299 lines
6.4 KiB
PHP
Executable File
299 lines
6.4 KiB
PHP
Executable File
<?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 <tim@timshomepage.net>
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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 static $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 $debug
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* @return Page
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*/
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public function set_head_js_group($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 $group
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* @return Page
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*/
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public function set_foot_js_group($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 $js
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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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