/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| BI and PM: prmt
 *| (C) Copyright IBM Corp. 2002, 2014
 *|
 *| US Government Users Restricted Rights - Use, duplication or
 *| disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *|
 *+------------------------------------------------------------------------+
*/


/**
	@fileOverview Managing Reports.
	@constructor
*/
cognos.Report = new Class({});

/**
	@private
	@param {String} v_sNamespace? Current namespace
	@return {void}
*/
cognos.Report.prototype.f_initialize = function( v_sNamespace )
{
	var v_oPrompt = this.f_checkForGlobalObject( "G_PM", v_sNamespace );
	/**
		Reference to cognos.Prompt for this instance.
		@member
	*/
	this.prompt = (v_oPrompt ? v_oPrompt : new cognos.Prompt()); // use a new cognos.Prompt as default

	var v_oCV = this.f_checkForGlobalObject( "oCV", v_sNamespace );
	/**
		Reference to global CognosViewer
		@member
		@private
	*/
	this.m_oCV = ( v_oCV ? v_oCV : window.gCognosViewer ); // use window.gCognosViewer as default
	if (this.m_oCV) {
		this.m_oCV['CognosReport'] = this;
	}
};

/**
	@private
	@param {String} v_sPrefix Prefix for the object we are looking for in the 'window' scope.
	@param {String} v_sNamespace current namespace.
	@return {Object} Null if not found.
*/
cognos.Report.prototype.f_checkForGlobalObject = function( v_sPrefix, v_sNamespace )
{
	var v_oRef = null;
	// v_sNamespace is the fragment ID passed in.
	if ( window[v_sPrefix + v_sNamespace] ) {
		v_oRef = window[v_sPrefix + v_sNamespace];
	}
	// Default Namespace is _NS_
	else if ( window[v_sPrefix + "_NS_"] ) {
		v_oRef = window[v_sPrefix + "_NS_"];
	}
	// RS is the default namespace from ReportStudio
	else if ( window[v_sPrefix + "RS"] ) {
		v_oRef = window[v_sPrefix + "RS"];
	}
	// _THIS_ is the namespace holder
	else if ( window[v_sPrefix + "_THIS_"] ) {
		v_oRef = window[v_sPrefix + "_THIS_"];
	}
	// Maybe we don't have a namespace at all, use the global Viewer object
	else if ( window[v_sPrefix] ) {
		v_oRef = window[v_sPrefix];
	}
	return v_oRef;
}

/**
	Set up event callbacks for this report.
	Supported events: <tt>onBeforeSubmit</tt>
	@param {String} evt Can be <ul>
		<li><tt>onBeforeSubmit</tt>, before the request is set. Returning <tt>false</tt> will prevent the request to be sent.</li>
		<li><tt>onUpdate</tt>, triggered after a page is refreshed by the viewer.</li></ul>
	@param {function} fct The Javascript function used as callback.
	@return {void}
	@example Shows a message when the page is submittted: <br/>
		rprt.addEvent( "<tt>onBeforeSubmit</tt>", <tt>function() { alert("Sending your request. Please wait..."); return true; }</tt> );
*/
cognos.Report.prototype.addEvent = function(eAction) {};

/**
	Getter for a cognos.Report object. Namespaces are used to support fragments. You should always use this call to get a cognos.Report object with a proper namespace.
	@static
	@return {cognos.Report} The instance of cognos.Report for this namespace.
	@type cognos.Report
	@param {String} [sNamespace]
	@example <ul>
		<li>var oCR = cognos.Report.getReport( );</li>
		<li>var oCR = cognos.Report.getReport( "_THIS_" );</li>
	</ul>
*/
cognos.Report.getReport = function(sNamespace)
{
	return (new cognos.Report(sNamespace));
};

/**
	Sends a requests with the current parameters and values.
	@param {cognos.Report.Action} eAction One of the <code>cognos.Report.Action</code> enumeration values only.
	@return {void}
*/
cognos.Report.prototype.sendRequest = function(eAction)
{
	this.m_oCV.promptAction( eAction );
};