Restore Accessibility for Dropdown (#16576)
* Restore #10096/#8638 and re-fix #15172 This PR restores the vendored and patched dropdow from #8638. It however, abandons the calls to `click()` using instead the default dropdown click calls instead. This prevents the issue of the dropdown grabbing focus permanently however, this may have negative effects on the effect of focus on the dropdowns. Of note, the behaviour of the template selector dropdown on the repo creation page is slightly odd - I don't believe that this odd behaviour is caused by this PR but rather by the feed source for this. I suspect that the dropdown should be adding a delete button to its selection. Fix #15172 References: #7057 Signed-off-by: Andrew Thornton <art27@cantab.net> * leverage fomantic-build instead Signed-off-by: Andrew Thornton <art27@cantab.net> * as per jookia Signed-off-by: Andrew Thornton <art27@cantab.net>
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5 changed files with 4450 additions and 10 deletions
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@ -2,6 +2,7 @@ root: true
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reportUnusedDisableDirectives: true
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ignorePatterns:
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- /web_src/js/vendor
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- /templates/base/head.tmpl
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- /templates/repo/activity.tmpl
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- /templates/repo/view_file.tmpl
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1
Makefile
1
Makefile
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@ -699,6 +699,7 @@ fomantic:
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cd $(FOMANTIC_WORK_DIR) && npm install --no-save
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cp -f $(FOMANTIC_WORK_DIR)/theme.config.less $(FOMANTIC_WORK_DIR)/node_modules/fomantic-ui/src/theme.config
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cp -rf $(FOMANTIC_WORK_DIR)/_site $(FOMANTIC_WORK_DIR)/node_modules/fomantic-ui/src/
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cp -f web_src/js/vendor/dropdown.js $(FOMANTIC_WORK_DIR)/node_modules/fomantic-ui/src/definitions/modules
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cd $(FOMANTIC_WORK_DIR) && npx gulp -f node_modules/fomantic-ui/gulpfile.js build
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.PHONY: webpack
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@ -30873,7 +30873,7 @@ ol.ui.suffixed.list li:before,
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List
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---------------*/
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/* Menu divider shouldn't apply */
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/* Menu divider shouldnt apply */
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.ui.menu .list .item:before {
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background: none !important;
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@ -31802,7 +31802,7 @@ Floated Menu / Item
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opacity: 1;
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}
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/* Icon Glyph */
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/* Icon Gylph */
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.ui.icon.menu i.icon:before {
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opacity: 1;
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@ -142,7 +142,7 @@ $.api = $.fn.api = function(parameters) {
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response = JSON.parse(response);
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}
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catch(e) {
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// isn't json string
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// isnt json string
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}
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}
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return response;
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@ -2220,7 +2220,7 @@ $.fn.dimmer = function(parameters) {
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event: {
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click: function(event) {
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module.verbose('Determining if event occurred on dimmer', event);
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module.verbose('Determining if event occured on dimmer', event);
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if( $dimmer.find(event.target).length === 0 || $(event.target).is(selector.content) ) {
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module.hide();
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event.stopImmediatePropagation();
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@ -2827,6 +2827,13 @@ $.fn.dimmer.settings = {
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*
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*/
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/*
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* Copyright 2019 The Gitea Authors
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* Released under the MIT license
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* http://opensource.org/licenses/MIT
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* This version has been modified by Gitea to improve accessibility.
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*/
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;(function ($, window, document, undefined) {
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'use strict';
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@ -2860,6 +2867,7 @@ $.fn.dropdown = function(parameters) {
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query = arguments[0],
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methodInvoked = (typeof query == 'string'),
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queryArguments = [].slice.call(arguments, 1),
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lastAriaID = 1,
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returnedValue
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;
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@ -2952,6 +2960,8 @@ $.fn.dropdown = function(parameters) {
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module.observeChanges();
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module.instantiate();
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module.aria.setup();
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}
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},
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@ -3152,6 +3162,86 @@ $.fn.dropdown = function(parameters) {
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}
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},
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aria: {
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setup: function() {
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var role = module.aria.guessRole();
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if( role !== 'menu' ) {
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return;
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}
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$module.attr('aria-busy', 'true');
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$module.attr('role', 'menu');
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$module.attr('aria-haspopup', 'menu');
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$module.attr('aria-expanded', 'false');
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$menu.find('.divider').attr('role', 'separator');
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$item.attr('role', 'menuitem');
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$item.each(function (index, item) {
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if( !item.id ) {
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item.id = module.aria.nextID('menuitem');
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}
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});
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$text = $module
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.find('> .text')
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.eq(0)
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;
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if( $module.data('content') ) {
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$text.attr('aria-hidden');
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$module.attr('aria-label', $module.data('content'));
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}
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else {
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$text.attr('id', module.aria.nextID('menutext'));
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$module.attr('aria-labelledby', $text.attr('id'));
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}
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$module.attr('aria-busy', 'false');
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},
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nextID: function(prefix) {
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var nextID;
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do {
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nextID = prefix + '_' + lastAriaID++;
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} while( document.getElementById(nextID) );
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return nextID;
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},
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setExpanded: function(expanded) {
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if( $module.attr('aria-haspopup') ) {
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$module.attr('aria-expanded', expanded);
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}
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},
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refreshDescendant: function() {
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if( $module.attr('aria-haspopup') !== 'menu' ) {
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return;
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}
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var
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$currentlySelected = $item.not(selector.unselectable).filter('.' + className.selected).eq(0),
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$activeItem = $menu.children('.' + className.active).eq(0),
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$selectedItem = ($currentlySelected.length > 0)
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? $currentlySelected
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: $activeItem
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;
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if( $selectedItem ) {
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$module.attr('aria-activedescendant', $selectedItem.attr('id'));
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}
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else {
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module.aria.removeDescendant();
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}
