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Refactor branch/tag selector dropdown (first step) (#23394)
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* #23345

The branch/tag selector dropdown mixes jQuery/Fomantic UI/Vue together,
it's very diffcult to maintain and causes unfixable a11y problems. It
also causes problems like #19851 #21314 #21952

This PR is the first step for the refactoring, move `data-` attributes
to JS object and use Vue data as much as possible.

The old selector `'.choose.reference .dropdown'` was also wrong, it hits
`<div class="choose reference"><svg class="dropdown icon">` and would
cause undefined behaviors.

I have done some quick tests and it works. After this PR gets merged, I
will move the code into a Vue SFC in next PR.



![image](https://user-images.githubusercontent.com/2114189/224099638-378a8a86-0865-47d1-bcba-f972506374c7.png)


![image](https://user-images.githubusercontent.com/2114189/224099690-70276cf5-b1e4-404a-b0c6-582448abf40e.png)

---------

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
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@wxiaoguang @techknowlogick
wxiaoguang and techknowlogick authored Mar 11, 2023
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128 changes: 69 additions & 59 deletions templates/repo/branch_dropdown.tmpl
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Original file line number Diff line number Diff line change
Expand Up @@ -2,101 +2,111 @@
{{$defaultBranch := $.root.BranchName}}{{if and .root.IsViewTag (not .noTag)}}{{$defaultBranch = .root.TagName}}{{end}}{{if eq $defaultBranch ""}}{{$defaultBranch = $.root.Repository.DefaultBranch}}{{end}}
{{$type := ""}}{{if and .root.IsViewTag (not .noTag)}}{{$type = "tag"}}{{else if .root.IsViewBranch}}{{$type = "branch"}}{{else}}{{$type = "tree"}}{{end}}
{{$showBranchesInDropdown := not .root.HideBranchesInDropdown}}

<script type="module">
const data = {
'textReleaseCompare': {{.root.locale.Tr "repo.release.compare"}},
'textCreateTag': {{.root.locale.Tr "repo.tag.create_tag"}},
'textCreateBranch': {{.root.locale.Tr "repo.branch.create_branch"}},
'textCreateBranchFrom': {{.root.locale.Tr "repo.branch.create_from"}},
'textBranches': {{.root.locale.Tr "repo.branches"}},
'textTags': {{.root.locale.Tr "repo.tags"}},
'mode': '{{if or .root.IsViewTag .isTag}}tags{{else}}branches{{end}}',
'showBranchesInDropdown': {{$showBranchesInDropdown}},
'searchFieldPlaceholder': '{{if $.noTag}}{{.root.locale.Tr "repo.pulls.filter_branch"}}{{else if $showBranchesInDropdown}}{{.root.locale.Tr "repo.filter_branch_and_tag"}}{{else}}{{.root.locale.Tr "repo.find_tag"}}{{end}}...',
'branchForm': {{$.branchForm}},
'disableCreateBranch': {{if .disableCreateBranch}}{{.disableCreateBranch}}{{else}}{{not .root.CanCreateBranch}}{{end}},
'setAction': {{.setAction}},
'submitForm': {{.submitForm}},
'viewType': {{$type}},
'refName': {{if and .root.IsViewTag (not .noTag)}}{{.root.TagName}}{{else if .root.IsViewBranch}}{{.root.BranchName}}{{else}}{{ShortSha .root.CommitID}}{{end}},
'commitIdShort': {{ShortSha .root.CommitID}},
'tagName': {{.root.TagName}},
'branchName': {{.root.BranchName}},
'noTag': {{.noTag}},
'branches': {{.root.Branches}},
'tags': {{.root.Tags}},
'defaultBranch': {{$defaultBranch}},
'branchURLPrefix': '{{if .branchURLPrefix}}{{.branchURLPrefix}}{{else}}{{$.root.RepoLink}}/{{if $.root.PageIsCommits}}commits{{else}}src{{end}}/branch/{{end}}',
'branchURLSuffix': '{{if .branchURLSuffix}}{{.branchURLSuffix}}{{else}}{{if $.root.TreePath}}/{{PathEscapeSegments $.root.TreePath}}{{end}}{{end}}',
'tagURLPrefix': '{{if .tagURLPrefix}}{{.tagURLPrefix}}{{else if $release}}{{$.root.RepoLink}}/compare/{{else}}{{$.root.RepoLink}}/{{if $.root.PageIsCommits}}commits{{else}}src{{end}}/tag/{{end}}',
'tagURLSuffix': '{{if .tagURLSuffix}}{{.tagURLSuffix}}{{else if $release}}...{{if $release.IsDraft}}{{PathEscapeSegments $release.Target}}{{else}}{{if $release.TagName}}{{PathEscapeSegments $release.TagName}}{{else}}{{PathEscapeSegments $release.Sha1}}{{end}}{{end}}{{else}}{{if $.root.TreePath}}/{{PathEscapeSegments $.root.TreePath}}{{end}}{{end}}',
'repoLink': {{.root.RepoLink}},
'treePath': {{.root.TreePath}},
'branchNameSubURL': {{.root.BranchNameSubURL}},
'noResults': {{.root.locale.Tr "repo.pulls.no_results"}},
};
{{if .release}}
data.release = {
'tagName': {{.release.TagName}},
};
{{end}}
window.config.pageData.branchDropdownDataList = window.config.pageData.branchDropdownDataList || [];
window.config.pageData.branchDropdownDataList.push(data);
</script>

