<?php
// $Id: content_slider.module,v 1.2 2009/01/10 19:22:22 ebizondrupalservices Exp $


/**
 * @file
 *  Display content in 'featured content' block using jQuery.
 */

/**
 * Implementation of hook_help().
 */
function content_slider_help($section) {
  switch ($section) {
    case 'admin/help#content_slider':
      $output = "The content_slider module: Display content and image in Slide show mode using jQuery.";
      return $output;

    case 'admin/modules#description':
      return 'The content_slider module: Display content and image in Slide show mode using jQuery.';
  }
}

/**
 * Implementation of hook_perm
 */
function content_slider_perm() {
  return array('access content_slider', 'administer content_slider');
}

function content_slider_menu() {
  $items = array();

    $items['admin/settings/content_slider'] = array(
    'title' => 'Content Slider',
    'description' => t('Setting Content Slider.'),
    'page callback' => 'drupal_get_form',
    'page arguments' => array('content_slider_admin_settings'),
    'access arguments' => array('administer site configuration'),
  );
   $items[] = array(
   'path' => 'content_slider/list/'. arg(2),
   'title' => t('Content Slider'),
   'page callback' => 'content_slider_page_list',
   'page arguments' => array(arg(2)),
   'access arguments' => array('access content_slider'),
   'type' => MENU_CALLBACK,
   );
  return $items;
}

function content_slider_admin_settings() {

  // only administrators can access this function
  // Generate the form - settings applying to all patterns first
  $form['content_slider_settings'] = array(
    '#type' => 'fieldset',
    '#weight' => -20,
    '#title' => t('Basic settings'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );

  $form['content_slider_settings']['content_slider_auto'] = array(
    '#type' => 'checkbox',
    '#title' => t('Auto rotate contents'),
    '#default_value' => variable_get('content_slider_auto', 1),
    '#description' => t("Display content without mouse click."),
    '#maxlength' => '1', '#size' => '1',
  );

  $form['content_slider_settings']['content_slider_speed'] = array(
    '#type' => 'textfield',
    '#title' => t('Glide animation duration (in milliseconds)'),
    '#default_value' => variable_get('content_slider_speed', 1000),
  );

  $form['content_slider_settings']['content_slider_direction'] = array(
    '#type' => 'textfield',
    '#title' => t('Set direction of glide'),
    '#default_value' => variable_get('content_slider_direction', 'leftright'),
    '#description' => 'Available value: "updown", "downup", "leftright", or "rightleft"',
  );

  // set direction of glide: "updown", "downup", "leftright", or "rightleft"'
  //$output_body .=  'direction: "downup",

  $form['content_slider_source'] = array(
    '#type' => 'fieldset',
    '#weight' => -20,
    '#title' => t('Slider content source (based on Drupal content-type)'),
    '#description' => t('Note: For Content Slider 3, please insert ID of nodequeue.'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );

  $form['content_slider_source']['content_slider_source_1'] = array(
    '#type' => 'textfield',
    '#title' => t('Content type for Slider 1'),
    '#default_value' => variable_get('content_slider_source_1', 'page'),
  );

  $form['content_slider_source']['content_slider_source_2'] = array(
    '#type' => 'textfield',
    '#title' => t('Content type for Slider 2'),
    '#default_value' => variable_get('content_slider_source_2', 'story'),
  );

  $form['content_slider_source']['content_slider_source_3'] = array(
    '#type' => 'textfield',
    '#title' => t('Nodequeue ID for Slider 3'),
    '#default_value' => variable_get('content_slider_source_3', '1'),
  );

  return system_settings_form($form);
}

/**
 * Implementation of hook_block().
 *
 */
function content_slider_block($op = 'list', $delta = 0) {
  $content_slider_auto = variable_get("content_slider_auto", 1);
  $content_slider_speed = variable_get("content_slider_speed", 1000);
  $content_slider_direction = variable_get("content_slider_direction", 'leftright');

  $content_slider_source_1 = variable_get("content_slider_source_1","page");
  $content_slider_source_2 = variable_get("content_slider_source_2","story");
  $content_slider_source_3 = variable_get("content_slider_source_3","featured");

  global $base_url;
  $ajax_base_path = $base_url;

  if ($op == 'list') {
    $blocks[0]['info'] = 'Content Slider 1';
    $blocks[1]['info'] = 'Content Slider 2';
    $blocks[2]['info'] = 'Content Slider 3';
    return $blocks;
  }

  if ($op == 'view') {

    global $base_url;

    drupal_add_css(drupal_get_path('module', 'content_slider') . '/contentslider.css');
    drupal_add_js(drupal_get_path('module', 'content_slider'). '/contentslider.js');       

