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fastselect.standalone.js
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fastselect.standalone.js
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(function(factory) {
if (typeof define === 'function' && define.amd) {
define(['jquery'], factory);
} else if (typeof module === 'object' && module.exports) {
module.exports = factory(require('jquery'));
} else {
factory(jQuery);
}
}(function($) {
var $document = $(window.document),
instanceNum = 0,
eventStringRE = /\w\b/g,
keyMap = {
13: 'enter',
27: 'escape',
40: 'downArrow',
38: 'upArrow'
};
function Fastsearch(inputElement, options) {
this.init.apply(this, arguments);
}
$.extend(Fastsearch.prototype, {
init: function(inputElement, options) {
options = this.options = $.extend(true, {}, Fastsearch.defaults, options);
this.$input = $(inputElement);
this.$el = options.wrapSelector instanceof $ ? options.wrapSelector : this.$input.closest(options.wrapSelector);
Fastsearch.pickTo(options, this.$el.data(), [
'url', 'onItemSelect', 'noResultsText', 'inputIdName', 'apiInputName'
]);
options.url = options.url || this.$el.attr('action');
this.ens = '.fastsearch' + (++instanceNum);
this.itemSelector = Fastsearch.selectorFromClass(options.itemClass);
this.focusedItemSelector = Fastsearch.selectorFromClass(options.focusedItemClass);
this.events();
},
namespaceEvents: function(events) {
var eventNamespace = this.ens;
return events.replace(eventStringRE, function(match) {
return match + eventNamespace;
});
},
events: function() {
var self = this,
options = this.options;
this.$input.on(this.namespaceEvents('keyup focus click'), function(e) {
keyMap[e.keyCode] !== 'enter' && self.handleTyping();
}).on(this.namespaceEvents('keydown'), function(e) {
keyMap[e.keyCode] === 'enter' && options.preventSubmit && e.preventDefault();
if (self.hasResults && self.resultsOpened) {
switch (keyMap[e.keyCode]) {
case 'downArrow': e.preventDefault(); self.navigateItem('down'); break;
case 'upArrow': e.preventDefault(); self.navigateItem('up'); break;
case 'enter': self.onEnter(e); break;
}
}
});
this.$el.on(this.namespaceEvents('click'), this.itemSelector, function(e) {
e.preventDefault();
self.handleItemSelect($(this));
});
options.mouseEvents && this.$el.on(this.namespaceEvents('mouseleave'), this.itemSelector, function(e) {
$(this).removeClass(options.focusedItemClass);
}).on(this.namespaceEvents('mouseenter'), this.itemSelector, function(e) {
self.$resultItems.removeClass(options.focusedItemClass);
$(this).addClass(options.focusedItemClass);
});
},
handleTyping: function() {
var inputValue = $.trim(this.$input.val()),
self = this;
if (inputValue.length < this.options.minQueryLength) {
this.hideResults();
} else if (inputValue === this.query) {
this.showResults();
} else {
clearTimeout(this.keyupTimeout);
this.keyupTimeout = setTimeout(function() {
self.$el.addClass(self.options.loadingClass);
self.query = inputValue;
self.getResults(function(data) {
self.showResults(self.storeResponse(data).generateResults(data));
});
}, this.options.typeTimeout);
}
},
getResults: function(callback) {
var self = this,
options = this.options,
formValues = this.$el.find('input, textarea, select').serializeArray();
if (options.apiInputName) {
formValues.push({'name': options.apiInputName, 'value': this.$input.val()});
}
$.get(options.url, formValues, function(data) {
callback(options.parseResponse ? options.parseResponse.call(self, data, self) : data);
});
},
storeResponse: function(data) {
this.responseData = data;
this.hasResults = data.length !== 0;
return this;
},
generateResults: function(data) {
var $allResults = $('<div>'),
options = this.options;
if (options.template) {
return $(options.template(data, this));
}
if (data.length === 0) {
$allResults.html(
'<p class="' + options.noResultsClass + '">' +
(typeof options.noResultsText === 'function' ? options.noResultsText.call(this) : options.noResultsText) +
'</p>'
);
} else {
if (this.options.responseType === 'html') {
$allResults.html(data);
} else {
this['generate' + (data[0][options.responseFormat.groupItems] ? 'GroupedResults' : 'SimpleResults')](data, $allResults);
}
}
return $allResults.children();
},
generateSimpleResults: function(data, $cont) {
var self = this;
this.itemModels = data;
