X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/02a91f42fa120c3f1d5f08100cf0f85bc571b5d1..72dfc92f908add69b4d862e9b6c3107e2a8acd21:/modules/documentCanvas/canvas/canvas.js diff --git a/modules/documentCanvas/canvas/canvas.js b/modules/documentCanvas/canvas/canvas.js index 7d99f36..e6b8135 100644 --- a/modules/documentCanvas/canvas/canvas.js +++ b/modules/documentCanvas/canvas/canvas.js @@ -1,25 +1,346 @@ define([ 'libs/jquery-1.9.1.min', +'libs/underscore-min', 'modules/documentCanvas/canvas/documentElement' -], function($, documentElement) { +], function($, _, documentElement) { 'use strict'; -var Canvas = function(xml) { - xml = $.parseXML(xml); - this.d = xml !== null ? $(xml.childNodes[0]) : null; +var Canvas = function(wlxml) { + this.loadWlxml(wlxml); }; $.extend(Canvas.prototype, { + loadWlxml: function(wlxml) { + var d = wlxml ? $($.trim(wlxml)) : null; + if(d) { + var wrapper = $('
'); + wrapper.append(d); + + wrapper.find('*').replaceWith(function() { + var currentTag = $(this); + if(currentTag.attr('wlxml-tag')) + return; + var toret = $('
').attr('wlxml-tag', currentTag.prop('tagName').toLowerCase()); + //toret.attr('id', 'xxxxxxxx-xxxx-xxxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {var r = Math.random()*16|0,v=c=='x'?r:r&0x3|0x8;return v.toString(16);})); + for(var i = 0; i < this.attributes.length; i++) { + var attr = this.attributes.item(i); + var value = attr.name === 'class' ? attr.value.replace(/\./g, '-') : attr.value; + toret.attr('wlxml-' + attr.name, value); + } + toret.append(currentTag.contents()); + return toret; + }); + + 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'; + + 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); + this.data = (startSpace && (spanParent || spanBefore) ? ' ' : '') + + trimmed + + (endSpace && (spanParent || spanAfter) ? ' ' : ''); + + } else { + var oldLength = this.data.length; + this.data = $.trim(this.data); + if(this.data.length === 0 && oldLength > 0 && el.parent().contents().length === 1) + this.data = ' '; + if(this.data.length === 0) + $(this).remove(); + } + }); + + this.d = wrapper.children(0); + this.d.unwrap(); + } else { + this.d = null; + } + }, + doc: function() { if(this.d === null) return null; - return documentElement.wrap(this.d.get(0)); //{wlxmlTag: this.d.prop('tagName')}; - } + return documentElement.wrap(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.wrap(from, this); + } + }, + getCursor: function() { + return new Cursor(this); + }, + + list: {}, + +}); + +$.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'); + }, + getSelectionBoundry: function(which) { + var selection = window.getSelection(), + anchorElement = this.canvas.getDocumentElement(selection.anchorNode), + focusElement = this.canvas.getDocumentElement(selection.focusNode); + + if(which === 'anchor') { + return { + element: anchorElement, + offset: selection.anchorOffset + }; + } + + 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 + if(which === 'start') { + element = anchorElement; + offset = selection.anchorOffset + } else { + element = focusElement; + offset = selection.focusOffset + } + } + + return { + element: element, + offset: offset + } + } +}) + return { fromXML: function(xml) { return new Canvas(xml);