'libs/jquery',
'libs/underscore',
'libs/backbone',
+'fnpjs/logging/logging',
'modules/documentCanvas/canvas/documentElement',
'modules/documentCanvas/canvas/keyboard',
-'modules/documentCanvas/canvas/utils'
-], function($, _, Backbone, documentElement, keyboard, utils) {
+'modules/documentCanvas/canvas/utils',
+'modules/documentCanvas/canvas/wlxmlListener',
+'modules/documentCanvas/canvas/elementsRegister',
+'modules/documentCanvas/canvas/genericElement',
+'modules/documentCanvas/canvas/nullElement',
+'modules/documentCanvas/canvas/gutter',
+'modules/documentCanvas/canvas/selection',
+'modules/documentCanvas/canvas/keyEvent',
+'libs/text!./canvas.html'
+], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener, ElementsRegister, genericElement, nullElement, gutter, selection, keyEvent, canvasTemplate) {
'use strict';
+/* global document:false, window:false, Node:false, gettext */
+
+var logger = logging.getLogger('canvas');
+
+var TextHandler = function(canvas) {this.canvas = canvas; this.buffer = null;};
+$.extend(TextHandler.prototype, {
+ handle: function(node, text) {
+ this.setText(text, node);
+ // return;
+ // if(!this.node) {
+ // this.node = node;
+ // }
+ // if(this.node.sameNode(node)) {
+ // this._ping(text);
+ // } else {
+ // this.flush();
+ // this.node = node;
+ // this._ping(text);
+ // }
+ },
+ _ping: _.throttle(function(text) {
+ this.buffer = text;
+ this.flush();
+ }, 1000),
+ flush: function() {
+ if(this.buffer !== null) {
+ this.setText(this.buffer, this.node);
+ this.buffer = null;
+ }
+ },
+ setText: function(text, node) {
+ //this.canvas.wlxmlDocument.transform('setText', {node:node, text: text});
+ node.document.transaction(function() {
+ node.setText(text);
+ }, {
+ metadata:{
+ description: gettext('Changing text')
+ }
+ });
+
+ }
+
+});
+
+
+var Canvas = function(wlxmlDocument, elements, metadata) {
+ this.metadata = metadata || {};
+ this.elementsRegister = new ElementsRegister(documentElement.DocumentNodeElement, nullElement);
-var Canvas = function(wlxmlDocument, publisher) {
+ elements = [
+ {tag: 'section', klass: null, prototype: genericElement},
+ {tag: 'div', klass: null, prototype: genericElement},
+ {tag: 'header', klass: null, prototype: genericElement},
+ {tag: 'span', klass: null, prototype: genericElement},
+ {tag: 'aside', klass: null, prototype: genericElement}
+ ].concat(elements || []);
+
+ (elements).forEach(function(elementDesc) {
+ this.elementsRegister.register(elementDesc);
+ }.bind(this));
this.eventBus = _.extend({}, Backbone.Events);
+
+ this.dom = $(canvasTemplate);
+ this.rootWrapper = this.dom.find('.root-wrapper');
+
+
+ this.gutter = gutter.create();
+ this.gutterView = new gutter.GutterView(this.gutter);
+ this.dom.find('.view-row').append(this.gutterView.dom);
+
+ this.wlxmlListener = wlxmlListener.create(this);
this.loadWlxmlDocument(wlxmlDocument);
- this.publisher = publisher ? publisher : function() {};
+ this.setupEventHandling();
+ this.textHandler = new TextHandler(this);
};
-$.extend(Canvas.prototype, {
+$.extend(Canvas.prototype, Backbone.Events, {
+
+ getElementOffset: function(element) {
+ return element.dom.offset().top - this.dom.offset().top;
+ },
loadWlxmlDocument: function(wlxmlDocument) {
if(!wlxmlDocument) {
return false;
}
- var canvasDOM = this.generateCanvasDOM(wlxmlDocument.root);
- this.wrapper = $('<div>').addClass('canvas-wrapper').attr('contenteditable', true);