$.each(data, function(i, item) {
$cont.append(self.generateItem(item));
});
},
generateGroupedResults: function(data, $cont) {
var self = this,
options = this.options,
format = options.responseFormat;
this.itemModels = [];
$.each(data, function(i, groupData) {
var $group = $('<div class="' + options.groupClass + '">').appendTo($cont);
groupData[format.groupCaption] && $group.append(
'<h3 class="' + options.groupTitleClass + '">' + groupData[format.groupCaption] + '</h3>'
);
$.each(groupData.items, function(i, item) {
self.itemModels.push(item);
$group.append(self.generateItem(item));
});
options.onGroupCreate && options.onGroupCreate.call(self, $group, groupData, self);
});
},
generateItem: function(item) {
var options = this.options,
format = options.responseFormat,
url = item[format.url],
html = item[format.html] || item[format.label],
$tag = $('<' + (url ? 'a' : 'span') + '>').html(html).addClass(options.itemClass);
url && $tag.attr('href', url);
options.onItemCreate && options.onItemCreate.call(this, $tag, item, this);
return $tag;
},
showResults: function($content) {
if (!$content && this.resultsOpened) {
return;
}
this.$el.removeClass(this.options.loadingClass).addClass(this.options.resultsOpenedClass);
if (this.options.flipOnBottom) {
this.checkDropdownPosition();
}
this.$resultsCont = this.$resultsCont || $('<div>').addClass(this.options.resultsContClass).appendTo(this.$el);
if ($content) {
this.$resultsCont.html($content);
this.$resultItems = this.$resultsCont.find(this.itemSelector);
this.options.onResultsCreate && this.options.onResultsCreate.call(this, this.$resultsCont, this.responseData, this);
}
if (!this.resultsOpened) {
this.documentCancelEvents('on');
this.$input.trigger('openingResults');
}
if (this.options.focusFirstItem && this.$resultItems && this.$resultItems.length) {
this.navigateItem('down');
}
this.resultsOpened = true;
},
checkDropdownPosition: function() {
var flipOnBottom = this.options.flipOnBottom;
var offset = typeof flipOnBottom === 'boolean' && flipOnBottom ? 400 : flipOnBottom;
var isFlipped = this.$input.offset().top + offset > $document.height();
this.$el.toggleClass(this.options.resultsFlippedClass, isFlipped);
},
documentCancelEvents: function(setup, onCancel) {
var self = this;
if (setup === 'off' && this.closeEventsSetuped) {
$document.off(this.ens);
this.closeEventsSetuped = false;
return;
} else if (setup === 'on' && !this.closeEventsSetuped) {
$document.on(this.namespaceEvents('click keyup'), function(e) {
if (keyMap[e.keyCode] === 'escape' || (!$(e.target).is(self.$el) && !$.contains(self.$el.get(0), e.target) && $.contains(document.documentElement, e.target))) {
onCancel ? onCancel.call(self) : self.hideResults();
}
});
this.closeEventsSetuped = true;
}
},
navigateItem: function(direction) {
var $currentItem = this.$resultItems.filter(this.focusedItemSelector),
maxPosition = this.$resultItems.length - 1;
if ($currentItem.length === 0) {
this.$resultItems.eq(direction === 'up' ? maxPosition : 0).addClass(this.options.focusedItemClass);
return;
}
var currentPosition = this.$resultItems.index($currentItem),
nextPosition = direction === 'up' ? currentPosition - 1 : currentPosition + 1;
nextPosition > maxPosition && (nextPosition = 0);
nextPosition < 0 && (nextPosition = maxPosition);
$currentItem.removeClass(this.options.focusedItemClass);
this.$resultItems.eq(nextPosition).addClass(this.options.focusedItemClass);
},
navigateDown: function() {
this.navigateItem('down');
},
navigateUp: function() {
this.navigateItem('up');
},
onEnter: function(e) {
var $currentItem = this.$resultItems.filter(this.focusedItemSelector);
if ($currentItem.length) {
e.preventDefault();
this.handleItemSelect($currentItem);
}
},
handleItemSelect: function($item) {
var selectOption = this.options.onItemSelect,
model = this.itemModels.length ? this.itemModels[this.$resultItems.index($item)] : {};
this.$input.trigger('itemSelected');
if (selectOption === 'fillInput') {
this.fillInput(model);
} else if (selectOption === 'follow') {
window.location.href = $item.attr('href');
} else if (typeof selectOption === 'function') {
selectOption.call(this, $item, model, this);
}
},
fillInput: function(model) {
var options = this.options,
format = options.responseFormat;
this.query = model[format.label];
