--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/tinymce/dev/classes/ui/Movable.js	Thu Feb 13 11:43:31 2020 +0100
@@ -0,0 +1,200 @@
+/**
+ * Movable.js
+ *
+ * Copyright, Moxiecode Systems AB
+ * Released under LGPL License.
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/**
+ * Movable mixin. Makes controls movable absolute and relative to other elements.
+ *
+ * @mixin tinymce.ui.Movable
+ */
+define("tinymce/ui/Movable", [
+	"tinymce/ui/DomUtils"
+], function(DomUtils) {
+	"use strict";
+
+	function calculateRelativePosition(ctrl, targetElm, rel) {
+		var ctrlElm, pos, x, y, selfW, selfH, targetW, targetH, viewport, size;
+
+		viewport = DomUtils.getViewPort();
+
+		// Get pos of target
+		pos = DomUtils.getPos(targetElm);
+		x = pos.x;
+		y = pos.y;
+
+		if (ctrl._fixed && DomUtils.getRuntimeStyle(document.body, 'position') == 'static') {
+			x -= viewport.x;
+			y -= viewport.y;
+		}
+
+		// Get size of self
+		ctrlElm = ctrl.getEl();
+		size = DomUtils.getSize(ctrlElm);
+		selfW = size.width;
+		selfH = size.height;
+
+		// Get size of target
+		size = DomUtils.getSize(targetElm);
+		targetW = size.width;
+		targetH = size.height;
+
+		// Parse align string
+		rel = (rel || '').split('');
+
+		// Target corners
+		if (rel[0] === 'b') {
+			y += targetH;
+		}
+
+		if (rel[1] === 'r') {
+			x += targetW;
+		}
+
+		if (rel[0] === 'c') {
+			y += Math.round(targetH / 2);
+		}
+
+		if (rel[1] === 'c') {
+			x += Math.round(targetW / 2);
+		}
+
+		// Self corners
+		if (rel[3] === 'b') {
+			y -= selfH;
+		}
+
+		if (rel[4] === 'r') {
+			x -= selfW;
+		}
+
+		if (rel[3] === 'c') {
+			y -= Math.round(selfH / 2);
+		}
+
+		if (rel[4] === 'c') {
+			x -= Math.round(selfW / 2);
+		}
+
+		return {
+			x: x,
+			y: y,
+			w: selfW,
+			h: selfH
+		};
+	}
+
+	return {
+		/**
+		 * Tests various positions to get the most suitable one.
+		 *
+		 * @method testMoveRel
+		 * @param {DOMElement} elm Element to position against.
+		 * @param {Array} rels Array with relative positions.
+		 * @return {String} Best suitable relative position.
+		 */
+		testMoveRel: function(elm, rels) {
+			var viewPortRect = DomUtils.getViewPort();
+
+			for (var i = 0; i < rels.length; i++) {
+				var pos = calculateRelativePosition(this, elm, rels[i]);
+
+				if (this._fixed) {
+					if (pos.x > 0 && pos.x + pos.w < viewPortRect.w && pos.y > 0 && pos.y + pos.h < viewPortRect.h) {
+						return rels[i];
+					}
+				} else {
+					if (pos.x > viewPortRect.x && pos.x + pos.w < viewPortRect.w + viewPortRect.x &&
+						pos.y > viewPortRect.y && pos.y + pos.h < viewPortRect.h + viewPortRect.y) {
+						return rels[i];
+					}
+				}
+			}
+
+			return rels[0];
+		},
+
+		/**
+		 * Move relative to the specified element.
+		 *
+		 * @method moveRel
+		 * @param {Element} elm Element to move relative to.
+		 * @param {String} rel Relative mode. For example: br-tl.
+		 * @return {tinymce.ui.Control} Current control instance.
+		 */
+		moveRel: function(elm, rel) {
+			if (typeof rel != 'string') {
+				rel = this.testMoveRel(elm, rel);
+			}
+
+			var pos = calculateRelativePosition(this, elm, rel);
+			return this.moveTo(pos.x, pos.y);
+		},
+
+		/**
+		 * Move by a relative x, y values.
+		 *
+		 * @method moveBy
+		 * @param {Number} dx Relative x position.
+		 * @param {Number} dy Relative y position.
+		 * @return {tinymce.ui.Control} Current control instance.
+		 */
+		moveBy: function(dx, dy) {
+			var self = this, rect = self.layoutRect();
+
+			self.moveTo(rect.x + dx, rect.y + dy);
+
+			return self;
+		},
+
+		/**
+		 * Move to absolute position.
+		 *
+		 * @method moveTo
+		 * @param {Number} x Absolute x position.
+		 * @param {Number} y Absolute y position.
+		 * @return {tinymce.ui.Control} Current control instance.
+		 */
+		moveTo: function(x, y) {
+			var self = this;
+
+			// TODO: Move this to some global class
+			function contrain(value, max, size) {
+				if (value < 0) {
+					return 0;
+				}
+
+				if (value + size > max) {
+					value = max - size;
+					return value < 0 ? 0 : value;
+				}
+
+				return value;
+			}
+
+			if (self.settings.constrainToViewport) {
+				var viewPortRect = DomUtils.getViewPort(window);
+				var layoutRect = self.layoutRect();
+
+				x = contrain(x, viewPortRect.w + viewPortRect.x, layoutRect.w);
+				y = contrain(y, viewPortRect.h + viewPortRect.y, layoutRect.h);
+			}
+
+			if (self._rendered) {
+				self.layoutRect({x: x, y: y}).repaint();
+			} else {
+				self.settings.x = x;
+				self.settings.y = y;
+			}
+
+			self.fire('move', {x: x, y: y});
+
+			return self;
+		}
+	};
+});
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