<?php
// $Id: pageear.admin.inc,v 1.15.2.5 2009-11-13 16:11:34 manfer Exp $

/**
* @file
* Admin page callbacks for pageear module.
*/

/**
* Menu callback for admin/build/pageear.
* List of pageears.
*/
function pageear_list_form($form) {

  $pageears = pageear_load();

  if (count($pageears)) {

    foreach ($pageears as $pageear) {
      $form['pageears'][$pageear->peid] = array(
        '#tree' => TRUE,
      );
      $form['pageears'][$pageear->peid]['peid'] = array(
        '#type' => 'hidden',
        '#value' => $pageear->peid,
      );
      $form['pageears'][$pageear->peid]['name'] = array(
        '#markup' => check_plain($pageear->name),
      );
      $form['pageears'][$pageear->peid]['link'] = array(
        '#markup' => check_plain($pageear->link),
      );
      $form['pageears'][$pageear->peid]['peel_position'] = array(
        '#markup' => pageear_get_options('peel_position', $pageear->peel_position),
      );
      $form['pageears'][$pageear->peid]['status'] = array(
        '#type' => 'checkbox',
        '#default_value' => (bool) (isset($form_state['pageears'][$pageear->peid]['status']) ? $form_state['pageears'][$pageear->peid]['status'] : $pageear->status),
      );
      $form['pageears'][$pageear->peid]['weight'] = array(
        '#type' => 'weight',
        '#delta' => 50,
        '#default_value' => isset($form_state['pageears'][$pageear->peid]['weight']) ? $form_state['pageears'][$pageear->peid]['weight'] : $pageear->weight,
      );
      $form['pageears'][$pageear->peid]['clone'] = array(
        '#markup' => l(t('clone'), 'admin/structure/pageear/'. $pageear->peid .'/clone'),
      );
      $form['pageears'][$pageear->peid]['edit'] = array(
        '#markup' => l(t('edit'), 'admin/structure/pageear/'. $pageear->peid .'/edit'),
      );
      $form['pageears'][$pageear->peid]['delete'] = array(
        '#markup' => l(t('delete'), 'admin/structure/pageear/'. $pageear->peid .'/delete'),
      );
    }

    $form['submit'] = array(
      '#type' => 'submit',
      '#value' => t('Save configuration'),
    );

  }
  else {
    $form['empty'] = array('#markup' => t('There are no pageears yet. !Add_new a pageear first.', array('!Add_new' => l(t('Add'), 'admin/structure/pageear/add'))));
  }

  return $form;
}

/**
* Theme: List of pageears.
*/
function theme_pageear_list_form($variables) {

  $form = $variables['form'];

  $header = array(
    t('Pageear'),
    t('Link'),
    t('Position'),
    array('data' => t('Enabled'), 'class' => array('checkbox')),
    t('Weight'),
    array('data' => t('Operations'), 'colspan' => '3'),
  );

  $pageears = array();

  foreach (element_children($form['pageears']) as $peid) {
    $form['pageears'][$peid]['weight']['#attributes']['class'] = array('pageear-weight');

    $pageears[] = array(
      'data' => array(
        drupal_render($form['pageears'][$peid]['name']),
        drupal_render($form['pageears'][$peid]['link']),
        drupal_render($form['pageears'][$peid]['peel_position']),
        array(
          'data' => drupal_render($form['pageears'][$peid]['status']),
          'class' => array('checkbox'),
        ),
        drupal_render($form['pageears'][$peid]['weight']),
        drupal_render($form['pageears'][$peid]['clone']),
        drupal_render($form['pageears'][$peid]['edit']),
        drupal_render($form['pageears'][$peid]['delete']),
      ),
      'class' => array('draggable'),
    );
  }

  $output = '';

  if (count($pageears)) {
    $output .= theme('table', array('header' => $header, 'rows' => $pageears, 'attributes' => array('id' => 'order-pageears')));
  }

  $output .= drupal_render_children($form);

  drupal_add_tabledrag('order-pageears', 'order', 'sibling', 'pageear-weight');

  return $output;
}

/**
* Submit: List of pageears.
*/
function pageear_list_form_submit($form, &$form_state) {

  $num_enabled_pageears = 0;

  // for each pageear update its status and its weight.
  foreach (element_children($form['pageears']) as $peid) {
    $pageear->peid   = $form['pageears'][$peid]['peid']['#value'];
    $pageear->weight = $form['pageears'][$peid]['weight']['#value'];
    $pageear->status = $form['pageears'][$peid]['status']['#value'];

    if ($pageear->status) {
      $num_enabled_pageears++;
    }

    drupal_write_record('pageears', $pageear, 'peid');
  }

  // Update the persistent variable numEnabledPageears that tracks number of pageears enabled
  variable_set('num_enabled_pageears', $num_enabled_pageears);

}

/**
* Menu callback; displays the pageear configuration form.
*
* Using the same form for three different operations ($op):
* - 'edit': edit an existing pageear (default)
* - 'add': add a new pageear
* - 'clone': clone an existing pageear
*/
function pageear_admin_edit($form, &$form_state, $pageear, $op = 'edit') {

  if ($op == 'add' || !$pageear->peid) {
    $pageear = pageear_get_default();
  }

  if ($op == 'clone') {
    $pageear->peid = 0;
  }

  // @todo All sliders css styles should not be inline. Create stylesheet file.

  $form = array();

  $form['#attributes'] = array('enctype' => "multipart/form-data");

  $form['peid'] = array(
    '#type' => 'value',
    '#value' => $pageear->peid,
  );

  // Info
  $form['info'] = array(
    '#type' => 'fieldset',
    '#title' => t('Pageear info'),
    '#collapsible' => TRUE,
  );

  $form['info']['status'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enable pageear'),
    '#default_value' => $pageear->status,
    '#description' => t('If this setting is enabled, the current pageear is shown on the configured pages (you can edit visibility settings below).'),
  );

  // previous status of this pageear before starting configuration
  $form['info']['previous_status'] = array(
    '#type' => 'hidden',
    '#value' => $pageear->status,
  );

  $form['info']['name'] = array(
    '#type' => 'textfield',
    '#title' => t('Pageear name'),
    '#default_value' => $pageear->name,
    '#required' => TRUE,
    '#maxlength' => 64,
    '#size' => 40,
  );
  // End Info

  // Details
  $form['details'] = array(
    '#type' => 'vertical_tabs',
    //'#title' => t('Pageear details'),
    //'#collapsible' => TRUE,
    //'#collapsed' => TRUE,
  );

  // Position settings.
  $form['details']['position_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Position Settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );

  // Set position of pageear ( topleft | topright | bottomleft | bottomright ).
  $form['details']['position_settings']['peel_position'] = array(
    '#type' => 'radios',
    '#title' => t('Corner'),
    '#description' => t('In what corner the ad will be displayed.'),
    '#options' => pageear_get_options('peel_position'),
    '#default_value' => $pageear->peel_position,
    '#required' => TRUE,
    '#attributes' => array('onclick' => 'checkPeelPosition()'),
  );

  // Disable absolute position model if pageear is set on bottom corner
  $peel_position_check_js = "function checkPeelPosition() {";
  $peel_position_check_js .= "(function($) {";
  $peel_position_check_js .= "if ($('#edit-peel-position-bottomleft').attr('checked') || $('#edit-peel-position-bottomright').attr('checked')) {";
  $peel_position_check_js .= "$('#edit-peel-position-model-absolute').attr('disabled', true);";
  $peel_position_check_js .= "$('#edit-peel-position-model-fixed').attr('checked', true);";
  $peel_position_check_js .= "} else {";
  $peel_position_check_js .= "$('#edit-peel-position-model-absolute').removeAttr('disabled');";
  $peel_position_check_js .= "}";
  $peel_position_check_js .= "}) (jQuery);";
  $peel_position_check_js .= "}";

