X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/cd106525cca6355309617b7a7092bd58cb9d8ce8..5c398fccc970cf74b857ea5c191b325564f9893f:/src/editor/modules/documentCanvas/canvas/keyboard.js?ds=sidebyside diff --git a/src/editor/modules/documentCanvas/canvas/keyboard.js b/src/editor/modules/documentCanvas/canvas/keyboard.js index 58036c4..378adee 100644 --- a/src/editor/modules/documentCanvas/canvas/keyboard.js +++ b/src/editor/modules/documentCanvas/canvas/keyboard.js @@ -131,7 +131,9 @@ handlers.push({keys: [KEYS.ARROW_UP, KEYS.ARROW_DOWN, KEYS.ARROW_LEFT, KEYS.ARRO caretTo = 'start'; } var el = canvas.getDocumentElement(utils.nearestInDocumentOrder('[document-text-element]', direction, element.dom()[0])); - canvas.setCurrentElement(el, {caretTo: caretTo}); + if(el) { + canvas.setCurrentElement(el, {caretTo: caretTo}); + } } }, keyup: function(event, canvas) { @@ -240,45 +242,43 @@ handlers.push({keys: [KEYS.BACKSPACE, KEYS.DELETE], return element.getText().length === 1 || selectsWholeTextElement(cursor); }; - canvas.wlxmlDocument.startTransaction(); - - - - if(willDeleteWholeText()) { - event.preventDefault(); - node.setText(''); - } - else if(element.isEmpty()) { - event.preventDefault(); - - var parent = element.parent(), - grandParent = parent ? parent.parent() : null; - if(parent.children().length === 1 && parent.children()[0].sameNode(element)) { - if(grandParent && grandParent.children().length === 1) { - goto = grandParent.data('wlxmlNode').append({text: ''}); + canvas.wlxmlDocument.transaction(function() { + if(willDeleteWholeText()) { + event.preventDefault(); + node.setText(''); + } + else if(element.isEmpty()) { + event.preventDefault(); + var parent = element.parent(), + grandParent = parent ? parent.parent() : null; + if(!grandParent && parent.children().length === 1) { + return; + } + if(parent.children().length === 1 && parent.children()[0].sameNode(element)) { + if(grandParent && grandParent.children().length === 1) { + goto = grandParent.data('wlxmlNode').append({text: ''}); + } else { + goto = element.getNearestTextElement(direction); + } + parent.data('wlxmlNode').detach(); } else { goto = element.getNearestTextElement(direction); + element.data('wlxmlNode').detach(); } - parent.data('wlxmlNode').detach(); - } else { - goto = element.getNearestTextElement(direction); - element.data('wlxmlNode').detach(); - } - canvas.setCurrentElement(goto, {caretTo: caretTo}); - canvas.publisher('contentChanged'); - } - else if(cursorAtOperationEdge) { - if(direction === 'below') { - element = element.getNearestTextElement(direction); + canvas.setCurrentElement(goto, {caretTo: caretTo}); + canvas.publisher('contentChanged'); } - if(element) { - goto = element.data('wlxmlNode').mergeContentUp(); - canvas.setCurrentElement(goto.node, {caretTo: goto.offset}); + else if(cursorAtOperationEdge) { + if(direction === 'below') { + element = element.getNearestTextElement(direction); + } + if(element) { + goto = element.data('wlxmlNode').mergeContentUp(); + canvas.setCurrentElement(goto.node, {caretTo: goto.offset}); + } + event.preventDefault(); } - event.preventDefault(); - } - canvas.wlxmlDocument.endTransaction(); - + }); } });