<script language="php">

$me = "index.php3"; //Must assign this global within functions.

require('./config.inc.php3');
require('./language.inc.php');
require('./lucid.inc.php3');
require('./changeNodeTextBox.php');
require('./binaryData.inc.php');



###################################################################
# MAIN
###################################################################


    $debugmessage = ""; // Clear debug message so functions can add to it.

    //Connect to the MySQL database once per page.
    //Must asssign $mysqlconnection as global in each function that uses it
    $mysqlconnection = mysql_pconnect($hostname,$username,$password);

    if ($mysqlconnection > 0) { // Connection established
        mysql_select_db($dbname);
    } else { // Connection to MySQL server failed
         DIE("Failed to connect to database");
    }


    
    if (!isset($NodeID)) { // No NodeID isssued to $me
        $NodeID = findlowestnode();
    }
    if (!isset($request)) { // No request issued to $me
        $request = "displaypage";
    }

    $displaypage = 1;
    $redirect    = 0;
    $mode = "view";
    $passthruText = "";

    switch($request) {
        case "changenodetext":
            $success = changenodetext($NodeID,$NodeText);
            $redirect = 1;
            break;
        case "appendnodetext":
            $success = changenodetext($NodeID,$NodeText, "append");
            $redirect = 1;
            break;
        case "addpin":
            $success = modifypins("add",$NodeID,$username);    
            break;
        case "removepin":
            $success = modifypins("remove",$NodeID,$username);
            break;
        case "findnode":
            $mode = "passthru";
            $passthruText = searchNodes($searchfor, $NodeID, $orderSTR, $dirSTR, $reportFormat);
            $success = 1;
            $displaypage = 1;
            break;
        case "deletenode":
            $success = deletenode($NodeID,$confirmation);
            if ($success > 0) { // Note that the first time this function is called it returnd
                        // a value of zero and puts a big confirmation form in the $debugmessage
                        // When the user selects yes, then deletenode is called again and the
                        // return value will show positive results
                $NodeID = findlowestnode();
            }
            break;
        case "exporttables":
            exporttables($exporttype);
            $sucess = 1;
            $displaypage = 0;
            break;
        case "exportXML":
            echo exportXML();
            $success = 1;
            $displaypage = 0;
            break;
        case "exportMySQLDump":
            echo exportMySQLDump();
            $success = 1;
            $displaypage = 0;
            break;
        case "modifylinks":
            $success = modifylinks($NodeID,$ReferenceType,$NodeTitle);
            if ($success > 0) { // Node added or link added
                $NodeID = $success; // go to the newly added link
                $mode = "edit";
            } elseif ($success < 0) { // Link removed
                $success = 1;
                
            } else { // failure
                $success = 0;
            }
            break;
        case "editnode":
            $success=1;
            $mode="edit";
            break;
        case "displaypage":
            $success=1;
            break;
        case "setlayout":
            $processresult = processLayoutForm($layouttype, $nodeID);
            echo $processresult;
            $success=1;
            $displaypage=0;
            break;
        case "getBinaryData":
            getBinaryData($dataID);
            $displaypage=0;
            $success=1;
            break;
        case "displayBinaryUploadForm":
            echo displayBinaryUploadForm($NodeID);
            $displaypage=0;
            $success=1;
            break;
        case "uploadBinaryFile":
            if ( uploadBinaryFile($form_data, $form_description, $form_data_name, $form_data_size, $form_data_type, $NodeID) ) { // File Uploaded
                $displaypage=1;
                $success=1;
                $redirect=1;
            } else { // Failed upload
                $displaypage=1;
                $success=0;
            }
            break;
        case "deleteAttachment":
            if ( deleteAttachment($dataID) ) { // Success
                $displaypage=1;
                $success=1;
                $redirect=1;
            } else { // Failed to delete attachment
                $displaypage=1;
                $success=0;
            }

        }




    if ($success > 0 and $displaypage > 0) {
        if ( $redirect == 0 ) { // Just show the page. Don't worry about the details in the location bar of the web browser.
            displaypage($NodeID,$mode,$passthruText);
        } else { // Redirect the page so the web browser location bar gets reset nicely.
            // this prevents problems with the back button showing post form data errors.
            header("Location: $me?request=displaypage&NodeID=$NodeID");        
        }


    } elseif ($success <= 0 and $displaypage > 0) { // Something's wrong
                            // Or this could be the deletenode confirmation dialogue
        echo $debugmessage;
    } else { // Success, but don't display the page (as directed above)
        if ( $redirect == 1 ) { // reset the title of the page to $me&request=displaynode&NodeID=$NodeID
            header("Location: $me?request=displaypage&NodeID=$NodeID");        
        }
    }

    // mysql_close($mysqlconnection);



</script>