/**
* summernote.js
* (c) 2013~ Alan Hong
* summernote may be freely distributed under the MIT license./
*/
(function($) { "use strict";
//Check Platform/Agent
var bMac = navigator.appVersion.indexOf('Mac') > -1;
var bMSIE = navigator.userAgent.indexOf('MSIE') > -1;
/**
* func utils (for high-order func's arg)
*/
var func = function() {
var eq = function(elA) { return function(elB) { return elA === elB; }; };
var eq2 = function(elA, elB) { return elA === elB; };
var fail = function() { return false; };
var not = function(f) { return function() { return !f.apply(f, arguments); }};
var self = function(a) { return a; }
return { eq: eq, eq2: eq2, fail: fail, not: not, self: self };
}();
/**
* list utils
*/
var list = function() {
var head = function(array) { return array[0]; };
var last = function(array) { return array[array.length - 1]; };
var initial = function(array) { return array.slice(0, array.length - 1); };
var tail = function(array) { return array.slice(1); };
var sum = function(array, fn) {
fn = fn || func.self;
return array.reduce(function(memo, v) {
return memo + fn(v);
}, 0);
};
var from = function(collection) {
var result = [], idx = -1, length = collection.length;
while (++idx < length) {
result[idx] = collection[idx];
}
return result;
};
var clusterBy = function(array, fn) {
if (array.length === 0) { return []; }
var aTail = tail(array);
return aTail.reduce(function (memo, v) {
var aLast = last(memo);
if (fn(last(aLast), v)) {
aLast[aLast.length] = v;
} else {
memo[memo.length] = [v];
}
return memo;
}, [[head(array)]]);
};
var compact = function(array) {
var aResult = [];
for (var idx = 0, sz = array.length; idx < sz; idx ++) {
if (array[idx]) { aResult.push(array[idx]); };
};
return aResult;
};
return { head: head, last: last, initial: initial, tail: tail,
sum: sum, from: from, compact: compact, clusterBy: clusterBy };
}();
/**
* dom utils
*/
var dom = function() {
var makePredByNodeName = function(sNodeName) {
// nodeName of element is always uppercase.
return function(node) { return node && node.nodeName === sNodeName; };
};
var isPara = function(node) {
return node && /^P|^LI|^H[1-7]/.test(node.nodeName);
};
var isList = function(node) {
return node && /^UL|^OL/.test(node.nodeName);
};
var isEditable = function(node) {
return node && $(node).hasClass('note-editable');
};
var isControlSizing = function(node) {
return node && $(node).hasClass('note-control-sizing');
};
// ancestor: find nearest ancestor predicate hit
var ancestor = function(node, pred) {
while (node) {
if (pred(node)) { return node; }
node = node.parentNode;
}
return null;
};
// listAncestor: listing ancestor nodes (until predicate hit: optional)
var listAncestor = function(node, pred) {
pred = pred || func.fail;
var aAncestor = [];
ancestor(node, function(el) {
aAncestor.push(el);
return pred(el);
});
return aAncestor;
};
// commonAncestor: find commonAncestor
var commonAncestor = function(nodeA, nodeB) {
var aAncestor = listAncestor(nodeA);
for (var n = nodeB; n; n = n.parentNode) {
if ($.inArray(n, aAncestor) > -1) { return n; }
}
return null; // difference document area
};
// listBetween: listing all Nodes between nodeA and nodeB
// FIXME: nodeA and nodeB must be sorted, use comparePoints later.
var listBetween = function(nodeA, nodeB) {
var aNode = [];
var bStart = false, bEnd = false;
var fnWalk = function(node) {
if (!node) { return; } // traverse fisnish
if (node === nodeA) { bStart = true; } // start point
if (bStart && !bEnd) { aNode.push(node) } // between
if (node === nodeB) { bEnd = true; return; } // end point
for (var idx = 0, sz = node.childNodes.length; idx < sz; idx++) {
fnWalk(node.childNodes[idx]);
}
}
fnWalk(commonAncestor(nodeA, nodeB)); // DFS with commonAcestor.
return aNode;
};
// listPrev: listing prevSiblings (until predicate hit: optional)
var listPrev = function(node, pred) {
pred = pred || func.fail;
var aNext = [];
while (node) {
aNext.push(node);
if (pred(node)) { break; }
node = node.previousSibling;
};
return aNext;
};
// listNext: listing nextSiblings (until predicate hit: optional)
var listNext = function(node, pred) {
pred = pred || func.fail;
var aNext = [];
while (node) {
aNext.push(node);
if (pred(node)) { break; }
node = node.nextSibling;
};
return aNext;
};
// insertAfter: insert node after preceding
var insertAfter = function(node, preceding) {
var next = preceding.nextSibling, parent = preceding.parentNode;
if (next) {
parent.insertBefore(node, next);
} else {
parent.appendChild(node);
}
return node;
};
// appends: append children
var appends = function(node, aChild) {
$.each(aChild, function(idx, child) {
node.appendChild(child);
});
return node;
};
var isText = makePredByNodeName('#text');
// length: size of element.
var length = function(node) {
if (isText(node)) { return node.nodeValue.length; }
return node.childNodes.length;
};
// position: offset from parent.
