774 lines
21 KiB
JavaScript
774 lines
21 KiB
JavaScript
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(function(root, factory) {
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if (typeof define === 'function' && define.amd) {
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define(['jquery', 'fastsearch'], factory);
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} else if (typeof module === 'object' && module.exports) {
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module.exports = factory(require('jquery'), require('fastsearch'));
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} else {
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factory(root.jQuery);
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}
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}(this, function($) {
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var $document = $(document),
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instanceNum = 0,
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Fastsearch = $.fastsearch,
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pickTo = Fastsearch.pickTo,
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selectorFromClass = Fastsearch.selectorFromClass;
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function Fastselect(inputElement, options) {
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this.init.apply(this, arguments);
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}
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$.extend(Fastselect.prototype, {
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init: function(inputElement, options) {
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this.$input = $(inputElement);
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this.options = pickTo($.extend(true, {}, Fastselect.defaults, options, {
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placeholder: this.$input.attr('placeholder')
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}), this.$input.data(), [
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'url', 'loadOnce', 'apiParam', 'initialValue', 'userOptionAllowed'
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]);
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this.ens = '.fastselect' + (++instanceNum);
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this.hasCustomLoader = this.$input.is('input');
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this.isMultiple = !!this.$input.attr('multiple');
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this.userOptionAllowed = this.hasCustomLoader && this.isMultiple && this.options.userOptionAllowed;
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this.optionsCollection = new OptionsCollection(pickTo({multipleValues: this.isMultiple}, this.options, [
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'url', 'loadOnce', 'parseData', 'matcher'
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]));
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this.setupDomElements();
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this.setupFastsearch();
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this.setupEvents();
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},
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setupDomElements: function() {
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this.$el = $('<div>').addClass(this.options.elementClass);
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this[this.isMultiple ? 'setupMultipleElement' : 'setupSingleElement'](function() {
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this.updateDomElements();
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this.$controls.appendTo(this.$el);
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this.$el.insertAfter(this.$input);
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this.$input.detach().appendTo(this.$el);
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});
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},
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setupSingleElement: function(onDone) {
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var initialOptions = this.processInitialOptions(),
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toggleBtnText = initialOptions && initialOptions.length ? initialOptions[0].text : this.options.placeholder;
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this.$el.addClass(this.options.singleModeClass);
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this.$controls = $('<div>').addClass(this.options.controlsClass);
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this.$toggleBtn = $('<div>').addClass(this.options.toggleButtonClass).text(toggleBtnText).appendTo(this.$el);
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this.$queryInput = $('<input>').attr('placeholder', this.options.searchPlaceholder).addClass(this.options.queryInputClass).appendTo(this.$controls);
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onDone.call(this);
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},
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setupMultipleElement: function(onDone) {
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var self = this,
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options = self.options,
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initialOptions = this.processInitialOptions();
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this.$el.addClass(options.multipleModeClass);
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this.$controls = $('<div>').addClass(options.controlsClass);
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this.$queryInput = $('<input>').addClass(options.queryInputClass).appendTo(this.$controls);
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initialOptions && $.each(initialOptions, function(i, option) {
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self.addChoiceItem(option);
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});
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onDone.call(this);
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},
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updateDomElements: function() {
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this.$el.toggleClass(this.options.noneSelectedClass, !this.optionsCollection.hasSelectedValues());