- this.wrapper.append(canvasDOM);
- this.d = this.wrapper.children(0);
- this.setupEventHandling();
+ this.wlxmlListener.listenTo(wlxmlDocument);
+ this.wlxmlDocument = wlxmlDocument;
+ this.reloadRoot();
},
- generateCanvasDOM: function(wlxmlNode) {
- // var element = this.createNodeElement2({
- // tag: wlxmlNode.getTagName(),
- // klass: wlxmlNode.getClass(), //currentTag.attr('class'),
- // meta: wlxmlNode.getMetaAttributes(), //meta,
- // others: wlxmlNode.getOtherAttributes(), // ~ //others,
- // rawChildren: wlxmlNode.contents(),
- // prepopulateOnEmpty: true
- // }); //->create2
+ createElement: function(wlxmlNode) {
+ var Factory;
+ if(wlxmlNode.nodeType === Node.TEXT_NODE) {
+ Factory = documentElement.DocumentTextElement;
+ } else {
+ Factory = this.elementsRegister.getElement({tag: wlxmlNode.getTagName(), klass: wlxmlNode.getClass()});
+ }
+ return new Factory(wlxmlNode, this);
+ },
- var element = documentElement.DocumentNodeElement.create(wlxmlNode, this);
+ getDocumentElement: function(htmlElement) {
+ /* globals HTMLElement, Text */
+ if(!htmlElement || !(htmlElement instanceof HTMLElement || htmlElement instanceof Text)) {
+ return null;
+ }
+ var $element = $(htmlElement);
+ if(htmlElement.nodeType === Node.ELEMENT_NODE && $element.attr('document-node-element') !== undefined) {
+ return $element.data('canvas-element');
+ }
+ if(htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('document-text-element') !== undefined) {
+ $element = $element.parent();
+ }
- ['orig-before', 'orig-after', 'orig-begin', 'orig-end'].forEach(function(attr) {
- element.data(attr, '');
- });
- return element.dom();
+ if($element.attr('document-text-element') !== undefined || (htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('document-text-element') !== undefined)) {
+ //return DocumentTextElement.fromHTMLElement(htmlElement, canvas);
+ return $element.data('canvas-element');
+ }
+ },
+
+ reloadRoot: function() {
+ if(this.rootElement) {
+ this.rootElement.detach();
+ }
+ this.rootElement = this.createElement(this.wlxmlDocument.root);
+ this.rootWrapper.append(this.rootElement.dom);
+ },
+
+
+ triggerKeyEvent: function(keyEvent, selection) {
+ selection = selection || this.getSelection();
+ if(selection && (selection.type === 'caret' || selection.type === 'textSelection') && selection.toDocumentFragment().isValid()) {
+ keyboard.handleKeyEvent(keyEvent, selection);
+ }
},
setupEventHandling: function() {
var canvas = this;
- 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) {
+ /* globals document */
+ $(document.body).on('keydown', function(e) {
+ canvas.triggerKeyEvent(keyEvent.fromNativeEvent(e));
+ });
+
+ this.rootWrapper.on('mouseup', function() {
+ canvas.triggerSelectionChanged();
+ });
+
+ var mouseDown;
+ this.rootWrapper.on('mousedown', '[document-node-element], [document-text-element]', function(e) {
+ mouseDown = e.target;
+ canvas.rootWrapper.find('[contenteditable]').attr('contenteditable', null);
+ });
+
+ this.rootWrapper.on('click', '[document-node-element], [document-text-element]', function(e) {
+ var position, element;
e.stopPropagation();
- canvas.setCurrentElement(canvas.getDocumentElement(e.currentTarget), {caretTo: false});
+ if(e.originalEvent.detail === 3) {
+ e.preventDefault();
+ canvas._moveCaretToTextElement(canvas.getDocumentElement(e.currentTarget), 'whole');
+ } else {
+ if(mouseDown === e.target) {
+ element = canvas.getDocumentElement(e.target);