var position = function(node) {
var offset = 0;
while (node = node.previousSibling) { offset += 1; }
return offset;
};
// makeOffsetPath: return offsetPath(offset list) from ancestor
var makeOffsetPath = function(ancestor, node) {
var aAncestor = list.initial(listAncestor(node, func.eq(ancestor)));
return $.map(aAncestor, position).reverse();
};
// fromtOffsetPath: return element from offsetPath(offset list)
var fromOffsetPath = function(ancestor, aOffset) {
var current = ancestor;
for (var i = 0, sz = aOffset.length; i < sz; i++) {
current = current.childNodes[aOffset[i]];
}
return current;
};
// splitData: split element or #text
var splitData = function(node, offset) {
if (offset === 0) { return node; }
if (offset >= length(node)) { return node.nextSibling; }
// splitText
if (isText(node)) { return node.splitText(offset); }
// splitElement
var child = node.childNodes[offset];
node = insertAfter(node.cloneNode(false), node);
return appends(node, listNext(child));
};
// split: split dom tree by boundaryPoint(pivot and offset)
var split = function(root, pivot, offset) {
var aAncestor = listAncestor(pivot, func.eq(root));
if (aAncestor.length === 1) { return splitData(pivot, offset); }
return aAncestor.reduce(function(node, parent) {
var clone = parent.cloneNode(false);
insertAfter(clone, parent);
if (node === pivot) {
node = splitData(node, offset);
}
appends(clone, listNext(node));
return clone;
});
};
// remove: remove node, (bRemoveChild: remove child or not)
var remove = function(node, bRemoveChild) {
if (!node || !node.parentNode) { return; }
if (node.removeNode) { return node.removeNode(bRemoveChild); }
var elParent = node.parentNode;
if (!bRemoveChild) {
var aNode = [];
for (var i = 0, sz = node.childNodes.length; i < sz; i++) {
aNode.push(node.childNodes[i]);
}
for (var i = 0, sz = aNode.length; i < sz; i++) {
elParent.insertBefore(aNode[i], node);
}
}
elParent.removeChild(node);
};
return {
isText: isText,
isPara: isPara, isList: isList,
isEditable: isEditable, isControlSizing: isControlSizing,
isAnchor: makePredByNodeName('A'),
isDiv: makePredByNodeName('DIV'), isSpan: makePredByNodeName('SPAN'),
isB: makePredByNodeName('B'), isU: makePredByNodeName('U'),
isS: makePredByNodeName('S'), isI: makePredByNodeName('I'),
isImg: makePredByNodeName('IMG'),
ancestor: ancestor, listAncestor: listAncestor,
listNext: listNext, listPrev: listPrev,
commonAncestor: commonAncestor, listBetween: listBetween,
insertAfter: insertAfter, position: position,
makeOffsetPath: makeOffsetPath, fromOffsetPath: fromOffsetPath,
split: split, remove: remove
};
}();
/**
* range module
*/
var range = function() {
var bW3CRangeSupport = !!document.createRange;
// return boundaryPoint from TextRange, inspired by Andy Na's HuskyRange.js
var textRange2bp = function(textRange, bStart) {
var elCont = textRange.parentElement(), nOffset;
var tester = document.body.createTextRange(), elPrevCont;
var aChild = list.from(elCont.childNodes);
for (nOffset = 0; nOffset < aChild.length; nOffset++) {
if (dom.isText(aChild[nOffset])) { continue; }
tester.moveToElementText(aChild[nOffset]);
if (tester.compareEndPoints('StartToStart', textRange) >= 0) { break; }
elPrevCont = aChild[nOffset];
}
if (nOffset != 0 && dom.isText(aChild[nOffset - 1])) {
var textRangeStart = document.body.createTextRange(), elCurText = null;
textRangeStart.moveToElementText(elPrevCont || elCont);
textRangeStart.collapse(!elPrevCont);
elCurText = elPrevCont ? elPrevCont.nextSibling : elCont.firstChild;
var pointTester = textRange.duplicate();
pointTester.setEndPoint('StartToStart', textRangeStart);
var nTextCount = pointTester.text.replace(/[\r\n]/g, '').length;
while (nTextCount > elCurText.nodeValue.length && elCurText.nextSibling) {
nTextCount -= elCurText.nodeValue.length;
elCurText = elCurText.nextSibling;
}
var sDummy = elCurText.nodeValue; //enforce IE to re-reference elCurText
if (bStart && elCurText.nextSibling && dom.isText(elCurText.nextSibling) &&
nTextCount == elCurText.nodeValue.length) {
nTextCount -= elCurText.nodeValue.length;
elCurText = elCurText.nextSibling;
}
elCont = elCurText;
nOffset = nTextCount;
}
return {cont: elCont, offset: nOffset};
};
// return TextRange from boundary point (inspired by google closure-library)
var bp2textRange = function(bp) {
var textRangeInfo = function(elCont, nOffset) {
var elNode, bCollapseToStart;
if (dom.isText(elCont)) {
var aPrevText = dom.listPrev(elCont, func.not(dom.isText));
