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/**
* Copyright 2010-2013 Ben Birch
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this software except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function() {
var window = this,
$ = jQuery;
function ns( namespace ) {
return (namespace || "").split(".").reduce( function( space, name ) {
return space[ name ] || ( space[ name ] = { ns: ns } );
}, this );
}
var app = ns("app");
var acx = ns("acx");
/**
* object iterator, returns an array with one element for each property of the object
* @function
*/
acx.eachMap = function(obj, fn, thisp) {
var ret = [];
for(var n in obj) {
ret.push(fn.call(thisp, n, obj[n], obj));
}
return ret;
};
/**
* augments the first argument with the properties of the second and subsequent arguments
* like {@link $.extend} except that existing properties are not overwritten
*/
acx.augment = function() {
var args = Array.prototype.slice.call(arguments),
src = (args.length === 1) ? this : args.shift(),
augf = function(n, v) {
if(! (n in src)) {
src[n] = v;
}
};
for(var i = 0; i < args.length; i++) {
$.each(args[i], augf);
}
return src;
};
/**
* tests whether the argument is an array
* @function
*/
acx.isArray = $.isArray;
/**
* tests whether the argument is an object
* @function
*/
acx.isObject = function (value) {
return Object.prototype.toString.call(value) == "[object Object]";
};
/**
* tests whether the argument is a function
* @function
*/
acx.isFunction = $.isFunction;
/**
* tests whether the argument is a date
* @function
*/
acx.isDate = function (value) {
return Object.prototype.toString.call(value) == "[object Date]";
};
/**
* tests whether the argument is a regexp
* @function
*/
acx.isRegExp = function (value) {
return Object.prototype.toString.call(value) == "[object RegExp]";
};
/**
* tests whether the value is blank or empty
* @function
*/
acx.isEmpty = function (value, allowBlank) {
return value === null || value === undefined || ((acx.isArray(value) && !value.length)) || (!allowBlank ? value === '' : false);
};
/**
* data type for performing chainable geometry calculations<br>
* can be initialised x,y | {x, y} | {left, top}
*/
acx.vector = function(x, y) {
return new acx.vector.prototype.Init(x, y);
};
acx.vector.prototype = {
Init : function(x, y) {
x = x || 0;
this.y = isFinite(x.y) ? x.y : (isFinite(x.top) ? x.top : (isFinite(y) ? y : 0));
this.x = isFinite(x.x) ? x.x : (isFinite(x.left) ? x.left : (isFinite(x) ? x : 0));
},
add : function(i, j) {
var d = acx.vector(i, j);
return new this.Init(this.x + d.x, this.y + d.y);
},
sub : function(i, j) {
var d = acx.vector(i, j);
return new this.Init(this.x - d.x, this.y - d.y);
},
addX : function(i) {
return new this.Init(this.x + i, this.y);
},
addY : function(j) {
return new this.Init(this.x, this.y + j);
},
mod : function(fn) { // runs a function against the x and y values
return new this.Init({x: fn.call(this, this.x, "x"), y: fn.call(this, this.y, "y")});
},
/** returns true if this is within a rectangle formed by the points p and q */
within : function(p, q) {
return ( this.x >= ((p.x < q.x) ? p.x : q.x) && this.x <= ((p.x > q.x) ? p.x : q.x) &&
this.y >= ((p.y < q.y) ? p.y : q.y) && this.y <= ((p.y > q.y) ? p.y : q.y) );
},
asOffset : function() {
return { top: this.y, left: this.x };
},
asSize : function() {
return { height: this.y, width: this.x };
}
};
acx.vector.prototype.Init.prototype = acx.vector.prototype;
/**
* short cut functions for working with vectors and jquery.
* Each function returns the equivalent jquery value in a two dimentional vector
*/
$.fn.vSize = function() { return acx.vector(this.width(), this.height()); };
$.fn.vOuterSize = function(margin) { return acx.vector(this.outerWidth(margin), this.outerHeight(margin)); };
$.fn.vScroll = function() { return acx.vector(this.scrollLeft(), this.scrollTop()); };
$.fn.vOffset = function() { return acx.vector(this.offset()); };
$.fn.vPosition = function() { return acx.vector(this.position()); };
$.Event.prototype.vMouse = function() { return acx.vector(this.pageX, this.pageY); };
/**
* object extensions (ecma5 compatible)
*/
acx.augment(Object, {
keys: function(obj) {
var ret = [];
for(var n in obj) if(Object.prototype.hasOwnProperty.call(obj, n)) ret.push(n);
return ret;
}
});
/**
* Array prototype extensions
*/
acx.augment(Array.prototype, {
'contains' : function(needle) {
return this.indexOf(needle) !== -1;
},
// returns a new array consisting of all the members that are in both arrays
'intersection' : function(b) {
var ret = [];
for(var i = 0; i < this.length; i++) {
if(b.contains(this[i])) {
ret.push(this[i]);
}
}
return ret;
},
'remove' : function(value) {
var i = this.indexOf(value);
if(i !== -1) {
this.splice(i, 1);
}
}
});
/**
* String prototype extensions
*/
acx.augment(String.prototype, {
'contains' : function(needle) {
return this.indexOf(needle) !== -1;
},
'equalsIgnoreCase' : function(match) {
return this.toLowerCase() === match.toLowerCase();
},
'escapeHtml' : function() {
return this.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
},
'escapeJS' : function() {
var meta = {'"':'\\"', '\\':'\\\\', '/':'\\/', '\b':'\\b', '\f':'\\f', '\n':'\\n', '\r':'\\r', '\t':'\\t'},
xfrm = function(c) { return meta[c] || "\\u" + c.charCodeAt(0).toString(16).zeroPad(4); };
return this.replace(new RegExp('(["\\\\\x00-\x1f\x7f-\uffff])', 'g'), xfrm);
},
'escapeRegExp' : function() {
var ret = "", esc = "\\^$*+?.()=|{,}[]-";
for ( var i = 0; i < this.length; i++) {
ret += (esc.contains(this.charAt(i)) ? "\\" : "") + this.charAt(i);
}
return ret;
},
'zeroPad' : function(len) {
return ("0000000000" + this).substring(this.length - len + 10);
}
});
$.fn.forEach = Array.prototype.forEach;
// joey / jquery integration
$.joey = function( obj ) {
return $( window.joey( obj ) );
};
window.joey.plugins.push( function( obj ) {
if( obj instanceof jQuery ) {
return obj[0];
}
});
})();
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