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this.adjustQueryInputLayout();
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},
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processInitialOptions: function() {
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var self = this, options;
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if (this.hasCustomLoader) {
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options = this.options.initialValue;
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$.isPlainObject(options) && (options = [options]);
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} else {
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options = $.map(this.$input.find('option:selected').get(), function(option) {
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var $option = $(option);
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return {
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text: $option.text(),
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value: $option.attr('value')
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};
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});
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}
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options && $.each(options, function(i, option) {
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self.optionsCollection.setSelected(option);
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});
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return options;
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},
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addChoiceItem: function(optionModel) {
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$(
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'<div data-text="' + optionModel.text + '" data-value="' + optionModel.value + '" class="' + this.options.choiceItemClass + '">' +
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$('<div>').html(optionModel.text).text() +
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'<button class="' + this.options.choiceRemoveClass + '" type="button">×</button>' +
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'</div>'
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).insertBefore(this.$queryInput);
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},
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setupFastsearch: function() {
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var self = this,
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options = this.options,
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fastSearchParams = {};
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pickTo(fastSearchParams, options, [
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'resultsContClass', 'resultsOpenedClass', 'resultsFlippedClass', 'groupClass', 'itemClass', 'focusFirstItem',
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'groupTitleClass', 'loadingClass', 'noResultsClass', 'noResultsText', 'focusedItemClass', 'flipOnBottom'
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]);
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this.fastsearch = new Fastsearch(this.$queryInput.get(0), $.extend(fastSearchParams, {
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wrapSelector: this.isMultiple ? this.$el : this.$controls,
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minQueryLength: 0,
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typeTimeout: this.hasCustomLoader ? options.typeTimeout : 0,
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preventSubmit: true,
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fillInputId: false,
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responseFormat: {
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label: 'text',
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groupCaption: 'label'
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},
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onItemSelect: function($item, model, fastsearch) {
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var maxItems = options.maxItems;
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if (self.isMultiple && maxItems && (self.optionsCollection.getValues().length > (maxItems - 1))) {
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options.onMaxItemsReached && options.onMaxItemsReached(this);
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} else {
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self.setSelectedOption(model);
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self.writeToInput();
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!self.isMultiple && self.hide();
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options.clearQueryOnSelect && fastsearch.clear();
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if (self.userOptionAllowed && model.isUserOption) {
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fastsearch.$resultsCont.remove();
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delete fastsearch.$resultsCont;
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self.hide();
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}
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options.onItemSelect && options.onItemSelect.call(self, $item, model, self, fastsearch);
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}
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},
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onItemCreate: function($item, model) {
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model.$item = $item;
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model.selected && $item.addClass(options.itemSelectedClass);
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if (self.userOptionAllowed && model.isUserOption) {
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$item.text(self.options.userOptionPrefix + $item.text()).addClass(self.options.userOptionClass);
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}
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options.onItemCreate && options.onItemCreate.call(self, $item, model, self);
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}
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}));
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this.fastsearch.getResults = function() {
