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File: bootstrap/chosen/chosen.jquery.js

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File: bootstrap/chosen/chosen.jquery.js
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/*! Chosen, a Select Box Enhancer for jQuery and Prototype by Patrick Filler for Harvest, http://getharvest.com Version 1.4.2 Full source at https://github.com/harvesthq/chosen Copyright (c) 2011-2015 Harvest http://getharvest.com MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md This file is generated by `grunt build`, do not edit it by hand. */ (function() { var $, AbstractChosen, Chosen, SelectParser, _ref, __hasProp = {}.hasOwnProperty, __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; }; SelectParser = (function() { function SelectParser() { this.options_index = 0; this.parsed = []; } SelectParser.prototype.add_node = function(child) { if (child.nodeName.toUpperCase() === "OPTGROUP") { return this.add_group(child); } else { return this.add_option(child); } }; SelectParser.prototype.add_group = function(group) { var group_position, option, _i, _len, _ref, _results; group_position = this.parsed.length; this.parsed.push({ array_index: group_position, group: true, label: this.escapeExpression(group.label), title: group.title ? group.title : void 0, children: 0, disabled: group.disabled, classes: group.className }); _ref = group.childNodes; _results = []; for (_i = 0, _len = _ref.length; _i < _len; _i++) { option = _ref[_i]; _results.push(this.add_option(option, group_position, group.disabled)); } return _results; }; SelectParser.prototype.add_option = function(option, group_position, group_disabled) { if (option.nodeName.toUpperCase() === "OPTION") { if (option.text !== "") { if (group_position != null) { this.parsed[group_position].children += 1; } this.parsed.push({ array_index: this.parsed.length, options_index: this.options_index, value: option.value, text: option.text, html: option.innerHTML, title: option.title ? option.title : void 0, selected: option.selected, disabled: group_disabled === true ? group_disabled : option.disabled, group_array_index: group_position, group_label: group_position != null ? this.parsed[group_position].label : null, classes: option.className, style: option.style.cssText }); } else { this.parsed.push({ array_index: this.parsed.length, options_index: this.options_index, empty: true }); } return this.options_index += 1; } }; SelectParser.prototype.escapeExpression = function(text) { var map, unsafe_chars; if ((text == null) || text === false) { return ""; } if (!/[\&\<\>\"\'\`]/.test(text)) { return text; } map = { "<": "&lt;", ">": "&gt;", '"': "&quot;", "'": "&#x27;", "`": "&#x60;" }; unsafe_chars = /&(?!\w+;)|[\<\>\"\'\`]/g; return text.replace(unsafe_chars, function(chr) { return map[chr] || "&amp;"; }); }; return SelectParser; })(); SelectParser.select_to_array = function(select) { var child, parser, _i, _len, _ref; parser = new SelectParser(); _ref = select.childNodes; for (_i = 0, _len = _ref.length; _i < _len; _i++) { child = _ref[_i]; parser.add_node(child); } return parser.parsed; }; AbstractChosen = (function() { function AbstractChosen(form_field, options) { this.form_field = form_field; this.options = options != null ? options : {}; if (!AbstractChosen.browser_is_supported()) { return; } this.is_multiple = this.form_field.multiple; this.set_default_text(); this.set_default_values(); this.setup(); this.set_up_html(); this.register_observers(); this.on_ready(); } AbstractChosen.prototype.set_default_values = function() { var _this = this; this.click_test_action = function(evt) { return _this.test_active_click(evt); }; this.activate_action = function(evt) { return _this.activate_field(evt); }; this.active_field = false; this.mouse_on_container = false; this.results_showing = false; this.result_highlighted = null; this.allow_single_deselect = (this.options.allow_single_deselect != null) && (this.form_field.options[0] != null) && this.form_field.options[0].text === "" ? this.options.allow_single_deselect : false; this.disable_search_threshold = this.options.disable_search_threshold || 0; this.disable_search = this.options.disable_search || false; this.enable_split_word_search = this.options.enable_split_word_search != null ? this.options.enable_split_word_search : true; this.group_search = this.options.group_search != null ? this.options.group_search : true; this.search_contains = this.options.search_contains || false; this.single_backstroke_delete = this.options.single_backstroke_delete != null ? this.options.single_backstroke_delete : true; this.max_selected_options = this.options.max_selected_options || Infinity; this.inherit_select_classes = this.options.inherit_select_classes || false; this.display_selected_options = this.options.display_selected_options != null ? this.options.display_selected_options : true; this.display_disabled_options = this.options.display_disabled_options != null ? this.options.display_disabled_options : true; return this.include_group_label_in_selected = this.options.include_group_label_in_selected || false; }; AbstractChosen.prototype.set_default_text = function() { if (this.form_field.getAttribute("data-placeholder")) { this.default_text = this.form_field.getAttribute("data-placeholder"); } else if (this.is_multiple) { this.default_text = this.options.placeholder_text_multiple || this.options.placeholder_text || AbstractChosen.default_multiple_text; } else { this.default_text = this.options.placeholder_text_single || this.options.placeholder_text || AbstractChosen.default_single_text; } return this.results_none_found = this.form_field.getAttribute("data-no_results_text") || this.options.no_results_text || AbstractChosen.default_no_result_text; }; AbstractChosen.prototype.choice_label = function(item) { if (this.include_group_label_in_selected && (item.group_label != null)) { return "<b class='group-name'>" + item.group_label + "</b>" + item.html; } else { return item.html; } }; AbstractChosen.prototype.mouse_enter = function() { return this.mouse_on_container = true; }; AbstractChosen.prototype.mouse_leave = function() { return this.mouse_on_container = false; }; AbstractChosen.prototype.input_focus = function(evt) { var _this = this; if (this.is_multiple) { if (!this.active_field) { return setTimeout((function() { return _this.container_mousedown(); }), 50); } } else { if (!this.active_field) { return this.activate_field(); } } }; AbstractChosen.prototype.input_blur = function(evt) { var _this = this; if (!this.mouse_on_container) { this.active_field = false; return setTimeout((function() { return _this.blur_test(); }), 100); } }; AbstractChosen.prototype.results_option_build = function(options) { var content, data, _i, _len, _ref; content = ''; _ref = this.results_data; for (_i = 0, _len = _ref.length; _i < _len; _i++) { data = _ref[_i]; if (data.group) { content += this.result_add_group(data); } else { content += this.result_add_option(data); } if (options != null ? options.first : void 0) { if (data.selected && this.is_multiple) { this.choice_build(data); } else if (data.selected && !this.is_multiple) { this.single_set_selected_text(this.choice_label(data)); } } } return content; }; AbstractChosen.prototype.result_add_option = function(option) { var classes, option_el; if (!option.search_match) { return ''; } if (!this.include_option_in_results(option)) { return ''; } classes = []; if (!option.disabled && !(option.selected && this.is_multiple)) { classes.push("active-result"); } if (option.disabled && !(option.selected && this.is_multiple)) { classes.push("disabled-result"); } if (option.selected) { classes.push("result-selected"); } if (option.group_array_index != null) { classes.push("group-option"); } if (option.classes !== "") { classes.push(option.classes); } option_el = document.createElement("li"); option_el.className = classes.join(" "); option_el.style.cssText = option.style; option_el.setAttribute("data-option-array-index", option.array_index); option_el.innerHTML = option.search_text; if (option.title) { option_el.title = option.title; } return this.outerHTML(option_el); }; AbstractChosen.prototype.result_add_group = function(group) { var classes, group_el; if (!(group.search_match || group.group_match)) { return ''; } if (!(group.active_options > 0)) { return ''; } classes = []; classes.push("group-result"); if (group.classes) { classes.push(group.classes); } group_el = document.createElement("li"); group_el.className = classes.join(" "); group_el.innerHTML = group.search_text; if (group.title) { group_el.title = group.title; } return this.outerHTML(group_el); }; AbstractChosen.prototype.results_update_field = function() { this.set_default_text(); if (!this.is_multiple) { this.results_reset_cleanup(); } this.result_clear_highlight(); this.results_build(); if (this.results_showing) { return this.winnow_results(); } }; AbstractChosen.prototype.reset_single_select_options = function() { var