define([
-'libs/jquery-1.9.1.min',
-'libs/underscore-min',
-'modules/documentCanvas/canvas/documentElement'
-], function($, _, documentElement) {
+'libs/jquery',
+'libs/underscore',
+'libs/backbone',
+'modules/documentCanvas/canvas/documentElement',
+'modules/documentCanvas/canvas/keyboard',
+'modules/documentCanvas/canvas/utils'
+], function($, _, Backbone, documentElement, keyboard, utils) {
'use strict';
var Canvas = function(wlxml, publisher) {
+ this.eventBus = _.extend({}, Backbone.Events);
this.loadWlxml(wlxml);
this.publisher = publisher ? publisher : function() {};
};
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 element = documentElement.DocumentNodeElement.createDOM({
+
+ 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 = canvas.createNodeElement({
tag: currentTag.prop('tagName').toLowerCase(),
- klass: currentTag.attr('class')
+ klass: currentTag.attr('class'),
+ meta: meta,
+ others: others,
+ rawChildren: currentTag.contents(),
+ prepopulateOnEmpty: true
});
- element.append(currentTag.contents());
- return element;
+ ['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() {
- var el = $(this);
-
// TODO: use DocumentElement API
- var spanParent = el.parent().attr('wlxml-tag') === 'span',
- spanBefore = el.prev().length > 0 && $(el.prev()[0]).attr('wlxml-tag') === 'span',
- spanAfter = el.next().length > 0 && $(el.next()[0]).attr('wlxml-tag') === 'span';
-
- if(spanParent || spanBefore || spanAfter) {
- var startSpace = /\s/g.test(this.data.substr(0,1));
- var endSpace = /\s/g.test(this.data.substr(-1)) && this.data.length > 1;
- var trimmed = $.trim(this.data);
- this.data = (startSpace && (spanParent || spanBefore) ? ' ' : '')
- + trimmed
- + (endSpace && (spanParent || spanAfter) ? ' ' : '');
+ 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 {
- var oldLength = this.data.length;
- this.data = $.trim(this.data);
- if(this.data.length === 0 && oldLength > 0 && el.parent().contents().length === 1)
- this.data = ' ';
- if(this.data.length === 0) {
- $(this).remove();
- return true; // continue
+ if(text.trimmed.length === 0 && text.original.length > 0 && elParent.contents().length === 1)
+ text.transformed = ' ';
+ }
+
+ if(!text.transformed) {
+ addInfo(text.original, 'below');
+ el.remove();
+ return true; // continue
+ }
+
+ if(text.transformed !== text.original) {
+ if(!text.trimmed) {
+ addInfo(text.original, 'below');
+ } else {
+ var startingMatch = text.original.match(/^\s+/g),
+ endingMatch = text.original.match(/\s+$/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: this.data});
- $(this).replaceWith(element.dom());
+ var element = documentElement.DocumentTextElement.create({text: text.transformed});
+ el.replaceWith(element.dom());
});
this.d = this.wrapper.children(0);
- var canvas = this;
- this.wrapper.on('keydown', function(e) {
- if(e.which === 13) {
- e.preventDefault();
- var cursor = canvas.getCursor();
- if(!cursor.isSelecting()) {
- var position = cursor.getPosition();
- position.element.split({offset: position.offset});
- }
- }
+ 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});
});
- this.wrapper.on('keyup', function(e) {
- if(e.which >= 37 && e.which <= 40)
- canvas.setCurrentElement(canvas.getCursor().getPosition().element, {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('click', '[wlxml-tag], [wlxml-text]', function(e) {
+ this.wrapper.on('mouseover', '[document-node-element], [document-text-element]', function(e) {
+ var el = canvas.getDocumentElement(e.currentTarget);
+ if(!el)
+ return;
e.stopPropagation();
- canvas.setCurrentElement(canvas.getDocumentElement(e.target), {caretTo: false});
+ 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) {
+ canvas.setCurrentElement(element.getPreviousTextElement());
+ }
+ })
+
} else {
this.d = null;
}
return documentElement.DocumentNodeElement.fromHTMLElement(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')};
},
+ createNodeElement: function(params) {
+ return documentElement.DocumentNodeElement.create(params, this);
+ },
+
wrapText: function(params) {
params = _.extend({textNodeIdx: 0}, params);
if(typeof params.textNodeIdx === 'number')
suffixOutside = textNode2.getText().substr(params.offsetEnd)
;
- var wrapperElement = documentElement.DocumentNodeElement.create({tag: params._with.tag, klass: params._with.klass});
+ var wrapperElement = this.createNodeElement({tag: params._with.tag, klass: params._with.klass});
textNode1.after(wrapperElement);
textNode1.detach();
