(js) New images viewer for Mail module

NEWS

@@ -2,7 +2,7 @@
 ------------------
 
 New features
- -
+ - [web] new images viewer in Mail module
 
 Enhancements
  - [core] now possible to {un}subscribe to folders using sogo-tool

UI/Templates/MailPartViewers/UIxMailPartLinkViewer.wox

@@ -6,7 +6,7 @@
   xmlns:label="OGo:label">
   <md-card>
     <md-card-content>
-      <p class="md-caption" var:title="filenameForDisplay">
+      <p class="md-caption sg-attachment-name" var:title="filenameForDisplay">
         <var:if condition="preferredPathExtension.length"><span class="sg-label-outline"><var:string value="preferredPathExtension"/></span></var:if>
         <var:string value="filenameForDisplay"/>
       </p>

UI/Templates/MailerUI/UIxMailViewTemplate.wox

@@ -267,7 +267,7 @@
                   <div class="md-flex sg-mail-part"
                        ng-if="::part.compile"
                        sg-compile="part.content"
-                       sg-zoomable-image="sg-zoomable-image"><!-- angular-friendly msg --></div>
+                       sg-zoomable-image="$index"><!-- angular-friendly msg --></div>
                 </div>
               </div>
             </div>

UI/WebServerResources/js/Mailer/MessageController.js

@@ -6,13 +6,16 @@
   /**
    * @ngInject
    */
-  MessageController.$inject = ['$window', '$scope', '$state', '$mdMedia', '$mdDialog', 'sgConstant', 'stateAccounts', 'stateAccount', 'stateMailbox', 'stateMessage', 'sgHotkeys', 'encodeUriFilter', 'sgSettings', 'sgFocus', 'Dialog', 'Calendar', 'Component', 'Account', 'Mailbox', 'Message'];
+  MessageController.$inject = ['$window', '$scope', '$state', '$mdMedia', '$mdDialog', 'sgConstant', 'stateAccounts', 'stateAccount', 'stateMailbox', 'stateMessage', 'sgHotkeys', 'encodeUriFilter', 'sgSettings', 'ImageGallery', 'sgFocus', 'Dialog', 'Calendar', 'Component', 'Account', 'Mailbox', 'Message'];
-  function MessageController($window, $scope, $state, $mdMedia, $mdDialog, sgConstant, stateAccounts, stateAccount, stateMailbox, stateMessage, sgHotkeys, encodeUriFilter, sgSettings, focus, Dialog, Calendar, Component, Account, Mailbox, Message) {
+  function MessageController($window, $scope, $state, $mdMedia, $mdDialog, sgConstant, stateAccounts, stateAccount, stateMailbox, stateMessage, sgHotkeys, encodeUriFilter, sgSettings, ImageGallery, focus, Dialog, Calendar, Component, Account, Mailbox, Message) {
     var vm = this, popupWindow = null, hotkeys = [];
 
     // Expose controller
     $window.$messageController = vm;
 
+    // Initialize image gallery service
+    ImageGallery.setMessage(stateMessage);
+
     vm.$state = $state;
     vm.accounts = stateAccounts;
     vm.account = stateAccount;
@@ -424,8 +427,8 @@
       });
     }
   }
-  
+
   angular
-    .module('SOGo.MailerUI')  
+    .module('SOGo.MailerUI')
-    .controller('MessageController', MessageController);                                    
+    .controller('MessageController', MessageController);
 })();

UI/WebServerResources/js/Mailer/sgZoomableImage.directive.js

@@ -1,16 +1,17 @@
 /* -*- Mode: javascript; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 
 (function() {
+  /* jshint validthis: true */
   'use strict';
 
   /*
-   * sgZoomableImage - Toggle the 'sg-zoom' class when clicking on the image inside the container.
+   * sgZoomableImage - Show the image fullscreen when clicking on the image inside the container.
    * @memberof SOGo.MailerUI
    * @restrict attribute
    * @ngInject
    * @example:
 
