From: Aleksander Łukasz Date: Mon, 4 Aug 2014 12:34:49 +0000 (+0200) Subject: editor: canvas - switching key event handling to new handlers X-Git-Url: https://git.mdrn.pl/fnpeditor.git/commitdiff_plain/dca8878022514685dba90359231cdfb872cab1cb?ds=sidebyside;hp=-c editor: canvas - switching key event handling to new handlers --- dca8878022514685dba90359231cdfb872cab1cb diff --git a/src/editor/modules/documentCanvas/canvas/canvas.js b/src/editor/modules/documentCanvas/canvas/canvas.js index 9d33856..0259452 100644 --- a/src/editor/modules/documentCanvas/canvas/canvas.js +++ b/src/editor/modules/documentCanvas/canvas/canvas.js @@ -12,8 +12,9 @@ define([ 'modules/documentCanvas/canvas/nullElement', 'modules/documentCanvas/canvas/gutter', 'modules/documentCanvas/canvas/selection', +'modules/documentCanvas/canvas/keyEvent', 'libs/text!./canvas.html' -], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener, ElementsRegister, genericElement, nullElement, gutter, selection, canvasTemplate) { +], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener, ElementsRegister, genericElement, nullElement, gutter, selection, keyEvent, canvasTemplate) { 'use strict'; /* global document:false, window:false, Node:false, gettext */ @@ -159,10 +160,7 @@ $.extend(Canvas.prototype, Backbone.Events, { /* globals document */ $(document.body).on('keydown', function(e) { - var cursor = canvas.getCursor(); - if(cursor.isSelecting() || Object.keys(cursor.getPosition()).length) { - keyboard.handleKey(e, canvas); - } + canvas.triggerKeyEvent(keyEvent.fromNativeEvent(e)); }); this.rootWrapper.on('mouseup', function() { diff --git a/src/editor/modules/documentCanvas/canvas/keyboard.js b/src/editor/modules/documentCanvas/canvas/keyboard.js index f06f1f1..3a90a90 100644 --- a/src/editor/modules/documentCanvas/canvas/keyboard.js +++ b/src/editor/modules/documentCanvas/canvas/keyboard.js @@ -1,8 +1,7 @@ define([ 'libs/jquery', -'modules/documentCanvas/canvas/documentElement', 'modules/documentCanvas/canvas/utils' -], function($, documentElement, utils) { +], function($, utils) { 'use strict'; /* globals gettext */ @@ -18,26 +17,6 @@ var KEYS = { X: 88 }; -var handleKey = function(event, canvas) { - handlers.some(function(handler) { - if(handles(handler, event) && handler[event.type]) { - handler[event.type](event, canvas); - return true; - } - }); -}; - -var handles = function(handler, event) { - if(handler.key === event.which) { - return true; - } - if(handler.keys && handler.keys.indexOf(event.which) !== -1) { - return true; - } - return false; -}; - - var scroll = function(place, textElement) { var rect = textElement.getBoundingClientRect(), scroll = $('#rng-module-documentCanvas-contentWrapper'), @@ -86,191 +65,6 @@ var getFirstRectBelow = function(node, y) { return toret; }; -var handlers = []; - - -handlers.push({key: KEYS.ENTER, - keydown: function(event, canvas) { - event.preventDefault(); - var cursor = canvas.getCursor(), - position = cursor.getPosition(), - element = position.element; - - if(Object.keys(cursor.getPosition()).length === 0) { - var currentElement = canvas.getCurrentNodeElement(); - if(currentElement && !currentElement.wlxmlNode.isRoot()) { - canvas.wlxmlDocument.transaction(function() { - var added = currentElement.wlxmlNode.after({ - tagName: currentElement.wlxmlNode.getTagName() || 'div', - attrs: {'class': currentElement.wlxmlNode.getClass() || 'p'} - }); - added.append({text:''}); - return added; - }, { - metadata: { - description: gettext('Splitting text') - }, - success: function(ret) { - canvas.setCurrentElement(utils.getElementForNode(ret), {caretTo: 