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Issue 128 attachment: jmesa.js (2.0 KB)

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/*global jQuery*/
/*jslint evil: true*/
// verified with JSLint at http://www.jslint.com/

// We'll wrap this in a function to properly scope the variables and so that
// we can safely use '$' instead of 'jQuery'.
(function ($) {

if (!$) {
throw "jQuery is required for the JMesa library.";
}

var global = this; // I can't imagine why this wouldn't be window, but
// we'll do it like this just in case.

// Dynamically download the jQuery plugin if needed.
// This is just a hack for backwards-compatibility. If it does not work
// right, add the jquery.jmesa.js script to your pages manually.
if (!$.jmesa) {
$("script[src$='jmesa.js']").each(function () {
var src = this.src.replace(/jmesa\.js$/, 'jquery.jmesa.js');
var success = false;
$.ajax({
url : src,
async : false,
type : 'GET',
success : function (data) {
eval(data); // as jslint says, "eval is evil"...
// if you're relying this automatic download
// feature, in the near future your JSPs
// should be updated to include the script
// properly.
success = true;
},
error : function () {
success = false;
}
});
return !success;
});
}

// Copy the JMesa functions and classes into the global namespace.
$.extend(global, $.jmesa);

// See if the legacy onInvokeAction and onInvokeExportAction are used.
// If an invoke action has not already been set, we will use the global
// invoke* actions for backwards compatibility.
$(function () {
$.each(['invokeAction', 'invokeExportAction'], function (i, name) {
var eventName = 'on' + name.charAt(0).toUpperCase() + name.substring(1);
var fn = global[eventName];
if (typeof(fn) === 'function') {
$.jmesa.getAllTables().each(function () {
var $this = $(this);
if (!$this.hasJMesaEvent(name)) {
$this[name](function (action) {
fn(this.id, action);
});
}
});
}
});
});

})(jQuery);
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