Unofficial JDA (Javascript Dataflow Architecture) Wiki

Fairly simple blueprint which displays text from the input terminal, with some formatting capabilities provided from properties.

Demos that use it

• dynamic_construction.html
• http.html
• timer.html

/*
  Simple Text
 */
BLUEPRINT(
"~015B408D312408434bAC3DC477C612C8DE",
[
 ["value_in", "onValue", 10]
],
[
 "changed_value_out"
],
function () 
{
  var Blueprint = function(id, props, bp_uuid)
  {
    this.__init__(id, bp_uuid);
    
    this._do_not_encode_html = props["renders_html"] || false;
  };

  Blueprint.prototype = new Infotron;

  Blueprint.prototype.onValue = function(msg)
  {
    var s;

    if (typeof(msg) != "string" && msg) {
        s = msg.name || msg.text_content || msg.label || msg;
    } else {
        s = msg;
    }

    
    if (typeof(msg) != "string") {
        s = s.toString();
    }

    if (!this._do_not_encode_html) {
      s = s.replace(/&/g, "&");
      s = s.replace(/</g, "&lt;");
    }

    this.dom_node.innerHTML = s;
    
    this.postMessage("changed_value_out", s);
  };

  return Blueprint;
}, "Text Element");