mirror of
https://github.com/scinote-eln/scinote-web.git
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355 lines
14 KiB
JavaScript
355 lines
14 KiB
JavaScript
/* global PerfectScrollbar */
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$.fn.extend({
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select2Multiple: function(config = {}) {
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var placeholder;
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var templateSelection;
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var select2;
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var templateResult;
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if (this.length === 0) return this;
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// Adding ID to each block
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placeholder = this[0].dataset.placeholder || '';
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if (this.next().find('.select2-selection').length > 0) return this;
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templateSelection = (state, parent) => {
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if (config.colorField !== undefined) {
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parent.css('background', state[config.colorField] || state.element.dataset[config.colorField]);
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}
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return $('<span class="select2-block-body" data-select-id="' + state.id + '">'
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+ (config.customSelection !== undefined ? config.customSelection(state) : state.text)
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+ '</span>');
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};
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templateResult = (state) => {
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if (config.templateResult) {
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return config.templateResult(state);
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}
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return state.text;
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};
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select2 = this.select2({
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multiple: true,
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ajax: config.ajax,
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placeholder: placeholder,
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templateSelection: templateSelection,
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templateResult: templateResult,
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closeOnSelect: config.closeOnSelect || false,
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tags: config.dynamicCreation || false,
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tokenSeparators: config.dynamicCreationDelimiter || [','],
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sorter: function(data) {
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if (data.length === 0) return data;
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return data.sort(function(a, b) {
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var from = a.text.toLowerCase();
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var to = b.text.toLowerCase();
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var result = 0;
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if (from > to) {
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result = 1;
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} else if (from < to) {
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result = -1;
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}
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return result;
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});
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}
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});
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// Add dynamic size
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select2.next().css('width', '100%');
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// Placeholder fix for ajax fields
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if (config.ajax) {
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setTimeout(() => {
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select2.next().find('.select2-search__field').css(
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'width', config.placeholderSize || 'auto'
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);
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}, 0);
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}
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// Check that group select correctly
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function select2CheckGroups() {
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var select2Object = $('select[data-select-by-group="true"][data-open-dropdown="true"]');
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var groups = $('.select2-dropdown').find('.select2-results__group');
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$.each(groups, (i, e) => {
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var groupChildrens = $(select2Object).find('optgroup[label="' + e.innerHTML + '"] option');
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$(e).parent()[0].dataset.customGroup = 'true';
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$(e).parent()[0].dataset.toogle = 'none';
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if ($(select2Object).find('optgroup[label="' + e.innerHTML + '"] option:selected').length === groupChildrens.length) {
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$(e).parent()[0].dataset.toogle = 'all';
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}
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});
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}
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function select2ScrollToSelectedElement() {
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var activeElement;
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var sel = $('.select2-results .select2-results__option[role="treeitem"]');
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var parent;
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var activeElementTopPosition;
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var parentActiveElementTopPosition;
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var fullTopPosition;
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var containerRealPosition;
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var containerScrollPosition = $('.select2-results__options').scrollTop();
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var containerHeight = $('.select2-results__options').height();
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if ($('.select2-results').length > 0 && $('.select2-results')[0].dataset.lastSelected !== 'false') {
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activeElement = sel[parseInt($('.select2-results')[0].dataset.lastSelected, 10)];
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} else {
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return;
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}
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parent = $(activeElement).parents('.select2-results__option[role="group"]');
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if (parent.length === 0) return;
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activeElementTopPosition = $(activeElement).position().top;
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parentActiveElementTopPosition = parent.position().top;
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fullTopPosition = activeElementTopPosition + parentActiveElementTopPosition;
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containerRealPosition = containerScrollPosition - containerHeight;
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$('.select2-results__options').scrollTop(fullTopPosition + containerRealPosition + 130);
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}
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// listen for keyups dropdown
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$('body').off('keyup', '.select2')
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.on('keyup', '.select2', function(e) {
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var keys = { up: 38, down: 40 };
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var sel = $('.select2-results');
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var childSelector = '.select2-results__option[role="treeitem"]';
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var startElement = sel.find(childSelector + '.arrow_pointer');
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var startPosition = 0;
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var newPosition;
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var newElement;
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if (e.keyCode !== keys.up && e.keyCode !== keys.down) {
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select2CheckGroups();
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return;
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}
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sel.blur();
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sel.find(childSelector).each((i, child) => {
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if (child.className.includes('arrow_pointer')) startPosition = i;
