X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/d0db6d70e04af12eeac7275d6140b53df001aa1e..9db0e3facfdcb376b589ea922215bbdb1a3d1787:/modules/documentCanvas/canvas/canvas.js diff --git a/modules/documentCanvas/canvas/canvas.js b/modules/documentCanvas/canvas/canvas.js index 9506049..88a8839 100644 --- a/modules/documentCanvas/canvas/canvas.js +++ b/modules/documentCanvas/canvas/canvas.js @@ -6,8 +6,9 @@ define([ 'use strict'; -var Canvas = function(wlxml) { +var Canvas = function(wlxml, publisher) { this.loadWlxml(wlxml); + this.publisher = publisher ? publisher : function() {}; }; $.extend(Canvas.prototype, { @@ -15,25 +16,23 @@ $.extend(Canvas.prototype, { loadWlxml: function(wlxml) { var d = wlxml ? $($.trim(wlxml)) : null; if(d) { - var wrapper = $('
'); - wrapper.append(d); + this.wrapper = $('
').addClass('canvas-wrapper').attr('contenteditable', true); + this.wrapper.append(d); - wrapper.find('*').replaceWith(function() { + this.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; + var element = documentElement.DocumentNodeElement.createDOM({ + tag: currentTag.prop('tagName').toLowerCase(), + klass: currentTag.attr('class') + }); + + element.append(currentTag.contents()); + return element; }); - wrapper.find(':not(iframe)').addBack().contents() + this.wrapper.find(':not(iframe)').addBack().contents() .filter(function() {return this.nodeType === Node.TEXT_NODE}) .each(function() { @@ -57,18 +56,60 @@ $.extend(Canvas.prototype, { this.data = $.trim(this.data); if(this.data.length === 0 && oldLength > 0 && el.parent().contents().length === 1) this.data = ' '; - if(this.data.length === 0) + if(this.data.length === 0) { $(this).remove(); + return true; // continue + } } + + var element = documentElement.DocumentTextElement.create({text: this.data}); + $(this).replaceWith(element.dom()); }); - this.d = wrapper.children(0); - this.d.unwrap(); + 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; @@ -125,7 +166,105 @@ $.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]); + }, + + 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); + } }); $.extend(Canvas.prototype.list, { @@ -291,10 +430,15 @@ $.extend(Cursor.prototype, { 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 + offset: selection.anchorOffset, + offsetAtBeginning: selection.anchorOffset === 0, + offsetAtEnd: anchorElement && anchorElement.getText().length === selection.anchorOffset }; } @@ -336,14 +480,16 @@ $.extend(Cursor.prototype, { return { element: element, - offset: offset + offset: offset, + offsetAtBeginning: offset === 0, + offsetAtEnd: element.getText().length === offset } } }) return { - fromXML: function(xml) { - return new Canvas(xml); + fromXML: function(xml, publisher) { + return new Canvas(xml, publisher); } };