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liza/src/client/event/StatusEventHandler.js

82 lines
2.1 KiB
JavaScript

/**
* Field status event handler
*
* Copyright (C) 2017 LoVullo Associates, Inc.
*
* This file is part of the Liza Data Collection Framework
*
* Liza is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
var Class = require( 'easejs' ).Class,
EventHandler = require( './EventHandler' );
/**
* Performs rate requests
*/
module.exports = Class( 'StatusEventHandler' )
.implement( EventHandler )
.extend(
{
/**
* Styler used to manipulate the DOM
*
* TODO: deprecate
*
* @type {ElementStyler}
*/
'private _styler': null,
/**
* Initializes with client that will delegate the event
*
* @param {ElementStyler} styler element styler
*/
__construct: function( styler )
{
this._styler = styler;
},
/**
* Handles kick-back
*
* @param {string} type event id; ignored
*
* @param {function(*,Object)} continuation to invoke on completion
*
* @return {StatusEventHandler} self
*/
'public handle': function( type, c, data )
{
var indexes = data.indexes || [],
value = data.value || '',
name = data.elementName;
for ( var i in indexes )
{
// string means a static value; otherwise, an array
// represents bucket values, of which we should take the
// associated index
var value = ( typeof value === 'string' )
? value
: value[ i ];
this._styler.setStatus( name, indexes[ i ], value );
}
}
} );