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gitea/templates/base/head_script.tmpl
wxiaoguang d4f35bd681
Use a general approch to improve a11y for all checkboxes and dropdowns. (#23542)
This PR follows #22599 and #23450

The major improvements:

1. The `aria-*.js` are totally transparent now, no need to call
`attachDropdownAria` explicitly anymore.
* It hooks the `$.fn.checkbox` and `$.fn.dropdown`, then our patch
works.
* It makes all dynamically generated checkbox/dropdown work with a11y
without any change
* eg: the `conversation.find('.dropdown').dropdown();` in `repo-diff.js`
2. Since it's totally transparent now, it could be easier to modify or
remove in the future.
3. It handles all selection labels as well (by onLabelCreate), so it
supports "multiple selection dropdown" now.
* It partially completes one of my TODOs: `TODO: multiple selection is
not supported yet.`
4. The code structure is clearer, code blocks are splitted into
different functions.
* The old `attachOneDropdownAria` was splitted into separate functions.
* It makes it easier to add more fine tunes in the future, and co-work
with contributors.
6. The code logic is similar as before, only two new parts: 
    1. the `ariaCheckboxFn` and `ariaDropdownFn` functions
    2. the `onLabelCreate` and `updateSelectionLabel` functions

In `aria-dropdown.js` I had to mix jQuery and Vanilla JS somewhat, I
think the code is still understandable, otherwise the code would be much
more complex to read.

Thanks to fsologureng for the idea about "improving the 'delete icon'
with aria attributes".

If there is anything unclear or incorrect, feel free to ask and discuss,
or propose new PRs for it.
2023-03-22 10:52:01 +08:00

51 lines
2.4 KiB
Handlebars

{{/*
==== DO NOT EDIT ====
If you are customizing Gitea, please do not change this file.
If you introduce mistakes in it, Gitea JavaScript code wouldn't run correctly.
*/}}
<script>
window.addEventListener('error', function(e) {window._globalHandlerErrors=window._globalHandlerErrors||[]; window._globalHandlerErrors.push(e);});
window.config = {
appUrl: '{{AppUrl}}',
appSubUrl: '{{AppSubUrl}}',
assetVersionEncoded: encodeURIComponent('{{AssetVersion}}'), // will be used in URL construction directly
assetUrlPrefix: '{{AssetUrlPrefix}}',
runModeIsProd: {{.RunModeIsProd}},
customEmojis: {{CustomEmojis}},
useServiceWorker: {{UseServiceWorker}},
csrfToken: '{{.CsrfToken}}',
pageData: {{.PageData}},
requireTribute: {{.RequireTribute}},
notificationSettings: {{NotificationSettings}}, {{/*a map provided by NewFuncMap in helper.go*/}}
enableTimeTracking: {{EnableTimetracking}},
{{if .RequireTribute}}
tributeValues: Array.from(new Map([
{{range .Participants}}
['{{.Name}}', {key: '{{.Name}} {{.FullName}}', value: '{{.Name}}',
name: '{{.Name}}', fullname: '{{.FullName}}', avatar: '{{.AvatarLink $.Context}}'}],
{{end}}
{{range .Assignees}}
['{{.Name}}', {key: '{{.Name}} {{.FullName}}', value: '{{.Name}}',
name: '{{.Name}}', fullname: '{{.FullName}}', avatar: '{{.AvatarLink $.Context}}'}],
{{end}}
{{range .MentionableTeams}}
['{{$.MentionableTeamsOrg}}/{{.Name}}', {key: '{{$.MentionableTeamsOrg}}/{{.Name}}', value: '{{$.MentionableTeamsOrg}}/{{.Name}}',
name: '{{$.MentionableTeamsOrg}}/{{.Name}}', avatar: '{{$.MentionableTeamsOrgAvatar}}'}],
{{end}}
]).values()),
{{end}}
mermaidMaxSourceCharacters: {{MermaidMaxSourceCharacters}},
{{/* this global i18n object should only contain general texts. for specialized texts, it should be provided inside the related modules by: (1) API response (2) HTML data-attribute (3) PageData */}}
i18n: {
copy_success: '{{.locale.Tr "copy_success"}}',
copy_error: '{{.locale.Tr "copy_error"}}',
error_occurred: '{{.locale.Tr "error.occurred"}}',
network_error: '{{.locale.Tr "error.network_error"}}',
remove_label_str: '{{.locale.Tr "remove_label_str"}}',
},
};
{{/* in case some pages don't render the pageData, we make sure it is an object to prevent null access */}}
window.config.pageData = window.config.pageData || {};
</script>
<script src="{{AssetUrlPrefix}}/js/webcomponents.js?v={{AssetVersion}}"></script>