Improved image serving and uploading. Fixes #7 and #8.

@@ -71,13 +71,18 @@ class ImageController extends Controller
      */
     public function getAll($page = 0)
     {
-        $pageSize = 25;
+        $pageSize = 13;
         $images = DB::table('images')->orderBy('created_at', 'desc')
             ->skip($page*$pageSize)->take($pageSize)->get();
         foreach($images as $image) {
             $image->thumbnail = $this->getThumbnail($image, 150, 150);
         }
-        return response()->json($images);
+        $hasMore = count(DB::table('images')->orderBy('created_at', 'desc')
+            ->skip(($page+1)*$pageSize)->take($pageSize)->get()) > 0;
+        return response()->json([
+            'images' => $images,
+            'hasMore' => $hasMore
+        ]);
     }
 
     /**
@@ -93,18 +98,24 @@ class ImageController extends Controller
         array_splice($explodedPath, 3, 0, ['thumbs-' . $width . '-' . $height]);
         $thumbPath = implode('/', $explodedPath);
         $thumbFilePath = storage_path() . $thumbPath;
+
+        // Return the thumbnail url path if already exists
         if(file_exists($thumbFilePath)) {
             return $thumbPath;
         }
 
-        //dd($thumbFilePath);
+        // Otherwise create the thumbnail
         $thumb = ImageTool::make(storage_path() . $image->url);
         $thumb->fit($width, $height);
+
+        // Create thumbnail folder if it does not exist
         if(!file_exists(dirname($thumbFilePath))) {
             mkdir(dirname($thumbFilePath), 0775, true);
         }
+
+        //Save Thumbnail
         $thumb->save($thumbFilePath);
-        return $thumbFilePath;
+        return $thumbPath;
     }
 
     /**
@@ -130,6 +141,7 @@ class ImageController extends Controller
         $this->image->created_by = Auth::user()->id;
         $this->image->updated_by = Auth::user()->id;
         $this->image->save();
+        $this->image->thumbnail = $this->getThumbnail($this->image, 150, 150);
         return response()->json($this->image);
     }
 

 
+// Dropzone config
+Dropzone.options.imageUploadDropzone = {
+    uploadMultiple: false,
+    previewsContainer: '.image-manager-display .uploads',
+    init: function() {
+        this.on('success', function(event, image) {
+            $('.image-manager-display .uploads').empty();
+            var newImage = $('<img />').attr('data-image-id', image.id);
+            newImage.attr('title', image.name).attr('src', image.thumbnail);
+            newImage.data('imageData', image);
+            $('.image-manager-display .uploads').after(newImage);
+        });
+    }
+};
+
 (function() {
 
     var isInit = false;
@@ -6,6 +21,9 @@
     var overlay;
     var display;
     var imageIndexUrl = '/images/all';
+    var pageIndex = 0;
+    var hasMore = true;
+    var isGettingImages = true;
 
     var ImageManager =  {};
     var action = false;
@@ -22,23 +40,48 @@
     };
 
     ImageManager.init = function(selector) {
-        console.log('cat');
         elem = $(selector);
         overlay = elem.closest('.overlay');
-        display = elem.find('.image-manager-display').first()
-
+        display = elem.find('.image-manager-display').first();
+        var uploads = display.find('.uploads');
+        var images = display.find('images');
+        var loadMore = display.find('.load-more');
         // Get recent images and show
         $.getJSON(imageIndexUrl, showImages);
-        function showImages(images) {
+        function showImages(data) {
+            var images = data.images;
+            hasMore = data.hasMore;
+            pageIndex++;
+            isGettingImages = false;
             for(var i = 0; i < images.length; i++) {
                 var image = images[i];
                 var newImage = $('<img />').attr('data-image-id', image.id);
                 newImage.attr('title', image.name).attr('src', image.thumbnail);
-                display.append(newImage);
+                loadMore.before(newImage);
                 newImage.data('imageData', image);
             }
+            if(hasMore) loadMore.show();
         }
 
