public ChangingEvent(TimeSpanEdit e) {
Edit = e;
PreviousSeconds = e.m_Seconds;
ModifierKeys = Control.ModifierKeys;
}
/// <summary>
/// Event handler when TimeSpanEdit changes finished
/// </summary>
void ChangeFinished(object sender, TimeSpanEdit.ChangingEvent e) {
Adjust(5);
if (ChangesFinished != null)
ChangesFinished(this, this);
}
/// <summary>
/// Event handler when Length TimeSpanEdit is changing
/// </summary>
void LengthChanging(object sender, TimeSpanEdit.ChangingEvent e) {
float change = e.Edit.Seconds - e.PreviousSeconds;
if (change != 0) {
// Save current length
float seconds = e.Edit.Seconds;
// Update end (to make track longer)
End += change;
if (e.Locked) {
Start += change;
if (StartChanged != null) {
// Keep following track lengths the same
StartChanged(this, new CascadingEvent(this, change));
}
}
// Restore current length
e.Edit.Seconds = seconds;
}
}
/// <summary>
/// Event handler when Gap TimeSpanEdit is changing
/// </summary>
void GapChanging(object sender, TimeSpanEdit.ChangingEvent e) {
float change = e.Edit.Seconds - e.PreviousSeconds;
if (change != 0) {
// Save current gap
float seconds = e.Edit.Seconds;
// Move start
Start += change;
if (e.Locked && StartChanged != null) {
// Keep following track lengths the same
StartChanged(this, new CascadingEvent(this, change));
}
if ((e.ModifierKeys & Keys.Control) != 0 && GapChanged != null) {
// Change all the gaps
GapChanged(this, new CascadingEvent(this, change));
}
// Restore current gap
e.Edit.Seconds = seconds;
}
}
/// <summary>
/// Event handler when End TimeSpanEdit is changing
/// </summary>
void EndChanging(object sender, TimeSpanEdit.ChangingEvent e) {
End = e.Edit.Seconds;
float change = e.Edit.Seconds - e.PreviousSeconds;
if (change != 0 && e.Locked) {
// Move start cursor for next track as well
Start += change;
if (StartChanged != null) {
// Keep following track lengths the same
StartChanged(this, new CascadingEvent(this, change));
}
}
}
/// <summary>
/// Event handler when Start TimeSpanEdit is changing
/// </summary>
void StartChanging(object sender, TimeSpanEdit.ChangingEvent e) {
Start = e.Edit.Seconds;
float change = e.Edit.Seconds - e.PreviousSeconds;
if (change != 0 && e.Locked) {
if (StartChanged != null) {
// Keep following track lengths the same
StartChanged(this, new CascadingEvent(this, change));
}
}
}