<?php

function pageear_menu() {
  $items = array();
  
  $items['admin/settings/pageear'] = array(
		'title'								=> t('PageEar'),
		'description'					=> t('Add a peel away ad (magic corner, peelad) to your website.'),
		'page callback'				=> 'drupal_get_form',
		'page arguments'			=> array('pageear_settings'),
		'access arguments'		=> array('administer site configuration'),
	);

  return $items;
}

function pageear_init() {
	$settings = variable_get('pageear_settings', array());
	
	if (variable_get('pageear_state', FALSE) && count($settings)) {
		$conditions = variable_get('pageear_conditions', array());
		
		if (module_exists('condition') && count($conditions)) {
			
			if (!condition_selection_validate($conditions)) {
				return;
			}
		}
		
		drupal_add_js(drupal_get_path('module', 'pageear').'/pageear/AC_OETags.js');
		drupal_add_js(drupal_get_path('module', 'pageear').'/pageear/pageear.js');

		$js = '';
		
		foreach ($settings as $name => $setting) {		
			$js .= "var ".$name." = ".drupal_to_js(is_numeric($setting) ? (float) $setting : $setting).";\n";
		}
		
		$js .= "var pagearSmallSwf = '".base_path().drupal_get_path('module', 'pageear')."/pageear/pageear_s.swf';\n";
		$js .= "var pagearBigSwf = '".base_path().drupal_get_path('module', 'pageear')."/pageear/pageear_b.swf';\n";
		$js .= "var queryParams = 'pagearSmallImg='+escape(pagearSmallImg);\n";
		$js .= "queryParams += '&pagearBigImg='+escape(pagearBigImg);\n";
		$js .= "queryParams += '&pageearColor='+pageearColor;\n";
		$js .= "queryParams += '&jumpTo='+escape(jumpTo);\n";
		$js .= "queryParams += '&openLink='+escape(openLink);\n"; 
		$js .= "queryParams += '&mirror='+escape(mirror);\n";
		$js .= "queryParams += '&copyright='+escape(copyright);\n";
		$js .= "queryParams += '&speedSmall='+escape(speedSmall);\n";
		$js .= "queryParams += '&openOnLoad='+escape(openOnLoad);\n";
		$js .= "queryParams += '&closeOnLoad='+escape(closeOnLoad);\n";
		$js .= "queryParams += '&setDirection='+escape(setDirection);\n";
		$js .= "queryParams += '&softFadeIn='+escape(softFadeIn);\n";
		$js .= "writeObjects();\n";
		
		drupal_add_js($js, 'inline');
	}
}

function pageear_help($path, $arg) {
  switch ($path) {
    case 'admin/settings/pageear':
      return '<p>'. t('Install the !condition module to add additional conditions for displaying the PageEar. On this page you can set all PageEar variables. For a test-drive, just submit the default values. This module is a Drupal implementation of the excellent !pageear by WebPicasso Media.', array('!pageear' => l(t('PageEar'), 'http://www.webpicasso.de/blog/kostenloses-pagepeel/'), '!condition' => l(t('Condition'), 'http://drupal.org/project/condition'))).'</p>';
  }
}

function pageear_settings() {
	$settings = variable_get('pageear_settings', array());
	
	$form['#attributes'] = array('enctype' => "multipart/form-data");	
	
	// On / Off
	$form['pageear_state'] = array(
		'#type' => 'checkbox',
		'#title' => t('Enable PageEar'),
		'#default_value' => variable_get('pageear_state', FALSE),
	);
	
	// Conditions
	if (module_exists('condition')) {
		$form_conditions = module_invoke('condition', 'selection_form', variable_get('pageear_conditions', array()));
		$form['pageear_conditions'] = $form_conditions['conditions'];
	}
	
	$form['pageear_settings'] = array(
		'#type' => 'fieldset',
		'#title' => t('Settings'),
		'#tree' => TRUE,
		'#collapsible' => TRUE,
		'#collapsed' => FALSE,
	);
	
	// URL to small image 
	$form['pageear_settings']['pagearSmallImg'] = array(
		'#type' => 'textfield',
		'#title' => t('Unpeeled image'),
		'#description' => t('URL of image to show when the ad is not peeled (100x100 pixels).'),
		'#required' => TRUE,
		'#default_value' => $settings['pagearSmallImg'] ? $settings['pagearSmallImg'] : base_path().drupal_get_path('module', 'pageear').'/pageear/pageear_s.jpg',
	);
  $form['pageear_settings']['pagearSmallImg_upload'] = array(
    '#type' => 'file',
    '#description' => t('Upload an image to show when the ad is not peeled.'),
    '#tree' => FALSE,
  );
	
	// URL to big image
	$form['pageear_settings']['pagearBigImg'] = array(
		'#type' => 'textfield',
		'#title' => t('Peeled image'),
		'#description' => t('URL of the image to show when the ad is peeled (500x500 pixels).'),
		'#required' => TRUE,
		'#default_value' => $settings['pagearBigImg'] ? $settings['pagearBigImg'] : base_path().drupal_get_path('module', 'pageear').'/pageear/pageear_b.jpg',
	);
  $form['pageear_settings']['pagearBigImg_upload'] = array(
    '#type' => 'file',
    '#description' => t('Upload an image to show when the ad is peeled.'),
    '#tree' => FALSE,
  );
	
	// Movement speed of small pageear 1-4 (2=Standard)
	$form['pageear_settings']['speedSmall'] = array(
		'#type' => 'select',
		'#title' => t('Motion speed'),
		'#description' => t('Speed for the motion in the unpeeled state.'),
		'#options' => array(
			1 => t('1 (slow)'),
			2 => t('2 (default)'),
			3 => t('3 (faster)'),
			4 => t('4 (fastest)'),
		),
		'#default_value' => $settings['speedSmall'] ? $settings['speedSmall'] : 2,
		'#required' => TRUE,
	);
	
