diff -r 000000000000 -r bca7a7e058a3 src/pyams_skin/resources/js/ext/tinymce/dev/plugins/table/classes/Quirks.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/tinymce/dev/plugins/table/classes/Quirks.js	Thu Feb 13 11:43:31 2020 +0100
@@ -0,0 +1,372 @@
+/**
+ * Quirks.js
+ *
+ * Copyright, Moxiecode Systems AB
+ * Released under LGPL License.
+ *
+ * License: http://www.tinymce.com/license
+ * Contributing: http://www.tinymce.com/contributing
+ */
+
+/**
+ * This class includes fixes for various browser quirks.
+ *
+ * @class tinymce.tableplugin.Quirks
+ * @private
+ */
+define("tinymce/tableplugin/Quirks", [
+	"tinymce/util/VK",
+	"tinymce/Env",
+	"tinymce/util/Tools"
+], function(VK, Env, Tools) {
+	var each = Tools.each;
+
+	function getSpanVal(td, name) {
+		return parseInt(td.getAttribute(name) || 1, 10);
+	}
+
+	return function(editor) {
+		/**
+		 * Fixed caret movement around tables on WebKit.
+		 */
+		function moveWebKitSelection() {
+			function eventHandler(e) {
+				var key = e.keyCode;
+
+				function handle(upBool, sourceNode) {
+					var siblingDirection = upBool ? 'previousSibling' : 'nextSibling';
+					var currentRow = editor.dom.getParent(sourceNode, 'tr');
+					var siblingRow = currentRow[siblingDirection];
+
+					if (siblingRow) {
+						moveCursorToRow(editor, sourceNode, siblingRow, upBool);
+						e.preventDefault();
+						return true;
+					} else {
+						var tableNode = editor.dom.getParent(currentRow, 'table');
+						var middleNode = currentRow.parentNode;
+						var parentNodeName = middleNode.nodeName.toLowerCase();
+						if (parentNodeName === 'tbody' || parentNodeName === (upBool ? 'tfoot' : 'thead')) {
+							var targetParent = getTargetParent(upBool, tableNode, middleNode, 'tbody');
+							if (targetParent !== null) {
+								return moveToRowInTarget(upBool, targetParent, sourceNode);
+							}
+						}
+						return escapeTable(upBool, currentRow, siblingDirection, tableNode);
+					}
+				}
+
+				function getTargetParent(upBool, topNode, secondNode, nodeName) {
+					var tbodies = editor.dom.select('>' + nodeName, topNode);
+					var position = tbodies.indexOf(secondNode);
+					if (upBool && position === 0 || !upBool && position === tbodies.length - 1) {
+						return getFirstHeadOrFoot(upBool, topNode);
+					} else if (position === -1) {
+						var topOrBottom = secondNode.tagName.toLowerCase() === 'thead' ? 0 : tbodies.length - 1;
+						return tbodies[topOrBottom];
+					} else {
+						return tbodies[position + (upBool ? -1 : 1)];
+					}
+				}
+
+				function getFirstHeadOrFoot(upBool, parent) {
+					var tagName = upBool ? 'thead' : 'tfoot';
+					var headOrFoot = editor.dom.select('>' + tagName, parent);
+					return headOrFoot.length !== 0 ? headOrFoot[0] : null;
+				}
+
+				function moveToRowInTarget(upBool, targetParent, sourceNode) {
+					var targetRow = getChildForDirection(targetParent, upBool);
+
+					if (targetRow) {
+						moveCursorToRow(editor, sourceNode, targetRow, upBool);
+					}
+
+					e.preventDefault();
+					return true;
+				}
+
+				function escapeTable(upBool, currentRow, siblingDirection, table) {
+					var tableSibling = table[siblingDirection];
+
+					if (tableSibling) {
+						moveCursorToStartOfElement(tableSibling);
+						return true;
+					} else {
+						var parentCell = editor.dom.getParent(table, 'td,th');
+						if (parentCell) {
+							return handle(upBool, parentCell, e);
+						} else {
+							var backUpSibling = getChildForDirection(currentRow, !upBool);
+							moveCursorToStartOfElement(backUpSibling);
+							e.preventDefault();
+							return false;
+						}
+					}
+				}
+
+				function getChildForDirection(parent, up) {
+					var child = parent && parent[up ? 'lastChild' : 'firstChild'];
+					// BR is not a valid table child to return in this case we return the table cell
+					return child && child.nodeName === 'BR' ? editor.dom.getParent(child, 'td,th') : child;
+				}
+
+				function moveCursorToStartOfElement(n) {
+					editor.selection.setCursorLocation(n, 0);
+				}
+
+				function isVerticalMovement() {
+					return key == VK.UP || key == VK.DOWN;
+				}
+
+				function isInTable(editor) {
+					var node = editor.selection.getNode();
+					var currentRow = editor.dom.getParent(node, 'tr');
+					return currentRow !== null;
+				}
+
+				function columnIndex(column) {
+					var colIndex = 0;
+					var c = column;
+					while (c.previousSibling) {
+						c = c.previousSibling;
+						colIndex = colIndex + getSpanVal(c, "colspan");
+					}