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});
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if (startElement.length === 0) {
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if ($('.select2-results')[0].dataset.lastSelected !== 'false') {
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startPosition = parseInt($('.select2-results')[0].dataset.lastSelected, 10);
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} else {
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startElement = sel.find(childSelector).first().addClass('arrow_pointer');
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$('.select2-results')[0].dataset.lastSelected = startPosition;
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return;
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}
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}
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if (e.keyCode === keys.down && !e.altKey) {
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if ((startPosition + 1) === sel.find(childSelector).length) return;
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newPosition = startPosition + 1;
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} else if (e.keyCode === keys.up) {
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if ((startPosition - 1) === -1) return;
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newPosition = startPosition - 1;
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}
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newElement = sel.find(childSelector)[newPosition];
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newElement.className += ' arrow_pointer';
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$('.select2-results')[0].dataset.lastSelected = newPosition;
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startElement.removeClass('arrow_pointer');
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select2ScrollToSelectedElement();
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select2CheckGroups();
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});
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$('.select2').find('input, .select2-selection__rendered').off('keydown').on('keydown', function(e) {
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var activeElement = $('.select2-results .arrow_pointer');
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var firstElement = $('.select2-results .select2-results__option').first();
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var groupElement = activeElement.find('.select2-results__group');
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if (e.keyCode === 13) {
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if (groupElement.length > 0) {
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groupElement.click();
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} else if (activeElement.length > 0) {
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activeElement.mouseup();
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} else {
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firstElement.mouseup();
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}
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setTimeout(() => {
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select2CheckGroups();
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}, 0);
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e.preventDefault();
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e.stopPropagation();
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}
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if ([37, 38, 39, 40].indexOf(e.keyCode) > -1) {
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select2ScrollToSelectedElement();
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e.preventDefault();
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}
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});
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// Add dynamic size
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select2.next().css('width', '100%');
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// unlimited size
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if (config.unlimitedSize) {
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this[0].dataset.unlimitedSize = true;
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select2.next().find('.select2-selection').css('max-height', 'none');
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select2.next().find('.select2-selection .select2-selection__rendered').css('width', '100%');
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}
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// Create arrow
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if (!(config.withoutArrow)) {
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$('<div class="select2-arrow"><span class="caret"></span></div>').appendTo(select2.next())
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.click(() => select2.next().find('.select2-selection').click());
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}
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// select all check
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this[0].dataset.singleDisplay = config.singleDisplay || false;
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if (this[0].dataset.selectAll === 'true') {
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$.each($(this).find('option'), (index, e) => { e.selected = true; });
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this.trigger('change');
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}
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if (config.singleDisplay) {
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$(this).updateSingleName();
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}
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return select2
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// Adding select all button
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.on('select2:open', function() {
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var selectElement = this;
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var groups;
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var groupChildrens;
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var leftPosition = -310;
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var perfectScroll = new PerfectScrollbar($('.select2-results__options')[0], {
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wheelSpeed: 0.5,
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handlers: ['click-rail', 'drag-thumb', 'wheel', 'touch']
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});
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setTimeout(() => {
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perfectScroll.update();
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}, 300);
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$('.select2-results')[0].dataset.lastSelected = false;
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selectElement.dataset.openDropdown = 'true';
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$('.select2-dropdown').removeClass('custom-group').addClass(selectElement.id + '-dropdown');
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$('.select2-selection').scrollTo(0);
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$('.select2_select_all').remove();
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// Adding select_all_button
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if (selectElement.dataset.selectAllButton !== undefined) {
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$('<div class="select2_select_all btn btn-default"><strong>' + selectElement.dataset.selectAllButton + '</strong></div>').prependTo('.select2-dropdown').on('click', function() {
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var scrollTo = $('.select2-results__options').scrollTop();
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var elementsToSelect = $.map($(selectElement).find('option'), e => e.value);
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if (
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$(selectElement).find('option:selected').length === elementsToSelect.length
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|| config.ajax
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) elementsToSelect = [];
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$(selectElement).val(elementsToSelect).trigger('change');
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$(selectElement).select2('close');
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$(selectElement).select2('open');
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$('.select2-results__options').scrollTo(scrollTo);
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});
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}
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if (selectElement.dataset.dropdownPosition === 'left') {
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$('.select2-dropdown').parent().addClass('left-position');
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if (selectElement.dataset.selectAllButton === undefined) {
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$('.select2-dropdown').parent().addClass('full');
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}
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if (window.innerWidth < 1200) {
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$('.select2-dropdown').css('left', '');
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} else {
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$('.select2-dropdown').css('left', leftPosition);
