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December 1, 2015 09:44
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<script> | |
/** | |
* Safer method of loading and using jQuery and other libraries into | |
* an IBM Congos Report (version 10.2) | |
* Normally this is overkill and you can get away with a simple | |
* <script src="path/to/jquery.js"> | |
* However when you start to add prompts, because the Prompt API uses | |
* the same '$' variable as jQuery defaults to, you start to see some | |
* odd inconsistencies. | |
*/ | |
(function(window){ | |
var cognosJqFix = {}; | |
var readyCallbacks = [], | |
jqSafe = false; | |
cognosJqFix.complete = false; | |
cognosJqFix.ready = function(func){ | |
if(!jqSafe){ | |
readyCallbacks.push(func); | |
}else { | |
func(window.jQuery); | |
} | |
}; | |
cognosJqFix.setup = function(configObject){ | |
if(configObject.jqueryPath===undefined){ | |
console.log('Must specify a jquery path'); | |
return; | |
} | |
if(!window.jQuery){ | |
var jqs = document.createElement('script'); | |
jqs.setAttribute('src', configObject.jqueryPath); | |
var reportViewer = window.oCV_NS_ || window.oCVRS; | |
//wait for cognos view to fully load first | |
var checkComplete = setInterval(function(){ | |
if(reportViewer.m_sStatus === "complete"){ | |
clearInterval(checkComplete); | |
document.getElementsByTagName('head')[0].appendChild(jqs); | |
} | |
},50); | |
}else { | |
//run noConflict to remove global assignment of $ to jQuery | |
window.jQuery.noConflict(); | |
} | |
//now loop until we have loaded jQuery... | |
var waiter = setInterval(function(){ | |
if(window.jQuery!==undefined){ | |
clearInterval(waiter); | |
var deferred = new window.jQuery.Deferred(); | |
//load any stylesheets into the DOM | |
if(configObject.styles && configObject.styles.length){ | |
window.jQuery.each(configObject.styles, function(i, src){ | |
window.jQuery('<link/>', { | |
rel: 'stylesheet', | |
type: 'text/css', | |
href: src | |
}).appendTo('head'); | |
}); | |
} | |
if(configObject.scripts && configObject.scripts.length){ | |
loadScripts(configObject.scripts, function(){ | |
deferred.resolve(); | |
}); | |
}else { | |
deferred.resolve(); | |
} | |
window.jQuery.when(deferred.promise()).then(function(){ | |
var x; | |
jqSafe = true; | |
while(x = readyCallbacks.shift()){ | |
x(window.jQuery); | |
} | |
cognosJqFix.complete = true; | |
}); | |
} | |
},25); | |
}; | |
function loadScripts(urls, callback) { | |
var i = 0; | |
(function loadNextScript() { | |
if (i < urls.length) { | |
window.jQuery.getScript(urls[i]).done(function() { | |
++i; | |
loadNextScript(); | |
}); | |
}else if (callback) callback(); | |
})(); | |
} | |
//publish to window object | |
window.cognosJqFix = cognosJqFix; | |
}(window)); | |
</script> |
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