X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/cf7c3b4fb3a419476a0d7f6118d3ba9a3fd0c809..efe36f4f1b5df351eeb4d40a54c3900cf9a7079b:/modules/documentCanvas/canvas/canvas.js?ds=sidebyside diff --git a/modules/documentCanvas/canvas/canvas.js b/modules/documentCanvas/canvas/canvas.js deleted file mode 100644 index 8882c1c..0000000 --- a/modules/documentCanvas/canvas/canvas.js +++ /dev/null @@ -1,566 +0,0 @@ -define([ -'libs/jquery-1.9.1.min', -'libs/underscore-min', -'modules/documentCanvas/canvas/documentElement' -], function($, _, documentElement) { - -'use strict'; - -var Canvas = function(wlxml, publisher) { - this.loadWlxml(wlxml); - this.publisher = publisher ? publisher : function() {}; -}; - -$.extend(Canvas.prototype, { - - loadWlxml: function(wlxml) { - var d = wlxml ? $($.trim(wlxml)) : null; - if(d) { - this.wrapper = $('
').addClass('canvas-wrapper').attr('contenteditable', true); - this.wrapper.append(d); - - this.wrapper.find('*').replaceWith(function() { - var currentTag = $(this); - if(currentTag.attr('wlxml-tag')) - return; - - var meta = {}, others = {}; - for(var i = 0; i < this.attributes.length; i++) { - var attr = this.attributes[i]; - if(attr.name.substr(0, 5) === 'meta-') - meta[attr.name.substr(5)] = attr.value; - else if(attr.name !== 'class') - others[attr.name] = attr.value; - } - - var element = documentElement.DocumentNodeElement.create({ - tag: currentTag.prop('tagName').toLowerCase(), - klass: currentTag.attr('class'), - meta: meta, - others: others - }); - - element.dom().append(currentTag.contents()); - ['orig-before', 'orig-append'].forEach(function(attr) { - element.data(attr, ['']); - }); - return element.dom(); - }); - - this.wrapper.find(':not(iframe)').addBack().contents() - .filter(function() {return this.nodeType === Node.TEXT_NODE}) - .each(function() { - // TODO: use DocumentElement API - - 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 && $(el.prev()[0]).attr('wlxml-tag') === 'span', - hasSpanAfter = el.next().length > 0 && $(el.next()[0]).attr('wlxml-tag') === 'span'; - - - var addInfo = function(toAdd) { - var parentContents = elParent.contents(), - idx = parentContents.index(el[0]), - next = idx < parentContents.length - 1 ? parentContents[idx+1] : null; - if(next) { - $(next).data('orig-before', toAdd); - } else { - elParent.data('orig-append', toAdd); - } - } - - text.transformed = text.trimmed; - - if(hasSpanParent || hasSpanBefore || hasSpanAfter) { - var startSpace = /\s/g.test(text.original.substr(0,1)), - endSpace = /\s/g.test(text.original.substr(-1)) && text.original.length > 1; - text.transformed = (startSpace && (hasSpanParent || hasSpanBefore) ? ' ' : '') - + text.trimmed - + (endSpace && (hasSpanParent || hasSpanAfter) ? ' ' : ''); - } else { - if(text.trimmed.length === 0 && text.original.length > 0 && elParent.contents().length === 1) - text.transformed = ' '; - } - - if(!text.transformed) { - addInfo([text.original]); - el.remove(); - return true; // continue - } - - if(text.transformed !== text.original) { - var toAdd = []; - if(!text.trimmed) { - toAdd.push(text.original); - } else { - var startingMatch = text.original.match(/^\s+/g), - endingMatch = text.original.match(/\s+$/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); - toAdd.push(endingWhiteSpace); - } - - if(startingWhiteSpace) { - if(text.transformed[0] === ' ' && startingWhiteSpace[startingWhiteSpace.length-1] === ' ') - startingWhiteSpace = startingWhiteSpace.substr(0, startingWhiteSpace.length -1); - toAdd.push(startingWhiteSpace); - } - } - addInfo(toAdd); - } - - 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', 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) { - e.stopPropagation(); - canvas.setCurrentElement(canvas.getDocumentElement(e.target), {caretTo: