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$.fn.select2.amd.define('select2/data/extended-ajax',['./ajax','./tags','../utils','module','jquery'], function(AjaxAdapter, Tags, Utils, module, $){ | |
function ExtendedAjaxAdapter ($element,options) { | |
//we need explicitly process minimumInputLength value | |
//to decide should we use AjaxAdapter or return defaultResults, | |
//so it is impossible to use MinimumLength decorator here | |
this.minimumInputLength = options.get('minimumInputLength'); | |
this.defaultResults = options.get('defaultResults'); | |
ExtendedAjaxAdapter.__super__.constructor.call(this,$element,options); | |
} | |
Utils.Extend(ExtendedAjaxAdapter,AjaxAdapter); | |
//override original query function to support default results | |
var originQuery = AjaxAdapter.prototype.query; | |
ExtendedAjaxAdapter.prototype.query = function (params, callback) { | |
var defaultResults = (typeof this.defaultResults == 'function') ? this.defaultResults.call(this) : this.defaultResults; | |
if (defaultResults && defaultResults.length && (!params.term || params.term.length < this.minimumInputLength)){ | |
var data = { results: defaultResults }; | |
var processedResults = this.processResults(data, params); | |
callback(processedResults); | |
} else if (params.term && params.term.length >= this.minimumInputLength) { | |
originQuery.call(this, params, callback); | |
} else { | |
this.trigger('results:message', { | |
message: 'inputTooShort', | |
args: { | |
minimum: this.minimumInputLength, | |
input: '', | |
params: params | |
} | |
}); | |
} | |
}; | |
if (module.config().tags) { | |
return Utils.Decorate(ExtendedAjaxAdapter, Tags); | |
} else { | |
return ExtendedAjaxAdapter; | |
} | |
}); |
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