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template.js
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template.js
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require.config({paths: {
d3: "http://d3js.org/d3.v3.min",
"underscore": "http://underscorejs.org/underscore-min",
"uuid": "https://cdn.rawgit.com/broofa/node-uuid/master/uuid"
}});
require(["d3", "underscore", "uuid"], function(d3, _, node_uuid){
var selection = {};
var callbacks = {};
function register_selection(uuid, s){
selection[uuid] = s;
}
function get_selection(uuid){
console.log("registered_selection", selection);
if(_.isUndefined(selection[uuid]))throw "Unregistered selection";
return selection[uuid];
}
function register_callback(uuid, callback){
callbacks[uuid] = callback;
};
function get_callback(uuid){
if(_.isUndefined(callbacks[uuid]))throw "Unregistered callback";
return callbacks[uuid];
}
IPython.notebook.kernel.comm_manager.register_target("d3rb", function(comm, msg){
// stack: [{name: "attr", args: [{type: "Proc", sync: true, uuid: ""}]}]
var parse = function(target, stack){
// row: {name: "attr", args: ["width", {type: Proc}]}
if(stack.length == 0)return;
var row = stack.shift();
var method_name = row.name, args = row.args;
// args:
if(method_name == "attr"){
if(args.length == 1 && _.isObject(args) && args[0].sync == true){
var arg = args[0];
var new_uuid = node_uuid.v4();
comm.send("sync", {
proc_uuid: arg.uuid,
callback_uuid: new_uuid
});
register_callback(new_uuid, function(obj){
parse(
target["attr"].apply(target, [function(d, i){
return obj[i];
}]), stack);
});
return;
}
}else{
console.log("target.apply", target, method_name, args);
var new_target = target[method_name].apply(target, args);
parse(new_target, stack);
}
};
comm.on_msg(function(msg_){
console.log("msg has come. ", msg_);
var msg = msg_.content.data;
switch(msg.type){
case "select":
/*
msg: {
type: "select",
uuid: "u-u-i-d",
target: "d3",
arg: "#hoge"
}
*/
if(msg.target == "d3"){
register_selection(msg.uuid, d3[msg.type](msg.arg));
}else{
var target = get_selection(msg.target);
register_selection(msg.uuid, target[msg.type](msg.arg));
}
break;
case "parse":
/*
msg: {
type: "parse",
target: "u-u-i-d",
stack: [{name: "data", args: [[0,1,2]]}, {name: "attr", args: ["width", {type: Proc}]}]
}
*/
parse(get_selection(msg.target), msg.stack);
break;
case "sync":
/*
msg: {
type: "sync"
target: "u-u-i-d",
contents: []
}
*/
var cb = get_callback(msg.target);
cb(msg.contents);
break;
}
});
});
});