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<?php (defined('BASEPATH')) OR exit('No direct script access allowed'); |
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/** |
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* Class for building pages |
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* @author Timothy J. Warren <[email protected]> |
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* |
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* All methods are chainable, with the exception of the constructor, |
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* build_header(), build_footer(), and _headers() methods. |
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*/ |
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class Page { |
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private $meta, $head_js, $foot_js, $css, $title, |
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$head_tags, $body_id; |
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/** |
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* Current Controller Instance |
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* |
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* @var CI_Controller |
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*/ |
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private $CI; |
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/** |
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* Constructor |
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*/ |
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public function __construct() |
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{ |
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$this->meta = ""; |
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$this->head_js = ""; |
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$this->foot_js = ""; |
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$this->css = ""; |
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$this->title = ""; |
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$this->head_tags = ""; |
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$this->body_id = ""; |
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$this->CI =& get_instance(); |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Sets server headers and doctype |
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* |
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* Also sets page mime type, based on if sent as |
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* html or xhtml, and what the target browser |
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* supports |
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* |
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* @return Page |
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*/ |
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private function _headers() |
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{ |
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$this->CI->output->set_header("Cache-Control: must-revalidate, public"); |
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$this->CI->output->set_header("Vary: Accept"); |
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//Predefine charset and mime |
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$charset = "UTF-8"; |
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$mime = "text/html"; |
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$doctype_string = doctype('html5') . "\n<html lang='en'>"; |
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// finally, output the mime type and prolog type |
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$this->CI->output->set_header("Content-Type: $mime;charset=$charset"); |
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$this->CI->output->set_header("X-UA-Compatible: chrome=1"); |
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$this->CI->output->set_output($doctype_string); |
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return $this; |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Set Meta |
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* |
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* Sets meta tags, with codeigniter native meta tag helper |
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* |
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* @param array $meta |
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* @return Page |
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*/ |
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public function set_meta($meta) |
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{ |
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$this->meta .= T1.meta($meta).NL; |
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return $this; |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Sets minified javascript group in header |
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* @param string $group |
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* @param bool $debug |
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* @return Page |
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*/ |
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View Code Duplication |
public function set_head_js_group($group, $debug=FALSE) |
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{ |
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$file = $this->CI->config->item('group_style_path') . $group; |
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$file .= ($debug == TRUE) ? "/debug/1" : ""; |
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$this->head_js .= $this->script_tag($file, FALSE); |
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return $this; |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Sets a minified css group |
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* @param string $group |
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* @return Page |
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*/ |
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public function set_css_group($group) |
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{ |
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$link = array( |
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'href' => $this->CI->config->item('group_style_path') . $group, |
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'rel' => 'stylesheet', |
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'type' => 'text/css', |
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); |
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$this->css .= T1.link_tag($link).NL; |
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return $this; |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Sets a minified javascript group for the page footer |
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* @param string $group |
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* @return Page |
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*/ |
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View Code Duplication |
public function set_foot_js_group($group, $debug=FALSE) |
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{ |
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$file = $this->CI->config->item('group_style_path') . $group; |
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$file .= ($debug == TRUE) ? "/debug/1" : ""; |
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$this->foot_js .= $this->script_tag($file, FALSE); |
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return $this; |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Sets html title string |
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* @param string $title |
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* @return Page |
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*/ |
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public function set_title($title="") |
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{ |
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$title = ($title == "") ? |
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$this->CI->config->item('default_title') : $title; |
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$this->title = $title; |
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return $this; |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Sets custom body id |
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* @param string $id |
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* @return Page |
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*/ |
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public function set_body_id($page_id="") |
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{ |
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$this->body_id = $page_id; |
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return $this; |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Sets custom page header |
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* @return $this |
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*/ |
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public function build_header() |
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{ |
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$data = array(); |
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//Set Meta Tags |
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$this->meta = T1.'<meta charset="utf-8" />'.NL. $this->meta; |
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$data['meta'] = $this->meta; |
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//Set CSS |
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if ($this->css != "") |
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{ |
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$data['css'] = $this->css; |
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} |
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else |
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{ |
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//Set default CSS group |
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$this->set_css_group($this->CI->config->item('default_css_group')); |
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$data['css'] = $this->css; |
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} |
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//Set head javascript |
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$data['head_js'] = ( ! empty($this->head_js)) ? $this->head_js : ""; |
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//Set Page Title |
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$data['title'] = ( ! empty($this->title)) ? $this->title : $this->CI->config->item('default_title'); |
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//Set Body Id |
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$data['body_id'] = $this->body_id; |
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//Set Server Headers and Doctype |
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$this->_headers(); |
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//Output Header |
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$this->CI->load->view('header', $data); |
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return $this; |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Shortcut method to cut down on boilerplate |
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* |
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* @param string $view |
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* @param array|object $data |
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* @return void |
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*/ |
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public function build($view, $data = array()) |
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{ |
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$this->build_header(); |
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$this->CI->load->view($view, $data); |
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$this->build_footer(); |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Builds common footer with any additional js |
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*/ |
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public function build_footer() |
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{ |
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$data = array(); |
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$data['foot_js'] = ($this->foot_js != "") ? |
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$this->foot_js : ''; |
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$this->CI->load->view('footer', $data); |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Script Tag |
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* |
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* Helper function for making script tags |
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* |
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* @param string $javascript |
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* @param bool $domain |
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* @return string |
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*/ |
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private function script_tag($javascript, $domain=TRUE) |
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{ |
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$path = $this->CI->config->item('content_domain'); |
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$js_file = $path . "/js/" . $javascript . ".js"; |
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if ($domain == FALSE) |
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$js_file = $javascript; |
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$tag = '<script src="' . |
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$js_file . |
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'"></script>'.NL; |
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return $tag; |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Num Queries |
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* |
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* Returns number of queries run on a page |
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* |
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* @return int |
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*/ |
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public function num_queries() |
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{ |
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return (isset($this->CI->db)) ? count($this->CI->db->queries) : 0; |
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} |
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// -------------------------------------------------------------------------- |
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/** |
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* Set Message |
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* |
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* Adds a message to the page |
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* @param string $type |
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* @param string $message |
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* @param bool $return |
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* @return mixed |
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*/ |
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public function set_message($type, $message, $return = FALSE) |
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{ |
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$data = array(); |
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$data['stat_type'] = $type; |
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$data['message'] = $message; |
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return $this->CI->load->view('message', $data, $return); |
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} |
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} |
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