<div class="fitted item choose reference">
<div class="ui floating filter dropdown custom"
data-branch-form="{{if $.branchForm}}{{$.branchForm}}{{end}}"
data-can-create-branch="{{if .canCreateBranch}}{{.canCreateBranch}}{{else}}{{.root.CanCreateBranch}}{{end}}"
data-no-results="{{.root.locale.Tr "repo.pulls.no_results"}}"
data-set-action="{{.setAction}}" data-submit-form="{{.submitForm}}"
data-view-type="{{$type}}"
data-ref-name="{{if and .root.IsViewTag (not .noTag)}}{{.root.TagName}}{{else if .root.IsViewBranch}}{{.root.BranchName}}{{else}}{{ShortSha .root.CommitID}}{{end}}"
data-branch-url-prefix="{{if .branchURLPrefix}}{{.branchURLPrefix}}{{else}}{{$.root.RepoLink}}/{{if $.root.PageIsCommits}}commits{{else}}src{{end}}/branch/{{end}}"
data-branch-url-suffix="{{if .branchURLSuffix}}{{.branchURLSuffix}}{{else}}{{if $.root.TreePath}}/{{PathEscapeSegments $.root.TreePath}}{{end}}{{end}}"
data-tag-url-prefix="{{if .tagURLPrefix}}{{.tagURLPrefix}}{{else if $release}}{{$.root.RepoLink}}/compare/{{else}}{{$.root.RepoLink}}/{{if $.root.PageIsCommits}}commits{{else}}src{{end}}/tag/{{end}}"
data-tag-url-suffix="{{if .tagURLSuffix}}{{.tagURLSuffix}}{{else if $release}}...{{if $release.IsDraft}}{{PathEscapeSegments $release.Target}}{{else}}{{if $release.TagName}}{{PathEscapeSegments $release.TagName}}{{else}}{{PathEscapeSegments $release.Sha1}}{{end}}{{end}}{{else}}{{if $.root.TreePath}}/{{PathEscapeSegments $.root.TreePath}}{{end}}{{end}}">
<div class="ui floating filter dropdown custom">
<button class="branch-dropdown-button gt-ellipsis ui basic small compact button gt-df" @click="menuVisible = !menuVisible" @keyup.enter="menuVisible = !menuVisible">
<span class="text gt-df gt-ac gt-mr-2">
{{if $release}}
{{.root.locale.Tr "repo.release.compare"}}
{{else}}
<span :class="{visible: isViewTag}" v-if="isViewTag" {{if not (eq $type "tag")}}v-cloak{{end}}>{{svg "octicon-tag"}}</span>
<span :class="{visible: isViewBranch}" v-if="isViewBranch" {{if not (eq $type "branch")}}v-cloak{{end}}>{{svg "octicon-git-branch"}}</span>
<span :class="{visible: isViewTree}" v-if="isViewTree" {{if not (eq $type "tree")}}v-cloak{{end}}>{{svg "octicon-git-branch"}}</span>
<strong ref="dropdownRefName" class="gt-ml-3">{{if and .root.IsViewTag (not .noTag)}}{{.root.TagName}}{{else if .root.IsViewBranch}}{{.root.BranchName}}{{else}}{{ShortSha .root.CommitID}}{{end}}</strong>
{{end}}
{{/* v-cloak is used to hide unnecessary elements before Vue componment is mounted */}}
<span v-cloak v-if="release">${ textReleaseCompare }</span>
<span :class="{visible: isViewTag}" v-if="isViewTag" {{if not (eq $type "tag")}}v-cloak{{end}}>{{svg "octicon-tag"}}</span>
<span :class="{visible: isViewBranch}" v-if="isViewBranch" {{if not (eq $type "branch")}}v-cloak{{end}}>{{svg "octicon-git-branch"}}</span>
<span :class="{visible: isViewTree}" v-if="isViewTree" {{if not (eq $type "tree")}}v-cloak{{end}}>{{svg "octicon-git-branch"}}</span>
<strong ref="dropdownRefName" class="gt-ml-3">{{if and .root.IsViewTag (not .noTag)}}{{.root.TagName}}{{else if .root.IsViewBranch}}{{.root.BranchName}}{{else}}{{ShortSha .root.CommitID}}{{end}}</strong>
</span>
{{svg "octicon-triangle-down" 14 "dropdown icon"}}
</button>
<div class="data gt-hidden" data-mode="{{if or .root.IsViewTag .isTag}}tags{{else}}branches{{end}}">
{{if $showBranchesInDropdown}}
{{range .root.Branches}}
