public ExcelContextItemButton(IBindingContextElement parent, IBindingDefinition bindingDefinition)
: base(parent, bindingDefinition)
{
CanNotify = bindingDefinition?.CanNotify ?? false;
excelBindingDefinitionButton = bindingDefinition as ExcelBindingDefinitionButton;
if (CanNotify)
{
objectsToNotify = excelBindingDefinitionButton.GetObjectsToNotify(DataSource);
if (objectsToNotify != null)
{
foreach (INotifyPropertyChanged obj in objectsToNotify)
{
obj.PropertyChanged += OnPropertyChanged;
}
}
}
if (excelBindingDefinitionButton.EnablePropertyInfo != null)
{
EnablePropertyGet = excelBindingDefinitionButton.EnablePropertyInfo.GetGetMethod();
if (EnablePropertyGet != null)
{
if (!EnablePropertyGet.IsStatic)
{
if (ParentElement.DataSource != null && ParentElement.DataSource is INotifyPropertyChanged)
{
EnableProperty = (INotifyPropertyChanged)ParentElement.DataSource;
EnableProperty.PropertyChanged += OnPropertyChanged;
}
}
}
}
}
public static ExcelBindingDefinitionButton CreateInstance(ExcelTemplateDefinition templateDefinition, string definition)
{
ExcelBindingDefinitionButton ret = null;
if (!string.IsNullOrEmpty(definition))
{
try
{
ExcelButtonDefinition excelButtonDefinition = definition.Deserialize <ExcelButtonDefinition>();
BindingDefinitionDescription definitionDescription = BindingDefinitionDescription.CreateBindingDescription(templateDefinition, excelButtonDefinition.Label, excelButtonDefinition.Label);
ret = new ExcelBindingDefinitionButton(definitionDescription, templateDefinition, excelButtonDefinition);
}
catch (Exception ex)
{
string message = $"Cannot retrieve the button dataAccessor '{definition.EmptyIfNull()}'. {ex.Message}";
throw new EtkException(message);
}
}
return(ret);
}
public void CreateControl(ExcelInterop.Range range)
{
ExcelBindingDefinitionButton definition = (ExcelBindingDefinitionButton)BindingDefinition;
button = new ExcelButton(range, definition.Definition);
//bool isStatic = definition.Command == null ? false : definition.Command.IsStatic;
button.SetCommand(definition.Command, ParentElement.DataSource, definition.OnClickWithRange);
ResolveBinding();
if (EnableProperty != null)
{
if (EnablePropertyGet.IsStatic)
{
button.Enable = (bool)EnablePropertyGet.Invoke(null, null);
}
else
{
button.Enable = (bool)EnablePropertyGet.Invoke(ParentElement.DataSource, null);
}
}
}
