/// <summary>
/// Removes a music element
/// </summary>
/// <param name="element">The element which should be removed</param>
public void RemoveMusicElement(TimelineMusicElementControl element)
{
int index = MusicElements.IndexOf(element);
MusicElements.Remove(element);
EndElements.Remove(EndElements[index]);
}
/// <summary>
/// Returns if the given music element is currently in the visible rendered viewport (used for RAM-savings)
/// </summary>
/// <param name="element">The music element to check if it is currently visible</param>
/// <returns>the visibility state</returns>
private bool isVisible(TimelineMusicElementControl element)
{
if (element.EndTime > MainScrollbar.HorizontalOffset && element.StartTime < MainScrollbar.HorizontalOffset + MainScrollbar.ActualWidth)
{
return(true);
}
return(false);
}
/// <summary>
/// Adds an music element to the specified location (only used to restore old music data)
/// </summary>
/// <param name="musicPath">The path to the music track</param>
public void AddMusicElement(string musicPath, double startTime, double endTime)
{
TimelineMusicElementControl element = new TimelineMusicElementControl(this, startTime, endTime, musicPath);
TlMusikElementEnde endElement = new TlMusikElementEnde(this, element);
MusicElements.Add(element);
EndElements.Add(endElement);
}
/// <summary>
/// Returns the latest music element endtime
/// </summary>
/// <returns>latest music element endtime</returns>
private double GetLastMusicElementEndtime()
{
if (MusicElements.Count > 0)
{
TimelineMusicElementControl last = MusicElements[MusicElements.Count - 1];
return(last.EndTime);
}
return(0);
}
/// <summary>
/// Adds an music element to the next possible part of the slideshow (concating all audios together)
/// </summary>
/// <param name="musicPath">The path to the music track</param>
public void AddMusicElement(string musicPath)
{
TagLib.File file = TagLib.File.Create(musicPath);
TimelineMusicElementControl element = new TimelineMusicElementControl(this, GetLastMusicElementEndtime(), GetLastMusicElementEndtime() + Convert.ToDouble(file.Properties.Duration.TotalMilliseconds / 10), musicPath);
TlMusikElementEnde Ende = new TlMusikElementEnde(this, element);
MusicElements.Add(element);
EndElements.Add(Ende);
}
public TlMusikElementEnde(TimelineControl timeline, TimelineMusicElementControl start)
{
InitializeComponent();
DataContext = this;
this.timeline = timeline;
StartTime = start.EndTime;
EndTime = start.EndTime + 20;
MusicPath = start.MusicPath;
timeline.MainCanvas.Children.Add(this);
Updateheight();
update();
Text.ToolTip = Path.GetFileName(start.MusicPath);
}
/// <summary>
/// Returns rather the given coordinates are at an music element or not
/// </summary>
/// <param name="x">The given x-Coordinate</param>
/// <param name="y">The given y-Coordinate</param>
/// <returns></returns>
private TimelineMusicElementControl isAtMusicElement(double x, double y)
{
TimelineMusicElementControl selectelement = null;
foreach (TimelineMusicElementControl element in MusicElements)
{
if (x >= element.StartTime - 10 && x <= (element.StartTime + 10) &&
y > element.TopSpacing && y <= element.TopSpacing + element.ElementHeight)
{
selectelement = element;
}
}
return(selectelement);
}