display.lib.php

完美的在线教育系统

		if (is_array($column_show) ) 
		{
			for ($i=0;$i<count($column_show);$i++)
			{
				if ($column_show[$i])
				{
					$table->set_header($i, $header[$i][0], $header[$i][1], $header[$i][2], $header[$i][3]);
				}			
			}
		}		
		$table->set_form_actions($form_actions);
		$table->display();
	}	
	
		
	/**
	* Displays a normal message. It is recommended to use this function
	* to display any normal information messages.
	*
	* @author Roan Embrechts
	* @param string $message - include any additional html
	*                          tags if you need them
	* @param bool	Filter (true) or not (false)
	* @return void
	*/
	function display_normal_message($message,$filter=true)
	{
		global $charset;
		if($filter)
		{
			//filter message
			$message = htmlentities($message,ENT_QUOTES,$charset);
		}
		if (!headers_sent())
		{
			echo '
						<style type="text/css" media="screen, projection">
						/*<![CDATA[*/
						@import "'.api_get_path(WEB_CODE_PATH).'css/default.css";
						/*]]>*/
						</style>';
		}
		echo '<div class="normal-message">';
		Display :: display_icon('message_normal.gif', '', array ('style' => 'float:left; margin-right:10px;'));
		echo "<div style='margin-left: 43px'>".$message.'</div></div>';
	}

	/**
	* Displays an warning message. Use this if you want to draw attention to something
	* This can also be used for instance with the hint in the exercises
	*
	* @author Patrick Cool <[e-mail]>, Ghent University
	* @param string $message
	* @param bool	Filter (true) or not (false)
	* @return void
	*/
	function display_warning_message($message,$filter=true)
	{
		global $charset;
		if($filter){
			//filter message
			$message = htmlentities($message,ENT_QUOTES,$charset);
		}
		if (!headers_sent())
		{
			echo '
						<style type="text/css" media="screen, projection">
						/*<![CDATA[*/
						@import "'.api_get_path(WEB_CODE_PATH).'css/default.css";
						/*]]>*/
						</style>';
		}
		echo '<div class="warning-message">';
		Display :: display_icon('message_warning.png', '', array ('style' => 'float:left; margin-right:10px;'));
		echo $message.'</div>';
	}

	/**
	* Displays an confirmation message. Use this if something has been done successfully
	*
	* @author Patrick Cool <[e-mail]>, Ghent University
	* @param string $message
	* @param bool	Filter (true) or not (false)
	* @return void
	*/
	function display_confirmation_message($message,$filter=true)
	{
		global $charset;
		if($filter){
			//filter message
			$message = htmlentities($message,ENT_QUOTES,$charset);
		}
		if (!headers_sent())
		{
			echo '
						<style type="text/css" media="screen, projection">
						/*<![CDATA[*/
						@import "'.api_get_path(WEB_CODE_PATH).'css/default.css";
						/*]]>*/
						</style>';
		}
		echo '<div class="confirmation-message">';
		Display :: display_icon('message_confirmation.gif', '', array ('style' => 'float:left; margin-right:10px;margin-left:5px;'));
		echo $message.'</div>';
	}

	/**
	* Displays an error message. It is recommended to use this function if an error occurs
	*
	* @author Hugues Peeters
	* @author Roan Embrechts
	* @author Patrick Cool <[e-mail]>, Ghent University
	* @param string $message - include any additional html
	*                          tags if you need them
	* @param bool	Filter (true) or not (false)
	* @return void
	*/
	function display_error_message($message,$filter=true)
	{
		global $charset;
		if($filter){
			//filter message
			$message = htmlentities($message,ENT_QUOTES,$charset);
		}

		if (!headers_sent())
		{
			echo '
						<style type="text/css" media="screen, projection">
						/*<![CDATA[*/
						@import "'.api_get_path(WEB_CODE_PATH).'css/default.css";
						/*]]>*/
						</style>';
		}
		echo '<div class="error-message">';
		Display :: display_icon('message_error.png', '', array ('style' => 'float:left; margin-right:10px;'));
		echo $message.'</div>';
	}
	/**
	 * Return an encrypted mailto hyperlink
	 *
	 * @param - $email (string) - e-mail
	 * @param - $text (string) - clickable text
	 * @param - $style_class (string) - optional, class from stylesheet
	 * @return - encrypted mailto hyperlink
	 */
	function encrypted_mailto_link($email, $clickable_text = null, $style_class = '')
	{
		global $charset;
		if (is_null($clickable_text))
		{
			$clickable_text = $email;
		}
		//mailto already present?
		if (substr($email, 0, 7) != 'mailto:')
			$email = 'mailto:'.$email;

		//class (stylesheet) defined?
		if ($style_class != '')
			$style_class = ' class="'.$style_class.'"';

		//encrypt email
		$hmail = '';
		for ($i = 0; $i < strlen($email); $i ++)
			$hmail .= '&#'.ord($email {
			$i }).';';

		//encrypt clickable text if @ is present
		if (strpos($clickable_text, '@'))
		{
			for ($i = 0; $i < strlen($clickable_text); $i ++)
				$hclickable_text .= '&#'.ord($clickable_text {
				$i }).';';
		}
		else
		{
			$hclickable_text = htmlspecialchars($clickable_text,ENT_QUOTES,$charset);
		}

		//return encrypted mailto hyperlink
		return '<a href="'.$hmail.'"'.$style_class.' name="clickable_email_link">'.$hclickable_text.'</a>';
	}

