/// <summary>
/// Returns the named action property from the given set
/// </summary>
/// <param name="propertySet">The set of properties to search</param>
/// <param name="propName">The name of the desired property</param>
/// <returns>The property if it exists; null otherwise</returns>
private IActionProperty GetActionProperty(IActionPropertySet properties, string propName)
{
if (properties != null)
{
IActionProperty prop;
properties.TryGetValue(propName, out prop);
return prop;
}
return null;
}
/// <summary>
/// Helper to try and get a boolean property value
/// </summary>
/// <param name="propertySet">The property set to attempt the 'get' on</param>
/// <param name="propName">The name of the property</param>
/// <param name="defaultValue">A default value to return if the property does not exist</param>
/// <returns>The value of the boolean property or the defaultValue</returns>
private static bool TryGetProperty(IActionPropertySet propertySet, string propName, bool defaultValue)
{
IActionProperty prop;
if (propertySet.TryGetValue(propName, out prop))
{
return Convert.ToBoolean(prop.Value, CultureInfo.InvariantCulture);
}
return defaultValue;
}
/// <summary>
/// Helper to try and set a boolean property in a property set, if it exists
/// </summary>
/// <param name="propertySet">The property set to attempt the 'set' on</param>
/// <param name="propName">The name of the property</param>
/// <param name="value">The new value for the property</param>
/// <returns>True if successful, false otherwise</returns>
private static bool TrySetProperty(IActionPropertySet propertySet, string propName, bool value)
{
IActionProperty prop;
if (propertySet.TryGetValue(propName, out prop))
{
prop.Value = value;
return true;
}
return false;
}
/// <summary>
/// Merges the filetype and all boolean properties from the source to the target property set
/// </summary>
/// <param name="source">The properties to merge from</param>
/// <param name="target">The properties to merge to</param>
/// <param name="assign">Whether to replace or merge (OR) boolean values in the target set</param>
private static void MergePropertySets(IActionPropertySet source, IActionPropertySet target, bool assign)
{
IActionProperty sourceProp;
source.SystemProperties.TryGetValue(PropertyNames.FileType, out sourceProp);
if (sourceProp != null)
{
string sourceFileType = sourceProp.Value as string;
if (!string.IsNullOrEmpty(sourceFileType))
{
IActionProperty targetProp;
if (target.SystemProperties.TryGetValue(PropertyNames.FileType, out targetProp))
{
if (!(targetProp.Value as string).Contains(sourceFileType))
{
targetProp.Value += ";" + sourceFileType;
}
}
else
{
target.SystemProperties.Add(PropertyNames.FileType, sourceProp.Clone());
}
}
}
foreach (IActionProperty property in source.Values)
{
IActionProperty targetProperty;
if (!target.TryGetValue(property.DefaultDisplayName, out targetProperty))
{
target.Add(property.DefaultDisplayName, property.Clone());
continue;
}
if (property.DataType != typeof(bool))
{
continue;
}
bool sourceValue = (bool) property.Value;
if (assign)
{
targetProperty.Value = sourceValue;
}
else if (sourceValue)
{
targetProperty.Value = true;
}
}
}