debian-mirror-gitlab/app/assets/javascripts/gl_dropdown.js
2019-09-04 21:01:54 +05:30

1106 lines
33 KiB
JavaScript

/* eslint-disable func-names, no-underscore-dangle, no-var, one-var, vars-on-top, no-unused-vars, no-shadow, no-cond-assign, prefer-arrow-callback, no-return-assign, no-else-return, camelcase, no-lonely-if, guard-for-in, no-restricted-syntax, consistent-return, prefer-template, no-param-reassign, no-loop-func */
/* global fuzzaldrinPlus */
import $ from 'jquery';
import _ from 'underscore';
import fuzzaldrinPlus from 'fuzzaldrin-plus';
import axios from './lib/utils/axios_utils';
import { visitUrl } from './lib/utils/url_utility';
import { isObject } from './lib/utils/type_utility';
var GitLabDropdown, GitLabDropdownFilter, GitLabDropdownRemote, GitLabDropdownInput;
GitLabDropdownInput = (function() {
function GitLabDropdownInput(input, options) {
var $inputContainer, $clearButton;
var _this = this;
this.input = input;
this.options = options;
this.fieldName = this.options.fieldName || 'field-name';
$inputContainer = this.input.parent();
$clearButton = $inputContainer.find('.js-dropdown-input-clear');
$clearButton.on(
'click',
(function(_this) {
// Clear click
return function(e) {
e.preventDefault();
e.stopPropagation();
return _this.input
.val('')
.trigger('input')
.focus();
};
})(this),
);
this.input
.on('keydown', function(e) {
var keyCode = e.which;
if (keyCode === 13 && !options.elIsInput) {
e.preventDefault();
}
})
.on('input', function(e) {
var val = e.currentTarget.value || _this.options.inputFieldName;
val = val
.split(' ')
.join('-') // replaces space with dash
.replace(/[^a-zA-Z0-9 -]/g, '')
.toLowerCase() // replace non alphanumeric
.replace(/(-)\1+/g, '-'); // replace repeated dashes
_this.cb(_this.options.fieldName, val, {}, true);
_this.input
.closest('.dropdown')
.find('.dropdown-toggle-text')
.text(val);
});
}
GitLabDropdownInput.prototype.onInput = function(cb) {
this.cb = cb;
};
return GitLabDropdownInput;
})();
GitLabDropdownFilter = (function() {
var ARROW_KEY_CODES, BLUR_KEYCODES, HAS_VALUE_CLASS;
BLUR_KEYCODES = [27, 40];
ARROW_KEY_CODES = [38, 40];
HAS_VALUE_CLASS = 'has-value';
function GitLabDropdownFilter(input, options) {
var $clearButton, $inputContainer, ref, timeout;
this.input = input;
this.options = options;
this.filterInputBlur = (ref = this.options.filterInputBlur) != null ? ref : true;
$inputContainer = this.input.parent();
$clearButton = $inputContainer.find('.js-dropdown-input-clear');
$clearButton.on(
'click',
(function(_this) {
// Clear click
return function(e) {
e.preventDefault();
e.stopPropagation();
return _this.input
.val('')
.trigger('input')
.focus();
};
})(this),
);
// Key events
timeout = '';
this.input
.on('keydown', function(e) {
var keyCode = e.which;
if (keyCode === 13 && !options.elIsInput) {
e.preventDefault();
}
})
.on(
'input',
function() {
if (this.input.val() !== '' && !$inputContainer.hasClass(HAS_VALUE_CLASS)) {
$inputContainer.addClass(HAS_VALUE_CLASS);
} else if (this.input.val() === '' && $inputContainer.hasClass(HAS_VALUE_CLASS)) {
$inputContainer.removeClass(HAS_VALUE_CLASS);
}
// Only filter asynchronously only if option remote is set
if (this.options.remote) {
clearTimeout(timeout);
return (timeout = setTimeout(
function() {
$inputContainer.parent().addClass('is-loading');
return this.options.query(
this.input.val(),
function(data) {
$inputContainer.parent().removeClass('is-loading');
return this.options.callback(data);
}.bind(this),
);
}.bind(this),
250,
));
} else {
return this.filter(this.input.val());
}
}.bind(this),
);
}
GitLabDropdownFilter.prototype.shouldBlur = function(keyCode) {
return BLUR_KEYCODES.indexOf(keyCode) !== -1;
};
GitLabDropdownFilter.prototype.filter = function(search_text) {
var data, elements, group, key, results, tmp;
if (this.options.onFilter) {
this.options.onFilter(search_text);
}
data = this.options.data();
if (data != null && !this.options.filterByText) {
results = data;
if (search_text !== '') {
// When data is an array of objects therefore [object Array] e.g.
