Adobe 38043740 - ColdFusion Standard - Mac Development Manual page 843

DEVELOPING COLDFUSION 9 APPLICATIONS
Requesting and Presenting Information
<cfcomponent output="false">
<cfset variables.dsn = "cfartgallery">
<!--- Function to populate the current level of the tree. --->
<cffunction name="getItems" returnType="array" output="false" access="remote">
<cfargument name="path" type="string" required="false" default="">
<cfargument name="value" type="string" required="false" default="">
<cfset var result = arrayNew(1)>
<cfset var q = "">
<cfset var s = "">
<!--- The cfif statements determine the tree level. --->
<!--- If there is no value argument, the tree is empty. Get the media types. --->
<cfif arguments.value is "">
<cfquery name="q" datasource="#variables.dsn#">
SELECT mediaid, mediatype
FROM media
</cfquery>
<cfloop query="q">
<cfset s = structNew()>
<cfset s.value = mediaid>
<cfset s.display = mediatype>
<cfset arrayAppend(result, s)>
</cfloop>
<!--- If the value argument has one list entry, it is a media type. Get the artists for
the media type.--->
<cfelseif listLen(arguments.value) is 1>
<cfquery name="q" datasource="#variables.dsn#">
SELECT artists.lastname, artists.firstname, artists.artistid
FROM art, artists
WHERE art.mediaid = <cfqueryparam cfsqltype="cf_sql_integer"
value="#arguments.value#">
AND art.artistid = artists.artistid
GROUP BY artists.artistid, artists.lastname, artists.firstname
</cfquery>
<cfloop query="q">
<cfset s = structNew()>
<cfset s.value = arguments.value & "," & artistid>
<cfset s.display = firstName & " " & lastname>
<cfset arrayAppend(result, s)>
</cfloop>
<!--- We only get here when populating an artist's works. --->
<cfelse>
<cfquery name="q" datasource="#variables.dsn#">
SELECT art.artid, art.artname, art.price, art.description,
art.largeimage, artists.lastname, artists.firstname
FROM art, artists
WHERE art.mediaid = <cfqueryparam cfsqltype="cf_sql_integer"
value="#listFirst(arguments.value)#">
AND art.artistid = artists.artistid
AND artists.artistid = <cfqueryparam cfsqltype="cf_sql_integer"
Last updated 1/20/2012
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