this.$input.val(model[format.label]).trigger('change');
if (options.fillInputId && model.id) {
if (!this.$inputId) {
var inputIdName = options.inputIdName || this.$input.attr('name') + '_id';
this.$inputId = this.$el.find('input[name="' + inputIdName + '"]');
if (!this.$inputId.length) {
this.$inputId = $('<input type="hidden" name="' + inputIdName + '" />').appendTo(this.$el);
}
}
this.$inputId.val(model.id).trigger('change');
}
this.hideResults();
},
hideResults: function() {
if (this.resultsOpened) {
this.resultsOpened = false;
this.$el.removeClass(this.options.resultsOpenedClass);
this.$input.trigger('closingResults');
this.documentCancelEvents('off');
}
return this;
},
clear: function() {
this.hideResults();
this.$input.val('').trigger('change');
return this;
},
destroy: function() {
$document.off(this.ens);
this.$input.off(this.ens);
this.$el.off(this.ens)
.removeClass(this.options.resultsOpenedClass)
.removeClass(this.options.loadingClass);
if (this.$resultsCont) {
this.$resultsCont.remove();
delete this.$resultsCont;
}
delete this.$el.data().fastsearch;
}
});
$.extend(Fastsearch, {
pickTo: function(dest, src, keys) {
$.each(keys, function(i, key) {
dest[key] = (src && src[key]) || dest[key];
});
return dest;
},
selectorFromClass: function(classes) {
return '.' + classes.replace(/\s/g, '.');
}
});
Fastsearch.defaults = {
wrapSelector: 'form', // fastsearch container defaults to closest form. Provide selector for something other
url: null, // plugin will get data from data-url propery, url option or container action attribute
responseType: 'JSON', // default expected server response type - can be set to html if that is what server returns
preventSubmit: false, // prevent submit of form with enter keypress
resultsContClass: 'fs_results', // html classes
resultsOpenedClass: 'fsr_opened',
resultsFlippedClass: 'fsr_flipped',
groupClass: 'fs_group',
itemClass: 'fs_result_item',
groupTitleClass: 'fs_group_title',
loadingClass: 'loading',
noResultsClass: 'fs_no_results',
focusedItemClass: 'focused',
typeTimeout: 140, // try not to hammer server with request for each keystroke if possible
minQueryLength: 2, // minimal number of characters needed for plugin to send request to server
template: null, // provide your template function if you need one - function(data, fastsearchApi)
mouseEvents: !('ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0), // detect if client is touch enabled so plugin can decide if mouse specific events should be set.
focusFirstItem: false,
flipOnBottom: false,
responseFormat: { // Adjust where plugin looks for data in your JSON server response
url: 'url',
html: 'html',
label: 'label',
groupCaption: 'caption',
groupItems: 'items'
},
fillInputId: true, // on item select plugin will try to write selected id from item data model to input
inputIdName: null, // on item select plugin will try to write selected id from item data model to input with this name
apiInputName: null, // by default plugin will post input name as query parameter - you can provide custom one here
noResultsText: 'No results found',
onItemSelect: 'follow', // by default plugin follows selected link - other options available are "fillInput" and custom callback - function($item, model, fastsearchApi)
parseResponse: null, // parse server response with your handler and return processed data - function(response, fastsearchApi)
onResultsCreate: null, // adjust results element - function($allResults, data, fastsearchApi)
onGroupCreate: null, // adjust group element when created - function($group, groupModel, fastsearchApi)
onItemCreate: null // adjust item element when created - function($item, model, fastsearchApi)
};
$.fastsearch = Fastsearch;
$.fn.fastsearch = function(options) {
return this.each(function() {
if (!$.data(this, 'fastsearch')) {
$.data(this, 'fastsearch', new Fastsearch(this, options));
}
});
};
return $;
}));
(function(root, factory) {
if (typeof define === 'function' && define.amd) {
define(['jquery', 'fastsearch'], factory);
} else if (typeof module === 'object' && module.exports) {
module.exports = factory(require('jquery'), require('fastsearch'));
} else {
factory(root.jQuery);
}
}(this, function($) {
var $document = $(document),
instanceNum = 0,
Fastsearch = $.fastsearch,
