1 files changed, 124 insertions, 0 deletions
diff --git a/sdc-workflow-designer-ui/src/app/paletx/core/overlay/overlay-position-map.ts b/sdc-workflow-designer-ui/src/app/paletx/core/overlay/overlay-position-map.ts
new file mode 100644
index 00000000..8ce53850
--- /dev/null
+++ b/sdc-workflow-designer-ui/src/app/paletx/core/overlay/overlay-position-map.ts
@@ -0,0 +1,124 @@
+/* tslint:disable:array-type member-access variable-name typedef
+ only-arrow-functions directive-class-suffix component-class-suffix
+ component-selector one-variable-per-declaration
+ no-attribute-parameter-decorator*/
+import {ConnectionPositionPair} from './index';
+
+export const POSITION_MAP: any = {
+  'top': {
+	originX: 'center',
+	originY: 'top',
+	overlayX: 'center',
+	overlayY: 'bottom'
+  },
+  'topCenter': {
+	originX: 'center',
+	originY: 'top',
+	overlayX: 'center',
+	overlayY: 'bottom'
+  },
+  'topLeft':
+		{originX: 'start', originY: 'top', overlayX: 'start', overlayY: 'bottom'},
+  'topRight':
+		{originX: 'end', originY: 'top', overlayX: 'end', overlayY: 'bottom'},
+  'right': {
+	originX: 'end',
+	originY: 'center',
+	overlayX: 'start',
+	overlayY: 'center',
+  },
+  'rightTop': {
+	originX: 'end',
+	originY: 'top',
+	overlayX: 'start',
+	overlayY: 'top',
+  },
+  'rightBottom': {
+	originX: 'end',
+	originY: 'bottom',
+	overlayX: 'start',
+	overlayY: 'bottom',
+  },
+  'bottom': {
+	originX: 'center',
+	originY: 'bottom',
+	overlayX: 'center',
+	overlayY: 'top',
+  },
+  'bottomCenter': {
+	originX: 'center',
+	originY: 'bottom',
+	overlayX: 'center',
+	overlayY: 'top',
+  },
+  'bottomLeft': {
+	originX: 'start',
+	originY: 'bottom',
+	overlayX: 'start',
+	overlayY: 'top',
+  },
+  'bottomRight': {
+	originX: 'end',
+	originY: 'bottom',
+	overlayX: 'end',
+	overlayY: 'top',
+  },
+  'left': {
+	originX: 'start',
+	originY: 'center',
+	overlayX: 'end',
+	overlayY: 'center',
+  },
+  'leftTop': {
+	originX: 'start',
+	originY: 'top',
+	overlayX: 'end',
+	overlayY: 'top',
+  },
+  'leftBottom': {
+	originX: 'start',
+	originY: 'bottom',
+	overlayX: 'end',
+	overlayY: 'bottom',
+  },
+};
+export const DEFAULT_4_POSITIONS = _objectValues([
+  POSITION_MAP['top'], POSITION_MAP['right'], POSITION_MAP['bottom'],
+  POSITION_MAP['left']
+]);
+export const DEFAULT_DROPDOWN_POSITIONS =
+	_objectValues([POSITION_MAP['bottomLeft'], POSITION_MAP['topLeft']]);
+export const DEFAULT_DATEPICKER_POSITIONS = [
+  {
+	originX: 'start',
+	originY: 'top',
+	overlayX: 'start',
+	overlayY: 'top',
+  },
+  {
+	originX: 'start',
+	originY: 'bottom',
+	overlayX: 'start',
+	overlayY: 'bottom',
+  }
+] as ConnectionPositionPair[];
+
+function arrayMap(array: any, iteratee: any) {
+  let index = -1;
+  const length = array === null ? 0 : array.length, result = Array(length);
+
+  while (++index < length) {
+	result[index] = iteratee(array[index], index, array);
+  }
+  return result;
+}
+
+function baseValues(object: any, props: any) {
+  return arrayMap(props, function(key: any) {
+	return object[key];
+  });
+}
+
+function _objectValues(object: any) {
+  return object === null ? [] : baseValues(object, Object.keys(object));
+}