X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/36bb9273f472d484a633ec54bb4b0ad3b70d50f2..dad0c998b0e446b9489e258f2a49ca49f0d63a00:/modules/documentCanvas/canvas/canvas.js diff --git a/modules/documentCanvas/canvas/canvas.js b/modules/documentCanvas/canvas/canvas.js index ad826c7..51af41b 100644 --- a/modules/documentCanvas/canvas/canvas.js +++ b/modules/documentCanvas/canvas/canvas.js @@ -1,12 +1,16 @@ define([ 'libs/jquery-1.9.1.min', 'libs/underscore-min', -'modules/documentCanvas/canvas/documentElement' -], function($, _, documentElement) { +'libs/backbone-min', +'modules/documentCanvas/canvas/documentElement', +'modules/documentCanvas/canvas/keyboard', +'modules/documentCanvas/canvas/utils' +], function($, _, Backbone, documentElement, keyboard, utils) { 'use strict'; var Canvas = function(wlxml, publisher) { + this.eventBus = _.extend({}, Backbone.Events); this.loadWlxml(wlxml); this.publisher = publisher ? publisher : function() {}; }; @@ -18,7 +22,8 @@ $.extend(Canvas.prototype, { if(d) { this.wrapper = $('
').addClass('canvas-wrapper').attr('contenteditable', true); this.wrapper.append(d); - + var canvas = this; + this.wrapper.find('*').replaceWith(function() { var currentTag = $(this); if(currentTag.attr('wlxml-tag')) @@ -33,127 +38,163 @@ $.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 + others: others, + rawChildren: currentTag.contents(), + prepopulateOnEmpty: true }); - element.dom().append(currentTag.contents()); - ['orig-before', 'orig-append'].forEach(function(attr) { - element.data(attr, ['']); + ['orig-before', 'orig-after', 'orig-begin', 'orig-end'].forEach(function(attr) { + element.data(attr, ''); }); return element.dom(); }); + var FIRST_CONTENT_INDEX = 0; + + // @@ TODO - refactor! + var getNode = function(element) { + return element.children('[document-element-content]'); + } + this.wrapper.find(':not(iframe)').addBack().contents() .filter(function() {return this.nodeType === Node.TEXT_NODE}) .each(function() { - var el = $(this); - // TODO: use DocumentElement API - var spanParent = el.parent().attr('wlxml-tag') === 'span', - spanBefore = el.prev().length > 0 && $(el.prev()[0]).attr('wlxml-tag') === 'span', - spanAfter = el.next().length > 0 && $(el.next()[0]).attr('wlxml-tag') === 'span'; - - var oldText = this.data, - oldLength = this.data.length; - var parent = el.parent(), - parentContents = parent.contents(), - idx = parentContents.index(this), - next = idx < parentContents.length - 1 ? parentContents[idx+1] : null; - - var addInfo = function(toAdd) { - if(next) { - $(next).data('orig-before', toAdd); - } else { - parent.data('orig-append', toAdd); - } + + var el = $(this), + text = {original: el.text(), trimmed: $.trim(el.text())}, + elParent = el.parent(), + hasSpanParent = elParent.attr('wlxml-tag') === 'span', + hasSpanBefore = el.prev().length > 0 && getNode($(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') || elParent.attr('document-text-element') !== undefined) + return true; // continue + + var addInfo = function(toAdd, where) { + var parentContents = elParent.contents(), + idx = parentContents.index(el[0]), + prev = idx > FIRST_CONTENT_INDEX ? parentContents[idx-1] : null, + next = idx < parentContents.length - 1 ? parentContents[idx+1] : null, + target, key; + + if(where === 'above') { + target = prev ? $(prev) : elParent.parent(); + key = prev ? 'orig-after' : 'orig-begin'; + } else if(where === 'below') { + target = next ? $(next) : elParent.parent(); + key = next ? 'orig-before' : 'orig-end'; + } else { throw new Object;} + + target.data(key, toAdd); } - if(spanParent || spanBefore || spanAfter) { - var startSpace = /\s/g.test(this.data.substr(0,1)); - var endSpace = /\s/g.test(this.data.substr(-1)) && this.data.length > 1; - var trimmed = $.trim(this.data); - var newText = (startSpace && (spanParent || spanBefore) ? ' ' : '') - + trimmed - + (endSpace && (spanParent || spanAfter) ? ' ' : ''); - if(newText !