<?php
// $Id: pageear.admin.inc,v 1.1.2.14 2009-11-02 14:39:25 manfer Exp $

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

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

  $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(
        '#value' => $pageear->name,
      );
      $form['pageears'][$pageear->peid]['link'] = array(
        '#value' => $pageear->link,
      );
      $form['pageears'][$pageear->peid]['peelPosition'] = array(
        '#value' => $pageear->peelPosition,
      );
      $form['pageears'][$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(
        '#value' => l(t('clone'), 'admin/build/pageear/'. $pageear->peid .'/clone'),
      );
      $form['pageears'][$pageear->peid]['edit'] = array(
        '#value' => l(t('edit'), 'admin/build/pageear/'. $pageear->peid .'/edit'),
      );
      $form['pageears'][$pageear->peid]['delete'] = array(
        '#value' => l(t('delete'), 'admin/build/pageear/'. $pageear->peid .'/delete'),
      );
    }

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

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

  return $form;
}

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

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

  $pageears = array();

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

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

  $output = '';

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

  $output .= drupal_render($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('numEnabledPageears', $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_state, $pageear, $op = 'edit') {

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

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

  // Add Farbtastic color picker
  drupal_add_css('misc/farbtastic/farbtastic.css', 'module', 'all', TRUE);
  drupal_add_js('misc/farbtastic/farbtastic.js', 'module', 'header', FALSE, FALSE, TRUE);

  // Add js that links farbtastic pickers with its input fields
  drupal_add_js(drupal_get_path('module', 'pageear') .'/earsConfigForm_farbtastic_ini.js', 'module', 'header', FALSE, FALSE, TRUE);

  $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' => 'fieldset',
    '#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 direction of pageear in left or right top browser corner ( topleft: left | topright: right ).
  $form['details']['position_settings']['peelPosition'] = array(
    '#type' => 'radios',
    '#title' => t('Corner'),
    '#description' => t('In what corner the ad will be displayed.'),
    '#options' => pageear_get_options('peelPosition'),
    '#default_value' => $pageear->peelPosition,
    '#required' => TRUE,
  );

  // Set position model of peageear ( absolute | fixed ).
  $form['details']['position_settings']['peelPositionModel'] = array(
    '#type' => 'radios',
    '#title' => t('Position Model'),
    '#description' => t('The CSS Position model you would prefer to use.'),
    '#options' => pageear_get_options('peelPositionModel'),
    '#default_value' => $pageear->peelPositionModel,
    '#required' => TRUE,
  );
  // 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']['waitEnable'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enable wait icon'),
    '#default_value' => $pageear->waitEnable,
    '#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']['waitWidth'] = array(
    '#type' => 'textfield',
    '#title' => t('Wait Icon Width'),
    '#required' => TRUE,
    '#default_value' => $pageear->waitWidth,
    '#maxlength' => 3,
    '#size' => 8,
  );

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

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

  $form['details']['wait_settings']['waitURL_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']['flagStyle'] = array(
    '#type' => 'select',
    '#title' => t('Flag Style'),
    '#options' => pageear_get_options('flagStyle'),
    '#default_value' => $pageear->flagStyle,
    '#required' => TRUE,
  );

  // Style of peel ('style1' | 'style2').
  $form['details']['style_settings']['peelStyle'] = array(
    '#type' => 'select',
    '#title' => t('Peel Style'),
    '#options' => pageear_get_options('peelStyle'),
    '#default_value' => $pageear->peelStyle,
    '#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']['flagWidth'] = array(
    '#type' => 'textfield',
    '#title' => t('Flag Width'),
    '#required' => TRUE,
    '#default_value' => $pageear->flagWidth,
    '#maxlength' => 4,
    '#size' => 8,
  );

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

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

  // Set peel height
  $form['details']['size_settings']['peelHeight'] = array(
    '#type' => 'textfield',
    '#title' => t('Peel Height'),
    '#required' => TRUE,
    '#default_value' => $pageear->peelHeight,
    '#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']['smallURL'] = array(
    '#type' => 'item',
    '#title' => t('Unpeeled image'),
    '#value' => $pageear->smallURL,
  );

  $form['details']['image_settings']['smallURL_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']['bigURL'] = array(
    '#type' => 'item',
    '#title' => t('Peeled image'),
    '#value' => $pageear->bigURL,
  );

