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