== oldText) { - this.data = newText; - var toAdd1, toAdd2; - var toAdd = []; - if(!trimmed) { - toAdd.push(oldText); - } else { - if(endSpace) { - toAdd1 = oldText.match(/\s+$/g)[0]; - if(newText[newText.length - 1] === ' ' && toAdd1[0] === ' ') - toAdd1 = toAdd1.substr(1); - toAdd.push(toAdd1); - } - if(startSpace) { - toAdd2 = oldText.match(/^\s+/g)[0]; - if(newText[0] === ' ' && toAdd2[toAdd2.length-1] === ' ') - toAdd2 = toAdd2.substr(0, toAdd2.length -1); - toAdd.push(toAdd2); - } - } - addInfo(toAdd); - } + text.transformed = text.trimmed; + + if(hasSpanParent || hasSpanBefore || hasSpanAfter) { + var startSpace = /\s/g.test(text.original.substr(0,1)), + endSpace = /\s/g.test(text.original.substr(-1)) && text.original.length > 1; + text.transformed = (startSpace && (hasSpanParent || hasSpanBefore) ? ' ' : '') + + text.trimmed + + (endSpace && (hasSpanParent || hasSpanAfter) ? ' ' : ''); } else { + if(text.trimmed.length === 0 && text.original.length > 0 && elParent.contents().length === 1) + text.transformed = ' '; + } - this.data = $.trim(this.data); - if(this.data.length === 0 && oldLength > 0 && el.parent().contents().length === 1) - this.data = ' '; - if(this.data.length === 0) { - addInfo([oldText]); - el.remove(); + if(!text.transformed) { + addInfo(text.original, 'below'); + el.remove(); + return true; // continue + } + + if(text.transformed !== text.original) { + if(!text.trimmed) { + addInfo(text.original, 'below'); + } else { + var startingMatch = text.original.match(/^\s+/g), + endingMatch = text.original.match(/\s+$/g), + startingWhiteSpace = startingMatch ? startingMatch[0] : null, + endingWhiteSpace = endingMatch ? endingMatch[0] : null; + + if(endingWhiteSpace) { + if(text.transformed[text.transformed.length - 1] === ' ' && endingWhiteSpace[0] === ' ') + endingWhiteSpace = endingWhiteSpace.substr(1); + addInfo(endingWhiteSpace, 'below'); + } - return true; // continue + if(startingWhiteSpace) { + if(text.transformed[0] === ' ' && startingWhiteSpace[startingWhiteSpace.length-1] === ' ') + startingWhiteSpace = startingWhiteSpace.substr(0, startingWhiteSpace.length -1); + addInfo(startingWhiteSpace, 'above'); + } } } - var element = documentElement.DocumentTextElement.create({text: this.data}); - $(this).replaceWith(element.dom()); + var element = documentElement.DocumentTextElement.create({text: text.transformed}); + el.replaceWith(element.dom()); }); this.d = this.wrapper.children(0); - var canvas = this; - this.wrapper.on('keydown', function(e) { - if(e.which === 13) { - e.preventDefault(); - var cursor = canvas.getCursor(); - if(!cursor.isSelecting()) { - var position = cursor.getPosition(), - elements = position.element.split({offset: position.offset}), - newEmpty, - goto; - - if(position.offsetAtBeginning) - newEmpty = elements.first; - else if(position.offsetAtEnd) - newEmpty = elements.second; - if(newEmpty) { - goto = newEmpty.append(documentElement.DocumentTextElement.create({text: '\u200B'}, this)); - canvas.setCurrentElement(goto); + 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(); + canvas.setCurrentElement(canvas.getDocumentElement(e.currentTarget), {caretTo: false}); + }); + + 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'); } - } + }); }); + var config = { attributes: false, childList: false, characterData: true, subtree: true, characterDataOldValue: true}; + observer.observe(this.d[0], config); - this.wrapper.on('keyup', function(e) { - if(e.which >= 37 && e.which <= 40) - canvas.setCurrentElement(canvas.getCursor().getPosition().element, {caretTo: