update

static/admin/assets/js/dropzone/dropzone-scrip.js

@@ -0,0 +1,57 @@
+var DropzoneExample = function () {
+
+    var DropzoneDemos = function () {
+        // single file upload
+        Dropzone.options.singleFileUpload = {
+            paramName: "file", // The name that will be used to transfer the file
+            maxFiles: 1,
+            maxFilesize: 5, // MB
+            accept: function(file, done) {
+                if (file.name == "unive.jpg") {
+                    done("Naha, you don't.");
+                } else {
+                    done();
+                }
+            }
+        };
+
+        // multi file upload
+        Dropzone.options.multiFileUpload = {
+            paramName: "file", // The name that will be used to transfer the file
+            maxFiles: 10,
+            maxFilesize: 10, // MB
+            accept: function(file, done) {
+                if (file.name == "unive.jpg") {
+                    done("Naha, you don't.");
+                } else {
+                    done();
+                }
+            }
+        };
+
+        // file type validation
+        Dropzone.options.fileTypeValidation = {
+            paramName: "file", // The name that will be used to transfer the file
+            maxFiles: 10,
+            maxFilesize: 10, // MB
+            acceptedFiles: "image/*,application/pdf,.psd",
+            accept: function(file, done) {
+                if (file.name == "unive.jpg") {
+                    done("Naha, you don't.");
+                } else {
+                    done();
+                }
+            }
+        };
+
+
+    }
+
+    return {
+        init: function() {
+            DropzoneDemos();
+        }
+    };
+}();
+
+DropzoneExample.init();

static/admin/assets/js/dropzone/dropzone-script.js

@@ -0,0 +1,47 @@
+var DropzoneExample = function () {
+    var DropzoneDemos = function () {
+        Dropzone.options.singleFileUpload = {
+            paramName: "file",
+            maxFiles: 1,
+            maxFilesize: 5,
+            accept: function(file, done) {
+                if (file.name == "justinbieber.jpg") {
+                    done("Naha, you don't.");
+                } else {
+                    done();
+                }
+            }
+        };
+        Dropzone.options.multiFileUpload = {
+            paramName: "file",
+            maxFiles: 10,
+            maxFilesize: 10,
+            accept: function(file, done) {
+                if (file.name == "justinbieber.jpg") {
+                    done("Naha, you don't.");
+                } else {
+                    done();
+                }
+            }
+        };
+        Dropzone.options.fileTypeValidation = {
+            paramName: "file",
+            maxFiles: 10,
+            maxFilesize: 10, 
+            acceptedFiles: "image/*,application/pdf,.psd",
+            accept: function(file, done) {
+                if (file.name == "justinbieber.jpg") {
+                    done("Naha, you don't.");
+                } else {
+                    done();
+                }
+            }
+        };
+    }
+    return {
+        init: function() {
+            DropzoneDemos();
+        }
+    };
+}();
+DropzoneExample.init();