/// <summary>
/// Displays an <see cref="OpenFileDialog"/> with Multiselect enabled and creates a <see cref="UserControlFile"/> instance
/// for each file provided in the dialog.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonAddFiles_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Multiselect = true;
if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
foreach (string file in openFileDialog.FileNames)
{
UserControlFile userControlFile = new UserControlFile(file, this);
// Determine the y coordinate of the new user control
int numberOfFiles = UserControlFiles.Count;
int yCoordinate = (userControlFile.Height + 10) * numberOfFiles;
userControlFile.Location = new Point(0, yCoordinate);
UserControlFiles.Add(userControlFile);
panelFiles.Controls.Add(userControlFile);
}
}
// If there's at least one file, enable certain buttons
if (UserControlFiles.Count > 0)
{
buttonRemoveAll.Enabled = true;
buttonRemoveSelected.Enabled = true;
}
RebuildPanelControls();
}
/// <summary>
/// Prompts a folder browser dialog, gets all the file paths from the selected folder, and adds them to the file list.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonOpenFolder_Click(object sender, EventArgs e)
{
FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog();
if (folderBrowserDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
foreach (string file in System.IO.Directory.GetFiles(folderBrowserDialog.SelectedPath))
{
UserControlFile userControlFile = new UserControlFile(file, this);
// Determine the y coordinate of the new user control
int numberOfFiles = UserControlFiles.Count;
int yCoordinate = (userControlFile.Height + 10) * numberOfFiles;
userControlFile.Location = new Point(0, yCoordinate);
UserControlFiles.Add(userControlFile);
panelFiles.Controls.Add(userControlFile);
}
// If there's at least one file, enable certain buttons
if (UserControlFiles.Count > 0)
{
buttonRemoveAll.Enabled = true;
buttonRemoveSelected.Enabled = true;
}
RebuildPanelControls();
}
}
/// <summary>
/// Tries to set userControlFile's position at newPosition.
/// If there is an element at that index, will perform a swap between these 2 elements.
/// If newPosition is higher than <see cref="UserControlFiles"/>'s Count, resets userControlFile's numeric value to
/// its original value.
/// </summary>
/// <param name="userControlFile"></param>
/// <param name="newPosition"></param>
public void ChangePosition(UserControlFile userControlFile, int newPosition)
{
int oldPosition = UserControlFiles.IndexOf(userControlFile);
if (oldPosition == newPosition)
{
return;
}
if (newPosition >= UserControlFiles.Count)
{
userControlFile.FileNumber = oldPosition;
return;
}
UserControlFile userControlFileToBeSwappedWith = UserControlFiles[newPosition];
UserControlFiles[newPosition] = userControlFile;
UserControlFiles[oldPosition] = userControlFileToBeSwappedWith;
RebuildPanelControls();
//MessageBox.Show("File " + userControlFile.FileName + " wants to change from position " + oldPosition + " to " + newPosition);
}
