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local_shaders = new function(){}
local_shaders.init = function(){
local_shaders.bind()
}
local_shaders.bind = function(){
local_shaders.buttons = {}
if ('EXAMPLE_SHADERS' in window) {
local_shaders.bindButtons( window.EXAMPLE_SHADERS )
}
local_shaders.bindButtons( local_shaders.getShaders() )
document.getElementById("add-shader").addEventListener("click", local_shaders.save, false)
document.getElementById("remove-shader").addEventListener("click", local_shaders.remove, false)
}
local_shaders.bindButtons = function(shaders){
for (var i = 0; i < shaders.length; i++){
local_shaders.bindButton(shaders[i])
}
}
local_shaders.bindButton = function(data){
// console.log("button >> " + data.name)
var button = document.createElement("button")
button.innerHTML = data.name
button.addEventListener("click", local_shaders.load.bind(this, data), false)
document.getElementById("shaders").appendChild(button)
local_shaders.buttons[data.name] = button
}
local_shaders.load = function(data){
var shader = data.shader
if (shader && shader.length > 0) {
local_shaders.name = data.name
$("#shader").val(shader)
// pause here?
shader_build()
$(".active").removeClass("active")
$(local_shaders.buttons[data.name]).addClass("active")
local_shaders.setLastAccessed(data.name)
}
}
local_shaders.loadLastAccessed = function(){
var name = localStorage.getItem("im.lastShader") || "colorcycle"
if (name in local_shaders.buttons) {
$(local_shaders.buttons[name]).trigger("click")
}
}
local_shaders.setLastAccessed = function(name){
localStorage.setItem("im.lastShader", name)
}
local_shaders.getShaderByName = function(name){
return { name: name, shader: local_shaders.getShaderBody(name) }
}
local_shaders.getShaderIndex = function(){
return JSON.parse( localStorage.getItem("im.shaders") ) || []
}
local_shaders.getShaderBody = function(name){
return localStorage.getItem("im.shaders."+name) || null
}
local_shaders.getShaders = function(){
var shaders = local_shaders.getShaderIndex()
return shaders.map(function(name){ return { name: name, shader: local_shaders.getShaderBody(name) } })
}
local_shaders.setShaderIndex = function(shaders){
localStorage.setItem("im.shaders", JSON.stringify(shaders))
}
local_shaders.setShader = function(name, shader){
if (! name.length || ! shader.length || !name.length || !shader.length) return
localStorage.setItem("im.shaders." + name, shader)
}
local_shaders.removeShader = function(name){
localStorage.removeItem("im.shaders." + name)
}
local_shaders.save = function(){
var name = prompt("enter shader name")
var shader = $("#shader").val()
if (! name) return;
if (shade !== shade_no_error_handling) return;
local_shaders.setShader(name, shader)
var shaders = local_shaders.getShaderIndex()
shaders.push(name)
local_shaders.setShaderIndex(shaders)
local_shaders.name = name
local_shaders.bindButton({ name: name, shader: shader })
$(".active").removeClass("active")
$(local_shaders.buttons[name]).addClass("active")
local_shaders.setLastAccessed(name)
}
local_shaders.remove = function(){
var name = local_shaders.name
if (! name || ! name.length) return
var shaders = local_shaders.getShaderIndex()
if (shaders.splice( shaders.indexOf(name), 1 )) {
local_shaders.setShaderIndex(shaders)
local_shaders.removeShader(name)
$(local_shaders.buttons[name]).remove()
local_shaders.name = ""
}
}
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