var elPrevCont = list.last(aPrevText).previousSibling;
elNode = elPrevCont || elCont.parentNode;
nOffset += list.sum(list.tail(aPrevText), dom.length);
bCollapseToStart = !elPrevCont;
} else {
elNode = elCont.childNodes[nOffset] || elCont;
if (dom.isText(elNode)) {
return textRangeInfo(elNode, nOffset);
}
nOffset = 0;
bCollapseToStart = false;
}
return {cont: elNode, collapseToStart: bCollapseToStart, offset: nOffset};
}
var textRange = document.body.createTextRange();
var info = textRangeInfo(bp.cont, bp.offset);
textRange.moveToElementText(info.cont);
textRange.collapse(info.collapseToStart);
textRange.moveStart('character', info.offset);
return textRange;
};
// {startContainer, startOffset, endContainer, endOffset}
var WrappedRange = function(sc, so, ec, eo) {
this.sc = sc; this.so = so;
this.ec = ec; this.eo = eo;
// nativeRange: get nativeRange from sc, so, ec, eo
var nativeRange = function() {
if (bW3CRangeSupport) {
var w3cRange = document.createRange();
w3cRange.setStart(sc, so);
w3cRange.setEnd(ec, eo);
return w3cRange;
} else {
var textRange = bp2textRange({cont:sc, offset:so});
textRange.setEndPoint('EndToEnd', bp2textRange({cont:ec, offset:eo}));
return textRange;
}
};
// select: update visible range
this.select = function() {
var nativeRng = nativeRange();
if (bW3CRangeSupport) {
var selection = document.getSelection();
if (selection.rangeCount > 0) { selection.removeAllRanges(); }
selection.addRange(nativeRng);
} else {
nativeRng.select();
}
};
// listPara: listing paragraphs on range
this.listPara = function() {
var aNode = dom.listBetween(sc, ec);
var aPara = list.compact($.map(aNode, function(node) {
return dom.ancestor(node, dom.isPara);
}));
return $.map(list.clusterBy(aPara, func.eq2), list.head);
};
// makeIsOn: return isOn(pred) function
var makeIsOn = function(pred) {
return function() {
var elAncestor = dom.ancestor(sc, pred);
return elAncestor && (elAncestor === dom.ancestor(ec, pred));
};
};
// isOnEditable: judge whether range is on editable or not
this.isOnEditable = makeIsOn(dom.isEditable);
// isOnList: judge whether range is on list node or not
this.isOnList = makeIsOn(dom.isList);
// isOnAnchor: judge whether range is on anchor node or not
this.isOnAnchor = makeIsOn(dom.isAnchor);
// isCollapsed: judge whether range was collapsed
this.isCollapsed = function() { return sc === ec && so === eo; };
// insertNode
this.insertNode = function(node) {
var nativeRng = nativeRange();
if (bW3CRangeSupport) {
nativeRng.insertNode(node);
} else {
nativeRng.pasteHTML(node.outerHTML); // NOTE: missing node reference.
}
};
this.toString = function() {
var nativeRng = nativeRange();
if (bW3CRangeSupport) {
return nativeRng.toString();
} else {
return nativeRng.text;
}
};
//bookmark: offsetPath bookmark
this.bookmark = function(elEditable) {
return {
s: { path: dom.makeOffsetPath(elEditable, sc), offset: so },
e: { path: dom.makeOffsetPath(elEditable, ec), offset: eo }
};
};
};
return { // Range Object
// create Range Object From arguments or Browser Selection
create : function(sc, so, ec, eo) {
if (arguments.length === 0) { // from Browser Selection
if (bW3CRangeSupport) { // webkit, firefox
var nativeRng = document.getSelection().getRangeAt(0);
sc = nativeRng.startContainer, so = nativeRng.startOffset,
ec = nativeRng.endContainer, eo = nativeRng.endOffset;
} else { // IE8: TextRange
var textRange = document.selection.createRange();
var textRangeEnd = textRange.duplicate(); textRangeEnd.collapse(false);
var textRangeStart = textRange; textRangeStart.collapse(true);
var bpStart = textRange2bp(textRangeStart, true),
bpEnd = textRange2bp(textRangeEnd, false);
sc = bpStart.cont, so = bpStart.offset;
ec = bpEnd.cont, eo = bpEnd.offset;
}
} else if (arguments.length === 2) { //collapsed
ec = sc; eo = so;
}
return new WrappedRange(sc, so, ec, eo);
},
// createFromBookmark
createFromBookmark : function(elEditable, bookmark) {
var sc = dom.fromOffsetPath(elEditable, bookmark.s.path);
var so = bookmark.s.offset;
var ec = dom.fromOffsetPath(elEditable, bookmark.e.path);
var eo = bookmark.e.offset;
return new WrappedRange(sc, so, ec, eo);
}
};
}();
/**
* Style
*/
var Style = function() {
// para level style
this.stylePara = function(rng, oStyle) {
var aPara = rng.listPara();
$.each(aPara, function(idx, elPara) {
$.each(oStyle, function(sKey, sValue) {
elPara.style[sKey] = sValue;
});
});
};
// get current style, elTarget: target element on event.