+        loadMore.click(function() {
+            loadMore.hide();
+            if(isGettingImages === false) {
+                isGettingImages = true;
+                $.getJSON(imageIndexUrl + '/' + pageIndex, showImages);
+            }
+        });
+
+        // Image grabbing on scroll
+        display.on('scroll', function() {
+            var displayBottom = display.scrollTop() + display.height();
+            var elemTop = loadMore.offset().top;
+            if(elemTop < displayBottom && hasMore && isGettingImages === false) {
+                isGettingImages = true;
+                loadMore.hide();
+                $.getJSON(imageIndexUrl + '/' + pageIndex, showImages);
+            }
+        });
+
         elem.on('dblclick', '.image-manager-display img', function() {
             var imageElem = $(this);
             var imageData = imageElem.data('imageData');
@@ -55,7 +98,7 @@
         // Set up dropzone
         elem.find('.image-manager-dropzone').first().dropzone({
             uploadMultiple: false
-        })
+        });
 
         isInit = true;
     };

+#image-manager {
+  background-color: #EEE;
+  max-width: 90%;
+  max-height: 90%;
+  width: 90%;
+  height: 90%;
+  margin: 2% 5%;
+  //border: 2px solid $primary;
+  border-radius: 4px;
+  box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.3);
+  overflow: hidden;
+  .image-manager-display img {
+    border-radius: 0;
+    float: left;
+    margin: 1px;
+    cursor: pointer;
+  }
+}
+#image-manager .dropzone {
+  display: table;
+  position: absolute;
+  top: 10px;
+  left: 300px;
+  width: 480px;
+  height: 60px;
+  border: 4px dashed $primary;
+  text-align: center;
+  z-index: 900;
+  .dz-message {
+    display: table-cell;
+    vertical-align: middle;
+    color: $primary;
+    font-size: 1.2em;
+  }
+  * {
+    pointer-events: none;
+  }
+}
+.image-manager-left {
+  background-color: #FFF;
+  height: 100%;
+  width: 100%;
+  text-align: left;
+  position: relative;
+  .image-manager-display-wrap {
+    height: 100%;
+    padding-top: 87px;
+    position: absolute;
+    top: 0;width: 100%;
+  }
+  .image-manager-display {
+    height: 100%;
+    width: 100%;
+    text-align: left;
+    overflow-y: scroll;
+  }
+  .image-manager-header {
+    z-index: 50;
+    position: relative;
+  }
+}
+
+#image-manager .load-more {
+  width: 150px;
+  height: 150px;
+  display: none;
+  float: left;
+  text-align: center;
+  background-color: #888;
+  margin: 1px;
+  color: #FFF;
+  line-height: 140px;
+  font-size: 20px;
+  cursor: pointer;
+}
+.image-manager-title {
+  font-size: 2em;
+  text-align: left;
+  margin: 0 $-m;
+  padding: $-xl $-m;
+  color: #666;
+  border-bottom: 1px solid #DDD;
+}
+
+.image-manager-dropzone {
+  background-color: lighten($primary, 40%);
+  height: 25%;
+  text-align: center;
+  font-size: 2em;
+  line-height: 2em;
+  padding-top: $-xl*1.2;
+  color: #666;
+  border-top: 2px solid $primary;
+}
+
+// Dropzone
+/*
+ * The MIT License
+ * Copyright (c) 2012 Matias Meno <m@tias.me>
+ */
+
+@keyframes passing-through {
+  0% {
+    opacity: 0;
+    transform: translateY(40px); }
+  30%, 70% {
+    opacity: 1;
+    transform: translateY(0px); }
+  100% {
+    opacity: 0;
+    transform: translateY(-40px); } }
+
+@keyframes slide-in {
+  0% {
+    opacity: 0;
+    transform: translateY(40px); }
+  30% {
+    opacity: 1;
+    transform: translateY(0px); } }
+@keyframes pulse {
+  0% {
+    -webkit-transform: scale(1);
+    -moz-transform: scale(1);
+    -ms-transform: scale(1);
+    -o-transform: scale(1);
+    transform: scale(1); }
+  10% {
+    -webkit-transform: scale(1.1);
+    -moz-transform: scale(1.1);
+    -ms-transform: scale(1.1);
+    -o-transform: scale(1.1);
+    transform: scale(1.1); }
+  20% {
+    -webkit-transform: scale(1);
+    -moz-transform: scale(1);
+    -ms-transform: scale(1);
+    -o-transform: scale(1);
+    transform: scale(1); } }
+.dropzone, .dropzone * {
+  box-sizing: border-box; }
+
+.dropzone {
+  background: white;
+  padding: 20px 20px; }
+.dropzone.dz-clickable {
+  cursor: pointer; }
+.dropzone.dz-clickable * {
+  cursor: default; }
+.dropzone.dz-clickable .dz-message, .dropzone.dz-clickable .dz-message * {
+  cursor: pointer; }
+.dropzone.dz-started .dz-message {
+  display: none; }
+.dropzone.dz-drag-hover {
+  border-style: solid; }
+.dropzone.dz-drag-hover .dz-message {
+  opacity: 0.5; }
+.dropzone .dz-message {
+  text-align: center;
+  margin: 2em 0; }
+.dz-preview {
+  position: relative;
+  display: inline-block;
