diff options
Diffstat (limited to 'tests/bind/tdatabind.nim')
-rw-r--r-- | tests/bind/tdatabind.nim | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/tests/bind/tdatabind.nim b/tests/bind/tdatabind.nim deleted file mode 100644 index f6455749c..000000000 --- a/tests/bind/tdatabind.nim +++ /dev/null @@ -1,95 +0,0 @@ -discard """ - disabled: true -""" - -import events -type - TProperty*[T] = object of TObject - getProc: proc(property: TProperty[T]): T {.nimcall.} - setProc: proc(property: var TProperty[T], value: T) {.nimcall.} - value: T - ValueChanged*: TEventHandler - Binders: seq[TProperty[T]] - EEmitter: TEventEmitter - # Not a descriptive name but it was that or TPropertyValueChangeEventArgs. - TValueEventArgs[T] = object of TEventArgs - Property*: TProperty[T] - - -proc newProperty*[T](value: T): TProperty[T] = - var prop: TProperty[T] - - prop.EEmitter = initEventEmitter() - prop.Binders = @[] - prop.ValueChanged = initEventHandler("ValueChanged") - prop.value = value - - proc getter(property: TProperty[T]): T = - return property.value - - prop.getProc = getter - - proc setter(property: var TProperty[T], v: T) = - property.value = v - - # fire event here - var args: TValueEventArgs[T] - args.Property = property - property.EEmitter.emit(property.ValueChanged, args) - - prop.setProc = setter - - return prop - -proc `prop`[T] (p: TProperty[T]): T = - # I'm assuming this is trying to get a value from the property. - # i.e. myVar = myProperty - return p.getProc(p) - -proc `~=`[T] (p: var TProperty[T], v: T) = - # Assuming this is setting the value. - p.setProc(p, v) - -proc `$`[T] (p: TProperty[T]): string = - var value = p.getProc(p) - return $value - -proc propertyBind*[T](p1: var TProperty[T], p2: var TProperty[T]) = - p1.Binders.add(p2) - - # make handler -> handler[T] so trigger even more generics bugs ... - proc handler(e: TEventArgs) = - type TEA = TValueEventArgs[T] - var args = TEA(e) - var val = args.Property.getProc(p1) - for i in countup(0, len(e.Property.ValueChanged.Binders) -1): - var binded = e.Property.ValueChanged.Binders[i] - binded.setProc(binded, val) - - echo("Property 1 has changed to " & $val) - - if p1.ValueChanged.containsHandler(handler) == false: - addHandler(p1.ValueChanged, handler) - -proc `->`[T](p1: var TProperty[T], p2: var TProperty[T]) = - propertyBind(p2,p1) - -when true: - # Initial value testing - var myProp = newProperty(5) - - echo(myProp) - - myProp ~= 7 # Temp operator until overloading of '=' is implemented. - echo(myProp) - - # Binding testing - - var prop1 = newProperty(9) - var prop2: TProperty[int] - - prop2 -> prop1 # Binds prop2 to prop1 - - prop1 ~= 7 - echo(prop2) # Output: 7 - |