-   <div sg-zoomable-image="sg-zoomable-image">
+   <div sg-zoomable-image="$index">
      <md-card>
        <img src="foo.png">
      </md-card>
@@ -19,22 +20,53 @@
   function sgZoomableImage() {
     return {
       restrict: 'A',
-      link: link
+      bindToController: {
+        partIndex: '=sgZoomableImage'
+      },
+      controller: sgZoomableImageController
     };
 
     function link(scope, iElement, attrs, ctrl) {
       var parentNode = iElement.parent(),
-          toggleClass;
+          imgElement, showImage, toggleClass;
+
+      imgElement = iElement.find('img');
 
       toggleClass = function(event) {
         if (event.target.tagName == 'IMG')
           parentNode.toggleClass('sg-zoom');
       };
 
-      iElement.on('click', toggleClass);
+      showImage = function(event) {
+        if (event.target.tagName == 'IMG')
+          ctrl.showGallery(event, imgElement[0].src);
+      };
+
+      if (imgElement.length)
+        ctrl.addImage(imgElement[0].src);
+
+      iElement.on('click', showImage);
     }
   }
 
+  /**
+   * @ngInject
+   */
+  sgZoomableImageController.$inject = ['$element', 'ImageGallery'];
+  function sgZoomableImageController($element, ImageGallery) {
+    var $ctrl = this;
+
+    this.$postLink = function() {
+      ImageGallery.registerImage($element);
+      $element.on('click', this.showImage);
+    };
+
+    this.showImage = function($event) {
+      if ($event.target.tagName == 'IMG')
+        ImageGallery.showGallery($event, $ctrl.partIndex);
+    };
+  }
+
   angular
     .module('SOGo.MailerUI')
     .directive('sgZoomableImage', sgZoomableImage);

UI/WebServerResources/scss/components/imagegallery/imagegallery.scss

@@ -0,0 +1,63 @@
+/// imagegallery.scss -*- Mode: scss; indent-tabs-mode: nil; basic-offset: 2 -*-
+
+$imagegallery_thumbnail_size: 100px;
+
+body.sg-image-gallery-backdrop .md-panel._md-opaque-enter {
+  opacity: .88;
+}
+
+sg-image-gallery,
+sg-image-gallery md-icon {
+  color: white;
+}
+
+sg-image-gallery {
+  position: absolute;
+  left: 0;
+  right: 0;
+  top: 0;
+  bottom: 0;
+  [role="button"] {
+    cursor: pointer;
+  }
+  .sg-image {
+    max-height: 80vh;
+    max-width: 90vh;
+  }
+  .sg-image-thumbnails {
+    align-self: center;
+    display: flex;
+    max-width: 100%;
+    overflow: hidden;
+    overflow-x: auto;
+  }
+  .sg-image-thumbnail {
+    position: relative;
+    width: $imagegallery_thumbnail_size;
+    height: $imagegallery_thumbnail_size;
+    margin: 1em 2em 1em 0;
+    min-width: $imagegallery_thumbnail_size;
+    overflow: hidden;
+    img {
+      position: absolute;
+      left: 50%;
+      opacity: 0.8;
+      top: 50%;
+      height: 100%;
+      width: auto;
+      transform: translate(-50%,-50%);
+      transition: opacity $material-enter-duration $material-enter-timing-function;
+      &:hover {
+        opacity: 1.0;
+      }
+      &.portrait {
+        height: auto;
+        width: 100%;
+      }
+      &.sg-hide {
+        opacity: 0;
+        transition: opacity $material-enter-duration $material-enter-timing-function;
+      }
+    }
+  }
+}

UI/WebServerResources/scss/core/angular.scss

@@ -3,4 +3,8 @@
 // ngCloak directive
 [ng\:cloak], [ng-cloak], [data-ng-cloak], [x-ng-cloak], .ng-cloak, .x-ng-cloak {
   display: none !important;
-}
+}
+
+.sg-hide {
+  opacity: 0;
+}

UI/WebServerResources/scss/styles.scss

@@ -69,6 +69,7 @@
 @import 'components/draggable-droppable/draggable';
 @import 'components/draggable-droppable/droppable';
 @import 'components/hotkeys/hotkeys';
+@import 'components/imagegallery/imagegallery';
 @import 'components/ripple/ripple';
 @import 'components/timepicker/timepicker';
 @import 'components/pseudo-input/pseudo-input';

UI/WebServerResources/scss/views/MailerUI.scss

@@ -211,6 +211,10 @@ md-sidenav {
   max-width: 100%;
 }
 
+.sg-attachment-name {
+  word-break: break-word;
+}
+
 .sg-attachment-size {
   @extend .md-caption;
   padding-left: $baseline-grid;