+ if(element && element.wlxmlNode.nodeType === Node.ELEMENT_NODE) {
+ if(element.getVerticallyFirstTextElement && !element.getVerticallyFirstTextElement({considerChildren: false})) {
+ canvas.setCurrentElement(element);
+ return;
+ }
+ }
+ if(window.getSelection().isCollapsed) {
+ position = utils.caretPositionFromPoint(e.clientX, e.clientY);
+ canvas.setCurrentElement(canvas.getDocumentElement(position.textNode), {caretTo: position.offset});
+ }
+ }
+ }
+ });
+
+ this.rootWrapper.on('paste', function(e) {
+ e.preventDefault();
+
+ var clipboardData = e.originalEvent.clipboardData;
+ if(!clipboardData || !clipboardData.getData) {
+ return; // TODO: alert
+ }
+
+ var text = clipboardData.getData('text/plain').replace(/\r?\n|\r/g, ' '),
+ cursor = canvas.getCursor(),
+ element = cursor.getPosition().element,
+ lhs, rhs;
+
+ if(element && cursor.isWithinElement()) {
+ lhs = element.getText().substr(0, cursor.getSelectionStart().offset);
+ rhs = element.getText().substr(cursor.getSelectionEnd().offset);
+ element.setText(lhs+text+rhs);
+ canvas.setCurrentElement(element, {caretTo: lhs.length + text.length});
+ } else {
+ /* jshint noempty:false */
+ // TODO: alert
+ }
});
+ /* globals MutationObserver */
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
- if(documentElement.DocumentTextElement.isContentContainer(mutation.target)) {
+ if(canvas.dom[0].contains(mutation.target) && documentElement.DocumentTextElement.isContentContainer(mutation.target)) {
observer.disconnect();
- if(mutation.target.data === '')
+ 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');
+ observer.observe(canvas.dom[0], config);
+
+ var textElement = canvas.getDocumentElement(mutation.target),
+ toSet = mutation.target.data !== utils.unicode.ZWS ? mutation.target.data : '';
+
+ //textElement.data('wlxmlNode').setText(toSet);
+ //textElement.data('wlxmlNode').document.transform('setText', {node: textElement.data('wlxmlNode'), text: toSet});
+ if(textElement.wlxmlNode.getText() !== toSet) {
+ canvas.textHandler.handle(textElement.wlxmlNode, toSet);
+ }
}
});
});
var config = { attributes: false, childList: false, characterData: true, subtree: true, characterDataOldValue: true};
- observer.observe(this.d[0], config);
+ observer.observe(this.rootWrapper[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)
+ var hoverHandler = function(e) {
+ var el = canvas.getDocumentElement(e.currentTarget),
+ expose = {
+ mouseover: true,
+ mouseout: false
+ };
+ if(!el) {
return;
+ }
e.stopPropagation();
- if(el instanceof documentElement.DocumentTextElement)
+ if(el instanceof documentElement.DocumentTextElement) {
el = el.parent();
- el.toggleLabel(false);
- });
+ }
+ el.updateState({exposed:expose[e.type]});
+ };
+
+ this.rootWrapper.on('mouseover', '[document-node-element], [document-text-element]', hoverHandler);
+ this.rootWrapper.on('mouseout', '[document-node-element], [document-text-element]', hoverHandler);
this.eventBus.on('elementToggled', function(toggle, element) {
if(!toggle) {
- canvas.setCurrentElement(element.getPreviousTextElement());
+ canvas.setCurrentElement(canvas.getPreviousTextElement(element));
}
});
},
view: function() {
- return this.wrapper;
+ return this.dom;
},
doc: function() {
- if(this.d === null)
- return null;
- return documentElement.DocumentNodeElement.fromHTMLElement(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')};
+ return this.rootElement;
