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	Use vertical layout for multiple code expander buttons (#31122)
Fixes: https://github.com/go-gitea/gitea/issues/31068 - Now it only does a single call to `GetExpandDirection` per line instead of multiples. - Exposed `data-expand-direction` to frontend so it can correctly size the buttons (it's a pain to do in tables). <img width="142" alt="Screenshot 2024-05-27 at 20 44 56" src="https://github.com/go-gitea/gitea/assets/115237/8b0b45a6-8e50-4081-8822-5e0775d8d941"> <img width="142" alt="Screenshot 2024-05-27 at 20 44 51" src="https://github.com/go-gitea/gitea/assets/115237/b7ba2c57-8f55-4e9f-9606-c96d16b77892"> <img width="132" alt="Screenshot 2024-05-27 at 20 44 46" src="https://github.com/go-gitea/gitea/assets/115237/0e838fb8-5e8c-4250-9843-a68b88d5418b"> <img width="80" alt="Screenshot 2024-05-27 at 20 44 33" src="https://github.com/go-gitea/gitea/assets/115237/da6c7f83-c160-4389-8ab2-889d0568cbe8"> <img width="80" alt="Screenshot 2024-05-27 at 20 44 26" src="https://github.com/go-gitea/gitea/assets/115237/cdb490b2-5040-484a-92e5-46fc5e37c199"> <img width="78" alt="Screenshot 2024-05-27 at 20 44 20" src="https://github.com/go-gitea/gitea/assets/115237/d2978ab0-764e-41ff-922c-25f8fe749f28"> Would backport as trivial enhancement.
This commit is contained in:
		@@ -2,19 +2,20 @@
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	{{range $k, $line := $.section.Lines}}
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	<tr class="{{.GetHTMLDiffLineType}}-code nl-{{$k}} ol-{{$k}} line-expanded">
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		{{if eq .GetType 4}}
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			{{$expandDirection := $line.GetExpandDirection}}
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			<td class="lines-num lines-num-old" data-line-num="{{if $line.LeftIdx}}{{$line.LeftIdx}}{{end}}">
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				<div class="tw-flex">
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				{{if or (eq $line.GetExpandDirection 3) (eq $line.GetExpandDirection 5)}}
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				<div class="code-expander-buttons" data-expand-direction="{{$expandDirection}}">
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				{{if or (eq $expandDirection 3) (eq $expandDirection 5)}}
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					<button class="code-expander-button" hx-target="closest tr" hx-get="{{$.RepoLink}}/blob_excerpt/{{PathEscape $.AfterCommitID}}?{{$line.GetBlobExcerptQuery}}&style=split&direction=down&wiki={{$.PageIsWiki}}&anchor={{$.Anchor}}">
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						{{svg "octicon-fold-down"}}
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					</button>
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				{{end}}
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				{{if or (eq $line.GetExpandDirection 3) (eq $line.GetExpandDirection 4)}}
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				{{if or (eq $expandDirection 3) (eq $expandDirection 4)}}
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					<button class="code-expander-button" hx-target="closest tr" hx-get="{{$.RepoLink}}/blob_excerpt/{{PathEscape $.AfterCommitID}}?{{$line.GetBlobExcerptQuery}}&style=split&direction=up&wiki={{$.PageIsWiki}}&anchor={{$.Anchor}}">
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						{{svg "octicon-fold-up"}}
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					</button>
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				{{end}}
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				{{if eq $line.GetExpandDirection 2}}
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				{{if eq $expandDirection 2}}
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					<button class="code-expander-button" hx-target="closest tr" hx-get="{{$.RepoLink}}/blob_excerpt/{{PathEscape $.AfterCommitID}}?{{$line.GetBlobExcerptQuery}}&style=split&direction=&wiki={{$.PageIsWiki}}&anchor={{$.Anchor}}">
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						{{svg "octicon-fold"}}
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					</button>
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@@ -48,19 +49,20 @@
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	{{range $k, $line := $.section.Lines}}
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	<tr class="{{.GetHTMLDiffLineType}}-code nl-{{$k}} ol-{{$k}} line-expanded">
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		{{if eq .GetType 4}}
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			{{$expandDirection := $line.GetExpandDirection}}
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			<td colspan="2" class="lines-num">
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				<div class="tw-flex">
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					{{if or (eq $line.GetExpandDirection 3) (eq $line.GetExpandDirection 5)}}
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				<div class="code-expander-buttons" data-expand-direction="{{$expandDirection}}">
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					{{if or (eq $expandDirection 3) (eq $expandDirection 5)}}
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						<button class="code-expander-button" hx-target="closest tr" hx-get="{{$.RepoLink}}/blob_excerpt/{{PathEscape $.AfterCommitID}}?data-query={{$line.GetBlobExcerptQuery}}&style=unified&direction=down&wiki={{$.PageIsWiki}}&anchor={{$.Anchor}}">
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							{{svg "octicon-fold-down"}}
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						</button>
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					{{end}}
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					{{if or (eq $line.GetExpandDirection 3) (eq $line.GetExpandDirection 4)}}
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					{{if or (eq $expandDirection 3) (eq $expandDirection 4)}}
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						<button class="code-expander-button" hx-target="closest tr" hx-get="{{$.RepoLink}}/blob_excerpt/{{PathEscape $.AfterCommitID}}?data-query={{$line.GetBlobExcerptQuery}}&style=unified&direction=up&wiki={{$.PageIsWiki}}&anchor={{$.Anchor}}">
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							{{svg "octicon-fold-up"}}
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						</button>
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					{{end}}
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					{{if eq $line.GetExpandDirection 2}}
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					{{if eq $expandDirection 2}}
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						<button class="code-expander-button" hx-target="closest tr" hx-get="{{$.RepoLink}}/blob_excerpt/{{PathEscape $.AfterCommitID}}?data-query={{$line.GetBlobExcerptQuery}}&style=unified&direction=&wiki={{$.PageIsWiki}}&anchor={{$.Anchor}}">
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							{{svg "octicon-fold"}}
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						</button>
