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105 lines
3.8 KiB
105 lines
3.8 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* A drop down list with all languages to use with QuickForm
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*/
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class SelectAjax extends HTML_QuickForm_select
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{
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/**
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* Class constructor
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*/
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function SelectAjax($elementName = null, $elementLabel = null, $options = null, $attributes = null)
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{
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parent::__construct($elementName, $elementLabel, $options, $attributes);
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}
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/**
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* The ajax call must contain an array of id and text
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* @return string
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*/
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function toHtml()
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{
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$html = api_get_js('select2/select2.js');
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$iso = api_get_language_isocode(api_get_interface_language());
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$localeFile = 'select2_locale_'.$iso.'.js';
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if (file_exists(api_get_path(LIBRARY_PATH).'javascript/select2/'.$localeFile)) {
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$html .= api_get_js('select2/'.$localeFile);
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}
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$html .= api_get_css(api_get_path(WEB_LIBRARY_PATH).'javascript/select2/select2.css');
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$formatResult = $this->getAttribute('formatResult');
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$formatCondition = null;
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if (!empty($formatResult)) {
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$formatCondition = ',
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formatResult : '.$formatResult.',
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formatSelection : '.$formatResult.',';
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}
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$defaultValues = $this->getAttribute('defaults');
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$dataCondition = null;
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$tags = null;
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if (!empty($defaultValues)) {
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$result = json_encode($defaultValues);
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$result = str_replace('"id"', 'id', $result);
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$result = str_replace('"text"', 'text', $result);
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$dataCondition = '$("#'.$this->getAttribute('name').'").select2("data", '.$result.')';
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$tags = ', tags : function() { return '.$result.'} ';
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}
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$width = 'element';
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$givenWidth = $this->getAttribute('width');
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if (!empty($givenWidth)) {
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$width = $givenWidth;
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}
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//Get the minimumInputLength for select2
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$minimumInputLength = $this->getAttribute('minimumInputLength') > 3 ?
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$this->getAttribute('minimumInputLength') :
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3
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;
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$plHolder = $this->getAttribute('placeholder');
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if (empty($plHolder)) {
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$plHolder = get_lang('SelectAnOption');
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}
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$html .= '<script>
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$(function() {
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$("#'.$this->getAttribute('name').'").select2({
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placeholder: "' . $plHolder . '",
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allowClear: true,
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width: "'.$width.'",
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minimumInputLength: ' . $minimumInputLength . ',
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// instead of writing the function to execute the request we use Select2s convenient helper
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ajax: {
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url: "'.$this->getAttribute('url').'",
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dataType: "json",
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data: function (term, page) {
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return {
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q: term, // search term
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page_limit: 10,
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};
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},
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results: function (data, page) { // parse the results into the format expected by Select2.
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// since we are using custom formatting functions we do not need to alter remote JSON data
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return {
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results: data
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};
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}
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}
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'.$tags.'
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'.$formatCondition.'
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});
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'.$dataCondition.'
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});
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</script>';
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$html .= '<input id="'.$this->getAttribute('name').'" name="'.$this->getAttribute('name').'" />';
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return $html;
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}
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}
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