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if (self.userOptionAllowed && self.$queryInput.val().length > 1) {
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self.renderOptions();
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}
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self.getOptions(function() {
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self.renderOptions(true);
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});
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};
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},
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getOptions: function(onDone) {
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var options = this.options,
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self = this,
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params = {};
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if (this.hasCustomLoader) {
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var query = $.trim(this.$queryInput.val());
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if (query && options.apiParam) {
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params[options.apiParam] = query;
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}
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this.optionsCollection.fetch(params, onDone);
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} else {
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!this.optionsCollection.models && this.optionsCollection.reset(this.gleanSelectData(this.$input));
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onDone();
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}
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},
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namespaceEvents: function(events) {
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return Fastsearch.prototype.namespaceEvents.call(this, events);
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},
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setupEvents: function() {
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var self = this,
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options = this.options;
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if (this.isMultiple) {
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this.$el.on(this.namespaceEvents('click'), function(e) {
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$(e.target).is(selectorFromClass(options.controlsClass)) && self.$queryInput.focus();
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});
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this.$queryInput.on(this.namespaceEvents('keyup'), function(e) {
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// if (self.$queryInput.val().length === 0 && e.keyCode === 8) {
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// console.log('TODO implement delete');
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// }
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self.adjustQueryInputLayout();
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self.show();
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}).on(this.namespaceEvents('focus'), function() {
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self.show();
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});
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this.$el.on(this.namespaceEvents('click'), selectorFromClass(options.choiceRemoveClass), function(e) {
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var $choice = $(e.currentTarget).closest(selectorFromClass(options.choiceItemClass));
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self.removeSelectedOption({
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value: $choice.attr('data-value'),
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text: $choice.attr('data-text')
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}, $choice);
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});
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} else {
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this.$el.on(this.namespaceEvents('click'), selectorFromClass(options.toggleButtonClass), function() {
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self.$el.hasClass(options.activeClass) ? self.hide() : self.show(true);
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});
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}
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},
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adjustQueryInputLayout: function() {
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if (this.isMultiple && this.$queryInput) {
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var noneSelected = this.$el.hasClass(this.options.noneSelectedClass);
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this.$queryInput.toggleClass(this.options.queryInputExpandedClass, noneSelected);
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if (noneSelected) {
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this.$queryInput.attr({
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style: '',
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placeholder: this.options.placeholder
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});
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} else {
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this.$fakeInput = this.$fakeInput || $('<span>').addClass(this.options.fakeInputClass);
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this.$fakeInput.text(this.$queryInput.val().replace(/\s/g, ' '));
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this.$queryInput.removeAttr('placeholder').css('width', this.$fakeInput.insertAfter(this.$queryInput).width() + 20);
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this.$fakeInput.detach();
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}
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}
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},
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show: function(focus) {
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this.$el.addClass(this.options.activeClass);
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focus ? this.$queryInput.focus() : this.fastsearch.handleTyping();
