private TreeNode CreateViewFilterNode(IVideoFilter ifilter)
{
VideoViewFilter filter = ifilter as VideoViewFilter;
StringBuilder text = new StringBuilder("view:");
AppendNumericFilterPattern(filter, text);
TreeNode node = new TreeNode(text.ToString());
return(node);
}
private TreeNode CreateDescriptionFilterNode(IVideoFilter ifilter)
{
VideoDescriptionFilter filter = ifilter as VideoDescriptionFilter;
StringBuilder text = new StringBuilder("description");
AppendTextFilterPattern(filter, text, false, true, false);
TreeNode node = new TreeNode(text.ToString());
return(node);
}
private void ConstructFilterTree(IVideoFilter filter)
{
treeViewFilter.Nodes.Clear();
FilterNodeCreator node_creator;
if (!node_creator_map_.TryGetValue(filter.GetType(), out node_creator))
{
node_creator = CreateUnknownFilterNode;
}
treeViewFilter.Nodes.Add(node_creator(filter));
treeViewFilter.ExpandAll();
}
private TreeNode CreateOrFilterNode(IVideoFilter ifilter)
{
OrFilter filter = ifilter as OrFilter;
TreeNode node = new TreeNode("OR");
foreach (IVideoFilter sub_filter in filter.SubFilters)
{
FilterNodeCreator node_creator;
if (!node_creator_map_.TryGetValue(sub_filter.GetType(), out node_creator))
{
node_creator = CreateUnknownFilterNode;
}
node.Nodes.Add(node_creator(sub_filter));
}
return(node);
}
private TreeNode CreateNotFilterNode(IVideoFilter ifilter)
{
NotFilter filter = ifilter as NotFilter;
TreeNode node = new TreeNode("NOT");
IVideoFilter inner_filter = filter.InnerFilter;
FilterNodeCreator node_creator;
if (!node_creator_map_.TryGetValue(inner_filter.GetType(), out node_creator))
{
node_creator = CreateUnknownFilterNode;
}
node.Nodes.Add(node_creator(inner_filter));
return(node);
}
private TreeNode CreateLengthFilterNode(IVideoFilter ifilter)
{
VideoLengthFilter filter = ifilter as VideoLengthFilter;
string text;
if (filter.MinLength == TimeSpan.MinValue)
{
text = string.Format("length:,{0}", GetLengthString(filter.MaxLength));
}
else if (filter.MaxLength == TimeSpan.MaxValue)
{
text = string.Format("length:{0},", GetLengthString(filter.MinLength));
}
else
{
text = string.Format("length:{0},{1}", GetLengthString(filter.MinLength), GetLengthString(filter.MaxLength));
}
TreeNode node = new TreeNode(text);
return(node);
}
private TreeNode CreateUnknownFilterNode(IVideoFilter ifilter)
{
return(new TreeNode("!Unknown Filter"));
}
