/// <summary>
/// Show dropdown for selecting a UnityEvent to bind to.
/// </summary>
protected void ShowEventMenu(
AbstractMemberBinding targetScript,
BindableEvent[] events,
Action <string> propertyValueSetter,
string curPropertyValue
)
{
var eventNames = events
.Select(evt => evt.ComponentType.Name + "." + evt.Name)
.ToArray();
var selectedIndex = Array.IndexOf(eventNames, curPropertyValue);
var content = events
.Select(evt => new GUIContent(evt.ComponentType.Name + "." + evt.Name))
.ToArray();
var newSelectedIndex = EditorGUILayout.Popup(
new GUIContent("View event", "Event on the view to bind to."),
selectedIndex,
content
);
if (newSelectedIndex != selectedIndex)
{
var selectedEvent = events[newSelectedIndex];
UpdateProperty(
propertyValueSetter,
curPropertyValue,
selectedEvent.ComponentType.Name + "." + selectedEvent.Name
);
}
}
/// <summary>
/// Display a popup menu for selecting a property from a view-model.
/// </summary>
protected void ShowViewModelPropertyMenu(
string label,
AbstractMemberBinding target,
PropertyInfo[] bindableProperties,
Action <string> propertyValueSetter,
string curPropertyValue,
Func <PropertyInfo, bool> menuEnabled
)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel(label);
var dropdownPosition = GUILayoutUtility.GetLastRect();
dropdownPosition.x += dropdownPosition.width;
if (GUILayout.Button(new GUIContent(curPropertyValue), EditorStyles.popup))
{
InspectorUtils.ShowMenu <PropertyInfo>(
property => property.ReflectedType + "/" + property.Name + " : " + property.PropertyType.Name,
menuEnabled,
property => property.ReflectedType.Name + "." + property.Name == curPropertyValue,
property => UpdateProperty(
propertyValueSetter,
curPropertyValue,
property.ReflectedType.Name + "." + property.Name
),
bindableProperties,
dropdownPosition
);
}
EditorGUILayout.EndHorizontal();
}
/// <summary>
/// Find bindable properties in available view models.
/// </summary>
public static PropertyInfo[] FindBindableProperties(AbstractMemberBinding target)
{
return(FindAvailableViewModelTypes(target)
.SelectMany(type => type.GetProperties(BindingFlags.Public | BindingFlags.Instance))
.Where(property => property
.GetCustomAttributes(false)
.Any(attribute => attribute is BindingAttribute) // Filter out properties that don't have [Binding].
)
.ToArray());
}
/// <summary>
/// Scan up the hierarchy and find all the types that can be bound to
/// a specified MemberBinding.
/// </summary>
private static IEnumerable <Type> FindAvailableViewModelTypes(AbstractMemberBinding memberBinding)
{
var foundAtLeastOneBinding = false;
var trans = memberBinding.transform;
while (trans != null)
{
var components = trans.GetComponents <MonoBehaviour>();
foreach (var component in components)
{
// Can't bind to self or null
if (component == null || component == memberBinding)
{
continue;
}
// Case where a ViewModelBinding is used to bind a non-MonoBehaviour class.
var viewModelBinding = component as IViewModelProvider;
if (viewModelBinding != null)
{
var viewModelTypeName = viewModelBinding.GetViewModelTypeName();
// Ignore view model bindings that haven't been set up yet.
if (string.IsNullOrEmpty(viewModelTypeName))
{
continue;
}
foundAtLeastOneBinding = true;
yield return(GetViewModelType(viewModelBinding.GetViewModelTypeName()));
}
else if (component.GetType().GetCustomAttributes(typeof(BindingAttribute), false).Any())
{
// Case where we are binding to an existing MonoBehaviour.
foundAtLeastOneBinding = true;
yield return(component.GetType());
}
}
trans = trans.parent;
}
if (!foundAtLeastOneBinding)
{
Debug.LogError("UI binding " + memberBinding.gameObject.name + " must be placed underneath at least one bindable component.", memberBinding);
}
}
/// <summary>
/// Scan up the hierarchy and find all the types that can be bound to
/// a specified MemberBinding.
