X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/c62820ef529ff40e46d30aedff2ba870e8e18395..412e60ded1457ec0f408e2234c9dd60122929bac:/modules/documentCanvas/canvas/canvas.js diff --git a/modules/documentCanvas/canvas/canvas.js b/modules/documentCanvas/canvas/canvas.js index 228bf20..d8db2bc 100644 --- a/modules/documentCanvas/canvas/canvas.js +++ b/modules/documentCanvas/canvas/canvas.js @@ -1,10 +1,11 @@ define([ -'libs/jquery-1.9.1.min', -'libs/underscore-min', -'libs/backbone-min', +'libs/jquery', +'libs/underscore', +'libs/backbone', 'modules/documentCanvas/canvas/documentElement', +'modules/documentCanvas/canvas/keyboard', 'modules/documentCanvas/canvas/utils' -], function($, _, Backbone, documentElement, utils) { +], function($, _, Backbone, documentElement, keyboard, utils) { 'use strict'; @@ -37,13 +38,14 @@ $.extend(Canvas.prototype, { others[attr.name] = attr.value; } - var element = documentElement.DocumentNodeElement.create({ + var element = canvas.createNodeElement({ tag: currentTag.prop('tagName').toLowerCase(), klass: currentTag.attr('class'), meta: meta, others: others, - rawChildren: currentTag.contents() - }, canvas); + rawChildren: currentTag.contents(), + prepopulateOnEmpty: true + }); ['orig-before', 'orig-after', 'orig-begin', 'orig-end'].forEach(function(attr) { element.data(attr, ''); @@ -71,7 +73,7 @@ $.extend(Canvas.prototype, { hasSpanBefore = el.prev().length > 0 && getNode($(el.prev()[0])).attr('wlxml-tag') === 'span', hasSpanAfter = el.next().length > 0 && getNode($(el.next()[0])).attr('wlxml-tag') === 'span'; - if(el.parent().hasClass('canvas-widget')) + if(el.parent().hasClass('canvas-widget') || elParent.attr('document-text-element') !== undefined) return true; // continue var addInfo = function(toAdd, where) { @@ -140,172 +142,9 @@ $.extend(Canvas.prototype, { this.d = this.wrapper.children(0); - var KEYS = { - ENTER: 13, - ARROW_LEFT: 37, - ARROW_UP: 38, - ARROW_RIGHT: 39, - ARROW_DOWN: 40, - BACKSPACE: 8, - DELETE: 46, - X: 88 - } - - this.wrapper.on('keyup', function(e) { - if(e.which >= 37 && e.which <= 40) { - var element = canvas.getCursor().getPosition().element, - caretTo = false; - if(!element) { - // Chrome hack - var direction; - if(e.which === KEYS.ARROW_LEFT || e.which === KEYS.ARROW_UP) { - direction = 'above'; - caretTo = 'end'; - } else { - direction = 'below'; - caretTo = 'start'; - } - element = canvas.getDocumentElement(utils.nearestInDocumentOrder('[document-text-element]:visible', direction, window.getSelection().focusNode)); - } - canvas.setCurrentElement(element, {caretTo: caretTo}); - } - }); - - this.wrapper.on('keydown', function(e) { - var cursor = canvas.getCursor(), - position = canvas.getCursor().getPosition(), - element = position.element; - if(e.which >= 37 && e.which <= 40) { - - if(element && (element instanceof documentElement.DocumentTextElement)) { - if(element.isEmpty()) { - var direction, caretTo; - if(e.which === KEYS.ARROW_LEFT || e.which === KEYS.ARROW_UP) { - direction = 'above'; - caretTo = 'end'; - } else { - direction = 'below'; - caretTo = 'start'; - } - var el = canvas.getDocumentElement(utils.nearestInDocumentOrder('[document-text-element]', direction, window.getSelection().focusNode)) - canvas.setCurrentElement(element, {caretTo: caretTo}); - } else { - var txt = element.dom().contents()[0].data; - if(e.which === KEYS.ARROW_LEFT && position.offset > 1 && txt.charAt(position.offset-2) === utils.unicode.ZWS) { - e.preventDefault(); - canvas._moveCaretToTextElement(element, position.offset-2); - } - if(e.which === KEYS.ARROW_RIGHT && position.offset < txt.length - 1 && txt.charAt(position.offset+1) === utils.unicode.ZWS) { - e.preventDefault(); - canvas._moveCaretToTextElement(element, position.offset+2); - } - } - } - - - } - - var selectsWholeTextElement = function() { - if(cursor.isSelecting() && cursor.getSelectionStart().offsetAtBeginning && cursor.getSelectionEnd().offsetAtEnd) - return true; - return false; - } - - if(e.which === KEYS.X && e.ctrlKey && selectsWholeTextElement()) { - e.preventDefault(); - } - - if(e.which === KEYS.BACKSPACE || e.which === KEYS.DELETE) { - if(cursor.isSelecting() && !cursor.isSelectingWithinElement()) { - e.preventDefault(); - return; - } - - var