},
- createNodeElement: function(params) {
- return documentElement.DocumentNodeElement.create(params, this);
+ toggleElementHighlight: function(node, toggle) {
+ var element = utils.getElementForNode(node);
+ element.updateState({exposed: toggle});
},
- 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 = this.createNodeElement({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;
+ getCursor: function() {
+ return new Cursor(this);
},
- wrapElements: function(params) {
- if(!(params.element1.parent().sameNode(params.element2.parent())))
- return;
-
- var parent = params.element1.parent(),
- parentChildren = parent.children(),
- wrapper = this.createNodeElement({
- 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;
- }
+
+ getCurrentNodeElement: function() {
+ return this.currentNodeElement;
+ },
- var insertingMethod, insertingTarget;
- if(idx1 === 0) {
- insertingMethod = 'prepend';
- insertingTarget = parent;
- } else {
- insertingMethod = 'after';
- insertingTarget = parentChildren[idx1-1];
+ getCurrentTextElement: function() {
+ var htmlElement = this.rootWrapper.find('.current-text-element')[0];
+ if(htmlElement) {
+ return this.getDocumentElement(htmlElement);
}
+ },
- for(var i = idx1; i <= idx2; i++) {
- wrapper.append(parentChildren[i].detach());
- }
+ getPreviousTextElement: function(relativeToElement, includeInvisible) {
+ return this.getNearestTextElement('above', relativeToElement, includeInvisible);
+ },
- insertingTarget[insertingMethod](wrapper);
- return wrapper;
+ getNextTextElement: function(relativeToElement, includeInvisible) {
+ return this.getNearestTextElement('below', relativeToElement, includeInvisible);
},
- getSiblingParents: function(params) {
- var parents1 = [params.element1].concat(params.element1.parents()).reverse(),
- parents2 = [params.element2].concat(params.element2.parents()).reverse(),
- noSiblingParents = null;
+ getNearestTextElement: function(direction, relativeToElement, includeInvisible) {
+ includeInvisible = includeInvisible !== undefined ? includeInvisible : false;
+ var selector = '[document-text-element]' + (includeInvisible ? '' : ':visible');
+ return this.getDocumentElement(utils.nearestInDocumentOrder(selector, direction, relativeToElement.dom[0]));
+ },
- if(parents1.length === 0 || parents2.length === 0 || !(parents1[0].sameNode(parents2[0])))
- return noSiblingParents;
+ contains: function(element) {
+ return element && element.dom && element.dom.parents().index(this.rootWrapper) !== -1;
+ },
- var i;
- for(i = 0; i < Math.min(parents1.length, parents2.length); i++) {
- if(parents1[i].sameNode(parents2[i]))
- continue;
- break;
+ triggerSelectionChanged: function() {
+ var s = this.getSelection(),
+ f;
+ if(!s) {
+ return;
}
- return {element1: parents1[i], element2: parents2[i]};
- },
+ this.trigger('selectionChanged', s);
+ f = s.toDocumentFragment();
- getDocumentElement: function(from) {
- if(from instanceof HTMLElement || from instanceof Text) {
- return documentElement.DocumentElement.fromHTMLElement(from, this);
+ if(f && f instanceof f.RangeFragment) {
+ if(this.currentNodeElement) {
+ this.currentNodeElement.updateState({active: false});
+ this.currentNodeElement = null;
+ }
}
},
- getCursor: function() {
- return new Cursor(this);
+
+ getSelection: function() {
+ return selection.fromNativeSelection(this);
},
- list: {},
+ select: function(fragment) {
