Issue/PR Context Popups (#9822)

* Add data-index attribute to issue anchors

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Init JS

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Add required data to anchor

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Finish popup

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Revert changes to html.go

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Better octicon contexts

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Split out popup function for re-use

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Style changes, test fixes, and cross-reference support

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Prefer em to px

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Move label margin to base CSS

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Move JS to separate file.

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Move JS to features and fix module

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Remove query-string and hash

Co-Authored-By: silverwind <me@silverwind.io>

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: Antoine GIRARD <sapk@users.noreply.github.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: zeripath <art27@cantab.net>

4 files changed, 94 insertions, 0 deletions

diff --git a/web_src/js/features/contextPopup.js b/web_src/js/features/contextPopup.js
new file mode 100644
index 0000000000..90b8493666
--- /dev/null
+++ b/web_src/js/features/contextPopup.js
@@ -0,0 +1,66 @@
+export default function initContextPopups(suburl) {
+  const refIssues = $('.ref-issue');
+  if (!refIssues.length) return;
+
+  refIssues.each(function () {
+    const [index, _issues, repo, owner] = $(this).attr('href').replace(/[#?].*$/, '').split('/').reverse();
+    issuePopup(suburl, owner, repo, index, $(this));
+  });
+}
+
+function issuePopup(suburl, owner, repo, index, $element) {
+  $.get(`${suburl}/api/v1/repos/${owner}/${repo}/issues/${index}`, (issue) => {
+    const createdAt = new Date(issue.created_at).toLocaleDateString(undefined, { year: 'numeric', month: 'short', day: 'numeric' });
+
+    let body = issue.body.replace(/\n+/g, ' ');
+    if (body.length > 85) {
+      body = `${body.substring(0, 85)}...`;
+    }
+
+    let labels = '';
+    for (let i = 0; i < issue.labels.length; i++) {
+      const label = issue.labels[i];
+      const red = parseInt(label.color.substring(0, 2), 16);
+      const green = parseInt(label.color.substring(2, 4), 16);
+      const blue = parseInt(label.color.substring(4, 6), 16);
+      let color = '#ffffff';
+      if ((red * 0.299 + green * 0.587 + blue * 0.114) > 125) {
+        color = '#000000';
+      }
+      labels += `<div class="ui label" style="color: ${color}; background-color:#${label.color};">${label.name}</div>`;
+    }
+    if (labels.length > 0) {
+      labels = `<p>${labels}</p>`;
+    }
+
+    let octicon;
+    if (issue.pull_request !== null) {
+      if (issue.state === 'open') {
+        octicon = 'green octicon-git-pull-request'; // Open PR
+      } else if (issue.pull_request.merged === true) {
+        octicon = 'purple octicon-git-merge'; // Merged PR
+      } else {
+        octicon = 'red octicon-git-pull-request'; // Closed PR
+      }
+    } else if (issue.state === 'open') {
+      octicon = 'green octicon-issue-opened'; // Open Issue
+    } else {
+      octicon = 'red octicon-issue-closed'; // Closed Issue
+    }
+
+    $element.popup({
+      variation: 'wide',
+      delay: {
+        show: 250
+      },
+      html: `
+<div>
+  <p><small>${issue.repository.full_name} on ${createdAt}</small></p>
+  <p><i class="octicon ${octicon}"></i> <strong>${issue.title}</strong> #${index}</p>
+  <p>${body}</p>
+  ${labels}
+</div>
+`
+    });
+  });
+}
diff --git a/web_src/js/index.js b/web_src/js/index.js
index 619ca74e52..9168e7a943 100644
--- a/web_src/js/index.js
+++ b/web_src/js/index.js
@@ -5,6 +5,7 @@
 import './publicPath.js';
 import './gitGraphLoader.js';
 import './semanticDropdown.js';
+import initContextPopups from './features/contextPopup';
 
 function htmlEncode(text) {
   return jQuery('<div />').text(text).html();
@@ -2556,6 +2557,7 @@ $(document).ready(() => {
   initPullRequestReview();
   initRepoStatusChecker();
   initTemplateSearch();
+  initContextPopups(suburl);
 
   // Repo clone url.
   if ($('#repo-clone-url').length > 0) {
diff --git a/web_src/less/_base.less b/web_src/less/_base.less
index 068b9e8144..f34cb71013 100644
--- a/web_src/less/_base.less
+++ b/web_src/less/_base.less
@@ -1185,3 +1185,19 @@ i.icon.centerlock {
     vertical-align: middle;
     height: 2.1666em !important;
 }
+
+.octicon {
+    &.green {
+        color: #21ba45;
+    }
+    &.red {
+        color: #db2828;
+    }
+    &.purple {
+        color: #a333c8;
+    }
+}
+
+.ui.popup .ui.label {
+    margin-bottom: 0.4em;
+}
diff --git a/web_src/less/themes/arc-green.less b/web_src/less/themes/arc-green.less
index 69e8963fbb..5aa7c8f2c5 100644
--- a/web_src/less/themes/arc-green.less
+++ b/web_src/less/themes/arc-green.less
@@ -1463,3 +1463,13 @@ a.ui.labels .label:hover {
         }
     }
 }
+
+.ui.popup {
+    background-color: #383c4a;
+    color: #9e9e9e;
+    border-color: #9e9e9e;
+
+    &.top::before {
+        background-color: #383c4a;
+    }
+}