+++ /dev/null
-define([
-'libs/jquery-1.9.1.min',
-'libs/underscore-min',
-'libs/backbone-min',
-'modules/documentCanvas/canvas/documentElement',
-'modules/documentCanvas/canvas/keyboard',
-'modules/documentCanvas/canvas/utils'
-], function($, _, Backbone, documentElement, keyboard, utils) {
-
-'use strict';
-
-var Canvas = function(wlxml, publisher) {
- this.eventBus = _.extend({}, Backbone.Events);
- this.loadWlxml(wlxml);
- this.publisher = publisher ? publisher : function() {};
-};
-
-$.extend(Canvas.prototype, {
-
- loadWlxml: function(wlxml) {
- var d = wlxml ? $($.trim(wlxml)) : null;
- if(d) {
- this.wrapper = $('<div>').addClass('canvas-wrapper').attr('contenteditable', true);
- this.wrapper.append(d);
- var canvas = this;
-
- this.wrapper.find('*').replaceWith(function() {
- var currentTag = $(this);
- if(currentTag.attr('wlxml-tag'))
- return;
-
- var meta = {}, others = {};
- for(var i = 0; i < this.attributes.length; i++) {
- var attr = this.attributes[i];
- if(attr.name.substr(0, 5) === 'meta-')
- meta[attr.name.substr(5)] = attr.value;
- else if(attr.name !== 'class')
- others[attr.name] = attr.value;
- }
-
- var element = documentElement.DocumentNodeElement.create({
- tag: currentTag.prop('tagName').toLowerCase(),
- klass: currentTag.attr('class'),
- meta: meta,
- others: others,
- rawChildren: currentTag.contents(),
- prepopulateOnEmpty: true
- }, canvas);
-
- ['orig-before', 'orig-after', 'orig-begin', 'orig-end'].forEach(function(attr) {
- element.data(attr, '');
- });
- return element.dom();
- });
-
- var FIRST_CONTENT_INDEX = 0;
-
- // @@ TODO - refactor!
- var getNode = function(element) {
- return element.children('[document-element-content]');
- }
-
- this.wrapper.find(':not(iframe)').addBack().contents()
- .filter(function() {return this.nodeType === Node.TEXT_NODE})
- .each(function() {
-
- // TODO: use DocumentElement API
-
- var el = $(this),
- text = {original: el.text(), trimmed: $.trim(el.text())},
- elParent = el.parent(),
- hasSpanParent = elParent.attr('wlxml-tag') === 'span',
- hasSpanBefore = el.prev().length > 0 && getNode($(el.prev()[0])).attr('wlxml-tag') === 'span',
- hasSpanAfter = el.next().length > 0 && getNode($(el.next()[0])).attr('wlxml-tag') === 'span';
-
- if(el.parent().hasClass('canvas-widget') || elParent.attr('document-text-element') !== undefined)
- return true; // continue
-
- var addInfo = function(toAdd, where) {
- var parentContents = elParent.contents(),
- idx = parentContents.index(el[0]),
- prev = idx > FIRST_CONTENT_INDEX ? parentContents[idx-1] : null,
- next = idx < parentContents.length - 1 ? parentContents[idx+1] : null,
- target, key;
-
- if(where === 'above') {
- target = prev ? $(prev) : elParent.parent();
- key = prev ? 'orig-after' : 'orig-begin';
- } else if(where === 'below') {
- target = next ? $(next) : elParent.parent();
- key = next ? 'orig-before' : 'orig-end';
- } else { throw new Object;}
-
- target.data(key, toAdd);
- }
-
- text.transformed = text.trimmed;
-
- if(hasSpanParent || hasSpanBefore || hasSpanAfter) {
- var startSpace = /\s/g.test(text.original.substr(0,1)),
- endSpace = /\s/g.test(text.original.substr(-1)) && text.original.length > 1;
- text.transformed = (startSpace && (hasSpanParent || hasSpanBefore) ? ' ' : '')
- + text.trimmed
- + (endSpace && (hasSpanParent || hasSpanAfter) ? ' ' : '');
- } else {
- if(text.trimmed.length === 0 && text.original.length > 0 && elParent.contents().length === 1)
- text.transformed = ' ';
- }
-
- if(!text.transformed) {
- addInfo(text.original, 'below');
- el.remove();
- return true; // continue
- }
-
- if(text.transformed !== text.original) {
- if(!text.trimmed) {
- addInfo(text.original, 'below');
- } else {
- var startingMatch = text.original.match(/^\s+/g),
- endingMatch = text.original.match(/\s+$/g),
- startingWhiteSpace = startingMatch ? startingMatch[0] : null,