result, _i, _len, _ref, _results; _ref = this.results_data; _results = []; for (_i = 0, _len = _ref.length; _i < _len; _i++) { result = _ref[_i]; if (result.selected) { _results.push(result.selected = false); } else { _results.push(void 0); } } return _results; }; AbstractChosen.prototype.results_toggle = function() { if (this.results_showing) { return this.results_hide(); } else { return this.results_show(); } }; AbstractChosen.prototype.results_search = function(evt) { if (this.results_showing) { return this.winnow_results(); } else { return this.results_show(); } }; AbstractChosen.prototype.winnow_results = function() { var escapedSearchText, option, regex, results, results_group, searchText, startpos, text, zregex, _i, _len, _ref; this.no_results_clear(); results = 0; searchText = this.get_search_text(); escapedSearchText = searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"); zregex = new RegExp(escapedSearchText, 'i'); regex = this.get_search_regex(escapedSearchText); _ref = this.results_data; for (_i = 0, _len = _ref.length; _i < _len; _i++) { option = _ref[_i]; option.search_match = false; results_group = null; if (this.include_option_in_results(option)) { if (option.group) { option.group_match = false; option.active_options = 0; } if ((option.group_array_index != null) && this.results_data[option.group_array_index]) { results_group = this.results_data[option.group_array_index]; if (results_group.active_options === 0 && results_group.search_match) { results += 1; } results_group.active_options += 1; } option.search_text = option.group ? option.label : option.html; if (!(option.group && !this.group_search)) { option.search_match = this.search_string_match(option.search_text, regex); if (option.search_match && !option.group) { results += 1; } if (option.search_match) { if (searchText.length) { startpos = option.search_text.search(zregex); text = option.search_text.substr(0, startpos + searchText.length) + '</em>' + option.search_text.substr(startpos + searchText.length); option.search_text = text.substr(0, startpos) + '<em>' + text.substr(startpos); } if (results_group != null) { results_group.group_match = true; } } else if ((option.group_array_index != null) && this.results_data[option.group_array_index].search_match) { option.search_match = true; } } } } this.result_clear_highlight(); if (results < 1 && searchText.length) { this.update_results_content(""); return this.no_results(searchText); } else { this.update_results_content(this.results_option_build()); return this.winnow_results_set_highlight(); } }; AbstractChosen.prototype.get_search_regex = function(escaped_search_string) { var regex_anchor; regex_anchor = this.search_contains ? "" : "^"; return new RegExp(regex_anchor + escaped_search_string, 'i'); }; AbstractChosen.prototype.search_string_match = function(search_string, regex) { var part, parts, _i, _len; if (regex.test(search_string)) { return true; } else if (this.enable_split_word_search && (search_string.indexOf(" ") >= 0 || search_string.indexOf("[") === 0)) { parts = search_string.replace(/\[|\]/g, "").split(" "); if (parts.length) { for (_i = 0, _len = parts.length; _i < _len; _i++) { part = parts[_i]; if (regex.test(part)) { return true; } } } } }; AbstractChosen.prototype.choices_count = function() { var option, _i, _len, _ref; if (this.selected_option_count != null) { return this.selected_option_count; } this.selected_option_count = 0; _ref = this.form_field.options; for (_i = 0, _len = _ref.length; _i < _len; _i++) { option = _ref[_i]; if (option.selected) { this.selected_option_count += 1; } } return this.selected_option_count; }; AbstractChosen.prototype.choices_click = function(evt) { evt.preventDefault(); if (!(this.results_showing || this.is_disabled)) { return this.results_show(); } }; AbstractChosen.prototype.keyup_checker = function(evt) { var stroke, _ref; stroke = (_ref = evt.which) != null ? _ref : evt.keyCode; this.search_field_scale(); switch (stroke) { case 8: if (this.is_multiple && this.backstroke_length < 1 && this.choices_count() > 0) { return this.keydown_backstroke(); } else if (!this.pending_backstroke) { this.result_clear_highlight(); return this.results_search(); } break; case 13: evt.preventDefault(); if (this.results_showing) { return this.result_select(evt); } break; case 27: if (this.results_showing) { this.results_hide(); } return true; case 9: case 38: case 40: case 16: case 91: case 17: break; default: return this.results_search(); } }; AbstractChosen.prototype.clipboard_event_checker = function(evt) { var _this = this; return setTimeout((function() { return _this.results_search(); }), 50); }; AbstractChosen.prototype.container_width = function() { if (this.options.width != null) { return this.options.width; } else { return "" + this.form_field.offsetWidth + "px"; } }; AbstractChosen.prototype.include_option_in_results = function(option) { if (this.is_multiple && (!this.display_selected_options && option.selected)) { return false; } if (!this.display_disabled_options && option.disabled) { return false; } if (option.empty) { return false; } return true; }; AbstractChosen.prototype.search_results_touchstart = function(evt) { this.touch_started = true; return this.search_results_mouseover(evt); }; AbstractChosen.prototype.search_results_touchmove = function(evt) { this.touch_started = false; return this.search_results_mouseout(evt); }; AbstractChosen.prototype.search_results_touchend = function(evt) { if (this.touch_started) { return this.search_results_mouseup(evt); } }; AbstractChosen.prototype.outerHTML = function(element) { var tmp; if (element.outerHTML) { return element.outerHTML; } tmp = document.createElement("div"); tmp.appendChild(element); return tmp.innerHTML; }; AbstractChosen.browser_is_supported = function() { if (window.navigator.appName === "Microsoft Internet Explorer") { return document.documentMode >= 8; } if (/iP(od|hone)/i.test(window.navigator.userAgent)) { return false; } if (/Android/i.test(window.navigator.userAgent)) { if (/Mobile/i.test(window.navigator.userAgent)) { return false; } } return true; }; AbstractChosen.default_multiple_text = "Select Some Options"; AbstractChosen.default_single_text = "Select an Option"; AbstractChosen.default_no_result_text = "No results match"; return AbstractChosen; })(); $ = jQuery; $.fn.extend({ chosen: function(options) { if (!AbstractChosen.browser_is_supported()) { return this; } return this.each(function(input_field) { var $this, chosen; $this = $(this); chosen = $this.data('chosen'); if (options === 'destroy' && chosen instanceof Chosen) { chosen.destroy(); } else if (!(chosen instanceof Chosen)) { $this.data('chosen', new Chosen(this, options)); } }); } }); Chosen = (function(_super) { __extends(Chosen, _super); function Chosen() { _ref = Chosen.__super__.constructor.apply(this, arguments); return _ref; } Chosen.prototype.setup = function() { this.form_field_jq = $(this.form_field); this.current_selectedIndex = this.form_field.selectedIndex; return this.is_rtl = this.form_field_jq.hasClass("chosen-rtl"); }; Chosen.prototype.set_up_html = function() { var container_classes, container_props; container_classes = ["chosen-container"]; container_classes.push("chosen-container-" + (this.is_multiple ? "multi" : "single")); if (this.inherit_select_classes && this.form_field.className) { container_classes.push(this.form_field.className); } if (this.is_rtl) { container_classes.push("chosen-rtl"); } container_props = { 'class': container_classes.join(' '), 'style': "width: " + (this.container_width()) + ";", 'title': this.form_field.title }; if (this.form_field.id.length) { container_props.id = this.form_field.id.replace(/[^\w]/g, '_') + "_chosen"; } this.container = $("<div />", container_props); if (this.is_multiple) { this.container.html('<ul class="chosen-choices"><li class="search-field"><input type="text" value="' + this.default_text + '" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chosen-drop"><ul class="chosen-results"></ul></div>'); } else { this.container.html('<a class="chosen-single chosen-default" tabindex="-1"><span>' + this.default_text + '</span><div><b></b></div></a><div class="chosen-drop"><div class="chosen-search"><input type="text" autocomplete="off" /></div><ul class="chosen-results"></ul></div>'); } this.form_field_jq.hide().after(this.container); this.dropdown = this.container.find('div.chosen-drop').first(); this.search_field = this.container.find('input').first(); this.search_results = this.container.find('ul.chosen-results').first(); this.search_field_scale(); this.search_no_results = this.container.find('li.no-results').first(); if (this.is_multiple) { this.search_choices = this.container.find('ul.chosen-choices').first(); this.search_container = this.container.find('li.search-field').first(); } else { this.search_container = this.container.find('div.chosen-search').first(); this.selected_item = this.container.find('.chosen-single').first(); } this.results_build(); this.set_tab_index(); return