define([
-'libs/jquery-1.9.1.min'
-], function($) {
+'libs/jquery-1.9.1.min',
+'libs/underscore-min',
+'modules/documentCanvas/classAttributes',
+'modules/documentCanvas/canvas/utils',
+'modules/documentCanvas/canvas/widgets',
+'modules/documentCanvas/canvas/wlxmlManagers'
+], function($, _, classAttributes, utils, widgets, wlxmlManagers) {
'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 && $element.attr('document-node-element') !== undefined)
+ return DocumentNodeElement.fromHTMLElement(htmlElement, canvas);
+ if($element.attr('document-text-element') !== undefined || (htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('document-text-element') !== undefined))
+ return DocumentTextElement.fromHTMLElement(htmlElement, canvas);
+ return undefined;
+ }
+});
+
$.extend(DocumentElement.prototype, {
+ _setupDOMHandler: function(htmlElement) {
+ this.$element = $(htmlElement);
+ },
+ bound: function() {
+ return $.contains(document.documentElement, this.dom()[0]);
+ },
+ dom: function() {
+ return this.$element;
+ },
+ parent: function() {
+ var parents = this.$element.parents('[document-node-element]');
+ 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);
+ this.dom().replaceWith(wrapper.dom());
+ wrapper.append(this);
+ return wrapper;
+ },
+
+ 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;
+ },
+
+ getPreviousTextElement: function(includeInvisible) {
+ return this.getNearestTextElement('above', includeInvisible);
+ },
+
+ getNextTextElement: function(includeInvisible) {
+ return this.getNearestTextElement('below', includeInvisible);
+ },
+
+ getNearestTextElement: function(direction, includeInvisible) {
+ includeInvisible = includeInvisible !== undefined ? includeInvisible : false;
+ var selector = '[document-text-element]' + (includeInvisible ? '' : ':visible');
+ return this.canvas.getDocumentElement(utils.nearestInDocumentOrder(selector, direction, this.dom()[0]));
+ },
+
+ isVisible: function() {
+ return this instanceof DocumentTextElement || this.getWlxmlTag() !== 'metadata';
+ },
+
+ isInsideList: function() {
+ return this.parents().some(function(parent) {
+ return parent.is('list');
+ });
+ },
+
+ exec: function(method) {
+ var manager = this.data('_wlxmlManager');
+ if(manager[method])
+ return manager[method].apply(manager, Array.prototype.slice.call(arguments, 1));
+ }
+});
+
+
+// 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, canvas) {
+ var dom = $('<div>')
+ .attr('document-node-element', ''),
+ widgetsContainer = $('<div>')
+ .addClass('canvas-widgets')
+ .attr('contenteditable', false),
+ container = $('<div>')
+ .attr('document-element-content', '');
+
+ dom.append(widgetsContainer, container);
+ // Make sure widgets aren't navigable with arrow keys
+ widgetsContainer.find('*').add(widgetsContainer).attr('tabindex', -1);
+
+ var element = this.fromHTMLElement(dom[0], canvas);
+
+ element.setWlxml({tag: params.tag, klass: params.klass});
+ if(params.meta) {
+ _.keys(params.meta).forEach(function(key) {
+ element.setWlxmlMetaAttr(key, params.meta[key]);
+ });
+ }
+ element.data('other-attrs', params.others);
+
+ if(params.rawChildren && params.rawChildren.length) {
+ container.append(params.rawChildren);
+ } else if(params.prepopulateOnEmpty) {
+ element.append(DocumentTextElement.create({text: ''}));
+ }
+ return dom;
+ },
+
+ create: function(params, canvas) {
+ return this.fromHTMLElement(this.createDOM(params, canvas)[0], canvas);
+ },
+
+ fromHTMLElement: function(htmlElement, canvas) {
+ return new this(htmlElement, canvas);
+ }
+});
+
+var manipulate = function(e, params, action) {
+ var element;
+ if(params instanceof DocumentElement) {
+ element = params;
+ } else {
+ element = DocumentElement.create(params);
+ }
+ var target = (action === 'append' || action === 'prepend') ? e._container() : e.dom();
+ target[action](element.dom());