<div class="item branch {{if eq $defaultBranch .}}selected{{end}}" data-url="{{PathEscapeSegments .}}">{{.}}</div>
{{end}}
{{end}}
{{if (not .noTag)}}
{{range .root.Tags}}
{{if $release}}
<div class="item tag {{if eq $release.TagName .}}selected{{end}}" data-url="{{PathEscapeSegments .}}">{{.}}</div>
{{else}}
<div class="item tag {{if eq $defaultBranch .}}selected{{end}}" data-url="{{PathEscapeSegments .}}">{{.}}</div>
{{end}}
{{end}}
{{end}}
</div>
<div class="menu transition" :class="{visible: menuVisible}" v-if="menuVisible" v-cloak>
<div class="ui icon search input">
<i class="icon gt-df gt-ac gt-jc gt-m-0">{{svg "octicon-filter" 16}}</i>
<input name="search" ref="searchField" autocomplete="off" v-model="searchTerm" @keydown="keydown($event)" placeholder="{{if $.noTag}}{{.root.locale.Tr "repo.pulls.filter_branch"}}{{else if $showBranchesInDropdown}}{{.root.locale.Tr "repo.filter_branch_and_tag"}}{{else}}{{.root.locale.Tr "repo.find_tag"}}{{end}}...">
<input name="search" ref="searchField" autocomplete="off" v-model="searchTerm" @keydown="keydown($event)" :placeholder="searchFieldPlaceholder">
</div>
{{if $showBranchesInDropdown}}
<template v-if="showBranchesInDropdown">
<div class="header branch-tag-choice">
<div class="ui grid">
<div class="two column row">
<a class="reference column" href="#" @click="createTag = false; mode = 'branches'; focusSearchField()">
<span class="text" :class="{black: mode == 'branches'}">
{{svg "octicon-git-branch" 16 "gt-mr-2"}}{{.root.locale.Tr "repo.branches"}}
<span class="text" :class="{black: mode === 'branches'}">
{{svg "octicon-git-branch" 16 "gt-mr-2"}}${ textBranches }
</span>
</a>
{{if not .noTag}}
<template v-if="!noTag">
<a class="reference column" href="#" @click="createTag = true; mode = 'tags'; focusSearchField()">
<span class="text" :class="{black: mode == 'tags'}">
{{svg "octicon-tag" 16 "gt-mr-2"}}{{.root.locale.Tr "repo.tags"}}
<span class="text" :class="{black: mode === 'tags'}">
{{svg "octicon-tag" 16 "gt-mr-2"}}${ textTags }
</span>
</a>
{{end}}
</template>
</div>
</div>
</div>
{{end}}
</template>
<div class="scrolling menu" ref="scrollContainer">
<div v-for="(item, index) in filteredItems" :key="item.name" class="item" :class="{selected: item.selected, active: active == index}" @click="selectItem(item)" :ref="'listItem' + index">${ item.name }</div>
<div class="item" v-if="showCreateNewBranch" :class="{active: active == filteredItems.length}" :ref="'listItem' + filteredItems.length">
<div v-for="(item, index) in filteredItems" :key="item.name" class="item" :class="{selected: item.selected, active: active === index}" @click="selectItem(item)" :ref="'listItem' + index">${ item.name }</div>
<div class="item" v-if="showCreateNewBranch" :class="{active: active === filteredItems.length}" :ref="'listItem' + filteredItems.length">
<a href="#" @click="createNewBranch()">
<div v-show="createTag">
<i class="reference tags icon"></i>
{{.root.locale.Tr "repo.tag.create_tag" `${ searchTerm }` | Safe}}
<span v-html="textCreateTag.replace('%s', searchTerm)"></span>
</div>
<div v-show="!createTag">
{{svg "octicon-git-branch"}}
{{.root.locale.Tr "repo.branch.create_branch" `${ searchTerm }` | Safe}}
<span v-html="textCreateBranch.replace('%s', searchTerm)"></span>
</div>
<div class="text small">
{{if or .root.IsViewBranch $release}}
{{.root.locale.Tr "repo.branch.create_from" .root.BranchName}}
