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CLASS:: SimpleController
summary:: Controller according to the model-view-controller (M-V-C) paradigm
categories:: Core
related:: Classes/Object
DESCRIPTION::
SimpleController can be used as a controller according to the model-view-controller (M-V-C) paradigm. It provides an
link::Classes/IdentityDictionary:: of actions, which are called whenever the attached model sends a notification by
calling changed.
CLASSMETHODS::
METHOD:: new
Creates a SimpleController instance with the model to be observed.
argument:: model
An object of any class
INSTANCEMETHODS::
private:: init, update
METHOD:: put
argument:: what
Register an action, which is called when the model invokes changed(what, moreArgs).
argument:: action
Action to register.
METHOD:: remove
Remove a registered action.
argument:: action
Action to remove
EXAMPLES::
code::
(
var controller, model, view;
model = Ref(0.5);
controller = SimpleController(model);
controller.put(\value,
{|theChanger, what, moreArgs|
view.value_(theChanger.value);
});
view = Slider(Window("slider", Rect(100, 100, 330, 38)).front, Rect(5, 5, 320, 20));
view.onClose_{controller.remove};
// run a routine to change the model's value:
r{
100.do{
model.value_(1.0.rand.postln).changed(\value);
0.5.wait;
}
}.play(AppClock)
)
::
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