+ return element;
+};
+
+DocumentNodeElement.prototype = new DocumentElement();
+
+
+$.extend(DocumentNodeElement.prototype, {
+ _container: function() {
+ return this.dom().children('[document-element-content]');
+ },
+ detach: function() {
+ var parent = this.parent();
+ if(!parent)
+ return;
+
+ var parentChildren = parent.children(),
+ myIdx = parent.childIndex(this);
+
+ if(myIdx > 0 && myIdx < parentChildren.length) {
+ if((parentChildren[myIdx-1] instanceof DocumentTextElement) && (parentChildren[myIdx+1] instanceof DocumentTextElement)) {
+ parentChildren[myIdx-1].appendText(parentChildren[myIdx+1].getText());
+ parentChildren[myIdx+1].detach();
+ }
+ }
+ this.dom().detach();
+ this.canvas = null;
+ return this;
+ },
+ unwrapContents: function() {
+ var parent = this.parent();
+ if(!parent)
+ return;
+
+ var parentChildren = parent.children(),
+ myChildren = this.children(),
+ myIdx = parent.childIndex(this);
+
+ if(myChildren.length === 0)
+ return this.detach();
+
+ var moveLeftRange, moveRightRange, leftMerged;
+
+ if(myIdx > 0 && (parentChildren[myIdx-1] instanceof DocumentTextElement) && (myChildren[0] instanceof DocumentTextElement)) {
+ parentChildren[myIdx-1].appendText(myChildren[0].getText());
+ myChildren[0].detach();
+ moveLeftRange = true;
+ leftMerged = true;
+ } else {
+ leftMerged = false;
+ }
+
+ if(!(leftMerged && myChildren.length === 1)) {
+ if(myIdx < parentChildren.length - 1 && (parentChildren[myIdx+1] instanceof DocumentTextElement) && (myChildren[myChildren.length-1] instanceof DocumentTextElement)) {
+ parentChildren[myIdx+1].prependText(myChildren[myChildren.length-1].getText());
+ myChildren[myChildren.length-1].detach();
+ moveRightRange = true;
+ }
+ }
+
+ var childrenLength = this.children().length;
+ this.children().forEach(function(child) {
+ this.before(child);
+ }.bind(this));
+
+ this.detach();
+
+ return {
+ element1: parent.children()[myIdx + (moveLeftRange ? -1 : 0)],
+ element2: parent.children()[myIdx + childrenLength-1 + (moveRightRange ? 1 : 0)]
+ };
+ },
+ data: function() {
+ var dom = this.dom(),
+ args = Array.prototype.slice.call(arguments, 0);
+ if(args.length === 2 && args[1] === undefined)
+ return dom.removeData(args[0]);
+ return dom.data.apply(dom, arguments);
+ },
+ toXML: function(level) {
+ var node = $('<' + this.getWlxmlTag() + '>');
+
+ if(this.getWlxmlClass())
+ node.attr('class', this.getWlxmlClass());
+ var meta = this.getWlxmlMetaAttrs();
+ meta.forEach(function(attr) {
+ if(attr.value)
+ node.attr('meta-' + attr.name, attr.value);
+ });
+ _.keys(this.data('other-attrs') || {}).forEach(function(key) {
+ node.attr(key, this.data('other-attrs')[key]);
+ }, this);
+
+ var addFormatting = function() {
+ var toret = $('<div>');
+ var formattings = {};
+
+ if(this.data('orig-before') !== undefined) {
+ if(this.data('orig-before')) {
+ toret.prepend(document.createTextNode(this.data('orig-before')));
+ }
+ } else if(level && this.getWlxmlTag() !== 'span') {
+ toret.append('\n' + (new Array(level * 2 + 1)).join(' '));
+ }
+
+ toret.append(node);
+
+ if(this.data('orig-after')) {
+ toret.append(document.createTextNode(this.data('orig-after')));
+ }
+
+ /* Inside node */
+ if(this.data('orig-begin')) {
+ node.prepend(this.data('orig-begin'));
+ formattings.begin = true;
+ }
+
+ if(this.data('orig-end') !== undefined) {
+ if(this.data('orig-end')) {
+ node.append(this.data('orig-end'));
+ }
+ } else if(this.getWlxmlTag() !== 'span' && children.length){
+ node.append('\n' + (new Array(level * 2 + 1)).join(' '));
+ }
+
+ return {parts: toret.contents(), formattings: formattings};
+ }.bind(this);
+
+
+
+ var children = this.children(),
+ childParts;
+
+ var formatting = addFormatting(node);
+
+ for(var i = children.length - 1; i >= 0; i--) {
+ childParts = children[i].toXML(level + 1);
+ if(typeof childParts === 'string')