- endingWhiteSpace = endingMatch ? endingMatch[0] : null;
-
- if(endingWhiteSpace) {
- if(text.transformed[text.transformed.length - 1] === ' ' && endingWhiteSpace[0] === ' ')
- endingWhiteSpace = endingWhiteSpace.substr(1);
- addInfo(endingWhiteSpace, 'below');
- }
-
- if(startingWhiteSpace) {
- if(text.transformed[0] === ' ' && startingWhiteSpace[startingWhiteSpace.length-1] === ' ')
- startingWhiteSpace = startingWhiteSpace.substr(0, startingWhiteSpace.length -1);
- addInfo(startingWhiteSpace, 'above');
- }
- }
- }
-
- var element = documentElement.DocumentTextElement.create({text: text.transformed});
- el.replaceWith(element.dom());
- });
-
- this.d = this.wrapper.children(0);
-
- this.wrapper.on('keyup keydown keypress', function(e) {
- keyboard.handleKey(e, this);
- }.bind(this));
-
- this.wrapper.on('click', '[document-node-element], [document-text-element]', function(e) {
- e.stopPropagation();
- canvas.setCurrentElement(canvas.getDocumentElement(e.currentTarget), {caretTo: false});
- });
-
- var observer = new MutationObserver(function(mutations) {
- mutations.forEach(function(mutation) {
- if(documentElement.DocumentTextElement.isContentContainer(mutation.target)) {
- observer.disconnect();
- if(mutation.target.data === '')
- mutation.target.data = utils.unicode.ZWS;
- else if(mutation.oldValue === utils.unicode.ZWS) {
- mutation.target.data = mutation.target.data.replace(utils.unicode.ZWS, '');
- canvas._moveCaretToTextElement(canvas.getDocumentElement(mutation.target), 'end');
- }
- observer.observe(canvas.d[0], config);
- canvas.publisher('contentChanged');
- }
- });
- });
- var config = { attributes: false, childList: false, characterData: true, subtree: true, characterDataOldValue: true};
- observer.observe(this.d[0], config);
-
-
- this.wrapper.on('mouseover', '[document-node-element], [document-text-element]', function(e) {
- var el = canvas.getDocumentElement(e.currentTarget);
- if(!el)
- return;
- e.stopPropagation();
- if(el instanceof documentElement.DocumentTextElement)
- el = el.parent();
- el.toggleLabel(true);
- });
- this.wrapper.on('mouseout', '[document-node-element], [document-text-element]', function(e) {
- var el = canvas.getDocumentElement(e.currentTarget);
- if(!el)
- return;
- e.stopPropagation();
- if(el instanceof documentElement.DocumentTextElement)
- el = el.parent();
- el.toggleLabel(false);
- });
-
- this.eventBus.on('elementToggled', function(toggle, element) {
- if(!toggle) {
- element = canvas.getDocumentElement(utils.nearestInDocumentOrder('[document-text-element]:visible', 'above', element.dom()[0]));
- canvas.setCurrentElement(element);
- }
- })
-
- } else {
- this.d = null;
- }
- },
-
- view: function() {
- return this.wrapper;
- },
-
- doc: function() {
- if(this.d === null)
- return null;
- return documentElement.DocumentNodeElement.fromHTMLElement(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')};
- },
-
- wrapText: function(params) {
- params = _.extend({textNodeIdx: 0}, params);
- if(typeof params.textNodeIdx === 'number')
- params.textNodeIdx = [params.textNodeIdx];
-
- var childrenInside = params.inside.children(),
- idx1 = Math.min.apply(Math, params.textNodeIdx),
- idx2 = Math.max.apply(Math, params.textNodeIdx),
- textNode1 = childrenInside[idx1],
- textNode2 = childrenInside[idx2],
- sameNode = textNode1.sameNode(textNode2),
- prefixOutside = textNode1.getText().substr(0, params.offsetStart),
- prefixInside = textNode1.getText().substr(params.offsetStart),
- suffixInside = textNode2.getText().substr(0, params.offsetEnd),
- suffixOutside = textNode2.getText().substr(params.offsetEnd)
- ;
-
- var wrapperElement = documentElement.DocumentNodeElement.create({tag: params._with.tag, klass: params._with.klass});
- textNode1.after(wrapperElement);
- textNode1.detach();
-
- if(prefixOutside.length > 0)
- wrapperElement.before({text:prefixOutside});
- if(sameNode) {
