markitup/1.x — pull request #11 by AndisthermalFindLasthree (2012-07-14 06:35:27+00:00)
Title: Update master

// ----------------------------------------------------------------------------
// markItUp! Universal MarkUp Engine, JQuery plugin
// v 1.1.x
// Dual licensed under the MIT and GPL licenses.
// ----------------------------------------------------------------------------
// Copyright (C) 2007-2011 Jay Salvat
// http://markitup.jaysalvat.com/
// ----------------------------------------------------------------------------
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
// ----------------------------------------------------------------------------
(function($) {
$.fn.markItUp = function(settings, extraSettings) {
var options, ctrlKey, shiftKey, altKey;
ctrlKey = shiftKey = altKey = false;

options = {	id:	'',
nameSpace:	'',
root:	'',
previewHandler:	false,
previewInWindow:	'', // 'width=800, height=600, resizable=yes, scrollbars=yes'
previewAutoRefresh:	true,
previewPosition:	'after',
previewTemplatePath:	'~/templates/preview.html',
previewParser:	false,
previewParserPath:	'',
previewParserVar:	'data',
resizeHandle:	true,
beforeInsert:	'',
afterInsert:	'',
onEnter:	{},
onShiftEnter:	{},
onCtrlEnter:	{},
onTab:	{},
markupSet:	[	{ /* set */ } ]
};
$.extend(options, settings, extraSettings);

// compute markItUp! path
if (!options.root) {
$('script').each(function(a, tag) {
miuScript = $(tag).get(0).src.match(/(.*)jquery\.markitup(\.pack)?\.js$/);
if (miuScript !== null) {
options.root = miuScript[1];
}
});
}

return this.each(function() {
var $$, textarea, levels, scrollPosition, caretPosition, caretOffset,
clicked, hash, header, footer, previewWindow, template, iFrame, abort;
$$ = $(this);
textarea = this;
levels = [];
abort = false;
scrollPosition = caretPosition = 0;
caretOffset = -1;

options.previewParserPath = localize(options.previewParserPath);
options.previewTemplatePath = localize(options.previewTemplatePath);

// apply the computed path to ~/
function localize(data, inText) {
if (inText) {
return	data.replace(/("|')~\//g, "$1"+options.root);
}
return	data.replace(/^~\//, options.root);
}

// init and build editor
function init() {
id = ''; nameSpace = '';
if (options.id) {
id = 'id="'+options.id+'"';
} else if ($$.attr("id")) {
id = 'id="markItUp'+($$.attr("id").substr(0, 1).toUpperCase())+($$.attr("id").substr(1))+'"';

}
if (options.nameSpace) {
nameSpace = 'class="'+options.nameSpace+'"';
}
$$.wrap('

');
$$.wrap('

');
$$.wrap('

');
$$.addClass("markItUpEditor");

// add the header before the textarea
header = $('

').insertBefore($$);
$(dropMenus(options.markupSet)).appendTo(header);

// add the footer after the textarea
footer = $('

').insertAfter($$);

// add the resize handle after textarea
if (options.resizeHandle === true && $.browser.safari !== true) {
resizeHandle = $('

')
.insertAfter($$)
.bind("mousedown.markItUp", function(e) {
var h = $$.height(), y = e.clientY, mouseMove, mouseUp;
mouseMove = function(e) {
$$.css("height", Math.max(20, e.clientY+h-y)+"px");
return false;
};
mouseUp = function(e) {
$("html").unbind("mousemove.markItUp", mouseMove).unbind("mouseup.markItUp", mouseUp);
return false;
};
$("html").bind("mousemove.markItUp", mouseMove).bind("mouseup.markItUp", mouseUp);
});
footer.append(resizeHandle);
}

// listen key events
$$.bind('keydown.markItUp', keyPressed).bind('keyup', keyPressed);

// bind an event to catch external calls
$$.bind("insertion.markItUp", function(e, settings) {
if (settings.target !== false) {
get();
}
if (textarea === $.markItUp.focused) {
markup(settings);
}
});

// remember the last focus
$$.bind('focus.markItUp', function() {
$.markItUp.focused = this;
});
}