  $form['details']['position_settings']['peel_position']['#attached']['js'][] = array(
    'data' => $peel_position_check_js,
    'type' => 'inline',
  );

  // Set position model of peageear ( absolute | fixed ).
  $form['details']['position_settings']['peel_position_model'] = array(
    '#type' => 'radios',
    '#title' => t('Position Model'),
    '#description' => t('The CSS Position model you would prefer to use.'),
    '#options' => pageear_get_options('peel_position_model'),
    '#default_value' => $pageear->peel_position_model,
    '#required' => TRUE,
  );

  $peel_position_model_ini_js = "(function($){\n";
  $peel_position_model_ini_js .= "$(document).ready(function() {\n";
  $peel_position_model_ini_js .= "if ($('#edit-peelPosition-bottomleft').attr('checked') || $('#edit-peelPosition-bottomright').attr('checked')) {\n";
  $peel_position_model_ini_js .= "$('#edit-peelPositionModel-absolute').attr('disabled', true);\n";
  $peel_position_model_ini_js .= "}\n";
  $peel_position_model_ini_js .= "});\n";
  $peel_position_model_ini_js .= "}) (jQuery);";

  $form['details']['position_settings']['peel_position_model']['#attached']['js'][] = array(
    'data' => $peel_position_model_ini_js,
    'type' => 'inline',
  );
  // End Position settings.


  // Wait settings.
  $form['details']['wait_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Wait Icon Settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );

  $form['details']['wait_settings']['wait_enable'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enable wait icon'),
    '#default_value' => $pageear->wait_enable,
    '#description' => t('If this setting is enabled, a wait icon will be displayed while pageear is loading.'),
  );

  // Set wait icon width
  $form['details']['wait_settings']['wait_width'] = array(
    '#type' => 'textfield',
    '#title' => t('Wait Icon Width'),
    '#required' => TRUE,
    '#default_value' => $pageear->wait_width,
    '#maxlength' => 3,
    '#size' => 8,
  );

  // Set wait icon height
  $form['details']['wait_settings']['wait_height'] = array(
    '#type' => 'textfield',
    '#title' => t('Wait Icon Height'),
    '#required' => TRUE,
    '#default_value' => $pageear->wait_height,
    '#maxlength' => 3,
    '#size' => 8,
  );

  // URL to wait icon.
  $form['details']['wait_settings']['wait_url'] = array(
    '#type' => 'item',
    '#title' => t('Wait icon'),
    '#markup' => check_plain($pageear->wait_url),
  );

  $form['details']['wait_settings']['wait_url_upload'] = array(
    '#type' => 'file',
    '#description' => t('Upload an image to show while pageear is loading (most common an animated GIF, Wait Icon Width x Wait Icon Height pixels).'),
    '#tree' => FALSE,
    '#size' => 40,
  );
  // End wait settings.


  // Style settings.
  $form['details']['style_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Style Settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );

  // Style of flag ('style1' | 'style2').
  $form['details']['style_settings']['flag_style'] = array(
    '#type' => 'select',
    '#title' => t('Flag Style'),
    '#options' => pageear_get_options('flag_style'),
    '#default_value' => $pageear->flag_style,
    '#required' => TRUE,
  );

  // Style of peel ('style1' | 'style2').
  $form['details']['style_settings']['peel_style'] = array(
    '#type' => 'select',
    '#title' => t('Peel Style'),
    '#options' => pageear_get_options('peel_style'),
    '#default_value' => $pageear->peel_style,
    '#required' => TRUE,
  );
  // End Style settings.


  // Size Settings.
  $form['details']['size_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Size Settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
    '#description' => t('Design sizes are 100x100px and 500x500px for flag and peel respectively. If you decide to use a custom size try to use logical values. For example it makes not sense to use a larger size for the flag than for the peel. For a further explanation refer to !pageear_size_manual.', array('!pageear_size_manual' => l(t('howto on home page'), 'http://www.pageeargpl.co.cc/content/size-settings', array('attributes' => array('target' => '_blank'))))),
  );

  // Set flag width
  $form['details']['size_settings']['flag_width'] = array(
    '#type' => 'textfield',
    '#title' => t('Flag Width'),
    '#required' => TRUE,
    '#default_value' => $pageear->flag_width,
    '#maxlength' => 4,
    '#size' => 8,
  );

  // Set flag height
  $form['details']['size_settings']['flag_height'] = array(
    '#type' => 'textfield',
    '#title' => t('Flag Height'),
    '#required' => TRUE,
    '#default_value' => $pageear->flag_height,
    '#maxlength' => 4,
    '#size' => 8,
  );

  // Set peel width
  $form['details']['size_settings']['peel_width'] = array(
    '#type' => 'textfield',
    '#title' => t('Peel Width'),
    '#required' => TRUE,
    '#default_value' => $pageear->peel_width,
    '#maxlength' => 5,
    '#size' => 8,
  );

  // Set peel height
  $form['details']['size_settings']['peel_height'] = array(
    '#type' => 'textfield',
    '#title' => t('Peel Height'),
    '#required' => TRUE,
    '#default_value' => $pageear->peel_height,
    '#maxlength' => 5,
    '#size' => 8,
  );
  // End Size settings.


  // Image Settings.
  $form['details']['image_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Image Settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );

  // URL to small image.
  $form['details']['image_settings']['small_url'] = array(
    '#type' => 'item',
    '#title' => t('Unpeeled image'),
    '#markup' => check_plain($pageear->small_url),
  );

  $form['details']['image_settings']['small_url_upload'] = array(
    '#type' => 'file',
    '#description' => t('Upload an image or flash movie to show when the ad is not peeled (JPG, GIF, PNG or SWF, Flag Width x Flag Height pixels).'),
    '#tree' => FALSE,
    '#size' => 40,
  );

  // URL to big image.
  $form['details']['image_settings']['big_url'] = array(
    '#type' => 'item',
    '#title' => t('Peeled image'),
    '#markup' => check_plain($pageear->big_url),
  );

  $form['details']['image_settings']['big_url_upload'] = array(
    '#type' => 'file',
    '#description' => t('Upload an image or flash movie to show when the ad is peeled (JPG, GIF, PNG or SWF, Peel Width x Peel Height pixels).'),
    '#tree' => FALSE,
    '#size' => 40,
  );

  // Mirror image ( true | false ).
  $form['details']['image_settings']['mirror'] = array(
    '#type' => 'checkbox',
    '#title' => t('Back mirror'),
    '#default_value' => $pageear->mirror,
    '#description' => t('Mirror the ad on the back of the peeled page.'),
  );

  // In Transition for pageear.
  $form['details']['image_settings']['in_transition'] = array(
    '#type' => 'select',
    '#title' => t('In Transition'),
    '#description' => t('In Transition for the pageear.'),
    '#options' => pageear_get_options('in_transition'),
    '#default_value' => $pageear->in_transition,
    '#required' => TRUE,
  );

  // Duration of in transition (1-9).
  $form['details']['image_settings']['transition_duration'] = array(
    '#type' => 'hidden',
  );

  $form['details']['image_settings']['transition_duration_slider'] = array(
    '#type' => 'item',
    '#title' => t('Transition Duration'),
    '#description' => t('Duration of in transition. (1-9)'),
    '#required' => TRUE,
    '#markup' => '<div style="width: 160px; margin-top:20px;" id="transition-duration-slider"><div style="position: absolute; margin-left: -3px; top: -24px; text-align:center;" id="transition-duration-callout"></div></div>',
  );

  $form['details']['image_settings']['transition_duration_slider']['#attached']['library'][] = array(
    'system',
    'ui.slider',
  );