false}) - }); - this.wrapper.on('click', '[wlxml-tag], [wlxml-text]', function(e) { + this.wrapper.on('mouseover', '[document-node-element], [document-text-element]', function(e) { + var el = canvas.getDocumentElement(e.currentTarget); + if(!el) + return; + e.stopPropagation(); + if(el instanceof documentElement.DocumentTextElement) + el = el.parent(); + el.toggleLabel(true); + }); + this.wrapper.on('mouseout', '[document-node-element], [document-text-element]', function(e) { + var el = canvas.getDocumentElement(e.currentTarget); + if(!el) + return; e.stopPropagation(); - canvas.setCurrentElement(canvas.getDocumentElement(e.target), {caretTo: false}); + if(el instanceof documentElement.DocumentTextElement) + el = el.parent(); + el.toggleLabel(false); }); + this.eventBus.on('elementToggled', function(toggle, element) { + if(!toggle) { + canvas.setCurrentElement(element.getPreviousTextElement()); + } + }) + } else { this.d = null; } @@ -169,6 +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') @@ -186,7 +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(); @@ -209,6 +254,59 @@ $.extend(Canvas.prototype, { wrapperElement.after({text: suffixOutside}); return wrapperElement; }, + + wrapElements: function(params) { + if(!(params.element1.parent().sameNode(params.element2.parent()))) + return; + + var parent = params.element1.parent(), + parentChildren = parent.children(), + wrapper = this.createNodeElement({ + tag: params._with.tag, + klass: params._with.klass}), + idx1 = parent.childIndex(params.element1), + idx2 = parent.childIndex(params.element2); + + if(idx1 > idx2) { + var tmp = idx1; + idx1 = idx2; + idx2 = tmp; + } + + var insertingMethod, insertingTarget; + if(idx1 === 0) { + insertingMethod = 'prepend'; + insertingTarget = parent; + } else { + insertingMethod = 'after'; + insertingTarget = parentChildren[idx1-1]; + } + + for(var i = idx1; i <= idx2; i++) { + wrapper.append(parentChildren[i].detach()); + } + + insertingTarget[insertingMethod](wrapper); + return wrapper; + }, + + getSiblingParents: function(params) { + var parents1 = [params.element1].concat(params.element1.parents()).reverse(), + parents2 = [params.element2].concat(params.element2.parents()).reverse(), + noSiblingParents = null; + + if(parents1.length === 0 || parents2.length === 0 || !(parents1[0].sameNode(parents2[0]))) + return noSiblingParents; + + var i; + for(i = 0; i < Math.min(parents1.length, parents2.length); i++) { + if(parents1[i].sameNode(parents2[i])) + continue; + break; + } + return {element1: parents1[i], element2: parents2[i]}; + }, + getDocumentElement: function(from) { if(from instanceof HTMLElement || from instanceof Text) { return documentElement.DocumentElement.fromHTMLElement(from, this); @@ -220,19 +318,9 @@ $.extend(Canvas.prototype, { list: {}, - - - highlightElement: function(element) { - this.wrapper.find('.highlighted-element').removeClass('highlighted-element'); - element.dom().addClass('highlighted-element'); - }, - - dimElement: function(element) { - element.dom().removeClass('highlighted-element'); - }, getCurrentNodeElement: function() { - return this.getDocumentElement(this.wrapper.find('.current-node-element')[0]); + return this.getDocumentElement(this.wrapper.find('.current-node-element').parent()[0]); }, getCurrentTextElement: function() { @@ -260,7 +348,7 @@ $.extend(Canvas.prototype, { element.dom().addClass('current-text-element'); } else { this.wrapper.find('.current-node-element').removeClass('current-node-element') - element.dom().addClass('current-node-element'); + element._container().addClass('current-node-element'); this.publisher('currentElementChanged', element); } }.bind(this); @@ -320,35 +408,9 @@ $.extend(Canvas.prototype, { }, toXML: function() { - var d = function(element, parent, level) { - console.log(element.getText ? 