Add avatar crop popup

.eslintrc.js

@@ -10,8 +10,14 @@ module.exports = {
   plugins: [
     'html'
   ],
+  globals: {
+    'FileReader': false,
+    'Element': false,
+    'FormData': false,
+    'XMLHttpRequest': false
+  },
   // add your custom rules here
-  'rules': {
+  rules: {
     // allow paren-less arrow functions
     'arrow-parens': 0,
     // allow async-await

package.json

@@ -17,6 +17,7 @@
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-plugin-lodash": "^3.2.11",
     "chromatism": "^3.0.0",
+    "cropperjs": "^1.4.3",
     "diff": "^3.0.1",
     "karma-mocha-reporter": "^2.2.1",
     "localforage": "^1.5.0",

src/components/image_cropper/image_cropper.js

@@ -0,0 +1,88 @@
+import Cropper from 'cropperjs'
+import Modal from '../modal/modal.vue'
+import 'cropperjs/dist/cropper.css'
+
+const ImageCropper = {
+  props: {
+    trigger: {
+      type: [String, Element],
+      required: true
+    },
+    cropperOptions: {
+      type: Object,
+      default () {
+        return {
+          aspectRatio: 1,
+          autoCropArea: 1,
+          viewMode: 1,
+          movable: false,
+          zoomable: false,
+          guides: false
+        }
+      }
+    },
+    mimes: {
+      type: String,
+      default: 'image/png, image/gif, image/jpeg, image/bmp, image/x-icon'
+    },
+    title: {
+      type: String,
+      default: 'Crop picture'
+    },
+    saveButtonLabel: {
+      type: String,
+      default: 'Save'
+    }
+  },
+  data () {
+    return {
+      cropper: undefined,
+      dataUrl: undefined,
+      filename: undefined
+    }
+  },
+  components: {
+    Modal
+  },
+  methods: {
+    destroy () {
+      this.cropper.destroy()
+      this.$refs.input.value = ''
+      this.dataUrl = undefined
+    },
+    submit () {
+      this.$emit('submit', this.cropper, this.filename)
+      this.destroy()
+    },
+    pickImage () {
+      this.$refs.input.click()
+    },
+    createCropper () {
+      this.cropper = new Cropper(this.$refs.img, this.cropperOptions)
+    }
+  },
+  mounted () {
+    // listen for click event on trigger
+    let trigger = typeof this.trigger === 'object' ? this.trigger : document.querySelector(this.trigger)
+    if (!trigger) {
+      this.$emit('error', 'No image make trigger found.', 'user')
+    } else {
+      trigger.addEventListener('click', this.pickImage)
+    }
+    // listen for input file changes
+    let fileInput = this.$refs.input
+    fileInput.addEventListener('change', () => {
+      if (fileInput.files != null && fileInput.files[0] != null) {
+        let reader = new FileReader()
+        reader.onload = (e) => {
+          this.dataUrl = e.target.result
+        }
+        reader.readAsDataURL(fileInput.files[0])
+        this.filename = fileInput.files[0].name || 'unknown'
+        this.$emit('changed', fileInput.files[0], reader)
+      }
+    })
+  }
+}
+
+export default ImageCropper

src/components/image_cropper/image_cropper.vue

@@ -0,0 +1,39 @@
+<template>
+  <div class="image-cropper">
+    <modal :show="dataUrl" :title="title" @close="destroy">
+      <div class="modal-body">
+        <div class="image-cropper-image-container">
+          <img ref="img" :src="dataUrl" alt="" @load.stop="createCropper" />
+        </div>
+      </div>
+      <div class="modal-footer">
+        <button class="btn image-cropper-btn" type="button" @click="submit" v-text="saveButtonLabel"></button>
+      </div>
+    </modal>
+    <input ref="input" type="file" class="image-cropper-img-input" :accept="mimes">
+  </div>
+</template>
+
+<script src="./image_cropper.js"></script>
+
+<style lang="scss">
+.image-cropper {
+  &-img-input {
+    display: none;
+  }
+
+  &-image-container {
+    position: relative;
+
+    img {
+      display: block;
+      max-width: 100%;
+    }
+  }
+
+  &-btn {
+    display: block;
+    width: 100%;
+  }
+}
+</style>