+ childParts = [document.createTextNode(childParts)];
+
+ if(formatting.formattings.begin) {
+ $(node.contents()[0]).after(childParts);
+ } else
+ node.prepend(childParts);
+ }
+ return formatting.parts;
+ },
+ append: function(params) {
+ if(params.tag !== 'span')
+ this.data('orig-end', undefined);
+ return manipulate(this, params, 'append');
+ },
+ prepend: function(params) {
+ return manipulate(this, params, 'prepend');
+ },
+ before: function(params) {
+ return manipulate(this, params, 'before');
+
+ },
+ after: function(params) {
+ return manipulate(this, params, 'after');
+ },
children: function() {
var toret = [];
if(this instanceof DocumentTextElement)
return toret;
- var elementContent = this.$element.contents();
+ var elementContent = this._container().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(childElement === undefined)
return true;
- if(idx > 0 && element instanceof DocumentTextElement) {
+ 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(element);
+ toret.push(childElement);
});
return toret;
},
- parent: function() {
- return documentElementFromHTMLElement(this.$element.parent()[0]);
+ childIndex: function(child) {
+ var children = this.children(),
+ toret = null;
+ children.forEach(function(c, idx) {
+ if(c.sameNode(child)) {
+ toret = idx;
+ return false;
+ }
+ });
+ return toret;
},
+ getWlxmlTag: function() {
+ return this._container().attr('wlxml-tag');
+ },
+ setWlxmlTag: function(tag) {
+ if(tag === this.getWlxmlTag())
+ return;
- sameNode: function(other) {
- return other && (typeof other === typeof this) && other.$element[0] === this.$element[0];
+ this._container().attr('wlxml-tag', tag);
+ if(!this.__updatingWlxml)
+ this._updateWlxmlManager();
+ },
+ getWlxmlClass: function() {
+ var klass = this._container().attr('wlxml-class');
+ if(klass)
+ return klass.replace(/-/g, '.');
+ return undefined;
},
+ setWlxmlClass: function(klass) {
+ if(klass === this.getWlxmlClass())
+ return;
- wrapWithNodeElement: function(wlxmlNode) {
- this.$element.wrap($('<' + wlxmlNode.tag + ' class="' + wlxmlNode.klass + '"">')[0]);
- return documentElementFromHTMLElement(this.$element.parent().get(0));
+ this.getWlxmlMetaAttrs().forEach(function(attr) {
+ if(!classAttributes.hasMetaAttr(klass, attr.name))
+ this.dom().removeAttr('wlxml-meta-' + attr.name);
+ }, this);
+
+ if(klass)
+ this._container().attr('wlxml-class', klass.replace(/\./g, '-'));
+ else
+ this._container().removeAttr('wlxml-class');
+ if(!this.__updatingWlxml)
+ this._updateWlxmlManager();
+ },
+ setWlxml: function(params) {
+ this.__updatingWlxml = true;
+ if(params.tag !== undefined)
+ this.setWlxmlTag(params.tag);
+ if(params.klass !== undefined)
+ this.setWlxmlClass(params.klass);
+ this._updateWlxmlManager();
+ this.__updatingWlxml = false;
+ },
+ _updateWlxmlManager: function() {
+ var manager = wlxmlManagers.getFor(this);
+ this.data('_wlxmlManager', manager);
+ manager.setup();
+ },
+ is: function(what) {
+ if(what === 'list' && _.contains(['list.items', 'list.items.enum'], this.getWlxmlClass()))
+ return true;
+ return false;
+ },
+
+ getWlxmlMetaAttr: function(attr) {
+ return this.dom().attr('wlxml-meta-'+attr);
+ },
+
+ getWlxmlMetaAttrs: function() {
+ var toret = [];
+ var attrList = classAttributes.getMetaAttrsList(this.getWlxmlClass());
+ attrList.all.forEach(function(attr) {
+ toret.push({name: attr.name, value: this.getWlxmlMetaAttr(attr.name) || ''});
+ }, this);
+ return toret;
+ },
+
+ setWlxmlMetaAttr: function(attr, value) {
+ this.dom().attr('wlxml-meta-'+attr, value);
+ },
+
+ toggleLabel: function(toggle) {
+ var displayCss = toggle ? 'inline-block' : 'none';
+ var label = this.dom().children('.canvas-widgets').find('.canvas-widget-label');
+ label.css('display', displayCss);
+ this.toggleHighlight(toggle);
+ },
+
+ toggleHighlight: function(toggle) {
+ this._container().toggleClass('highlighted-element', toggle);
