Ross
139 lines
4.5 KiB
JavaScript
139 lines
4.5 KiB
JavaScript
/*!
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* Django Autocomplete Light - Select2 function
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*/
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document.addEventListener('dal-init-function', function () {
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yl.registerFunction( 'select2', function ($, element) {
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var $element = $(element);
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// Templating helper
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function template(text, is_html) {
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if (is_html) {
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var $result = $('<span>');
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$result.html(text);
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return $result;
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} else {
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return text;
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}
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}
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function result_template(item) {
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var is_data_html = ($element.attr('data-html') !== undefined || $element.attr('data-result-html') !== undefined)
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if (item.create_id) {
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var $result = $('<span>').addClass('dal-create');
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if (is_data_html){
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return $result.html(item.text);
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} else {
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return $result.text(item.text);
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}
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} else {
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return template(item.text, is_data_html);
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}
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}
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function selected_template(item) {
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if (item.selected_text !== undefined) {
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return template(item.selected_text,
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$element.attr('data-html') !== undefined || $element.attr('data-selected-html') !== undefined
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);
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} else {
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return result_template(item);
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}
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return
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}
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var ajax = null;
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if ($element.attr('data-autocomplete-light-url')) {
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ajax = {
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url: $element.attr('data-autocomplete-light-url'),
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dataType: 'json',
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delay: 250,
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data: function (params) {
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var data = {
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q: params.term, // search term
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page: params.page,
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create: $element.attr('data-autocomplete-light-create') && !$element.attr('data-tags'),
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forward: yl.getForwards($element)
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};
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return data;
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},
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processResults: function (data, page) {
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if ($element.attr('data-tags')) {
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$.each(data.results, function (index, value) {
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value.id = value.text;
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});
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}
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return data;
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},
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cache: true
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};
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}
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use_tags = false;
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tokenSeparators = null;
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// Option 1: 'data-tags'
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if ($element.attr('data-tags')) {
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tokenSeparators = [','];
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use_tags = true;
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}
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// Option 2: 'data-token-separators'
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if ($element.attr('data-token-separators')) {
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use_tags = true
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tokenSeparators = $element.attr('data-token-separators')
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if (tokenSeparators == 'null') {
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tokenSeparators = null;
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}
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}
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$element.select2({
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tokenSeparators: tokenSeparators,
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debug: true,
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containerCssClass: ':all:',
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placeholder: $element.attr('data-placeholder') || '',
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language: $element.attr('data-autocomplete-light-language'),
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minimumInputLength: $element.attr('data-minimum-input-length') || 0,
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allowClear: !$element.is('[required]'),
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templateResult: result_template,
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templateSelection: selected_template,
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ajax: ajax,
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with: null,
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tags: use_tags,
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});
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$element.on('select2:selecting', function (e) {
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var data = e.params.args.data;
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if (data.create_id !== true)
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return;
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e.preventDefault();
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var select = $element;
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$.ajax({
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url: $element.attr('data-autocomplete-light-url'),
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type: 'POST',
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dataType: 'json',
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data: {
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text: data.id,
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forward: yl.getForwards($element)
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},
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beforeSend: function (xhr, settings) {
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xhr.setRequestHeader("X-CSRFToken", document.csrftoken);
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},
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success: function (data, textStatus, jqXHR) {
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select.append(
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$('<option>', {value: data.id, text: data.text, selected: true})
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);
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select.trigger('change');
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select.select2('close');
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}
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});
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});
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});
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})
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