X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/a29236f6a3f5166a3cace703dd5f89cf17405617..ecf245195f18fa05ff987a10f8e26d53ba8f36ed:/modules/documentCanvas/canvas/canvas.js diff --git a/modules/documentCanvas/canvas/canvas.js b/modules/documentCanvas/canvas/canvas.js index 5ec69ea..e6b8135 100644 --- a/modules/documentCanvas/canvas/canvas.js +++ b/modules/documentCanvas/canvas/canvas.js @@ -13,11 +13,26 @@ var Canvas = function(wlxml) { $.extend(Canvas.prototype, { loadWlxml: function(wlxml) { - var xml = $.parseXML(wlxml); - this.d = xml !== null ? $(xml.childNodes[0]) : null; - if(this.d) { + var d = wlxml ? $($.trim(wlxml)) : null; + if(d) { var wrapper = $('
'); - wrapper.append(this.d); + 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() { @@ -25,9 +40,9 @@ $.extend(Canvas.prototype, { var el = $(this); // TODO: use DocumentElement API - var spanParent = el.parent().prop('tagName') === 'span', - spanBefore = el.prev().length > 0 && $(el.prev()[0]).prop('tagName') === 'span', - spanAfter = el.next().length > 0 && $(el.next()[0]).prop('tagName') === 'span'; + 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)); @@ -38,11 +53,20 @@ $.extend(Canvas.prototype, { + (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() { @@ -91,7 +115,17 @@ $.extend(Canvas.prototype, { wrapperElement.after({text: suffixOutside}); return wrapperElement; }, - list: {} + 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, { @@ -111,7 +145,8 @@ $.extend(Canvas.prototype.list, { var place = 'before'; var canvas = this; - parent.children().forEach(function(element) { + parent.children().some(function(element) { + var _e = element; if(element.sameNode(params.element1)) place = 'inside'; if(place === 'inside') { @@ -123,15 +158,15 @@ $.extend(Canvas.prototype.list, { element.setWlxmlClass('item'); elementsToWrap.push(element); } - if(element.sameNode(params.element2)) - return false; + 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.wrap({tag: 'div', klass: 'item'}); + listElement.wrapWithNodeElement({tag: 'div', klass: 'item'}); toret = listElement.parent(); } else { toret = listElement; @@ -143,9 +178,169 @@ $.extend(Canvas.prototype.list, { 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);