cursorAtOperationEdge = position.offsetAtBeginning; - if(e.which === KEYS.DELETE) { - cursorAtOperationEdge = position.offsetAtEnd; - } - - if(element.getText().length === 1 || selectsWholeTextElement()) { - e.preventDefault(); - element.setText(''); - } - else if(element.isEmpty()) { - - var direction = 'above', - caretTo = 'end'; - - if(e.which === KEYS.DELETE) { - direction = 'below'; - caretTo = 'start'; - } - - e.preventDefault(); - - var parent = element.parent(), - grandParent = parent ? parent.parent() : null, - goto; - if(parent.children().length === 1 && parent.children()[0].sameNode(element)) { - if(grandParent && grandParent.children().length === 1) { - goto = grandParent.append({text: ''}); - } else { - goto = canvas.getDocumentElement(utils.nearestInDocumentOrder('[document-text-element]', direction, element.dom()[0])); - } - parent.detach(); - } else { - goto = canvas.getDocumentElement(utils.nearestInDocumentOrder('[document-text-element]', direction, element.dom()[0])); - element.detach(); - } - canvas.setCurrentElement(goto, {caretTo: caretTo}); - canvas.publisher('contentChanged'); - } - else if(cursorAtOperationEdge) { - // todo - e.preventDefault(); - } - } - - if(e.which === KEYS.ENTER) { - e.preventDefault(); - var cursor = canvas.getCursor(), - position = cursor.getPosition(), - element = position.element; - - if(!cursor.isSelecting()) { - if(e.ctrlKey) { - var added = element.after({tag: 'block'}); - added.append({text:''}); - canvas.setCurrentElement(added, {caretTo: 'start'}); - - } else { - - if(!(element.parent().parent())) { - return false; // top level element is unsplittable - } - - var elements = position.element.split({offset: position.offset}), - newEmpty, - goto, - gotoOptions; - - if(position.offsetAtBeginning) - newEmpty = elements.first; - else if(position.offsetAtEnd) - newEmpty = elements.second; - - if(newEmpty) { - goto = newEmpty.append(documentElement.DocumentTextElement.create({text: ''}, this)); - gotoOptions = {}; - } else { - goto = elements.second; - gotoOptions = {caretTo: 'start'}; - } - - canvas.setCurrentElement(goto, gotoOptions); - } - } - } - }); + this.wrapper.on('keyup keydown keypress', function(e) { + keyboard.handleKey(e, this); + }.bind(this)); this.wrapper.on('click', '[document-node-element], [document-text-element]', function(e) { e.stopPropagation(); @@ -315,8 +154,14 @@ $.extend(Canvas.prototype, { var observer = new MutationObserver(function(mutations) { mutations.forEach(function(mutation) { if(documentElement.DocumentTextElement.isContentContainer(mutation.target)) { + observer.disconnect(); if(mutation.target.data === '') mutation.target.data = utils.unicode.ZWS; + else if(mutation.oldValue === utils.unicode.ZWS) { + mutation.target.data = mutation.target.data.replace(utils.unicode.ZWS, ''); + canvas._moveCaretToTextElement(canvas.getDocumentElement(mutation.target), 'end'); + } + observer.observe(canvas.d[0], config); canvas.publisher('contentChanged'); } }); @@ -346,8 +191,7 @@ $.extend(Canvas.prototype, { this.eventBus.on('elementToggled', function(toggle, element) { if(!toggle) { - element = canvas.getDocumentElement(utils.nearestInDocumentOrder('[document-text-element]:visible', 'above', element.dom()[0])); - canvas.setCurrentElement(element); + canvas.setCurrentElement(element.getPreviousTextElement()); } }) @@ -366,6 +210,10 @@ $.extend(Canvas.prototype, { return documentElement.DocumentNodeElement.fromHTMLElement(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')}; }, + createNodeElement: function(params) { + return documentElement.DocumentNodeElement.create(params, this); + }, + wrapText: function(params) { params = _.extend({textNodeIdx: 0}, params); if(typeof params.textNodeIdx === 'number') @@ -383,7 +231,7 @@ $.extend(Canvas.prototype, { suffixOutside = textNode2.getText().substr(params.offsetEnd) ; - var wrapperElement = documentElement.DocumentNodeElement.create({tag: params._with.tag, klass: params._with.klass}); + var wrapperElement = this.createNodeElement({tag: params._with.tag, klass: params._with.klass}); textNode1.after(wrapperElement); textNode1.detach(); @@ -413,7 +261,7 @@ $.extend(Canvas.prototype, { var parent = params.element1.parent(), parentChildren = parent.children(), - wrapper = documentElement.DocumentNodeElement.create({ + wrapper = this.createNodeElement({ tag: params._with.tag, klass: params._with.klass}), idx1 = parent.childIndex(params.element1), @@ -572,7 +420,8 @@ $.extend(Canvas.prototype.list, { if(!