<?php
//    $Id$

/**
 *    @file    guidebook-theme.module
 *    @desc    theme functions for the guidebook module
 */

/**
 *    implementation of hook_menu()
 */

function guidebook_menu()    {
    $items['guidebook'] = array(
        'title'                =>    'Guidebooks',
        'page callback'        =>    'guidebook_last',
        'access arguments'    =>    array('access content'),
        'type'                =>    MENU_SUGGESTED_ITEM,
    );
    $items['route']    =    array(
        'title'                =>    'Routes',
        'page callback'        =>    'route_last',
        'access arguments'    =>    array('access content'),
        'type'                =>    MENU_SUGGESTED_ITEM,
    );
    $items['admin/settings/guidebook']    =    array(
        'title'                =>    'Guidebook',
        'description'        =>    'Configuration options for Guidebook',
        'page callback'        =>    'drupal_get_form',
        'page arguments'    =>    array('guidebook_admin'),
        'access arguments'    =>    array('administer site configuration'),
        'type'                =>    MENU_NORMAL_ITEM,
        'file'                =>    'guidebook-admin.inc',
    );
    return $items;
}

/**
 *    implementation of hook_view()
 */

function guidebook_view(&$node, $teaser = false, $page = false)    {
    global $base_path;
    drupal_add_css(drupal_get_path('module', 'guidebook').'/guidebook.css');
    drupal_add_js(drupal_get_path('module', 'guidebook').'/guidebook.js');

    $node            =    node_prepare($node, $teaser);
    $default        =    $base_path.drupal_get_path('module', 'guidebook').'/default-'.$node->type.'.jpg';
    $image            =    _get_image_path($node->fid);
    $thumb            =    _get_image_thumbnail($image, 1);
    $node->image    =    is_file(file_directory_path().'/guidebook/'.basename($image) ) ? $image : $default;
    $node->thumb    =    is_file(file_directory_path().'/guidebook/'.basename($thumb) ) ? $thumb : $default;
    $function        =    '_'.$node->type.'_view';
    
    return $function($node, $teaser, $page);
}

/**
 *  implementation of hook_form()
 */

function guidebook_form(&$node) {
    drupal_add_js(drupal_get_path('module', 'guidebook').'/guidebook.js');
    drupal_add_css(drupal_get_path('module', 'guidebook').'/guidebook.css');
    $function    =    '_'.$node->type.'_form';
    return $function($node);
}

/**
 *    implementation of guidebook_view()
 */

function _guidebook_view(&$node, $teaser, $page)    {
    global $base_path;
    $query    =    "SELECT route.nid, node.title, difficulty, quality, teaser FROM {route} route
                LEFT JOIN {node} node ON route.nid = node.nid
                LEFT JOIN {node_revisions} revision ON route.nid = revision.nid
                WHERE gid = %d ORDER BY quality DESC";
    $result    =    db_query($query, $node->nid);
    $routes    =    array();
    $count    =    0;
    $zebra    =    0;
    while ($data = db_fetch_object($result) )    {
        $routes[$count]    =    (object) array(
            'nid'        =>    $data->nid,
            'title'        =>    check_plain($data->title),
            'difficulty'=>    _lookup('difficulty', $data->difficulty),
            'quality'    =>    _lookup('quality', $data->quality),
            'link'        =>    $base_path.'node/'.$data->nid,
            'zebra'        =>    $zebra ? "even" : "odd",
            'content'    =>    check_markup($data->teaser),
        );
        $zebra    =    $zebra ? 0 : 1;
        $count++;
    }

    $node->routes    =    $routes;

    if ($page)    {
        drupal_set_breadcrumb(
            array(
                l(t('Home'), null),
                l(t('Guidebooks'), 'guidebook'),
            )
        );
    }
    return $node;
}

