X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/e002a72cd05229f4747aec88ca535c683e1da288..ef3798eb62c7d42315da10c02ce75ba0b9232dd0:/modules/documentCanvas/canvas/documentElement.js diff --git a/modules/documentCanvas/canvas/documentElement.js b/modules/documentCanvas/canvas/documentElement.js index 6fea275..7e5824b 100644 --- a/modules/documentCanvas/canvas/documentElement.js +++ b/modules/documentCanvas/canvas/documentElement.js @@ -1,85 +1,146 @@ define([ -'libs/jquery-1.9.1.min' -], function($) { +'libs/jquery-1.9.1.min', +'libs/underscore-min' +], function($, _) { 'use strict'; -// DocumentElement represents a node from WLXML document rendered inside Canvas -var DocumentElement = function(htmlElement) { + +// DocumentElement represents a text or an element node from WLXML document rendered inside Canvas +var DocumentElement = function(htmlElement, canvas) { if(arguments.length === 0) return; - this.$element = $(htmlElement); - this.wlxmlTag = this.$element.prop('tagName'); + this.canvas = canvas; + this._setupDOMHandler(htmlElement); +} + +var elementTypeFromParams = function(params) { + return params.text !== undefined ? DocumentTextElement : DocumentNodeElement; + }; -$.extend(DocumentElement.prototype, { - children: function() { - var toret = []; - if(this instanceof DocumentTextElement) - return toret; +$.extend(DocumentElement, { + create: function(params, canvas) { + return elementTypeFromParams(params).create(params); + }, + createDOM: function(params) { + return elementTypeFromParams(params).createDOM(params); + }, - var elementContent = this.$element.contents(); - elementContent.each(function(idx) { - var element = documentElementFromHTMLElement(this); - if(idx === 0 && elementContent.length > 1 && elementContent[1].nodeType === Node.ELEMENT_NODE && (element instanceof DocumentTextElement) && $.trim($(this).text()) === '') - return true; - if(idx > 0 && element instanceof DocumentTextElement) { - if(toret[toret.length-1] instanceof DocumentNodeElement && $.trim($(this).text()) === '') - return true; - } - toret.push(element); - }); - return toret; + fromHTMLElement: function(htmlElement, canvas) { + var $element = $(htmlElement); + if(htmlElement.nodeType === Node.ELEMENT_NODE && $element.attr('wlxml-tag')) + return DocumentNodeElement.fromHTMLElement(htmlElement, canvas); + if($element.attr('wlxml-text') !== undefined || (htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('wlxml-text') !== undefined)) + return DocumentTextElement.fromHTMLElement(htmlElement, canvas); + return undefined; + } +}); + +$.extend(DocumentElement.prototype, { + _setupDOMHandler: function(htmlElement) { + this.$element = $(htmlElement); + }, + dom: function() { + return this.$element; }, parent: function() { - return documentElementFromHTMLElement(this.$element.parent()[0]); + var parents = this.$element.parents('[wlxml-tag]'); + if(parents.length) + return DocumentElement.fromHTMLElement(parents[0], this.canvas); + return null; + }, + + parents: function() { + var parents = [], + parent = this.parent(); + while(parent) { + parents.push(parent); + parent = parent.parent(); + } + return parents; }, sameNode: function(other) { - return other && (typeof other === typeof this) && other.$element[0] === this.$element[0]; + return other && (typeof other === typeof this) && other.dom()[0] === this.dom()[0]; }, wrapWithNodeElement: function(wlxmlNode) { - this.$element.wrap($('<' + wlxmlNode.tag + ' class="' + wlxmlNode.klass + '"">')[0]); - return documentElementFromHTMLElement(this.$element.parent().get(0)); + var wrapper = DocumentNodeElement.create({tag: wlxmlNode.tag, klass: wlxmlNode.klass}); + this.dom().replaceWith(wrapper.dom()); + wrapper.append(this); + return wrapper; }, - childIndex: function(child) { - var children = this.children(), - toret = null; - children.forEach(function(c, idx) { - if(c.sameNode(child)) { - toret = idx; - return false; + detach: function() { + this.dom().detach(); + this.canvas = null; + }, + + markAsCurrent: function() { + this.canvas.markAsCurrent(this); + }, + + getVerticallyFirstTextElement: function() { + var toret; + this.children().some(function(child) { + if(!child.isVisible()) + return false; // continue + if(child instanceof DocumentTextElement) { + toret = child; + return true; // break + } else { + toret = child.getVerticallyFirstTextElement(); + if(toret) + return true; // break } }); return toret; + }, + + isVisible: function() { + return this instanceof DocumentTextElement || this.getWlxmlTag() !