').css({
position: 'absolute',
left: '-9999px',
top: '-9999px',
fontSize: '200px'
}).text('mmmmmmmmmwwwwwww').appendTo(document.body);
var originalWidth = $tester.css('fontFamily', testFontName).width();
var width = $tester.css('fontFamily', fontName + ',' + testFontName).width();
$tester.remove();
return originalWidth !== width;
};
var userAgent = navigator.userAgent;
var isMSIE = /MSIE|Trident/i.test(userAgent);
var browserVersion;
if (isMSIE) {
var matches = /MSIE (\d+[.]\d+)/.exec(userAgent);
if (matches) {
browserVersion = parseFloat(matches[1]);
}
matches = /Trident\/.*rv:([0-9]{1,}[\.0-9]{0,})/.exec(userAgent);
if (matches) {
browserVersion = parseFloat(matches[1]);
}
}
var isEdge = /Edge\/\d+/.test(userAgent);
var hasCodeMirror = !!window.CodeMirror;
if (!hasCodeMirror && isSupportAmd && typeof require !== 'undefined') {
if (typeof require.resolve !== 'undefined') {
try {
// If CodeMirror can't be resolved, `require.resolve` will throw an
// exception and `hasCodeMirror` won't be set to `true`.
require.resolve('codemirror');
hasCodeMirror = true;
} catch (e) {
// Do nothing.
}
} else if (typeof eval('require').specified !== 'undefined') {
hasCodeMirror = eval('require').specified('codemirror');
}
}
/**
* @class core.agent
*
* Object which check platform and agent
*
* @singleton
* @alternateClassName agent
*/
var agent = {
isMac: navigator.appVersion.indexOf('Mac') > -1,
isMSIE: isMSIE,
isEdge: isEdge,
isFF: !isEdge && /firefox/i.test(userAgent),
isPhantom: /PhantomJS/i.test(userAgent),
isWebkit: !isEdge && /webkit/i.test(userAgent),
isChrome: !isEdge && /chrome/i.test(userAgent),
isSafari: !isEdge && /safari/i.test(userAgent),
browserVersion: browserVersion,
jqueryVersion: parseFloat($.fn.jquery),
isSupportAmd: isSupportAmd,
hasCodeMirror: hasCodeMirror,
isFontInstalled: isFontInstalled,
isW3CRangeSupport: !!document.createRange
};
var NBSP_CHAR = String.fromCharCode(160);
var ZERO_WIDTH_NBSP_CHAR = '\ufeff';
/**
* @class core.dom
*
* Dom functions
*
* @singleton
* @alternateClassName dom
*/
var dom = (function () {
/**
* @method isEditable
*
* returns whether node is `note-editable` or not.
*
* @param {Node} node
* @return {Boolean}
*/
var isEditable = function (node) {
return node && $(node).hasClass('note-editable');
};
/**
* @method isControlSizing
*
* returns whether node is `note-control-sizing` or not.
*
* @param {Node} node
* @return {Boolean}
*/
var isControlSizing = function (node) {
return node && $(node).hasClass('note-control-sizing');
};
/**
* @method makePredByNodeName
*
* returns predicate which judge whether nodeName is same
*
* @param {String} nodeName
* @return {Function}
*/
var makePredByNodeName = function (nodeName) {
nodeName = nodeName.toUpperCase();
return function (node) {
return node && node.nodeName.toUpperCase() === nodeName;
};
};
/**
* @method isText
*
*
*
* @param {Node} node
* @return {Boolean} true if node's type is text(3)
*/
var isText = function (node) {
return node && node.nodeType === 3;
};
/**
* @method isElement
*
*
*
* @param {Node} node
* @return {Boolean} true if node's type is element(1)
*/
var isElement = function (node) {
return node && node.nodeType === 1;
};
/**
* ex) br, col, embed, hr, img, input, ...
