<?php
// $Id: addtofavorites.module,v 1.3.4.3 2007/05/02 20:32:54 thierrygd Exp $

// Copyright 2006 Thierry GUEGAN http://www.arvoriad.com 

/**
 * @file
 * This module create a block for helping users to add the website to their 
 * browser's bookmarks.
 */

function addtofavorites_menu($may_cache) {
  $items = array();

  if ($may_cache) {
    $items[] = array(
      'path' => 'admin/settings/addtofavorites',
      'title' => t('Add to favorites module'),
      'description' => t('Add to favorites module configuration.'),
      'callback' => 'drupal_get_form',
      'callback arguments' => array('addtofavorites_admin_settings'),
      'access' => user_access('administer site configuration'),
      'type' => MENU_NORMAL_ITEM,);
  }
  return $items;
}

function addtofavorites_admin_settings() {
  $form = array();

  $form['addtofavorites_config'] = array(
    '#type' => 'fieldset',
	'#title' => 'Addtofavorites Block Settings',
  );
  $form['addtofavorites_config']['addtofavorites_block_title'] = array(
     '#type' => 'textfield',
     '#title' => t('Block Title'),
          '#default_value' => variable_get('addtofavorites_block_title', t("Add the website to your browser's favorites")),
     '#size' => 70,
     '#maxlength' => 128,
     '#description' => t('This will be the title for the addfavorites block.'),
  );
  $form['addtofavorites_config']['addtofavorites_site_OK'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enable site bookmarking'),
    '#default_value' => variable_get('addtofavorites_site_OK', 1),
  );  
  $form['addtofavorites_config']['addtofavorites_page_OK'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enable page bookmarking'),
    '#default_value' => variable_get('addtofavorites_page_OK', 1),
  ); 
  $form['addtofavorites_config']['addtofavorites_homepage_OK'] = array(
      '#type' => 'checkbox',
      '#title' => t('Enable making this website as homepage'),
      '#default_value' => variable_get('addtofavorites_homepage_OK', 1),
  );      
  $form['addtofavorites_config_links'] = array(
    '#type' => 'fieldset',
	'#title' => 'Addtofavorites Links Block Settings',
  );  
  $form['addtofavorites_config_links']['addtofavorites_links'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enable links'),
    '#default_value' => variable_get('addtofavorites_links', 1),
  );  
  $form['addtofavorites_config_links']['addtofavorites_site'] = array(
    '#type' => 'textfield',
    '#title' => t('Label for site bookmark link and icon alternate text'),
    '#size' => 20,
    '#maxlength' => 255,
    '#default_value' => variable_get('addtofavorites_site', t('Bookmark this site')),
  );
  $form['addtofavorites_config_links']['addtofavorites_page'] = array(
    '#type' => 'textfield',
    '#title' => t('Label for current page bookmark link and icon alternate text'),
    '#size' => 20,
    '#maxlength' => 255,
    '#default_value' => variable_get('addtofavorites_page', t('Bookmark this page'))
  );  
  $form['addtofavorites_config_links']['addtofavorites_homepage'] = array(
    '#type' => 'textfield',
    '#title' => t("Label for current 'make this website as your homepage' link and icon alternate text"),
    '#size' => 20,
    '#maxlength' => 255,
    '#default_value' => variable_get('addtofavorites_homepage', t('Make Us your homepage'))
  );    
  $form['addtofavorites_config_icons'] = array(
    '#type' => 'fieldset',
	'#title' => 'Addtofavorites Icons Block Settings',
  );    
  $form['addtofavorites_config_icons']['addtofavorites_icons'] = array(
        '#type' => 'checkbox',
        '#title' => t('Enable icons'),
        '#default_value' => variable_get('addtofavorites_icons', 1),
  );     