+ },
+
+ toggle: function(toggle) {
+ var mng = this.data('_wlxmlManager');
+ if(mng) {
+ mng.toggle(toggle);
+ }
}
});
-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();
+$.extend(DocumentTextElement, {
+ createDOM: function(params) {
+ return $('<div>')
+ .attr('document-text-element', '')
+ .text(params.text || utils.unicode.ZWS);
+ },
+
+ create: function(params, canvas) {
+ return this.fromHTMLElement(this.createDOM(params)[0]);
+ },
+
+ fromHTMLElement: function(htmlElement, canvas) {
+ return new this(htmlElement, canvas);
+ },
+ isContentContainer: function(htmlElement) {
+ return htmlElement.nodeType === Node.TEXT_NODE && $(htmlElement).parent().is('[document-text-element]');
+ }
+});
+
DocumentTextElement.prototype = new DocumentElement();
-var documentElementFromHTMLElement = function(htmlElement) {
- if(htmlElement.nodeType === Node.ELEMENT_NODE)
- return new DocumentNodeElement(htmlElement);
- if(htmlElement.nodeType === Node.TEXT_NODE)
- return new DocumentTextElement(htmlElement);
-}
+$.extend(DocumentTextElement.prototype, {
+ toXML: function(parent) {
+ return this.getText();
+ },
+ _setupDOMHandler: function(htmlElement) {
+ var $element = $(htmlElement);
+ if(htmlElement.nodeType === Node.TEXT_NODE)
+ this.$element = $element.parent();
+ else
+ this.$element = $element;
+ },
+ detach: function() {
+ this.dom().detach();
+ this.canvas = null;
+ return this;
+ },
+ setText: function(text) {
+ this.dom().contents()[0].data = text;
+ },
+ appendText: function(text) {
+ this.dom().contents()[0].data += text;
+ },
+ prependText: function(text) {
+ this.dom().contents()[0].data = text + this.dom().contents()[0].data;
+ },
+ getText: function() {
+ return this.dom().text().replace(utils.unicode.ZWS, '');
+ },
+ isEmpty: function() {
+ // Having at least Zero Width Space is guaranteed be Content Observer
+ return this.dom().contents()[0].data === utils.unicode.ZWS;
+ },
+ 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.canvas);
+ }
+ this.dom().wrap('<div>');
+ 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.canvas);
+ }
+ this.dom().wrap('<div>');
+ 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(),
+ toret;
+ if(parent.children().length === 1) {
+ toret = parent.parent();
+ 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;
+
+ prev = (prev instanceof DocumentTextElement) ? prev : null;
+ next = (next instanceof DocumentTextElement) ? next : null;
-return {
- wrap: function(htmlElement) {
- return documentElementFromHTMLElement(htmlElement);
+ if(prev && next) {
+ prev.setText(prev.getText() + this.getText() + next.getText());
+ next.detach();
+ } else if (prev || next) {
+ var target = prev ? prev : next,
+ newText = prev ? target.getText() + this.getText() : this.getText() + target.getText();
+ target.setText(newText);
+ } else {
+ parent.after(this);
+ }
+ } else {
+ parent.after(this);
+ }
+ parent.detach();
+ return toret;
+ }
},
+ 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);
+
+ 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};
+ },
+ divide: function(params) {
+ var myText = this.getText();
+
+ if(params.offset === myText.length)
+ return this.after(params);
+ if(params.offset === 0)
+ return this.before(params);
+
+ var lhsText = myText.substr(0, params.offset),
+ rhsText = myText.substr(params.offset),
+ newElement = DocumentNodeElement.create({tag: params.tag, klass: params.klass}, this.canvas),
+ rhsTextElement = DocumentTextElement.create({text: rhsText});
+
+ this.setText(lhsText);
+ this.after(newElement);
+ newElement.after(rhsTextElement);
+ return newElement;
+ },
+
+ toggleHighlight: function() {
+ // do nothing for now
+ }
+});
+
+return {
DocumentElement: DocumentElement,
DocumentNodeElement: DocumentNodeElement,
DocumentTextElement: DocumentTextElement
fnp / fnpeditor.git / blobdiff