Unofficial JDA (Javascript Dataflow Architecture) WikiPublic Space

Sample Declaration

<div id="messages1"
    impl="~019448F213F49F471a8C71268CABD6424C"
    script="http://localhost/SendMessages.js">
</div>

This blueprint is similar to its relative, SendMessageInfotron. The difference is that this one can take an array of messages, and optionally control if they are going to be sent all together or one at a time -----

/*
 */
BLUEPRINT(
"~019448F213F49F471a8C71268CABD6424C",
[
 ["%startup", "onStartUp", 1],
 ["trigger", "onTrigger", 1]
],
[
 "startup_message_out",
 "triggered_message_out"
],
function(props)
{
  var Blueprint = function(id, props, bp_uuid)
  {
    this.__init__(id, bp_uuid);
    this._msgs = props["messages"] || [];
    this._one_at_a_time = props["sends_one_at_a_time"] || false;
    this._curr_i = 0;
  };

  Blueprint.prototype = new Infotron;

  Blueprint.prototype.onStartUp = function(msg)
  {
    this._sendMessages("startup_message_out");
  };
  
  Blueprint.prototype.onTrigger = function(msg)
  {
    this._sendMessages("triggered_message_out");
  };
  
  Blueprint.prototype._sendMessages = function(oterm)
  {
    var i;
    var n = this._msgs.length;
    
    if (!this._one_at_a_time) {
      for (i = 0; i < n; i ++) {
    this.postMessage(oterm, this._msgs[i]);
      }
    } else {
      i = this._curr_i ++;
      this.debug("_curr_i = " + this._curr_i);
      this.postMessage(oterm, this._msgs[i]);
    }
  }

  return Blueprint;
 },"Send Message");