Team:SCUT-China A/resources/scripts/axutils.js
(function() {
// define the root namespace object
if(!window.$axure) window.$axure = {};
$axure.utils = {};
// ------------------------------------------------------------------------
// Makes an object bindable
// ------------------------------------------------------------------------
$axure.utils.makeBindable = function(obj, events) {
if(obj.registeredBindings != null) return;
// copy the events
obj.bindableEvents = events.slice();
obj.registeredBindings = {};
obj.bind = function(eventName, fn) {
var binding = {};
binding.eventName = eventName;
binding.action = fn;
var bindingList = this.registeredBindings[eventName];
if(bindingList == null) {
bindingList = [];
this.registeredBindings[eventName] = bindingList;
}
bindingList[bindingList.length] = binding;
};
obj.unbind = function(eventName) {
if(eventName.indexOf('.') >= 0) {
this.registeredBindings[eventName] = null;
} else {
var event = eventName.split('.')[0];
for(var bindingKey in this.registeredBindings) {
if(bindingKey.split('.')[0] == event) {
this.registeredBindings[bindingKey] = null;
}
}
}
};
obj.triggerEvent = function(eventName, arg) {
for(var bindingKey in this.registeredBindings) {
if(bindingKey.split('.')[0] == eventName) {
var bindings = this.registeredBindings[bindingKey];
for(var i = 0; i < bindings.length; i++) {
if(arg == null) {
bindings[i].action();
} else {
bindings[i].action(arg);
}
}
}
}
};
};
$axure.utils.loadCSS = function(url) {
$('head').append('<link text="text/css" href="' + url + '" rel="Stylesheet" />');
};
$axure.utils.loadJS = function(url) {
$('head').append('<script text="text/javascript" language="JavaScript" src="' + url + '"></script>');
};
$axure.utils.curry = function(fn) {
var curriedArgs = Array.prototype.slice.call(arguments, [1]);
return function() {
fn.apply(this, curriedArgs.concat(Array.prototype.slice.call(arguments)));
};
};
$axure.utils.succeeded = function(result) {
return result && result.success;
};
$axure.utils.createUniqueTag = function() {
return Math.random().toString().substring(2) +
Math.random().toString().substring(2) +
Math.random().toString().substring(2) +
Math.random().toString().substring(2);
};
$axure.utils.formatDate = function(date) {
var months = [
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
var hours = date.getHours();
var amPm = (hours > 11 ? 'PM' : 'AM');
hours = hours % 12;
if(hours == '0') hours = '12';
var minutes = date.getMinutes() + ;
if(minutes.length == 1) {
minutes = '0' + minutes;
}
return [
months[date.getMonth()], ' ', date.getDate(), ' ', date.getFullYear(), ' ',
hours, ':', minutes, ' ', amPm].join();
};
$axure.utils.quickObject = function() {
var returnVal = {};
for(var i = 0; i < arguments.length; i += 2) {
returnVal[arguments[i]] = arguments[i + 1];
}
return returnVal;
};
var matrixBase = {
mul: function(val) {
if(val.x !== undefined) {
return $axure.utils.Vector2D(
this.m11 * val.x + this.m12 * val.y + this.tx,
this.m21 * val.x + this.m22 * val.y + this.ty);
} else if(val.m11) {
return $axure.utils.Matrix2D(
this.m11 * val.m11 + this.m12 * val.m21,
this.m11 * val.m12 + this.m12 * val.m22,
this.m21 * val.m11 + this.m22 * val.m21,
this.m21 * val.m12 + this.m22 * val.m22,
val.tx + this.tx * val.m11 + this.ty * val.m21,
val.ty + this.tx * val.m12 + this.ty * val.m22
);
} else if(Number(val)) {
var num = Number(val);
return $axure.utils.Matrix2D(this.m11 * num, this.m12 * num,
this.m21 * num, this.m22 * num,
this.tx * num, this.ty * num);
} else return undefined;
},
rotate: function(angle) {
var angleRad = angle * Math.PI / 180;
var c = Math.cos(angleRad);
var s = Math.sin(angleRad);
return this.mul($axure.utils.Matrix2D(c, -s, s, c));
},
translate: function(tx, ty) {
return this.mul($axure.utils.Matrix2D(1, 0, 0, 1, tx, ty));
}
};
$axure.utils.Matrix2D = function(m11, m12, m21, m22, tx, ty) {
return $.extend({
m11: m11 || 0,
m12: m12 || 0,
m21: m21 || 0,
m22: m22 || 0,
tx: tx || 0,
ty: ty || 0
}, matrixBase);
};
$axure.utils.Vector2D = function(x, y) {
return { x: x || 0, y: y || 0 };
};
$axure.utils.Matrix2D.identity = function() {
return $axure.utils.Matrix2D(1, 0, 0, 1, 0, 0);
};
$axure.utils.fixPng = function(png) {
if(!(/MSIE ((5\.5)|6)/.test(navigator.userAgent) && navigator.platform == "Win32")) return;
var src = png.src;
if(!png.style.width) { png.style.width = $(png).width(); }
if(!png.style.height) { png.style.height = $(png).height(); }
png.onload = function() { };
png.src = $axure.utils.getTransparentGifPath();
png.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
};
})();
// TODO: [mas] simplify this
if(window.$axure && window.$axure.internal) {
$axure.internal(function($ax) { $ax.utils = $axure.utils; });
}
// Its too much of a pain to escape everything and use regular expresions, just replace manually
(function () {
var original = String.prototype.replace;
// TODO: maybe use flags or object instead to pass options in
String.prototype.replace = function (search, newVal, replaceFirst, ignoreCase) {
// Use original is some cases
if (search instanceof RegExp) return original.apply(this, arguments);
search = String(search);
var searchCompare = ignoreCase ? this.toLowerCase() : this;
if (ignoreCase) search = search.toLowerCase();
var searchLength = search.length;
var thisLength = this.length;
var index = 0;
var retVal = ;
while (index != -1) {
var nextIndex = searchCompare.indexOf(search, index);
if (nextIndex != -1) {
retVal += this.substring(index, nextIndex) + newVal;
index = nextIndex + searchLength;
if (index >= thisLength) index = -1;
} else {
retVal += this.substring(index);
index = -1;
}
if (replaceFirst) break;
}
return retVal;
};
if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function (elt /*, from*/) {
var len = this.length >>> 0;
var from = trunc(Number(arguments[1]) || 0);
if(from < 0) from += len;
for(; from < len; from++) {
if(from in this && this[from] === elt) return from;
}
return -1;
};
}
var trunc = function(num) {
return num < 0 ? Math.ceil(num) : Math.floor(num);
};
})();
