/// <summary>
/// Gets the template dictionary from the common properties or creates it.
/// </summary>
private Dictionary <string, DeviceTemplate> GetTemplateDictionary()
{
Dictionary <string, DeviceTemplate> templateDict = CommonProps.ContainsKey(TemplateDictKey) ?
CommonProps[TemplateDictKey] as Dictionary <string, DeviceTemplate> : null;
if (templateDict == null)
{
templateDict = new TemplateDict();
CommonProps.Add(TemplateDictKey, templateDict);
}
return(templateDict);
}
/// <summary>
/// Gets or creates the template dictionary from the common line properties.
/// </summary>
private TemplateDict GetTemplateDictionary()
{
TemplateDict templateDict = CommonProps.ContainsKey(TemplateDictKey) ?
CommonProps[TemplateDictKey] as TemplateDict : null;
if (templateDict == null)
{
templateDict = new TemplateDict();
CommonProps.Add(TemplateDictKey, templateDict);
}
return(templateDict);
}
/// <summary>
/// Получить из общих свойств линии связи или создать словарь шаблонов устройств
/// </summary>
private Dictionary <string, DeviceTemplate> GetTemplates()
{
Dictionary <string, DeviceTemplate> templates = CommonProps.ContainsKey("Templates") ?
CommonProps["Templates"] as Dictionary <string, DeviceTemplate> : null;
if (templates == null)
{
templates = new TemplateDict();
CommonProps.Add("Templates", templates);
}
return(templates);
}
/// <summary>
/// Gets a template dictionary from the shared data of the communication line, or creates a new one.
/// </summary>
protected virtual TemplateDict GetTemplateDict()
{
TemplateDict templateDict = LineContext.SharedData.ContainsKey(TemplateDictKey) ?
LineContext.SharedData[TemplateDictKey] as TemplateDict : null;
if (templateDict == null)
{
templateDict = new TemplateDict();
LineContext.SharedData.Add(TemplateDictKey, templateDict);
}
return(templateDict);
}
public DataTemplate SelectTemplate(object item, DependencyObject container)
{
var key = KeySelector == null
? _defaultKeySelector.Invoke(item)
: KeySelector.Invoke(item);
if (TemplateDict.ContainsKey(key))
{
return(TemplateDict[key]);
}
return(null);
}
/// <summary>
/// Gets existing or create a new device template.
/// </summary>
private void PrepareTemplate(string fileName)
{
deviceTemplate = null;
if (string.IsNullOrEmpty(fileName))
{
WriteToLog(string.Format(Localization.UseRussian ?
"{0} Ошибка: Не задан шаблон устройства для {1}" :
"{0} Error: Template is undefined for the {1}", CommUtils.GetNowDT(), Caption));
}
else
{
TemplateDict templateDict = GetTemplateDictionary();
if (templateDict.TryGetValue(fileName, out DeviceTemplate existingTemplate))
{
if (existingTemplate != null)
{
deviceTemplate = GetTemplateFactory().CreateDeviceTemplate();
deviceTemplate.CopyFrom(existingTemplate);
}
}
else
{
DeviceTemplate newTemplate = GetTemplateFactory().CreateDeviceTemplate();
WriteToLog(string.Format(Localization.UseRussian ?
"{0} Загрузка шаблона устройства из файла {1}" :
"{0} Load device template from file {1}", CommUtils.GetNowDT(), fileName));
string filePath = Path.IsPathRooted(fileName) ?
fileName : Path.Combine(AppDirs.ConfigDir, fileName);
if (newTemplate.Load(filePath, out string errMsg))
{
deviceTemplate = newTemplate;
}
else
{
WriteToLog(errMsg);
}
templateDict.Add(fileName, deviceTemplate);
}
}
}
/// <summary>
/// Gets the device template from the shared dictionary.
/// </summary>
protected virtual DeviceTemplate GetDeviceTemplate()
{
DeviceTemplate deviceTemplate = null;
string fileName = PollingOptions.CmdLine.Trim();
if (string.IsNullOrEmpty(fileName))
{
Log.WriteLine(string.Format(Locale.IsRussian ?
"Ошибка: Не задан шаблон устройства для {0}" :
"Error: Device template is undefined for {0}", Title));
}
else
{
TemplateDict templateDict = GetTemplateDict();
if (templateDict.TryGetValue(fileName, out DeviceTemplate existingTemplate))
{
deviceTemplate = existingTemplate;
}
else
{
Log.WriteLine(string.Format(Locale.IsRussian ?
"Загрузка шаблона устройства из файла {0}" :
"Load device template from file {0}", fileName));
DeviceTemplate newTemplate = CreateDeviceTemplate();
templateDict.Add(fileName, newTemplate);
if (newTemplate.Load(Storage, fileName, out string errMsg))
{
deviceTemplate = newTemplate;
}
else
{
Log.WriteLine(errMsg);
}
}
}
return(deviceTemplate);
}