+ if(fragment instanceof this.wlxmlDocument.RangeFragment) {
+ this.setCurrentElement(fragment.endNode, {caretTo: fragment.endOffset});
+ } else if(fragment instanceof this.wlxmlDocument.NodeFragment) {
+ var params = {
+ caretTo: fragment instanceof this.wlxmlDocument.CaretFragment ? fragment.offset : 'start'
+ };
+ this.setCurrentElement(fragment.node, params);
+ } else {
+ logger.debug('Fragment not supported');
+ }
+ },
-
- getCurrentNodeElement: function() {
- return this.getDocumentElement(this.wrapper.find('.current-node-element').parent()[0]);
+ setSelection: function(selection) {
+ this.select(this, selection.toDocumentFragment());
},
- getCurrentTextElement: function() {
- return this.getDocumentElement(this.wrapper.find('.current-text-element')[0]);
+ createSelection: function(params) {
+ return selection.fromParams(this, params);
},
+ setCurrentElement: function(element, params) {
+ if(!element) {
+ logger.debug('Invalid element passed to setCurrentElement: ' + element);
+ return;
+ }
+ if(!(element instanceof documentElement.DocumentElement)) {
+ element = utils.getElementForNode(element);
+ }
+ if(!element || !this.contains(element)) {
+ logger.warning('Cannot set current element: element doesn\'t exist on canvas');
+ return;
+ }
- 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))
+ 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;
+ return _.isFunction(e.getVerticallyFirstTextElement) ? e.getVerticallyFirstTextElement({considerChildren: false}) : 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');
+ this.rootWrapper.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);
+ if(this.currentNodeElement) {
+ this.currentNodeElement.updateState({active: false});
+ }
+ element.updateState({active: true});
+ this.currentNodeElement = element;
}
}.bind(this);
currentTextElement = this.getCurrentTextElement(),
currentNodeElement = this.getCurrentNodeElement();
- if(currentTextElement && !(currentTextElement.sameNode(textElementToLand)))
- this.wrapper.find('.current-text-element').removeClass('current-text-element');
+ if(currentTextElement && !(currentTextElement.sameNode(textElementToLand))) {
+ this.rootWrapper.find('.current-text-element').removeClass('current-text-element');
+ }
if(textElementToLand) {
_markAsCurrent(textElementToLand);
- if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element))
+ if((params.caretTo || params.caretTo === 0) || !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);
}
+ this.triggerSelectionChanged();
},
_moveCaretToTextElement: function(element, where) {
var range = document.createRange(),
- node = element.dom().contents()[0];
+ node = element.dom.contents()[0];
if(typeof where !== 'number') {
range.selectNodeContents(node);
} else {
- range.setStart(node, where);
+ range.setStart(node, Math.min(node.data.length, where));
}
- var collapseArg = true;
- if(where === 'end')
- collapseArg = false;
- range.collapse(collapseArg);
-
+ if(where !== 'whole') {
+ var collapseArg = true;
+ if(where === 'end') {
+ collapseArg = false;
+ }
+ range.collapse(collapseArg);
+ }
var selection = document.getSelection();
+ $(node).parent().attr('contenteditable', true);
selection.removeAllRanges();
selection.addRange(range);
- this.wrapper.focus(); // FF requires this for caret to be put where range colllapses, Chrome doesn't.
+ $(node).parent().focus(); // FF requires this for caret to be put where range colllapses, Chrome doesn't.