// [
// { prop: 'foo' },
// { prop: 'baz' }
// ]
if (_.isArray(data)) {
results = fuzzaldrinPlus.filter(data, search_text, {
key: this.options.keys,
});
} else {
// If data is grouped therefore an [object Object]. e.g.
// {
// groupName1: [
// { prop: 'foo' },
// { prop: 'baz' }
// ],
// groupName2: [
// { prop: 'abc' },
// { prop: 'def' }
// ]
// }
if (isObject(data)) {
results = {};
for (key in data) {
group = data[key];
tmp = fuzzaldrinPlus.filter(group, search_text, {
key: this.options.keys,
});
if (tmp.length) {
results[key] = tmp.map(function(item) {
return item;
});
}
}
}
}
}
return this.options.callback(results);
} else {
elements = this.options.elements();
if (search_text) {
elements.each(function() {
var $el, matches;
$el = $(this);
matches = fuzzaldrinPlus.match($el.text().trim(), search_text);
if (!$el.is('.dropdown-header')) {
if (matches.length) {
return $el.show().removeClass('option-hidden');
} else {
return $el.hide().addClass('option-hidden');
}
}
});
} else {
elements.show().removeClass('option-hidden');
}
elements
.parent()
.find('.dropdown-menu-empty-item')
.toggleClass('hidden', elements.is(':visible'));
}
};
return GitLabDropdownFilter;
})();
GitLabDropdownRemote = (function() {
function GitLabDropdownRemote(dataEndpoint, options) {
this.dataEndpoint = dataEndpoint;
this.options = options;
}
GitLabDropdownRemote.prototype.execute = function() {
if (typeof this.dataEndpoint === 'string') {
return this.fetchData();
} else if (typeof this.dataEndpoint === 'function') {
if (this.options.beforeSend) {
this.options.beforeSend();
}
return this.dataEndpoint(
'',
(function(_this) {
// Fetch the data by calling the data funcfion
return function(data) {
if (_this.options.success) {
_this.options.success(data);
}
if (_this.options.beforeSend) {
return _this.options.beforeSend();
}
};
})(this),
);
}
};
GitLabDropdownRemote.prototype.fetchData = function() {
if (this.options.beforeSend) {
this.options.beforeSend();
}
// Fetch the data through ajax if the data is a string
return axios.get(this.dataEndpoint).then(({ data }) => {
if (this.options.success) {
return this.options.success(data);
}
});
};
return GitLabDropdownRemote;
})();
GitLabDropdown = (function() {
var ACTIVE_CLASS,
FILTER_INPUT,
NO_FILTER_INPUT,
INDETERMINATE_CLASS,
LOADING_CLASS,
PAGE_TWO_CLASS,
NON_SELECTABLE_CLASSES,
SELECTABLE_CLASSES,
CURSOR_SELECT_SCROLL_PADDING,
currentIndex;
LOADING_CLASS = 'is-loading';
PAGE_TWO_CLASS = 'is-page-two';
ACTIVE_CLASS = 'is-active';
INDETERMINATE_CLASS = 'is-indeterminate';
currentIndex = -1;
NON_SELECTABLE_CLASSES = '.divider, .separator, .dropdown-header, .dropdown-menu-empty-item';
SELECTABLE_CLASSES = '.dropdown-content li:not(' + NON_SELECTABLE_CLASSES + ', .option-hidden)';
CURSOR_SELECT_SCROLL_PADDING = 5;
FILTER_INPUT = '.dropdown-input .dropdown-input-field:not(.dropdown-no-filter)';
NO_FILTER_INPUT = '.dropdown-input .dropdown-input-field.dropdown-no-filter';
function GitLabDropdown(el1, options) {
var searchFields, selector, self;
this.el = el1;
this.options = options;
this.updateLabel = this.updateLabel.bind(this);
this.hidden = this.hidden.bind(this);
this.opened = this.opened.bind(this);
this.shouldPropagate = this.shouldPropagate.bind(this);
self = this;
selector = $(this.el).data('target');
this.dropdown = selector != null ? $(selector) : $(this.el).parent();
// Set Defaults
this.filterInput = this.options.filterInput || this.getElement(FILTER_INPUT);
this.noFilterInput = this.options.noFilterInput || this.getElement(NO_FILTER_INPUT);
this.highlight = Boolean(this.options.highlight);
this.icon = Boolean(this.options.icon);
this.filterInputBlur =
this.options.filterInputBlur != null ? this.options.filterInputBlur : true;
// If no input is passed create a default one
self = this;
// If selector was passed
if (_.isString(this.filterInput)) {
