X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/1d25d2c941f5ffdc6e0824724db9a34960dc5450..67387c5b199cba829f5f7563ff93020328cbe0ef:/modules/documentCanvas/canvas/canvas.js?ds=inline diff --git a/modules/documentCanvas/canvas/canvas.js b/modules/documentCanvas/canvas/canvas.js index c4bfc09..144417a 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() { @@ -57,22 +56,53 @@ $.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(); + position.element.split({offset: position.offset}); + } + } + }); + + 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.wrap(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')}; + return documentElement.DocumentNodeElement.fromHTMLElement(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')}; }, wrapText: function(params) { @@ -117,10 +147,113 @@ $.extend(Canvas.prototype, { }, getDocumentElement: function(from) { if(from instanceof HTMLElement || from instanceof Text) { - return documentElement.wrap(from, this); + return documentElement.DocumentElement.fromHTMLElement(from, this); } }, - list: {} + 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', element); + } 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, { @@ -253,9 +386,92 @@ $.extend(Canvas.prototype.list, { } }); + +var Cursor = function(canvas) { + this.canvas = canvas; +}; + +$.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); + fromXML: function(xml, publisher) { + return new Canvas(xml, publisher); } };