  $transition_duration_slider_js = '(function($) { ';
  $transition_duration_slider_js .= '$(document).ready(function() { ';
  $transition_duration_slider_js .= '$("#edit-transition-duration").attr("value", '. $pageear->transition_duration .'); ';
  $transition_duration_slider_js .= '$("#transition-duration-slider").slider(';
  $transition_duration_slider_js .= '{ animate: true, ';
  $transition_duration_slider_js .= 'min: 1, ';
  $transition_duration_slider_js .= 'max: 9, ';
  $transition_duration_slider_js .= 'value: '. $pageear->transition_duration .', ';
  $transition_duration_slider_js .= 'start: function(event, ui) { $("#transition-duration-callout").fadeIn("fast"); }, ';
  $transition_duration_slider_js .= 'stop: function(event, ui) { $("#transition-duration-callout").fadeOut("fast"); }, ';
  $transition_duration_slider_js .= 'slide: function(event, ui) { $("#edit-transition-duration").attr("value", ui.value); $("#transition-duration-callout").css("left", (ui.value - 1)*160/8).text(ui.value); } ';
  $transition_duration_slider_js .= '}); ';
  $transition_duration_slider_js .= '}); ';
  $transition_duration_slider_js .= '}) (jQuery);';

  $form['details']['image_settings']['transition_duration_slider']['#attached']['js'][] = array(
    'data' => $transition_duration_slider_js,
    'type' => 'inline',
  );

  // Style of peel back color.
  $form['details']['image_settings']['peel_color_style'] = array(
    '#type' => 'radios',
    '#title' => t('Back color style'),
    '#description' => t('Choose a flat or gradient color for the back of the peel.'),
    '#options' => pageear_get_options('peel_color_style'),
    '#default_value' => $pageear->peel_color_style,
    '#required' => TRUE,
  );

  // Color of peel back.
  $form['details']['image_settings']['peel_color'] = array(
    '#type' => 'radios',
    '#title' => t('Back color'),
    '#description' => t('This color will be used on the back of peel.'),
    '#options' => pageear_get_options('peel_color'),
    '#default_value' => $pageear->peel_color,
    '#required' => TRUE,
  );

  // Custom color.
  $form['details']['image_settings']['custom_color'] = array(
    '#type' => 'fieldset',
    '#title' => t('Custom Color'),
    '#collapsible' => TRUE,
  );

  // Custom Color on Peel.
  $form['details']['image_settings']['custom_color'] = array(
    '#type' => 'textfield',
    '#title' => t('Custom Color'),
    '#required' => TRUE,
    '#prefix' => '<div id="pageear-customcolor-picker"></div>',
    '#default_value' => rgb2hex($pageear->red_value, $pageear->green_value, $pageear->blue_value),
    '#maxlength' => 7,
    '#size' => 8,
  );

  $form['details']['image_settings']['custom_color']['#attached']['library'][] = array(
    'system',
    'farbtastic',
  );

  $form['details']['image_settings']['custom_color']['#attached']['js'][] = array(
    'data' => '(function($) { $(document).ready(function() { $("#pageear-customcolor-picker").farbtastic("#edit-custom-color"); }); }) (jQuery);',
    'type' => 'inline',
  );

  // Red Value for Custom Color Peel.
  $form['details']['image_settings']['red_value'] = array(
    '#type' => 'hidden',
    '#value' => $pageear->red_value,
  );

  // Green Value for Custom Color Peel.
  $form['details']['image_settings']['green_value'] = array(
    '#type' => 'hidden',
    '#value' => $pageear->green_value,
  );

  // Blue Value for Custom Color Peel.
  $form['details']['image_settings']['blue_value'] = array(
    '#type' => 'hidden',
    '#value' => $pageear->blue_value,
  );
  // End Image Settings.


  // Sound Settings.
  $form['details']['sound_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Sound Settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );

  // URL to onload sound.
  $form['details']['sound_settings']['load_sound_url'] = array(
    '#type' => 'item',
    '#title' => t('Onload Sound'),
    '#markup' => check_plain($pageear->load_sound_url),
  );

  $form['details']['sound_settings']['load_sound_url_upload'] = array(
    '#type' => 'file',
    '#description' => t('Upload an mp3 file to play when the ad is loaded.'),
    '#tree' => FALSE,
    '#size' => 40,
  );

  if ($pageear->load_sound_url != "") {
    $form['details']['sound_settings']['load_sound_remove'] = array(
      '#type' => 'checkbox',
      '#default_value' => 0,
      '#description' => t('Check this box if you want to remove load sound.'),
    );
  }

  // URL to open peel sound.
  $form['details']['sound_settings']['open_sound_url'] = array(
    '#type' => 'item',
    '#title' => t('Open Peel Sound'),
    '#markup' => check_plain($pageear->open_sound_url),
  );

  $form['details']['sound_settings']['open_sound_url_upload'] = array(
    '#type' => 'file',
    '#description' => t('Upload an mp3 file to play when the peel is opened.'),
    '#tree' => FALSE,
    '#size' => 40,
  );

  if ($pageear->open_sound_url != "") {
    $form['details']['sound_settings']['open_sound_remove'] = array(
      '#type' => 'checkbox',
      '#default_value' => 0,
      '#description' => t('Check this box if you want to remove open sound.'),
    );
  }

  // URL to close peel sound.
  $form['details']['sound_settings']['close_sound_url'] = array(
    '#type' => 'item',
    '#title' => t('Close Peel Sound'),
    '#markup' => check_plain($pageear->close_sound_url),
  );

  $form['details']['sound_settings']['close_sound_url_upload'] = array(
    '#type' => 'file',
    '#description' => t('Upload an mp3 file to play when the peel is closed.'),
    '#tree' => FALSE,
    '#size' => 40,
  );

  if ($pageear->close_sound_url != "") {
    $form['details']['sound_settings']['close_sound_remove'] = array(
      '#type' => 'checkbox',
      '#default_value' => 0,
      '#description' => t('Check this box if you want to remove close sound.'),
    );
  }
  // End Sound Settings.


   // Linking Settings.
  $form['details']['linking_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('URL Settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );

  // Link Enable ( true | false ).
  $form['details']['linking_settings']['link_enable'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enabled'),
    '#default_value' => $pageear->link_enable,
    '#description' => t('Enable or disable the link.'),
  );

  // URL to open on pageear click.
  $form['details']['linking_settings']['link'] = array(
    '#type' => 'textfield',
    '#title' => t('URL'),
    '#description' => t('URL to go when user click on the ad.'),
    '#required' => TRUE,
    '#default_value' => $pageear->link,
    '#size' => 40,
  );

  // Browser target (new) or self (self).
  $form['details']['linking_settings']['link_target'] = array(
    '#type' => 'radios',
    '#title' => t('URL target'),
    '#description' => t('Where to open the URL.'),
    '#options' => pageear_get_options('link_target'),
    '#default_value' => $pageear->link_target,
    '#required' => TRUE,
  );
  //End Linking Settings.