this.current = function(rng, elTarget) {
var welCont = $(dom.isText(rng.sc) ? rng.sc.parentNode : rng.sc);
var oStyle = welCont.css(['font-size', 'text-align',
'list-style-type', 'line-height']) || {};
oStyle['font-size'] = parseInt(oStyle['font-size']);
// document.queryCommandState for toggle state
oStyle['font-bold'] = document.queryCommandState('bold') ? 'bold' : 'normal';
oStyle['font-italic'] = document.queryCommandState('italic') ? 'italic' : 'normal';
oStyle['font-underline'] = document.queryCommandState('underline') ? 'underline' : 'normal';
// list-style-type to list-style(unordered, ordered)
if (!rng.isOnList()) {
oStyle['list-style'] = 'none';
} else {
var aOrderedType = ['circle', 'disc', 'disc-leading-zero', 'square'];
var bUnordered = $.inArray(oStyle['list-style-type'], aOrderedType) > -1;
oStyle['list-style'] = bUnordered ? 'unordered' : 'ordered';
}
var elPara = dom.ancestor(rng.sc, dom.isPara);
if (elPara && elPara.style['line-height']) {
oStyle['line-height'] = elPara.style.lineHeight;
} else {
var lineHeight = parseInt(oStyle['line-height']) / parseInt(oStyle['font-size']);
oStyle['line-height'] = lineHeight.toFixed(1);
}
oStyle.image = dom.isImg(elTarget) && elTarget;
oStyle.anchor = rng.isOnAnchor() && dom.ancestor(rng.sc, dom.isAnchor);
oStyle.aAncestor = dom.listAncestor(rng.sc, dom.isEditable);
return oStyle;
}
};
/**
* History
*/
var History = function() {
var aUndo = [], aRedo = [];
var makeSnap = function(welEditable) {
var elEditable = welEditable[0], rng = range.create();
return {
contents: welEditable.html(), bookmark: rng.bookmark(elEditable),
scrollTop: welEditable.scrollTop()
};
};
var applySnap = function(welEditable, oSnap) {
welEditable.html(oSnap.contents).scrollTop(oSnap.scrollTop);
range.createFromBookmark(welEditable[0], oSnap.bookmark).select();
};
this.undo = function(welEditable) {
var oSnap = makeSnap(welEditable);
if (aUndo.length === 0) { return; }
applySnap(welEditable, aUndo.pop()), aRedo.push(oSnap);
};
this.redo = function(welEditable) {
var oSnap = makeSnap(welEditable);
if (aRedo.length === 0) { return; }
applySnap(welEditable, aRedo.pop()), aUndo.push(oSnap);
};
this.recordUndo = function(welEditable) {
aRedo = [], aUndo.push(makeSnap(welEditable));
};
};
/**
* Editor
*/
var Editor = function() {
//currentStyle
var style = new Style();
this.currentStyle = function(elTarget) {
var rng = range.create();
return rng.isOnEditable() && style.current(rng, elTarget);
};
this.tab = function(welEditable) {
recordUndo(welEditable);
var rng = range.create();
var sNbsp = new Array(welEditable.data('tabsize') + 1).join(' ')
rng.insertNode($('' + sNbsp + '')[0]);
var welTab = $('#noteTab').removeAttr('id');
rng = range.create(welTab[0], 1);
rng.select();
dom.remove(welTab[0]);
};
// undo
this.undo = function(welEditable) {
welEditable.data('NoteHistory').undo(welEditable);
};
// redo
this.redo = function(welEditable) {
welEditable.data('NoteHistory').redo(welEditable);
};
// recordUndo
var recordUndo = this.recordUndo = function(welEditable) {
welEditable.data('NoteHistory').recordUndo(welEditable);
};
// native commands(with execCommand)
var aCmd = ['bold', 'italic', 'underline', 'strikethrough',
'justifyLeft', 'justifyCenter', 'justifyRight', 'justifyFull',
'insertOrderedList', 'insertUnorderedList',
'indent', 'outdent', 'formatBlock', 'removeFormat',
'backColor', 'foreColor', 'insertImage', 'insertHorizontalRule'];
for (var idx = 0, len=aCmd.length; idx < len; idx ++) {
this[aCmd[idx]] = function(sCmd) {
return function(welEditable, sValue) {
recordUndo(welEditable);
document.execCommand(sCmd, false, sValue);
};
}(aCmd[idx]);
}
this.formatBlock = function(welEditable, sValue) {
sValue = bMSIE ? '<' + sValue + '>' : sValue;
document.execCommand('FormatBlock', false, sValue);
};
this.fontSize = function(welEditable, sValue) {
recordUndo(welEditable);
document.execCommand('fontSize', false, 3);
// to
var welFont = welEditable.find('font[size=3]');
welFont.removeAttr('size').css('font-size', sValue + 'px');
};
this.lineHeight = function(welEditable, sValue) {
recordUndo(welEditable);
style.stylePara(range.create(), {lineHeight: sValue});
};
this.unlink = function(welEditable) {
var rng = range.create();
if (rng.isOnAnchor()) {
recordUndo(welEditable);
var elAnchor = dom.ancestor(rng.sc, dom.isAnchor);
rng = range.create(elAnchor, 0, elAnchor, 1);
rng.select();
document.execCommand('unlink');
}
};
this.setLinkDialog = function(welEditable, fnShowDialog) {
var rng = range.create();
if (rng.isOnAnchor()) {
var elAnchor = dom.ancestor(rng.sc, dom.isAnchor);
rng = range.create(elAnchor, 0, elAnchor, 1);
}
fnShowDialog({
range: rng,
text: rng.toString(),
url: rng.isOnAnchor() ? dom.ancestor(rng.sc, dom.isAnchor).href : ''
}, function(sLinkUrl) {
rng.select(); recordUndo(welEditable);
var bProtocol = sLinkUrl.toLowerCase().indexOf('://') !== -1;
var sLinkUrlWithProtocol = bProtocol ? sLinkUrl : 'http://' + sLinkUrl;
//IE: createLink when range collapsed.