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

  // Duration of in transition (1-9).
  $form['details']['image_settings']['transitionDuration'] = array(
    '#type' => 'textfield',
    '#title' => t('Transition Duration'),
    '#description' => t('Duration of in transition. (1-9)'),
    '#required' => TRUE,
    '#default_value' => $pageear->transitionDuration,
    '#maxlength' => 1,
    '#size' => 8,
  );

  // Style of peel back color.
  $form['details']['image_settings']['peelColorStyle'] = 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('peelColorStyle'),
    '#default_value' => $pageear->peelColorStyle,
    '#required' => TRUE,
  );

  // Color of peel back.
  $form['details']['image_settings']['peelColor'] = array(
    '#type' => 'radios',
    '#title' => t('Back color'),
    '#description' => t('This color will be used on the back of peel.'),
    '#options' => pageear_get_options('peelColor'),
    '#default_value' => $pageear->peelColor,
    '#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->redValue, $pageear->greenValue, $pageear->blueValue),
    '#maxlength' => 7,
    '#size' => 8,
  );

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

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

  // Blue Value for Custom Color Peel.
  $form['details']['image_settings']['blueValue'] = array(
    '#type' => 'hidden',
    '#value' => $pageear->blueValue,
  );
  // 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']['loadSoundURL'] = array(
    '#type' => 'item',
    '#title' => t('Onload Sound'),
    '#value' => $pageear->loadSoundURL,
  );

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

  if ($pageear->loadSoundURL != "") {
    $form['details']['sound_settings']['loadSoundRemove'] = 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']['openSoundURL'] = array(
    '#type' => 'item',
    '#title' => t('Open Peel Sound'),
    '#value' => $pageear->openSoundURL,
  );

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

  if ($pageear->openSoundURL != "") {
    $form['details']['sound_settings']['openSoundRemove'] = 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']['closeSoundURL'] = array(
    '#type' => 'item',
    '#title' => t('Close Peel Sound'),
    '#value' => $pageear->closeSoundURL,
  );

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

  if ($pageear->closeSoundURL != "") {
    $form['details']['sound_settings']['closeSoundRemove'] = 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']['linkEnabled'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enabled'),
    '#default_value' => $pageear->linkEnabled,
    '#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']['linkTarget'] = array(
    '#type' => 'radios',
    '#title' => t('URL target'),
    '#description' => t('Where to open the URL.'),
    '#options' => pageear_get_options('linkTarget'),
    '#default_value' => $pageear->linkTarget,
    '#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']['flagSpeed'] = array(
    '#type' => 'textfield',
    '#title' => t('Flag motion speed'),
    '#description' => t('Speed for flag motion. (1-9)'),
    '#required' => TRUE,
    '#default_value' => $pageear->flagSpeed,
    '#maxlength' => 1,
    '#size' => 8,
  );

  // Speed of peel movement (1-9).
  $form['details']['motion_settings']['peelSpeed'] = array(
    '#type' => 'textfield',
    '#title' => t('Peel motion speed'),
    '#description' => t('Speed for peel motion. (1-9)'),
    '#required' => TRUE,
    '#default_value' => $pageear->peelSpeed,
    '#maxlength' => 1,
    '#size' => 8,
  );

  // Opens pageear automaticaly after configured seconds.
  $form['details']['motion_settings']['automaticOpen'] = 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,
    '#default_value' => $pageear->automaticOpen,
    '#maxlength' => 3,
    '#size' => 8,
  );

  // Seconds until pageear close after automatically open.
  $form['details']['motion_settings']['automaticClose'] = array(
    '#type' => 'textfield',
    '#title' => t('Automatically unpeel'),
    '#description' => t('Automatically close after unpeeling after configured seconds. 0 means no automatically unpeel.'),
    '#required' => TRUE,
    '#default_value' => $pageear->automaticClose,
    '#maxlength' => 3,
    '#size' => 8,
  );
  // 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,
    '#size' => 40,
  );

  // Close Button Color.
  $form['details']['closebutton_settings']['closebutton_color'] = array(
    '#type' => 'textfield',
    '#title' => t('Close Button Color'),
    '#required' => TRUE,
    '#prefix' => '<div id="pageear_closebuttoncolor_picker"></div>',
    '#default_value' => rgb2hex($pageear->close_redValue, $pageear->close_greenValue, $pageear->close_blueValue),
    '#maxlength' => 7,
    '#size' => 8,
  );