  // Motion Settings.
  $form['details']['motion_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Motion Settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );

  // Speed of flag movement (1-9).
  $form['details']['motion_settings']['flag_speed'] = array(
    '#type' => 'hidden',
  );

  $form['details']['motion_settings']['flag_speed_slider'] = array(
    '#type' => 'item',
    '#title' => t('Flag motion speed'),
    '#description' => t('Speed for flag motion. (1-9)'),
    '#required' => TRUE,
    '#markup' => '<div style="width: 160px; margin-top:20px;" id="flag-speed-slider"><div style="position: absolute; margin-left: -3px; top: -24px; text-align:center;" id="flag-speed-callout"></div></div>',
  );

  $form['details']['motion_settings']['flag_speed_slider']['#attached']['library'][] = array(
    'system',
    'ui.slider',
  );

  $flag_speed_slider_js = '(function($) { ';
  $flag_speed_slider_js .= '$(document).ready(function() { ';
  $flag_speed_slider_js .= '$("#edit-flag-speed").attr("value", '. $pageear->flag_speed .'); ';
  $flag_speed_slider_js .= '$("#flag-speed-slider").slider(';
  $flag_speed_slider_js .= '{ animate: true, ';
  $flag_speed_slider_js .= 'min: 1, ';
  $flag_speed_slider_js .= 'max: 9, ';
  $flag_speed_slider_js .= 'value: '. $pageear->flag_speed .', ';
  $flag_speed_slider_js .= 'start: function(event, ui) { $("#flag-speed-callout").fadeIn("fast"); }, ';
  $flag_speed_slider_js .= 'stop: function(event, ui) { $("#flag-speed-callout").fadeOut("fast"); }, ';
  $flag_speed_slider_js .= 'slide: function(event, ui) { $("#edit-flag-speed").attr("value", ui.value); $("#flag-speed-callout").css("left", (ui.value - 1)*160/8).text(ui.value); } ';
  $flag_speed_slider_js .= '}); ';
  $flag_speed_slider_js .= '}); ';
  $flag_speed_slider_js .= '}) (jQuery);';

  $form['details']['motion_settings']['flag_speed_slider']['#attached']['js'][] = array(
    'data' => $flag_speed_slider_js,
    'type' => 'inline',
  );

  // Speed of peel movement (1-9).
  $form['details']['motion_settings']['peel_speed'] = array(
    '#type' => 'hidden',
  );

  $form['details']['motion_settings']['peel_speed_slider'] = array(
    '#type' => 'item',
    '#title' => t('Peel motion speed'),
    '#description' => t('Speed for peel motion. (1-9)'),
    '#required' => TRUE,
    '#markup' => '<div style="width: 160px; margin-top:20px;" id="peel-speed-slider"><div style="position: absolute; margin-left: -3px; top: -24px; text-align:center;" id="peel-speed-callout"></div></div>',
  );

  $form['details']['motion_settings']['peel_speed_slider']['#attached']['library'][] = array(
    'system',
    'ui.slider',
  );

  $peel_speed_slider_js = '(function($) { ';
  $peel_speed_slider_js .= '$(document).ready(function() { ';
  $peel_speed_slider_js .= '$("#edit-peel-speed").attr("value", '. $pageear->peel_speed .'); ';
  $peel_speed_slider_js .= '$("#peel-speed-slider").slider(';
  $peel_speed_slider_js .= '{ animate: true, ';
  $peel_speed_slider_js .= 'min: 1, ';
  $peel_speed_slider_js .= 'max: 9, ';
  $peel_speed_slider_js .= 'value: '. $pageear->peel_speed .', ';
  $peel_speed_slider_js .= 'start: function(event, ui) { $("#peel-speed-callout").fadeIn("fast"); }, ';
  $peel_speed_slider_js .= 'stop: function(event, ui) { $("#peel-speed-callout").fadeOut("fast"); }, ';
  $peel_speed_slider_js .= 'slide: function(event, ui) { $("#edit-peel-speed").attr("value", ui.value); $("#peel-speed-callout").css("left", (ui.value - 1)*160/8).text(ui.value); } ';
  $peel_speed_slider_js .= '}); ';
  $peel_speed_slider_js .= '}); ';
  $peel_speed_slider_js .= '}) (jQuery);';

  $form['details']['motion_settings']['peel_speed_slider']['#attached']['js'][] = array(
    'data' => $peel_speed_slider_js,
    'type' => 'inline',
  );

  // Opens pageear automaticaly after configured seconds.
  $form['details']['motion_settings']['automatic_open'] = array(
    '#type' => 'textfield',
    '#title' => t('Automatically peel on load'),
    '#description' => t('Unpeel automatically when the page loads after configured seconds. 0 means no automatically open.'),
    '#required' => TRUE,
    '#field_prefix' => '<div style="width: 500px; margin:50px 0 10px 0;" id="automatic-open-slider"><div style="position: absolute; background: url(/'. drupal_get_path('module', 'pageear') .'/callout.png) no-repeat; height:50px; width:50px; overflow:hidden; margin-left: -4px; padding:13px 0 0 0; top: -55px; font-weight: bold; text-align:center;" id="automatic-open-callout"></div></div>',
    '#default_value' => $pageear->automatic_open,
    '#maxlength' => 3,
    '#size' => 8,
  );

  $form['details']['motion_settings']['automatic_open']['#attached']['library'][] = array(
    'system',
    'ui.slider',
  );

  $automatic_open_slider_js = '(function($) { ';
  $automatic_open_slider_js .= '$(document).ready(function() { ';
  $automatic_open_slider_js .= '$("#edit-automatic-open").keyup(function(event) { if (!isNaN(parseInt($("#edit-automatic-open").attr("value")))) { $("#automatic-open-slider").slider("value", $("#edit-automatic-open").attr("value")); } else { if ($("#edit-automatic-open").attr("value") != "") { $("#edit-automatic-open").attr("value", $("#automatic-open-slider").slider("value")); } } }); ';
  $automatic_open_slider_js .= '$("#edit-automatic-open").change(function(event) { if ($("#edit-automatic-open").attr("value") == "") { $("#edit-automatic-open").attr("value", 0); $("#automatic-open-slider").slider("value", 0); } } ); ';
  $automatic_open_slider_js .= '$("#automatic-open-callout").hide(); ';
  $automatic_open_slider_js .= '$("#automatic-open-slider").slider(';
  $automatic_open_slider_js .= '{ animate: true, ';
  $automatic_open_slider_js .= 'min: 0, ';
  $automatic_open_slider_js .= 'max: 999, ';
  $automatic_open_slider_js .= 'value: $("#edit-automatic-open").attr("value"), ';
  $automatic_open_slider_js .= 'start: function(event, ui) { $("#automatic-open-callout").fadeIn("fast"); }, ';
  $automatic_open_slider_js .= 'stop: function(event, ui) { $("#automatic-open-callout").fadeOut("fast"); }, ';
  $automatic_open_slider_js .= 'slide: function(event, ui) { $("#edit-automatic-open").attr("value", ui.value); $("#automatic-open-callout").css("left", ui.value*500/1000).text(ui.value); } ';
  $automatic_open_slider_js .= '}); ';
  $automatic_open_slider_js .= '}); ';
  $automatic_open_slider_js .= '}) (jQuery);';

  $form['details']['motion_settings']['automatic_open']['#attached']['js'][] = array(
    'data' => $automatic_open_slider_js,
    'type' => 'inline',
  );

  // Seconds until pageear close after automatically open.
  $form['details']['motion_settings']['automatic_close'] = array(
    '#type' => 'textfield',
    '#title' => t('Automatically unpeel'),
    '#description' => t('Automatically close after unpeeling after configured seconds. 0 means no automatically unpeel.'),
    '#required' => TRUE,
    '#field_prefix' => '<div style="width: 500px; margin:50px 0 10px 0;" id="automatic-close-slider"><div style="position: absolute; background: url(/'. drupal_get_path('module', 'pageear') .'/callout.png) no-repeat; height:50px; width:50px; overflow:hidden; margin-left: -4px; padding:13px 0 0 0; top: -55px; font-weight: bold; text-align:center;" id="automatic-close-callout"></div></div>',
    '#default_value' => $pageear->automatic_close,
    '#maxlength' => 3,
    '#size' => 8,
  );

  $form['details']['motion_settings']['automatic_close']['#attached']['library'][] = array(
    'system',
    'ui.slider',
  );