    $output_body = "";
    //Text
    $output_head = ''."\n";
    $output_head .= '/***********************************************'."\n";
    $output_head .= '* Featured Content Slider script- (c) Dynamic Drive DHTML code library (www.dynamicdrive.com)'."\n";
    $output_head .= '* Visit http://www.dynamicDrive.com for hundreds of DHTML scripts'."\n";
    $output_head .= '* This notice must stay intact for legal use'."\n";
    $output_head .= '***********************************************/'."\n";
    //drupal_add_js($output_head,'inline');

    $slider_id = $delta + 1;
    switch ($delta) {
      case 0:
        $content_type = $content_slider_source_1;
        $block['subject'] = 'Content Slider 1';
        $block['content'] = outbody_of_block($content_type,$delta);
        break;

      case 1:
        $content_type = $content_slider_source_2;
        $block['subject'] = 'Content Slider 2';
        $block['content'] = outbody_of_block($content_type,$delta);

        break;

      case 2:
        $content_type = $content_slider_source_3;
        $block['subject'] = 'Content Slider 3';
        $block['content'] = outbody_of_block($content_type,$delta);

        break;
    }
    return $block;
  }
}
function outbody_of_block($content_type,$delta)
{
 $output_body = '';
  if ($delta == 2) {
    $results  = db_query(" SELECT nid FROM {nodequeue_nodes} WHERE qid = %d ORDER BY nid DESC LIMIT 5", $content_type);
    
  } else {
    $sql  = " SELECT n.nid, teaser FROM {node} n INNER JOIN {node_revisions} r ON n.nid=r.nid "." WHERE n.status=1 AND n.type='".$content_type."' ORDER BY n.changed DESC LIMIT 5";
    $results     = db_query($sql);
  }
    $output_body .= '<div id="slider'.$delta.'" class="sliderwrapper">'."\n";
    while ($data = db_fetch_object($results)) {
      $slider_nid = $data->nid;
      $output_body .= '<div class="contentdiv">'."\n";
      $output_body .= "<a href='".$base_url."/node/".$slider_nid."'>". node_view(node_load($data->nid), 1) ."</a>";
      if ($slider_nid == 1) {
        $output_body .= '<p></p><a href="javascript:featuredcontentslider.jumpTo(\'slider1\', 3)">';
      }
      $output_body .= '</div>';
    }
    $output_body .= '</div>';
    $output_body .= '<div id="paginate-slider'.$delta.'" class="pagination">'."\n";
    $output_body .= '</div>';

    $output_body .= '<script type="text/javascript">';

    $output_body .= 'featuredcontentslider.init({'."\n";
    $output_body .= 'id: "slider'.$delta.'",//id of main slider DIV'."\n";
    $output_body .= 'contentsource: ["inline", ""],  //Valid values: ["inline", ""] or ["ajax", "path_to_file"]'."\n";
    $output_body .= 'toc: "#increment",  //Valid values: "#increment", "markup", ["label1", "label2", etc]'."\n";
    $output_body .= 'nextprev: ["Previous", "Next"],  //labels for "prev" and "next" links. Set to "" to hide.'."\n";
    $output_body .= 'revealtype: "click", //Behavior of pagination links to reveal the slides: "click" or "mouseover"'."\n";
    $output_body .= 'enablefade: [true, 0.2],  //[true/false, fadedegree]'."\n";
    $output_body .= 'autorotate: [true, 3000],  //[true/false, pausetime]'."\n";
    $output_body .= 'onChange: function(previndex, curindex){  //event handler fired whenever script changes slide'."\n";
    $output_body .= '//previndex holds index of last slide viewed b4 current (1=1st slide, 2nd=2nd etc)'."\n";
    $output_body .= '//curindex holds index of currently shown slide (1=1st slide, 2nd=2nd etc)'."\n";
    $output_body .= '}';
    $output_body .= '})';

    $output_body .= '</script>';
     return  $output_body;

    //$output_body .= '</div>';
}

function content_slider_page_list($i) {
  $content_slider_item = variable_get("content_slider_item", 10);

  $dse_news_total = db_query(" SELECT count(*) AS total FROM {node} n WHERE n.type='slider".$i."' AND n.status=1");
  $row_news       = db_fetch_object($dse_news_total);
  $news_total     = $row_news->total;
  $sql_counts     = "SELECT $news_total";

  $sql = " SELECT n.nid, n.title, r.teaser FROM {node} n INNER JOIN {node_revisions} r ON r.nid = n.nid WHERE n.type = 'slider$i' AND n.status=1 ORDER BY n.created DESC";
  $sql = db_rewrite_sql($sql);

  $results = pager_query($sql, $content_slider_item, 0, $sql_counts);

  $output = "<div id='content_slider$i'>";

  while ($node = db_fetch_object($results)) {
    $output .= node_view(node_load($node->nid), 1);
  }

  $output .= theme('pager', NULL, $content_slider_item, 0);
  $output .= '</div>';

  return $output;
}