this.filterInput = this.getElement(this.filterInput);
}
searchFields = this.options.search ? this.options.search.fields : [];
if (this.options.data) {
// If we provided data
// data could be an array of objects or a group of arrays
if (_.isObject(this.options.data) && !_.isFunction(this.options.data)) {
this.fullData = this.options.data;
currentIndex = -1;
this.parseData(this.options.data);
this.focusTextInput();
} else {
this.remote = new GitLabDropdownRemote(this.options.data, {
dataType: this.options.dataType,
beforeSend: this.toggleLoading.bind(this),
success: (function(_this) {
return function(data) {
_this.fullData = data;
_this.parseData(_this.fullData);
_this.focusTextInput();
// Update dropdown position since remote data may have changed dropdown size
_this.dropdown.find('.dropdown-menu-toggle').dropdown('update');
if (
_this.options.filterable &&
_this.filter &&
_this.filter.input &&
_this.filter.input.val() &&
_this.filter.input.val().trim() !== ''
) {
return _this.filter.input.trigger('input');
}
};
// Remote data
})(this),
instance: this,
});
}
}
if (this.noFilterInput.length) {
this.plainInput = new GitLabDropdownInput(this.noFilterInput, this.options);
this.plainInput.onInput(this.addInput.bind(this));
}
// Init filterable
if (this.options.filterable) {
this.filter = new GitLabDropdownFilter(this.filterInput, {
elIsInput: $(this.el).is('input'),
filterInputBlur: this.filterInputBlur,
filterByText: this.options.filterByText,
onFilter: this.options.onFilter,
remote: this.options.filterRemote,
query: this.options.data,
keys: searchFields,
instance: this,
elements: (function(_this) {
return function() {
selector = '.dropdown-content li:not(' + NON_SELECTABLE_CLASSES + ')';
if (_this.dropdown.find('.dropdown-toggle-page').length) {
selector = '.dropdown-page-one ' + selector;
}
return $(selector, this.instance.dropdown);
};
})(this),
data: (function(_this) {
return function() {
return _this.fullData;
};
})(this),
callback: (function(_this) {
return function(data) {
_this.parseData(data);
if (_this.filterInput.val() !== '') {
selector = SELECTABLE_CLASSES;
if (_this.dropdown.find('.dropdown-toggle-page').length) {
selector = '.dropdown-page-one ' + selector;
}
if ($(_this.el).is('input')) {
currentIndex = -1;
} else {
$(selector, _this.dropdown)
.first()
.find('a')
.addClass('is-focused');
currentIndex = 0;
}
}
};
})(this),
});
}
// Event listeners
this.dropdown.on('shown.bs.dropdown', this.opened);
this.dropdown.on('hidden.bs.dropdown', this.hidden);
$(this.el).on('update.label', this.updateLabel);
this.dropdown.on('click', '.dropdown-menu, .dropdown-menu-close', this.shouldPropagate);
this.dropdown.on(
'keyup',
(function(_this) {
return function(e) {
// Escape key
if (e.which === 27) {
return $('.dropdown-menu-close', _this.dropdown).trigger('click');
}
};
})(this),
);
this.dropdown.on(
'blur',
'a',
(function(_this) {
return function(e) {
var $dropdownMenu, $relatedTarget;
if (e.relatedTarget != null) {
$relatedTarget = $(e.relatedTarget);
$dropdownMenu = $relatedTarget.closest('.dropdown-menu');
if ($dropdownMenu.length === 0) {
return _this.dropdown.removeClass('show');
}
}
};
})(this),
);
if (this.dropdown.find('.dropdown-toggle-page').length) {
this.dropdown.find('.dropdown-toggle-page, .dropdown-menu-back').on(
'click',
(function(_this) {
return function(e) {
e.preventDefault();
e.stopPropagation();
return _this.togglePage();
};
})(this),
);
}
if (this.options.selectable) {
selector = '.dropdown-content a';
if (this.dropdown.find('.dropdown-toggle-page').length) {
selector = '.dropdown-page-one .dropdown-content a';
}
this.dropdown.on(
'click',
selector,
function(e) {
var $el, selected, selectedObj, isMarking;
$el = $(e.currentTarget);
selected = self.rowClicked($el);
selectedObj = selected ? selected[0] : null;
isMarking = selected ? selected[1] : null;