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this.documentCancelEvents('on');
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},
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hide: function() {
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this.$el.removeClass(this.options.activeClass);
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this.documentCancelEvents('off');
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},
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documentCancelEvents: function(setup) {
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Fastsearch.prototype.documentCancelEvents.call(this, setup, this.hide);
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},
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setSelectedOption: function(option) {
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if (this.optionsCollection.isSelected(option.value)) {
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return;
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}
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this.optionsCollection.setSelected(option);
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var selectedModel = this.optionsCollection.findWhere(function(model) {
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return model.value === option.value;
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});
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if (this.isMultiple) {
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this.$controls && this.addChoiceItem(option);
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} else {
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this.fastsearch && this.fastsearch.$resultItems.removeClass(this.options.itemSelectedClass);
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this.$toggleBtn && this.$toggleBtn.text(option.text);
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}
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selectedModel && selectedModel.$item.addClass(this.options.itemSelectedClass);
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this.updateDomElements();
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},
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removeSelectedOption: function(option, $choiceItem) {
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var removedModel = this.optionsCollection.removeSelected(option);
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if (removedModel && removedModel.$item) {
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removedModel.$item.removeClass(this.options.itemSelectedClass);
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}
|
|||
|
|
|
|||
|
|
if ($choiceItem) {
|
|||
|
|
$choiceItem.remove();
|
|||
|
|
} else {
|
|||
|
|
this.$el.find(selectorFromClass(this.options.choiceItemClass) + '[data-value="' + option.value + '"]').remove();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
this.updateDomElements();
|
|||
|
|
this.writeToInput();
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
writeToInput: function() {
|
|||
|
|
|
|||
|
|
var values = this.optionsCollection.getValues(),
|
|||
|
|
delimiter = this.options.valueDelimiter,
|
|||
|
|
formattedValue = this.isMultiple ? (this.hasCustomLoader ? values.join(delimiter) : values) : values[0];
|
|||
|
|
|
|||
|
|
this.$input.val(formattedValue).trigger('change');
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
renderOptions: function(filter) {
|
|||
|
|
|
|||
|
|
var query = this.$queryInput.val();
|
|||
|
|
var data;
|
|||
|
|
|
|||
|
|
if (this.optionsCollection.models) {
|
|||
|
|
data = (filter ? this.optionsCollection.filter(query) : this.optionsCollection.models).slice(0);
|
|||
|
|
} else {
|
|||
|
|
data = [];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (this.userOptionAllowed) {
|
|||
|
|
|
|||
|
|
var queryInList = this.optionsCollection.models && this.optionsCollection.findWhere(function(model) {
|
|||
|
|
return model.value === query;
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
query && !queryInList && data.unshift({
|
|||
|
|
text: query,
|
|||
|
|
value: query,
|
|||
|
|
isUserOption: true
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
this.fastsearch.showResults(this.fastsearch.storeResponse(data).generateResults(data));
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
gleanSelectData: function($select) {
|
|||
|
|
|
|||
|
|
var self = this,
|
|||
|
|
$elements = $select.children();
|
|||
|
|
|
|||
|
|
if ($elements.eq(0).is('optgroup')) {
|
|||
|
|
|
|||
|
|
return $.map($elements.get(), function(optgroup) {
|
|||
|
|
|
|||
|
|
var $optgroup = $(optgroup);
|
|||
|
|
|
|||
|
|
return {
|
|||
|
|
label: $optgroup.attr('label'),
|
|||
|
|
items: self.gleanOptionsData($optgroup.children())
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
} else {
|
|||
|
|
|
|||
|
|
return this.gleanOptionsData($elements);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
gleanOptionsData: function($options) {
|
|||
|
|
|
|||
|
|
return $.map($options.get(), function(option) {
|
|||
|
|
var $option = $(option);
|
|||
|
|
return {
|
|||
|
|
text: $option.text(),
|
|||
|
|
value: $option.attr('value'),
|
|||
|
|
selected: $option.is(':selected')
|
|||
|
|
};
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
destroy: function() {
|
|||
|
|
|
|||
|
|
$document.off(this.ens);
|
|||
|
|
this.fastsearch.destroy();
|
|||
|
|
this.$input.off(this.ens).detach().insertAfter(this.$el);
|
|||
|
|
this.$el.off(this.ens).remove();
|
|||
|
|
|
|||
|
|
this.$input.data() && delete this.$input.data().fastselect;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
function OptionsCollection(options) {
|
|||
|
|
|
|||
|
|
this.init(options);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$.extend(OptionsCollection.prototype, {
|
|||
|
|
|
|||
|
|
defaults: {
|
|||
|
|
loadOnce: false,
|
|||
|
|
url: null,
|
|||
|
|
parseData: null,
|
|||
|
|
multipleValues: false,
|
|||
|
|
matcher: function(text, query) {
|
|||
|
|
|
|||
|
|
return text.toLowerCase().indexOf(query.toLowerCase()) > -1;
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
init: function(options) {
|
|||
|
|
|
|||
|
|
this.options = $.extend({}, this.defaults, options);
|
|||
|
|
this.selectedValues = {};
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
fetch: function(fetchParams, onDone) {
|
|||
|
|
|
|||
|
|
var self = this,
|
|||
|
|