(params.element1.parent().sameNode(params.element2.parent()))) return false; - var parent = params.element1.parent(); + var parent = params.element1.parent(), + canvas = params.element1.canvas; if(parent.childIndex(params.element1) > parent.childIndex(params.element2)) { var tmp = params.element1; @@ -583,7 +432,6 @@ $.extend(Canvas.prototype.list, { var elementsToWrap = []; var place = 'before'; - var canvas = this; parent.children().some(function(element) { var _e = element; if(element.sameNode(params.element1)) @@ -601,8 +449,7 @@ $.extend(Canvas.prototype.list, { return true; }); - var listElement = documentElement.DocumentNodeElement.create({tag: 'div', klass: 'list-items' + (params.type === 'enum' ? '-enum' : '')}); - + var listElement = canvas.createNodeElement({tag: 'div', klass: 'list-items' + (params.type === 'enum' ? '-enum' : '')}); var toret; if(parent.is('list')) { var item = listElement.wrapWithNodeElement({tag: 'div', klass: 'item'}); @@ -632,6 +479,7 @@ $.extend(Canvas.prototype.list, { succeedingItems = [], items = list.children(), listIsNested = list.parent().getWlxmlClass() === 'item', + canvas = params.element1.canvas, i; if(idx1 > idx2) { @@ -673,7 +521,7 @@ $.extend(Canvas.prototype.list, { item.setWlxmlClass(null); reference = item; }); - var secondList = documentElement.DocumentNodeElement.create({tag: 'div', klass:'list-items'}, this), + var secondList = canvas.createNodeElement({tag: 'div', klass:'list-items'}), toAdd = secondList; if(listIsNested) { @@ -734,40 +582,23 @@ $.extend(Cursor.prototype, { anchorElement = this.canvas.getDocumentElement(selection.anchorNode), focusElement = this.canvas.getDocumentElement(selection.focusNode); - var getOffset = function(where) { - var toret, node; - if(where === 'anchor') { - node = selection.anchorNode; - toret = selection.anchorOffset; - } else { - node = selection.focusNode; - toret = selection.focusOffset; - } - - if(toret === 1 && node.data.charAt(0) === utils.unicode.ZWS) - toret = 0; - else if((toret === node.data.length - 1) && (node.data.charAt(node.data.length - 1) === utils.unicode.ZWS)) - toret++; - return toret; - } - if((!anchorElement) || (anchorElement instanceof documentElement.DocumentNodeElement) || (!focusElement) || focusElement instanceof documentElement.DocumentNodeElement) return {}; if(which === 'anchor') { return { element: anchorElement, - offset: getOffset('anchor'), - offsetAtBeginning: getOffset('anchor') === 0, - offsetAtEnd: selection.anchorNode.data.length === getOffset('anchor') + offset: selection.anchorOffset, + offsetAtBeginning: selection.anchorOffset === 0, + offsetAtEnd: selection.anchorNode.data.length === selection.anchorOffset }; } if(which === 'focus') { return { element: focusElement, - offset: getOffset('focus'), - offsetAtBeginning: getOffset('focus') === 0, - offsetAtEnd: selection.focusNode.data.length === getOffset('focus') + offset: selection.focusOffset, + offsetAtBeginning: selection.focusOffset === 0, + offsetAtEnd: selection.focusNode.data.length === selection.focusOffset }; } @@ -780,30 +611,30 @@ $.extend(Cursor.prototype, { if(anchorFirst) { if(which === 'start') { element = anchorElement; - offset = getOffset('anchor') + offset = selection.anchorOffset } else if(which === 'end') { element = focusElement, - offset = getOffset('focus') + offset = selection.focusOffset } } else { if(which === 'start') { element = focusElement, - offset = getOffset('focus') + offset = selection.focusOffset } else if(which === 'end') { element = anchorElement; - offset = getOffset('anchor') + offset = selection.anchorOffset } } } else { // TODO: Handle order via https://developer.mozilla.org/en-US/docs/Web/API/Node.compareDocumentPosition if(which === 'start') { element = anchorElement; - offset = getOffset('anchor') + offset = selection.anchorOffset } else { element = focusElement; - offset = getOffset('focus') + offset = selection.focusOffset } }