  $automatic_close_slider_js = '(function($) { ';
  $automatic_close_slider_js .= '$(document).ready(function() { ';
  $automatic_close_slider_js .= '$("#edit-automatic-close").keyup(function(event) { if (!isNaN(parseInt($("#edit-automatic-close").attr("value")))) { $("#automatic-close-slider").slider("value", $("#edit-automatic-close").attr("value")); } else { if ($("#edit-automatic-close").attr("value") != "") { $("#edit-automatic-close").attr("value", $("#automatic-close-slider").slider("value")); } } }); ';
  $automatic_close_slider_js .= '$("#edit-automatic-close").change(function(event) { if ($("#edit-automatic-close").attr("value") == "") { $("#edit-automatic-close").attr("value", 0); $("#automatic-close-slider").slider("value", 0); } } ); ';
  $automatic_close_slider_js .= '$("#automatic-close-callout").hide(); ';
  $automatic_close_slider_js .= '$("#automatic-close-slider").slider(';
  $automatic_close_slider_js .= '{ animate: true, ';
  $automatic_close_slider_js .= 'min: 0, ';
  $automatic_close_slider_js .= 'max: 999, ';
  $automatic_close_slider_js .= 'value: $("#edit-automatic-close").attr("value"), ';
  $automatic_close_slider_js .= 'start: function(event, ui) { $("#automatic-close-callout").fadeIn("fast"); }, ';
  $automatic_close_slider_js .= 'stop: function(event, ui) { $("#automatic-close-callout").fadeOut("fast"); }, ';
  $automatic_close_slider_js .= 'slide: function(event, ui) { $("#edit-automatic-close").attr("value", ui.value); $("#automatic-close-callout").css("left", ui.value*500/1000).text(ui.value); } ';
  $automatic_close_slider_js .= '}); ';
  $automatic_close_slider_js .= '}); ';
  $automatic_close_slider_js .= '}) (jQuery);';

  $form['details']['motion_settings']['automatic_close']['#attached']['js'][] = array(
    'data' => $automatic_close_slider_js,
    'type' => 'inline',
  );
  // End Motion Settings.


  // Close button settings.
  $form['details']['closebutton_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Close Button Settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );

  // Clickable button on open peel ( true | false ).
  $form['details']['closebutton_settings']['close_button_enable'] = array(
    '#type' => 'checkbox',
    '#title' => t('Close Button'),
    '#default_value' => $pageear->close_button_enable,
    '#description' => t('Show a close button on open peel. If this is enabled the peel will not close on mouse out. Users must click button to close peel.'),
  );

  // Text on close button.
  $form['details']['closebutton_settings']['text_on_close_button'] = array(
    '#type' => 'textfield',
    '#title' => t('Close Button Text'),
    '#description' => t('Text on clickable close button.'),
    '#required' => TRUE,
    '#default_value' => $pageear->text_on_close_button,
    '#maxlength' => 20,
    '#size' => 40,
  );

  // Close Button Color.
  $form['details']['closebutton_settings']['close_button_color'] = array(
    '#type' => 'textfield',
    '#title' => t('Close Button Color'),
    '#required' => TRUE,
    '#prefix' => '<div id="pageear-closebuttoncolor-picker"></div>',
    '#default_value' => rgb2hex($pageear->close_red_value, $pageear->close_green_value, $pageear->close_blue_value),
    '#maxlength' => 7,
    '#size' => 8,
  );

  $form['details']['closebutton_settings']['close_button_color']['#attached']['library'][] = array(
    'system',
    'farbtastic',
  );

  $form['details']['closebutton_settings']['close_button_color']['#attached']['js'][] = array(
    'data' => '(function($) { $(document).ready(function() { $("#pageear-closebuttoncolor-picker").farbtastic("#edit-close-button-color"); }); }) (jQuery);',
    'type' => 'inline',
  );

  // Close Button Color Red Value.
  $form['details']['closebutton_settings']['close_red_value'] = array(
    '#type' => 'hidden',
    '#value' => $pageear->close_red_value,
  );

  // Close Button Color Green Value.
  $form['details']['closebutton_settings']['close_green_value'] = array(
    '#type' => 'hidden',
    '#value' => $pageear->close_green_value,
  );

  // Close Button Color Blue Value.
  $form['details']['closebutton_settings']['close_blue_value'] = array(
    '#type' => 'hidden',
    '#value' => $pageear->close_blue_value,
  );
  // End Close Button Settings.


  // Visibility settings.
  $form['visibility_settings'] = array(
    '#type' => 'vertical_tabs',
    //'#type' => 'fieldset',
    //'#title' => t('Pageear visibility settings'),
    //'#collapsible' => TRUE,
    //'#collapsed' => TRUE,
  );

  // Language-based visibility settings - only visible if 'locale' module enabled
  if (module_exists('locale')) {
    $form['visibility_settings']['language_vis_settings'] = array(
      '#type' => 'fieldset',
      '#title' => t('Language specific visibility settings'),
      '#collapsible' => TRUE,
      '#collapsed' => TRUE,
    );
    $language_options = locale_language_list('name');
    $form['visibility_settings']['language_vis_settings']['languages'] = array(
      '#type' => 'checkboxes',
      '#title' => t('Show pageear for specific languages'),
      '#options' => $language_options,
      '#default_value' => explode(',', $pageear->languages),
      '#description' => t('Show the pageear only for the selected language(s). If you select no languages, the pageear will be visible for all languages.'),
    );
  }

  // Role-based visibility settings (mostly borrowed from 'block.admin.inc')
  $result = db_query('SELECT rid, name FROM {role} ORDER BY name');
  $role_options = array();
  foreach ($result as $role) {
    $role_options[$role->rid] = $role->name;
  }
  $form['visibility_settings']['roles_vis_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Role specific visibility settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );
  $form['visibility_settings']['roles_vis_settings']['roles'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Show pageear for specific roles'),
    '#options' => $role_options,
    '#default_value' => explode(',', $pageear->roles),
    '#description' => t('Show the pageear only for the selected role(s). If you select no roles, the pageear will be visible to all users.'),
  );

  // Page visibility settings
  $form['visibility_settings']['page_vis_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Page specific visibility settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );
  $access = user_access('use PHP for settings');

  if ($pageear->visibility == 2 && !$access) {
    $form['visibility_settings']['page_vis_settings'] = array();
    $form['visibility_settings']['page_vis_settings']['visibility'] = array(
      '#type' => 'value',
      '#value' => 2,
    );
    $form['visibility_settings']['page_vis_settings']['pages'] = array(
      '#type' => 'value',
      '#value' => $pageear->pages,
    );
  }
  else {
    $options = array(t('Show on every page except the listed pages.'), t('Show on only the listed pages.'));
    $description = t("Enter one page per line as Drupal paths. The '*' character is a wildcard. Example paths are %blog for the blog page and %blog-wildcard for every personal blog. %front is the front page.", array('%blog' => 'blog', '%blog-wildcard' => 'blog/*', '%front' => '<front>'));

    if ($access) {
      $options[] = t('Show if the following PHP code returns <code>TRUE</code> (PHP-mode, experts only).');
      $description .= ' '. t('If the PHP-mode is chosen, enter PHP code between %php. Note that executing incorrect PHP-code can break your Drupal site.', array('%php' => '<?php ?>'));
    }
    $form['visibility_settings']['page_vis_settings']['visibility'] = array(
      '#type' => 'radios',
      '#title' => t('Show pageear on specific pages'),
      '#options' => $options,
      '#default_value' => $pageear->visibility,
    );
    $form['visibility_settings']['page_vis_settings']['pages'] = array(
      '#type' => 'textarea',
      '#title' => t('Pages'),
      '#default_value' => $pageear->pages,
      '#description' => $description,
    );
  }


  if ($op == 'edit') {
    $form['submit'] = array(
      '#type' => 'submit',
      '#value' => t('Save'),
    );
    $form['cancel'] = array(
      '#markup' => l(t('Cancel'), $_SERVER['HTTP_REFERER']),
    );
  }
  elseif ($op == 'add' || $op == 'clone') {
    $form['submit'] = array(
      '#type' => 'submit',
      '#value' => t('Save'),
      '#submit' => array('pageear_admin_add_submit'),
    );
    $form['cancel'] = array(
      '#markup' => l(t('Cancel'), $_SERVER['HTTP_REFERER']),
    );
  }

  return $form;
}

/**
* hook_validate: validation function for the pageear configuration form.
*/
function pageear_admin_edit_validate($form, &$form_state) {