* @see http://www.w3.org/html/wg/drafts/html/master/syntax.html#void-elements
*/
var isVoid = function (node) {
return node && /^BR|^IMG|^HR|^IFRAME|^BUTTON/.test(node.nodeName.toUpperCase());
};
var isPara = function (node) {
if (isEditable(node)) {
return false;
}
// Chrome(v31.0), FF(v25.0.1) use DIV for paragraph
return node && /^DIV|^P|^LI|^H[1-7]/.test(node.nodeName.toUpperCase());
};
var isHeading = function (node) {
return node && /^H[1-7]/.test(node.nodeName.toUpperCase());
};
var isPre = makePredByNodeName('PRE');
var isLi = makePredByNodeName('LI');
var isPurePara = function (node) {
return isPara(node) && !isLi(node);
};
var isTable = makePredByNodeName('TABLE');
var isData = makePredByNodeName('DATA');
var isInline = function (node) {
return !isBodyContainer(node) &&
!isList(node) &&
!isHr(node) &&
!isPara(node) &&
!isTable(node) &&
!isBlockquote(node) &&
!isData(node);
};
var isList = function (node) {
return node && /^UL|^OL/.test(node.nodeName.toUpperCase());
};
var isHr = makePredByNodeName('HR');
var isCell = function (node) {
return node && /^TD|^TH/.test(node.nodeName.toUpperCase());
};
var isBlockquote = makePredByNodeName('BLOCKQUOTE');
var isBodyContainer = function (node) {
return isCell(node) || isBlockquote(node) || isEditable(node);
};
var isAnchor = makePredByNodeName('A');
var isParaInline = function (node) {
return isInline(node) && !!ancestor(node, isPara);
};
var isBodyInline = function (node) {
return isInline(node) && !ancestor(node, isPara);
};
var isBody = makePredByNodeName('BODY');
/**
* returns whether nodeB is closest sibling of nodeA
*
* @param {Node} nodeA
* @param {Node} nodeB
* @return {Boolean}
*/
var isClosestSibling = function (nodeA, nodeB) {
return nodeA.nextSibling === nodeB ||
nodeA.previousSibling === nodeB;
};
/**
* returns array of closest siblings with node
*
* @param {Node} node
* @param {function} [pred] - predicate function
* @return {Node[]}
*/
var withClosestSiblings = function (node, pred) {
pred = pred || func.ok;
var siblings = [];
if (node.previousSibling && pred(node.previousSibling)) {
siblings.push(node.previousSibling);
}
siblings.push(node);
if (node.nextSibling && pred(node.nextSibling)) {
siblings.push(node.nextSibling);
}
return siblings;
};
/**
* blank HTML for cursor position
* - [workaround] old IE only works with
* - [workaround] IE11 and other browser works with bogus br
*/
var blankHTML = agent.isMSIE && agent.browserVersion < 11 ? ' ' : '
';
/**
* @method nodeLength
*
* returns #text's text size or element's childNodes size
*
* @param {Node} node
*/
var nodeLength = function (node) {
if (isText(node)) {
return node.nodeValue.length;
}
if (node) {
return node.childNodes.length;
}
return 0;
};
/**
* returns whether node is empty or not.
*
* @param {Node} node
* @return {Boolean}
*/
var isEmpty = function (node) {
var len = nodeLength(node);
if (len === 0) {
return true;
} else if (!isText(node) && len === 1 && node.innerHTML === blankHTML) {
// ex)
,
return true;
} else if (list.all(node.childNodes, isText) && node.innerHTML === '') {
// ex)
,
return true;
}
return false;
};
/**
* padding blankHTML if node is empty (for cursor position)
*/
var paddingBlankHTML = function (node) {
if (!isVoid(node) && !nodeLength(node)) {
node.innerHTML = blankHTML;
}
};
/**
* find nearest ancestor predicate hit
*
* @param {Node} node
* @param {Function} pred - predicate function
*/
var ancestor = function (node, pred) {
while (node) {
if (pred(node)) { return node; }
if (isEditable(node)) { break; }
node = node.parentNode;
}
return null;
};
/**
* find nearest ancestor only single child blood line and predicate hit
*
* @param {Node} node
* @param {Function} pred - predicate function
*/
var singleChildAncestor = function (node, pred) {
node = node.parentNode;
while (node) {
if (nodeLength(node) !== 1) { break; }
if (pred(node)) { return node; }
if (isEditable(node)) { break; }
node = node.parentNode;
}
return null;
};
/**
* returns new array of ancestor nodes (until predicate hit).
*
* @param {Node} node
* @param {Function} [optional] pred - predicate function
*/
var listAncestor = function (node, pred) {
pred = pred || func.fail;
var ancestors = [];
ancestor(node, function (el) {
if (!isEditable(el)) {
ancestors.push(el);
}
return pred(el);
});
return ancestors;
};
/**
* find farthest ancestor predicate hit
*/
var lastAncestor = function (node, pred) {
var ancestors = listAncestor(node);
return list.last(ancestors.filter(pred));
};
/**
* returns common ancestor node between two nodes.
