diff -r fd8fb93e1b6a -r a361355b55c7 src/pyams_skin/resources/js/ext/tinymce/dev/classes/ui/FlexLayout.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/tinymce/dev/classes/ui/FlexLayout.js	Wed Jun 17 10:00:10 2015 +0200
@@ -0,0 +1,246 @@
+/**
+ * FlexLayout.js
+ *
+ * Copyright, Moxiecode Systems AB
+ * Released under LGPL License.
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/**
+ * This layout manager works similar to the CSS flex box.
+ *
+ * @setting {String} direction row|row-reverse|column|column-reverse
+ * @setting {Number} flex A positive-number to flex by.
+ * @setting {String} align start|end|center|stretch
+ * @setting {String} pack start|end|justify
+ *
+ * @class tinymce.ui.FlexLayout
+ * @extends tinymce.ui.AbsoluteLayout
+ */
+define("tinymce/ui/FlexLayout", [
+	"tinymce/ui/AbsoluteLayout"
+], function(AbsoluteLayout) {
+	"use strict";
+
+	return AbsoluteLayout.extend({
+		/**
+		 * Recalculates the positions of the controls in the specified container.
+		 *
+		 * @method recalc
+		 * @param {tinymce.ui.Container} container Container instance to recalc.
+		 */
+		recalc: function(container) {
+			// A ton of variables, needs to be in the same scope for performance
+			var i, l, items, contLayoutRect, contPaddingBox, contSettings, align, pack, spacing, totalFlex, availableSpace, direction;
+			var ctrl, ctrlLayoutRect, ctrlSettings, flex, maxSizeItems = [], size, maxSize, ratio, rect, pos, maxAlignEndPos;
+			var sizeName, minSizeName, posName, maxSizeName, beforeName, innerSizeName, deltaSizeName, contentSizeName;
+			var alignAxisName, alignInnerSizeName, alignSizeName, alignMinSizeName, alignBeforeName, alignAfterName;
+			var alignDeltaSizeName, alignContentSizeName;
+			var max = Math.max, min = Math.min;
+
+			// Get container items, properties and settings
+			items = container.items().filter(':visible');
+			contLayoutRect = container.layoutRect();
+			contPaddingBox = container._paddingBox;
+			contSettings = container.settings;
+			direction = container.isRtl() ? (contSettings.direction || 'row-reversed') : contSettings.direction;
+			align = contSettings.align;
+			pack = container.isRtl() ? (contSettings.pack || 'end') : contSettings.pack;
+			spacing = contSettings.spacing || 0;
+
+			if (direction == "row-reversed" || direction == "column-reverse") {
+				items = items.set(items.toArray().reverse());
+				direction = direction.split('-')[0];
+			}
+
+			// Setup axis variable name for row/column direction since the calculations is the same
+			if (direction == "column") {
+				posName = "y";
+				sizeName = "h";
+				minSizeName = "minH";
+				maxSizeName = "maxH";
+				innerSizeName = "innerH";
+				beforeName = 'top';
+				deltaSizeName = "deltaH";
+				contentSizeName = "contentH";
+
+				alignBeforeName = "left";
+				alignSizeName = "w";
+				alignAxisName = "x";
+				alignInnerSizeName = "innerW";
+				alignMinSizeName = "minW";
+				alignAfterName = "right";
+				alignDeltaSizeName = "deltaW";
+				alignContentSizeName = "contentW";
+			} else {
+				posName = "x";
+				sizeName = "w";
+				minSizeName = "minW";
+				maxSizeName = "maxW";
+				innerSizeName = "innerW";
+				beforeName = 'left';
+				deltaSizeName = "deltaW";
+				contentSizeName = "contentW";
+
+				alignBeforeName = "top";
+				alignSizeName = "h";
+				alignAxisName = "y";
+				alignInnerSizeName = "innerH";
+				alignMinSizeName = "minH";
+				alignAfterName = "bottom";
+				alignDeltaSizeName = "deltaH";
+				alignContentSizeName = "contentH";
+			}
+
+			// Figure out total flex, availableSpace and collect any max size elements
+			availableSpace = contLayoutRect[innerSizeName] - contPaddingBox[beforeName] - contPaddingBox[beforeName];
+			maxAlignEndPos = totalFlex = 0;
+			for (i = 0, l = items.length; i < l; i++) {
+				ctrl = items[i];
+				ctrlLayoutRect = ctrl.layoutRect();
+				ctrlSettings = ctrl.settings;
+				flex = ctrlSettings.flex;
+				availableSpace -= (i < l - 1 ? spacing : 0);
+
+				if (flex > 0) {
+					totalFlex += flex;
+
+					// Flexed item has a max size then we need to check if we will hit that size
+					if (ctrlLayoutRect[maxSizeName]) {
+						maxSizeItems.push(ctrl);
+					}
+
+					ctrlLayoutRect.flex = flex;
+				}
+
+				availableSpace -= ctrlLayoutRect[minSizeName];
+
+				// Calculate the align end position to be used to check for overflow/underflow