false}); - }); - - } else { - this.d = null; - } - }, - - view: function() { - return this.wrapper; - }, - - doc: function() { - if(this.d === null) - return null; - return documentElement.DocumentNodeElement.fromHTMLElement(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')}; - }, - - wrapText: function(params) { - params = _.extend({textNodeIdx: 0}, params); - if(typeof params.textNodeIdx === 'number') - params.textNodeIdx = [params.textNodeIdx]; - - var childrenInside = params.inside.children(), - idx1 = Math.min.apply(Math, params.textNodeIdx), - idx2 = Math.max.apply(Math, params.textNodeIdx), - textNode1 = childrenInside[idx1], - textNode2 = childrenInside[idx2], - sameNode = textNode1.sameNode(textNode2), - prefixOutside = textNode1.getText().substr(0, params.offsetStart), - prefixInside = textNode1.getText().substr(params.offsetStart), - suffixInside = textNode2.getText().substr(0, params.offsetEnd), - suffixOutside = textNode2.getText().substr(params.offsetEnd) - ; - - var wrapperElement = documentElement.DocumentNodeElement.create({tag: params._with.tag, klass: params._with.klass}); - textNode1.after(wrapperElement); - textNode1.detach(); - - if(prefixOutside.length > 0) - wrapperElement.before({text:prefixOutside}); - if(sameNode) { - var core = textNode1.getText().substr(params.offsetStart, params.offsetEnd - params.offsetStart); - wrapperElement.append({text: core}); - } else { - textNode2.detach(); - if(prefixInside.length > 0) - wrapperElement.append({text: prefixInside}); - for(var i = idx1 + 1; i < idx2; i++) { - wrapperElement.append(childrenInside[i]); - } - if(suffixInside.length > 0) - wrapperElement.append({text: suffixInside}); - } - if(suffixOutside.length > 0) - wrapperElement.after({text: suffixOutside}); - return wrapperElement; - }, - getDocumentElement: function(from) { - if(from instanceof HTMLElement || from instanceof Text) { - return documentElement.DocumentElement.fromHTMLElement(from, this); - } - }, - getCursor: function() { - return new Cursor(this); - }, - - 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]); - }, - - getCurrentTextElement: function() { - return this.getDocumentElement(this.wrapper.find('.current-text-element')[0]); - }, - - - - setCurrentElement: function(element, params) { - params = _.extend({caretTo: 'end'}, params); - var findFirstDirectTextChild = function(e, nodeToLand) { - var byBrowser = this.getCursor().getPosition().element; - if(byBrowser && byBrowser.parent().sameNode(nodeToLand)) - return byBrowser; - var children = e.children(); - for(var i = 0; i < children.length; i++) { - if(children[i] instanceof documentElement.DocumentTextElement) - return children[i]; - } - return null; - }.bind(this); - var _markAsCurrent = function(element) { - if(element instanceof documentElement.DocumentTextElement) { - this.wrapper.find('.current-text-element').removeClass('current-text-element'); - element.dom().addClass('current-text-element'); - } else { - this.wrapper.find('.current-node-element').removeClass('current-node-element') - element.dom().addClass('current-node-element'); - this.publisher('currentElementChanged', element); - } - }.bind(this); - - - var isTextElement = element instanceof documentElement.DocumentTextElement, - nodeElementToLand = isTextElement ? element.parent() : element, - textElementToLand = isTextElement ? element : findFirstDirectTextChild(element, nodeElementToLand), - currentTextElement = this.getCurrentTextElement(), - currentNodeElement = this.getCurrentNodeElement(); - - if(currentTextElement && !(currentTextElement.sameNode(textElementToLand))) - this.wrapper.find('.current-text-element').removeClass('current-text-element'); - - if(textElementToLand) { - _markAsCurrent(textElementToLand); - if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element)) - this._moveCaretToTextElement(textElementToLand, params.caretTo); // as method on element? - if(!