*
* @param {Node} nodeA
* @param {Node} nodeB
*/
var commonAncestor = function (nodeA, nodeB) {
var ancestors = listAncestor(nodeA);
for (var n = nodeB; n; n = n.parentNode) {
if ($.inArray(n, ancestors) > -1) { return n; }
}
return null; // difference document area
};
/**
* listing all previous siblings (until predicate hit).
*
* @param {Node} node
* @param {Function} [optional] pred - predicate function
*/
var listPrev = function (node, pred) {
pred = pred || func.fail;
var nodes = [];
while (node) {
if (pred(node)) { break; }
nodes.push(node);
node = node.previousSibling;
}
return nodes;
};
/**
* listing next siblings (until predicate hit).
*
* @param {Node} node
* @param {Function} [pred] - predicate function
*/
var listNext = function (node, pred) {
pred = pred || func.fail;
var nodes = [];
while (node) {
if (pred(node)) { break; }
nodes.push(node);
node = node.nextSibling;
}
return nodes;
};
/**
* listing descendant nodes
*
* @param {Node} node
* @param {Function} [pred] - predicate function
*/
var listDescendant = function (node, pred) {
var descendants = [];
pred = pred || func.ok;
// start DFS(depth first search) with node
(function fnWalk(current) {
if (node !== current && pred(current)) {
descendants.push(current);
}
for (var idx = 0, len = current.childNodes.length; idx < len; idx++) {
fnWalk(current.childNodes[idx]);
}
})(node);
return descendants;
};
/**
* wrap node with new tag.
*
* @param {Node} node
* @param {Node} tagName of wrapper
* @return {Node} - wrapper
*/
var wrap = function (node, wrapperName) {
var parent = node.parentNode;
var wrapper = $('<' + wrapperName + '>')[0];
parent.insertBefore(wrapper, node);
wrapper.appendChild(node);
return wrapper;
};
/**
* insert node after preceding
*
* @param {Node} node
* @param {Node} preceding - predicate function
*/
var insertAfter = function (node, preceding) {
var next = preceding.nextSibling, parent = preceding.parentNode;
if (next) {
parent.insertBefore(node, next);
} else {
parent.appendChild(node);
}
return node;
};
/**
* append elements.
*
* @param {Node} node
* @param {Collection} aChild
*/
var appendChildNodes = function (node, aChild) {
$.each(aChild, function (idx, child) {
node.appendChild(child);
});
return node;
};
/**
* returns whether boundaryPoint is left edge or not.
*
* @param {BoundaryPoint} point
* @return {Boolean}
*/
var isLeftEdgePoint = function (point) {
return point.offset === 0;
};
/**
* returns whether boundaryPoint is right edge or not.
*
* @param {BoundaryPoint} point
* @return {Boolean}
*/
var isRightEdgePoint = function (point) {
return point.offset === nodeLength(point.node);
};
/**
* returns whether boundaryPoint is edge or not.
*
* @param {BoundaryPoint} point
* @return {Boolean}
*/
var isEdgePoint = function (point) {
return isLeftEdgePoint(point) || isRightEdgePoint(point);
};
/**
* returns whether node is left edge of ancestor or not.
*
* @param {Node} node
* @param {Node} ancestor
* @return {Boolean}
*/
var isLeftEdgeOf = function (node, ancestor) {
while (node && node !== ancestor) {
if (position(node) !== 0) {
return false;
}
node = node.parentNode;
}
return true;
};
/**
* returns whether node is right edge of ancestor or not.
*
* @param {Node} node
* @param {Node} ancestor
* @return {Boolean}
*/
var isRightEdgeOf = function (node, ancestor) {
if (!ancestor) {
return false;
}
while (node && node !== ancestor) {
if (position(node) !== nodeLength(node.parentNode) - 1) {
return false;
}
node = node.parentNode;
}
return true;
};
/**
* returns whether point is left edge of ancestor or not.
* @param {BoundaryPoint} point
* @param {Node} ancestor
* @return {Boolean}
*/
var isLeftEdgePointOf = function (point, ancestor) {
return isLeftEdgePoint(point) && isLeftEdgeOf(point.node, ancestor);
};
/**
* returns whether point is right edge of ancestor or not.