if (bMSIE && rng.isCollapsed()) {
rng.insertNode($('' + sLinkUrl + '')[0]);
var welAnchor = $('#linkAnchor').removeAttr('id')
.attr('href', sLinkUrlWithProtocol);
rng = range.create(welAnchor[0], 0, welAnchor[0], 1);
rng.select();
} else {
document.execCommand('createlink', false, sLinkUrlWithProtocol);
}
});
};
this.color = function(welEditable, sObjColor) {
var oColor = JSON.parse(sObjColor);
recordUndo(welEditable);
document.execCommand('foreColor', false, oColor.foreColor);
document.execCommand('backColor', false, oColor.backColor);
};
this.insertTable = function(welEditable, sDim) {
recordUndo(welEditable);
var aDim = sDim.split('x');
var nCol = aDim[0], nRow = aDim[1];
var aTD = [], sTD;
var sWhitespace = bMSIE ? ' ' : '
';
for (var idxCol = 0; idxCol < nCol; idxCol++) {
aTD.push('' + sWhitespace + ' | ');
}
sTD = aTD.join('');
var aTR = [], sTR;
for (var idxRow = 0; idxRow < nRow; idxRow++) {
aTR.push('' + sTD + '
');
}
sTR = aTR.join('');
var sTable = '';
range.create().insertNode($(sTable)[0]);
};
this.float = function(welEditable, sValue, elTarget) {
recordUndo(welEditable);
elTarget.style.cssFloat = sValue;
};
this.resize = function(welEditable, sValue, elTarget) {
recordUndo(welEditable);
elTarget.style.width = welEditable.width() * sValue + 'px';
elTarget.style.height = '';
};
this.resizeTo = function(pos, welTarget) {
var newRatio = pos.y / pos.x;
var ratio = welTarget.data('ratio');
welTarget.css({
width: ratio > newRatio ? pos.x : pos.y / ratio,
height: ratio > newRatio ? pos.x * ratio : pos.y
});
};
};
/**
* Toolbar
*/
var Toolbar = function() {
this.update = function(welToolbar, oStyle) {
//handle selectbox for fontsize, lineHeight
var checkDropdownMenu = function(welBtn, nValue) {
welBtn.find('.dropdown-menu li a').each(function() {
var bChecked = $(this).attr('data-value') == nValue;
this.className = bChecked ? 'checked' : '';
});
};
var welFontsize = welToolbar.find('.note-fontsize');
welFontsize.find('.note-current-fontsize').html(oStyle['font-size']);
checkDropdownMenu(welFontsize, parseFloat(oStyle['font-size']));
var welLineHeight = welToolbar.find('.note-height');
checkDropdownMenu(welLineHeight, parseFloat(oStyle['line-height']));
//check button state
var btnState = function(sSelector, pred) {
var welBtn = welToolbar.find(sSelector);
welBtn[pred() ? 'addClass' : 'removeClass']('active');
};
btnState('button[data-event="bold"]', function() {
return oStyle['font-bold'] === 'bold';
});
btnState('button[data-event="italic"]', function() {
return oStyle['font-italic'] === 'italic';
});
btnState('button[data-event="underline"]', function() {
return oStyle['font-underline'] === 'underline';
});
btnState('button[data-event="justifyLeft"]', function() {
return oStyle['text-align'] === 'left' || oStyle['text-align'] === 'start';
});
btnState('button[data-event="justifyCenter"]', function() {
return oStyle['text-align'] === 'center';
});
btnState('button[data-event="justifyRight"]', function() {
return oStyle['text-align'] === 'right';
});
btnState('button[data-event="justifyFull"]', function() {
return oStyle['text-align'] === 'justify';
});
btnState('button[data-event="insertUnorderedList"]', function() {
return oStyle['list-style'] === 'unordered';
});
btnState('button[data-event="insertOrderedList"]', function() {
return oStyle['list-style'] === 'ordered';
});
};
this.updateRecentColor = function(elBtn, sEvent, sValue) {
var welColor = $(elBtn).closest('.note-color');
var welRecentColor = welColor.find('.note-recent-color');
var oColor = JSON.parse(welRecentColor.attr('data-value'));
oColor[sEvent] = sValue;
welRecentColor.attr('data-value', JSON.stringify(oColor));
var sKey = sEvent === 'backColor' ? 'background-color' : 'color';
welRecentColor.find('i').css(sKey, sValue);
};
this.updateFullscreen = function(welToolbar, bFullscreen) {
var welBtn = welToolbar.find('button[data-event="fullscreen"]');
welBtn[bFullscreen ? 'addClass' : 'removeClass']('active');
};
};
/**
* Popover
*/
var Popover = function() {
var showPopover = function(welPopover, elPlaceholder) {
var welPlaceHolder = $(elPlaceholder);
var pos = welPlaceHolder.position(), height = welPlaceHolder.height();
welPopover.css({
display: 'block',
left: pos.left,
top: pos.top + height
});
};
this.update = function(welPopover, oStyle) {
var welLinkPopover = welPopover.find('.note-link-popover'),
welImagePopover = welPopover.find('.note-image-popover');
if (oStyle.anchor) {
var welAnchor = welLinkPopover.find('a');
welAnchor.attr('href', oStyle.anchor.href).html(oStyle.anchor.href);
showPopover(welLinkPopover, oStyle.anchor);
} else {
welLinkPopover.hide();
}
if (oStyle.image) {
showPopover(welImagePopover, oStyle.image);
} else {
welImagePopover.hide();
}
};
this.hide = function(welPopover) {
welPopover.children().hide();
};
};
/**
* Handle
*/
var Handle = function() {
this.update = function(welHandle, oStyle) {
var welSelection = welHandle.find('.note-control-selection');
if (oStyle.image) {
var welImage = $(oStyle.image);
var pos = welImage.position();
var szImage = {w: welImage.width(), h: welImage.height()};
welSelection.css({
display: 'block',
left: pos.left, top: pos.top,
width: szImage.w, height: szImage.h
}).data('target', oStyle.image); // save current image element.
