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growler.js
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growler.js
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/**
* k.Growler 1.0.0
*
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
*
* Written by Kevin Armstrong <kevin@kevinandre.com>
* Last updated: 2008.10.14
*
* Growler is a PrototypeJS based class that displays unobtrusive notices on a page.
* It functions much like the Growl (http://growl.info) available on the Mac OS X.
*
* Changes in 1.0.1:
* -
*
* @todo
*/
window.k = window.k || {};
;(function(){
var noticeOptions = {
header: ' '
,speedin: 0.3
,speedout: 0.5
,outDirection: { y: -20 }
,life: 5
,sticky: false
,className: ""
};
var growlerOptions = {
location: "tr"
,width: "250px"
};
var IE = (Prototype.Browser.IE) ? parseFloat(navigator.appVersion.split("MSIE ")[1]) || 0 : 0;
function removeNotice(n, o){
o = o || noticeOptions;
new Effect.Parallel([
new Effect.Move(n, Object.extend({ sync: true, mode: 'relative' }, o.outDirection)),
new Effect.Opacity(n, { sync: true, to: 0 })
], {
duration: o.speedout
,afterFinish: function(){
try {
var ne = n.down("div.notice-exit");
if(ne != undefined){
ne.stopObserving("click", removeNotice);
}
if(o.created && Object.isFunction(o.created)){
n.stopObserving("notice:created", o.created);
}
if(o.destroyed && Object.isFunction(o.destroyed)){
n.fire("notice:destroyed");
n.stopObserving("notice:destroyed", o.destroyed);
}
} catch(e){}
try {
n.remove();
} catch(e){}
}
});
}
function createNotice(growler, msg, options){
var opt = Object.clone(noticeOptions);
options = options || {};
Object.extend(opt, options);
var notice;
if (opt.className != ""){
notice = new Element("div", {"class": opt.className}).setStyle({display: "block", opacity: 0});
} else {
notice = new Element("div", {"class": "Growler-notice"}).setStyle({display: "block", opacity: 0});
}
if(opt.created && Object.isFunction(opt.created)){
notice.observe("notice:created", opt.created);
}
if(opt.destroyed && Object.isFunction(opt.destroyed)){
notice.observe("notice:destroyed", opt.destroyed);
}
if (opt.sticky){
var noticeExit = new Element("div", {"class": "Growler-notice-exit"}).update("×");
noticeExit.observe("click", function(){ removeNotice(notice, opt); });
notice.insert(noticeExit);
}
notice.insert(new Element("div", {"class": "Growler-notice-head"}).update(opt.header));
notice.insert(new Element("div", {"class": "Growler-notice-body"}).update(msg));
growler.insert(notice);
new Effect.Opacity(notice, { to: 0.85, duration: opt.speedin });
if (!opt.sticky){
removeNotice.delay(opt.life, notice, opt);
}
notice.fire("notice:created");
return notice;
}
function specialNotice(g, m, o, t, b, c){
o.header = o.header || t;
var n = createNotice(g, m, o);
n.setStyle({ backgroundColor: b, color: c });
return n;
}
k.Growler = Class.create({
initialize: function(options){
var opt = Object.clone(growlerOptions);
options = options || {};
Object.extend(opt, options);
this.growler = new Element("div", { "class": "Growler", "id": "Growler" });
this.growler.setStyle({ position: ((IE==6)?"absolute":"fixed"), padding: "10px", "width": opt.width, "z-index": "50000" });
if(IE==6){
var offset = { w: parseInt(this.growler.style.width)+parseInt(this.growler.style.padding)*3, h: parseInt(this.growler.style.height)+parseInt(this.growler.style.padding)*3 };
switch(opt.location){
case "br":
this.growler.style.setExpression("left", "( 0 - Growler.offsetWidth + ( document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.clientWidth ) + ( ignoreMe2 = document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ) ) + 'px'");
this.growler.style.setExpression("top", "( 0 - Growler.offsetHeight + ( document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight ) + ( ignoreMe = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ) ) + 'px'");
break;
case "tl":
this.growler.style.setExpression("left", "( 0 + ( ignoreMe2 = document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ) ) + 'px'");
this.growler.style.setExpression("top", "( 0 + ( ignoreMe = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ) ) + 'px'");
break;
case "bl":
this.growler.style.setExpression("left", "( 0 + ( ignoreMe2 = document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ) ) + 'px'");
this.growler.style.setExpression("top", "( 0 - Growler.offsetHeight + ( document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight ) + ( ignoreMe = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ) ) + 'px'");
break;
default:
this.growler.setStyle({right: "auto", bottom: "auto"});
this.growler.style.setExpression("left", "( 0 - Growler.offsetWidth + ( document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.clientWidth ) + ( ignoreMe2 = document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ) ) + 'px'");
this.growler.style.setExpression("top", "( 0 + ( ignoreMe = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ) ) + 'px'");
break;
}
} else {
switch(opt.location){
case "br":
this.growler.setStyle({bottom: 0, right: 0});
break;
case "tl":
this.growler.setStyle({top: 0, left: 0});
break;
case "bl":
this.growler.setStyle({top: 0, right: 0});
break;
case "tc":
this.growler.setStyle({top: 0, left: "25%", width: "50%"});
break;
case "bc":
this.growler.setStyle({bottom: 0, left: "25%", width: "50%"});
break;
default:
this.growler.setStyle({top: 0, right: 0});
break;
}
}
this.growler.wrap( document.body );
}
,growl: function(msg, options) {
return createNotice(this.growler, msg, options);
}
,warn: function(msg, options){
return specialNotice(this.growler, msg, options, "Warning!", "#F6BD6F", "#000");
}
,error: function(msg, options){
return specialNotice(this.growler, msg, options, "Critical!", "#F66F82", "#000");
}
,info: function(msg, options){
return specialNotice(this.growler, msg, options, "Information!", "#BBF66F", "#000");
}
,ungrowl: function(n, o){
removeNotice(n, o);
}
});
})();