/*
* Behave.js
*
* Copyright 2013, Jacob Kelley - http://jakiestfu.com/
* Released under the MIT Licence
* http://opensource.org/licenses/MIT
*
* Github: http://github.com/jakiestfu/Behave.js/
* Version: 1.5
*/
(function(undefined){
'use strict';
var BehaveHooks = BehaveHooks || (function(){
var hooks = {};
return {
add: function(hookName, fn){
if(typeof hookName == "object"){
var i;
for(i=0; i>> 0;
if (typeof func != "function"){
throw new TypeError();
}
var res = [],
thisp = arguments[1];
for (var i = 0; i < len; i++) {
if (i in t) {
var val = t[i];
if (func.call(thisp, val, i, t)) {
res.push(val);
}
}
}
return res;
};
}
var defaults = {
textarea: null,
replaceTab: true,
softTabs: true,
tabSize: 4,
autoOpen: true,
overwrite: true,
autoStrip: true,
autoIndent: true,
fence: false
},
tab,
newLine,
charSettings = {
keyMap: [
{ open: "\"", close: "\"", canBreak: false },
{ open: "'", close: "'", canBreak: false },
{ open: "(", close: ")", canBreak: false },
{ open: "[", close: "]", canBreak: true },
{ open: "{", close: "}", canBreak: true }
]
},
utils = {
_callHook: function(hookName, passData){
var hooks = BehaveHooks.get(hookName);
passData = typeof passData=="boolean" && passData === false ? false : true;
if(hooks){
if(passData){
var theEditor = defaults.textarea,
textVal = theEditor.value,
caretPos = utils.cursor.get(),
i;
for(i=0; i -1) {
start = end = len;
} else {
start = -textInputRange.moveStart("character", -len);
start += normalizedValue.slice(0, start).split(newLine).length - 1;
if (textInputRange.compareEndPoints("EndToEnd", endRange) > -1) {
end = len;
} else {
end = -textInputRange.moveEnd("character", -len);
end += normalizedValue.slice(0, end).split(newLine).length - 1;
}
}
}
}
return start==end ? false : {
start: start,
end: end
};
}
},
editor: {
getLines: function(textVal){
return (textVal).split("\n").length;
},
get: function(){
return defaults.textarea.value.replace(/\r/g,'');
},
set: function(data){
defaults.textarea.value = data;
}
},
fenceRange: function(){
if(typeof defaults.fence == "string"){
var data = utils.editor.get(),
pos = utils.cursor.get(),
hacked = 0,
matchedFence = data.indexOf(defaults.fence),
matchCase = 0;
while(matchedFence>=0){
matchCase++;
if( pos < (matchedFence+hacked) ){
break;
}
hacked += matchedFence+defaults.fence.length;
data = data.substring(matchedFence+defaults.fence.length);
matchedFence = data.indexOf(defaults.fence);
}
if( (hacked) < pos && ( (matchedFence+hacked) > pos ) && matchCase%2===0){
return true;
}
return false;
} else {
return true;
}
},
isEven: function(_this,i){
return i%2;
},
levelsDeep: function(){
var pos = utils.cursor.get(),
val = utils.editor.get();
var left = val.substring(0, pos),
levels = 0,
i, j;
for(i=0; i=0 ? finalLevels : 0;
},
deepExtend: function(destination, source) {
for (var property in source) {
if (source[property] && source[property].constructor &&
source[property].constructor === Object) {
destination[property] = destination[property] || {};
utils.deepExtend(destination[property], source[property]);
} else {
destination[property] = source[property];
}
}
return destination;
},
addEvent: function addEvent(element, eventName, func) {
if (element.addEventListener){
element.addEventListener(eventName,func,false);
} else if (element.attachEvent) {
element.attachEvent("on"+eventName, func);
}
},
removeEvent: function addEvent(element, eventName, func){
if (element.addEventListener){
element.removeEventListener(eventName,func,false);
} else if (element.attachEvent) {
element.detachEvent("on"+eventName, func);
}
},
preventDefaultEvent: function(e){
if(e.preventDefault){
e.preventDefault();
} else {
e.returnValue = false;
}
}
},
intercept = {
tabKey: function (e) {
if(!utils.fenceRange()){ return; }
if (e.keyCode == 9) {
utils.preventDefaultEvent(e);
var toReturn = true;
utils._callHook('tab:before');
var selection = utils.cursor.selection(),
pos = utils.cursor.get(),
val = utils.editor.get();
if(selection){
var tempStart = selection.start;
while(tempStart--){
if(val.charAt(tempStart)=="\n"){
selection.start = tempStart + 1;
break;
}
}
var toIndent = val.substring(selection.start, selection.end),
lines = toIndent.split("\n"),
i;
if(e.shiftKey){
for(i = 0; i