var sSizing = szImage.w + 'x' + szImage.h;
welSelection.find('.note-control-selection-info').text(sSizing);
} else {
welSelection.hide();
}
};
this.hide = function(welHandle) {
welHandle.children().hide();
};
};
/**
* Dialog
*/
var Dialog = function() {
this.showImageDialog = function(welDialog, hDropImage, fnInsertImages) {
var welImageDialog = welDialog.find('.note-image-dialog');
var welDropzone = welDialog.find('.note-dropzone'),
welImageInput = welDialog.find('.note-image-input');
welImageDialog.on('shown.bs.modal', function(e) {
welDropzone.on('dragenter dragover dragleave', false);
welDropzone.on('drop', function(e) {
hDropImage(e); welImageDialog.modal('hide');
});
welImageInput.on('change', function() {
fnInsertImages(this.files); $(this).val('');
welImageDialog.modal('hide');
});
}).on('hidden.bs.modal', function(e) {
welDropzone.off('dragenter dragover dragleave drop');
welImageInput.off('change');
welImageDialog.off('shown.bs.modal hidden.bs.modal');
}).modal('show');
};
this.showLinkDialog = function(welDialog, linkInfo, callback) {
var welLinkDialog = welDialog.find('.note-link-dialog');
var welLinkText = welLinkDialog.find('.note-link-text'),
welLinkUrl = welLinkDialog.find('.note-link-url'),
welLinkBtn = welLinkDialog.find('.note-link-btn');
welLinkDialog.on('shown.bs.modal', function(e) {
welLinkText.html(linkInfo.text);
welLinkUrl.val(linkInfo.url).keyup(function(event) {
if (welLinkUrl.val()) {
welLinkBtn.removeClass('disabled').attr('disabled', false);
} else {
welLinkBtn.addClass('disabled').attr('disabled', true);
}
if (!linkInfo.text) { welLinkText.html(welLinkUrl.val()); };
}).trigger('focus');
welLinkBtn.click(function(event) {
welLinkDialog.modal('hide'); //hide and createLink (ie9+)
callback(welLinkUrl.val());
event.preventDefault();
});
}).on('hidden.bs.modal', function(e) {
welLinkUrl.off('keyup');
welLinkBtn.off('click');
welLinkDialog.off('shown.bs.modal hidden.bs.modal');
}).modal('show');
};
this.showHelpDialog = function(welDialog) {
welDialog.find('.note-help-dialog').modal('show');
};
};
/**
* EventHandler
*
* handle mouse & key event on note
*/
var EventHandler = function() {
var editor = new Editor();
var toolbar = new Toolbar(), popover = new Popover();
var handle = new Handle(), dialog = new Dialog();
var key = { BACKSPACE: 8, TAB: 9, ENTER: 13, SPACE: 32,
NUM0: 48, NUM1: 49, NUM6: 54, NUM7: 55, NUM8: 56,
B: 66, E: 69, I: 73, J: 74, K: 75, L: 76, R: 82, S: 83, U: 85,
Y: 89, Z: 90, SLASH: 191,
LEFTBRACKET: 219, BACKSLACH: 220, RIGHTBRACKET: 221 };
// makeLayoutInfo from editor's descendant node.
var makeLayoutInfo = function(descendant) {
var welEditor = $(descendant).closest('.note-editor');
return {
editor: function() { return welEditor; },
toolbar: function() { return welEditor.find('.note-toolbar'); },
editable: function() { return welEditor.find('.note-editable'); },
statusbar: function() { return welEditor.find('.note-statusbar'); },
popover: function() { return welEditor.find('.note-popover'); },
handle: function() { return welEditor.find('.note-handle'); },
dialog: function() { return welEditor.find('.note-dialog'); }
};
};
var hKeydown = function(event) {
var bCmd = bMac ? event.metaKey : event.ctrlKey,
bShift = event.shiftKey, keyCode = event.keyCode;
// optimize
var bExecCmd = (bCmd || bShift || keyCode === key.TAB);
var oLayoutInfo = (bExecCmd) ? makeLayoutInfo(event.target) : null;
if (keyCode === key.TAB && oLayoutInfo.editable().data('tabsize')) {
editor.tab(oLayoutInfo.editable());
} else if (bCmd && ((bShift && keyCode === key.Z) || keyCode === key.Y)) {
editor.redo(oLayoutInfo.editable());
} else if (bCmd && keyCode === key.Z) {
editor.undo(oLayoutInfo.editable());
} else if (bCmd && keyCode === key.B) {
editor.bold(oLayoutInfo.editable());
} else if (bCmd && keyCode === key.I) {
editor.italic(oLayoutInfo.editable());
} else if (bCmd && keyCode === key.U) {
editor.underline(oLayoutInfo.editable());
} else if (bCmd && bShift && keyCode === key.S) {
editor.strikethrough(oLayoutInfo.editable());
} else if (bCmd && keyCode === key.BACKSLACH) {
editor.removeFormat(oLayoutInfo.editable());
} else if (bCmd && keyCode === key.K) {
editor.setLinkDialog(oLayoutInfo.editable(), function(linkInfo, cb) {
dialog.showLinkDialog(oLayoutInfo.dialog(), linkInfo, cb);
});
} else if (bCmd && keyCode === key.SLASH) {
dialog.showHelpDialog(oLayoutInfo.dialog());
} else if (bCmd && bShift && keyCode === key.L) {
editor.justifyLeft(oLayoutInfo.editable());
} else if (bCmd && bShift && keyCode === key.E) {
editor.justifyCenter(oLayoutInfo.editable());
} else if (bCmd && bShift && keyCode === key.R) {
