feat(taBind): Press enter to escape a blockquote

See #377

Author: SimeonC

src/textAngular.js

@@ -1332,6 +1332,27 @@ See README.md or https://github.com/fraywing/textAngular/wiki for requirements a
 										_redo();
 										event.preventDefault();
 									}
+								/* istanbul ignore next: difficult to test as can't seem to select */
+								}else if(event.keyCode === 13 && !event.shiftKey){
+									var selection = taSelection.getSelectionElement();
+									if(!selection.tagName.match(VALIDELEMENTS)) return;
+									var _new = angular.element(_defaultVal);
+									if (/^<br(|\/)>$/i.test(selection.innerHTML.trim()) && selection.parentNode.tagName.toLowerCase() === 'blockquote' && !selection.nextSibling) {
+										// if last element in blockquote and element is blank, pull element outside of blockquote.
+										$selection = angular.element(selection);
+										var _parent = $selection.parent();
+										_parent.after(_new);
+										$selection.remove();
+										if(_parent.children().length === 0) _parent.remove();
+										taSelection.setSelectionToElementStart(_new[0]);
+										event.preventDefault();
+									}else if (/^<[^>]+><br(|\/)><\/[^>]+>$/i.test(selection.innerHTML.trim()) && selection.tagName.toLowerCase() === 'blockquote'){
+										$selection = angular.element(selection);
+										$selection.after(_new);
+										$selection.remove();
+										taSelection.setSelectionToElementStart(_new[0]);
+										event.preventDefault();
+									}
 								}
 							}
 						});
@@ -1349,6 +1370,7 @@ See README.md or https://github.com/fraywing/textAngular/wiki for requirements a
 										while(!selection.tagName.match(VALIDELEMENTS) && selection !== element[0]){
 											selection = selection.parentNode;
 										}
+										
 										if(selection.tagName.toLowerCase() !== attrs.taDefaultWrap && selection.tagName.toLowerCase() !== 'li' && (selection.innerHTML.trim() === '' || selection.innerHTML.trim() === '<br>')){
 											var _new = angular.element(_defaultVal);
 											angular.element(selection).replaceWith(_new);

test/taBind/taBind.spec.js

@@ -281,6 +281,27 @@ describe('taBind', function () {
 					expect(element.html()).toBe('<b><br></b>');
 					element.remove();
 				}));
+				it('should escape blockquote when only empty element', inject(function($rootScope, $compile, $window, $document){
+					$rootScope.html = '<blockquote><p><br></p></blockquote>';
+					element = $compile('<div ta-bind contenteditable="contenteditable" ng-model="html"></div>')($rootScope);
+					$document.find('body').append(element);
+					$rootScope.$digest();
+					var range = $window.rangy.createRangyRange();
+					range.selectNodeContents(element.find('p')[0]);
+					$window.rangy.getSelection().setSingleRange(range);
+					var event;
+					if(angular.element === jQuery){
+						event = jQuery.Event('keydown');
+						event.keyCode = 13;
+						element.triggerHandler(event);
+					}else{
+						event = {keyCode: 13};
+						element.triggerHandler('keydown', event);
+					}
+					$rootScope.$digest();
+					expect(element.html()).toBe('<p><br></p>');
+					element.remove();
+				}));
 			});
 		});
 	});