* @param {BoundaryPoint} point
* @param {Node} ancestor
* @return {Boolean}
*/
var isRightEdgePointOf = function (point, ancestor) {
return isRightEdgePoint(point) && isRightEdgeOf(point.node, ancestor);
};
/**
* returns offset from parent.
*
* @param {Node} node
*/
var position = function (node) {
var offset = 0;
while ((node = node.previousSibling)) {
offset += 1;
}
return offset;
};
var hasChildren = function (node) {
return !!(node && node.childNodes && node.childNodes.length);
};
/**
* returns previous boundaryPoint
*
* @param {BoundaryPoint} point
* @param {Boolean} isSkipInnerOffset
* @return {BoundaryPoint}
*/
var prevPoint = function (point, isSkipInnerOffset) {
var node, offset;
if (point.offset === 0) {
if (isEditable(point.node)) {
return null;
}
node = point.node.parentNode;
offset = position(point.node);
} else if (hasChildren(point.node)) {
node = point.node.childNodes[point.offset - 1];
offset = nodeLength(node);
} else {
node = point.node;
offset = isSkipInnerOffset ? 0 : point.offset - 1;
}
return {
node: node,
offset: offset
};
};
/**
* returns next boundaryPoint
*
* @param {BoundaryPoint} point
* @param {Boolean} isSkipInnerOffset
* @return {BoundaryPoint}
*/
var nextPoint = function (point, isSkipInnerOffset) {
var node, offset;
if (nodeLength(point.node) === point.offset) {
if (isEditable(point.node)) {
return null;
}
node = point.node.parentNode;
offset = position(point.node) + 1;
} else if (hasChildren(point.node)) {
node = point.node.childNodes[point.offset];
offset = 0;
} else {
node = point.node;
offset = isSkipInnerOffset ? nodeLength(point.node) : point.offset + 1;
}
return {
node: node,
offset: offset
};
};
/**
* returns whether pointA and pointB is same or not.
*
* @param {BoundaryPoint} pointA
* @param {BoundaryPoint} pointB
* @return {Boolean}
*/
var isSamePoint = function (pointA, pointB) {
return pointA.node === pointB.node && pointA.offset === pointB.offset;
};
/**
* returns whether point is visible (can set cursor) or not.
*
* @param {BoundaryPoint} point
* @return {Boolean}
*/
var isVisiblePoint = function (point) {
if (isText(point.node) || !hasChildren(point.node) || isEmpty(point.node)) {
return true;
}
var leftNode = point.node.childNodes[point.offset - 1];
var rightNode = point.node.childNodes[point.offset];
if ((!leftNode || isVoid(leftNode)) && (!rightNode || isVoid(rightNode))) {
return true;
}
return false;
};
/**
* @method prevPointUtil
*
* @param {BoundaryPoint} point
* @param {Function} pred
* @return {BoundaryPoint}
*/
var prevPointUntil = function (point, pred) {
while (point) {
if (pred(point)) {
return point;
}
point = prevPoint(point);
}
return null;
};
/**
* @method nextPointUntil
*
* @param {BoundaryPoint} point
* @param {Function} pred
* @return {BoundaryPoint}
*/
var nextPointUntil = function (point, pred) {
while (point) {
if (pred(point)) {
return point;
}
point = nextPoint(point);
}
return null;
};
/**
* returns whether point has character or not.