// recursively build header with dropMenus from markupset
function dropMenus(markupSet) {
var ul = $('

'), i = 0;
$('li:hover > ul', ul).css('display', 'block');
$.each(markupSet, function() {
var button = this, t = '', title, li, j;
title = (button.key) ? (button.name||'')+' [Ctrl+'+button.key+']' : (button.name||'');
key = (button.key) ? 'accesskey="'+button.key+'"' : '';
if (button.separator) {
li = $('
'+(button.separator||'')+'
').appendTo(ul);
} else {
i++;
for (j = levels.length -1; j >= 0; j--) {
t += levels[j]+"-";
}
li = $('
'+(button.name||'')+'
')
.bind("contextmenu.markItUp", function() { // prevent contextmenu on mac and allow ctrl+click
return false;
}).bind('click.markItUp', function() {
return false;
}).bind("focusin.markItUp", function(){
$$.focus();
}).bind('mouseup', function() {
if (button.call) {
eval(button.call)();
}
setTimeout(function() { markup(button) },1);
return false;
}).bind('mouseenter.markItUp', function() {
$('> ul', this).show();
$(document).one('click', function() { // close dropmenu if click outside
$('ul ul', header).hide();
}
);
}).bind('mouseleave.markItUp', function() {
$('> ul', this).hide();
}).appendTo(ul);
if (button.dropMenu) {
levels.push(i);
$(li).addClass('markItUpDropMenu').append(dropMenus(button.dropMenu));
}
}
});
levels.pop();
return ul;
}

// markItUp! markups
function magicMarkups(string) {
if (string) {
string = string.toString();
string = string.replace(/\(\!\(([\s\S]*?)\)\!\)/g,
function(x, a) {
var b = a.split('|!|');
if (altKey === true) {
return (b[1] !== undefined) ? b[1] : b[0];
} else {
return (b[1] === undefined) ? "" : b[0];
}
}
);
// [![prompt]!], [![prompt:!:value]!]
string = string.replace(/\[\!\[([\s\S]*?)\]\!\]/g,
function(x, a) {
var b = a.split(':!:');
if (abort === true) {
return false;
}
value = prompt(b[0], (b[1]) ? b[1] : '');
if (value === null) {
abort = true;
}
return value;
}
);
return string;
}
return "";
}

// prepare action
function prepare(action) {
if ($.isFunction(action)) {
action = action(hash);
}
return magicMarkups(action);
}

// build block to insert
function build(string) {
var openWith	= prepare(clicked.openWith);
var placeHolder	= prepare(clicked.placeHolder);
var replaceWith	= prepare(clicked.replaceWith);
var closeWith	= prepare(clicked.closeWith);
var openBlockWith	= prepare(clicked.openBlockWith);
var closeBlockWith	= prepare(clicked.closeBlockWith);
var multiline	= clicked.multiline;

if (replaceWith !== "") {
block = openWith + replaceWith + closeWith;
} else if (selection === '' && placeHolder !== '') {
block = openWith + placeHolder + closeWith;
} else {
string = string || selection;

var lines = [string], blocks = [];

if (multiline === true) {
lines = string.split(/\r?\n/);
}

for (var l = 0; l < lines.length; l++) {
line = lines[l];
var trailingSpaces;
if (trailingSpaces = line.match(/ *$/)) {
blocks.push(openWith + line.replace(/ *$/g, '') + closeWith + trailingSpaces);
} else {
blocks.push(openWith + line + closeWith);
}
}

block = blocks.join("\n");
}

block = openBlockWith + block + closeBlockWith;

return {	block:block,
openWith:openWith,
replaceWith:replaceWith,
placeHolder:placeHolder,
closeWith:closeWith
};
}