if (this.options.clicked) {
this.options.clicked.call(this, {
selectedObj,
$el,
e,
isMarking,
});
}
// Update label right after all modifications in dropdown has been done
if (this.options.toggleLabel) {
this.updateLabel(selectedObj, $el, this);
}
$el.trigger('blur');
}.bind(this),
);
}
}
// Finds an element inside wrapper element
GitLabDropdown.prototype.getElement = function(selector) {
return this.dropdown.find(selector);
};
GitLabDropdown.prototype.toggleLoading = function() {
return $('.dropdown-menu', this.dropdown).toggleClass(LOADING_CLASS);
};
GitLabDropdown.prototype.togglePage = function() {
var menu;
menu = $('.dropdown-menu', this.dropdown);
if (menu.hasClass(PAGE_TWO_CLASS)) {
if (this.remote) {
this.remote.execute();
}
}
menu.toggleClass(PAGE_TWO_CLASS);
// Focus first visible input on active page
return this.dropdown.find('[class^="dropdown-page-"]:visible :text:visible:first').focus();
};
GitLabDropdown.prototype.parseData = function(data) {
var full_html, groupData, html, name;
this.renderedData = data;
if (this.options.filterable && data.length === 0) {
// render no matching results
html = [this.noResults()];
} else {
// Handle array groups
if (isObject(data)) {
html = [];
for (name in data) {
groupData = data[name];
html.push(
this.renderItem(
{
header: name,
// Add header for each group
},
name,
),
);
this.renderData(groupData, name).map(function(item) {
return html.push(item);
});
}
} else {
// Render each row
html = this.renderData(data);
}
}
// Render the full menu
full_html = this.renderMenu(html);
return this.appendMenu(full_html);
};
GitLabDropdown.prototype.renderData = function(data, group) {
if (group == null) {
group = false;
}
return data.map(
(function(_this) {
return function(obj, index) {
return _this.renderItem(obj, group, index);
};
})(this),
);
};
GitLabDropdown.prototype.shouldPropagate = function(e) {
var $target;
if (this.options.multiSelect || this.options.shouldPropagate === false) {
$target = $(e.target);
if (
$target &&
!$target.hasClass('dropdown-menu-close') &&
!$target.hasClass('dropdown-menu-close-icon') &&
!$target.data('isLink')
) {
e.stopPropagation();
// This prevents automatic scrolling to the top
if ($target.closest('a').length) {
return false;
}
}
return true;
}
};
GitLabDropdown.prototype.filteredFullData = function() {
return this.fullData.filter(
r =>
typeof r === 'object' &&
!Object.prototype.hasOwnProperty.call(r, 'beforeDivider') &&
!Object.prototype.hasOwnProperty.call(r, 'header'),
);
};
GitLabDropdown.prototype.opened = function(e) {
var contentHtml;
this.resetRows();
this.addArrowKeyEvent();
const dropdownToggle = this.dropdown.find('.dropdown-menu-toggle');
const hasFilterBulkUpdate = dropdownToggle.hasClass('js-filter-bulk-update');
const shouldRefreshOnOpen = dropdownToggle.hasClass('js-gl-dropdown-refresh-on-open');
const hasMultiSelect = dropdownToggle.hasClass('js-multiselect');
// Makes indeterminate items effective
if (this.fullData && (shouldRefreshOnOpen || hasFilterBulkUpdate)) {
this.parseData(this.fullData);
}
// Process the data to make sure rendered data
// matches the correct layout
const inputValue = this.filterInput.val();
if (this.fullData && hasMultiSelect && this.options.processData && inputValue.length === 0) {
this.options.processData.call(
this.options,
inputValue,
this.filteredFullData(),
this.parseData.bind(this),
);
}
contentHtml = $('.dropdown-content', this.dropdown).html();
if (this.remote && contentHtml === '') {
this.remote.execute();
} else {
this.focusTextInput();
}
if (this.options.showMenuAbove) {
this.positionMenuAbove();
}
if (this.options.opened) {
if (this.options.preserveContext) {
this.options.opened(e);
} else {
this.options.opened.call(this, e);
}
}
return this.dropdown.trigger('shown.gl.dropdown');
};
GitLabDropdown.prototype.positionMenuAbove = function() {