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},
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removeDescendant: function() {
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if( $module.attr('aria-haspopup') == 'menu' ) {
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$module.removeAttr('aria-activedescendant');
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}
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},
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guessRole: function() {
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var
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isIcon = $module.hasClass('icon'),
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hasSearch = module.has.search(),
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hasInput = ($input.length > 0),
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isMultiple = module.is.multiple()
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;
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if ( !isIcon && !hasSearch && !hasInput && !isMultiple ) {
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return 'menu';
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}
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return 'unknown';
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}
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},
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setup: {
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api: function() {
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var
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@ -3198,6 +3288,7 @@ $.fn.dropdown = function(parameters) {
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if(settings.allowTab) {
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module.set.tabbable();
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}
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$item.attr('tabindex', '-1');
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},
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select: function() {
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var
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@ -3344,6 +3435,8 @@ $.fn.dropdown = function(parameters) {
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return true;
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}
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if(settings.onShow.call(element) !== false) {
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module.aria.setExpanded(true);
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module.aria.refreshDescendant();
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module.animate.show(function() {
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if( module.can.click() ) {
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module.bind.intent();
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@ -3366,9 +3459,11 @@ $.fn.dropdown = function(parameters) {
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if( module.is.active() && !module.is.animatingOutward() ) {
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module.debug('Hiding dropdown');
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if(settings.onHide.call(element) !== false) {
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module.aria.setExpanded(false);
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module.aria.removeDescendant();
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module.animate.hide(function() {
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module.remove.visible();
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// hiding search focus
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// hidding search focus
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if ( module.is.focusedOnSearch() && preventBlur !== true ) {
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$search.blur();
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}
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@ -4319,7 +4414,7 @@ $.fn.dropdown = function(parameters) {
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// allow selection with menu closed
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if(isAdditionWithoutMenu) {
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module.verbose('Selecting item from keyboard shortcut', $selectedItem);
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module.event.item.click.call($selectedItem, event);
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$selectedItem[0].click();
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if(module.is.searchSelection()) {
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module.remove.searchTerm();
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}
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@ -4339,7 +4434,7 @@ $.fn.dropdown = function(parameters) {
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}
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else if(selectedIsSelectable) {
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module.verbose('Selecting item from keyboard shortcut', $selectedItem);
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module.event.item.click.call($selectedItem, event);
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$selectedItem[0].click();
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if(module.is.searchSelection()) {
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module.remove.searchTerm();
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if(module.is.multiple()) {
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@ -4367,6 +4462,7 @@ $.fn.dropdown = function(parameters) {
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.closest(selector.item)
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.addClass(className.selected)
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;
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module.aria.refreshDescendant();
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event.preventDefault();
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}
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}
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@ -4383,6 +4479,7 @@ $.fn.dropdown = function(parameters) {
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.find(selector.item).eq(0)
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.addClass(className.selected)
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;
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module.aria.refreshDescendant();
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event.preventDefault();
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}
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}
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@ -4407,6 +4504,7 @@ $.fn.dropdown = function(parameters) {
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$nextItem
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.addClass(className.selected)
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;
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module.aria.refreshDescendant();
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module.set.scrollPosition($nextItem);
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if(settings.selectOnKeydown && module.is.single()) {
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module.set.selectedItem($nextItem);
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@ -4434,6 +4532,7 @@ $.fn.dropdown = function(parameters) {
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$nextItem
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.addClass(className.selected)
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;
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module.aria.refreshDescendant();
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module.set.scrollPosition($nextItem);
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if(settings.selectOnKeydown && module.is.single()) {
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module.set.selectedItem($nextItem);
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@ -5403,6 +5502,7 @@ $.fn.dropdown = function(parameters) {
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module.set.scrollPosition($nextValue);
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$selectedItem.removeClass(className.selected);
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$nextValue.addClass(className.selected);
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module.aria.refreshDescendant();
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if(settings.selectOnKeydown && module.is.single()) {
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module.set.selectedItem($nextValue);
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}
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@ -11937,7 +12037,7 @@ $.fn.progress = function(parameters) {
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*
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* @param min A minimum value within multiple values
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* @param total A total amount of multiple values
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* @returns {number} A precision. Could be 1, 10, 100, ... 1e+10.
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* @returns {number} A precison. Could be 1, 10, 100, ... 1e+10.
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*/
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derivePrecision: function(min, total) {
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var precisionPower = 0
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@ -12837,7 +12937,7 @@ $.fn.progress.settings = {
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nonNumeric : 'Progress value is non numeric',
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tooHigh : 'Value specified is above 100%',
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tooLow : 'Value specified is below 0%',
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sumExceedsTotal : 'Sum of multiple values exceed total',
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sumExceedsTotal : 'Sum of multple values exceed total',
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},
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regExp: {
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@ -18076,7 +18176,7 @@ $.fn.transition.settings = {
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// possible errors
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error: {
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noAnimation : 'Element is no longer attached to DOM. Unable to animate. Use silent setting to suppress this warning in production.',
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noAnimation : 'Element is no longer attached to DOM. Unable to animate. Use silent setting to surpress this warning in production.',
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repeated : 'That animation is already occurring, cancelling repeated animation',
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method : 'The method you called is not defined',
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support : 'This browser does not support CSS animations'
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4338
web_src/js/vendor/dropdown.js
vendored
Normal file
4338
web_src/js/vendor/dropdown.js
vendored
Normal file
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