- var core = textNode1.getText().substr(params.offsetStart, params.offsetEnd - params.offsetStart);
- wrapperElement.append({text: core});
- } else {
- textNode2.detach();
- if(prefixInside.length > 0)
- wrapperElement.append({text: prefixInside});
- for(var i = idx1 + 1; i < idx2; i++) {
- wrapperElement.append(childrenInside[i]);
- }
- if(suffixInside.length > 0)
- wrapperElement.append({text: suffixInside});
- }
- if(suffixOutside.length > 0)
- wrapperElement.after({text: suffixOutside});
- return wrapperElement;
- },
-
- wrapElements: function(params) {
- if(!(params.element1.parent().sameNode(params.element2.parent())))
- return;
-
- var parent = params.element1.parent(),
- parentChildren = parent.children(),
- wrapper = documentElement.DocumentNodeElement.create({
- tag: params._with.tag,
- klass: params._with.klass}),
- idx1 = parent.childIndex(params.element1),
- idx2 = parent.childIndex(params.element2);
-
- if(idx1 > idx2) {
- var tmp = idx1;
- idx1 = idx2;
- idx2 = tmp;
- }
-
- var insertingMethod, insertingTarget;
- if(idx1 === 0) {
- insertingMethod = 'prepend';
- insertingTarget = parent;
- } else {
- insertingMethod = 'after';
- insertingTarget = parentChildren[idx1-1];
- }
-
- for(var i = idx1; i <= idx2; i++) {
- wrapper.append(parentChildren[i].detach());
- }
-
- insertingTarget[insertingMethod](wrapper);
- return wrapper;
- },
-
- getSiblingParents: function(params) {
- var parents1 = [params.element1].concat(params.element1.parents()).reverse(),
- parents2 = [params.element2].concat(params.element2.parents()).reverse(),
- noSiblingParents = null;
-
- if(parents1.length === 0 || parents2.length === 0 || !(parents1[0].sameNode(parents2[0])))
- return noSiblingParents;
-
- var i;
- for(i = 0; i < Math.min(parents1.length, parents2.length); i++) {
- if(parents1[i].sameNode(parents2[i]))
- continue;
- break;
- }
- return {element1: parents1[i], element2: parents2[i]};
- },
-
- getDocumentElement: function(from) {
- if(from instanceof HTMLElement || from instanceof Text) {
- return documentElement.DocumentElement.fromHTMLElement(from, this);
- }
- },
- getCursor: function() {
- return new Cursor(this);
- },
-
- list: {},
-
-
- getCurrentNodeElement: function() {
- return this.getDocumentElement(this.wrapper.find('.current-node-element').parent()[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._container().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);
- },
-
- toXML: function() {
- var parent = $('<div>'),
- parts = this.doc().toXML(0);
- parent.append(parts);
- return parent.html();
- }
-});
-
-$.extend(Canvas.prototype.list, {
- create: function(params) {
- if(!(params.element1.parent().sameNode(params.element2.parent())))
- return false;
-
- var parent = params.element1.parent();
-
- if(parent.childIndex(params.element1) > parent.childIndex(params.element2)) {
- var tmp = params.element1;
- params.element1 = params.element2;
- params.element2 = tmp;
- }
-
- var elementsToWrap = [];
-
- var place = 'before';
- var canvas = this;
- parent.children().some(function(element) {
- var _e = element;
- if(element.sameNode(params.element1))
- place = 'inside';
- if(place === 'inside') {
- if(element instanceof documentElement.DocumentTextElement) {
- element = element.wrapWithNodeElement({tag: 'div', klass: 'list.item'});
- if(element.children()[0].sameNode(params.element1))
- params.element1 = element;
- }
- element.setWlxmlClass('item');
- elementsToWrap.push(element);
- }
- if(_e.sameNode(params.element2))
- return true;
- });
-
- var listElement = documentElement.DocumentNodeElement.create({tag: 'div', klass: 'list-items' + (params.type === 'enum' ? '-enum' : '')});
-
- var toret;
- if(parent.is('list')) {
- var item = listElement.wrapWithNodeElement({tag: 'div', klass: 'item'});
- item.exec('toggleBullet', false);
- toret = listElement.parent();
- } else {
- toret = listElement;
- }
-