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}
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$(window).on('resize', () => {
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if (window.innerWidth < 1200) {
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$('.select2-dropdown').css('left', '');
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} else {
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$('.select2-dropdown').css('left', leftPosition);
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}
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});
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}
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// Adding select all group members event
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if (selectElement.dataset.selectByGroup === 'true') {
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$('.select2-dropdown').addClass('custom-group');
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setTimeout(() => {
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groups = $('.select2-dropdown').find('.select2-results__group');
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groups.off('click').click(e => {
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var newSelection = [];
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var scrollTo = $('.select2-results__options').scrollTop();
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var group = e.currentTarget;
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var childrens = $(selectElement).find('optgroup[label="' + group.innerHTML + '"] option');
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childrens = $.map(childrens, act => act.value);
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newSelection = ($(selectElement).val() || []).filter(function(i) {
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return childrens.indexOf(i) < 0;
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});
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if ($(selectElement).find(
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'optgroup[label="' + group.innerHTML + '"] option:selected'
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).length !== childrens.length) {
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newSelection = newSelection.concat(childrens);
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}
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$(selectElement).val(newSelection).trigger('change');
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$(selectElement).select2('close');
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$(selectElement).select2('open');
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$('.select2-results__options').scrollTo(scrollTo);
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});
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$.each(groups, (index, e) => {
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groupChildrens = $(selectElement).find('optgroup[label="' + e.innerHTML + '"] option');
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$(e).parent()[0].dataset.customGroup = 'true';
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$(e).parent()[0].dataset.toogle = 'none';
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if ($(selectElement).find('optgroup[label="' + e.innerHTML + '"] option:selected').length === groupChildrens.length) {
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$(e).parent()[0].dataset.toogle = 'all';
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}
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});
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}, 0);
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}
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})
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.on('select2:close', function() {
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this.dataset.openDropdown = 'false';
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})
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// Prevent shake bug with multiple select
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.on('select2:open select2:close', function() {
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$('.select2-selection').scrollTo(0);
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})
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// Prevent opening window when deleteing selection
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.on('select2:unselect', function() {
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var resultWindow = $('.select2-container--open');
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if (resultWindow.length === 0) {
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$(this).select2('open');
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}
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})
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// Fxied scroll bug
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.on('select2:selecting select2:unselecting', function(e) {
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$(e.currentTarget).data('scrolltop', $('.select2-results__options').scrollTop());
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$('.select2-selection').scrollTo(0);
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})
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// Fxied scroll bug
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.on('change', function(e) {
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var groups;
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var groupChildrens;
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$('.select2-selection').scrollTo(0);
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// Fix scroll to selected element after click
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setTimeout(() => {
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$('.select2-results__options').scrollTop($(e.currentTarget).data('scrolltop'));
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}, 0);
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if (this.dataset.singleDisplay === 'true') {
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$(this).updateSingleName();
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}
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if (this.dataset.selectByGroup === 'true') {
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groups = $('.select2-dropdown').find('.select2-results__group');
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$.each(groups, (index, act) => {
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groupChildrens = $(this).find('optgroup[label="' + act.innerHTML + '"] option');
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$(act).parent()[0].dataset.toogle = 'none';
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if ($(this).find('optgroup[label="' + act.innerHTML + '"] option:selected').length === groupChildrens.length) {
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$(act).parent()[0].dataset.toogle = 'all';
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}
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});
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}
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setTimeout(() => {
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select2ScrollToSelectedElement();
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}, 0);
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});
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},
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select2MultipleClearAll: function() {
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$(this).val([]).trigger('change');
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},
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// Create from multiple blocks single one with counter
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updateSingleName: function() {
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var template = '';
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var selectElement = this;
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var selectedOptions = selectElement.next().find('.select2-selection__choice');
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var optionsCounter = selectedOptions.length;
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var allOptionsSelected = this.find('option').length === optionsCounter;
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var optionText = allOptionsSelected ? this[0].dataset.selectMultipleAllSelected : optionsCounter + ' ' + this[0].dataset.selectMultipleName;
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if (optionsCounter > 1) {
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selectedOptions.remove();
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template = '<li class="select2-selection__choice">'
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+ '<span class="select2-selection__choice__remove" role="presentation">×</span>'
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+ optionText
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+ '</li>';
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$(template).prependTo(selectElement.next().find('.select2-selection__rendered')).find('.select2-selection__choice__remove')
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.click(function() { selectElement.select2MultipleClearAll(); });
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}
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}
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});
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