+  vertical-align: top;
+  margin: 16px;
+  min-height: 100px; }
+.dz-preview:hover {
+  z-index: 1000; }
+.dz-preview:hover .dz-details {
+  opacity: 1; }
+.dz-preview.dz-file-preview .dz-image {
+  border-radius: 4px;
+  background: #999;
+  background: linear-gradient(to bottom, #eee, #ddd); }
+.dz-preview.dz-file-preview .dz-details {
+  opacity: 1; }
+.dz-preview.dz-image-preview {
+  background: white; }
+.dz-preview.dz-image-preview .dz-details {
+  -webkit-transition: opacity 0.2s linear;
+  -moz-transition: opacity 0.2s linear;
+  -ms-transition: opacity 0.2s linear;
+  -o-transition: opacity 0.2s linear;
+  transition: opacity 0.2s linear; }
+.dz-preview .dz-remove {
+  font-size: 14px;
+  text-align: center;
+  display: block;
+  cursor: pointer;
+  border: none; }
+.dz-preview .dz-remove:hover {
+  text-decoration: underline; }
+.dz-preview:hover .dz-details {
+  opacity: 1; }
+.dz-preview .dz-details {
+  z-index: 20;
+  position: absolute;
+  top: 0;
+  left: 0;
+  opacity: 0;
+  font-size: 13px;
+  min-width: 100%;
+  max-width: 100%;
+  padding: 2em 1em;
+  text-align: center;
+  color: rgba(0, 0, 0, 0.9);
+  line-height: 150%; }
+.dz-preview .dz-details .dz-size {
+  margin-bottom: 1em;
+  font-size: 16px; }
+.dz-preview .dz-details .dz-filename {
+  white-space: nowrap; }
+.dz-preview .dz-details .dz-filename:hover span {
+  border: 1px solid rgba(200, 200, 200, 0.8);
+  background-color: rgba(255, 255, 255, 0.8); }
+.dz-preview .dz-details .dz-filename:not(:hover) {
+  overflow: hidden;
+  text-overflow: ellipsis; }
+.dz-preview .dz-details .dz-filename:not(:hover) span {
+  border: 1px solid transparent; }
+.dz-preview .dz-details .dz-filename span, .dz-preview .dz-details .dz-size span {
+  background-color: rgba(255, 255, 255, 0.4);
+  padding: 0 0.4em;
+  border-radius: 3px; }
+.dz-preview:hover .dz-image img {
+  -webkit-transform: scale(1.05, 1.05);
+  -moz-transform: scale(1.05, 1.05);
+  -ms-transform: scale(1.05, 1.05);
+  -o-transform: scale(1.05, 1.05);
+  transform: scale(1.05, 1.05);
+  -webkit-filter: blur(8px);
+  filter: blur(8px); }
+.dz-preview .dz-image {
+  border-radius: 4px;
+  overflow: hidden;
+  width: 120px;
+  height: 120px;
+  position: relative;
+  display: block;
+  z-index: 10; }
+.dz-preview .dz-image img {
+  display: block; }
+.dz-preview.dz-success .dz-success-mark {
+  animation: passing-through 3s cubic-bezier(0.77, 0, 0.175, 1); }
+.dz-preview.dz-error .dz-error-mark {
+  opacity: 1;
+  animation: slide-in 3s cubic-bezier(0.77, 0, 0.175, 1); }
+.dz-preview .dz-success-mark, .dz-preview .dz-error-mark {
+  pointer-events: none;
+  opacity: 0;
+  z-index: 500;
+  position: absolute;
+  display: block;
+  top: 50%;
+  left: 50%;
+  margin-left: -27px;
+  margin-top: -27px; }
+.dz-preview .dz-success-mark svg, .dz-preview .dz-error-mark svg {
+  display: block;
+  width: 54px;
+  height: 54px; }
+.dz-preview.dz-processing .dz-progress {
+  opacity: 1;
+  transition: all 0.2s linear; }
+.dz-preview.dz-complete .dz-progress {
+  opacity: 0;
+  transition: opacity 0.4s ease-in; }
+.dz-preview:not(.dz-processing) .dz-progress {
+  animation: pulse 6s ease infinite; }
+.dz-preview .dz-progress {
+  opacity: 1;
+  z-index: 1000;
+  pointer-events: none;
+  position: absolute;
+  height: 16px;
+  left: 50%;
+  top: 50%;
+  margin-top: -8px;
+  width: 80px;
+  margin-left: -40px;
+  background: rgba(255, 255, 255, 0.9);
+  -webkit-transform: scale(1);
+  border-radius: 8px;
+  overflow: hidden; }
+.dz-preview .dz-progress .dz-upload {
+  background: #333;
+  background: linear-gradient(to bottom, #666, #444);
+  position: absolute;
+  top: 0;
+  left: 0;
+  bottom: 0;
+  width: 0;
+  transition: width 300ms ease-in-out; }
+.dz-preview.dz-error .dz-error-message {
+  display: block; }
+.dz-preview.dz-error:hover .dz-error-message {
+  opacity: 1;
+  pointer-events: auto; }
+.dz-preview .dz-error-message {
+  pointer-events: none;
+  z-index: 1000;
+  position: absolute;
+  display: block;
+  display: none;
+  opacity: 0;
+  transition: opacity 0.3s ease;
+  border-radius: 8px;
+  font-size: 13px;
+  top: 130px;
+  left: -10px;
+  width: 140px;
+  background: #be2626;
+  background: linear-gradient(to bottom, #be2626, #a92222);
+  padding: 0.5em 1.2em;
+  color: white; }
+.dz-preview .dz-error-message:after {
+  content: '';
+  position: absolute;
+  top: -6px;
+  left: 64px;
+  width: 0;
+  height: 0;
+  border-left: 6px solid transparent;
+  border-right: 6px solid transparent;
+  border-bottom: 6px solid #be2626; }