/// </summary>
public static IEnumerable <Type> GetAvailableViewModelTypes(this AbstractMemberBinding memberBinding)
{
bool foundAtLeastOneBinding = false;
var trans = memberBinding.transform;
while (trans != null)
{
var viewModels = trans.GetComponents <MonoBehaviour>();
foreach (var viewModel in viewModels)
{
// Can't bind to self
if (viewModel == memberBinding)
{
continue;
}
// Case where a ViewModelBinding is used to bind a non-MonoBehaviour class.
var viewModelBinding = viewModel as IViewModelBinding;
if (viewModelBinding != null)
{
foundAtLeastOneBinding = true;
yield return(GetBoundViewType(viewModelBinding));
}
else if (viewModel.GetType().GetCustomAttributes(typeof(BindingAttribute), false).Any())
{
// Case where we are binding to an existing MonoBehaviour.
foundAtLeastOneBinding = true;
yield return(viewModel.GetType());
}
}
// Stop at the top level
if (trans.GetComponent <BindingRoot>() != null)
{
break;
}
trans = trans.parent;
}
if (!foundAtLeastOneBinding)
{
Debug.LogError("UI binding " + memberBinding.gameObject.name +
" must be placed underneath at least one bindable component.", memberBinding);
}
}
/// <summary>
/// Shows a dropdown for selecting a property in the UI to bind to.
/// </summary>
public void ShowViewPropertyMenu(
GUIContent label,
AbstractMemberBinding targetScript,
BindablePropertyInfo[] properties,
Action <string> propertyValueSetter,
string curPropertyValue,
out Type selectedPropertyType
)
{
var propertyNames = properties
.Select(prop => prop.PropertyInfo.ReflectedType.Name + "." + prop.PropertyInfo.Name)
.ToArray();
var selectedIndex = Array.IndexOf(propertyNames, curPropertyValue);
var content = properties.Select(prop => new GUIContent(
prop.PropertyInfo.ReflectedType.Name + "/" +
prop.PropertyInfo.Name + " : " +
prop.PropertyInfo.PropertyType.Name
))
.ToArray();
var newSelectedIndex = EditorGUILayout.Popup(label, selectedIndex, content);
if (newSelectedIndex != selectedIndex)
{
var newSelectedProperty = properties[newSelectedIndex];
UpdateProperty(
propertyValueSetter,
curPropertyValue,
newSelectedProperty.PropertyInfo.ReflectedType.Name + "." + newSelectedProperty.PropertyInfo.Name
);
selectedPropertyType = newSelectedProperty.PropertyInfo.PropertyType;
}
else
{
if (selectedIndex < 0)
{
selectedPropertyType = null;
return;
}
selectedPropertyType = properties[selectedIndex].PropertyInfo.PropertyType;
}
}
/// <summary>
/// Scan up the hierarchy and find all the types that can be bound to
/// a specified MemberBinding.
/// </summary>
private static IEnumerable <Type> FindAvailableViewModelTypes(AbstractMemberBinding memberBinding)
{
var foundAtLeastOneBinding = false;
var trans = memberBinding.transform;
while (trans != null)
{
var components = trans.GetComponents <MonoBehaviour>();
foreach (var component in components)
{
// Can't bind to self or null
if (component == null || component == memberBinding)
{
continue;
}
// Case where a ViewModelBinding is used to bind a non-MonoBehaviour class.
var viewModelBinding = component as IViewModelProvider;
if (viewModelBinding != null)
{
var viewModelTypeName = viewModelBinding.GetViewModelTypeName();
// Ignore view model bindings that haven't been set up yet.
if (string.IsNullOrEmpty(viewModelTypeName))
{
continue;
}
var viewModelType = GetViewModelType(viewModelBinding.GetViewModelTypeName());
if (viewModelType == null)
{
viewModelType = GetViewModelType_Hotfix(viewModelBinding.GetViewModelTypeName());
}
if (viewModelType == null)
{
continue;
}
foundAtLeastOneBinding = true;
yield return(viewModelType);
}
else if (component.GetType().FullName.Equals("Framework.Hotfix.HotfixMBContainer"))
{
// Case where a ViewModelBinding is used to bind hotfix class
var prop = component.GetType().GetProperty("HotfixName", BindingFlags.GetProperty | BindingFlags.Instance | BindingFlags.Public);
if (prop == null)
{
continue;
}
string viewModelTypeName = (string)prop.GetValue(component);
if (string.IsNullOrEmpty(viewModelTypeName))
{
continue;
}
Type viewModelType = GetViewModelType_Hotfix(viewModelTypeName);
if (viewModelType == null)
{
continue;
}
foundAtLeastOneBinding = true;
yield return(viewModelType);
}
else if (component.GetType().GetCustomAttributes(typeof(BindingAttribute), false).Any())
{
// Case where we are binding to an existing MonoBehaviour.
foundAtLeastOneBinding = true;
yield return(component.GetType());
}
}
trans = trans.parent;
}
if (!foundAtLeastOneBinding)
{
Debug.LogError("UI binding " + memberBinding.gameObject.name + " must be placed underneath at least one bindable component.", memberBinding);
}
}
