/// <summary>
/// Exports the channels property to a given destination <see cref="Presentation"/>,
/// including exports of any attachedx <see cref="Media"/>
/// </summary>
/// <param name="destPres">Thre destination presentation of the export</param>
/// <returns>The exported channels property</returns>
protected override Property ExportProtected(Presentation destPres)
{
ChannelsProperty chExport = base.ExportProtected(destPres) as ChannelsProperty;
if (chExport == null)
{
throw new exception.OperationNotValidException(
"The ExportProtected method of the base class unexpectedly did not return a ChannelsProperty");
}
foreach (Channel ch in UsedChannels)
{
Channel exportDestCh = null;
foreach (Channel dCh in destPres.ChannelsManager.ManagedObjects.ContentsAs_Enumerable)
{
if (ch.IsEquivalentTo(dCh))
{
exportDestCh = dCh;
break;
}
}
if (exportDestCh == null)
{
exportDestCh = ch.Export(destPres);
}
chExport.SetMedia(exportDestCh, GetMedia(ch).Export(destPres));
}
return(chExport);
}
/// <summary>
/// Pre-visit action: If <see cref="Media"/> is present in <see cref="Channel"/> <see cref="ChannelToClear"/>,
/// this is removed and the child <see cref="TreeNode"/>s are not visited
/// </summary>
/// <param name="node">The <see cref="TreeNode"/> to visit</param>
/// <returns>
/// <c>false</c> if <see cref="Media"/> is found if <see cref="Channel"/> <see cref="ChannelToClear"/>,
/// <c>false</c> else
/// </returns>
public bool PreVisit(TreeNode node)
{
ChannelsProperty chProp = node.GetChannelsProperty();
if (chProp != null)
{
urakawa.media.Media m = null;
//try
//{
m = chProp.GetMedia(ChannelToClear);
// }
// catch (ChannelDoesNotExistException ex)
// {
//#if DEBUG
// Debugger.Break();
//#endif
// return false;
// }
if (m != null)
{
chProp.SetMedia(ChannelToClear, null);
}
}
return(true);
}
/// <summary>
/// Create a section node belonging to this presentation.
/// </summary>
public SectionNode CreateSectionNode()
{
SectionNode node = (SectionNode)m_ObiNodeFactory.createNode(XukAble.GetXukName(typeof(SectionNode)).z(PrettyFormat), DataModelFactory.NS); //sdk2 :local ObiNode factory used
urakawa.property.channel.ChannelsProperty channelsProperty = PropertyFactory.CreateChannelsProperty();
node.AddProperty(channelsProperty);
// Create the text media object for the label with a default label
TextMedia labelMedia = MediaFactory.CreateTextMedia();
labelMedia.Text = Localizer.Message("default_section_label");
channelsProperty.SetMedia(ChannelsManager.GetOrCreateTextChannel(), labelMedia);
return(node);
}
/// <summary>
/// Creates a "deep" copy of the <see cref="ChannelsProperty"/> instance
/// - deep meaning that all associated are copies and not just referenced
/// </summary>
/// <returns>The deep copy</returns>
/// <exception cref="exception.FactoryCannotCreateTypeException">
/// TODO: Explain exception
/// </exception>
protected override Property CopyProtected()
{
ChannelsProperty theCopy = base.CopyProtected() as ChannelsProperty;
if (theCopy == null)
{
throw new exception.FactoryCannotCreateTypeException(String.Format(
"The property factory can not create a ChannelsProperty matching QName {0}:{1}",
GetXukNamespace(),
GetXukName()));
}
foreach (Channel ch in UsedChannels)
{
theCopy.SetMedia(ch, GetMedia(ch).Copy());
}
return(theCopy);
}