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

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

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


  // Visibility settings.
  $form['visibility_settings'] = array(
    '#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');
  $role_options = array();
  while ($role = db_fetch_object($result)) {
    $role_options[$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 pageear visibility');

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

  return $form;
}

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

  $directory_path = file_directory_path() .'/'. PAGEEAR_PATH_IMAGES;

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

  if ($file = file_save_upload('waitURL_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->filepath);
      form_set_error('waitURL_upload', t('Uploaded file must be an image. JPEG, PNG or GIF'));

    }
    else {

      $dest_filename = $directory_path .'/waitURL_'. $form_state['values']['peid'] .'.'. $parts['extension'];
      $source_path = $file->filepath;

      // copy temp uploaded file to its destination
      // and delete temp uploaded file
      if (file_copy($source_path, $dest_filename)) {
        file_delete($file->filepath);
        form_set_value($form['details']['wait_settings']['waitURL'], $source_path, $form_state);
      }
      else {
        file_delete($file->filepath);
        form_set_error('waitURL_upload', t('Wait icon upload failed. Please try again.'));
      }

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

  // uploads images from image upload fields
  foreach (array('smallURL', 'bigURL') 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($file->filepath);
        form_set_error($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'];
        $source_path = $file->filepath;

        if (file_copy($source_path, $dest_filename)) {
          file_delete($file->filepath);
          form_set_value($form['details']['image_settings'][$image], $source_path, $form_state);
        }
        else {
          file_delete($file->filepath);
          form_set_error($image .'_upload', t('Media upload failed. Please try again.'));
        }

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

  }

  // uploads images from sound upload fields
  foreach (array('loadSoundURL', 'openSoundURL', 'closeSoundURL') as $sound) {

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

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

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

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

      }
      else {

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

        if (file_copy($source_path, $dest_filename)) {
          file_delete($file->filepath);
          form_set_value($form['details']['sound_settings'][$sound], $source_path, $form_state);
        }
        else {
          file_delete($file->filepath);
          form_set_error($sound .'_upload', t('Sound upload failed. Please try again.'));
        }

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

  }

  // Remove sounds checked for removal
  // TODO remove files too or wait till they are removed when the pageear is removed?
  if ($form_state['values']['loadSoundRemove']) {
    form_set_value($form['details']['sound_settings']['loadSoundURL'], '', $form_state);
  }
  if ($form_state['values']['openSoundRemove']) {
    form_set_value($form['details']['sound_settings']['openSoundURL'], '', $form_state);
  }
  if ($form_state['values']['closeSoundRemove']) {
    form_set_value($form['details']['sound_settings']['closeSoundURL'], '', $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']['waitWidth']) || $form_state['values']['waitWidth'] < 10) {
    form_set_error('waitWidth', t('Wait Icon Width must be a number greater than 10'));
  }
  if (!is_numeric($form_state['values']['waitHeight']) || $form_state['values']['waitHeight'] < 10) {
    form_set_error('waitHeight', t('Wait Icon Height must be a number greater than 10'));
  }
  if (!is_numeric($form_state['values']['flagWidth']) || $form_state['values']['flagWidth'] < 10) {
    form_set_error('flagWidth', t('Flag Width must be a number greater than 10'));
  }
  if (!is_numeric($form_state['values']['flagHeight']) || $form_state['values']['flagHeight'] < 10) {
    form_set_error('flagHeight', t('Flag Height must be a number greater than 10'));
  }
  if (!is_numeric($form_state['values']['peelWidth']) || $form_state['values']['peelWidth'] < 50) {
    form_set_error('peelWidth', t('Peel Width must be a number greater than 50'));
  }
  if (!is_numeric($form_state['values']['peelHeight']) || $form_state['values']['peelHeight'] < 50) {
    form_set_error('peelHeight', t('Peel Height must be a number greater than 50'));
  }