*
* @param {Point} point
* @return {Boolean}
*/
var isCharPoint = function (point) {
if (!isText(point.node)) {
return false;
}
var ch = point.node.nodeValue.charAt(point.offset - 1);
return ch && (ch !== ' ' && ch !== NBSP_CHAR);
};
/**
* @method walkPoint
*
* @param {BoundaryPoint} startPoint
* @param {BoundaryPoint} endPoint
* @param {Function} handler
* @param {Boolean} isSkipInnerOffset
*/
var walkPoint = function (startPoint, endPoint, handler, isSkipInnerOffset) {
var point = startPoint;
while (point) {
handler(point);
if (isSamePoint(point, endPoint)) {
break;
}
var isSkipOffset = isSkipInnerOffset &&
startPoint.node !== point.node &&
endPoint.node !== point.node;
point = nextPoint(point, isSkipOffset);
}
};
/**
* @method makeOffsetPath
*
* return offsetPath(array of offset) from ancestor
*
* @param {Node} ancestor - ancestor node
* @param {Node} node
*/
var makeOffsetPath = function (ancestor, node) {
var ancestors = listAncestor(node, func.eq(ancestor));
return ancestors.map(position).reverse();
};
/**
* @method fromOffsetPath
*
* return element from offsetPath(array of offset)
*
* @param {Node} ancestor - ancestor node
* @param {array} offsets - offsetPath
*/
var fromOffsetPath = function (ancestor, offsets) {
var current = ancestor;
for (var i = 0, len = offsets.length; i < len; i++) {
if (current.childNodes.length <= offsets[i]) {
current = current.childNodes[current.childNodes.length - 1];
} else {
current = current.childNodes[offsets[i]];
}
}
return current;
};
/**
* @method splitNode
*
* split element or #text
*
* @param {BoundaryPoint} point
* @param {Object} [options]
* @param {Boolean} [options.isSkipPaddingBlankHTML] - default: false
* @param {Boolean} [options.isNotSplitEdgePoint] - default: false
* @return {Node} right node of boundaryPoint
*/
var splitNode = function (point, options) {
var isSkipPaddingBlankHTML = options && options.isSkipPaddingBlankHTML;
var isNotSplitEdgePoint = options && options.isNotSplitEdgePoint;
// edge case
if (isEdgePoint(point) && (isText(point.node) || isNotSplitEdgePoint)) {
if (isLeftEdgePoint(point)) {
return point.node;
} else if (isRightEdgePoint(point)) {
return point.node.nextSibling;
}
}
// split #text
if (isText(point.node)) {
return point.node.splitText(point.offset);
} else {
var childNode = point.node.childNodes[point.offset];
var clone = insertAfter(point.node.cloneNode(false), point.node);
appendChildNodes(clone, listNext(childNode));
if (!isSkipPaddingBlankHTML) {
paddingBlankHTML(point.node);
paddingBlankHTML(clone);
}
return clone;
}
};
/**
* @method splitTree
*
* split tree by point
*
* @param {Node} root - split root
* @param {BoundaryPoint} point
* @param {Object} [options]
* @param {Boolean} [options.isSkipPaddingBlankHTML] - default: false
* @param {Boolean} [options.isNotSplitEdgePoint] - default: false
* @return {Node} right node of boundaryPoint
*/
var splitTree = function (root, point, options) {
// ex) [#text,
, ]
var ancestors = listAncestor(point.node, func.eq(root));
if (!ancestors.length) {
return null;
} else if (ancestors.length === 1) {
return splitNode(point, options);
}
return ancestors.reduce(function (node, parent) {
if (node === point.node) {
node = splitNode(point, options);
}
return splitNode({
node: parent,
offset: node ? dom.position(node) : nodeLength(parent)
}, options);
});
};
/**
* split point
*
* @param {Point} point
* @param {Boolean} isInline
* @return {Object}
*/
var splitPoint = function (point, isInline) {
// find splitRoot, container
// - inline: splitRoot is a child of paragraph
// - block: splitRoot is a child of bodyContainer
var pred = isInline ? isPara : isBodyContainer;
var ancestors = listAncestor(point.node, pred);
var topAncestor = list.last(ancestors) || point.node;
var splitRoot, container;
if (pred(topAncestor)) {
splitRoot = ancestors[ancestors.length - 2];
container = topAncestor;
} else {
splitRoot = topAncestor;
container = splitRoot.parentNode;
}
// if splitRoot is exists, split with splitTree
var pivot = splitRoot && splitTree(splitRoot, point, {
isSkipPaddingBlankHTML: isInline,
isNotSplitEdgePoint: isInline
});
// if container is point.node, find pivot with point.offset