var $menu = this.dropdown.find('.dropdown-menu');
$menu.addClass('dropdown-open-top');
$menu.css('top', 'initial');
$menu.css('bottom', '100%');
};
GitLabDropdown.prototype.hidden = function(e) {
var $input;
this.resetRows();
this.removeArrayKeyEvent();
$input = this.dropdown.find('.dropdown-input-field');
if (this.options.filterable) {
$input.blur();
}
if (this.dropdown.find('.dropdown-toggle-page').length) {
$('.dropdown-menu', this.dropdown).removeClass(PAGE_TWO_CLASS);
}
if (this.options.hidden) {
this.options.hidden.call(this, e);
}
return this.dropdown.trigger('hidden.gl.dropdown');
};
// Render the full menu
GitLabDropdown.prototype.renderMenu = function(html) {
if (this.options.renderMenu) {
return this.options.renderMenu(html);
} else {
return $('<ul>').append(html);
}
};
// Append the menu into the dropdown
GitLabDropdown.prototype.appendMenu = function(html) {
return this.clearMenu().append(html);
};
GitLabDropdown.prototype.clearMenu = function() {
var selector;
selector = '.dropdown-content';
if (this.dropdown.find('.dropdown-toggle-page').length) {
if (this.options.containerSelector) {
selector = this.options.containerSelector;
} else {
selector = '.dropdown-page-one .dropdown-content';
}
}
return $(selector, this.dropdown).empty();
};
GitLabDropdown.prototype.renderItem = function(data, group, index) {
var field, html, selected, text, url, value, rowHidden;
if (!this.options.renderRow) {
value = this.options.id ? this.options.id(data) : data.id;
if (value) {
value = value.toString().replace(/'/g, "\\'");
}
}
// Hide element
if (this.options.hideRow && this.options.hideRow(value)) {
rowHidden = true;
}
if (group == null) {
group = false;
}
if (index == null) {
// Render the row
index = false;
}
html = document.createElement('li');
if (rowHidden) {
html.style.display = 'none';
}
if (data === 'divider' || data === 'separator') {
html.className = data;
return html;
}
// Header
if (data.header != null) {
html.className = 'dropdown-header';
html.innerHTML = data.header;
return html;
}
if (this.options.renderRow) {
// Call the render function
html = this.options.renderRow.call(this.options, data, this);
} else {
if (!selected) {
const { fieldName } = this.options;
if (value) {
field = this.dropdown.parent().find(`input[name='${fieldName}'][value='${value}']`);
if (field.length) {
selected = true;
}
} else {
field = this.dropdown.parent().find(`input[name='${fieldName}']`);
selected = !field.length;
}
}
// Set URL
if (this.options.url != null) {
url = this.options.url(data);
} else {
url = data.url != null ? data.url : '#';
}
// Set Text
if (this.options.text != null) {
text = this.options.text(data);
} else {
text = data.text != null ? data.text : '';
}
if (this.highlight) {
text = data.template
? this.highlightTemplate(text, data.template)
: this.highlightTextMatches(text, this.filterInput.val());
}
// Create the list item & the link
var link = document.createElement('a');
link.href = url;
if (this.icon) {
text = `<span>${text}</span>`;
link.classList.add('d-flex', 'align-items-center');
link.innerHTML = data.icon ? data.icon + text : text;
} else if (this.highlight) {
link.innerHTML = text;
} else {
link.textContent = text;
}
if (selected) {
link.classList.add('is-active');
}
if (group) {
link.dataset.group = group;
link.dataset.index = index;
}
html.appendChild(link);
}
return html;
};
GitLabDropdown.prototype.highlightTemplate = function(text, template) {
return `"<b>${_.escape(text)}</b>" ${template}`;
};
GitLabDropdown.prototype.highlightTextMatches = function(text, term) {
const occurrences = fuzzaldrinPlus.match(text, term);
const { indexOf } = [];
return text
.split('')
.map(function(character, i) {
if (indexOf.call(occurrences, i) !== -1) {
return '<b>' + character + '</b>';
} else {
return character;
}
})
.join('');
};