+					return colIndex;
+				}
+
+				function findColumn(rowElement, columnIndex) {
+					var c = 0, r = 0;
+
+					each(rowElement.children, function(cell, i) {
+						c = c + getSpanVal(cell, "colspan");
+						r = i;
+						if (c > columnIndex) {
+							return false;
+						}
+					});
+					return r;
+				}
+
+				function moveCursorToRow(ed, node, row, upBool) {
+					var srcColumnIndex = columnIndex(editor.dom.getParent(node, 'td,th'));
+					var tgtColumnIndex = findColumn(row, srcColumnIndex);
+					var tgtNode = row.childNodes[tgtColumnIndex];
+					var rowCellTarget = getChildForDirection(tgtNode, upBool);
+					moveCursorToStartOfElement(rowCellTarget || tgtNode);
+				}
+
+				function shouldFixCaret(preBrowserNode) {
+					var newNode = editor.selection.getNode();
+					var newParent = editor.dom.getParent(newNode, 'td,th');
+					var oldParent = editor.dom.getParent(preBrowserNode, 'td,th');
+
+					return newParent && newParent !== oldParent && checkSameParentTable(newParent, oldParent);
+				}
+
+				function checkSameParentTable(nodeOne, NodeTwo) {
+					return editor.dom.getParent(nodeOne, 'TABLE') === editor.dom.getParent(NodeTwo, 'TABLE');
+				}
+
+				if (isVerticalMovement() && isInTable(editor)) {
+					var preBrowserNode = editor.selection.getNode();
+					setTimeout(function() {
+						if (shouldFixCaret(preBrowserNode)) {
+							handle(!e.shiftKey && key === VK.UP, preBrowserNode, e);
+						}
+					}, 0);
+				}
+			}
+
+			editor.on('KeyDown', function(e) {
+				eventHandler(e);
+			});
+		}
+
+		function fixBeforeTableCaretBug() {
+			// Checks if the selection/caret is at the start of the specified block element
+			function isAtStart(rng, par) {
+				var doc = par.ownerDocument, rng2 = doc.createRange(), elm;
+
+				rng2.setStartBefore(par);
+				rng2.setEnd(rng.endContainer, rng.endOffset);
+
+				elm = doc.createElement('body');
+				elm.appendChild(rng2.cloneContents());
+
+				// Check for text characters of other elements that should be treated as content
+				return elm.innerHTML.replace(/<(br|img|object|embed|input|textarea)[^>]*>/gi, '-').replace(/<[^>]+>/g, '').length === 0;
+			}
+
+			// Fixes an bug where it's impossible to place the caret before a table in Gecko
+			// this fix solves it by detecting when the caret is at the beginning of such a table
+			// and then manually moves the caret infront of the table
+			editor.on('KeyDown', function(e) {
+				var rng, table, dom = editor.dom;
+
+				// On gecko it's not possible to place the caret before a table
+				if (e.keyCode == 37 || e.keyCode == 38) {
+					rng = editor.selection.getRng();
+					table = dom.getParent(rng.startContainer, 'table');
+
+					if (table && editor.getBody().firstChild == table) {
+						if (isAtStart(rng, table)) {
+							rng = dom.createRng();
+
+							rng.setStartBefore(table);
+							rng.setEndBefore(table);
+
+							editor.selection.setRng(rng);
+
+							e.preventDefault();
+						}
+					}
+				}
+			});
+		}
+
+		// Fixes an issue on Gecko where it's impossible to place the caret behind a table
+		// This fix will force a paragraph element after the table but only when the forced_root_block setting is enabled
+		function fixTableCaretPos() {
+			editor.on('KeyDown SetContent VisualAid', function() {
+				var last;
+
+				// Skip empty text nodes from the end
+				for (last = editor.getBody().lastChild; last; last = last.previousSibling) {
+					if (last.nodeType == 3) {
+						if (last.nodeValue.length > 0) {
+							break;
+						}
+					} else if (last.nodeType == 1 && (last.tagName == 'BR' || !last.getAttribute('data-mce-bogus'))) {
+						break;
+					}
+				}
+
+				if (last && last.nodeName == 'TABLE') {
+					if (editor.settings.forced_root_block) {
+						editor.dom.add(
+							editor.getBody(),
+							editor.settings.forced_root_block,
+							editor.settings.forced_root_block_attrs,
+							Env.ie && Env.ie < 11 ? '&nbsp;' : '<br data-mce-bogus="1" />'
+						);
+					} else {
+						editor.dom.add(editor.getBody(), 'br', {'data-mce-bogus': '1'});
+					}
+				}
+			});
+
+			editor.on('PreProcess', function(o) {
+				var last = o.node.lastChild;
+
+				if (last && (last.nodeName == "BR" || (last.childNodes.length == 1 &&
+					(last.firstChild.nodeName == 'BR' || last.firstChild.nodeValue == '\u00a0'))) &&
+					last.previousSibling && last.previousSibling.nodeName == "TABLE") {
+					editor.dom.remove(last);
+				}
+			});
+		}
+
+		// this nasty hack is here to work around some WebKit selection bugs.