(textElementToLand.sameNode(currentTextElement))) - this.publisher('currentTextElementSet', textElementToLand); - } else { - document.getSelection().removeAllRanges(); - } - - if(!(currentNodeElement && currentNodeElement.sameNode(nodeElementToLand))) { - _markAsCurrent(nodeElementToLand); - - this.publisher('currentNodeElementSet', nodeElementToLand); - } - }, - - _moveCaretToTextElement: function(element, where) { - var range = document.createRange(), - node = element.dom().contents()[0]; - - if(typeof where !== 'number') { - range.selectNodeContents(node); - } else { - range.setStart(node, where); - } - - var collapseArg = true; - if(where === 'end') - collapseArg = false; - range.collapse(collapseArg); - - var selection = document.getSelection(); - - selection.removeAllRanges(); - selection.addRange(range); - this.wrapper.focus(); // FF requires this for caret to be put where range colllapses, Chrome doesn't. - }, - - setCursorPosition: function(position) { - if(position.element) - this._moveCaretToTextElement(position.element, position.offset); - }, - - toXML: function() { - var parent = $('
'); - this.doc().toXML(parent, 0) - return parent.html(); - } -}); - -$.extend(Canvas.prototype.list, { - create: function(params) { - if(!(params.element1.parent().sameNode(params.element2.parent()))) - return false; - - var parent = params.element1.parent(); - - if(parent.childIndex(params.element1) > parent.childIndex(params.element2)) { - var tmp = params.element1; - params.element1 = params.element2; - params.element2 = tmp; - } - - var elementsToWrap = []; - - var place = 'before'; - var canvas = this; - parent.children().some(function(element) { - var _e = element; - if(element.sameNode(params.element1)) - place = 'inside'; - if(place === 'inside') { - if(element instanceof documentElement.DocumentTextElement) { - element = element.wrapWithNodeElement({tag: 'div', klass: 'list.item'}); - if(element.children()[0].sameNode(params.element1)) - params.element1 = element; - } - element.setWlxmlClass('item'); - elementsToWrap.push(element); - } - if(_e.sameNode(params.element2)) - return true; - }); - - var listElement = documentElement.DocumentNodeElement.create({tag: 'div', klass: 'list-items' + (params.type === 'enum' ? '-enum' : '')}); - - var toret; - if(parent.is('list')) { - listElement.wrapWithNodeElement({tag: 'div', klass: 'item'}); - toret = listElement.parent(); - } else { - toret = listElement; - } - - params.element1.before(toret); - - elementsToWrap.forEach(function(element) { - element.detach(); - listElement.append(element); - }); - }, - extractItems: function(params) { - params = _.extend({merge: true}, params); - var list = params.element1.parent(); - if(!list.is('list') || !(list.sameNode(params.element2.parent()))) - return false; - - var idx1 = list.childIndex(params.element1), - idx2 = list.childIndex(params.element2), - precedingItems = [], - extractedItems = [], - succeedingItems = [], - items = list.children(), - listIsNested = list.parent().getWlxmlClass() === 'item', - i; - - if(idx1 > idx2) { - var tmp = idx1; idx1 = idx2; idx2 = tmp; - } - - items.forEach(function(item, idx) { - if(idx < idx1) - precedingItems.push(item); - else if(idx >= idx1 && idx <= idx2) { - extractedItems.push(item); - } - else { - succeedingItems.push(item); - } - }); - - var reference = listIsNested ? list.parent() : list; - if(succeedingItems.length === 0) { - var reference_orig = reference; - extractedItems.forEach(function(item) { - reference.after(item); - reference = item; - if(!listIsNested) - item.setWlxmlClass(null); - }); - if(precedingItems.length === 0) - reference_orig.detach(); - } else