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KRL WebApp Template Cheatsheet
ruleset a169x425 {
meta {
name "KRL WebApp Template Cheatsheet"
description <<
KRL Demo Template
>>
author "Ed Orcutt, LOBOSLLC"
logging on
// --------------------------------------------
// Test development version of Ruleset
// http://ktest.heroku.com/a169x425
// --------------------------------------------
// ErrorStack reporting of errors from your ruleset
// http://docs.kynetx.com/docs/ErrorStack
key errorstack "REDACTED"
// --------------------------------------------
// Error Handling in KRL
// http://www.windley.com/archives/2011/05/error_handling_in_krl.shtml
use module a16x104 alias es
with es_key = keys:errorstack()
// --------------------------------------------
// jQuery UI library
// http://docs.kynetx.com/docs/JQuery_UI
use css resource jquery_ui_lightness_css
use javascript resource jquery_ui_js
// --------------------------------------------
// Use external resource files, either javascript or CSS
// http://docs.kynetx.com/docs/Use_resource
// use javascript resource ""
// use css resource ""
}
dispatch {
// domain "exampley.com"
}
global {
thisRID = meta:rid();
demoArray = ["Bob", "Ted", "Alice"];
}
// ------------------------------------------------------------------------
rule hello_world {
select when pageview ".*" setting ()
pre {
msg = "hello neo ...";
num = math:random(99999);
}
{
notify("KRL Demo Template", msg) with sticky = true;
// --------------------------------------------
// Raise event action
// http://docs.kynetx.com/docs/Raise_Event_Action_and_Runtime_API
raise_event("randomHello") with app_id = thisRID
and parameters = {
"num": num
};
// --------------------------------------------
// Insert your own Javascript
// http://docs.kynetx.com/docs/Emit
emit <<
// --------------------------------------------
// Raise event to plant StatCounter
// with statURL as an event parameter
// http://docs.kynetx.com/docs/Raise_Event_Action_and_Runtime_API
var thisApp = KOBJ.get_application(thisRID);
thisApp.raise_event("statcounter", {
"statURL" : "http://c.statcounter.com/7288818/0/0ab97fe3/1/"
}, thisRID);
>>;
}
// --------------------------------------------
// Actions to be taken based on whether or not the rule fired
// http://docs.kynetx.com/docs/Postlude
fired {
raise explicit event loopit for thisRID
with title = "Explicit Event Demo";
}
}
// ------------------------------------------------------------------------
rule hello_jquery {
select when pageview ".*" setting ()
pre {
demo_div = <<
<div class="demo-dialog" title="Dialog Demo" style="display: none; ">
<p>This is the default dialog which is useful for displaying information. The dialog window can be moved, resized and closed with the 'x' icon.</p>
</div>
>>;
}
{
append("body", demo_div);
jquery_ui:dialog(".demo-dialog") with closeText = "Close Me";
}
}
// ------------------------------------------------------------------------
rule randomHello {
select when web randomHello
pre {
num = event:param("num");
msg = "random number: #{num}";
}
{
notify("Raise Event Demo", msg) with sticky = true;
}
}
// ------------------------------------------------------------------------
rule loopit_first {
select when explicit loopit
pre {
title = event:param("title");
}
{
notify(title, "I am run first!") with sticky = true;
}
}
// ------------------------------------------------------------------------
rule loopit_second {
select when explicit loopit
foreach demoArray setting (myName)
pre {
msg = "Hello " + myName;
}
{
notify("Foreach Demo", msg) with sticky = true;
}
}
// ------------------------------------------------------------------------
// StatCounter provides Analytics for your Web App
// http://statcounter.com/
rule StatCounter {
select when web statcounter
pre {
statURL = event:param("statURL");
// StatCounter tracking code
statCode = << <img src="#{statURL}" border="0"> >>;
}
append("body", statCode);
}
// ------------------------------------------------------------------------
// Error Handling in KRL
// http://www.windley.com/archives/2011/05/error_handling_in_krl.shtml
rule Catch_Errors_Throw_At_ErrorStack {
select when system error or user error
pre {
genus = event:param("genus");
species = event:param("species");
}
es:send_error("(#{genus}:#{species}) " + event:param("msg"))
with rule_name = event:param("rule_name")
and rid = event:param("rid");
}
// ------------------------------------------------------------------------
// Beyond here there be dragons :)
// ------------------------------------------------------------------------
}
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