if (!pivot && container === point.node) {
pivot = point.node.childNodes[point.offset];
}
return {
rightNode: pivot,
container: container
};
};
var create = function (nodeName) {
return document.createElement(nodeName);
};
var createText = function (text) {
return document.createTextNode(text);
};
/**
* @method remove
*
* remove node, (isRemoveChild: remove child or not)
*
* @param {Node} node
* @param {Boolean} isRemoveChild
*/
var remove = function (node, isRemoveChild) {
if (!node || !node.parentNode) { return; }
if (node.removeNode) { return node.removeNode(isRemoveChild); }
var parent = node.parentNode;
if (!isRemoveChild) {
var nodes = [];
var i, len;
for (i = 0, len = node.childNodes.length; i < len; i++) {
nodes.push(node.childNodes[i]);
}
for (i = 0, len = nodes.length; i < len; i++) {
parent.insertBefore(nodes[i], node);
}
}
parent.removeChild(node);
};
/**
* @method removeWhile
*
* @param {Node} node
* @param {Function} pred
*/
var removeWhile = function (node, pred) {
while (node) {
if (isEditable(node) || !pred(node)) {
break;
}
var parent = node.parentNode;
remove(node);
node = parent;
}
};
/**
* @method replace
*
* replace node with provided nodeName
*
* @param {Node} node
* @param {String} nodeName
* @return {Node} - new node
*/
var replace = function (node, nodeName) {
if (node.nodeName.toUpperCase() === nodeName.toUpperCase()) {
return node;
}
var newNode = create(nodeName);
if (node.style.cssText) {
newNode.style.cssText = node.style.cssText;
}
appendChildNodes(newNode, list.from(node.childNodes));
insertAfter(newNode, node);
remove(node);
return newNode;
};
var isTextarea = makePredByNodeName('TEXTAREA');
/**
* @param {jQuery} $node
* @param {Boolean} [stripLinebreaks] - default: false
*/
var value = function ($node, stripLinebreaks) {
var val = isTextarea($node[0]) ? $node.val() : $node.html();
if (stripLinebreaks) {
return val.replace(/[\n\r]/g, '');
}
return val;
};
/**
* @method html
*
* get the HTML contents of node
*
* @param {jQuery} $node
* @param {Boolean} [isNewlineOnBlock]
*/
var html = function ($node, isNewlineOnBlock) {
var markup = value($node);
if (isNewlineOnBlock) {
var regexTag = /<(\/?)(\b(?!!)[^>\s]*)(.*?)(\s*\/?>)/g;
markup = markup.replace(regexTag, function (match, endSlash, name) {
name = name.toUpperCase();
var isEndOfInlineContainer = /^DIV|^TD|^TH|^P|^LI|^H[1-7]/.test(name) &&
!!endSlash;
var isBlockNode = /^BLOCKQUOTE|^TABLE|^TBODY|^TR|^HR|^UL|^OL/.test(name);
return match + ((isEndOfInlineContainer || isBlockNode) ? '\n' : '');
});
markup = $.trim(markup);
}
return markup;
};
var posFromPlaceholder = function (placeholder) {
var $placeholder = $(placeholder);
var pos = $placeholder.offset();
var height = $placeholder.outerHeight(true); // include margin
return {
left: pos.left,
top: pos.top + height
};
};
var attachEvents = function ($node, events) {
Object.keys(events).forEach(function (key) {
$node.on(key, events[key]);
});
};
var detachEvents = function ($node, events) {
Object.keys(events).forEach(function (key) {
$node.off(key, events[key]);
});
};
return {
/** @property {String} NBSP_CHAR */
NBSP_CHAR: NBSP_CHAR,
/** @property {String} ZERO_WIDTH_NBSP_CHAR */
ZERO_WIDTH_NBSP_CHAR: ZERO_WIDTH_NBSP_CHAR,
/** @property {String} blank */
blank: blankHTML,
/** @property {String} emptyPara */
emptyPara: '
' + blankHTML + '
',
// emptyPara: '' + blankHTML + '
',
makePredByNodeName: makePredByNodeName,
isEditable: isEditable,
isControlSizing: isControlSizing,
isText: isText,
isElement: isElement,
isVoid: isVoid,
isPara: isPara,
isPurePara: isPurePara,
isHeading: isHeading,
isInline: isInline,
isBlock: func.not(isInline),
isBodyInline: isBodyInline,
isBody: isBody,
isParaInline: isParaInline,
isPre: isPre,
isList: isList,
isTable: isTable,
isData: isData,
isCell: isCell,
isBlockquote: isBlockquote,
isBodyContainer: isBodyContainer,
isAnchor: isAnchor,
isDiv: makePredByNodeName('DIV'),
isLi: isLi,
isBR: makePredByNodeName('BR'),
isSpan: makePredByNodeName('SPAN'),
isB: makePredByNodeName('B'),
isU: makePredByNodeName('U'),
isS: makePredByNodeName('S'),
isI: makePredByNodeName('I'),
isImg: makePredByNodeName('IMG'),
isTextarea: isTextarea,
isEmpty: isEmpty,