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 = 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;
+ }
+
+ 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);
list: {},
-
-
- highlightElement: function(element) {
- this.wrapper.find('.highlighted-element').removeClass('highlighted-element');
- element.dom().addClass('highlighted-element');
- },
-
- dimElement: function(element) {
- element.dom().removeClass('highlighted-element');
- },
getCurrentNodeElement: function() {
- return this.getDocumentElement(this.wrapper.find('.current-node-element')[0]);
+ return this.getDocumentElement(this.wrapper.find('.current-node-element').parent()[0]);
},
getCurrentTextElement: function() {
setCurrentElement: function(element, params) {
params = _.extend({caretTo: 'end'}, params);
- var findFirstDirectTextChild = function(e) {
+ 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.dom().addClass('current-node-element');
+ element._container().addClass('current-node-element');
this.publisher('currentElementChanged', element);
}
}.bind(this);
var isTextElement = element instanceof documentElement.DocumentTextElement,
- textElementToLand = isTextElement ? element : findFirstDirectTextChild(element),
nodeElementToLand = isTextElement ? element.parent() : element,
+ textElementToLand = isTextElement ? element : findFirstDirectTextChild(element, nodeElementToLand),
currentTextElement = this.getCurrentTextElement(),
currentNodeElement = this.getCurrentNodeElement();
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', element);
+ this.publisher('currentTextElementSet', textElementToLand);
+ } else {
+ document.getSelection().removeAllRanges();
}
if(!(currentNodeElement && currentNodeElement.sameNode(nodeElementToLand))) {
_markAsCurrent(nodeElementToLand);
- if(!textElementToLand)
- document.getSelection().removeAllRanges();
+
this.publisher('currentNodeElementSet', nodeElementToLand);
}
},
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();
}
});
if(!(params.element1.parent().sameNode(params.element2.parent())))
return false;
- var parent = params.element1.parent();
+ var parent = params.element1.parent(),
+ canvas = params.element1.canvas;
if(parent.childIndex(params.element1) > parent.childIndex(params.element2)) {
var tmp = params.element1;
var elementsToWrap = [];
var place = 'before';
- var canvas = this;
parent.children().some(function(element) {
var _e = element;
if(element.sameNode(params.element1))
return true;
});
- var listElement = documentElement.DocumentNodeElement.create({tag: 'div', klass: 'list-items' + (params.type === 'enum' ? '-enum' : '')});
-
+ var listElement = canvas.createNodeElement({tag: 'div', klass: 'list-items' + (params.type === 'enum' ? '-enum' : '')});
var toret;
if(parent.is('list')) {
- listElement.wrapWithNodeElement({tag: 'div', klass: 'item'});
+ var item = listElement.wrapWithNodeElement({tag: 'div', klass: 'item'});
+ item.exec('toggleBullet', false);
toret = listElement.parent();
} else {
toret = listElement;
succeedingItems = [],
items = list.children(),
listIsNested = list.parent().getWlxmlClass() === 'item',
+ canvas = params.element1.canvas,
i;
if(idx1 > idx2) {
item.setWlxmlClass(null);
reference = item;
});
- var secondList = documentElement.DocumentNodeElement.create({tag: 'div', klass:'list-items'}, this),
+ var secondList = canvas.createNodeElement({tag: 'div', klass:'list-items'}),
toAdd = secondList;
if(listIsNested) {
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
+ 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
};
}
if(anchorFirst) {
if(which === 'start') {
element = anchorElement;
- offset = selection.anchorOffset;
+ offset = selection.anchorOffset
}
else if(which === 'end') {
element = focusElement,
- offset = selection.focusOffset;
+ offset = selection.focusOffset
}
} else {
if(which === 'start') {
}
else if(which === 'end') {
element = anchorElement;
- offset = selection.anchorOffset;
+ offset = selection.anchorOffset
}
}
} else {
- // TODO: Handle order
+ // TODO: Handle order via https://developer.mozilla.org/en-US/docs/Web/API/Node.compareDocumentPosition
if(which === 'start') {
element = anchorElement;
offset = selection.anchorOffset
}
}
+ var nodeLen = (element.sameNode(focusElement) ? selection.focusNode : selection.anchorNode).length;
return {
element: element,
- offset: offset
+ offset: offset,
+ offsetAtBeginning: offset === 0,
+ offsetAtEnd: nodeLen === offset
}
}
})
fnp / fnpeditor.git / blobdiff