{{groovy}}
import java.io.StringReader
import java.util.HashMap
import com.xpn.xwiki.doc.XWikiAttachment
import groovy.xml.MarkupBuilder

def generateXmlForChildNode(nodeName, xmlBuilder)
{
    xmlBuilder.node(link:xwiki.getURL(nodeName, "view"), text:nodeName) {
        services.query.xwql("select distinct doc.web, doc.name, doc.parent from XWikiDocument as doc where doc.parent = :parent").bindValue("parent", nodeName).execute().each() {
            def docRef = services.model.createDocumentReference("", it[0], it[1])
            def serializedDocRef = services.model.serialize(docRef, "local")
            generateXmlForChildNode(serializedDocRef, xmlBuilder)
        }
    }
}

def generateMap(firstNodeName, xmlBuilder)
{
    xmlBuilder.map() {
        generateXmlForChildNode(firstNodeName, xmlBuilder)
    }
}

if (xwiki.hasAdminRights())
{
    println "[[Update the Map>>||queryString='update=1']]"

    if (request.update) {
        print "Start mindmap generation... "

        def writer = new StringWriter()
        def xmlBuilder = new MarkupBuilder(writer)
        generateMap("Main.WebHome", xmlBuilder)

        def attachmentName = "sitemap.mm"

        def attachment = doc.getDocument().getAttachment(attachmentName)
        if (!attachment)
        {
            attachment = doc.getDocument().addAttachment(attachmentName, writer.toString().getBytes(), xcontext.context)
        } else {
            attachment.setContent(writer.toString().getBytes())
        }
        doc.getDocument().saveAttachmentContent(attachment, xcontext.context)
        doc.save()

        println "done"
    }
}
{{/groovy}}

{{velocity}}
#if ($doc.attachmentList.size() > 0)
  {{html}}
  #mindmap("sitemap.mm" "100%" "500")
  {{/html}}
#end
{{/velocity}}