},
setCursorPosition: function(position) {
- if(position.element)
+ 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(),
- canvas = params.element1.canvas;
-
- 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';
- 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 = canvas.createNodeElement({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',
- canvas = params.element1.canvas,
- 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 = canvas.createNodeElement({tag: 'div', klass:'list-items'}),
- 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;
+ this.selection = window.getSelection();
};
$.extend(Cursor.prototype, {
+ sameAs: function(other) {
+ var same = true;
+ if(!other) {
+ return false;
+ }
+
+ ['focusNode', 'focusOffset', 'anchorNode', 'anchorOffset'].some(function(prop) {
+ same = same && this.selection[prop] === other.selection[prop];
+ if(!same) {
+ return true; // break
+ }
+ }.bind(this));
+
+ return same;
+ },
isSelecting: function() {
var selection = window.getSelection();
return !selection.isCollapsed;
isSelectingWithinElement: function() {
return this.isSelecting() && this.getSelectionStart().element.sameNode(this.getSelectionEnd().element);
},
+ isWithinElement: function() {
+ return !this.isSelecting() || this.isSelectingWithinElement();
+ },
isSelectingSiblings: function() {
return this.isSelecting() && this.getSelectionStart().element.parent().sameNode(this.getSelectionEnd().element.parent());
},
return this.getSelectionBoundry('focus');
},
getSelectionBoundry: function(which) {
+ /* globals window */
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)
+ 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
+ offsetAtBeginning: selection.anchorOffset === 0 || anchorElement.getText() === '',
+ offsetAtEnd: selection.anchorNode.data.length === selection.anchorOffset || anchorElement.getText() === ''
};
}
if(which === 'focus') {
return {
element: focusElement,
offset: selection.focusOffset,
- offsetAtBeginning: selection.focusOffset === 0,
- offsetAtEnd: selection.focusNode.data.length === selection.focusOffset
+ offsetAtBeginning: selection.focusOffset === 0 || focusElement.getText() === '',
+ offsetAtEnd: selection.focusNode.data.length === selection.focusOffset || focusElement.getText() === '',
};
}
- var element,
- offset;
-
- if(anchorElement.parent().sameNode(focusElement.parent())) {
- var parent = anchorElement.parent(),
- anchorFirst = parent.childIndex(anchorElement) < parent.childIndex(focusElement);
+ var getPlaceData = function(anchorFirst) {
+ var element, offset;
if(anchorFirst) {
if(which === 'start') {
element = anchorElement;
- offset = selection.anchorOffset
+ offset = selection.anchorOffset;
}
else if(which === 'end') {
- element = focusElement,
- offset = selection.focusOffset
+ element = focusElement;
+ offset = selection.focusOffset;
}
} else {
if(which === 'start') {
- element = focusElement,
- offset = selection.focusOffset
+ element = focusElement;
+ offset = selection.focusOffset;
}
else if(which === 'end') {
element = anchorElement;
- offset = selection.anchorOffset
+ 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
+ return {element: element, offset: offset};
+ };
+
+ var anchorFirst, placeData, parent;
+
+ if(anchorElement.parent().sameNode(focusElement.parent())) {
+ parent = anchorElement.parent();
+ if(selection.anchorNode === selection.focusNode) {
+ anchorFirst = selection.anchorOffset <= selection.focusOffset;
} else {
- element = focusElement;
- offset = selection.focusOffset
+ anchorFirst = (parent.getFirst(anchorElement, focusElement) === anchorElement);
}
+ placeData = getPlaceData(anchorFirst);
+ } else {
+ /*jshint bitwise: false*/
+ anchorFirst = selection.anchorNode.compareDocumentPosition(selection.focusNode) & Node.DOCUMENT_POSITION_FOLLOWING;
+ placeData = getPlaceData(anchorFirst);
}
- var nodeLen = (element.sameNode(focusElement) ? selection.focusNode : selection.anchorNode).length;
+ var nodeLen = (placeData.element.sameNode(focusElement) ? selection.focusNode : selection.anchorNode).length;
return {
- element: element,
- offset: offset,
- offsetAtBeginning: offset === 0,
- offsetAtEnd: nodeLen === offset
- }
+ element: placeData.element,
+ offset: placeData.offset,
+ offsetAtBeginning: placeData.offset === 0 || focusElement.getText() === '',
+ offsetAtEnd: nodeLen === placeData.offset || focusElement.getText() === ''
+ };
}
-})
+});
return {
- fromXMLDocument: function(wlxmlDocument, publisher) {
- return new Canvas(wlxmlDocument, publisher);
+ fromXMLDocument: function(wlxmlDocument, elements, metadata) {
+ return new Canvas(wlxmlDocument, elements, metadata);
}
};
fnp / fnpeditor.git / blobdiff