isEmptyAnchor: func.and(isAnchor, isEmpty),
isClosestSibling: isClosestSibling,
withClosestSiblings: withClosestSiblings,
nodeLength: nodeLength,
isLeftEdgePoint: isLeftEdgePoint,
isRightEdgePoint: isRightEdgePoint,
isEdgePoint: isEdgePoint,
isLeftEdgeOf: isLeftEdgeOf,
isRightEdgeOf: isRightEdgeOf,
isLeftEdgePointOf: isLeftEdgePointOf,
isRightEdgePointOf: isRightEdgePointOf,
prevPoint: prevPoint,
nextPoint: nextPoint,
isSamePoint: isSamePoint,
isVisiblePoint: isVisiblePoint,
prevPointUntil: prevPointUntil,
nextPointUntil: nextPointUntil,
isCharPoint: isCharPoint,
walkPoint: walkPoint,
ancestor: ancestor,
singleChildAncestor: singleChildAncestor,
listAncestor: listAncestor,
lastAncestor: lastAncestor,
listNext: listNext,
listPrev: listPrev,
listDescendant: listDescendant,
commonAncestor: commonAncestor,
wrap: wrap,
insertAfter: insertAfter,
appendChildNodes: appendChildNodes,
position: position,
hasChildren: hasChildren,
makeOffsetPath: makeOffsetPath,
fromOffsetPath: fromOffsetPath,
splitTree: splitTree,
splitPoint: splitPoint,
create: create,
createText: createText,
remove: remove,
removeWhile: removeWhile,
replace: replace,
html: html,
value: value,
posFromPlaceholder: posFromPlaceholder,
attachEvents: attachEvents,
detachEvents: detachEvents
};
})();
/**
* @param {jQuery} $note
* @param {Object} options
* @return {Context}
*/
var Context = function ($note, options) {
var self = this;
var ui = $.summernote.ui;
this.memos = {};
this.modules = {};
this.layoutInfo = {};
this.options = options;
/**
* create layout and initialize modules and other resources
*/
this.initialize = function () {
this.layoutInfo = ui.createLayout($note, options);
this._initialize();
$note.hide();
return this;
};
/**
* destroy modules and other resources and remove layout
*/
this.destroy = function () {
this._destroy();
$note.removeData('summernote');
ui.removeLayout($note, this.layoutInfo);
};
/**
* destory modules and other resources and initialize it again
*/
this.reset = function () {
var disabled = self.isDisabled();
this.code(dom.emptyPara);
this._destroy();
this._initialize();
if (disabled) {
self.disable();
}
};
this._initialize = function () {
// add optional buttons
var buttons = $.extend({}, this.options.buttons);
Object.keys(buttons).forEach(function (key) {
self.memo('button.' + key, buttons[key]);
});
var modules = $.extend({}, this.options.modules, $.summernote.plugins || {});
// add and initialize modules
Object.keys(modules).forEach(function (key) {
self.module(key, modules[key], true);
});
Object.keys(this.modules).forEach(function (key) {
self.initializeModule(key);
});
};
this._destroy = function () {
// destroy modules with reversed order
Object.keys(this.modules).reverse().forEach(function (key) {
self.removeModule(key);
});
Object.keys(this.memos).forEach(function (key) {
self.removeMemo(key);
});
};
this.code = function (html) {
var isActivated = this.invoke('codeview.isActivated');
if (html === undefined) {
this.invoke('codeview.sync');
return isActivated ? this.layoutInfo.codable.val() : this.layoutInfo.editable.html();
} else {
if (isActivated) {
this.layoutInfo.codable.val(html);
} else {
this.layoutInfo.editable.html(html);
}
$note.val(html);
this.triggerEvent('change', html);
}
};
this.isDisabled = function () {
return this.layoutInfo.editable.attr('contenteditable') === 'false';
};
this.enable = function () {
this.layoutInfo.editable.attr('contenteditable', true);
this.invoke('toolbar.activate', true);
};
this.disable = function () {
// close codeview if codeview is opend
if (this.invoke('codeview.isActivated')) {
this.invoke('codeview.deactivate');
}
this.layoutInfo.editable.attr('contenteditable', false);
this.invoke('toolbar.deactivate', true);
};
this.triggerEvent = function () {
var namespace = list.head(arguments);
var args = list.tail(list.from(arguments));
var callback = this.options.callbacks[func.namespaceToCamel(namespace, 'on')];
if (callback) {
callback.apply($note[0], args);
}
$note.trigger('summernote.' + namespace, args);
};
this.initializeModule = function (key) {
var module = this.modules[key];
module.shouldInitialize = module.shouldInitialize || func.ok;
if (!module.shouldInitialize()) {