/**
 *    implementation of route_view()
 */

function _route_view(&$node, $teaser, $page)    {
    global $base_path;
    $query                =    "SELECT title FROM {node}
                            WHERE nid = %d";
    $guide                =    db_fetch_object(db_query($query, $node->gid) );
    $node->quality        =    _lookup('quality', $node->quality);
    $node->difficulty    =    _lookup('difficulty', $node->difficulty);
    $node->guidebook    =    check_plain($guide->title);
    $node->link         =    $base_path.'node/'.$node->gid;
    
    if (!$teaser)    {
        drupal_set_html_head('<script type="text/javascript" src="http://maps.google.com/maps?file=api&amp;v=2&amp;key='.variable_get('guidebook_gmaps_api', "NO-KEY-SET").'"></script>');
        drupal_set_breadcrumb(
            array(
                l(t('Home'), null),
                l(t('All Routes'), 'route'),
                l(t("@name", array('@name' => $guide->title) ), 'node/'.$node->gid),
            )
        );
    }
    return $node;
}

/**
 *    show last x number of routes
 */

function route_last()    {
    $output    =    '';
    $total    =    variable_get('default_nodes_main', 10);
    $toggle    =    false;
    $query    =    "SELECT node.nid, created, title, route.fid, route.gid FROM {node} node
                LEFT JOIN {route} route ON route.nid = node.nid
                LEFT JOIN {files} files ON route.fid = files.fid
                WHERE node.type = 'route' AND node.status = 1
                ORDER BY node.sticky DESC, node.created DESC";
    $result    =    pager_query(db_rewrite_sql($query, total) );
    while ($node = db_fetch_object($result) )    {
        $output    .=    node_view(node_load($node->nid), true);
        $toggle    =    true;
    }
    
    if ($toggle)    {
        $output    .=    theme('pager', null, $total);
    } else {
        drupal_set_message(t('No routes have been created yet.') );
    }
    return $output;
}

/**
 *    show last x number of guidebooks
 */

function guidebook_last()    {
    $output    =    '';
    $total    =    variable_get('default_nodes_main', 10);
    $toggle    =    false;
    $query    =    "SELECT node.nid, created, title, guidebook.fid FROM {node} node
                LEFT JOIN {guidebook} guidebook ON guidebook.nid = node.nid
                LEFT JOIN {files} files ON guidebook.fid = files.fid
                WHERE node.type = 'guidebook' AND node.status = 1
                ORDER BY node.sticky DESC, node.created DESC";
    $result    =    pager_query(db_rewrite_sql($query, $total) );
    while ($node = db_fetch_object($result) )    {
        $output .= node_view(node_load($node->nid), true);
        $toggle = true;
    }
    
    if ($toggle)    {
        $output    .=    theme('pager', null, $total);
    } else {
        drupal_set_message(t('No guidebooks have been created yet.') );
    }
    return $output;
}

/**
 *  implementation of guidebook_form()
 */

function _guidebook_form(&$node)    {
    $limit  =   round(file_upload_max_size() / 1024000, 1);

    $form['title']  =   array(
        '#type'             =>  'textfield',
        '#title'            =>  t('Title'),
        '#required'         =>  true,
        '#default_value'    =>  $node->title,
        '#maxlength'        =>  255,
    );
    if ($node->fid)    {
        $form['fid']    =    array(
            '#type'        =>    'hidden',
            '#value'    =>    $node->fid,
        );
        $form['current_image']    =    array(
            '#type'        =>    'markup',
            '#value'    =>    '<img src="'._get_image_thumbnail(_get_image_path($node->fid) ).'" />',
        );
        $form['remove_image']    =    array(
            '#type'            =>    'checkbox',
            '#title'        =>    t('Disable Image'),
            '#description'    =>    t('Check to disable image. (Will also delete existing image.)'),
            '#default_value'=>    0,
        );
    }
    $form['image']  =   array(
        '#type'         =>  'file',
        '#title'        =>  t('Cover Image'),
        '#description'  =>  t('Upload limit: @limitmb', array('@limit' => $limit) ),
    );
    $form['body_filter']['body']    =   array(
        '#type'             =>  'textarea',
        '#title'            =>  t('Description'),
        '#default_value'    =>  $node->body,
        '#rows'             =>  7,
        '#required'         =>  true,
    );
    $form['body_filter']['filter']  =   filter_form($node->format);
    return $form;
}