'text: ' + element.getText() : 'node: ' + element.getWlxmlTag()); - var isElementNode = element instanceof documentElement.DocumentNodeElement; - var parentChildren = parent.contents(); - var dom; - - var elXML = element.toXML(level); - if(parentChildren.length > 2 && parentChildren[0].nodeType === Node.TEXT_NODE && parentChildren[1].nodeType == Node.TEXT_NODE) { - $(parentChildren[0]).after(elXML); - } else { - parent.prepend(elXML); - } - - - if(isElementNode) { - elXML.each(function() { - if(this.nodeType === Node.ELEMENT_NODE) { - dom = $(this); - return; - } - }); - var elementChildren = element.children(); - for(var i = elementChildren.length - 1; i >= 0; i--) { - d(elementChildren[i], dom, level + 1); - } - } - } - var parent = $('
'); - d(this.doc(), parent, 0); + var parent = $('
'), + parts = this.doc().toXML(0); + parent.append(parts); return parent.html(); } }); @@ -358,7 +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; @@ -369,7 +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)) @@ -387,11 +449,11 @@ $.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')) { - listElement.wrapWithNodeElement({tag: 'div', klass: 'item'}); + var item = listElement.wrapWithNodeElement({tag: 'div', klass: 'item'}); + item.exec('toggleBullet', false); toret = listElement.parent(); } else { toret = listElement; @@ -417,6 +479,7 @@ $.extend(Canvas.prototype.list, { succeedingItems = [], items = list.children(), listIsNested = list.parent().getWlxmlClass() === 'item', + canvas = params.element1.canvas, i; if(idx1 > idx2) { @@ -458,7 +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) { @@ -519,7 +582,7 @@ $.extend(Cursor.prototype, { anchorElement = this.canvas.getDocumentElement(selection.anchorNode), focusElement = this.canvas.getDocumentElement(selection.focusNode); - if(anchorElement instanceof documentElement.DocumentNodeElement || focusElement instanceof documentElement.DocumentNodeElement) + if((!anchorElement) || (anchorElement instanceof documentElement.DocumentNodeElement) || (!focusElement) || focusElement instanceof documentElement.DocumentNodeElement) return {}; if(which === 'anchor') { @@ -527,7 +590,7 @@ $.extend(Cursor.prototype, { element: anchorElement, offset: selection.anchorOffset, offsetAtBeginning: selection.anchorOffset === 0, - offsetAtEnd: anchorElement && anchorElement.getText().length === selection.anchorOffset + offsetAtEnd: selection.anchorNode.data.length === selection.anchorOffset }; } if(which === 'focus') { @@ -535,7 +598,7 @@ $.extend(Cursor.prototype, { element: focusElement, offset: selection.focusOffset, offsetAtBeginning: selection.focusOffset === 0, - offsetAtEnd: focusElement && focusElement.getText().length === selection.focusOffset + offsetAtEnd: selection.focusNode.data.length === selection.focusOffset }; } @@ -548,11 +611,11 @@ $.extend(Cursor.prototype, { if(anchorFirst) { if(which === 'start') { element = anchorElement; - offset = selection.anchorOffset; + offset = selection.anchorOffset } else if(which === 'end') { element = focusElement, - offset = selection.focusOffset; + offset = selection.focusOffset } } else { if(which === 'start') { @@ -561,7 +624,7 @@ $.extend(Cursor.prototype, { } else if(which === 'end') { element = anchorElement; - offset = selection.anchorOffset; + offset = selection.anchorOffset } } } else { @@ -575,11 +638,12 @@ $.extend(Cursor.prototype, { } } + var nodeLen = (element.sameNode(focusElement) ? selection.focusNode : selection.anchorNode).length; return { element: element, offset: offset, offsetAtBeginning: offset === 0, - offsetAtEnd: element.getText().length === offset + offsetAtEnd: nodeLen === offset } } })