(function($){
// var trace = function(msg){
// if (typeof(window)=='undefined' || !window.console) return
// var len = arguments.length, args = [];
// for (var i=0; i<len; i++) args.push("arguments["+i+"]")
// eval("console.log("+args.join(",")+")")
// }
var Renderer = function(elt){
var dom = $(elt)
var canvas = dom.get(0)
var ctx = canvas.getContext("2d");
var gfx = arbor.Graphics(canvas)
var sys = null
var _vignette = null
var selected = null,
nearest = null,
_mouseP = null;
var that = {
init:function(pSystem){
sys = pSystem
sys.screen({size:{width:dom.width(), height:dom.height()},
padding:[36,60,36,60]})
$(window).resize(that.resize)
that.resize()
that._initMouseHandling()
if (document.referrer.match(/picklePickery|ratTats|"Battle For Presidency"/)){
// if we got here by hitting the back button in one of the Games,
// start with the Games section pre-selected
that.switchSection('Games')
}
},
resize:function(){
canvas.width = $(window).width()
canvas.height = .75* $(window).height()
sys.screen({size:{width:canvas.width, height:canvas.height}})
_vignette = null
that.redraw()
},
redraw:function(){
gfx.clear()
sys.eachEdge(function(edge, p1, p2){
if (edge.source.data.alpha * edge.target.data.alpha == 0) return
gfx.line(p1, p2, {stroke:"#b2b19d", width:2, alpha:edge.target.data.alpha})
})
sys.eachNode(function(node, pt){
var w = Math.max(20, 20+gfx.textWidth(node.name) )
if (node.data.alpha===0) return
if (node.data.shape=='dot'){
gfx.oval(pt.x-w/2, pt.y-w/2, w, w, {fill:node.data.color, alpha:node.data.alpha})
gfx.text(node.name, pt.x, pt.y+7, {color:"white", align:"center", font:"Arial", size:12})
gfx.text(node.name, pt.x, pt.y+7, {color:"white", align:"center", font:"Arial", size:12})
}else{
gfx.rect(pt.x-w/2, pt.y-8, w, 20, 4, {fill:node.data.color, alpha:node.data.alpha})
gfx.text(node.name, pt.x, pt.y+9, {color:"white", align:"center", font:"Arial", size:12})
gfx.text(node.name, pt.x, pt.y+9, {color:"white", align:"center", font:"Arial", size:12})
}
})
that._drawVignette()
},
_drawVignette:function(){
var w = canvas.width
var h = canvas.height
var r = 20
if (!_vignette){
var top = ctx.createLinearGradient(0,0,0,r)
top.addColorStop(0, "#e0e0e0")
top.addColorStop(.7, "rgba(255,255,255,0)")
var bot = ctx.createLinearGradient(0,h-r,0,h)
bot.addColorStop(0, "rgba(255,255,255,0)")
bot.addColorStop(1, "white")
_vignette = {top:top, bot:bot}
}
// top
ctx.fillStyle = _vignette.top
ctx.fillRect(0,0, w,r)
// bot
ctx.fillStyle = _vignette.bot
ctx.fillRect(0,h-r, w,r)
},
switchMode:function(e){
if (e.mode=='hidden'){
dom.stop(true).fadeTo(e.dt,0, function(){
if (sys) sys.stop()
$(this).hide()
})
}else if (e.mode=='visible'){
dom.stop(true).css('opacity',0).show().fadeTo(e.dt,1,function(){
that.resize()
})
if (sys) sys.start()
}
},
switchSection:function(newSection){
var parent = sys.getEdgesFrom(newSection)[0].source
var children = $.map(sys.getEdgesFrom(newSection), function(edge){
return edge.target
})
sys.eachNode(function(node){
if (node.data.shape=='dot') return // skip all but leafnodes
var nowVisible = ($.inArray(node, children)>=0)
var newAlpha = (nowVisible) ? 1 : 0
var dt = (nowVisible) ? .5 : .5
sys.tweenNode(node, dt, {alpha:newAlpha})
if (newAlpha==1){
node.p.x = parent.p.x + .05*Math.random() - .025
node.p.y = parent.p.y + .05*Math.random() - .025
node.tempMass = .001
}
})
},
_initMouseHandling:function(){
// no-nonsense drag and drop (thanks springy.js)
selected = null;
nearest = null;
var dragged = null;
var oldmass = 1
var _section = null
var handler = {
moved:function(e){
var pos = $(canvas).offset();
_mouseP = arbor.Point(e.pageX-pos.left, e.pageY-pos.top)
nearest = sys.nearest(_mouseP);
if (!nearest.node) return false
if (nearest.node.data.shape!='dot'){
selected = (nearest.distance < 50) ? nearest : null
if (selected){
dom.addClass('linkable')
window.status = selected.node.data.link.replace(/^\//,"http://"+window.location.host+"/").replace(/^#/,'')
}
else{
dom.removeClass('linkable')
window.status = ''
}
}else if ($.inArray(nearest.node.name, ['Life Tree','code','docs','Games']) >=0 ){
if (nearest.node.name!=_section){
_section = nearest.node.name
that.switchSection(_section)
}
dom.removeClass('linkable')
window.status = ''
}
return false
},
clicked:function(e){
var pos = $(canvas).offset();
_mouseP = arbor.Point(e.pageX-pos.left, e.pageY-pos.top)
nearest = dragged = sys.nearest(_mouseP);
if (nearest && selected && nearest.node===selected.node){
var link = selected.node.data.link
if (link.match(/^#/)){
$(that).trigger({type:"navigate", path:link.substr(1)})
}else{
window.location = link
}
return false
}
if (dragged && dragged.node !== null) dragged.node.fixed = true