  return system_settings_form($form);
}

function addtofavorites_block($op = 'list', $delta = 0, $edit = array()) {
  // The $op parameter determines what piece of information is being requested.
  if ($op == 'list') {
    // If $op is "list", we just need to return a list of block descriptions. This
    // is used to provide a list of possible blocks to the administrator.
    $blocks[0]['info'] = t("Addtofavorites : Help users to add this website to their browser's (IE, Mozilla, ...) bookmarks");
    return $blocks;
  }
  else if ($op == 'save' && $delta == 0) {
      variable_set('addtofavorites_block_title', $edit['addtofavorites_block_title']);
  }
  else if ($op == 'view') {
      switch ($delta) {
      case 0:
      $block = array();
    // If $op is "view", then we need to generate the block for display purposes.
    // The $delta parameter tells us which block is being requested.
    // The subject is displayed at the top of the block. Note that it should
    // be passed through t() for translation.
    $block['subject'] = variable_get('addtofavorites_block_title', t("Add the website to your browser's favorites"));
    // The content of the block is typically generated by calling a custom
    // function.
    $sitename = variable_get('site_name', 'drupal');
    $pagetitle = strip_tags(drupal_get_title());
    $pagetitle = $pagetitle ? $pagetitle . ' | ' . $sitename : $sitename;
    $siteurl = url('', null, null, true);  
    $display_links = variable_get('addtofavorites_links',1); //add the links or not 
    $display_site_OK = variable_get('addtofavorites_site_OK', 1); //bookmark the site or not 
    $display_text_site = variable_get('addtofavorites_site', t("Bookmark this site"));
    $display_page_OK = variable_get('addtofavorites_page_OK', 1); //bookmark the page or not
    $display_text_page = variable_get('addtofavorites_page', t("Bookmark this page"));
    $display_icons = variable_get('addtofavorites_icons',1); //add the icons or not 
    $display_icon_site = base_path() . drupal_get_path('module', 'addtofavorites') ."/images/bookmark_site.gif"; 
    $display_icon_page = base_path() . drupal_get_path('module', 'addtofavorites') ."/images/bookmark_page.gif";
    $display_homepage_OK = variable_get('addtofavorites_homepage_OK', 1); //add the site to the browser's homepage
    $display_text_homepage = variable_get('addtofavorites_homepage', t("Make Us your homepage"));
    $display_icon_homepage = base_path() . drupal_get_path('module', 'addtofavorites') ."/images/set_homepage.gif";
    
    
    $path = drupal_get_path('module', 'addtofavorites');
    
    drupal_add_js($path . '/addtofavorites.js');
    $links = "";

    if ($display_site_OK) {
            $links .= "<a href=\"#\" onclick=\"javascript:addtofavorites";
	    $links .= "('" . $siteurl . "','" . $sitename . "')\">";
            if ($display_icons) {
	    	$links .= "<img src=\"" . $display_icon_site . "\"";
	    	$links .= " alt=\"" . $display_text_site . "\" style=\"vertical-align:absmiddle;\" />";
	    }
	    if ($display_links) {
	    	$links .= $display_text_site;
	    	$links .= "<br />\n";  //if we don't display links then align horizontally the icons
	    }
	    $links .= "</a>";
    }
    if ($display_page_OK) {
	    $links .= "<a href=\"#\" onclick=\"javascript:addtofavorites";
	    $links .= "(top.location.href, '" . $pagetitle . "')\">"; 
            if ($display_icons) { 
	    	$links .= "<img src=\"" . $display_icon_page . "\"";
	    	$links .= " alt=\"" . $display_text_page . "\" style=\"vertical-align:absmiddle;\" />";
	    }
	    if ($display_links) { 
	    	$links .= $display_text_page;
	    	$links .= "<br />\n";  //if we don't display links then align horizontally the icons
	    }
	    $links .= "</a>";
    }
    if ($display_homepage_OK) {     
    	    $links .= "<a href=\"#\" ";
    	    $links .= "onclick=\"this.style.behavior='url(#default#homepage)';this.setHomePage('" . $siteurl . "')\">";
                if ($display_icons) { 
    	    	$links .= "<img src=\"" . $display_icon_homepage . "\"";
    	    	$links .= " alt=\"" . $display_text_homepage . "\" style=\"vertical-align:absmiddle;\" />";
    	    }
    	    if ($display_links) { 
    	    	$links .= $display_text_homepage;
    	    }
    	    $links .= "</a>";
    }
    $block['content'] = $links;
    }
    return $block;
  }
}