  // Sizes validation
  // TODO Review if I must restrict this more. For example test the ratio peel/flag.
  if (!is_numeric($form_state['values']['wait_width']) || $form_state['values']['wait_width'] < 10) {
    form_set_error('wait_width', t('Wait Icon Width must be a number greater than 10'));
  }
  if (!is_numeric($form_state['values']['wait_height']) || $form_state['values']['wait_height'] < 10) {
    form_set_error('wait_height', t('Wait Icon Height must be a number greater than 10'));
  }
  if (!is_numeric($form_state['values']['flag_width']) || $form_state['values']['flag_width'] < 10) {
    form_set_error('flag_width', t('Flag Width must be a number greater than 10'));
  }
  if (!is_numeric($form_state['values']['flag_height']) || $form_state['values']['flag_height'] < 10) {
    form_set_error('flag_height', t('Flag Height must be a number greater than 10'));
  }
  if (!is_numeric($form_state['values']['peel_width']) || $form_state['values']['peel_width'] < 50) {
    form_set_error('peel_width', t('Peel Width must be a number greater than 50'));
  }
  if (!is_numeric($form_state['values']['peel_height']) || $form_state['values']['peel_height'] < 50) {
    form_set_error('peel_height', t('Peel Height must be a number greater than 50'));
  }

  // Duration of transition validation
  if (!is_numeric($form_state['values']['transition_duration']) || $form_state['values']['transition_duration'] == 0) {
    form_set_error('transition_duration', t('Transition duration must be a number between 1 and 9'));
  }

  // Peel custom color validation.
  // If user sets color manually with input textfield wrong hex values would be ignored by conversion function.
  $custom_rgb_peel_color = hex2rgb($form_state['values']['custom_color']);
  form_set_value($form['details']['image_settings']['red_value'], $custom_rgb_peel_color[0], $form_state);
  form_set_value($form['details']['image_settings']['green_value'], $custom_rgb_peel_color[1], $form_state);
  form_set_value($form['details']['image_settings']['blue_value'], $custom_rgb_peel_color[2], $form_state);

  // Flag speed validation
  if (!is_numeric($form_state['values']['flag_speed']) || $form_state['values']['flag_speed'] == 0) {
    form_set_error('flag_speed', t('Flag motion speed must be a number between 1 and 9'));
  }

  // Peel speed validation
  if (!is_numeric($form_state['values']['peel_speed']) || $form_state['values']['peel_speed'] == 0) {
    form_set_error('peel_speed', t('Peel motion speed must be a number between 1 and 9'));
  }

  // AutomaticOpen validation
  if (!is_numeric($form_state['values']['automatic_open']) || $form_state['values']['automatic_open'] < 0) {
    form_set_error('automatic_open', t('Automatically peel onload seconds must be a number between 0 and 999'));
  }

  // AutomaticClose validation
  if (!is_numeric($form_state['values']['automatic_close']) || $form_state['values']['automatic_close'] < 0) {
    form_set_error('automatic_close', t('Automatically peel onclose seconds must be a number between 0 and 999'));
  }

  // Close button color validation
  // If user sets color manually with input textfield wrong hex values would be ignored by conversion function.
  $custom_rgb_close_button_color = hex2rgb($form_state['values']['close_button_color']);
  form_set_value($form['details']['closebutton_settings']['close_red_value'], $custom_rgb_close_button_color[0], $form_state);
  form_set_value($form['details']['closebutton_settings']['close_green_value'], $custom_rgb_close_button_color[1], $form_state);
  form_set_value($form['details']['closebutton_settings']['close_blue_value'], $custom_rgb_close_button_color[2], $form_state);

  // Text on close button
  if (preg_match("/^[a-z][a-z ]+$/", $form_state['values']['text_on_close_button']) == 0) {
    form_set_error('text_on_close_button', t('Only lowercase letters and spaces are allowed for text on close button. It must start with a lowercase letter too.'));
  }

  // Code from here is to validate file uploads.
  $directory_path = 'public://'. PAGEEAR_PATH_IMAGES;

  // checks if directory exist and creates it if it don't
  //file_prepare_directory($directory_path, FILE_CREATE_DIRECTORY);
  file_prepare_directory($directory_path, FILE_CREATE_DIRECTORY);

  if ($file = file_save_upload('wait_url_upload')) { //, array('file_validate_is_image' => array()))) {

    $parts = pathinfo($file->filename);

    if ($parts['extension'] != 'jpeg' && $parts['extension'] != 'jpg' && $parts['extension'] != 'gif' && $parts['extension'] != 'png') {

      file_delete($file);
      form_set_error('wait_url_upload', t('Uploaded file must be an image. JPEG, PNG or GIF'));

    }
    else {

      $dest_filename = 'wait_url_'. $form_state['values']['peid'] .'.'. $parts['extension'];
      $dest_uri = $directory_path .'/'. $dest_filename;
      $source_path = $file->uri;

      if ($dest_uri = file_unmanaged_copy($source_path, $dest_uri)) {
        file_delete($file);
        form_set_value($form['details']['wait_settings']['wait_url'], file_directory_path() .'/'. file_uri_target($dest_uri), $form_state);
      }
      else{
        file_delete($file);
        form_set_error('wait_url_upload', t('Wait icon upload failed. Please try again.'));
      }

    }
  }
  else {
    form_set_value($form['details']['wait_settings']['wait_url'], $form['details']['wait_settings']['wait_url']['#markup'], $form_state);
  }

  // uploads images from image upload fields
  foreach (array('small_url', 'big_url') as $image) {

    if ($file = file_save_upload($image .'_upload')) { //, array('file_validate_is_image' => array()))) {

      $parts = pathinfo($file->filename);

      if ($parts['extension'] != 'jpeg' && $parts['extension'] != 'jpg' && $parts['extension'] != 'gif' && $parts['extension'] != 'png' && $parts['extension'] != 'swf') {

        file_delete($file);
        form_set_error($image .'_upload', t('Uploaded file must be an image or flash movie. JPEG, PNG, GIF or SWF'));

      }
      else {

        $dest_filename = $directory_path .'/'. $image .'_'. $form_state['values']['peid'] .'.'. $parts['extension'];
        $dest_uri = $directory_path .'/'. $dest_filename;
        $source_path = $file->uri;

        if ($dest_uri = file_unmanaged_copy($source_path, $dest_uri)) {
          file_delete($file);
          form_set_value($form['details']['image_settings'][$image], file_directory_path() .'/'. file_uri_target($dest_uri), $form_state);
        }
        else{
          file_delete($file);
          form_set_error($image .'_upload', t('Media uploaded failed. Please try again.'));
        }

      }
    }
    else {
      form_set_value($form['details']['image_settings'][$image], $form['details']['image_settings'][$image]['#markup'], $form_state);
    }

  }

  // uploads images from sound upload fields
  foreach (array('load_sound_url', 'open_sound_url', 'close_sound_url') as $sound) {

    if ($file = file_save_upload($sound .'_upload')) {

      $parts = pathinfo($file->filename);

      if ($parts['extension'] != 'mp3') {

        file_delete($file);
        form_set_error($sound .'_upload', t('Uploaded sound must be a MP3 file.'));