== 'metadata'; } }); -var DocumentNodeElement = function(htmlElement) { - DocumentElement.call(this, htmlElement); -}; -var DocumentTextElement = function(htmlElement) { - DocumentElement.call(this, htmlElement); +// DocumentNodeElement represents an element node from WLXML document rendered inside Canvas +var DocumentNodeElement = function(htmlElement, canvas) { + DocumentElement.call(this, htmlElement, canvas); }; -DocumentNodeElement.prototype = new DocumentElement(); -DocumentTextElement.prototype = new DocumentElement(); +$.extend(DocumentNodeElement, { + createDOM: function(params) { + var dom = $('
') + .attr('wlxml-tag', params.tag); + if(params.klass) + dom.attr('wlxml-class', params.klass.replace(/\./g, '-')); + return dom; + }, + + create: function(params, canvas) { + return this.fromHTMLElement(this.createDOM(params)[0]); + }, + + fromHTMLElement: function(htmlElement, canvas) { + return new this(htmlElement, canvas); + } +}); var manipulate = function(e, params, action) { - var dom; + var element; if(params instanceof DocumentElement) { - dom = params.dom() + element = params; } else { - dom = DocumentNodeElement.createDOM(params); + element = DocumentElement.create(params); } - e.$element[action](dom); - return documentElementFromHTMLElement(dom); + e.dom()[action](element.dom()); + return element; }; +DocumentNodeElement.prototype = new DocumentElement(); + $.extend(DocumentNodeElement.prototype, { append: function(params) { manipulate(this, params, 'append'); @@ -90,55 +151,200 @@ $.extend(DocumentNodeElement.prototype, { }, after: function(params) { manipulate(this, params, 'after'); + }, + children: function() { + var toret = []; + if(this instanceof DocumentTextElement) + return toret; + + + var elementContent = this.dom().contents(); + var element = this; + elementContent.each(function(idx) { + var childElement = DocumentElement.fromHTMLElement(this, element.canvas); + if(idx === 0 && elementContent.length > 1 && elementContent[1].nodeType === Node.ELEMENT_NODE && (childElement instanceof DocumentTextElement) && $.trim($(this).text()) === '') + return true; + if(idx > 0 && childElement instanceof DocumentTextElement) { + if(toret[toret.length-1] instanceof DocumentNodeElement && $.trim($(this).text()) === '') + return true; + } + toret.push(childElement); + }); + return toret; + }, + childIndex: function(child) { + var children = this.children(), + toret = null; + children.forEach(function(c, idx) { + if(c.sameNode(child)) { + toret = idx; + return false; + } + }); + return toret; + }, + getWlxmlTag: function() { + return this.dom().attr('wlxml-tag'); + }, + setWlxmlTag: function(tag) { + this.dom().attr('wlxml-tag', tag); + }, + getWlxmlClass: function() { + var klass = this.dom().attr('wlxml-class'); + if(klass) + return klass.replace('-', '.'); + return undefined; + }, + setWlxmlClass: function(klass) { + if(klass) + this.dom().attr('wlxml-class', klass); + else + this.dom().removeAttr('wlxml-class'); + }, + is: function(what) { + if(what === 'list' && _.contains(['list-items', 'list-items-enum'], this.dom().attr('wlxml-class'))) + return true; + return false; } }); -DocumentNodeElement.createDOM = function(params) { - var dom; - if(params.text) { - dom = $(document.createTextNode(params.text)); - } else { - dom = $('<' + params.tag + '>'); - if(params.klass) - dom.attr('class', params.klass); - } - return dom; + +// DocumentNodeElement represents a text node from WLXML document rendered inside Canvas +var DocumentTextElement = function(htmlElement, canvas) { + DocumentElement.call(this, htmlElement, canvas); }; +$.extend(DocumentTextElement, { + createDOM: function(params) { + return $('
