GTranslationToolbox.module

<?php
// $Id$
/**
 * @file
 * Module for translation service depends on Google Language API.
 */
 
/**
 * Implementation of hook_help()
 */
function GTranslationToolbox_help($path, $arg) {
    if($path == 'admin/help#GTranslationToolbox') {
        $txt = 'This module provides translation to all languages that Google Language API supports:'
		.'<ul>'
		.'<li>A block for translation panel -- Google translation tool.</li>'
		.'<li>A translate widget for content.</li>'
		.'</ul>';
        return '<p>'.t($txt).'</p>';
    }
}

/**
 * Implementation of hook_init().
 */
function GTranslationToolbox_init() {
    drupal_set_html_head('<script src="http://www.google.com/jsapi" type="text/javascript"></script>');
}

/**
 * Implementation of hook_menu().
 */
function GTranslationToolbox_menu() {
  $items['admin/settings/gtranslate'] = array(
    'title' => 'Google Translating Tool settings',
    'description' => 'Configure translation tools.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('gtranslation_admin_settings_form'),
    'access arguments' => array('administer site configuration'),
    'type' => MENU_NORMAL_ITEM,
  );
  /*$items['node/%node/gtranslate'] = array(
    'title' => 'Translate',
    'page callback' => 'gtranslate',
    'page arguments' => array(1, 'node'),
    'access arguments'=> array('access content'),
    'type' => MENU_LOCAL_TASK,
    'weight' => 100,
    );*/
  /*$items['node/%node'] = array(
    'title' => 'Translate',
    'page callback' => 'gtranslate',
    'page arguments' => array(1, 'node'),
    'access arguments'=> array('access content'),
    'type' => MENU_LOCAL_TASK,
    'weight' => 100,
    );*/
  return $items;
}
function gtranslate($node){
    drupal_add_js(drupal_get_path("module","GTranslationToolbox")."/js/auto_translate.js");
    drupal_add_js(drupal_get_path("module","GTranslationToolbox").'/js/translation_panel.js');
    $content = node_view($node);
    $content = "<div id='translate-box' style='margin:10px auto;'>"
		."<select name='language-list' id='content-target-translate-language'></select>"
		."<button type='button' onclick='content_translate_onclick();'>Translate</button>"
		."<button type='button' onclick='content_original_onclick();'>Show Original</button>"
		."</div>"
	       .'<div id="translate-content">'.$content.'</div>'
	       .'<script type="text/javascript">
		    $(document).ready(function(){
			//load original content
			content_HTML = $("#translate-content").html();
		    });
		</script>';
	       //.'<div id="original-content" style="display:none">'.$content.'</div>';
    return $content;
}

/**
 * Add translation widget to the content
 */
function add_translation_widget($content){
    drupal_add_js(drupal_get_path("module","GTranslationToolbox")."/js/auto_translate.js");
    drupal_add_js(drupal_get_path("module","GTranslationToolbox").'/js/translation_panel.js');
    $new_content = "<div id='translate-box' style='margin:10px auto;'>"
		."<select name='language-list' id='content-target-translate-language'></select>"
		."<button type='button' onclick='content_translate_onclick();'>Translate</button>"
		."<button type='button' onclick='content_original_onclick();'>Show Original</button>"
		."</div>"
	        .'<div id="translate-content">'.$content.'</div>'
	        .'<script type="text/javascript">
		    $(document).ready(function(){
			//load original content
			content_HTML = $("#translate-content").html();
		    });
		</script>';
	       //.'<div id="original-content" style="display:none">'.$content.'</div>';
    return $new_content;
}

/**
 * Implementation of hook_block().
 */
function GTranslationToolbox_block($op = 'list', $delta = 0, $edit = array()){
    switch($op){
        case 'list':
            $blocks[0]['info'] = t('Google translation tool');
	    $blocks[1]['info'] = t('Whole page translate');
            return $blocks;
        case 'view':
	    $module_path = drupal_get_path('module', 'GTranslationToolbox');
	    drupal_add_js($module_path.'/translation_panel.js');
	    switch($delta){
		case 0: 
		    $blocks['subject'] = t('Translation');
		    $blocks['content'] = drupal_get_form('Google_Translation_Tool_form');
		    return $blocks;
		case 1:
		    $blocks['subject'] = t('Translate Page');
		    $blocks['content'] = '<select name="language-list" id="page-target-translate-language"></select>'
		                         .'<input class="form-submit" onclick="translate_page_onclick()" type="button" value="Translate" />';
		    return $blocks;
	    }
    }    
}


/**
 * Implementation of the drupal_get_form function
 */
function Google_Translation_Tool_form(){
    $form['translation'] = array(
	'#type' => 'fieldset',
	'#title' => t('Translate the text user input'),
    );
    $form['translation']['original_text'] = array(
	'#type' => 'textarea',
	'#title' => t('Original text'),
	'#suffix' => "<select name='language-list' id='text-target-translate-language'></select>"
		    ."<input type='button' id='translate' value='Translate to' onclick='translationtext()' />",
    );
    $form['translation']['translation_text'] = array(
	'#type' => 'textarea',
	'#title' => t('Translated copy'),
    );
    return $form;
}

/** form for set translate tool **/
function gtranslation_admin_settings_form(){
    $form['content-translate'] = array(
        '#type' => 'radios',
        '#title' => t('Content page translate tool bar'),
        '#options' => array('enable'=>'Enable', 'disable'=>'Disable'),
        '#required' => TRUE,
        '#default_value' => variable_get('open_g_translation_widget', 'disable'),
    );
    $form['submit'] = array(
        '#type' => 'submit',
        '#value' => t('Save'),
    );
    return $form;
}
function gtranslation_admin_settings_form_submit($form, &$form_state){
    $content = $form_state['values']['content-translate'];
    if($content){
        variable_set('open_g_translation_widget', $content);
        drupal_set_message(t('Saved the configuration'));
    }
}