client/posts: add expanders to edit sidebar

client/css/main.styl

@@ -222,3 +222,23 @@ a .access-key
 [data-pseudo-content]:before {
     content: attr(data-pseudo-content)
 }
+
+.expander
+    &.collapsed
+        margin-bottom: 1em
+        &>*
+            display: none
+        &>header
+            display: block
+    header
+        background: $active-tab-background-color
+        line-height: 2em
+        a
+            padding: 0 0.5em
+            display: block
+            color: $inactive-link-color
+            i
+                float: right
+                line-height: 2em
+    .expander-content
+        padding: 1em 0.5em

client/css/posts.styl

@@ -303,8 +303,9 @@ $safety-unsafe = #F3985F
             margin-bottom: 0.5em
 
 .post-view .edit-sidebar
-    section
-        margin-bottom: 1em
+    .expander-content
+        section:not(:last-child)
+            margin-bottom: 1em
 
     .safety
         display: flex

client/html/post_edit_sidebar.tpl

@@ -1,86 +1,77 @@
 <div class='edit-sidebar'>
     <form autocomplete='off'>
-        <div class='input'>
-            <% if (ctx.canEditPostSafety) { %>
-                <section class='safety'>
-                    <label>Safety</label>
-                    <%= ctx.makeRadio({
-                        name: 'safety',
-                        class: 'safety-safe',
-                        value: 'safe',
-                        selectedValue: ctx.post.safety,
-                        text: 'Safe'}) %>
-                    <%= ctx.makeRadio({
-                        name: 'safety',
-                        class: 'safety-sketchy',
-                        value: 'sketchy',
-                        selectedValue: ctx.post.safety,
-                        text: 'Sketchy'}) %>
-                    <%= ctx.makeRadio({
-                        name: 'safety',
-                        value: 'unsafe',
-                        selectedValue: ctx.post.safety,
-                        class: 'safety-unsafe',
-                        text: 'Unsafe'}) %>
-                </section>
-            <% } %>
+        <% if (ctx.canEditPostSafety) { %>
+            <section class='safety'>
+                <label>Safety</label>
+                <%= ctx.makeRadio({
+                    name: 'safety',
+                    class: 'safety-safe',
+                    value: 'safe',
+                    selectedValue: ctx.post.safety,
+                    text: 'Safe'}) %>
+                <%= ctx.makeRadio({
+                    name: 'safety',
+                    class: 'safety-sketchy',
+                    value: 'sketchy',
+                    selectedValue: ctx.post.safety,
+                    text: 'Sketchy'}) %>
+                <%= ctx.makeRadio({
+                    name: 'safety',
+                    value: 'unsafe',
+                    selectedValue: ctx.post.safety,
+                    class: 'safety-unsafe',
+                    text: 'Unsafe'}) %>
+            </section>
+        <% } %>
 
-            <% if (ctx.canEditPostRelations) { %>
-                <section class='relations'>
-                    <%= ctx.makeTextInput({
-                        text: 'Relations',
-                        name: 'relations',
-                        placeholder: 'space-separated post IDs',
-                        pattern: '^[0-9 ]*$',
-                        value: ctx.post.relations.map(rel => rel.id).join(' '),
-                    }) %>
-                </section>
-            <% } %>
+        <% if (ctx.canEditPostRelations) { %>
+            <section class='relations'>
+                <%= ctx.makeTextInput({
+                    text: 'Relations',
+                    name: 'relations',
+                    placeholder: 'space-separated post IDs',
+                    pattern: '^[0-9 ]*$',
+                    value: ctx.post.relations.map(rel => rel.id).join(' '),
+                }) %>
+            </section>
+        <% } %>
 
-            <% if (ctx.canEditPostTags) { %>
-                <section class='tags'>
-                    <%= ctx.makeTextInput({
-                        text: 'Tags',
-                        value: ctx.post.tags.join(' '),
-                    }) %>
-                </section>
-            <% } %>
+        <% if (ctx.canEditPostFlags && ctx.post.type === 'video') { %>
+            <section class='flags'>
+                <label>Miscellaneous</label>
+                <%= ctx.makeCheckbox({
+                    text: 'Loop video',
+                    name: 'loop',
+                    checked: ctx.post.flags.includes('loop'),
+                }) %>
+            </section>
+        <% } %>
 
-            <% if (ctx.canEditPostFlags && ctx.post.type === 'video') { %>
-                <section class='flags'>
-                    <label>Miscellaneous</label>
+        <% if (ctx.canEditPostTags) { %>
+            <section class='tags'>
+                <%= ctx.makeTextInput({
+                    value: ctx.post.tags.join(' '),
+                }) %>
+            </section>
+        <% } %>
 
-                    <%= ctx.makeCheckbox({
-                        text: 'Loop video',
-                        name: 'loop',
-                        checked: ctx.post.flags.includes('loop'),
-                    }) %>
-                </section>
-            <% } %>
+        <% if (ctx.canEditPostContent) { %>
+            <section class='post-content'>
+                <label>Content</label>
+                <div class='dropper-container'></div>
+            </section>
+        <% } %>
 
