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gitea/templates/repo/diff/section_unified.tmpl
delvh e95b42e187
Improve accessibility when (re-)viewing files (#24817)
Visually, nothing should have changed.
Changes include
- Convert most `<a [no href]>` to `<button>` when (re-)viewing files:
- `<a [no href]>` are, by HTML definition, not a link and hence cannot
be focused
- `<a class="ui button">` can now be clicked (again?) using
<kbd>Enter</kbd>
- Previously, the installed keypress handler on `.ui.button` elements
disabled it for links somehow
- The `(un)escape file`, the `expand section` and the `expand/collapse
file` buttons can now be focused (and subsequently clicked using only
the keyboard)
- You can now press <kbd>Space</kbd> on a focused `View file` checkbox
to mark the file as viewed.
- previously, this was impossible as this checkbox listened on the wrong
event listener

The `add code comment` button has been left inaccessible for now as it
requires quite a bit of extra logic so that it is unhidden when it is
focused (you can otherwise focus it without seeing it as you are not
hovering on the corresponding line).

---------

Co-authored-by: silverwind <me@silverwind.io>
2023-05-21 20:47:41 +00:00

72 lines
3.9 KiB
Handlebars

{{$file := .file}}
<colgroup>
<col width="50">
<col width="50">
<col width="10">
<col width="10">
<col>
</colgroup>
{{range $j, $section := $file.Sections}}
{{range $k, $line := $section.Lines}}
<tr class="{{.GetHTMLDiffLineType}}-code nl-{{$k}} ol-{{$k}}" data-line-type="{{.GetHTMLDiffLineType}}">
{{if eq .GetType 4}}
{{if $.root.AfterCommitID}}
<td colspan="2" class="lines-num">
<div class="gt-df">
{{if or (eq $line.GetExpandDirection 3) (eq $line.GetExpandDirection 5)}}
<button class="code-expander-button" data-url="{{$.root.RepoLink}}/blob_excerpt/{{PathEscape $.root.AfterCommitID}}" data-query="{{$line.GetBlobExcerptQuery}}&style=unified&direction=down&wiki={{$.root.PageIsWiki}}" data-anchor="diff-{{$file.NameHash}}K{{$line.SectionInfo.RightIdx}}">
{{svg "octicon-fold-down"}}
</button>
{{end}}
{{if or (eq $line.GetExpandDirection 3) (eq $line.GetExpandDirection 4)}}
<button class="code-expander-button" data-url="{{$.root.RepoLink}}/blob_excerpt/{{PathEscape $.root.AfterCommitID}}" data-query="{{$line.GetBlobExcerptQuery}}&style=unified&direction=up&wiki={{$.root.PageIsWiki}}" data-anchor="diff-{{$file.NameHash}}K{{$line.SectionInfo.RightIdx}}">
{{svg "octicon-fold-up"}}
</button>
{{end}}
{{if eq $line.GetExpandDirection 2}}
<button class="code-expander-button" data-url="{{$.root.RepoLink}}/blob_excerpt/{{PathEscape $.root.AfterCommitID}}" data-query="{{$line.GetBlobExcerptQuery}}&style=unified&direction=&wiki={{$.root.PageIsWiki}}" data-anchor="diff-{{$file.NameHash}}K{{$line.SectionInfo.RightIdx}}">
{{svg "octicon-fold"}}
</button>
{{end}}
</div>
</td>
{{else}}
{{/* for code file preview page or comment diffs on pull comment pages, do not show the expansion arrows */}}
<td colspan="2" class="lines-num"></td>
{{end}}
{{else}}
<td class="lines-num lines-num-old" data-line-num="{{if $line.LeftIdx}}{{$line.LeftIdx}}{{end}}"><span rel="{{if $line.LeftIdx}}diff-{{$file.NameHash}}L{{$line.LeftIdx}}{{end}}"></span></td>
<td class="lines-num lines-num-new" data-line-num="{{if $line.RightIdx}}{{$line.RightIdx}}{{end}}"><span rel="{{if $line.RightIdx}}diff-{{$file.NameHash}}R{{$line.RightIdx}}{{end}}"></span></td>
{{end}}
{{$inlineDiff := $section.GetComputedInlineDiffFor $line $.root.locale -}}
<td class="lines-escape">
{{- if $inlineDiff.EscapeStatus.Escaped -}}
<button class="toggle-escape-button button button-ghost" title="{{template "repo/diff/escape_title" dict "diff" $inlineDiff "locale" $.root.locale}}"></button>
{{- end -}}
</td>
<td class="lines-type-marker"><span class="gt-mono" data-type-marker="{{$line.GetLineTypeMarker}}"></span></td>
{{if eq .GetType 4}}
<td class="chroma lines-code blob-hunk">{{/*
*/}}{{template "repo/diff/section_code" dict "diff" $inlineDiff "locale" $.root.locale}}{{/*
*/}}</td>
{{else}}
<td class="chroma lines-code{{if (not $line.RightIdx)}} lines-code-old{{end}}">{{/*
*/}}{{if and $.root.SignedUserID $.root.PageIsPullFiles}}{{/*
*/}}<a class="ui primary button add-code-comment add-code-comment-{{if $line.RightIdx}}right{{else}}left{{end}}{{if (not $line.CanComment)}} invisible{{end}}" data-side="{{if $line.RightIdx}}right{{else}}left{{end}}" data-idx="{{if $line.RightIdx}}{{$line.RightIdx}}{{else}}{{$line.LeftIdx}}{{end}}">{{/*
*/}}{{svg "octicon-plus"}}{{/*
*/}}</a>{{/*
*/}}{{end}}{{/*
*/}}{{template "repo/diff/section_code" dict "diff" $inlineDiff "locale" $.root.locale}}{{/*
*/}}</td>
{{end}}
</tr>
{{if gt (len $line.Comments) 0}}
<tr class="add-comment" data-line-type="{{.GetHTMLDiffLineType}}">
<td class="add-comment-left add-comment-right" colspan="5">
{{template "repo/diff/conversation" dict "." $.root "comments" $line.Comments}}
</td>
</tr>
{{end}}
{{end}}
{{end}}