src/components/modal/modal.js

@@ -0,0 +1,17 @@
+const Modal = {
+  props: ['show', 'title'],
+  methods: {
+    close: function () {
+      this.$emit('close')
+    }
+  },
+  mounted: function () {
+    document.addEventListener('keydown', (e) => {
+      if (this.show && e.keyCode === 27) {
+        this.close()
+      }
+    })
+  }
+}
+
+export default Modal

src/components/modal/modal.vue

@@ -0,0 +1,101 @@
+<template>
+  <transition name="modal">
+    <div class="modal-mask" @click="close" v-if="show">
+      <div class="modal-container" @click.stop>
+        <div class="modal-header">
+          <h3 class="modal-title">{{title}}</h3>
+        </div>
+        <slot></slot>
+        <a class="modal-close" @click="close"><i class="icon-cancel"></i></a>
+      </div>
+    </div>
+  </transition>
+</template>
+
+<script src="./modal.js"></script>
+
+<style lang="scss">
+.modal-mask {
+  position: fixed;
+  z-index: 9998;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(27,31,35,.5);
+  transition: opacity .3s ease;
+}
+
+.modal-container {
+  position: relative;
+  display: flex;
+  flex-direction: column;
+  width: 450px;
+  margin: 10vh auto;
+  max-height: 80vh;
+  max-width: 90vw;
+  background-color: #fff;
+  border: 1px solid #444d56;
+  border-radius: 3px;
+  box-shadow: 0 0 18px rgba(0,0,0,.4);
+  transition: all .3s ease;
+}
+
+.modal-header {
+  flex: none;
+  background-color: #f6f8fa;
+  border-bottom: 1px solid #d1d5da;
+  border-top-left-radius: 2px;
+  border-top-right-radius: 2px;
+  padding: 16px;
+  margin: 0;
+}
+
+h3.modal-title {
+  font-size: 14px;
+  font-weight: 600;
+  color: #24292e;
+  margin: 0;
+}
+
+.modal-close {
+  position: absolute;
+  top: 0;
+  right: 0;
+  padding: 16px;
+  cursor: pointer;
+}
+
+.modal-body {
+  border-bottom: 1px solid #e1e4e8;
+  padding: 16px;
+  overflow-y: auto;
+}
+
+.modal-footer {
+  flex: none;
+  border-top: 1px solid #e1e4e8;
+  margin-top: -1px;
+  padding: 16px;
+}
+
+/*
+ * The following styles are auto-applied to elements with
+ * transition="modal" when their visibility is toggled
+ * by Vue.js.
+ */
+
+.modal-enter {
+  opacity: 0;
+}
+
+.modal-leave-active {
+  opacity: 0;
+}
+
+.modal-enter .modal-container,
+.modal-leave-active .modal-container {
+  -webkit-transform: scale(1.1);
+  transform: scale(1.1);
+}
+</style>

src/components/settings/settings.vue

@@ -311,20 +311,6 @@
     color: $fallback--cRed;
   }
 
-  .old-avatar {
-    width: 128px;
-    border-radius: $fallback--avatarRadius;
-    border-radius: var(--avatarRadius, $fallback--avatarRadius);
-  }
-
-  .new-avatar {
-    object-fit: cover;
-    width: 128px;
-    height: 128px;
-    border-radius: $fallback--avatarRadius;
-    border-radius: var(--avatarRadius, $fallback--avatarRadius);
-  }
-
   .btn {
     min-height: 28px;
     min-width: 10em;

src/components/user_settings/user_settings.js

@@ -1,6 +1,7 @@
 import { unescape } from 'lodash'
 
 import TabSwitcher from '../tab_switcher/tab_switcher.js'
+import ImageCropper from '../image_cropper/image_cropper.vue'
 import StyleSwitcher from '../style_switcher/style_switcher.vue'
 import fileSizeFormatService from '../../services/file_size_format/file_size_format.js'
 