@@ -9,6 +9,7 @@
 @import "forms";
 @import "tables";
 @import "tinymce";
+@import "image-manager";
 
 header {
   display: block;
@@ -192,57 +193,6 @@ ul.menu {
   right: 0;
   bottom: 0;
 }
-#image-manager {
-  background-color: #EEE;
-  max-width: 90%;
-  max-height: 90%;
-  width: 90%;
-  height: 90%;
-  margin: 2% 5%;
-  //border: 2px solid $primary;
-  border-radius: 4px;
-  box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.3);
-  overflow: hidden;
-  .image-manager-display img {
-    width: 150px;
-    height: 150px;
-    display: inline-block;
-    margin: $-s 0 0 $-s;
-    cursor: pointer;
-  }
-}
-.image-manager-left {
-  background-color: #FFF;
-  height: 100%;
-  width: 100%;
-  text-align: left;
-  .image-manager-display {
-    height: 75%;
-    width: 100%;
-    text-align: left;
-    overflow-y: scroll;
-  }
-}
-
-.image-manager-title {
-  font-size: 2em;
-  text-align: left;
-  margin: 0 $-m;
-  padding: $-xl $-m;
-  color: #666;
-  border-bottom: 1px solid #DDD;
-}
-
-.image-manager-dropzone {
-  background-color: lighten($primary, 40%);
-  height: 25%;
-  text-align: center;
-  font-size: 2em;
-  line-height: 2em;
-  padding-top: $-xl*1.2;
-  color: #666;
-  border-top: 2px solid $primary;
-}
 
 // Link hooks & popovers
 a.link-hook {

 <section class="overlay" style="display:none;">
+{{--<section class="overlay">--}}
     <div id="image-manager">
         <div class="image-manager-left">
             <div class="image-manager-header">
                 <button type="button" class="button neg float right" data-action="close">Close</button>
                 <div class="image-manager-title">Image Library</div>
             </div>
-            <div class="image-manager-display">
+            <div class="image-manager-display-wrap">
+                <div class="image-manager-display">
+                    <div class="uploads"></div>
+                    <div class="images">
+                        <div class="load-more">Load More</div>
+                    </div>
+                </div>
             </div>
-            <form action="/upload/image" class="image-manager-dropzone">
-                {{ csrf_field() }}
-                Drag images or click here to upload
+            <form action="/upload/image"
+                  class="dropzone"
+                  id="image-upload-dropzone">
+                {!! csrf_field() !!}
             </form>
         </div>
         {{--<div class="sidebar">--}}