// define markup to insert
function markup(button) {
var len, j, n, i;
hash = clicked = button;
get();
$.extend(hash, {	line:"",
root:options.root,
textarea:textarea,
selection:(selection||''),
caretPosition:caretPosition,
ctrlKey:ctrlKey,
shiftKey:shiftKey,
altKey:altKey
}
);
// callbacks before insertion
prepare(options.beforeInsert);
prepare(clicked.beforeInsert);
if ((ctrlKey === true && shiftKey === true) || button.multiline === true) {
prepare(clicked.beforeMultiInsert);
}
$.extend(hash, { line:1 });

if ((ctrlKey === true && shiftKey === true)) {
lines = selection.split(/\r?\n/);
for (j = 0, n = lines.length, i = 0; i < n; i++) {
if ($.trim(lines[i]) !== '') {
$.extend(hash, { line:++j, selection:lines[i] } );
lines[i] = build(lines[i]).block;
} else {
lines[i] = "";
}
}

string = { block:lines.join('\n')};
start = caretPosition;
len = string.block.length + (($.browser.opera) ? n-1 : 0);
} else if (ctrlKey === true) {
string = build(selection);
start = caretPosition + string.openWith.length;
len = string.block.length - string.openWith.length - string.closeWith.length;
len = len - (string.block.match(/ $/) ? 1 : 0);
len -= fixIeBug(string.block);
} else if (shiftKey === true) {
string = build(selection);
start = caretPosition;
len = string.block.length;
len -= fixIeBug(string.block);
} else {
string = build(selection);
start = caretPosition + string.block.length ;
len = 0;
start -= fixIeBug(string.block);
}
if ((selection === '' && string.replaceWith === '')) {
caretOffset += fixOperaBug(string.block);

start = caretPosition + string.openWith.length;
len = string.block.length - string.openWith.length - string.closeWith.length;

caretOffset = $$.val().substring(caretPosition, $$.val().length).length;
caretOffset -= fixOperaBug($$.val().substring(0, caretPosition));
}
$.extend(hash, { caretPosition:caretPosition, scrollPosition:scrollPosition } );

if (string.block !== selection && abort === false) {
insert(string.block);
set(start, len);
} else {
caretOffset = -1;
}
get();

$.extend(hash, { line:'', selection:selection });

// callbacks after insertion
if ((ctrlKey === true && shiftKey === true) || button.multiline === true) {
prepare(clicked.afterMultiInsert);
}
prepare(clicked.afterInsert);
prepare(options.afterInsert);

// refresh preview if opened
if (previewWindow && options.previewAutoRefresh) {
refreshPreview();
}

// reinit keyevent
shiftKey = altKey = ctrlKey = abort = false;
}

// Substract linefeed in Opera
function fixOperaBug(string) {
if ($.browser.opera) {
return string.length - string.replace(/\n*/g, '').length;
}
return 0;
}
// Substract linefeed in IE
function fixIeBug(string) {
if ($.browser.msie) {
return string.length - string.replace(/\r*/g, '').length;
}
return 0;
}

// add markup
function insert(block) {
if (document.selection) {
var newSelection = document.selection.createRange();
newSelection.text = block;
} else {
textarea.value = textarea.value.substring(0, caretPosition) + block + textarea.value.substring(caretPosition + selection.length, textarea.value.length);
}
}

// set a selection
function set(start, len) {
if (textarea.createTextRange){
// quick fix to make it work on Opera 9.5
if ($.browser.opera && $.browser.version >= 9.5 && len == 0) {
return false;
}
range = textarea.createTextRange();
range.collapse(true);
range.moveStart('character', start);
range.moveEnd('character', len);
range.select();
} else if (textarea.setSelectionRange ){
textarea.setSelectionRange(start, start + len);
}
textarea.scrollTop = scrollPosition;
textarea.focus();
}

// get the selection
function get() {
textarea.focus();

scrollPosition = textarea.scrollTop;
if (document.selection) {
selection = document.selection.createRange().text;
if ($.browser.msie) { // ie
var range = document.selection.createRange(), rangeCopy = range.duplicate();
rangeCopy.moveToElementText(textarea);
caretPosition = -1;
while(rangeCopy.inRange(range)) {
rangeCopy.moveStart('character');
caretPosition ++;
}
} else { // opera
caretPosition = textarea.selectionStart;
}
} else { // gecko & webkit
caretPosition = textarea.selectionStart;

selection = textarea.value.substring(caretPosition, textarea.selectionEnd);
}
return selection;
}