GitLabDropdown.prototype.noResults = function() {
var html;
return '<li class="dropdown-menu-empty-item"><a>No matching results</a></li>';
};
GitLabDropdown.prototype.rowClicked = function(el) {
var field, groupName, isInput, selectedIndex, selectedObject, value, isMarking;
const { fieldName } = this.options;
isInput = $(this.el).is('input');
if (this.renderedData) {
groupName = el.data('group');
if (groupName) {
selectedIndex = el.data('index');
selectedObject = this.renderedData[groupName][selectedIndex];
} else {
selectedIndex = el.closest('li').index();
selectedObject = this.renderedData[selectedIndex];
}
}
if (this.options.vue) {
if (el.hasClass(ACTIVE_CLASS)) {
el.removeClass(ACTIVE_CLASS);
} else {
el.addClass(ACTIVE_CLASS);
}
return [selectedObject];
}
field = [];
value = this.options.id ? this.options.id(selectedObject, el) : selectedObject.id;
if (isInput) {
field = $(this.el);
} else if (value != null) {
field = this.dropdown
.parent()
.find(
"input[name='" + fieldName + "'][value='" + value.toString().replace(/'/g, "\\'") + "']",
);
}
if (this.options.isSelectable && !this.options.isSelectable(selectedObject, el)) {
return [selectedObject];
}
if (el.hasClass(ACTIVE_CLASS) && value !== 0) {
isMarking = false;
el.removeClass(ACTIVE_CLASS);
if (field && field.length) {
this.clearField(field, isInput);
}
} else if (el.hasClass(INDETERMINATE_CLASS)) {
isMarking = true;
el.addClass(ACTIVE_CLASS);
el.removeClass(INDETERMINATE_CLASS);
if (field && field.length && value == null) {
this.clearField(field, isInput);
}
if ((!field || !field.length) && fieldName) {
this.addInput(fieldName, value, selectedObject);
}
} else {
isMarking = true;
if (!this.options.multiSelect || el.hasClass('dropdown-clear-active')) {
this.dropdown.find('.' + ACTIVE_CLASS).removeClass(ACTIVE_CLASS);
if (!isInput) {
this.dropdown
.parent()
.find("input[name='" + fieldName + "']")
.remove();
}
}
if (field && field.length && value == null) {
this.clearField(field, isInput);
}
// Toggle active class for the tick mark
el.addClass(ACTIVE_CLASS);
if (value != null) {
if ((!field || !field.length) && fieldName) {
this.addInput(fieldName, value, selectedObject);
} else if (field && field.length) {
field.val(value).trigger('change');
}
}
}
return [selectedObject, isMarking];
};
GitLabDropdown.prototype.focusTextInput = function() {
if (this.options.filterable) {
const initialScrollTop = $(window).scrollTop();
if (this.dropdown.is('.show') && !this.filterInput.is(':focus')) {
this.filterInput.focus();
}
if ($(window).scrollTop() < initialScrollTop) {
$(window).scrollTop(initialScrollTop);
}
}
};
GitLabDropdown.prototype.addInput = function(fieldName, value, selectedObject, single) {
var $input;
// Create hidden input for form
if (single) {
$('input[name="' + fieldName + '"]').remove();
}
$input = $('<input>')
.attr('type', 'hidden')
.attr('name', fieldName)
.val(value);
if (this.options.inputId != null) {
$input.attr('id', this.options.inputId);
}
if (this.options.multiSelect) {
Object.keys(selectedObject).forEach(attribute => {
$input.attr(`data-${attribute}`, selectedObject[attribute]);
});
}
if (this.options.inputMeta) {
$input.attr('data-meta', selectedObject[this.options.inputMeta]);
}
this.dropdown.before($input).trigger('change');
};
GitLabDropdown.prototype.selectRowAtIndex = function(index) {
var $el, selector;
// If we pass an option index
if (typeof index !== 'undefined') {
selector = SELECTABLE_CLASSES + ':eq(' + index + ') a';
} else {
selector = '.dropdown-content .is-focused';
}
if (this.dropdown.find('.dropdown-toggle-page').length) {
selector = '.dropdown-page-one ' + selector;
}
// simulate a click on the first link
$el = $(selector, this.dropdown);
if ($el.length) {
var href = $el.attr('href');
if (href && href !== '#') {
visitUrl(href);
} else {
$el.trigger('click');
}
}
};