editor.justifyRight(oLayoutInfo.editable());
} else if (bCmd && bShift && keyCode === key.J) {
editor.justifyFull(oLayoutInfo.editable());
} else if (bCmd && bShift && keyCode === key.NUM7) {
editor.insertUnorderedList(oLayoutInfo.editable());
} else if (bCmd && bShift && keyCode === key.NUM8) {
editor.insertOrderedList(oLayoutInfo.editable());
} else if (bCmd && keyCode === key.LEFTBRACKET) {
editor.outdent(oLayoutInfo.editable());
} else if (bCmd && keyCode === key.RIGHTBRACKET) {
editor.indent(oLayoutInfo.editable());
} else if (bCmd && keyCode === key.NUM0) { // formatBlock Paragraph
editor.formatBlock(oLayoutInfo.editable(), 'P');
} else if (bCmd && (key.NUM1 <= keyCode && keyCode <= key.NUM6)) {
var sHeading = 'H' + String.fromCharCode(keyCode); // H1~H6
editor.formatBlock(oLayoutInfo.editable(), sHeading);
} else if (bCmd && keyCode === key.ENTER) {
editor.insertHorizontalRule(oLayoutInfo.editable());
} else {
if (keyCode === key.BACKSPACE || keyCode === key.ENTER ||
keyCode === key.SPACE) {
editor.recordUndo(makeLayoutInfo(event.target).editable());
}
return; // not matched
}
event.preventDefault(); //prevent default event for FF
};
var insertImages = function(welEditable, files) {
welEditable.trigger('focus');
$.each(files, function(idx, file) {
var fileReader = new FileReader;
fileReader.onload = function(event) {
editor.insertImage(welEditable, event.target.result); // sURL
};
fileReader.readAsDataURL(file);
});
};
var hDropImage = function(event) {
var dataTransfer = event.originalEvent.dataTransfer;
if (dataTransfer && dataTransfer.files) {
var oLayoutInfo = makeLayoutInfo(event.currentTarget || event.target);
insertImages(oLayoutInfo.editable(), dataTransfer.files);
}
event.stopPropagation();
event.preventDefault();
};
var hMousedown = function(event) {
//preventDefault Selection for FF, IE8+
if (dom.isImg(event.target)) { event.preventDefault(); };
};
var hToolbarAndPopoverUpdate = function(event) {
var oLayoutInfo = makeLayoutInfo(event.currentTarget || event.target);
var oStyle = editor.currentStyle(event.target);
if (!oStyle) { return; }
toolbar.update(oLayoutInfo.toolbar(), oStyle);
popover.update(oLayoutInfo.popover(), oStyle);
handle.update(oLayoutInfo.handle(), oStyle);
};
var hScroll = function(event) {
var oLayoutInfo = makeLayoutInfo(event.currentTarget || event.target);
//hide popover and handle when scrolled
popover.hide(oLayoutInfo.popover());
handle.hide(oLayoutInfo.handle());
};
var hHandleMousedown = function(event) {
if (dom.isControlSizing(event.target)) {
var oLayoutInfo = makeLayoutInfo(event.target),
welHandle = oLayoutInfo.handle(), welPopover = oLayoutInfo.popover(),
welEditable = oLayoutInfo.editable(), welEditor = oLayoutInfo.editor();
var elTarget = welHandle.find('.note-control-selection').data('target'),
welTarget = $(elTarget);
var posStart = welTarget.offset(),
scrollTop = $(document).scrollTop(), posDistance;
welEditor.on('mousemove', function(event) {
posDistance = {x: event.clientX - posStart.left,
y: event.clientY - (posStart.top - scrollTop)};
editor.resizeTo(posDistance, welTarget);
handle.update(welHandle, {image: elTarget});
popover.update(welPopover, {image: elTarget});
}).on('mouseup', function() {
welEditor.off('mousemove').off('mouseup');
});
if (!welTarget.data('ratio')) { // original ratio.
welTarget.data('ratio', welTarget.height() / welTarget.width());
}
editor.recordUndo(welEditable);
event.stopPropagation(); event.preventDefault();
}
};
var hToolbarAndPopoverMousedown = function(event) {
// prevent default event when insertTable (FF, Webkit)
var welBtn = $(event.target).closest('[data-event]');
if (welBtn.length > 0) { event.preventDefault(); }
};
var hToolbarAndPopoverClick = function(event) {
var welBtn = $(event.target).closest('[data-event]');
if (welBtn.length > 0) {
var sEvent = welBtn.attr('data-event'),
sValue = welBtn.attr('data-value');
var oLayoutInfo = makeLayoutInfo(event.target);
var welDialog = oLayoutInfo.dialog(),
welEditable = oLayoutInfo.editable();
// before command
var elTarget;
if ($.inArray(sEvent, ['resize', 'float']) !== -1) {
var welHandle = oLayoutInfo.handle();
var welSelection = welHandle.find('.note-control-selection');
elTarget = welSelection.data('target');
}
if (editor[sEvent]) { // on command
welEditable.trigger('focus');
editor[sEvent](welEditable, sValue, elTarget);
}
// after command
if ($.inArray(sEvent, ['backColor', 'foreColor']) !== -1) {
toolbar.updateRecentColor(welBtn[0], sEvent, sValue);
} else if (sEvent === 'showLinkDialog') { // popover to dialog
editor.setLinkDialog(welEditable, function(linkInfo, cb) {