	// Mirror image ( true | false )
	$form['pageear_settings']['mirror'] = array(
		'#type' => 'select',
		'#title' => t('Back mirror'),
		'#description' => t('Mirror the ad on the back of the peeled page.'),
		'#options' => array(
			'true' => t('Enabled'),
			'false' => t('Disabled'),
		),
		'#default_value' => $settings['mirror'] ? $settings['mirror'] : 'true',
		'#required' => TRUE,
	);
	
	// Color of pagecorner if mirror is false
	$form['pageear_settings']['pageearColor'] = array(
		'#type' => 'textfield',
		'#title' => t('Back color'),
		'#description' => t('If the mirror effect is disabled, this color will be used on the back.'),
		'#required' => TRUE,
		'#default_value' => $settings['pageearColor'] ? $settings['pageearColor'] : 'FFFFFF',
	);
	
	// URL to open on pageear click
	$form['pageear_settings']['jumpTo'] = array(
		'#type' => 'textfield',
		'#title' => t('URL'),
		'#description' => t('URL to go to when clicked on the ad.'),
		'#required' => TRUE,
		'#default_value' => $settings['jumpTo'] ? $settings['jumpTo'] : 'http://www.webpicasso.de/blog/',
	);
	
	// Browser target  (new) or self (self)
	$form['pageear_settings']['openLink'] = array(
		'#type' => 'select',
		'#title' => t('URL target'),
		'#description' => t('How to open the URL.'),
		'#options' => array(
			'self' => t('Same window'),
			'new' => t('New window'),
		),
		'#default_value' => $settings['openLink'] ? $settings['openLink'] : 'self',
		'#required' => TRUE,
	);
	
	// Opens pageear automaticly (false:deactivated | 0.1 - X seconds to open) 
	$form['pageear_settings']['openOnLoad'] = array(
		'#type' => 'select',
		'#title' => t('Automaticly peel on load'),
		'#description' => t('Unpeel automaticly when the page loads.'),
		'#options' => array(
			'' => t('(disabled)'),
			0.1 => t('After 0.1 second'),
			1 => t('After 1 second'),
			3 => t('After 3 seconds'),
			5 => t('After 5 seconds'),
			10 => t('After 10 seconds'),
		),
		'#default_value' => $settings['openOnLoad'] ? $settings['openOnLoad'] : '',
	);
	
	// Second until pageear close after openOnLoad
	$form['pageear_settings']['closeOnLoad'] = array(
		'#type' => 'select',
		'#title' => t('Automaticly unpeel'),
		'#description' => t('Automaticly close after unpeeling.'),
		'#options' => array(
			'' => t('(disabled)'),
			0.1 => t('After 0.1 second'),
			1 => t('After 1 second'),
			3 => t('After 3 seconds'),
			5 => t('After 5 seconds'),
			10 => t('After 10 seconds'),
		),
		'#default_value' => $settings['closeOnLoad'] ? $settings['closeOnLoad'] : '',
	);
	
	// Set direction of pageear in left or right top browser corner (lt: left | rt: right )
	$form['pageear_settings']['setDirection'] = array(
		'#type' => 'select',
		'#title' => t('Corner'),
		'#description' => t('In what corner the ad will be displayed.'),
		'#options' => array(
			'rt' => t('Top right'),
			'lt' => t('Top left'),
		),
		'#default_value' => $settings['setDirection'] ? $settings['setDirection'] : 'rt',
		'#required' => TRUE,
	);
	
	// Fade in pageear if image completly loaded (0-5: 0=off, 1=slow, 5=fast )
	$form['pageear_settings']['softFadeIn'] = array(
		'#type' => 'select',
		'#title' => t('Fade in'),
		'#description' => t('Fade in the peel ad once the image is loaded.'),
		'#options' => array(
			0 => t('(disabled)'),
			1 => t('Slow'),
			5 => t('Fast'),
		),
		'#default_value' => $settings['softFadeIn'] ? $settings['softFadeIn'] : 5,
		'#required' => TRUE,
	);
	
	$form['#submit'][] = 'pageear_settings_submit';
	
	return system_settings_form($form);
}

function pageear_settings_validate($form, &$form_state) {

	$directory_path = file_directory_path().'/pageear';
  file_check_directory($directory_path, FILE_CREATE_DIRECTORY, 'file_directory_path');
	
	foreach(array('pagearBigImg', 'pagearSmallImg') as $image) {

	  if ($file = file_save_upload($image.'_upload', array('file_validate_is_image' => array()))) {
		  $parts		= pathinfo($file->filename);
	    $filename	= $directory_path.'/'.$image.'.'.$parts['extension'];
	
	    if (file_copy($file, $filename, FILE_EXISTS_REPLACE)) {
	      $form_state['values']['pageear_settings'][$image] = $file->filepath;
	    }
	  }
	}
}

function pageear_settings_submit($form, &$form_state) {
	
	if (!is_numeric($form_state['values']['pageear_settings']['openOnLoad'])) {
		$form_state['values']['pageear_settings']['openOnLoad'] = FALSE;
	}
	
	if (!is_numeric($form_state['values']['pageear_settings']['closeOnLoad'])) {
		$form_state['values']['pageear_settings']['closeOnLoad'] = FALSE;
	}
	
	$form_state['values']['pageear_settings']['pagearSmallImg'] = url($form_state['values']['pageear_settings']['pagearSmallImg'], array('absolute' => TRUE));
	$form_state['values']['pageear_settings']['pagearBigImg'] = url($form_state['values']['pageear_settings']['pagearBigImg'], array('absolute' => TRUE));
}

?>