Class ButtonController

Object
   |
   +--OObject
         |
         +--View
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               +--Controller
                     |
                     +--ButtonController

Direct Known Subclasses:

CmdButtonController, EditButtonController

class ButtonController

extends Controller

This class is a Controller that

  (1) watches a BoolModel from which the "enable" state can
      be deduced (actually only uses BoolModel.isTrue()),
  (2) manages an image button view of the enable state,
  (3) defines a "pushed" event.

- konstructor()

Constructor Detail

ButtonController

ButtonController()

See:
- konstructor()
Author: Bruce Wallace (PolyGlotInc.com)
Version: 1.0

buildHTMLstr

String buildHTMLstr()

return an HTML string of the basic structure for this view. As a side effect, build/update subview list for this view. As a side effect, invoke this method on each nested subview.

Returns:
HTML (suitable for assigning to innerHTML)

canonical

void canonical( enableFlag )

put the HTML in canonical form given the specified enable flag and this controller's state

getAltText

String getAltText( enabled )

return the alternate text given the current state of this view

isEnabled

boolean isEnabled()

Return whether this button should be enabled. If no enable model was defined then we are always enabled.

konstructor

void konstructor( <String> imgFN, <String> desc, <String> evtHandlerName, <BoolModel> optEnableModel, <String> optName )

Parameters:
imgFN - filename of the (enabled) button image
desc - tooltip description for this button
evtHandlerName - name of event handler function
optEnableModel - optional "is enabled" data model
optName - optional name of this instance

paintHTML

void paintHTML()

update/modify attributes of basic existing HTML for THIS view