-            <% if (ctx.canEditPostContent) { %>
-                <section class='post-content'>
-                    <label>Content</label>
-
-                    <div class='dropper-container'></div>
-                </section>
-            <% } %>
-
-            <% if (ctx.canEditPostThumbnail) { %>
-                <section class='post-thumbnail'>
-                    <label>Thumbnail</label>
-
-                    <div class='dropper-container'></div>
-
-                    <a>Discard custom thumbnail</a>
-                </section>
-            <% } %>
-        </div>
+        <% if (ctx.canEditPostThumbnail) { %>
+            <section class='post-thumbnail'>
+                <label>Thumbnail</label>
+                <div class='dropper-container'></div>
+                <a>Discard custom thumbnail</a>
+            </section>
+        <% } %>
 
         <div class='messages'></div>
 
-        <div class='buttons'>
-            <input class='encourage' type='submit' value='Submit' class='submit'/>
-        </div>
+        <input type='submit' value='Submit' class='submit'/>
     </form>
 </div>

client/js/controls/expander_control.js

@@ -0,0 +1,86 @@
+'use strict';
+
+const ICON_CLASS_OPENED = 'fa-chevron-down';
+const ICON_CLASS_CLOSED = 'fa-chevron-up';
+
+class ExpanderControl {
+    constructor(title, nodes) {
+        this._title = title;
+
+        nodes = Array.from(nodes).filter(n => n);
+        if (!nodes.length) {
+            return;
+        }
+
+        const expanderNode = document.createElement('section');
+        expanderNode.classList.add('expander');
+
+        const toggleLinkNode = document.createElement('a');
+        const toggleIconNode = document.createElement('i');
+        toggleIconNode.classList.add('fa');
+        toggleLinkNode.textContent = title;
+        toggleLinkNode.appendChild(toggleIconNode);
+        toggleLinkNode.addEventListener('click', e => this._evtToggleClick(e));
+
+        const headerNode = document.createElement('header');
+        headerNode.appendChild(toggleLinkNode);
+        expanderNode.appendChild(headerNode);
+
+        const expanderContentNode = document.createElement('div');
+        expanderContentNode.classList.add('expander-content');
+        expanderNode.appendChild(expanderContentNode);
+
+        nodes[0].parentNode.insertBefore(expanderNode, nodes[0]);
+
+        for (let node of nodes) {
+            expanderContentNode.appendChild(node);
+        }
+
+        this._expanderNode = expanderNode;
+        this._toggleIconNode = toggleIconNode;
+
+        expanderNode.classList.toggle(
+            'collapsed',
+            this._allStates[this._title] === undefined ?
+                false :
+                !this._allStates[this._title]);
+        this._syncIcon();
+    }
+
+    get _isOpened() {
+        return !this._expanderNode.classList.contains('collapsed');
+    }
+
+    get _allStates() {
+        try {
+            return JSON.parse(localStorage.getItem('expander')) || {};
+        } catch (e) {
+            return {};
+        }
+    }
+
+    _save() {
+        const newStates = Object.assign({}, this._allStates);
+        newStates[this._title] = this._isOpened;
+        localStorage.setItem('expander', JSON.stringify(newStates));
+    }
+
+    _evtToggleClick(e) {
+        e.preventDefault();
+        this._expanderNode.classList.toggle('collapsed');
+        this._save();
+        this._syncIcon();
+    }
+
+    _syncIcon() {
+        if (this._isOpened) {
+            this._toggleIconNode.classList.add(ICON_CLASS_OPENED);
+            this._toggleIconNode.classList.remove(ICON_CLASS_CLOSED);
+        } else {
+            this._toggleIconNode.classList.add(ICON_CLASS_CLOSED);
+            this._toggleIconNode.classList.remove(ICON_CLASS_OPENED);
+        }
+    }
+}
+
+module.exports = ExpanderControl;

client/js/controls/post_edit_sidebar_control.js

@@ -5,6 +5,7 @@ const events = require('../events.js');
 const misc = require('../util/misc.js');
 const views = require('../util/views.js');
 const TagInputControl = require('./tag_input_control.js');
+const ExpanderControl = require('../controls/expander_control.js');
 const FileDropperControl = require('../controls/file_dropper_control.js');
 
 const template = views.getTemplate('post-edit-sidebar');
@@ -32,6 +33,16 @@ class PostEditSidebarControl extends events.EventTarget {
             canFeaturePosts: api.hasPrivilege('posts:feature'),
         }));
 
+        new ExpanderControl(
+            'Basic info',
+            this._hostNode.querySelectorAll('.safety, .relations, .flags'));
+        new ExpanderControl(
+            'Tags',
+            this._hostNode.querySelectorAll('.tags'));
+        new ExpanderControl(
+            'Content',
+            this._hostNode.querySelectorAll('.post-content, .post-thumbnail'));
+
         if (this._formNode) {
             this._formNode.addEventListener('submit', e => this._evtSubmit(e));
         }