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133 lines
4.2 KiB
133 lines
4.2 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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public function __construct($elementName = null, $elementLabel = null, $options = null, $attributes = null)
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{
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parent::__construct($elementName, $elementLabel, $options, $attributes);
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}
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/**
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* The ajax call must contain an array of id and text
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* @return string
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*/
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public function toHtml()
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{
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$html = api_get_asset('select2/dist/js/select2.min.js');
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$iso = api_get_language_isocode(api_get_interface_language());
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$languageCondition = '';
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if (file_exists(api_get_path(SYS_PATH) . "web/assets/select2/dist/js/i18n/$iso.js")) {
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$html .= api_get_asset("select2/dist/js/i18n/$iso.js");
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$languageCondition = "language: '$iso',";
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}
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$html .= api_get_css(api_get_path(WEB_PATH).'web/assets/select2/dist/css/select2.min.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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templateResult : '.$formatResult.',
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templateSelection : '.$formatResult;
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}
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$width = 'element';
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$givenWidth = '100%';
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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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$plHolder = get_lang('SelectAnOption');
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}
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$id = $this->getAttribute('id');
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if (empty($id)) {
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$id = $this->getAttribute('name');
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$this->setAttribute('id', $id);
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}
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// URL must return ajax json_encode arrady [items => [['id'=>1, 'text'='content']]
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$url = $this->getAttribute('url');
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if (!$url) {
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$url = $this->getAttribute('url_function');
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} else {
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$url = "'$url'";
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}
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$html .= <<<JS
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<script>
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$(function(){
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$('#{$this->getAttribute('id')}').select2({
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$languageCondition
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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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ajax: {
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url: $url,
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dataType: 'json',
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data: function(params) {
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return {
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q: params.term, // search term
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page_limit: 10,
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};
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},
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processResults: function (data, page) {
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//parse the results into the format expected by Select2
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return {
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results: data.items
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};
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}
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$formatCondition
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}
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});
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});
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</script>
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JS;
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$this->removeAttribute('formatResult');
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$this->removeAttribute('minimumInputLength');
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$this->removeAttribute('placeholder');
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$this->removeAttribute('class');
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$this->removeAttribute('url');
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$this->removeAttribute('url_function');
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$this->setAttribute('style', 'width: 100%;');
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return parent::toHtml() . $html;
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}
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/**
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* We check the options and return only the values that _could_ have been
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* selected. We also return a scalar value if select is not "multiple"
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*/
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public function exportValue(&$submitValues, $assoc = false)
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{
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$value = $this->_findValue($submitValues);
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if (!$value) {
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$value = '';
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}
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return $this->_prepareValue($value, $assoc);
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}
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}
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