/// <summary>
/// Returns whether an item is a global template</summary>
/// <param name="item">Item to test</param>
/// <returns>True iff item is a global template</returns>
public bool IsExternalTemplate(object item)
{
var domNode = item.As <DomNode>();
if (domNode == null)
{
return(false);
}
foreach (var node in domNode.Lineage)
{
TemplateFolder templateFolder = node.As <TemplateFolder>();
if (templateFolder != null && templateFolder.Url != null)
{
return(true);
}
}
return(false);
}
private bool ValidateNewFolderUri(TemplateFolder parentFolder, Uri uri)
{
if (uri == null)
{
return(false);
}
foreach (var templateFolder in parentFolder.Folders)
{
if (templateFolder.Url == uri)
{
return(false); //TODO: pop up warning dialog
}
if (!ValidateNewFolderUri(templateFolder, uri))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Searches for a template by its GUID</summary>
/// <param name="parentFolder">Template's parent folder to search through</param>
/// <param name="guid">GUID to search for</param>
/// <returns>Template matching given GUID</returns>
public Template SearchForTemplateByGuid(TemplateFolder parentFolder, Guid guid)
{
foreach (var template in parentFolder.Templates)
{
if (template.Guid == guid)
{
return(template);
}
}
foreach (var templateFolder in parentFolder.Folders)
{
var template = SearchForTemplateByGuid(templateFolder, guid);
if (template != null)
{
return(template);
}
}
return(null);
}
/// <summary>
/// Imports templates and template folders stored in an external file</summary>
/// <param name="parentTemplateFolder">Template folder in which to import templates and template folders</param>
/// <param name="fromParent">Root of templates to import</param>
protected virtual void ImportTemplates(TemplateFolder parentTemplateFolder, DomNode fromParent)
{
// assume all templates and their containing folders are children of a root template folder
foreach (var domNode in fromParent.LevelSubtree) // add top-level folders
{
if (domNode.Is <TemplateFolder>()) // this should be the root template folder of the imported DOM tree
{
foreach (var child in domNode.Children.ToArray())
{
if (child.Is <TemplateFolder>())
{
parentTemplateFolder.Folders.Add(child.Cast <TemplateFolder>());
}
else if (child.Is <Template>())
{
parentTemplateFolder.Templates.Add(child.Cast <Template>());
}
}
break;
}
}
}
private bool ValidateNewFolderUri(TemplateFolder parentFolder, Uri uri)
{
if (uri == null)
return false;
foreach (var templateFolder in parentFolder.Folders)
{
if (templateFolder.Url == uri)
return false;
if (!ValidateNewFolderUri(templateFolder, uri))
return false;
}
return true;
}
public Template SearchForTemplateByGuid(TemplateFolder parentFolder, Guid guid)
{
foreach (var template in parentFolder.Templates)
{
if (template.Guid == guid)
{
return template;
}
}
foreach (var templateFolder in parentFolder.Folders)
{
var template = SearchForTemplateByGuid(templateFolder, guid);
if (template != null)
return template;
}
return null;
}
protected virtual void ImportTemplates(TemplateFolder parentTemplateFolder, DomNode fromParent)
{
// assume all templates and their containing folders are children of a root template folder
foreach (var domNode in fromParent.LevelSubtree) // add top-level folders
{
if (domNode.Is<TemplateFolder>()) // this should be the root template folder of the imported DOM tree
{
foreach (var child in domNode.Children.ToArray())
{
if (child.Is<TemplateFolder>())
{
parentTemplateFolder.Folders.Add(child.Cast<TemplateFolder>());
}
else if (child.Is<Template>())
{
parentTemplateFolder.Templates.Add(child.Cast<Template>());
}
}
break;
}
}
}