{{else if .root.IsViewTag}}
{{.root.locale.Tr "repo.branch.create_from" .root.TagName}}
{{else}}
{{.root.locale.Tr "repo.branch.create_from" (ShortSha .root.CommitID)}}
{{end}}
<span v-if="isViewBranch || release">${ textCreateBranchFrom.replace('%s', branchName) }</span>
<span v-else-if="isViewTag">${ textCreateBranchFrom.replace('%s', tagName) }</span>
<span v-else>${ textCreateBranchFrom.replace('%s', commitIdShort) }</span>
</div>
</a>
<form ref="newBranchForm" action="{{.root.RepoLink}}/branches/_new/{{.root.BranchNameSubURL}}" method="post">
{{.root.CsrfTokenHtml}}
<input type="hidden" name="_csrf" :value="csrfToken">
<input type="hidden" name="new_branch_name" v-model="searchTerm">
<input type="hidden" name="create_tag" v-model="createTag">
{{if $.root.TreePath}}
<input type="hidden" name="current_path" value="{{.root.TreePath}}">
{{end}}
<input type="hidden" name="current_path" v-model="treePath" v-if="treePath">
</form>
</div>
</div>
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8 changes: 4 additions & 4 deletions templates/repo/commit_page.tmpl
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Original file line number Diff line number Diff line change
Expand Up @@ -52,24 +52,24 @@
data-modal-cherry-pick-type="revert"
data-modal-cherry-pick-header="{{$.locale.Tr "repo.commit.revert-header" (ShortSha .CommitID)}}"
data-modal-cherry-pick-content="{{$.locale.Tr "repo.commit.revert-content"}}"
data-modal-cherry-pick-submit="{{.locale.Tr "repo.commit.revert"}}">{{.locale.Tr "repo.commit.revert"}}</a></div>
data-modal-cherry-pick-submit="{{.locale.Tr "repo.commit.revert"}}">{{.locale.Tr "repo.commit.revert"}}</div>
<div class="item cherry-pick-button show-modal"
data-modal="#cherry-pick-modal"
data-modal-cherry-pick-type="cherry-pick"
data-modal-cherry-pick-header="{{$.locale.Tr "repo.commit.cherry-pick-header" (ShortSha .CommitID)}}"
data-modal-cherry-pick-content="{{$.locale.Tr "repo.commit.cherry-pick-content"}}"
data-modal-cherry-pick-submit="{{.locale.Tr "repo.commit.cherry-pick"}}">{{.locale.Tr "repo.commit.cherry-pick"}}</a></div>
data-modal-cherry-pick-submit="{{.locale.Tr "repo.commit.cherry-pick"}}">{{.locale.Tr "repo.commit.cherry-pick"}}</div>
<div class="ui basic modal" id="cherry-pick-modal">
<div class="ui icon header">
<span id="cherry-pick-header"></span>
</div>
<div class="content center">
<p id="cherry-pick-content" class="branch-dropdown"></p>
{{template "repo/branch_dropdown" dict "root" .
"noTag" "true" "canCreateBranch" "false"
"noTag" true "disableCreateBranch" true
"branchForm" "branch-dropdown-form"
"branchURLPrefix" (printf "%s/_cherrypick/%s/" $.RepoLink .CommitID) "branchURLSuffix" ""
"setAction" "true" "submitForm" "true"}}
"setAction" true "submitForm" true}}
<form method="GET" action="{{$.RepoLink}}/_cherrypick/{{.CommitID}}/{{if $.BranchName}}{{PathEscapeSegments $.BranchName}}{{else}}{{PathEscapeSegments $.Repository.DefaultBranch}}{{end}}" id="branch-dropdown-form">
<input type="hidden" name="ref" value="{{if $.BranchName}}{{$.BranchName}}{{else}}{{$.Repository.DefaultBranch}}{{end}}">
<input type="hidden" name="refType" value="branch">
Expand Down
67 changes: 27 additions & 40 deletions web_src/js/components/RepoBranchTagDropdown.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -3,43 +3,41 @@ import $ from 'jquery';
import {vueDelimiters} from './VueComponentLoader.js';