+				size = contPaddingBox[alignBeforeName] + ctrlLayoutRect[alignMinSizeName] + contPaddingBox[alignAfterName];
+				if (size > maxAlignEndPos) {
+					maxAlignEndPos = size;
+				}
+			}
+
+			// Calculate minW/minH
+			rect = {};
+			if (availableSpace < 0) {
+				rect[minSizeName] = contLayoutRect[minSizeName] - availableSpace + contLayoutRect[deltaSizeName];
+			} else {
+				rect[minSizeName] = contLayoutRect[innerSizeName] - availableSpace + contLayoutRect[deltaSizeName];
+			}
+
+			rect[alignMinSizeName] = maxAlignEndPos + contLayoutRect[alignDeltaSizeName];
+
+			rect[contentSizeName] = contLayoutRect[innerSizeName] - availableSpace;
+			rect[alignContentSizeName] = maxAlignEndPos;
+			rect.minW = min(rect.minW, contLayoutRect.maxW);
+			rect.minH = min(rect.minH, contLayoutRect.maxH);
+			rect.minW = max(rect.minW, contLayoutRect.startMinWidth);
+			rect.minH = max(rect.minH, contLayoutRect.startMinHeight);
+
+			// Resize container container if minSize was changed
+			if (contLayoutRect.autoResize && (rect.minW != contLayoutRect.minW || rect.minH != contLayoutRect.minH)) {
+				rect.w = rect.minW;
+				rect.h = rect.minH;
+
+				container.layoutRect(rect);
+				this.recalc(container);
+
+				// Forced recalc for example if items are hidden/shown
+				if (container._lastRect === null) {
+					var parentCtrl = container.parent();
+					if (parentCtrl) {
+						parentCtrl._lastRect = null;
+						parentCtrl.recalc();
+					}
+				}
+
+				return;
+			}
+
+			// Handle max size elements, check if they will become to wide with current options
+			ratio = availableSpace / totalFlex;
+			for (i = 0, l = maxSizeItems.length; i < l; i++) {
+				ctrl = maxSizeItems[i];
+				ctrlLayoutRect = ctrl.layoutRect();
+				maxSize = ctrlLayoutRect[maxSizeName];
+				size = ctrlLayoutRect[minSizeName] + ctrlLayoutRect.flex * ratio;
+
+				if (size > maxSize) {
+					availableSpace -= (ctrlLayoutRect[maxSizeName] - ctrlLayoutRect[minSizeName]);
+					totalFlex -= ctrlLayoutRect.flex;
+					ctrlLayoutRect.flex = 0;
+					ctrlLayoutRect.maxFlexSize = maxSize;
+				} else {
+					ctrlLayoutRect.maxFlexSize = 0;
+				}
+			}
+
+			// Setup new ratio, target layout rect, start position
+			ratio = availableSpace / totalFlex;
+			pos = contPaddingBox[beforeName];
+			rect = {};
+
+			// Handle pack setting moves the start position to end, center
+			if (totalFlex === 0) {
+				if (pack == "end") {
+					pos = availableSpace + contPaddingBox[beforeName];
+				} else if (pack == "center") {
+					pos = Math.round(
+						(contLayoutRect[innerSizeName] / 2) - ((contLayoutRect[innerSizeName] - availableSpace) / 2)
+					) + contPaddingBox[beforeName];
+
+					if (pos < 0) {
+						pos = contPaddingBox[beforeName];
+					}
+				} else if (pack == "justify") {
+					pos = contPaddingBox[beforeName];
+					spacing = Math.floor(availableSpace / (items.length - 1));
+				}
+			}
+
+			// Default aligning (start) the other ones needs to be calculated while doing the layout
+			rect[alignAxisName] = contPaddingBox[alignBeforeName];
+
+			// Start laying out controls
+			for (i = 0, l = items.length; i < l; i++) {
+				ctrl = items[i];
+				ctrlLayoutRect = ctrl.layoutRect();
+				size = ctrlLayoutRect.maxFlexSize || ctrlLayoutRect[minSizeName];
+
+				// Align the control on the other axis
+				if (align === "center") {
+					rect[alignAxisName] = Math.round((contLayoutRect[alignInnerSizeName] / 2) - (ctrlLayoutRect[alignSizeName] / 2));
+				} else if (align === "stretch") {
+					rect[alignSizeName] = max(
+						ctrlLayoutRect[alignMinSizeName] || 0,
+						contLayoutRect[alignInnerSizeName] - contPaddingBox[alignBeforeName] - contPaddingBox[alignAfterName]
+					);
+					rect[alignAxisName] = contPaddingBox[alignBeforeName];
+				} else if (align === "end") {
+					rect[alignAxisName] = contLayoutRect[alignInnerSizeName] - ctrlLayoutRect[alignSizeName] - contPaddingBox.top;
+				}
+
+				// Calculate new size based on flex
+				if (ctrlLayoutRect.flex > 0) {
+					size += ctrlLayoutRect.flex * ratio;
+				}
+
+				rect[sizeName] = size;
+				rect[posName] = pos;
+				ctrl.layoutRect(rect);
+
+				// Recalculate containers
+				if (ctrl.recalc) {
+					ctrl.recalc();
+				}
+
+				// Move x/y position
+				pos += size + spacing;
+			}
+		}
+	});
+});
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