- params.element1.before(toret);
-
- elementsToWrap.forEach(function(element) {
- element.detach();
- listElement.append(element);
- });
- },
- extractItems: function(params) {
- params = _.extend({merge: true}, params);
- var list = params.element1.parent();
- if(!list.is('list') || !(list.sameNode(params.element2.parent())))
- return false;
-
- var idx1 = list.childIndex(params.element1),
- idx2 = list.childIndex(params.element2),
- precedingItems = [],
- extractedItems = [],
- succeedingItems = [],
- items = list.children(),
- listIsNested = list.parent().getWlxmlClass() === 'item',
- i;
-
- if(idx1 > idx2) {
- var tmp = idx1; idx1 = idx2; idx2 = tmp;
- }
-
- items.forEach(function(item, idx) {
- if(idx < idx1)
- precedingItems.push(item);
- else if(idx >= idx1 && idx <= idx2) {
- extractedItems.push(item);
- }
- else {
- succeedingItems.push(item);
- }
- });
-
- var reference = listIsNested ? list.parent() : list;
- if(succeedingItems.length === 0) {
- var reference_orig = reference;
- extractedItems.forEach(function(item) {
- reference.after(item);
- reference = item;
- if(!listIsNested)
- item.setWlxmlClass(null);
- });
- if(precedingItems.length === 0)
- reference_orig.detach();
- } else if(precedingItems.length === 0) {
- extractedItems.forEach(function(item) {
- reference.before(item);
- if(!listIsNested)
- item.setWlxmlClass(null);
- });
- } else {
- extractedItems.forEach(function(item) {
- reference.after(item);
- if(!listIsNested)
- item.setWlxmlClass(null);
- reference = item;
- });
- var secondList = documentElement.DocumentNodeElement.create({tag: 'div', klass:'list-items'}, this),
- toAdd = secondList;
-
- if(listIsNested) {
- toAdd = secondList.wrapWithNodeElement({tag: 'div', klass:'item'});
- }
- succeedingItems.forEach(function(item) {
- secondList.append(item);
- });
-
- reference.after(toAdd);
- }
- if(!params.merge && listIsNested) {
- return this.extractItems({element1: extractedItems[0], element2: extractedItems[extractedItems.length-1]});
- }
- return true;
- },
- areItemsOfTheSameList: function(params) {
- var e1 = params.element1,
- e2 = params.element2;
- return e1.parent().sameNode(e2.parent())
- && e1.parent().is('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');
- },
- getSelectionFocus: function() {
- return this.getSelectionBoundry('focus');
- },
- getSelectionBoundry: function(which) {
- var selection = window.getSelection(),
- anchorElement = this.canvas.getDocumentElement(selection.anchorNode),
- focusElement = this.canvas.getDocumentElement(selection.focusNode);
-
- if((!anchorElement) || (anchorElement instanceof documentElement.DocumentNodeElement) || (!focusElement) || focusElement instanceof documentElement.DocumentNodeElement)
- return {};
-
- if(which === 'anchor') {
- return {
- element: anchorElement,
- offset: selection.anchorOffset,
- offsetAtBeginning: selection.anchorOffset === 0,
- offsetAtEnd: selection.anchorNode.data.length === selection.anchorOffset
- };
- }
- if(which === 'focus') {
- return {
- element: focusElement,
- offset: selection.focusOffset,
- offsetAtBeginning: selection.focusOffset === 0,
- offsetAtEnd: selection.focusNode.data.length === selection.focusOffset
- };
- }
-
- 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 via https://developer.mozilla.org/en-US/docs/Web/API/Node.compareDocumentPosition
- if(which === 'start') {
- element = anchorElement;
- offset = selection.anchorOffset
- } else {
- element = focusElement;
- offset = selection.focusOffset
- }
- }
-
- var nodeLen = (element.sameNode(focusElement) ? selection.focusNode : selection.anchorNode).length;
- return {
- element: element,
- offset: offset,
- offsetAtBeginning: offset === 0,
- offsetAtEnd: nodeLen === offset
- }
- }
-})
-
-return {
- fromXML: function(xml, publisher) {
- return new Canvas(xml, publisher);
- }
-};
-
-});
\ No newline at end of file
fnp / fnpeditor.git / blobdiff