ImagesFormType.ShowImage)
{
picImage.Location = new System.Drawing.Point(0, 0);
picImage.Size = this.Size;
currentImage = listImages[0];
LoadImage();
//picImage.Load(Commons.PathImages + "\\"+ listImages[0].RelativePathAndFilename);
}
else if (type == ImagesFormType.NormalManagement)
{
DgwLessonsImages.DataSource = listImages;
}
if (listImages.Count > 0)
{
currentImage = listImages[0];
LoadImage();
}
else
{
currentImage = new DbClasses.Image();
}
if (currentSubject != null)
{
int col = (int)currentSubject.Color;
this.BackColor = Commons.ColorFromNumber(currentSubject);
rdbAutoRename_CheckedChanged(null, null);
}
}
private void btnAddImage_Click(object sender, EventArgs e)
{
if (txtFileImportImage.Text != "")
{
string sourcePathAndFileName = txtPathImportImage.Text + "\\" +
txtFileImportImage.Text;
// if the chosen file is already in the image path, the program
// will avoid copying it under the image path and will link to the
// existing file instead
if (txtPathImportImage.Text.Contains(Commons.PathImages))
{
// chosen file is inside the images path
// does not copy and rename the file
// this spares HDD space on teachers' machine
justLinkFileToLesson(sourcePathAndFileName);
}
else
{
// chosen file is outside the images path
copyFileToImagesAndLinkToLessons(sourcePathAndFileName);
}
try
{
picImage.Load(sourcePathAndFileName);
}
catch
{
Console.Beep();
};
// goto the last in the grid (the one just added)
currentIndexInImages = dgwLessonsImages.Rows.Count;
if (currentIndexInImages < 0)
{
currentIndexInImages = 0;
}
refreshUi(currentIndexInImages);
// load data from the last
currentImage = ((List <DbClasses.Image>)dgwLessonsImages.DataSource)[dgwLessonsImages.Rows.Count - 1];
loadCurrentImage();
}
}