if(precedingItems.length === 0) { - extractedItems.forEach(function(item) { - reference.before(item); - if(!listIsNested) - item.setWlxmlClass(null); - }); - } else { - extractedItems.forEach(function(item) { - reference.after(item); - if(!listIsNested) - item.setWlxmlClass(null); - reference = item; - }); - var secondList = documentElement.DocumentNodeElement.create({tag: 'div', klass:'list-items'}, this), - toAdd = secondList; - - if(listIsNested) { - toAdd = secondList.wrapWithNodeElement({tag: 'div', klass:'item'}); - } - succeedingItems.forEach(function(item) { - secondList.append(item); - }); - - reference.after(toAdd); - } - if(!params.merge && listIsNested) { - return this.extractItems({element1: extractedItems[0], element2: extractedItems[extractedItems.length-1]}); - } - return true; - }, - areItemsOfTheSameList: function(params) { - var e1 = params.element1, - e2 = params.element2; - return e1.parent().sameNode(e2.parent()) - && e1.parent().is('list'); - } -}); - - -var Cursor = function(canvas) { - this.canvas = canvas; -}; - -$.extend(Cursor.prototype, { - isSelecting: function() { - var selection = window.getSelection(); - return !selection.isCollapsed; - }, - isSelectingWithinElement: function() { - return this.isSelecting() && this.getSelectionStart().element.sameNode(this.getSelectionEnd().element); - }, - isSelectingSiblings: function() { - return this.isSelecting() && this.getSelectionStart().element.parent().sameNode(this.getSelectionEnd().element.parent()); - }, - getPosition: function() { - return this.getSelectionAnchor(); - }, - getSelectionStart: function() { - return this.getSelectionBoundry('start'); - }, - getSelectionEnd: function() { - return this.getSelectionBoundry('end'); - }, - getSelectionAnchor: function() { - return this.getSelectionBoundry('anchor'); - }, - getSelectionFocus: function() { - return this.getSelectionBoundry('focus'); - }, - getSelectionBoundry: function(which) { - var selection = window.getSelection(), - anchorElement = this.canvas.getDocumentElement(selection.anchorNode), - focusElement = this.canvas.getDocumentElement(selection.focusNode); - - if(anchorElement instanceof documentElement.DocumentNodeElement || focusElement instanceof documentElement.DocumentNodeElement) - return {}; - - if(which === 'anchor') { - return { - element: anchorElement, - offset: selection.anchorOffset, - offsetAtBeginning: selection.anchorOffset === 0, - offsetAtEnd: anchorElement && anchorElement.getText().length === selection.anchorOffset - }; - } - if(which === 'focus') { - return { - element: focusElement, - offset: selection.focusOffset, - offsetAtBeginning: selection.focusOffset === 0, - offsetAtEnd: focusElement && focusElement.getText().length === selection.focusOffset - }; - } - - var element, - offset; - - if(anchorElement.parent().sameNode(focusElement.parent())) { - var parent = anchorElement.parent(), - anchorFirst = parent.childIndex(anchorElement) < parent.childIndex(focusElement); - if(anchorFirst) { - if(which === 'start') { - element = anchorElement; - offset = selection.anchorOffset; - } - else if(which === 'end') { - element = focusElement, - offset = selection.focusOffset; - } - } else { - if(which === 'start') { - element = focusElement, - offset = selection.focusOffset - } - else if(which === 'end') { - element = anchorElement; - 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 = selection.anchorOffset - } else { - element = focusElement; - offset = selection.focusOffset - } - } - - return { - element: element, - offset: offset, - offsetAtBeginning: offset === 0, - offsetAtEnd: element.getText().length === offset - } - } -}) - -return { - fromXML: function(xml, publisher) { - return new Canvas(xml, publisher); - } -}; - -}); \ No newline at end of file