X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/86ecf0f60182c63eecb45c7cc836fe5a050d8d8a..f17e9178a91a7df96fd252f66e058e880eac8932:/modules/documentCanvas/canvas/documentElement.js?ds=sidebyside diff --git a/modules/documentCanvas/canvas/documentElement.js b/modules/documentCanvas/canvas/documentElement.js index d1973b8..0309136 100644 --- a/modules/documentCanvas/canvas/documentElement.js +++ b/modules/documentCanvas/canvas/documentElement.js @@ -1,50 +1,177 @@ 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, { + create: function(params, canvas) { + return elementTypeFromParams(params).create(params); + }, + + createDOM: function(params) { + return elementTypeFromParams(params).createDOM(params); + }, + + 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() { + var parents = this.$element.parents('[wlxml-tag]'); + if(parents.length) + return DocumentElement.fromHTMLElement(parents[0], this.canvas); + return null; + }, + + parents: function() { + var parents = [], + parent = this.parent(); + while(parent) { + parents.push(parent); + parent = parent.parent(); + } + return parents; + }, + + sameNode: function(other) { + return other && (typeof other === typeof this) && other.dom()[0] === this.dom()[0]; + }, + + wrapWithNodeElement: function(wlxmlNode) { + var wrapper = DocumentNodeElement.create({tag: wlxmlNode.tag, klass: wlxmlNode.klass}); + this.dom().replaceWith(wrapper.dom()); + wrapper.append(this); + return wrapper; + }, + + detach: function() { + this.dom().detach(); + this.canvas = null; + }, + + markAsCurrent: function() { + this.canvas.markAsCurrent(this); + }, + + getVerticallyFirstTextElement: function() { + var toret; + this.children().some(function(child) { + if(!child.isVisible()) + return false; // continue + if(child instanceof DocumentTextElement) { + toret = child; + return true; // break + } else { + toret = child.getVerticallyFirstTextElement(); + if(toret) + return true; // break + } + }); + return toret; + }, + + isVisible: function() { + return this instanceof DocumentTextElement || this.getWlxmlTag() !== 'metadata'; + } +}); + + +// DocumentNodeElement represents an element node from WLXML document rendered inside Canvas +var DocumentNodeElement = function(htmlElement, canvas) { + DocumentElement.call(this, htmlElement, canvas); +}; + +$.extend(DocumentNodeElement, { + createDOM: function(params) { + var dom = $('
') + .attr('wlxml-tag', params.tag); + if(params.klass) + dom.attr('wlxml-class', params.klass.replace(/\./g, '-')); + return dom; + }, + + create: function(params, canvas) { + return this.fromHTMLElement(this.createDOM(params)[0]); + }, + + fromHTMLElement: function(htmlElement, canvas) { + return new this(htmlElement, canvas); + } +}); + +var manipulate = function(e, params, action) { + var element; + if(params instanceof DocumentElement) { + element = params; + } else { + element = DocumentElement.create(params); + } + e.dom()[action](element.dom()); + return element; +}; + +DocumentNodeElement.prototype = new DocumentElement(); + +$.extend(DocumentNodeElement.prototype, { + append: function(params) { + return manipulate(this, params, 'append'); + }, + before: function(params) { + return manipulate(this, params, 'before'); + + }, + after: function(params) { + return manipulate(this, params, 'after'); + }, children: function() { var toret = []; if(this instanceof DocumentTextElement) return toret; - var elementContent = this.$element.contents(); + var elementContent = this.dom().contents(); + var element = this; 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()) === '') + 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 && element instanceof DocumentTextElement) { + if(idx > 0 && childElement instanceof DocumentTextElement) { if(toret[toret.length-1] instanceof DocumentNodeElement && $.trim($(this).text()) === '') return true; } - toret.push(element); + toret.push(childElement); }); return toret; }, - parent: function() { - return documentElementFromHTMLElement(this.$element.parent()[0]); - }, - - sameNode: function(other) { - return other && (typeof other === typeof this) && other.$element[0] === this.$element[0]; - }, - - wrapWithNodeElement: function(wlxmlNode) { - this.$element.wrap($('<' + wlxmlNode.tag + ' class="' + wlxmlNode.klass + '"">')[0]); - return documentElementFromHTMLElement(this.$element.parent().get(0)); - }, - childIndex: function(child) { var children = this.children(), toret = null; @@ -55,51 +182,171 @@ $.extend(DocumentElement.prototype, { } }); return toret; + }, + getWlxmlTag: function() { + return this.dom().attr('wlxml-tag'); + }, + setWlxmlTag: function(tag) { + this.dom().attr('wlxml-tag', tag); + }, + getWlxmlClass: function() { + var klass = this.dom().attr('wlxml-class'); + if(klass) + return klass.replace('-', '.'); + return undefined; + }, + setWlxmlClass: function(klass) { + if(klass) + this.dom().attr('wlxml-class', klass); + else + this.dom().removeAttr('wlxml-class'); + }, + is: function(what) { + if(what === 'list' && _.contains(['list-items', 'list-items-enum'], this.dom().attr('wlxml-class'))) + return true; + return false; } }); -var DocumentNodeElement = function(htmlElement) { - DocumentElement.call(this, htmlElement); -}; -var DocumentTextElement = function(htmlElement) { - DocumentElement.call(this, htmlElement); +// DocumentNodeElement represents a text node from WLXML document rendered inside Canvas +var DocumentTextElement = function(htmlElement, canvas) { + DocumentElement.call(this, htmlElement, canvas); }; -DocumentNodeElement.prototype = new DocumentElement(); -DocumentTextElement.prototype = new DocumentElement(); +$.extend(DocumentTextElement, { + createDOM: function(params) { + return $('
') + .attr('wlxml-text', '') + .text(params.text); + }, -$.extend(DocumentNodeElement.prototype, { - append: function(params) { - var to_append = DocumentNodeElement.createDOM(params.tag, params.klass); - this.$element.append(to_append); - return documentElementFromHTMLElement(to_append); + create: function(params, canvas) { + return this.fromHTMLElement(this.createDOM(params)[0]); }, - after: function(params) { - var to_append = DocumentNodeElement.createDOM(params.tag, params.klass); - this.$element.after(to_append); - return documentElementFromHTMLElement(to_append); + + fromHTMLElement: function(htmlElement, canvas) { + return new this(htmlElement, canvas); } }); -DocumentNodeElement.createDOM = function(tag, klass) { - var dom = $('<' + tag + '>'); - if(klass) - dom.attr('class', klass); - return dom; -}; +DocumentTextElement.prototype = new DocumentElement(); -var documentElementFromHTMLElement = function(htmlElement) { - if(htmlElement.nodeType === Node.ELEMENT_NODE) - return new DocumentNodeElement(htmlElement); - if(htmlElement.nodeType === Node.TEXT_NODE) - return new DocumentTextElement(htmlElement); -}; +$.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.dom().contents()[0].data = text; + }, + getText: function() { + return this.dom().text(); + }, + after: 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().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); -return { - wrap: function(htmlElement) { - return documentElementFromHTMLElement(htmlElement); + parentElement.children().forEach(function(child) { + if(passed) + succeedingChildren.push(child); + if(child.sameNode(thisElement)) + passed = true; + }); + + 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 {first: parentElement, second: newElement}; }, +}); + +return { DocumentElement: DocumentElement, DocumentNodeElement: DocumentNodeElement, DocumentTextElement: DocumentTextElement