$(canvas).unbind('mousemove', handler.moved);
$(canvas).bind('mousemove', handler.dragged)
$(window).bind('mouseup', handler.dropped)
return false
},
dragged:function(e){
var old_nearest = nearest && nearest.node._id
var pos = $(canvas).offset();
var s = arbor.Point(e.pageX-pos.left, e.pageY-pos.top)
if (!nearest) return
if (dragged !== null && dragged.node !== null){
var p = sys.fromScreen(s)
dragged.node.p = p
}
return false
},
dropped:function(e){
if (dragged===null || dragged.node===undefined) return
if (dragged.node !== null) dragged.node.fixed = false
dragged.node.tempMass = 1000
dragged = null;
// selected = null
$(canvas).unbind('mousemove', handler.dragged)
$(window).unbind('mouseup', handler.dropped)
$(canvas).bind('mousemove', handler.moved);
_mouseP = null
return false
}
}
$(canvas).mousedown(handler.clicked);
$(canvas).mousemove(handler.moved);
}
}
return that
}
var Nav = function(elt){
var dom = $(elt)
var _path = null
var that = {
init:function(){
$(window).bind('popstate',that.navigate)
dom.find('> a').click(that.back)
$('.more').one('click',that.more)
$('#docs dl:not(.datastructure) dt').click(that.reveal)
that.update()
return that
},
more:function(e){
$(this).removeAttr('href').addClass('less').html('&nbsp;').siblings().fadeIn()
$(this).next('h2').find('a').one('click', that.less)
return false
},
less:function(e){
var more = $(this).closest('h2').prev('a')
$(this).closest('h2').prev('a')
.nextAll().fadeOut(function(){
$(more).text('creation & use').removeClass('less').attr('href','#')
})
$(this).closest('h2').prev('a').one('click',that.more)
return false
},
reveal:function(e){
$(this).next('dd').fadeToggle('fast')
return false
},
back:function(){
_path = "/"
if (window.history && window.history.pushState){
window.history.pushState({path:_path}, "", _path);
}
that.update()
return false
},
navigate:function(e){
var oldpath = _path
if (e.type=='navigate'){
_path = e.path
if (window.history && window.history.pushState){
window.history.pushState({path:_path}, "", _path);
}else{
that.update()
}
}else if (e.type=='popstate'){
var state = e.originalEvent.state || {}
_path = state.path || window.location.pathname.replace(/^\//,'')
}
if (_path != oldpath) that.update()
},
update:function(){
var dt = 'fast'
if (_path===null){
// this is the original page load. don't animate anything just jump
// to the proper state
_path = window.location.pathname.replace(/^\//,'')
dt = 0
dom.find('p').css('opacity',0).show().fadeTo('slow',1)
}
switch (_path){
case '':
case '/':
dom.find('p').text('a graph visualization library using web workers and jQuery')
dom.find('> a').removeClass('active').attr('href','#')
$('#docs').fadeTo('fast',0, function(){
$(this).hide()
$(that).trigger({type:'mode', mode:'visible', dt:dt})
})
document.title = "Life Tree"
break
case 'introduction':
case 'reference':
$(that).trigger({type:'mode', mode:'hidden', dt:dt})
dom.find('> p').text(_path)
dom.find('> a').addClass('active').attr('href','#')
$('#docs').stop(true).css({opacity:0}).show().delay(333).fadeTo('fast',1)
$('#docs').find(">div").hide()
$('#docs').find('#'+_path).show()
document.title = "Life Tree » " + _path
break
}
}
}
return that
}
$(document).ready(function(){
var CLR = {
branch:"#b2b19d",
code:"orange",
doc:"#922E00",
demo:"#a7af00"
}
var theUI = {
nodes:{"GarnerGames.com":{color:"red", shape:"dot", alpha:1},
Games:{color:CLR.branch, shape:"dot", alpha:1},
"Battle For Presidency":{color:CLR.demo, alpha:0, link:'http://www.garnergames.com/gameDetail.php?game=battleForPresidency'},
ratTats:{color:CLR.demo, alpha:0, link:'http://www.rattats.com'},
picklePickery:{color:CLR.demo, alpha:0, link:'http://www.garnergames.com/gameDetail.php?game=picklePickery'},
docs:{color:CLR.branch, shape:"dot", alpha:1},
reference:{color:CLR.doc, alpha:0, link:'#reference'},
introduction:{color:CLR.doc, alpha:0, link:'#introduction'},
code:{color:CLR.branch, shape:"dot", alpha:1},
github:{color:CLR.code, alpha:0, link:'https://github.com/samizdatco/arbor'},
".zip":{color:CLR.code, alpha:0, link:'/js/dist/arbor-v0.92.zip'},
".tar.gz":{color:CLR.code, alpha:0, link:'/js/dist/arbor-v0.92.tar.gz'}
},
edges:{
"GarnerGames.com":{
Games:{length:.8},
docs:{length:.8},
code:{length:.8}
},
Games:{"Battle For Presidency":{},
ratTats:{},
picklePickery:{}
},
docs:{reference:{},
introduction:{}
},
code:{".zip":{},
".tar.gz":{},
"github":{}
}
}
}
var sys = arbor.ParticleSystem()
sys.parameters({stiffness:900, repulsion:2000, gravity:true, dt:0.015})
sys.renderer = Renderer("#sitemap")
sys.graft(theUI)
var nav = Nav("#nav")
$(sys.renderer).bind('navigate', nav.navigate)
$(nav).bind('mode', sys.renderer.switchMode)
nav.init()
})
})(this.jQuery)