') + .attr('wlxml-text', '') + .text(params.text); + }, + + create: function(params, canvas) { + return this.fromHTMLElement(this.createDOM(params)[0]); + }, + + fromHTMLElement: function(htmlElement, canvas) { + return new this(htmlElement, canvas); + } +}); + +DocumentTextElement.prototype = new DocumentElement(); + $.extend(DocumentTextElement.prototype, { + _setupDOMHandler: function(htmlElement) { + var $element = $(htmlElement); + if(htmlElement.nodeType === Node.TEXT_NODE) + this.$element = $element.parent(); + else + this.$element = $element; + }, setText: function(text) { - this.$element[0].data = text; + this.dom().contents()[0].data = text; }, getText: function() { - return this.$element.text(); + return this.dom().text(); }, after: function(params) { - if(params.text || params instanceof DocumentTextElement) + if(params instanceof DocumentTextElement || params.text) return false; - var dom; + var element; if(params instanceof DocumentNodeElement) { - dom = params.dom(); + element = params; } else { - dom = DocumentNodeElement.createDOM(params); + element = DocumentNodeElement.create(params); } - this.$element.wrap('
'); - this.$element.parent().after(dom[0]); - this.$element.unwrap(); - return documentElementFromHTMLElement(dom[0]); - } -}); + this.dom().wrap('
'); + this.dom().parent().after(element.dom()); + this.dom().unwrap(); + return element; + }, + before: function(params) { + if(params instanceof DocumentTextElement || params.text) + return false; + var element; + if(params instanceof DocumentNodeElement) { + element = params; + } else { + element = DocumentNodeElement.create(params); + } + this.dom().wrap('
'); + this.dom().parent().before(element.dom()); + this.dom().unwrap(); + return element; + }, + wrapWithNodeElement: function(wlxmlNode) { + if(typeof wlxmlNode.start === 'number' && typeof wlxmlNode.end === 'number') { + return this.canvas.wrapText({ + inside: this.parent(), + textNodeIdx: this.parent().childIndex(this), + offsetStart: Math.min(wlxmlNode.start, wlxmlNode.end), + offsetEnd: Math.max(wlxmlNode.start, wlxmlNode.end), + _with: {tag: wlxmlNode.tag, klass: wlxmlNode.klass} + }); + } else { + return DocumentElement.prototype.wrapWithNodeElement.call(this, wlxmlNode); + } + }, + unwrap: function() { + var parent = this.parent(); + if(parent.children().length === 1) { + var grandParent = parent.parent(); + if(grandParent) { + var grandParentChildren = grandParent.children(), + idx = grandParent.childIndex(parent), + prev = idx - 1 > -1 ? grandParentChildren[idx-1] : null, + next = idx + 1 < grandParentChildren.length ? grandParentChildren[idx+1] : null; + if(prev && next) { + prev.setText(prev.getText() + this.getText() + next.getText()); + next.detach(); + } else if (prev || next) { + var target = prev ? prev : next; + target.setText(target.getText() + this.getText()); + } else { + parent.after(this); + } + } else { + parent.after(this); + } + parent.detach(); + } + }, + split: function(params) { + var parentElement = this.parent(), + myIdx = parentElement.childIndex(this), + myCanvas = this.canvas, + passed = false, + succeedingChildren = [], + thisElement = this, + prefix = this.getText().substr(0, params.offset), + suffix = this.getText().substr(params.offset); -var documentElementFromHTMLElement = function(htmlElement) { - if(htmlElement.nodeType === Node.ELEMENT_NODE) - return new DocumentNodeElement(htmlElement); - if(htmlElement.nodeType === Node.TEXT_NODE) - return new DocumentTextElement(htmlElement); -}; + parentElement.children().forEach(function(child) { + if(passed) + succeedingChildren.push(child); + if(child.sameNode(thisElement)) + passed = true; + }); -return { - wrap: function(htmlElement) { - return documentElementFromHTMLElement(htmlElement); + if(prefix.length > 0) + this.setText(prefix); + else + this.detach(); + + var newElement = DocumentNodeElement.create({tag: parentElement.getWlxmlTag(), klass: parentElement.getWlxmlClass()}, myCanvas); + parentElement.after(newElement); + + if(suffix.length > 0) + newElement.append({text: suffix}); + succeedingChildren.forEach(function(child) { + newElement.append(child); + }); }, +}); + +return { DocumentElement: DocumentElement, DocumentNodeElement: DocumentNodeElement, DocumentTextElement: DocumentTextElement