export function initRepoBranchTagDropdown(selector) {
$(selector).each(function () {
const $dropdown = $(this);
const $data = $dropdown.find('.data');
$(selector).each(function (dropdownIndex, elRoot) {
const data = {
csrfToken: window.config.csrfToken,
items: [],
mode: $data.data('mode'),
searchTerm: '',
refName: '',
noResults: '',
canCreateBranch: false,
menuVisible: false,
createTag: false,
release: null,

isViewTag: false,
isViewBranch: false,
isViewTree: false,

active: 0,
branchForm: '',
branchURLPrefix: '',
branchURLSuffix: '',
tagURLPrefix: '',
tagURLSuffix: '',
setAction: false,
submitForm: false,

...window.config.pageData.branchDropdownDataList[dropdownIndex],
};
$data.find('.item').each(function () {
data.items.push({
name: $(this).text(),
url: $(this).data('url'),
branch: $(this).hasClass('branch'),
tag: $(this).hasClass('tag'),
selected: $(this).hasClass('selected')
});
});
$data.remove();

// eslint-disable-next-line unicorn/no-this-assignment
const elRoot = this;
// the "data.defaultBranch" is ambiguous, it could be "branch name" or "tag name"

if (data.showBranchesInDropdown && data.branches) {
for (const branch of data.branches) {
data.items.push({name: branch, url: branch, branch: true, tag: false, selected: branch === data.defaultBranch});
}
}
if (!data.noTag && data.tags) {
for (const tag of data.tags) {
if (data.release) {
data.items.push({name: tag, url: tag, branch: false, tag: true, selected: tag === data.release.tagName});
} else {
data.items.push({name: tag, url: tag, branch: false, tag: true, selected: tag === data.defaultBranch});
}
}
}

const view = createApp({
delimiters: vueDelimiters,
data() {
Expand All @@ -60,7 +58,7 @@ export function initRepoBranchTagDropdown(selector) {
return this.filteredItems.length === 0 && !this.showCreateNewBranch;
},
showCreateNewBranch() {
if (!this.canCreateBranch || !this.searchTerm) {
if (this.disableCreateBranch || !this.searchTerm) {
return false;
}

Expand All @@ -77,10 +75,7 @@ export function initRepoBranchTagDropdown(selector) {
},

beforeMount() {
this.noResults = elRoot.getAttribute('data-no-results');
this.canCreateBranch = elRoot.getAttribute('data-can-create-branch') === 'true';
this.branchForm = elRoot.getAttribute('data-branch-form');
switch (elRoot.getAttribute('data-view-type')) {
switch (data.viewType) {
case 'tree':
this.isViewTree = true;
break;
Expand All @@ -91,14 +86,6 @@ export function initRepoBranchTagDropdown(selector) {
this.isViewBranch = true;
break;
}
this.refName = elRoot.getAttribute('data-ref-name');
this.branchURLPrefix = elRoot.getAttribute('data-branch-url-prefix');
this.branchURLSuffix = elRoot.getAttribute('data-branch-url-suffix');
this.tagURLPrefix = elRoot.getAttribute('data-tag-url-prefix');
this.tagURLSuffix = elRoot.getAttribute('data-tag-url-suffix');
this.setAction = elRoot.getAttribute('data-set-action') === 'true';
this.submitForm = elRoot.getAttribute('data-submit-form') === 'true';


document.body.addEventListener('click', (event) => {
if (elRoot.contains(event.target)) return;
Expand All @@ -116,7 +103,7 @@ export function initRepoBranchTagDropdown(selector) {
}
item.selected = true;
const url = (item.tag) ? this.tagURLPrefix + item.url + this.tagURLSuffix : this.branchURLPrefix + item.url + this.branchURLSuffix;
if (this.branchForm === '') {
if (!this.branchForm) {
window.location.href = url;
} else {
this.isViewTree = false;
Expand Down
2 changes: 1 addition & 1 deletion web_src/js/features/repo-legacy.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -485,7 +485,7 @@ export function initRepository() {
// File list and commits
if ($('.repository.file.list').length > 0 || $('.branch-dropdown').length > 0 ||
$('.repository.commits').length > 0 || $('.repository.release').length > 0) {
initRepoBranchTagDropdown('.choose.reference .dropdown');
initRepoBranchTagDropdown('.choose.reference .ui.dropdown');
}

// Wiki
Expand Down

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