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vitorspencer/select2_extended_ajax_adapter.js

Forked from govorov/select2_extended_ajax_adapter.js
Created April 8, 2020 23:00
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Revisions

  1. vitorspencer revised this gist Apr 8, 2020. 1 changed file with 37 additions and 24 deletions.
    61 changes: 37 additions & 24 deletions select2_extended_ajax_adapter.js
    View file
    Original file line number Diff line number Diff line change
    @@ -1,30 +1,43 @@
    $.fn.select2.amd.define('select2/data/extended-ajax',['./ajax','../utils','jquery'], function(AjaxAdapter, Utils, $){
    $.fn.select2.amd.define('select2/data/extended-ajax',['./ajax','./tags','../utils','module','jquery'], function(AjaxAdapter, Tags, Utils, module, $){

    function ExtendedAjaxAdapter ($element,options) {
    //we need explicitly process minimumInputLength value
    //to decide should we use AjaxAdapter or return defaultResults,
    //so it is impossible to use MinimumLength decorator here
    this.minimumInputLength = options.get('minimumInputLength');
    this.defaultResults = options.get('defaultResults');
    function ExtendedAjaxAdapter ($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,$element,options);
    }
    ExtendedAjaxAdapter.__super__.constructor.call(this,$element,options);
    }

    Utils.Extend(ExtendedAjaxAdapter,AjaxAdapter);

    //override original query function to support default results
    var originQuery = AjaxAdapter.prototype.query;
    Utils.Extend(ExtendedAjaxAdapter,AjaxAdapter);

    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 processedResults = this.processResults(defaultResults,params.term);
    callback(processedResults);
    }
    else {
    originQuery.call(this, params, callback);
    }
    };
    //override original query function to support default results
    var originQuery = AjaxAdapter.prototype.query;

    return ExtendedAjaxAdapter;
    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;
    }
    });
  2. Stanislav E. Govorov revised this gist May 19, 2016. 1 changed file with 2 additions and 2 deletions.
    4 changes: 2 additions & 2 deletions select2_extended_ajax_adapter.js
    View file
    Original file line number Diff line number Diff line change
    @@ -18,8 +18,8 @@ $.fn.select2.amd.define('select2/data/extended-ajax',['./ajax','../utils','jquer
    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)){
    //no need to use processResults, pass them directly to callback
    callback({results:defaultResults});
    var processedResults = this.processResults(defaultResults,params.term);
    callback(processedResults);
    }
    else {
    originQuery.call(this, params, callback);
  3. Stanislav revised this gist May 19, 2016. 1 changed file with 0 additions and 2 deletions.
    2 changes: 0 additions & 2 deletions select2_extended_ajax_adapter.js
    View file
    Original file line number Diff line number Diff line change
    @@ -6,8 +6,6 @@ $.fn.select2.amd.define('select2/data/extended-ajax',['./ajax','../utils','jquer
    //so it is impossible to use MinimumLength decorator here
    this.minimumInputLength = options.get('minimumInputLength');
    this.defaultResults = options.get('defaultResults');
    this.$element = $element;
    this.options = options;

    ExtendedAjaxAdapter.__super__.constructor.call(this,$element,options);
    }
  4. Stanislav revised this gist May 19, 2016. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion select2_extended_ajax_adapter.js
    View file
    Original file line number Diff line number Diff line change
    @@ -19,7 +19,7 @@ $.fn.select2.amd.define('select2/data/extended-ajax',['./ajax','../utils','jquer

    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.minimumInputength)){
    if (defaultResults && defaultResults.length && (!params.term || params.term.length < this.minimumInputLength)){
    //no need to use processResults, pass them directly to callback
    callback({results:defaultResults});
    }
  5. Stanislav created this gist May 19, 2016.
    32 changes: 32 additions & 0 deletions select2_extended_ajax_adapter.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,32 @@
    $.fn.select2.amd.define('select2/data/extended-ajax',['./ajax','../utils','jquery'], function(AjaxAdapter, Utils, $){

    function ExtendedAjaxAdapter ($element,options) {
    //we need explicitly process minimumInputLength value
    //to decide should we use AjaxAdapter or return defaultResults,
    //so it is impossible to use MinimumLength decorator here
    this.minimumInputLength = options.get('minimumInputLength');
    this.defaultResults = options.get('defaultResults');
    this.$element = $element;
    this.options = options;

    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.minimumInputength)){
    //no need to use processResults, pass them directly to callback
    callback({results:defaultResults});
    }
    else {
    originQuery.call(this, params, callback);
    }
    };

    return ExtendedAjaxAdapter;
    });