pickTo = Fastsearch.pickTo,
selectorFromClass = Fastsearch.selectorFromClass;
function Fastselect(inputElement, options) {
this.init.apply(this, arguments);
}
$.extend(Fastselect.prototype, {
init: function(inputElement, options) {
this.$input = $(inputElement);
this.options = pickTo($.extend(true, {}, Fastselect.defaults, options, {
placeholder: this.$input.attr('placeholder')
}), this.$input.data(), [
'url', 'loadOnce', 'apiParam', 'initialValue', 'userOptionAllowed'
]);
this.ens = '.fastselect' + (++instanceNum);
this.hasCustomLoader = this.$input.is('input');
this.isMultiple = !!this.$input.attr('multiple');
this.userOptionAllowed = this.hasCustomLoader && this.isMultiple && this.options.userOptionAllowed;
this.optionsCollection = new OptionsCollection(pickTo({multipleValues: this.isMultiple}, this.options, [
'url', 'loadOnce', 'parseData', 'matcher'
]));
this.setupDomElements();
this.setupFastsearch();
this.setupEvents();
},
setupDomElements: function() {
this.$el = $('<div>').addClass(this.options.elementClass);
this[this.isMultiple ? 'setupMultipleElement' : 'setupSingleElement'](function() {
this.updateDomElements();
this.$controls.appendTo(this.$el);
this.$el.insertAfter(this.$input);
this.$input.detach().appendTo(this.$el);
});
},
setupSingleElement: function(onDone) {
var initialOptions = this.processInitialOptions(),
toggleBtnText = initialOptions && initialOptions.length ? initialOptions[0].text : this.options.placeholder;
this.$el.addClass(this.options.singleModeClass);
this.$controls = $('<div>').addClass(this.options.controlsClass);
this.$toggleBtn = $('<div>').addClass(this.options.toggleButtonClass).text(toggleBtnText).appendTo(this.$el);
this.$queryInput = $('<input>').attr('placeholder', this.options.searchPlaceholder).addClass(this.options.queryInputClass).appendTo(this.$controls);
onDone.call(this);
},
setupMultipleElement: function(onDone) {
var self = this,
options = self.options,
initialOptions = this.processInitialOptions();
this.$el.addClass(options.multipleModeClass);
this.$controls = $('<div>').addClass(options.controlsClass);
this.$queryInput = $('<input>').addClass(options.queryInputClass).appendTo(this.$controls);
initialOptions && $.each(initialOptions, function(i, option) {
self.addChoiceItem(option);
});
onDone.call(this);
},
updateDomElements: function() {
this.$el.toggleClass(this.options.noneSelectedClass, !this.optionsCollection.hasSelectedValues());
this.adjustQueryInputLayout();
},
processInitialOptions: function() {
var self = this, options;
if (this.hasCustomLoader) {
options = this.options.initialValue;
$.isPlainObject(options) && (options = [options]);
} else {
options = $.map(this.$input.find('option:selected').get(), function(option) {
var $option = $(option);
return {
text: $option.text(),
value: $option.attr('value')
};
});
}
options && $.each(options, function(i, option) {
self.optionsCollection.setSelected(option);
});
return options;
},
addChoiceItem: function(optionModel) {
$(
'<div data-text="' + optionModel.text + '" data-value="' + optionModel.value + '" class="' + this.options.choiceItemClass + '">' +
$('<div>').html(optionModel.text).text() +
'<button class="' + this.options.choiceRemoveClass + '" type="button">×</button>' +
'</div>'
).insertBefore(this.$queryInput);
},
setupFastsearch: function() {
var self = this,
options = this.options,
fastSearchParams = {};
pickTo(fastSearchParams, options, [
'resultsContClass', 'resultsOpenedClass', 'resultsFlippedClass', 'groupClass', 'itemClass', 'focusFirstItem',
'groupTitleClass', 'loadingClass', 'noResultsClass', 'noResultsText', 'focusedItemClass', 'flipOnBottom'
]);
this.fastsearch = new Fastsearch(this.$queryInput.get(0), $.extend(fastSearchParams, {
wrapSelector: this.isMultiple ? this.$el : this.$controls,
minQueryLength: 0,
typeTimeout: this.hasCustomLoader ? options.typeTimeout : 0,
preventSubmit: true,
fillInputId: false,
responseFormat: {
label: 'text',
groupCaption: 'label'
},
onItemSelect: function($item, model, fastsearch) {
var maxItems = options.maxItems;
if (self.isMultiple && maxItems && (self.optionsCollection.getValues().length > (maxItems - 1))) {
options.onMaxItemsReached && options.onMaxItemsReached(this);
} else {
self.setSelectedOption(model);
self.writeToInput();