'start'}); - } - }); - - } - return; - } - - if(!cursor.isSelecting()) { - if(event.ctrlKey) { - if(element instanceof documentElement.DocumentTextElement) { - element = element.parent(); - } - - canvas.wlxmlDocument.transaction(function() { - var added = element.wlxmlNode.after( - {tagName: element.wlxmlNode.getTagName() || 'div', attrs: {'class': element.wlxmlNode.getClass() || 'p'}} - ); - added.append({text: ''}); - return added; - }, { - metadata: { - description: gettext('Splitting text') - }, - success: function(ret) { - canvas.setCurrentElement(utils.getElementForNode(ret), {caretTo: 'start'}); - } - }); - - } else { - - if(!(element.parent().parent())) { - return false; // top level element is unsplittable - } - - var node = position.element.wlxmlNode, - result, goto, gotoOptions; - - node.document.transaction(function() { - result = position.element.wlxmlNode.breakContent({offset: position.offset}); - }, { - metadata: { - description: gettext('Splitting text') - } - }); - - if(result.emptyText) { - goto = result.emptyText; - gotoOptions = {}; - } else { - goto = result.second; - gotoOptions = {caretTo: 'start'}; - } - - canvas.setCurrentElement(utils.getElementForNode(goto), gotoOptions); - } - } - } -}); - - -var selectsWholeTextElement = function(cursor) { - if(cursor.isSelecting() && cursor.getSelectionStart().offsetAtBeginning && cursor.getSelectionEnd().offsetAtEnd) { - return true; - } - return false; -}; - -handlers.push({keys: [KEYS.BACKSPACE, KEYS.DELETE], - keydown: function(event, canvas) { - var cursor = canvas.getCursor(), - position = canvas.getCursor().getPosition(), - element = position.element, - node = element ? element.wlxmlNode : null, - direction = 'above', - caretTo = 'end', - goto; - - if(!element || !node) { - return; - } - - if(event.which === KEYS.DELETE) { - direction = 'below'; - caretTo = 'start'; - } - - if(cursor.isSelecting()) { - event.preventDefault(); - var start = cursor.getSelectionStart(), - end = cursor.getSelectionEnd(); - - if(direction === 'above') { - if(start.offsetAtBeginning) { - goto = canvas.getNearestTextElement('above', start.element); - caretTo = 'end'; - } else { - goto = start.element; - caretTo = start.offset; - } - } else { - if(end.offsetAtEnd) { - goto = canvas.getNearestTextElement('below', start.element); - caretTo = 'start'; - } else { - goto = end.element; - caretTo = 0; - } - } - - canvas.wlxmlDocument.deleteText({ - from: { - node: start.element.wlxmlNode, - offset: start.offset - }, - to: { - node: end.element.wlxmlNode, - offset: end.offset - } - }); - if(goto) { - canvas.setCurrentElement(goto, {caretTo: caretTo}); - } - return; - } - - var cursorAtOperationEdge = position.offsetAtBeginning; - if(event.which === KEYS.DELETE) { - cursorAtOperationEdge = position.offsetAtEnd; - } - - var willDeleteWholeText = function() { - return element.getText().length === 1 || selectsWholeTextElement(cursor); - }; - - canvas.wlxmlDocument.transaction(function() { - if(willDeleteWholeText()) { - event.preventDefault(); - node.setText(''); - } - else if(cursorAtOperationEdge) { - if(direction === 'below') { - element = canvas.getNearestTextElement(direction, element); - } - if(element && element.wlxmlNode.getIndex() === 0) { - goto = element.wlxmlNode.parent().moveUp(); - if(goto) { - canvas.setCurrentElement(goto.node, {caretTo: goto.offset}); - } - } - event.preventDefault(); - } - }, { - metadata: { - description: gettext('Remove text') - } - }); - } -}); - var handleKeyEvent = function(e, s) { keyEventHandlers.some(function(handler) { if(handler.applies(e, s)) { @@ -585,7 +379,6 @@ var keyEventHandlers = [ ]; return { - handleKey: handleKey, handleKeyEvent: handleKeyEvent, KEYS: KEYS };