this.set_label_behavior(); }; Chosen.prototype.on_ready = function() { return this.form_field_jq.trigger("chosen:ready", { chosen: this }); }; Chosen.prototype.register_observers = function() { var _this = this; this.container.bind('touchstart.chosen', function(evt) { _this.container_mousedown(evt); return evt.preventDefault(); }); this.container.bind('touchend.chosen', function(evt) { _this.container_mouseup(evt); return evt.preventDefault(); }); this.container.bind('mousedown.chosen', function(evt) { _this.container_mousedown(evt); }); this.container.bind('mouseup.chosen', function(evt) { _this.container_mouseup(evt); }); this.container.bind('mouseenter.chosen', function(evt) { _this.mouse_enter(evt); }); this.container.bind('mouseleave.chosen', function(evt) { _this.mouse_leave(evt); }); this.search_results.bind('mouseup.chosen', function(evt) { _this.search_results_mouseup(evt); }); this.search_results.bind('mouseover.chosen', function(evt) { _this.search_results_mouseover(evt); }); this.search_results.bind('mouseout.chosen', function(evt) { _this.search_results_mouseout(evt); }); this.search_results.bind('mousewheel.chosen DOMMouseScroll.chosen', function(evt) { _this.search_results_mousewheel(evt); }); this.search_results.bind('touchstart.chosen', function(evt) { _this.search_results_touchstart(evt); }); this.search_results.bind('touchmove.chosen', function(evt) { _this.search_results_touchmove(evt); }); this.search_results.bind('touchend.chosen', function(evt) { _this.search_results_touchend(evt); }); this.form_field_jq.bind("chosen:updated.chosen", function(evt) { _this.results_update_field(evt); }); this.form_field_jq.bind("chosen:activate.chosen", function(evt) { _this.activate_field(evt); }); this.form_field_jq.bind("chosen:open.chosen", function(evt) { _this.container_mousedown(evt); }); this.form_field_jq.bind("chosen:close.chosen", function(evt) { _this.input_blur(evt); }); this.search_field.bind('blur.chosen', function(evt) { _this.input_blur(evt); }); this.search_field.bind('keyup.chosen', function(evt) { _this.keyup_checker(evt); }); this.search_field.bind('keydown.chosen', function(evt) { _this.keydown_checker(evt); }); this.search_field.bind('focus.chosen', function(evt) { _this.input_focus(evt); }); this.search_field.bind('cut.chosen', function(evt) { _this.clipboard_event_checker(evt); }); this.search_field.bind('paste.chosen', function(evt) { _this.clipboard_event_checker(evt); }); if (this.is_multiple) { return this.search_choices.bind('click.chosen', function(evt) { _this.choices_click(evt); }); } else { return this.container.bind('click.chosen', function(evt) { evt.preventDefault(); }); } }; Chosen.prototype.destroy = function() { $(this.container[0].ownerDocument).unbind("click.chosen", this.click_test_action); if (this.search_field[0].tabIndex) { this.form_field_jq[0].tabIndex = this.search_field[0].tabIndex; } this.container.remove(); this.form_field_jq.removeData('chosen'); return this.form_field_jq.show(); }; Chosen.prototype.search_field_disabled = function() { this.is_disabled = this.form_field_jq[0].disabled; if (this.is_disabled) { this.container.addClass('chosen-disabled'); this.search_field[0].disabled = true; if (!this.is_multiple) { this.selected_item.unbind("focus.chosen", this.activate_action); } return this.close_field(); } else { this.container.removeClass('chosen-disabled'); this.search_field[0].disabled = false; if (!this.is_multiple) { return this.selected_item.bind("focus.chosen", this.activate_action); } } }; Chosen.prototype.container_mousedown = function(evt) { if (!this.is_disabled) { if (evt && evt.type === "mousedown" && !this.results_showing) { evt.preventDefault(); } if (!((evt != null) && ($(evt.target)).hasClass("search-choice-close"))) { if (!this.active_field) { if (this.is_multiple) { this.search_field.val(""); } $(this.container[0].ownerDocument).bind('click.chosen', this.click_test_action); this.results_show(); } else if (!this.is_multiple && evt && (($(evt.target)[0] === this.selected_item[0]) || $(evt.target).parents("a.chosen-single").length)) { evt.preventDefault(); this.results_toggle(); } return this.activate_field(); } } }; Chosen.prototype.container_mouseup = function(evt) { if (evt.target.nodeName === "ABBR" && !this.is_disabled) { return this.results_reset(evt); } }; Chosen.prototype.search_results_mousewheel = function(evt) { var delta; if (evt.originalEvent) { delta = evt.originalEvent.deltaY || -evt.originalEvent.wheelDelta || evt.originalEvent.detail; } if (delta != null) { evt.preventDefault(); if (evt.type === 'DOMMouseScroll') { delta = delta * 40; } return this.search_results.scrollTop(delta + this.search_results.scrollTop()); } }; Chosen.prototype.blur_test = function(evt) { if (!this.active_field && this.container.hasClass("chosen-container-active")) { return this.close_field(); } }; Chosen.prototype.close_field = function() { $(this.container[0].ownerDocument).unbind("click.chosen", this.click_test_action); this.active_field = false; this.results_hide(); this.container.removeClass("chosen-container-active"); this.clear_backstroke(); this.show_search_field_default(); return this.search_field_scale(); }; Chosen.prototype.activate_field = function() { this.container.addClass("chosen-container-active"); this.active_field = true; this.search_field.val(this.search_field.val()); return this.search_field.focus(); }; Chosen.prototype.test_active_click = function(evt) { var active_container; active_container = $(evt.target).closest('.chosen-container'); if (active_container.length && this.container[0] === active_container[0]) { return this.active_field = true; } else { return this.close_field(); } }; Chosen.prototype.results_build = function() { this.parsing = true; this.selected_option_count = null; this.results_data = SelectParser.select_to_array(this.form_field); if (this.is_multiple) { this.search_choices.find("li.search-choice").remove(); } else if (!this.is_multiple) { this.single_set_selected_text(); if (this.disable_search || this.form_field.options.length <= this.disable_search_threshold) { this.search_field[0].readOnly = true; this.container.addClass("chosen-container-single-nosearch"); } else { this.search_field[0].readOnly = false; this.container.removeClass("chosen-container-single-nosearch"); } } this.update_results_content(this.results_option_build({ first: true })); this.search_field_disabled(); this.show_search_field_default(); this.search_field_scale(); return this.parsing = false; }; Chosen.prototype.result_do_highlight = function(el) { var high_bottom, high_top, maxHeight, visible_bottom, visible_top; if (el.length) { this.result_clear_highlight(); this.result_highlight = el; this.result_highlight.addClass("highlighted"); maxHeight = parseInt(this.search_results.css("maxHeight"), 10); visible_top = this.search_results.scrollTop(); visible_bottom = maxHeight + visible_top; high_top = this.result_highlight.position().top + this.search_results.scrollTop(); high_bottom = high_top + this.result_highlight.outerHeight(); if (high_bottom >= visible_bottom) { return this.search_results.scrollTop((high_bottom - maxHeight) > 0 ? high_bottom - maxHeight : 0); } else if (high_top < visible_top) { return this.search_results.scrollTop(high_top); } } }; Chosen.prototype.result_clear_highlight = function() { if (this.result_highlight) { this.result_highlight.removeClass("highlighted"); } return this.result_highlight = null; }; Chosen.prototype.results_show = function() { if (this.is_multiple && this.max_selected_options <= this.choices_count()) { this.form_field_jq.trigger("chosen:maxselected", { chosen: this }); return false; } this.container.addClass("chosen-with-drop"); this.results_showing = true; this.search_field.focus(); this.search_field.val(this.search_field.val()); this.winnow_results(); return this.form_field_jq.trigger("chosen:showing_dropdown", { chosen: this }); }; Chosen.prototype.update_results_content = function(content) { return this.search_results.html(content); }; Chosen.prototype.results_hide = function() { if (this.results_showing) { this.result_clear_highlight(); this.container.removeClass("chosen-with-drop"); this.form_field_jq.trigger("chosen:hiding_dropdown", { chosen: this }); } return this.results_showing = false; }; Chosen.prototype.set_tab_index = function(el) { var ti; if (this.form_field.tabIndex) { ti = this.form_field.tabIndex; this.form_field.tabIndex = -1; return this.search_field[0].tabIndex = ti; } }; Chosen.prototype.set_label_behavior = function() { var _this = this; this.form_field_label = this.form_field_jq.parents("label"); if (!this.form_field_label.length && this.form_field.id.length) { this.form_field_label = $("label[for='" + this.form_field.id + "']"); } if (this.form_field_label.length > 0) { return this.form_field_label.bind('click.chosen', function(evt) { if (_this.is_multiple) { return _this.container_mousedown(evt); } else { return _this.activate_field(); } }); } }; Chosen.prototype.show_search_field_default = function() { if (this.is_multiple && this.choices_count() < 1 && !this.active_field) { this.search_field.val(this.default_text); return this.search_field.addClass("default"); } else { this.search_field.val(""); return this.search_field.removeClass("default"); } }; Chosen.prototype.search_results_mouseup = function(evt) { var target; target = $(evt.target).hasClass("active-result") ? $(evt.target) : $(evt.target).parents(".active-result").first(); if (target.length) { this.result_highlight = target; this.result_select(evt); return this.search_field.focus(); } }; Chosen.prototype.search_results_mouseover = function(evt) { var target; target = $(evt.target).hasClass("active-result") ? $(evt.target) : $(evt.target).parents(".active-result").first(); if (target) { return this.result_do_highlight(target); } }; Chosen.prototype.search_results_mouseout = function(evt) { if ($(evt.target).hasClass("active-result" || $(evt.target).parents('.active-result').first())) { return this.result_clear_highlight(); } }; Chosen.prototype.choice_build = function(item) { var choice, close_link, _this = this; choice = $('<li />', { "class": "search-choice" }).html("<span>" + (this.choice_label(item)) + "</span>"); if (item.disabled) { choice.addClass('search-choice-disabled'); } else { close_link = $('<a />', { "class": 'search-choice-close', 'data-option-array-index': item.array_index }); close_link.bind('click.chosen', function(evt) { return _this.choice_destroy_link_click(evt); }); choice.append(close_link); } return this.search_container.before(choice); }; Chosen.prototype.choice_destroy_link_click = function(evt) { evt.preventDefault(); evt.stopPropagation(); if (!this.is_disabled) { return this.choice_destroy($(evt.target)); } }; Chosen.prototype.choice_destroy = function(link) { if (this.result_deselect(link[0].getAttribute("data-option-array-index"))) { this.show_search_field_default(); if (this.is_multiple && this.choices_count() > 0 && this.search_field.val().length < 1) { this.results_hide(); } link.parents('li').first().remove(); return this.search_field_scale(); } }; Chosen.prototype.results_reset = function() { this.reset_single_select_options(); this.form_field.options[0].selected = true; this.single_set_selected_text(); this.show_search_field_default(); this.results_reset_cleanup(); this.form_field_jq.trigger("change"); if (this.active_field) { return this.results_hide(); } }; Chosen.prototype.results_reset_cleanup = function() { this.current_selectedIndex = this.form_field.selectedIndex; return this.selected_item.find("abbr").remove(); }; Chosen.prototype.result_select = function(evt) { var high, item; if (this.result_highlight) { high = this.result_highlight; this.result_clear_highlight(); if (this.is_multiple && this.max_selected_options <= this.choices_count()) { this.form_field_jq.trigger("chosen:maxselected", { chosen: this }); return false; } if (this.is_multiple) { high.removeClass("active-result"); } else { this.reset_single_select_options(); } high.addClass("result-selected"); item = this.results_data[high[0].getAttribute("data-option-array-index")]; item.selected = true; this.form_field.options[item.options_index].selected = true; this.selected_option_count = null; if (this.is_multiple) { this.choice_build(item); } else { this.single_set_selected_text(this.choice_label(item)); } if (!((evt.metaKey || evt.ctrlKey) && this.is_multiple)) { this.results_hide(); } this.search_field.val(""); if (this.is_multiple || this.form_field.selectedIndex !== this.current_selectedIndex) { this.form_field_jq.trigger("change", { 'selected': this.form_field.options[item.options_index].value }); } this.current_selectedIndex = this.form_field.selectedIndex; evt.preventDefault(); return this.search_field_scale(); } }; Chosen.prototype.single_set_selected_text = function(text) { if (text == null) { text = this.default_text; } if (text === this.default_text) { this.selected_item.addClass("chosen-default"); } else { this.single_deselect_control_build(); this.selected_item.removeClass("chosen-default"); } return this.selected_item.find("span").html(text); }; Chosen.prototype.result_deselect = function(pos) { var result_data; result_data = this.results_data[pos]; if (!this.form_field.options[result_data.options_index].disabled) { result_data.selected = false; this.form_field.options[result_data.options_index].selected = false; this.selected_option_count = null; this.result_clear_highlight(); if (this.results_showing) { this.winnow_results(); } this.form_field_jq.trigger("change", { deselected: this.form_field.options[result_data.options_index].value }); this.search_field_scale(); return true; } else { return false; } }; Chosen.prototype.single_deselect_control_build = function() { if (!this.allow_single_deselect) { return; } if (!this.selected_item.find("abbr").length) { this.selected_item.find("span").first().after("<abbr class=\"search-choice-close\"></abbr>"); } return this.selected_item.addClass("chosen-single-with-deselect"); }; Chosen.prototype.get_search_text = function() { return $('<div/>').text($.trim(this.search_field.val())).html(); }; Chosen.prototype.winnow_results_set_highlight = function() { var do_high, selected_results; selected_results = !this.is_multiple ? this.search_results.find(".result-selected.active-result") : []; do_high = selected_results.length ? selected_results.first() : this.search_results.find(".active-result").first(); if (do_high != null) { return this.result_do_highlight(do_high); } }; Chosen.prototype.no_results = function(terms) { var no_results_html; no_results_html = $('<li class="no-results">' + this.results_none_found + ' "<span></span>"</li>'); no_results_html.find("span").first().html(terms); this.search_results.append(no_results_html); return this.form_field_jq.trigger("chosen:no_results", { chosen: this }); }; Chosen.prototype.no_results_clear = function() { return this.search_results.find(".no-results").remove(); }; Chosen.prototype.keydown_arrow = function() { var next_sib; if (this.results_showing && this.result_highlight) { next_sib = this.result_highlight.nextAll("li.active-result").first(); if (next_sib) { return this.result_do_highlight(next_sib); } } else { return this.results_show(); } }; Chosen.prototype.keyup_arrow = function() { var prev_sibs; if (!this.results_showing && !this.is_multiple) { return this.results_show(); } else if (this.result_highlight) { prev_sibs = this.result_highlight.prevAll("li.active-result"); if (prev_sibs.length) { return this.result_do_highlight(prev_sibs.first()); } else { if (this.choices_count() > 0) { this.results_hide(); } return this.result_clear_highlight(); } } }; Chosen.prototype.keydown_backstroke = function() { var next_available_destroy; if (this.pending_backstroke) { this.choice_destroy(this.pending_backstroke.find("a").first()); return this.clear_backstroke(); } else { next_available_destroy = this.search_container.siblings("li.search-choice").last(); if (next_available_destroy.length && !next_available_destroy.hasClass("search-choice-disabled")) { this.pending_backstroke = next_available_destroy; if (this.single_backstroke_delete) { return this.keydown_backstroke(); } else { return this.pending_backstroke.addClass("search-choice-focus"); } } } }; Chosen.prototype.clear_backstroke = function() { if (this.pending_backstroke) { this.pending_backstroke.removeClass("search-choice-focus"); } return this.pending_backstroke = null; }; Chosen.prototype.keydown_checker = function(evt) { var stroke, _ref1; stroke = (_ref1 = evt.which) != null ? _ref1 : evt.keyCode; this.search_field_scale(); if (stroke !== 8 && this.pending_backstroke) { this.clear_backstroke(); } switch (stroke) { case 8: this.backstroke_length = this.search_field.val().length; break; case 9: if (this.results_showing && !this.is_multiple) { this.result_select(evt); } this.mouse_on_container = false; break; case 13: if (this.results_showing) { evt.preventDefault(); } break; case 32: if (this.disable_search) { evt.preventDefault(); } break; case 38: evt.preventDefault(); this.keyup_arrow(); break; case 40: evt.preventDefault(); this.keydown_arrow(); break; } }; Chosen.prototype.search_field_scale = function() { var div, f_width, h, style, style_block, styles, w, _i, _len; if (this.is_multiple) { h = 0; w = 0; style_block = "position:absolute; left: -1000px; top: -1000px; display:none;"; styles = ['font-size', 'font-style', 'font-weight', 'font-family', 'line-height', 'text-transform', 'letter-spacing']; for (_i = 0, _len = styles.length; _i < _len; _i++) { style = styles[_i]; style_block += style + ":" + this.search_field.css(style) + ";"; } div = $('<div />', { 'style': style_block }); div.text(this.search_field.val()); $('body').append(div); w = div.width() + 25; div.remove(); f_width = this.container.outerWidth(); if (w > f_width - 10) { w = f_width - 10; } return this.search_field.css({ 'width': w + 'px' }); } }; return Chosen; })(AbstractChosen); }).call(this);