3 files changed, 88 insertions, 3 deletions

diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts
index c3c92daa5..b707dbe57 100644
--- a/src/client/util/DragManager.ts
+++ b/src/client/util/DragManager.ts
@@ -90,6 +90,8 @@ export namespace DragManager {
         handlers: DragHandlers;
 
         hideSource: boolean | (() => boolean);
+
+        withoutShiftDrag?: boolean;
     }
 
     export interface DragDropDisposer {
@@ -312,7 +314,7 @@ export namespace DragManager {
             if (dragData instanceof DocumentDragData) {
                 dragData.userDropAction = e.ctrlKey || e.altKey ? "alias" : undefined;
             }
-            if (e.shiftKey && CollectionDockingView.Instance) {
+            if (((options && !options.withoutShiftDrag) || !options) && e.shiftKey && CollectionDockingView.Instance) {
                 AbortDrag();
                 CollectionDockingView.Instance.StartOtherDrag(docs, {
                     pageX: e.pageX,
diff --git a/src/client/util/Scripting.ts b/src/client/util/Scripting.ts
index 40e2ad6bb..30a05154a 100644
--- a/src/client/util/Scripting.ts
+++ b/src/client/util/Scripting.ts
@@ -12,7 +12,7 @@ import { Doc, Field } from '../../new_fields/Doc';
 import { ImageField, PdfField, VideoField, AudioField } from '../../new_fields/URLField';
 import { List } from '../../new_fields/List';
 import { RichTextField } from '../../new_fields/RichTextField';
-import { ScriptField, ComputedField } from '../../fields/ScriptField';
+import { ScriptField, ComputedField } from '../../new_fields/ScriptField';
 
 export interface ScriptSucccess {
     success: true;
@@ -39,7 +39,6 @@ export interface CompileError {
 }
 
 export type CompileResult = CompiledScript | CompileError;
-
 function Run(script: string | undefined, customParams: string[], diagnostics: any[], originalScript: string, options: ScriptOptions): CompileResult {
     const errors = diagnostics.some(diag => diag.category === ts.DiagnosticCategory.Error);
     if ((options.typecheck !== false && errors) || !script) {
@@ -64,10 +63,20 @@ function Run(script: string | undefined, customParams: string[], diagnostics: an
             }
         }
         let thisParam = args.this || capturedVariables.this;
+        let batch: { end(): void } | undefined = undefined;
         try {
+            if (!options.editable) {
+                batch = Doc.MakeReadOnly();
+            }
             const result = compiledFunction.apply(thisParam, params).apply(thisParam, argsArray);
+            if (batch) {
+                batch.end();
+            }
             return { success: true, result };
         } catch (error) {
+            if (batch) {
+                batch.end();
+            }
             return { success: false, error };
         }
     };
@@ -133,6 +142,7 @@ export interface ScriptOptions {
     params?: { [name: string]: string };
     capturedVariables?: { [name: string]: Field };
     typecheck?: boolean;
+    editable?: boolean;
 }
 
 export function CompileScript(script: string, options: ScriptOptions = {}): CompileResult {
diff --git a/src/client/util/request-image-size.js b/src/client/util/request-image-size.js
new file mode 100644
index 000000000..0f9328872
--- /dev/null
+++ b/src/client/util/request-image-size.js
@@ -0,0 +1,73 @@
+/**
+ * request-image-size: Detect image dimensions via request.
+ * Licensed under the MIT license.
+ *
+ * https://github.com/FdezRomero/request-image-size
+ * © 2017 Rodrigo Fernández Romero
+ *
+ * Based on the work of Johannes J. Schmidt
+ * https://github.com/jo/http-image-size
+ */
+
+const request = require('request');
+const imageSize = require('image-size');
+const HttpError = require('standard-http-error');
+
+module.exports = function requestImageSize(options) {
+    let opts = {
+        encoding: null
+    };
+
+    if (options && typeof options === 'object') {
+        opts = Object.assign(options, opts);
+    } else if (options && typeof options === 'string') {
+        opts = Object.assign({ uri: options }, opts);
+    } else {
+        return Promise.reject(new Error('You should provide an URI string or a "request" options object.'));
+    }
+
+    opts.encoding = null;
+
+    return new Promise((resolve, reject) => {
+        const req = request(opts);
+
+        req.on('response', res => {
+            if (res.statusCode >= 400) {
+                return reject(new HttpError(res.statusCode, res.statusMessage));
+            }
+
+            let buffer = new Buffer([]);
+            let size;
+            let imageSizeError;
+
+            res.on('data', chunk => {
+                buffer = Buffer.concat([buffer, chunk]);
+
+                try {
+                    size = imageSize(buffer);
+                } catch (err) {
+                    imageSizeError = err;
+                    return;
+                }
+
+                if (size) {
+                    resolve(size);
+                    return req.abort();
+                }
+            });
+
+            res.on('error', err => reject(err));
+
+            res.on('end', () => {
+                if (!size) {
+                    return reject(imageSizeError);
+                }
+
+                size.downloaded = buffer.length;
+                return resolve(size);
+            });
+        });
+
+        req.on('error', err => reject(err));
+    });
+};