!self.isMultiple && self.hide();
options.clearQueryOnSelect && fastsearch.clear();
if (self.userOptionAllowed && model.isUserOption) {
fastsearch.$resultsCont.remove();
delete fastsearch.$resultsCont;
self.hide();
}
options.onItemSelect && options.onItemSelect.call(self, $item, model, self, fastsearch);
}
},
onItemCreate: function($item, model) {
model.$item = $item;
model.selected && $item.addClass(options.itemSelectedClass);
if (self.userOptionAllowed && model.isUserOption) {
$item.text(self.options.userOptionPrefix + $item.text()).addClass(self.options.userOptionClass);
}
options.onItemCreate && options.onItemCreate.call(self, $item, model, self);
}
}));
this.fastsearch.getResults = function() {
if (self.userOptionAllowed && self.$queryInput.val().length > 1) {
self.renderOptions();
}
self.getOptions(function() {
self.renderOptions(true);
});
};
},
getOptions: function(onDone) {
var options = this.options,
self = this,
params = {};
if (this.hasCustomLoader) {
var query = $.trim(this.$queryInput.val());
if (query && options.apiParam) {
params[options.apiParam] = query;
}
this.optionsCollection.fetch(params, onDone);
} else {
!this.optionsCollection.models && this.optionsCollection.reset(this.gleanSelectData(this.$input));
onDone();
}
},
namespaceEvents: function(events) {
return Fastsearch.prototype.namespaceEvents.call(this, events);
},
setupEvents: function() {
var self = this,
options = this.options;
if (this.isMultiple) {
this.$el.on(this.namespaceEvents('click'), function(e) {
$(e.target).is(selectorFromClass(options.controlsClass)) && self.$queryInput.focus();
});
this.$queryInput.on(this.namespaceEvents('keyup'), function(e) {
// if (self.$queryInput.val().length === 0 && e.keyCode === 8) {
// console.log('TODO implement delete');
// }
self.adjustQueryInputLayout();
self.show();
}).on(this.namespaceEvents('focus'), function() {
self.show();
});
this.$el.on(this.namespaceEvents('click'), selectorFromClass(options.choiceRemoveClass), function(e) {
var $choice = $(e.currentTarget).closest(selectorFromClass(options.choiceItemClass));
self.removeSelectedOption({
value: $choice.attr('data-value'),
text: $choice.attr('data-text')
}, $choice);
});
} else {
this.$el.on(this.namespaceEvents('click'), selectorFromClass(options.toggleButtonClass), function() {
self.$el.hasClass(options.activeClass) ? self.hide() : self.show(true);
});
}
},
adjustQueryInputLayout: function() {
if (this.isMultiple && this.$queryInput) {
var noneSelected = this.$el.hasClass(this.options.noneSelectedClass);
this.$queryInput.toggleClass(this.options.queryInputExpandedClass, noneSelected);
if (noneSelected) {
this.$queryInput.attr({
style: '',
placeholder: this.options.placeholder
});
} else {
this.$fakeInput = this.$fakeInput || $('<span>').addClass(this.options.fakeInputClass);
this.$fakeInput.text(this.$queryInput.val().replace(/\s/g, ' '));
this.$queryInput.removeAttr('placeholder').css('width', this.$fakeInput.insertAfter(this.$queryInput).width() + 20);
this.$fakeInput.detach();
}
}
},
show: function(focus) {
this.$el.addClass(this.options.activeClass);
focus ? this.$queryInput.focus() : this.fastsearch.handleTyping();
this.documentCancelEvents('on');
},
hide: function() {
this.$el.removeClass(this.options.activeClass);
this.documentCancelEvents('off');
},
documentCancelEvents: function(setup) {
Fastsearch.prototype.documentCancelEvents.call(this, setup, this.hide);
},
setSelectedOption: function(option) {
if (this.optionsCollection.isSelected(option.value)) {
return;
}
this.optionsCollection.setSelected(option);
var selectedModel = this.optionsCollection.findWhere(function(model) {
return model.value === option.value;
});
if (this.isMultiple) {
this.$controls && this.addChoiceItem(option);
} else {
this.fastsearch && this.fastsearch.$resultItems.removeClass(this.options.itemSelectedClass);
this.$toggleBtn && this.$toggleBtn.text(option.text);
}
selectedModel && selectedModel.$item.addClass(this.options.itemSelectedClass);
this.updateDomElements();
},
removeSelectedOption: function(option, $choiceItem) {
var removedModel = this.optionsCollection.removeSelected(option);
if (removedModel && removedModel.$item) {
removedModel.$item.removeClass(this.options.itemSelectedClass);
}
if ($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) {