dialog.showLinkDialog(welDialog, linkInfo, cb);
});
} else if (sEvent === 'showImageDialog') {
dialog.showImageDialog(welDialog, hDropImage, function(files) {
insertImages(welEditable, files);
});
} else if (sEvent === 'showHelpDialog') {
dialog.showHelpDialog(welDialog);
} else if (sEvent === 'fullscreen') {
var welEditor = oLayoutInfo.editor();
welEditor.toggleClass('fullscreen');
var welToolbar = oLayoutInfo.toolbar();
var hResizeFullscreen = function() {
var nHeight = $(window).height() - welToolbar.outerHeight();
welEditable.css('height', nHeight);
}
var bFullscreen = welEditor.hasClass('fullscreen');
if (bFullscreen) {
welEditable.data('orgHeight', welEditable.css('height'));
$(window).resize(hResizeFullscreen).trigger('resize');
} else {
welEditable.css('height', welEditable.data('orgHeight'));
$(window).off('resize');
}
toolbar.updateFullscreen(welToolbar, bFullscreen);
}
hToolbarAndPopoverUpdate(event);
}
};
var EDITABLE_PADDING = 24;
var hStatusbarMousedown = function(event) {
var welDocument = $(document);
var welEditable = makeLayoutInfo(event.target).editable();
var nEditableTop = welEditable.offset().top - welDocument.scrollTop();
var hMousemove = function(event) {
welEditable.height(event.clientY - (nEditableTop + EDITABLE_PADDING));
};
var hMouseup = function() {
welDocument.unbind('mousemove', hMousemove)
.unbind('mouseup', hMouseup);
}
welDocument.mousemove(hMousemove).mouseup(hMouseup);
event.stopPropagation(); event.preventDefault();
};
var PX_PER_EM = 18;
var hDimensionPickerMove = function(event) {
var welPicker = $(event.target.parentNode); // target is mousecatcher
var welDimensionDisplay = welPicker.next();
var welCatcher = welPicker.find('.note-dimension-picker-mousecatcher');
var welHighlighted = welPicker.find('.note-dimension-picker-highlighted');
var welUnhighlighted = welPicker.find('.note-dimension-picker-unhighlighted');
var posOffset;
if (event.offsetX === undefined) {
// HTML5 with jQuery - e.offsetX is undefined in Firefox
var posCatcher = $(event.target).offset();
posOffset = {x: event.pageX - posCatcher.left,
y: event.pageY - posCatcher.top};
} else {
posOffset = {x: event.offsetX, y: event.offsetY};
}
var dim = {c: Math.ceil(posOffset.x / PX_PER_EM) || 1,
r: Math.ceil(posOffset.y / PX_PER_EM) || 1};
welHighlighted.css({ width: dim.c +'em', height: dim.r + 'em' });
welCatcher.attr('data-value', dim.c + 'x' + dim.r);
if (3 < dim.c && dim.c < 10) { // 5~10
welUnhighlighted.css({ width: dim.c + 1 + 'em'});
}
if (3 < dim.r && dim.r < 10) { // 5~10
welUnhighlighted.css({ height: dim.r + 1 + 'em'});
}
welDimensionDisplay.html(dim.c + ' x ' + dim.r);
};
this.attach = function(oLayoutInfo, options) {
oLayoutInfo.editable.on('keydown', hKeydown);
oLayoutInfo.editable.on('mousedown', hMousedown);
oLayoutInfo.editable.on('keyup mouseup', hToolbarAndPopoverUpdate);
oLayoutInfo.editable.on('scroll', hScroll);
//TODO: handle Drag point
oLayoutInfo.editable.on('dragenter dragover dragleave', false);
oLayoutInfo.editable.on('drop', hDropImage);
oLayoutInfo.handle.on('mousedown', hHandleMousedown);
oLayoutInfo.toolbar.on('click', hToolbarAndPopoverClick);
oLayoutInfo.popover.on('click', hToolbarAndPopoverClick);
oLayoutInfo.toolbar.on('mousedown', hToolbarAndPopoverMousedown);
oLayoutInfo.popover.on('mousedown', hToolbarAndPopoverMousedown);
oLayoutInfo.statusbar.on('mousedown', hStatusbarMousedown);
//toolbar table dimension
var welToolbar = oLayoutInfo.toolbar;
var welCatcher = welToolbar.find('.note-dimension-picker-mousecatcher');
welCatcher.on('mousemove', hDimensionPickerMove);
// callback
// init, enter, !change, !pasteBefore, !pasteAfter, focus, blur, keyup, keydown
if (options.onenter) {
oLayoutInfo.editable.keypress(function(event) {
if (event.keyCode === key.ENTER) { options.onenter(event);}
});
}
if (options.onfocus) { oLayoutInfo.editable.focus(options.onfocus); }
if (options.onblur) { oLayoutInfo.editable.blur(options.onblur); }
if (options.onkeyup) { oLayoutInfo.editable.keyup(options.onkeyup); }
if (options.onkeydown) { oLayoutInfo.editable.keydown(options.onkeydown); }
// TODO: callback for advanced features
// autosave, impageUpload, imageUploadError, fileUpload, fileUploadError
};
this.dettach = function(oLayoutInfo) {
oLayoutInfo.editable.off();
oLayoutInfo.toolbar.off();
oLayoutInfo.handle.off();
oLayoutInfo.popover.off();
};
};
/**
* Renderer
*
* rendering toolbar and editable
*/
var Renderer = function() {
var aToolbarItem = {
picture:
'',
link:
'',
table:
'' +
'',
style:
'' +
'',
fontsize:
'' +
'',
color:
'' +
'' +
'',
bold:
'',
italic:
'',
underline:
'',
clear:
'',
ul:
'',
ol:
'',
paragraph:
'' +
'