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@@ -16,19 +16,20 @@
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		{{if or (ne .GetType 2) (not $hasmatch)}}
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			<tr class="{{.GetHTMLDiffLineType}}-code nl-{{$k}} ol-{{$k}}" data-line-type="{{.GetHTMLDiffLineType}}">
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				{{if eq .GetType 4}}
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					{{$expandDirection := $line.GetExpandDirection}}
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					<td class="lines-num lines-num-old">
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						<div class="tw-flex">
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						{{if or (eq $line.GetExpandDirection 3) (eq $line.GetExpandDirection 5)}}
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						<div class="code-expander-buttons" data-expand-direction="{{$expandDirection}}">
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						{{if or (eq $expandDirection 3) (eq $expandDirection 5)}}
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							<button class="code-expander-button" hx-target="closest tr" hx-get="{{$blobExcerptRepoLink}}/blob_excerpt/{{PathEscape $.root.AfterCommitID}}?{{$line.GetBlobExcerptQuery}}&style=split&direction=down&wiki={{$.root.PageIsWiki}}&anchor=diff-{{$file.NameHash}}K{{$line.SectionInfo.RightIdx}}">
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								{{svg "octicon-fold-down"}}
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							</button>
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						{{end}}
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						{{if or (eq $line.GetExpandDirection 3) (eq $line.GetExpandDirection 4)}}
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						{{if or (eq $expandDirection 3) (eq $expandDirection 4)}}
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							<button class="code-expander-button" hx-target="closest tr" hx-get="{{$blobExcerptRepoLink}}/blob_excerpt/{{PathEscape $.root.AfterCommitID}}?{{$line.GetBlobExcerptQuery}}&style=split&direction=up&wiki={{$.root.PageIsWiki}}&anchor=diff-{{$file.NameHash}}K{{$line.SectionInfo.RightIdx}}">
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								{{svg "octicon-fold-up"}}
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							</button>
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						{{end}}
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						{{if eq $line.GetExpandDirection 2}}
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						{{if eq $expandDirection 2}}
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							<button class="code-expander-button" hx-target="closest tr" hx-get="{{$blobExcerptRepoLink}}/blob_excerpt/{{PathEscape $.root.AfterCommitID}}?{{$line.GetBlobExcerptQuery}}&style=split&direction=&wiki={{$.root.PageIsWiki}}&anchor=diff-{{$file.NameHash}}K{{$line.SectionInfo.RightIdx}}">
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								{{svg "octicon-fold"}}
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							</button>
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@@ -12,19 +12,20 @@
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		<tr class="{{.GetHTMLDiffLineType}}-code nl-{{$k}} ol-{{$k}}" data-line-type="{{.GetHTMLDiffLineType}}">
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			{{if eq .GetType 4}}
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				{{if $.root.AfterCommitID}}
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					{{$expandDirection := $line.GetExpandDirection}}
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					<td colspan="2" class="lines-num">
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						<div class="tw-flex">
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							{{if or (eq $line.GetExpandDirection 3) (eq $line.GetExpandDirection 5)}}
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						<div class="code-expander-buttons" data-expand-direction="{{$expandDirection}}">
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							{{if or (eq $expandDirection 3) (eq $expandDirection 5)}}
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								<button class="code-expander-button" hx-target="closest tr" hx-get="{{$blobExcerptRepoLink}}/blob_excerpt/{{PathEscape $.root.AfterCommitID}}?{{$line.GetBlobExcerptQuery}}&style=unified&direction=down&wiki={{$.root.PageIsWiki}}&anchor=diff-{{$file.NameHash}}K{{$line.SectionInfo.RightIdx}}">
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									{{svg "octicon-fold-down"}}
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								</button>
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							{{end}}
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							{{if or (eq $line.GetExpandDirection 3) (eq $line.GetExpandDirection 4)}}
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							{{if or (eq $expandDirection 3) (eq $expandDirection 4)}}
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								<button class="code-expander-button" hx-target="closest tr" hx-get="{{$blobExcerptRepoLink}}/blob_excerpt/{{PathEscape $.root.AfterCommitID}}?{{$line.GetBlobExcerptQuery}}&style=unified&direction=up&wiki={{$.root.PageIsWiki}}&anchor=diff-{{$file.NameHash}}K{{$line.SectionInfo.RightIdx}}">
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									{{svg "octicon-fold-up"}}
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								</button>
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							{{end}}
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							{{if eq $line.GetExpandDirection 2}}
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							{{if eq $expandDirection 2}}
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								<button class="code-expander-button" hx-target="closest tr" hx-get="{{$blobExcerptRepoLink}}/blob_excerpt/{{PathEscape $.root.AfterCommitID}}?{{$line.GetBlobExcerptQuery}}&style=unified&direction=&wiki={{$.root.PageIsWiki}}&anchor=diff-{{$file.NameHash}}K{{$line.SectionInfo.RightIdx}}">
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									{{svg "octicon-fold"}}
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								</button>
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@@ -164,6 +164,11 @@
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  flex: 1;
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}
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/* expand direction 3 is both ways with two buttons */
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.code-expander-buttons[data-expand-direction="3"] .code-expander-button {
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  height: 18px;
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}
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.code-expander-button:hover {
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  background: var(--color-primary);
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  color: var(--color-primary-contrast);
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