@@ -24,7 +25,6 @@ const UserSettings = {
       bannerUploading: false,
       backgroundUploading: false,
       followListUploading: false,
-      avatarPreview: null,
       bannerPreview: null,
       backgroundPreview: null,
       avatarUploadError: null,
@@ -41,7 +41,8 @@ const UserSettings = {
   },
   components: {
     StyleSwitcher,
-    TabSwitcher
+    TabSwitcher,
+    ImageCropper
   },
   computed: {
     user () {
@@ -117,31 +118,13 @@ const UserSettings = {
       }
       reader.readAsDataURL(file)
     },
-    submitAvatar () {
-      if (!this.avatarPreview) { return }
-
-      let img = this.avatarPreview
-      // eslint-disable-next-line no-undef
-      let imginfo = new Image()
-      let cropX, cropY, cropW, cropH
-      imginfo.src = img
-      if (imginfo.height > imginfo.width) {
-        cropX = 0
-        cropW = imginfo.width
-        cropY = Math.floor((imginfo.height - imginfo.width) / 2)
-        cropH = imginfo.width
-      } else {
-        cropY = 0
-        cropH = imginfo.height
-        cropX = Math.floor((imginfo.width - imginfo.height) / 2)
-        cropW = imginfo.height
-      }
+    submitAvatar (cropper) {
+      const img = cropper.getCroppedCanvas({ width: 150, height: 150 }).toDataURL('image/jpeg')
       this.avatarUploading = true
-      this.$store.state.api.backendInteractor.updateAvatar({params: {img, cropX, cropY, cropW, cropH}}).then((user) => {
+      this.$store.state.api.backendInteractor.updateAvatar({ params: { img } }).then((user) => {
         if (!user.error) {
           this.$store.commit('addNewUsers', [user])
           this.$store.commit('setCurrentUser', user)
-          this.avatarPreview = null
         } else {
           this.avatarUploadError = this.$t('upload.error.base') + user.error
         }

src/components/user_settings/user_settings.vue

@@ -47,20 +47,20 @@
           <div class="setting-item">
             <h2>{{$t('settings.avatar')}}</h2>
             <p class="visibility-notice">{{$t('settings.avatar_size_instruction')}}</p>
-            <p>{{$t('settings.current_avatar')}}</p>
-            <img :src="user.profile_image_url_original" class="old-avatar"></img>
-            <p>{{$t('settings.set_new_avatar')}}</p>
-            <img class="new-avatar" v-bind:src="avatarPreview" v-if="avatarPreview">
-            </img>
-            <div>
-              <input type="file" @change="uploadFile('avatar', $event)" ></input>
+            <div class="avatar-upload-wrapper">
+              <div class="avatar-upload">
+                <img :src="user.profile_image_url_original" class="avatar" />
+                <div class="avatar-upload-loading-wrapper" v-if="avatarUploading">
+                  <i class="icon-spin4 animate-spin"></i>
                 </div>
-            <i class="icon-spin4 animate-spin" v-if="avatarUploading"></i>
-            <button class="btn btn-default" v-else-if="avatarPreview" @click="submitAvatar">{{$t('general.submit')}}</button>
-            <div class='alert error' v-if="avatarUploadError">
+              </div>
+            </div>
+            <button class="btn" type="button" id="pick-avatar" :disabled="avatarUploading">{{$t('settings.set_new_avatar')}}</button>
+            <div class="alert error" v-if="avatarUploadError">
               Error: {{ avatarUploadError }}
               <i class="button-icon icon-cancel" @click="clearUploadError('avatar')"></i>
             </div>
+            <image-cropper trigger="#pick-avatar" :title="$t('settings.crop_your_new_avatar')" :saveButtonLabel="$t('settings.set_new_avatar')" @submit="submitAvatar" />
           </div>
           <div class="setting-item">
             <h2>{{$t('settings.profile_banner')}}</h2>
@@ -167,6 +167,8 @@
 </script>
 
 <style lang="scss">
+@import '../../_variables.scss';
+
 .profile-edit {
   .bio {
     margin: 0;
@@ -193,5 +195,35 @@
   .bg {
     max-width: 100%;
   }
+
+  .avatar-upload {
+    display: inline-block;
+    position: relative;
+  }
+
+  .avatar-upload-loading-wrapper {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    background: rgba(0,0,0,.3);
+
+    i {
+      font-size: 50px;
+      color: #FFF;
+    }
+  }
+
+  .avatar {
+    display: block;
+    width: 150px;
+    height: 150px;
+    border-radius: $fallback--avatarRadius;
+    border-radius: var(--avatarRadius, $fallback--avatarRadius);
+  }
 }
 </style>

src/i18n/en.json

@@ -112,7 +112,7 @@
     "collapse_subject": "Collapse posts with subjects",
     "composing": "Composing",
     "confirm_new_password": "Confirm new password",
-    "current_avatar": "Your current avatar",
+    "crop_your_new_avatar": "Crop your new avatar",
     "current_password": "Current password",
     "current_profile_banner": "Your current profile banner",
     "data_import_export_tab": "Data Import / Export",