1 files changed, 111 insertions, 0 deletions
diff --git a/library/cropperjs/src/js/events.js b/library/cropperjs/src/js/events.js
new file mode 100644
index 000000000..3753db022
--- /dev/null
+++ b/library/cropperjs/src/js/events.js
@@ -0,0 +1,111 @@
+import {
+  EVENT_CROP,
+  EVENT_CROP_END,
+  EVENT_CROP_MOVE,
+  EVENT_CROP_START,
+  EVENT_DBLCLICK,
+  EVENT_POINTER_DOWN,
+  EVENT_POINTER_MOVE,
+  EVENT_POINTER_UP,
+  EVENT_RESIZE,
+  EVENT_WHEEL,
+  EVENT_ZOOM,
+} from './constants';
+import {
+  addListener,
+  isFunction,
+  proxy,
+  removeListener,
+} from './utilities';
+
+export default {
+  bind() {
+    const { element, options, cropper } = this;
+
+    if (isFunction(options.cropstart)) {
+      addListener(element, EVENT_CROP_START, options.cropstart);
+    }
+
+    if (isFunction(options.cropmove)) {
+      addListener(element, EVENT_CROP_MOVE, options.cropmove);
+    }
+
+    if (isFunction(options.cropend)) {
+      addListener(element, EVENT_CROP_END, options.cropend);
+    }
+
+    if (isFunction(options.crop)) {
+      addListener(element, EVENT_CROP, options.crop);
+    }
+
+    if (isFunction(options.zoom)) {
+      addListener(element, EVENT_ZOOM, options.zoom);
+    }
+
+    addListener(cropper, EVENT_POINTER_DOWN, (this.onCropStart = proxy(this.cropStart, this)));
+
+    if (options.zoomable && options.zoomOnWheel) {
+      addListener(cropper, EVENT_WHEEL, (this.onWheel = proxy(this.wheel, this)));
+    }
+
+    if (options.toggleDragModeOnDblclick) {
+      addListener(cropper, EVENT_DBLCLICK, (this.onDblclick = proxy(this.dblclick, this)));
+    }
+
+    addListener(
+      element.ownerDocument,
+      EVENT_POINTER_MOVE,
+      (this.onCropMove = proxy(this.cropMove, this)),
+    );
+    addListener(
+      element.ownerDocument,
+      EVENT_POINTER_UP,
+      (this.onCropEnd = proxy(this.cropEnd, this)),
+    );
+
+    if (options.responsive) {
+      addListener(window, EVENT_RESIZE, (this.onResize = proxy(this.resize, this)));
+    }
+  },
+
+  unbind() {
+    const { element, options, cropper } = this;
+
+    if (isFunction(options.cropstart)) {
+      removeListener(element, EVENT_CROP_START, options.cropstart);
+    }
+
+    if (isFunction(options.cropmove)) {
+      removeListener(element, EVENT_CROP_MOVE, options.cropmove);
+    }
+
+    if (isFunction(options.cropend)) {
+      removeListener(element, EVENT_CROP_END, options.cropend);
+    }
+
+    if (isFunction(options.crop)) {
+      removeListener(element, EVENT_CROP, options.crop);
+    }
+
+    if (isFunction(options.zoom)) {
+      removeListener(element, EVENT_ZOOM, options.zoom);
+    }
+
+    removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart);
+
+    if (options.zoomable && options.zoomOnWheel) {
+      removeListener(cropper, EVENT_WHEEL, this.onWheel);
+    }
+
+    if (options.toggleDragModeOnDblclick) {
+      removeListener(cropper, EVENT_DBLCLICK, this.onDblclick);
+    }
+
+    removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove);
+    removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd);
+
+    if (options.responsive) {
+      removeListener(window, EVENT_RESIZE, this.onResize);
+    }
+  },
+};