afterFetch = function() {
|
|||
|
|
self.applySelectedValues(onDone);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
if (this.options.loadOnce) {
|
|||
|
|
|
|||
|
|
this.fetchDeferred = this.fetchDeferred || this.load(fetchParams);
|
|||
|
|
this.fetchDeferred.done(afterFetch);
|
|||
|
|
|
|||
|
|
} else {
|
|||
|
|
this.load(fetchParams, afterFetch);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
reset: function(models) {
|
|||
|
|
|
|||
|
|
this.models = this.options.parseData ? this.options.parseData(models) : models;
|
|||
|
|
this.applySelectedValues();
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
applySelectedValues: function(onDone) {
|
|||
|
|
|
|||
|
|
this.each(function(option) {
|
|||
|
|
|
|||
|
|
if (this.options.multipleValues && option.selected) {
|
|||
|
|
|
|||
|
|
this.selectedValues[option.value] = true;
|
|||
|
|
|
|||
|
|
} else {
|
|||
|
|
|
|||
|
|
option.selected = !!this.selectedValues[option.value];
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
onDone && onDone.call(this);
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
load: function(params, onDone) {
|
|||
|
|
|
|||
|
|
var self = this,
|
|||
|
|
options = this.options;
|
|||
|
|
|
|||
|
|
return $.get(options.url, params, function(data) {
|
|||
|
|
|
|||
|
|
self.models = options.parseData ? options.parseData(data) : data;
|
|||
|
|
|
|||
|
|
onDone && onDone.call(self);
|
|||
|
|
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
setSelected: function(option) {
|
|||
|
|
|
|||
|
|
if (!this.options.multipleValues) {
|
|||
|
|
this.selectedValues = {};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
this.selectedValues[option.value] = true;
|
|||
|
|
this.applySelectedValues();
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
removeSelected: function(option) {
|
|||
|
|
|
|||
|
|
var model = this.findWhere(function(model) {
|
|||
|
|
return option.value === model.value;
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
model && (model.selected = false);
|
|||
|
|
|
|||
|
|
delete this.selectedValues[option.value];
|
|||
|
|
|
|||
|
|
return model;
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
isSelected: function(value) {
|
|||
|
|
|
|||
|
|
return !!this.selectedValues[value];
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
hasSelectedValues: function() {
|
|||
|
|
|
|||
|
|
return this.getValues().length > 0;
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
each: function(iterator) {
|
|||
|
|
|
|||
|
|
var self = this;
|
|||
|
|
|
|||
|
|
this.models && $.each(this.models, function(i, option) {
|
|||
|
|
|
|||
|
|
option.items ? $.each(option.items, function(i, nestedOption) {
|
|||
|
|
iterator.call(self, nestedOption);
|
|||
|
|
}) : iterator.call(self, option);
|
|||
|
|
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
where: function(predicate) {
|
|||
|
|
|
|||
|
|
var temp = [];
|
|||
|
|
|
|||
|
|
this.each(function(option) {
|
|||
|
|
predicate(option) && temp.push(option);
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
return temp;
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
findWhere: function(predicate) {
|
|||
|
|
|
|||
|
|
var models = this.where(predicate);
|
|||
|
|
|
|||
|
|
return models.length ? models[0] : undefined;
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
filter: function(query) {
|
|||
|
|
|
|||
|
|
var self = this;
|
|||
|
|
|
|||
|
|
function checkItem(item) {
|
|||
|
|
return self.options.matcher(item.text, query) ? item : null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!query || query.length === 0) {
|
|||
|
|
return this.models;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return $.map(this.models, function(item) {
|
|||
|
|
|
|||
|
|
if (item.items) {
|
|||
|
|
|
|||
|
|
var filteredItems = $.map(item.items, checkItem);
|
|||
|
|
|
|||
|
|
return filteredItems.length ? {
|
|||
|
|
label: item.label,
|
|||
|
|
items: filteredItems
|
|||
|
|
} : null;
|
|||
|
|
|
|||
|
|
} else {
|
|||
|
|
return checkItem(item);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
getValues: function() {
|
|||
|
|
|
|||
|
|
return $.map(this.selectedValues, function(prop, key) {
|
|||
|
|
return prop ? key : null;
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
Fastselect.defaults = {
|
|||
|
|
|
|||
|
|
elementClass: 'fstElement',
|
|||
|
|
singleModeClass: 'fstSingleMode',
|
|||
|
|
noneSelectedClass: 'fstNoneSelected',
|
|||
|
|
multipleModeClass: 'fstMultipleMode',
|
|||
|
|
queryInputClass: 'fstQueryInput',
|
|||
|
|
queryInputExpandedClass: 'fstQueryInputExpanded',
|
|||
|
|
fakeInputClass: 'fstFakeInput',
|
|||
|
|
controlsClass: 'fstControls',
|
|||
|
|
toggleButtonClass: 'fstToggleBtn',
|
|||
|
|
activeClass: 'fstActive',
|
|||
|
|
itemSelectedClass: 'fstSelected',
|
|||
|
|
choiceItemClass: 'fstChoiceItem',
|
|||
|
|
choiceRemoveClass: 'fstChoiceRemove',
|
|||
|
|
userOptionClass: 'fstUserOption',
|
|||
|
|
|
|||
|
|
resultsContClass: 'fstResults',
|
|||
|
|
resultsOpenedClass: 'fstResultsOpened',
|
|||
|
|
resultsFlippedClass: 'fstResultsFilpped',
|
|||
|
|
groupClass: 'fstGroup',
|
|||
|
|
itemClass: 'fstResultItem',
|
|||
|
|
groupTitleClass: 'fstGroupTitle',
|
|||
|
|
loadingClass: 'fstLoading',
|
|||
|
|
noResultsClass: 'fstNoResults',
|
|||
|
|
focusedItemClass: 'fstFocused',
|
|||
|
|
|
|||
|
|
matcher: null,
|
|||
|
|
|
|||
|
|
url: null,
|
|||
|
|
loadOnce: false,
|
|||
|
|
apiParam: 'query',
|
|||
|
|
initialValue: null,
|
|||
|
|
clearQueryOnSelect: true,
|
|||
|
|
minQueryLength: 1,
|
|||
|
|
focusFirstItem: false,
|
|||
|
|
flipOnBottom: true,
|
|||
|
|
typeTimeout: 150,
|
|||
|
|
userOptionAllowed: false,
|
|||
|
|
valueDelimiter: ',',
|
|||
|
|
maxItems: null,
|
|||
|
|
|
|||
|
|
parseData: null,
|
|||
|
|
onItemSelect: null,
|
|||
|
|
onItemCreate: null,
|
|||
|
|
onMaxItemsReached: null,
|
|||
|
|
|
|||
|
|
placeholder: 'Choose option',
|
|||
|
|
searchPlaceholder: 'Search options',
|
|||
|
|
noResultsText: 'No results',
|
|||
|
|
userOptionPrefix: 'Add '
|
|||
|
|
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
$.Fastselect = Fastselect;
|
|||
|
|
$.Fastselect.OptionsCollection = OptionsCollection;
|
|||
|
|
|
|||
|
|
$.fn.fastselect = function(options) {
|
|||
|
|
return this.each(function() {
|
|||
|
|
if (!$.data(this, 'fastselect')) {
|
|||
|
|
$.data(this, 'fastselect', new Fastselect(this, options));
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
return $;
|
|||
|
|
|
|||
|
|
}));
|