GitLabDropdown.prototype.addArrowKeyEvent = function() {
var $input, ARROW_KEY_CODES, selector;
ARROW_KEY_CODES = [38, 40];
$input = this.dropdown.find('.dropdown-input-field');
selector = SELECTABLE_CLASSES;
if (this.dropdown.find('.dropdown-toggle-page').length) {
selector = '.dropdown-page-one ' + selector;
}
return $('body').on(
'keydown',
(function(_this) {
return function(e) {
var $listItems, PREV_INDEX, currentKeyCode;
currentKeyCode = e.which;
if (ARROW_KEY_CODES.indexOf(currentKeyCode) !== -1) {
e.preventDefault();
e.stopImmediatePropagation();
PREV_INDEX = currentIndex;
$listItems = $(selector, _this.dropdown);
// if @options.filterable
// $input.blur()
if (currentKeyCode === 40) {
// Move down
if (currentIndex < $listItems.length - 1) {
currentIndex += 1;
}
} else if (currentKeyCode === 38) {
// Move up
if (currentIndex > 0) {
currentIndex -= 1;
}
}
if (currentIndex !== PREV_INDEX) {
_this.highlightRowAtIndex($listItems, currentIndex);
}
return false;
}
if (currentKeyCode === 13 && currentIndex !== -1) {
e.preventDefault();
_this.selectRowAtIndex();
}
};
})(this),
);
};
GitLabDropdown.prototype.removeArrayKeyEvent = function() {
return $('body').off('keydown');
};
GitLabDropdown.prototype.resetRows = function resetRows() {
currentIndex = -1;
$('.is-focused', this.dropdown).removeClass('is-focused');
};
GitLabDropdown.prototype.highlightRowAtIndex = function($listItems, index) {
var $dropdownContent,
$listItem,
dropdownContentBottom,
dropdownContentHeight,
dropdownContentTop,
dropdownScrollTop,
listItemBottom,
listItemHeight,
listItemTop;
if (!$listItems) {
$listItems = $(SELECTABLE_CLASSES, this.dropdown);
}
// Remove the class for the previously focused row
$('.is-focused', this.dropdown).removeClass('is-focused');
// Update the class for the row at the specific index
$listItem = $listItems.eq(index);
$listItem.find('a:first-child').addClass('is-focused');
// Dropdown content scroll area
$dropdownContent = $listItem.closest('.dropdown-content');
dropdownScrollTop = $dropdownContent.scrollTop();
dropdownContentHeight = $dropdownContent.outerHeight();
dropdownContentTop = $dropdownContent.prop('offsetTop');
dropdownContentBottom = dropdownContentTop + dropdownContentHeight;
// Get the offset bottom of the list item
listItemHeight = $listItem.outerHeight();
listItemTop = $listItem.prop('offsetTop');
listItemBottom = listItemTop + listItemHeight;
if (!index) {
// Scroll the dropdown content to the top
$dropdownContent.scrollTop(0);
} else if (index === $listItems.length - 1) {
// Scroll the dropdown content to the bottom
$dropdownContent.scrollTop($dropdownContent.prop('scrollHeight'));
} else if (listItemBottom > dropdownContentBottom + dropdownScrollTop) {
// Scroll the dropdown content down
$dropdownContent.scrollTop(
listItemBottom - dropdownContentBottom + CURSOR_SELECT_SCROLL_PADDING,
);
} else if (listItemTop < dropdownContentTop + dropdownScrollTop) {
// Scroll the dropdown content up
return $dropdownContent.scrollTop(
listItemTop - dropdownContentTop - CURSOR_SELECT_SCROLL_PADDING,
);
}
};
GitLabDropdown.prototype.updateLabel = function(selected, el, instance) {
if (selected == null) {
selected = null;
}
if (el == null) {
el = null;
}
if (instance == null) {
instance = null;
}
let toggleText = this.options.toggleLabel(selected, el, instance);
if (this.options.updateLabel) {
// Option to override the dropdown label text
toggleText = this.options.updateLabel;
}
return $(this.el)
.find('.dropdown-toggle-text')
.text(toggleText);
};
GitLabDropdown.prototype.clearField = function(field, isInput) {
return isInput ? field.val('') : field.remove();
};
return GitLabDropdown;
})();
$.fn.glDropdown = function(opts) {
return this.each(function() {
if (!$.data(this, 'glDropdown')) {
return $.data(this, 'glDropdown', new GitLabDropdown(this, opts));
}
});
};