      }
      else {

        $dest_filename = $sound .'_'. $form_state['values']['peid'] .'.'. $parts['extension'];
        $dest_uri = $directory_path .'/'. $dest_filename;
        $source_path = $file->uri;

        if ($dest_uri = file_unmanaged_copy($source_path, $dest_uri)) {
          file_delete($file);
          form_set_value($form['details']['sound_settings'][$sound], file_directory_path() .'/'. file_uri_target($dest_uri), $form_state);
        }
        else {
          file_delete($file);
          form_set_error($sound .'_upload', t('Sound uploaded failed. Please try again.'));
        }

      }
    }
    else {
      form_set_value($form['details']['sound_settings'][$sound], $form['details']['sound_settings'][$sound]['#markup'], $form_state);
    }

  }

  // Remove sounds checked for removal
  // TODO remove files too or wait till they are removed when the pageear is removed?
  if ($form_state['values']['load_sound_url'] != '' && $form_state['values']['load_sound_remove']) {
    form_set_value($form['details']['sound_settings']['load_sound_url'], '', $form_state);
  }
  if ($form_state['values']['open_sound_url'] != '' && $form_state['values']['open_sound_remove']) {
    form_set_value($form['details']['sound_settings']['open_sound_url'], '', $form_state);
  }
  if ($form_state['values']['open_sound_url'] != '' && $form_state['values']['close_sound_remove']) {
    form_set_value($form['details']['sound_settings']['close_sound_url'], '', $form_state);
  }

}

/**
* hook_submit: submit function for the pageear configuration form.
*/
function pageear_admin_edit_submit($form, &$form_state) {

  // Save the edited pageear
  if (!form_get_errors()) {

    if (module_exists('locale')) {
      $languages = implode(',', $form_state['values']['languages']);
    }
    else {
      $languages = '';
    }

    $roles = implode(',', $form_state['values']['roles']);

    //$new_pageear = new stdClass();

    $new_pageear->peid                   = $form_state['values']['peid'];
    $new_pageear->status                 = $form_state['values']['status'];
    $new_pageear->name                   = $form_state['values']['name'];
    $new_pageear->peel_position          = $form_state['values']['peel_position'];
    $new_pageear->peel_position_model    = $form_state['values']['peel_position_model'];
    $new_pageear->wait_enable            = $form_state['values']['wait_enable'];
    $new_pageear->wait_width             = $form_state['values']['wait_width'];
    $new_pageear->wait_height            = $form_state['values']['wait_height'];
    $new_pageear->wait_url               = $form_state['values']['wait_url'];
    $new_pageear->flag_style             = $form_state['values']['flag_style'];
    $new_pageear->peel_style             = $form_state['values']['peel_style'];
    $new_pageear->flag_width             = $form_state['values']['flag_width'];
    $new_pageear->flag_height            = $form_state['values']['flag_height'];
    $new_pageear->peel_width             = $form_state['values']['peel_width'];
    $new_pageear->peel_height            = $form_state['values']['peel_height'];
    $new_pageear->small_url              = $form_state['values']['small_url'];
    $new_pageear->big_url                = $form_state['values']['big_url'];
    $new_pageear->mirror                 = $form_state['values']['mirror'];
    $new_pageear->in_transition          = $form_state['values']['in_transition'];
    $new_pageear->transition_duration    = $form_state['values']['transition_duration'];
    $new_pageear->peel_color_style       = $form_state['values']['peel_color_style'];
    $new_pageear->peel_color             = $form_state['values']['peel_color'];
    $new_pageear->red_value              = $form_state['values']['red_value'];
    $new_pageear->green_value            = $form_state['values']['green_value'];
    $new_pageear->blue_value             = $form_state['values']['blue_value'];
    $new_pageear->link_enable            = $form_state['values']['link_enable'];
    $new_pageear->link_target            = $form_state['values']['link_target'];
    $new_pageear->link                   = $form_state['values']['link'];
    $new_pageear->load_sound_url         = $form_state['values']['load_sound_url'];
    $new_pageear->open_sound_url         = $form_state['values']['open_sound_url'];
    $new_pageear->close_sound_url        = $form_state['values']['close_sound_url'];
    $new_pageear->flag_speed             = $form_state['values']['flag_speed'];
    $new_pageear->peel_speed             = $form_state['values']['peel_speed'];
    $new_pageear->automatic_open         = $form_state['values']['automatic_open'];
    $new_pageear->automatic_close        = $form_state['values']['automatic_close'];
    $new_pageear->close_button_enable    = $form_state['values']['close_button_enable'];
    $new_pageear->text_on_close_button   = $form_state['values']['text_on_close_button'];
    $new_pageear->close_red_value        = $form_state['values']['close_red_value'];
    $new_pageear->close_green_value      = $form_state['values']['close_green_value'];
    $new_pageear->close_blue_value       = $form_state['values']['close_blue_value'];
    $new_pageear->languages              = $languages;
    $new_pageear->roles                  = $roles;
    $new_pageear->visibility             = $form_state['values']['visibility'];
    $new_pageear->pages                  = $form_state['values']['pages'];

    drupal_write_record('pageears', $new_pageear, 'peid');

    // Update the persistent variable numEnabledPageears that tracks number of pageears enabled
    if ($form_state['values']['status'] != $form_state['values']['previous_status']) {
      if ($form_state['values']['status']) {
        variable_set('num_enabled_pageears', variable_get('num_enabled_pageears', 0) + 1);
      }
      else {
        variable_set('num_enabled_pageears', variable_get('num_enabled_pageears', 1) - 1);
      }
    }

    drupal_set_message(t('The pageear %name has been saved.', array('%name' => $form_state['values']['name'])));
    $form_state['redirect'] = 'admin/structure/pageear';
  }

  return;
}

/**
* hook_submit: when adding new pageear.
*/
function pageear_admin_add_submit($form, &$form_state) {

  if (module_exists('locale')) {
    $languages = implode(',', $form_state['values']['languages']);
  }
  else {
    $languages = '';
  }

  $roles = implode(',', $form_state['values']['roles']);

  // Writes new pageear
  //$new_pageear = new stdClass();

  $new_pageear->status                 = $form_state['values']['status'];
  $new_pageear->name                   = $form_state['values']['name'];
  $new_pageear->peel_position          = $form_state['values']['peel_position'];
  $new_pageear->peel_position_model    = $form_state['values']['peel_position_model'];
  $new_pageear->wait_enable            = $form_state['values']['wait_enable'];
  $new_pageear->wait_width             = $form_state['values']['wait_width'];
  $new_pageear->wait_height            = $form_state['values']['wait_height'];
  $new_pageear->wait_url               = $form_state['values']['wait_url'];
  $new_pageear->flag_style             = $form_state['values']['flag_style'];
  $new_pageear->peel_style             = $form_state['values']['peel_style'];
  $new_pageear->flag_width             = $form_state['values']['flag_width'];
  $new_pageear->flag_height            = $form_state['values']['flag_height'];
  $new_pageear->peel_width             = $form_state['values']['peel_width'];
  $new_pageear->peel_height            = $form_state['values']['peel_height'];
  $new_pageear->small_url              = $form_state['values']['small_url'];
  $new_pageear->big_url                = $form_state['values']['big_url'];
  $new_pageear->mirror                 = $form_state['values']['mirror'];
  $new_pageear->in_transition          = $form_state['values']['in_transition'];
  $new_pageear->transition_duration    = $form_state['values']['transition_duration'];
  $new_pageear->peel_color_style       = $form_state['values']['peel_color_style'];
  $new_pageear->peel_color             = $form_state['values']['peel_color'];
  $new_pageear->red_value              = $form_state['values']['red_value'];
  $new_pageear->green_value            = $form_state['values']['green_value'];
  $new_pageear->blue_value             = $form_state['values']['blue_value'];
  $new_pageear->link_enable            = $form_state['values']['link_enable'];
  $new_pageear->link_target            = $form_state['values']['link_target'];
  $new_pageear->link                   = $form_state['values']['link'];
  $new_pageear->load_sound_url         = $form_state['values']['load_sound_url'];
  $new_pageear->open_sound_url         = $form_state['values']['open_sound_url'];
  $new_pageear->close_sound_url        = $form_state['values']['close_sound_url'];
  $new_pageear->flag_speed             = $form_state['values']['flag_speed'];
  $new_pageear->peel_speed             = $form_state['values']['peel_speed'];
  $new_pageear->automatic_open         = $form_state['values']['automatic_open'];
  $new_pageear->automatic_close        = $form_state['values']['automatic_close'];
  $new_pageear->close_button_enable    = $form_state['values']['close_button_enable'];
  $new_pageear->text_on_close_button   = $form_state['values']['text_on_close_button'];
  $new_pageear->close_red_value        = $form_state['values']['close_red_value'];
  $new_pageear->close_green_value      = $form_state['values']['close_green_value'];
  $new_pageear->close_blue_value       = $form_state['values']['close_blue_value'];
  $new_pageear->languages              = $languages;
  $new_pageear->roles                  = $roles;
  $new_pageear->visibility             = $form_state['values']['visibility'];
  $new_pageear->pages                  = $form_state['values']['pages'];

