Serendipity Forums

Code: Select all

  {if $leftSidebarElements > 0}  {if $entry.properties.special_switch !="false"} <td id="serendipityLeftSideBar" valign="top">{serendipity_printSidebar side="left"}</td>  {/if}{/if}

Code: Select all

<?php
// CODE EXAMPLE:  How to save custom field variables within the serendipity "Edit/Create Entry" backend.
//                Any custom variables can later be queried inside the .tpl files through
//                  {if $entry.properties.special_switch == 'true'}...{/if}
// NOTE THAT THE PROPERTY IS ACCED *WITHOUT* the ep_ prefix! EP_ only comes from entryproperties.

// Helper function to get the variable content of a variable (TRUE/FALSE)
function helper_get_value($special_key, &$eventData) {
    global $serendipity;
    $value = (isset($eventData['properties'][$special_key]) && serendipity_db_bool($eventData['properties'][$special_key]))
            || (isset($serendipity['POST']['properties'][$special_key]) && serendipity_db_bool($serendipity['POST']['properties'][$special_key]))
            ? true
            : false;

    return $value;
}

// Helper function to store form values into the serendipity database, so that they will be retrieved later.
function helper_store($special_key, $special_val, &$eventData) {
    global $serendipity;

    $q = "DELETE FROM {$serendipity['dbPrefix']}entryproperties WHERE entryid = " . (int)$eventData['id'] . " AND property = '" . serendipity_db_escape_string($special_key) . "'";
    serendipity_db_query($q);

    if (!empty($special_val)) {
        $q = "INSERT INTO {$serendipity['dbPrefix']}entryproperties (entryid, property, value) VALUES (" . (int)$eventData['id'] . ", '" . serendipity_db_escape_string($special_key) . "', '" . serendipity_db_escape_string($special_val) . "')";
        serendipity_db_query($q);
    }
}

function serendipity_plugin_api_pre_event_hook($event, &$bag, &$eventData, &$addData) {
    global $serendipity;

    // Check what Event is coming in, only react to those we want.
    switch($event) {

        // Displaying the backend entry section
        case 'backend_display':
            // INFO: The whole 'entryproperties' injection is easiest to store any data you want. The entryproperties plugin
            // should actually not even be required to do this, as serendipity loads all properties regardless of the installed plugin

            // The name of the variable
            $special_key = 'special_switch';

            // Check what our special key is set to (checks both POST data as well as the actual data)
            $is_special = helper_get_value($special_key, $eventData);


            // This is the actual HTML output on the backend screen.
            echo '<pre>' . print_r($eventData, true) . '</pre>';
            echo "Do you want this entry to be special? ";

            echo '<input type="radio" name="serendipity[properties][' . $special_key . ']" value="true" ' . ($is_special ? 'checked="checked"' : '') . ' id="' . $special_key . '_true">';
            echo '  <label for="' . $special_key . '_true">' . YES . '</label> ';

            echo '<input type="radio" name="serendipity[properties][' . $special_key . ']" value="false" ' . (!$is_special ? 'checked="checked"' : '')  . ' id="' . $special_key . '_false">';
            echo '  <label for="' . $special_key . '_false">' . NO . '</label> ';
            break;

        // To store the value of our entryproperties
        case 'backend_publish':
        case 'backend_save':

            // Call the helper function with all custom variables here.
            helper_store('special_switch', $serendipity['POST']['properties']['special_switch'], $eventData);
            break;
    }

}

?>