return;
}
// initialize module
if (module.initialize) {
module.initialize();
}
// attach events
if (module.events) {
dom.attachEvents($note, module.events);
}
};
this.module = function (key, ModuleClass, withoutIntialize) {
if (arguments.length === 1) {
return this.modules[key];
}
this.modules[key] = new ModuleClass(this);
if (!withoutIntialize) {
this.initializeModule(key);
}
};
this.removeModule = function (key) {
var module = this.modules[key];
if (module.shouldInitialize()) {
if (module.events) {
dom.detachEvents($note, module.events);
}
if (module.destroy) {
module.destroy();
}
}
delete this.modules[key];
};
this.memo = function (key, obj) {
if (arguments.length === 1) {
return this.memos[key];
}
this.memos[key] = obj;
};
this.removeMemo = function (key) {
if (this.memos[key] && this.memos[key].destroy) {
this.memos[key].destroy();
}
delete this.memos[key];
};
this.createInvokeHandler = function (namespace, value) {
return function (event) {
event.preventDefault();
self.invoke(namespace, value || $(event.target).closest('[data-value]').data('value'));
};
};
this.invoke = function () {
var namespace = list.head(arguments);
var args = list.tail(list.from(arguments));
var splits = namespace.split('.');
var hasSeparator = splits.length > 1;
var moduleName = hasSeparator && list.head(splits);
var methodName = hasSeparator ? list.last(splits) : list.head(splits);
var module = this.modules[moduleName || 'editor'];
if (!moduleName && this[methodName]) {
return this[methodName].apply(this, args);
} else if (module && module[methodName] && module.shouldInitialize()) {
return module[methodName].apply(module, args);
}
};
return this.initialize();
};
$.fn.extend({
/**
* Summernote API
*
* @param {Object|String}
* @return {this}
*/
summernote: function () {
var type = $.type(list.head(arguments));
var isExternalAPICalled = type === 'string';
var hasInitOptions = type === 'object';
var options = hasInitOptions ? list.head(arguments) : {};
options = $.extend({}, $.summernote.options, options);
options.langInfo = $.extend(true, {}, $.summernote.lang['en-US'], $.summernote.lang[options.lang]);
options.icons = $.extend(true, {}, $.summernote.options.icons, options.icons);
this.each(function (idx, note) {
var $note = $(note);
if (!$note.data('summernote')) {
var context = new Context($note, options);
$note.data('summernote', context);
$note.data('summernote').triggerEvent('init', context.layoutInfo);
}
});
var $note = this.first();
if ($note.length) {
var context = $note.data('summernote');
if (isExternalAPICalled) {
return context.invoke.apply(context, list.from(arguments));
} else if (options.focus) {
context.invoke('editor.focus');
}
}
return this;
}
});
var Renderer = function (markup, children, options, callback) {
this.render = function ($parent) {
var $node = $(markup);
if (options && options.contents) {
$node.html(options.contents);
}
if (options && options.className) {
$node.addClass(options.className);
}
if (options && options.data) {
$.each(options.data, function (k, v) {
$node.attr('data-' + k, v);
});
}
if (options && options.click) {
$node.on('click', options.click);
}
if (children) {
var $container = $node.find('.note-children-container');
children.forEach(function (child) {
child.render($container.length ? $container : $node);
});
}
if (callback) {
callback($node, options);
}
if (options && options.callback) {
options.callback($node);
}
if ($parent) {
$parent.append($node);
}
return $node;
};
};
var renderer = {
create: function (markup, callback) {
return function () {
var children = $.isArray(arguments[0]) ? arguments[0] : [];
var options = typeof arguments[1] === 'object' ? arguments[1] : arguments[0];
if (options && options.children) {
children = options.children;
}
return new Renderer(markup, children, options, callback);
};
}
};
var editor = renderer.create('');
var toolbar = renderer.create('');
var editingArea = renderer.create('');
var codable = renderer.create('');
var editable = renderer.create('');
var statusbar = renderer.create([
''
].join(''));
var airEditor = renderer.create('');
var airEditable = renderer.create('');
var buttonGroup = renderer.create('');
var button = renderer.create('