/// <summary>
/// Apply the specified attributes to the XmlElement (and its other relevant components)
/// </summary>
/// <param name="attributesToApply"></param>
public virtual void ApplyAttributes(AttributeDictionary attributesToApply)
{
if (currentInstanceTransform == null || currentXmlLayoutInstance == null)
{
Debug.LogWarning("[XmlLayout][Warning] Please call ElementTagHandler.SetInstance() before using XmlElement.ApplyAttributes()");
return;
}
//var startTime = DateTime.Now;
attributesToApply = HandleCustomAttributes(attributesToApply);
var _primaryComponent = primaryComponent;
// the vast majority of events require the element to block raycasts, so rather than expecting the users to set this value every time,
// lets set it here
if (attributesToApply.Any(a => !String.Equals("onValueChanged", a.Key, StringComparison.OrdinalIgnoreCase) && eventAttributeNames.Contains(a.Key, StringComparer.OrdinalIgnoreCase)))
{
attributesToApply.AddIfKeyNotExists("raycastTarget", "true");
}
else if (!String.IsNullOrEmpty(attributesToApply.GetValue("tooltip")))
{
attributesToApply.AddIfKeyNotExists("raycastTarget", "true");
}
if (attributesToApply.ContainsKey("allowDragging") && attributesToApply["allowDragging"].ToBoolean())
{
var dragEventHandler = currentXmlElement.GetComponent <XmlLayoutDragEventHandler>();
if (dragEventHandler == null)
{
currentXmlElement.gameObject.AddComponent <XmlLayoutDragEventHandler>();
}
}
foreach (var attribute in attributesToApply)
{
string name = attribute.Key.ToLower();
string value = attribute.Value;
if (eventAttributeNames.Contains(name, StringComparer.OrdinalIgnoreCase))
{
// As it happens, events don't work anyway unless they are processed at runtime (which is why we have 'ForceRebuildOnAwake')
// so we may as well not process any event attributes at all in edit mode
// (this also helps avoid triggering event handlers in edit mode)
// Note: we set these at the end of the frame so that any internal event-handlers (such as for MVVM) will take precedence
// and be executed first
var _xmlLayoutInstance = currentXmlLayoutInstance;
var _transform = currentInstanceTransform;
if (Application.isPlaying)
{
XmlLayoutTimer.AtEndOfFrame(() =>
{
if (_transform == null || _xmlLayoutInstance == null)
{
return;
}
SetInstance(_transform, _xmlLayoutInstance);
HandleEventAttribute(name, value);
}, null, true);
}
continue;
}
var propertySetOnComponent = _primaryComponent != null?SetPropertyValue(_primaryComponent, name, value) : false;
// if we failed to set the property on the component, perhaps it is a transform value instead
if (!propertySetOnComponent)
{
var propertySetOnTransform = SetPropertyValue(currentInstanceTransform, name, value);
// perhaps it is a layout value
if (!propertySetOnTransform)
{
var propertySetOnLayoutComponent = SetPropertyValue(layoutElement, name, value);
// or, perhaps it is an image value
if (!propertySetOnLayoutComponent)
{
// lastly, check the XmlElement
var propertySetOnXmlElement = SetPropertyValue(currentXmlElement, name, value);
if (!propertySetOnXmlElement)
{
var _imageComponent = imageComponent;
if (_imageComponent != null)
{
SetPropertyValue(imageComponent, name, value);
}
}
}
}
}
}
#if !ENABLE_IL2CPP && MVVM_ENABLED
if (!dontCallHandleDataSourceAttributeAutomatically && attributesToApply.ContainsKey("vm-dataSource"))
{
HandleDataSourceAttribute(attributesToApply["vm-dataSource"]);
}
// If this element is associated with a data source, but has no vm-dataSource attribute
// (perhaps it was removed)
// then remove the association
if (!currentXmlElement.attributes.ContainsKey("vm-dataSource"))
{
currentXmlLayoutInstance.ElementDataSources.RemoveAll(ed => ed.XmlElement == currentXmlElement);
}
#endif
}
public override string GetValue(string key)
{
return(dictionary.GetValue(key));
}