/**
 *  implementation of route_form()
 */

function _route_form(&$node)    {
    $query    =    "SELECT nid, title FROM {node} WHERE type = 'guidebook'";
    $result    =    db_query(db_rewrite_sql($query) );
    $guides    =    array(t('-- Please choose a guide --') );
    while ($data = db_fetch_object($result) )    {
        $guides[$data->nid]    =    check_plain($data->title);
    }
    if (count($guides) == 1)    {
        $error    =    t('You must first create a guidebook before you can create routes');
        drupal_set_message($error, 'warning');
        drupal_goto('node/add/guidebook');
    }

    $limit  =   round(file_upload_max_size() / 1024000, 1);

    $form['title']  =   array(
        '#type'             =>  'textfield',
        '#title'            =>  t('Name'),
        '#required'         =>  true,
        '#default_value'    =>  $node->title,
    );
    $form['gid']    =    array(
        '#type'                =>    'select',
        '#title'            =>    t('Guidebook'),
        '#default_value'    =>    $node->gid,
        '#required'            =>    true,
        '#options'            =>    $guides,
        '#description'        =>    t('Select the guidebook this route belongs to'),
    );
    if ($node->fid)    {
        $form['fid']    =    array(
            '#type'        =>    'hidden',
            '#value'    =>    $node->fid,
        );
        $form['current_image']    =    array(
            '#type'        =>    'markup',
            '#value'    =>    '<img src="'._get_image_thumbnail(_get_image_path($node->fid) ).'" />',
        );
        $form['remove_image']    =    array(
            '#type'            =>    'checkbox',
            '#title'        =>    t('Disable Image'),
            '#description'    =>    t('Check to disable image. (Will also delete existing image.)'),
            '#default_value'=>    0,
        );
    }
    $form['image']  =   array(
        '#type'         =>  'file',
        '#title'        =>  t('Image'),
        '#description'  =>  t('Upload limit: @limitmb', array('@limit' => $limit) ),
    );
    $form['difficulty'] =   array(
        '#type'             =>  'radios',
        '#title'            =>  t('Difficulty'),
        '#default_value'    =>  $node->difficulty,
        '#required'         =>  true,
        '#options'          =>  array(
            1   =>  '<img src="'._lookup('difficulty', 1).'" />',
            2   =>  '<img src="'._lookup('difficulty', 2).'" />',
            3   =>  '<img src="'._lookup('difficulty', 3).'" />',
            4   =>  '<img src="'._lookup('difficulty', 4).'" />',
        ),
        '#description'      =>  t('Please choose a difficulty level'),
    );
    $form['quality']    =   array(
        '#type'             =>  'radios',
        '#title'            =>  t('Quality'),
        '#default_value'    =>  $node->quality,
        '#required'         =>  true,
        '#options'          =>  array(
            1   =>  '<img src="'._lookup('quality', 1).'" />',
            2   =>  '<img src="'._lookup('quality', 2).'" />',
            3   =>  '<img src="'._lookup('quality', 3).'" />',
        ),
    );
    $form['latitude']    =   array(
        '#type'             =>  'textfield',
        '#title'            =>  t('Latitude'),
        '#required'         =>  true,
        '#default_value'    =>  $node->latitude,
        '#size'             =>  15,
    );
    $form['longitude']  =   array(
        '#type'             =>  'textfield',
        '#title'            =>  t('Longitude'),
        '#required'         =>  true,
        '#default_value'    =>  $node->longitude,
        '#size'             =>  15,
    );
    $form['body']['body']   =   array(
        '#type'             =>  'textarea',
        '#title'            =>  t('Beta'),
        '#required'         =>  true,
        '#rows'             =>  10,
        '#default_value'    =>  $node->body,
    );
    $form['body']['filter'] =   filter_form($node->format);
    $form['descent']['descent']   =   array(
        '#type'             =>  'textarea',
        '#title'            =>  t('Descent'),
        '#required'         =>  true,
        '#rows'             =>  10,
        '#default_value'    =>  $node->descent,
    );
    $form['descent']['filter'] =   filter_form($node->format);
    return $form;
}

/**
 *    implementation of template_theme_registry_alter()
 */

function guidebook_theme_registry_alter(&$registry)    {
    $node_path    =    array_shift($registry['node']['theme paths']);
    $new_path    =    drupal_get_path('module', 'guidebook');
    array_unshift($registry['node']['theme paths'], $node_path, $new_path);
}