  // Duration of transition validation
  if (!is_numeric($form_state['values']['transitionDuration']) || $form_state['values']['transitionDuration'] == 0) {
    form_set_error('transitionDuration', 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']['redValue'], $custom_rgb_peel_color[0], $form_state);
  form_set_value($form['details']['image_settings']['greenValue'], $custom_rgb_peel_color[1], $form_state);
  form_set_value($form['details']['image_settings']['blueValue'], $custom_rgb_peel_color[2], $form_state);

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

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

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

  // AutomaticClose validation
  if (!is_numeric($form_state['values']['automaticClose']) || $form_state['values']['automaticClose'] < 0) {
    form_set_error('automaticClose', 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']['closebutton_color']);
  form_set_value($form['details']['closebutton_settings']['close_redValue'], $custom_rgb_close_button_color[0], $form_state);
  form_set_value($form['details']['closebutton_settings']['close_greenValue'], $custom_rgb_close_button_color[1], $form_state);
  form_set_value($form['details']['closebutton_settings']['close_blueValue'], $custom_rgb_close_button_color[2], $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->peelPosition         = $form_state['values']['peelPosition'];
    $new_pageear->peelPositionModel    = $form_state['values']['peelPositionModel'];
    $new_pageear->waitEnable           = $form_state['values']['waitEnable'];
    $new_pageear->waitWidth            = $form_state['values']['waitWidth'];
    $new_pageear->waitHeight           = $form_state['values']['waitHeight'];
    $new_pageear->waitURL              = $form_state['values']['waitURL'];
    $new_pageear->flagStyle            = $form_state['values']['flagStyle'];
    $new_pageear->peelStyle            = $form_state['values']['peelStyle'];
    $new_pageear->flagWidth            = $form_state['values']['flagWidth'];
    $new_pageear->flagHeight           = $form_state['values']['flagHeight'];
    $new_pageear->peelWidth            = $form_state['values']['peelWidth'];
    $new_pageear->peelHeight           = $form_state['values']['peelHeight'];
    $new_pageear->smallURL             = $form_state['values']['smallURL'];
    $new_pageear->bigURL               = $form_state['values']['bigURL'];
    $new_pageear->mirror               = $form_state['values']['mirror'];
    $new_pageear->inTransition         = $form_state['values']['inTransition'];
    $new_pageear->transitionDuration   = $form_state['values']['transitionDuration'];
    $new_pageear->peelColorStyle       = $form_state['values']['peelColorStyle'];
    $new_pageear->peelColor            = $form_state['values']['peelColor'];
    $new_pageear->redValue             = $form_state['values']['redValue'];
    $new_pageear->greenValue           = $form_state['values']['greenValue'];
    $new_pageear->blueValue            = $form_state['values']['blueValue'];
    $new_pageear->linkEnabled          = $form_state['values']['linkEnabled'];
    $new_pageear->linkTarget           = $form_state['values']['linkTarget'];
    $new_pageear->link                 = $form_state['values']['link'];
    $new_pageear->loadSoundURL         = $form_state['values']['loadSoundURL'];
    $new_pageear->openSoundURL         = $form_state['values']['openSoundURL'];
    $new_pageear->closeSoundURL        = $form_state['values']['closeSoundURL'];
    $new_pageear->flagSpeed            = $form_state['values']['flagSpeed'];
    $new_pageear->peelSpeed            = $form_state['values']['peelSpeed'];
    $new_pageear->automaticOpen        = $form_state['values']['automaticOpen'];
    $new_pageear->automaticClose       = $form_state['values']['automaticClose'];
    $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_redValue       = $form_state['values']['close_redValue'];
    $new_pageear->close_greenValue     = $form_state['values']['close_greenValue'];
    $new_pageear->close_blueValue      = $form_state['values']['close_blueValue'];
    $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('numEnabledPageears', variable_get('numEnabledPageears', 0) + 1);
      }
      else {
        variable_set('numEnabledPageears', variable_get('numEnabledPageears', 1) - 1);
      }
    }