// open preview window
function preview() {
if (typeof options.previewHandler === 'function') {
previewWindow = true;
} else if (!previewWindow || previewWindow.closed) {
if (options.previewInWindow) {
previewWindow = window.open('', 'preview', options.previewInWindow);
$(window).unload(function() {
previewWindow.close();
});
} else {
iFrame = $('');
if (options.previewPosition == 'after') {
iFrame.insertAfter(footer);
} else {
iFrame.insertBefore(header);
}
previewWindow = iFrame[iFrame.length - 1].contentWindow || frame[iFrame.length - 1];
}
} else if (altKey === true) {
if (iFrame) {
iFrame.remove();
} else {
previewWindow.close();
}
previewWindow = iFrame = false;
}
if (!options.previewAutoRefresh) {
refreshPreview();
}
if (options.previewInWindow) {
previewWindow.focus();
}
}

// refresh Preview window
function refreshPreview() {
renderPreview();
}

function renderPreview() {
var phtml;
if (options.previewHandler && typeof options.previewHandler === 'function') {
options.previewHandler( $$.val() );
} else if (options.previewParser && typeof options.previewParser === 'function') {
var data = options.previewParser( $$.val() );
writeInPreview( localize(data, 1) );
} else if (options.previewParserPath !== '') {
$.ajax({
type: 'POST',
dataType: 'text',
global: false,
url: options.previewParserPath,
data: options.previewParserVar+'='+encodeURIComponent($$.val()),
success: function(data) {
writeInPreview( localize(data, 1) );
}
});
} else {
if (!template) {
$.ajax({
url: options.previewTemplatePath,
dataType: 'text',
global: false,
success: function(data) {
writeInPreview( localize(data, 1).replace(//g, $$.val()) );
}
});
}
}
return false;
}

function writeInPreview(data) {
if (previewWindow.document) {
try {
sp = previewWindow.document.documentElement.scrollTop
} catch(e) {
sp = 0;
}
previewWindow.document.open();
previewWindow.document.write(data);
previewWindow.document.close();
previewWindow.document.documentElement.scrollTop = sp;
}
}

// set keys pressed
function keyPressed(e) {
shiftKey = e.shiftKey;
altKey = e.altKey;
ctrlKey = (!(e.altKey && e.ctrlKey)) ? (e.ctrlKey || e.metaKey) : false;

if (e.type === 'keydown') {
if (ctrlKey === true) {
li = $('a[accesskey="'+String.fromCharCode(e.keyCode)+'"]', header).parent('li');
if (li.length !== 0) {
ctrlKey = false;
setTimeout(function() {
li.triggerHandler('mouseup');
},1);
return false;
}
}
if (e.keyCode === 13 || e.keyCode === 10) { // Enter key
if (ctrlKey === true) { // Enter + Ctrl
ctrlKey = false;
markup(options.onCtrlEnter);
return options.onCtrlEnter.keepDefault;
} else if (shiftKey === true) { // Enter + Shift
shiftKey = false;
markup(options.onShiftEnter);
return options.onShiftEnter.keepDefault;
} else { // only Enter
markup(options.onEnter);
return options.onEnter.keepDefault;
}
}
if (e.keyCode === 9) { // Tab key
if (shiftKey == true || ctrlKey == true || altKey == true) {
return false;
}
if (caretOffset !== -1) {
get();
caretOffset = $$.val().length - caretOffset;
set(caretOffset, 0);
caretOffset = -1;
return false;
} else {
markup(options.onTab);
return options.onTab.keepDefault;
}
}
}
}

init();
});
};

$.fn.markItUpRemove = function() {
return this.each(function() {
var $$ = $(this).unbind(".markItUp").removeClass('markItUpEditor');
$$.parent('div').parent('div.markItUp').parent('div').replaceWith($$);
}
);
};

$.markItUp = function(settings) {
var options = { target:false };
$.extend(options, settings);
if (options.target) {
return $(options.target).each(function() {
$(this).focus();
$(this).trigger('insertion', [options]);
});
} else {
$('textarea').trigger('insertion', [options]);
}
};
})(jQuery);