public ParameterStack GetInitializedParameterStack(IPlugin plugin)
{
// check if already available in cache
ParameterStack stack = null;
stack = ComponentLoader.GetStackFromCache(plugin.Guid);
if (null == stack)
{
if (!(_searchMethod is IComponentSearchMethod))
{
throw new PluginException("Component loader was not initialized with a valid plugin search method.");
}
IPluginExt1 pluginExt1 = plugin as IPluginExt1;
IPluginExt2 pluginExt2 = plugin as IPluginExt2;
IPluginExt3 pluginExt3 = plugin as IPluginExt3;
// get parameter stack
if (null != pluginExt1)
{
stack = plugin.Parameters;
}
else if (null != pluginExt2)
{
stack = pluginExt2.BuildParameterStack(null);
}
else if (null != pluginExt3)
{
stack = pluginExt3.BuildParameterStack(null);
}
// check parameter stack
if (null == stack)
{
throw new PluginException("Failed to build initial parameter stack.");
}
// load parameter values from plugins
foreach (Parameter param in stack)
{
try
{
ParameterDouble pd = param as ParameterDouble;
if (null != pd)
{
stack.SetDoubleParameter(pd.Name, _searchMethod.GetDoubleParameterDefaultValue(plugin.Guid, pd.Name));
}
ParameterBool pb = param as ParameterBool;
if (null != pb)
{
stack.SetBoolParameter(pb.Name, _searchMethod.GetBoolParameterDefaultValue(plugin.Guid, pb.Name));
}
ParameterInt pi = param as ParameterInt;
if (null != pi)
{
stack.SetIntParameter(pi.Name, _searchMethod.GetIntParameterDefaultValue(plugin.Guid, pi.Name));
}
ParameterMulti pm = param as ParameterMulti;
if (null != pm)
{
stack.SetMultiParameter(pm.Name, _searchMethod.GetMultiParameterDefaultValue(plugin.Guid, pm.Name));
}
}
catch (Exception /*ex*/)
{
}
}
// save in cache
ComponentLoader.InsertParameterStackInCache(plugin.Guid, stack);
}
return(stack.Clone());
}