    drupal_set_message(t('The pageear %name has been saved.', array('%name' => $form_state['values']['name'])));
    $form_state['redirect'] = 'admin/build/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->peelPosition         = $form_state['values']['peelPosition'];
  $new_pageear->peelPositionModel    = $form_state['values']['peelPositionModel'];
  $new_pageear->waitEnable           = $form_state['values']['waitEnable'];
  $new_pageear->waitWidth            = $form_state['values']['waitWidth'];
  $new_pageear->waitHeight           = $form_state['values']['waitHeight'];
  $new_pageear->waitURL              = $form_state['values']['waitURL'];
  $new_pageear->flagStyle            = $form_state['values']['flagStyle'];
  $new_pageear->peelStyle            = $form_state['values']['peelStyle'];
  $new_pageear->flagWidth            = $form_state['values']['flagWidth'];
  $new_pageear->flagHeight           = $form_state['values']['flagHeight'];
  $new_pageear->peelWidth            = $form_state['values']['peelWidth'];
  $new_pageear->peelHeight           = $form_state['values']['peelHeight'];
  $new_pageear->smallURL             = $form_state['values']['smallURL'];
  $new_pageear->bigURL               = $form_state['values']['bigURL'];
  $new_pageear->mirror               = $form_state['values']['mirror'];
  $new_pageear->inTransition         = $form_state['values']['inTransition'];
  $new_pageear->transitionDuration   = $form_state['values']['transitionDuration'];
  $new_pageear->peelColorStyle       = $form_state['values']['peelColorStyle'];
  $new_pageear->peelColor            = $form_state['values']['peelColor'];
  $new_pageear->redValue             = $form_state['values']['redValue'];
  $new_pageear->greenValue           = $form_state['values']['greenValue'];
  $new_pageear->blueValue            = $form_state['values']['blueValue'];
  $new_pageear->linkEnabled          = $form_state['values']['linkEnabled'];
  $new_pageear->linkTarget           = $form_state['values']['linkTarget'];
  $new_pageear->link                 = $form_state['values']['link'];
  $new_pageear->loadSoundURL         = $form_state['values']['loadSoundURL'];
  $new_pageear->openSoundURL         = $form_state['values']['openSoundURL'];
  $new_pageear->closeSoundURL        = $form_state['values']['closeSoundURL'];
  $new_pageear->flagSpeed            = $form_state['values']['flagSpeed'];
  $new_pageear->peelSpeed            = $form_state['values']['peelSpeed'];
  $new_pageear->automaticOpen        = $form_state['values']['automaticOpen'];
  $new_pageear->automaticClose       = $form_state['values']['automaticClose'];
  $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_redValue       = $form_state['values']['close_redValue'];
  $new_pageear->close_greenValue     = $form_state['values']['close_greenValue'];
  $new_pageear->close_blueValue      = $form_state['values']['close_blueValue'];
  $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;

  foreach (array('waitURL', 'smallURL', 'bigURL', 'loadSoundURL', 'openSoundURL', 'closeSoundURL') as $image_sound) {

    $stringparts = explode(".", $form_state['values'][$image_sound]);
    $extension = $stringparts[count($stringparts)-1];

    $source_path = $form_state['values'][$image_sound];
    if ($source_path != '') {
      $destination_path = $directory_path .'/'. $image_sound .'_'. $new_pageear->peid .'.'. $extension;
      file_copy($source_path, $destination_path, FILE_EXISTS_REPLACE);

      $new_pageear->$image_sound = $destination_path;

    }

  }

  // Update the pageear with moved images and sounds.
  drupal_write_record('pageears', $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('numEnabledPageears', variable_get('numEnabledPageears', 0) + 1);
  }

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

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

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

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

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

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

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

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

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

  foreach (array('waitURL', 'smallURL', 'bigURL', 'loadSoundURL', 'openSoundURL', 'closeSoundURL') as $image_sound) {

    if ($image_sound == 'waitURL' || $image_sound == 'smallURL' || $image_sound == 'bigURL') {
      $extensions = array('.jpg', '.jpeg', '.gif', '.png', '.swf');
    }
    else {
      $extensions = array('.mp3');
    }

    foreach ($extensions as $extension) {

      $filename = $directory_path .'/'. $image_sound .'_'. $peid;
      $filepath = $filename . $extension;
      file_delete($filepath);

      $i = 0;
      $filepath = $filename .'_'. $i . $extension;
      while (file_delete($filepath)) {
        $i += 1;
        $filepath = $filename .'_'. $i . $extension;
      }

    }

  }

}

/**
* Menu callback; confirm deletion of a pageear.
*/
function pageear_admin_delete($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/build/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));

  delete_images_sounds($pageear->peid);

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