+		function fixTableCellSelection() {
+			function tableCellSelected(ed, rng, n, currentCell) {
+				// The decision of when a table cell is selected is somewhat involved.  The fact that this code is
+				// required is actually a pointer to the root cause of this bug. A cell is selected when the start
+				// and end offsets are 0, the start container is a text, and the selection node is either a TR (most cases)
+				// or the parent of the table (in the case of the selection containing the last cell of a table).
+				var TEXT_NODE = 3, table = ed.dom.getParent(rng.startContainer, 'TABLE');
+				var tableParent, allOfCellSelected, tableCellSelection;
+
+				if (table) {
+					tableParent = table.parentNode;
+				}
+
+				allOfCellSelected = rng.startContainer.nodeType == TEXT_NODE &&
+					rng.startOffset === 0 &&
+					rng.endOffset === 0 &&
+					currentCell &&
+					(n.nodeName == "TR" || n == tableParent);
+
+				tableCellSelection = (n.nodeName == "TD" || n.nodeName == "TH") && !currentCell;
+
+				return allOfCellSelected || tableCellSelection;
+			}
+
+			function fixSelection() {
+				var rng = editor.selection.getRng();
+				var n = editor.selection.getNode();
+				var currentCell = editor.dom.getParent(rng.startContainer, 'TD,TH');
+
+				if (!tableCellSelected(editor, rng, n, currentCell)) {
+					return;
+				}
+
+				if (!currentCell) {
+					currentCell = n;
+				}
+
+				// Get the very last node inside the table cell
+				var end = currentCell.lastChild;
+				while (end.lastChild) {
+					end = end.lastChild;
+				}
+
+				// Select the entire table cell. Nothing outside of the table cell should be selected.
+				if (end.nodeType == 3) {
+					rng.setEnd(end, end.data.length);
+					editor.selection.setRng(rng);
+				}
+			}
+
+			editor.on('KeyDown', function() {
+				fixSelection();
+			});
+
+			editor.on('MouseDown', function(e) {
+				if (e.button != 2) {
+					fixSelection();
+				}
+			});
+		}
+
+		/**
+		 * Delete table if all cells are selected.
+		 */
+		function deleteTable() {
+			editor.on('keydown', function(e) {
+				if ((e.keyCode == VK.DELETE || e.keyCode == VK.BACKSPACE) && !e.isDefaultPrevented()) {
+					var table = editor.dom.getParent(editor.selection.getStart(), 'table');
+
+					if (table) {
+						var cells = editor.dom.select('td,th', table), i = cells.length;
+						while (i--) {
+							if (!editor.dom.hasClass(cells[i], 'mce-item-selected')) {
+								return;
+							}
+						}
+
+						e.preventDefault();
+						editor.execCommand('mceTableDelete');
+					}
+				}
+			});
+		}
+
+		deleteTable();
+
+		if (Env.webkit) {
+			moveWebKitSelection();
+			fixTableCellSelection();
+		}
+
+		if (Env.gecko) {
+			fixBeforeTableCaretBug();
+			fixTableCaretPos();
+		}
+
+		if (Env.ie > 10) {
+			fixBeforeTableCaretBug();
+			fixTableCaretPos();
+		}
+	};
+});
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