  drupal_write_record('pageears', $new_pageear);

  // Move any images or sounds
  // to reflect the peid on its names
  //$directory_path = file_directory_path() .'/'. PAGEEAR_PATH_IMAGES;
  $directory_path = 'public://'. PAGEEAR_PATH_IMAGES;

  //$change_new_pageear = new stdClass();
  $change_new_pageear->peid = $new_pageear->peid;
  unset($new_pageear);

  foreach (array('wait_url', 'small_url', 'big_url', 'load_sound_url', 'open_sound_url', 'close_sound_url') as $image_sound) {

    if ($form_state['values'][$image_sound] != '') {

      $source_filepath = $form_state['values'][$image_sound];

      $stringparts = explode(".", $form_state['values'][$image_sound]);
      $extension = $stringparts[count($stringparts)-1];
      $dest_filename = $image_sound .'_'. $change_new_pageear->peid .'.'. $extension;
      $dest_uri = $directory_path .'/'. $dest_filename;

      $dest_uri = file_unmanaged_copy($source_filepath, $dest_uri, FILE_EXISTS_REPLACE);

      $change_new_pageear->$image_sound = file_directory_path() .'/'. file_uri_target($dest_uri);

    }

  }

  // Update the pageear with moved images and sounds.
  drupal_write_record('pageears', $change_new_pageear, 'peid');

  // Delete possible images sounds uploaded with peid=0
  delete_images_sounds(0);

  // Update the persistent variable numEnabledPageears that tracks number of pageears enabled
  if ($form_state['values']['status']) {
    variable_set('num_enabled_pageears', variable_get('num_enabled_pageears', 0) + 1);
  }

  drupal_set_message(t('The pageear %name has been created.', array('%name' => $form_state['values']['name'])));
  $form_state['redirect'] = 'admin/structure/pageear';
  return;
}

/**
* Menu callback: disable a specific pageear.
*/
function pageear_admin_disable($pageear) {
  db_query("UPDATE {pageears} SET status = 0 WHERE peid = :peid", array(':peid' => $pageear->peid));

  // Update the persistent variable numEnabledPageears that tracks number of pageears enabled
  variable_set('num_enabled_pageears', variable_get('num_enabled_pageears', 1) - 1);

  drupal_goto('admin/structure/pageear');
}

/**
* Menu callback: enable a specific pageear.
*/
function pageear_admin_enable($pageear) {
  db_query("UPDATE {pageears} SET status = 1 WHERE peid = :peid", array(':peid' => $pageear->peid));

  // Update the persistent variable numEnabledPageears that tracks number of pageears enabled
  variable_set('num_enabled_pageears', variable_get('num_enabled_pageears', 0) + 1);

  drupal_goto('admin/structure/pageear');
}

/**
* Deletes images and sounds for specific pageear.
*/
function delete_images_sounds($peid) {

  //$directory_path = file_directory_path() .'/'. PAGEEAR_PATH_IMAGES;
  $directory_path = 'public://'. PAGEEAR_PATH_IMAGES;
  // if the directory where files reside does not exists nothing to do
  if (!file_prepare_directory($directory_path)) {
    return;
  }

  foreach (array('wait_url', 'small_url', 'big_url', 'load_sound_url', 'open_sound_url', 'close_sound_url') as $image_sound) {

    if ($image_sound == 'wait_url' || $image_sound == 'small_url' || $image_sound == 'big_url') {
      $extensions = array('.jpg', '.jpeg', '.gif', '.png', '.swf');
    }
    else {
      $extensions = array('.mp3');
    }

    foreach ($extensions as $extension) {

      $filename_noext = $image_sound .'_'. $peid;
      $file_uri_noext = $directory_path .'/'. $filename_noext;
      $file_uri = $file_uri_noext . $extension;
      file_unmanaged_delete($file_uri);

      $i = 0;
      $file_uri = $file_uri_noext .'_'. $i . $extension;
      while (file_exists(drupal_realpath($file_uri))) {
        file_unmanaged_delete($file_uri);
        $i += 1;
        $file_uri = $file_uri_noext .'_'. $i . $extension;
      }

    }

  }

}

/**
* Menu callback; confirm deletion of a pageear.
*/
function pageear_admin_delete($form, &$form_state, $pageear) {
  $form['pageear'] = array('#type' => 'hidden', '#value' => serialize($pageear));
  $params = array('%name' => $pageear->name);
  return confirm_form($form, t('Are you sure you want to delete the pageear %name?', $params), 'admin/structure/pageear', NULL, t('Delete'), t('Cancel'));
}

function pageear_admin_delete_submit($form, &$form_state) {
  $pageear = unserialize($form_state['values']['pageear']);
  //db_query('DELETE FROM {pageears} WHERE peid = %d', array(':peid' => $pageear->peid));
  db_delete('pageears')
    ->condition('peid', $pageear->peid)
    ->execute();

  delete_images_sounds($pageear->peid);

  drupal_set_message(t('The pageear %name has been removed.', array('%name' => $pageear->name)));
  $form_state['redirect'] = 'admin/structure/pageear';
  return;
}

/**
* Helper functions for color conversions
*/
function hex2rgb($color) {

  if ($color[0] == '#') {
    $color = drupal_substr($color, 1);
  }

  if (drupal_strlen($color) == 6) {
    list($r, $g, $b) = array(
      $color[0] . $color[1],
      $color[2] . $color[3],
      $color[4] . $color[5]
    );
  }
  elseif (drupal_strlen($color) == 3) {
    list($r, $g, $b) = array(
      $color[0] . $color[0],
      $color[1] . $color[1],
      $color[2] . $color[2]
    );
  }
  else {
    return array(0, 0, 0);
  }

  $r = hexdec($r);
  $g = hexdec($g);
  $b = hexdec($b);
  return array($r, $g, $b);
}

function rgb2hex($r, $g=-1, $b=-1) {

  if (is_array($r) && sizeof($r) == 3) {
    list($r, $g, $b) = $r;
  }

  $r = intval($r);
  $g = intval($g);
  $b = intval($b);

  $r = dechex($r<0?0:($r>255?255:$r));
  $g = dechex($g<0?0:($g>255?255:$g));
  $b = dechex($b<0?0:($b>255?255:$b));

  $color = (drupal_strlen($r) < 2?'0':'') . $r;
  $color .= (drupal_strlen($g) < 2?'0':'') . $g;
  $color .= (drupal_strlen($b) < 2?'0':'') . $b;
  return '#'. $color;
}