	/**
	*	Create a hyperlink to the platform homepage.
	*	@param string $name, the visible name of the hyperlink, default is sitename
	*	@return string with html code for hyperlink
	*/
	function get_platform_home_link_html($name = '')
	{
		if ($name == '')
		{
			$name = api_get_setting('siteName');
		}
		return "<a href=\"".api_get_path(WEB_PATH)."index.php\">$name</a>";
	}
	/**
	 * Display the page header
	 * @param string The name of the page (will be showed in the page title)
	 * @param string Optional help file name
	 */
	function display_header($tool_name, $help = NULL)
	{
		$nameTools = $tool_name;
		global $_plugins,$lp_theme_css,$mycoursetheme,$user_theme,$platform_theme;
		global $httpHeadXtra, $htmlHeadXtra, $htmlIncHeadXtra, $_course, $_user, $clarolineRepositoryWeb, $text_dir, $plugins, $_user, $rootAdminWeb, $_cid, $interbreadcrumb, $charset, $language_file, $noPHP_SELF;
		global $menu_navigation;
		include (api_get_path(INCLUDE_PATH)."header.inc.php");
	}
	/**
	 * Display the page footer
	 */
	function display_footer()
	{
		global $dokeos_version; //necessary to have the value accessible in the footer
		global $_plugins;
		include (api_get_path(INCLUDE_PATH)."footer.inc.php");
	}

	/**
	 * Print an <option>-list with all letters (A-Z).
	 * @param char $selected_letter The letter that should be selected
	 */
	function get_alphabet_options($selected_letter = '')
	{
		$result = '';
		for ($i = 65; $i <= 90; $i ++) {
			$letter = chr($i);
			$result .= '<option value="'.$letter.'"';
			if ($selected_letter == $letter) {
				$result .= ' selected="selected"';
			}
			$result .= '>'.$letter.'</option>';
		}
		return $result;
	}
	/**
	* Show the so-called "left" menu for navigating
	*/
	function show_course_navigation_menu($isHidden = false)
	{
		global $output_string_menu;
		global $_setting;

		// check if the $_SERVER['REQUEST_URI'] contains already url parameters (thus a questionmark)
		if (!strstr($_SERVER['REQUEST_URI'], "?"))
		{
			$sourceurl = api_get_self()."?";
		}
		else
		{
			$sourceurl = $_SERVER['REQUEST_URI'];
		}
		$output_string_menu = "";
		if ($isHidden == "true" and $_SESSION["hideMenu"]) {

			$_SESSION["hideMenu"] = "hidden";

			$sourceurl = str_replace("&isHidden=true", "", $sourceurl);
			$sourceurl = str_replace("&isHidden=false", "", $sourceurl);

			$output_string_menu .= " <a href='".$sourceurl."&isHidden=false'>"."<img src=../../main/img/expand.gif alt='Show menu1' padding:'2px'/>"."</a>";
		}
		elseif ($isHidden == "false" and $_SESSION["hideMenu"])
		{
			$sourceurl = str_replace("&isHidden=true", "", $sourceurl);
			$sourceurl = str_replace("&isHidden=false", "", $sourceurl);

			$_SESSION["hideMenu"] = "shown";
			$output_string_menu .= "<div id='leftimg'><a href='".$sourceurl."&isHidden=true'>"."<img src=../../main/img/collapse.gif alt='Hide menu2' padding:'2px'/>"."</a></div>";
		}
		elseif ($_SESSION["hideMenu"])
		{
			if ($_SESSION["hideMenu"] == "shown") {
				$output_string_menu .= "<div id='leftimg'><a href='".$sourceurl."&isHidden=true'>"."<img src='../../main/img/collapse.gif' alt='Hide menu3' padding:'2px'/>"."</a></div>";
			}
			if ($_SESSION["hideMenu"] == "hidden") {
				$sourceurl = str_replace("&isHidden=true", "", $sourceurl);
				$output_string_menu .= "<a href='".$sourceurl."&isHidden=false'>"."<img src='../../main/img/expand.gif' alt='Hide menu4' padding:'2px'/>"."</a>";

			}
		}
		elseif (!$_SESSION["hideMenu"])
		{
			$_SESSION["hideMenu"] = "shown";
			if (isset ($_cid))
			{
				$output_string_menu .= "<div id='leftimg'><a href='".$sourceurl."&isHidden=true'>"."<img src='main/img/collapse.gif' alt='Hide menu5' padding:'2px'/>"."</a></div>";
			}
		}
	}

	/**
	 * This function displays an icon
	 * @param string $image the filename of the file (in the main/img/ folder
	 * @param string $alt_text the alt text (probably a language variable)
	 * @param array additional attributes (for instance height, width, onclick, ...)
	*/
	function display_icon($image, $alt_text = '', $additional_attributes = array ()) {
		echo Display::return_icon($image,$alt_text,$additional_attributes);
	}

	/**
	 * This function returns the htmlcode for an icon
	 *
	 * @param string $image the filename of the file (in the main/img/ folder
	 * @param string $alt_text the alt text (probably a language variable)
	 * @param array additional attributes (for instance height, width, onclick, ...)
	 *
	 * @author Patrick Cool <[e-mail]>, Ghent University
	 * @version October 2006
	*/
	function return_icon($image,$alt_text='',$additional_attributes=array())
	{
		$attribute_list = '';
		// alt text = the image if there is none provided (for XHTML compliance)
		if ($alt_text=='')
		{
			$alt_text=$image;
		}

		// managing the additional attributes
		if (!empty($additional_attributes) and is_array($additional_attributes))
		{
			$attribute_list='';
			foreach ($additional_attributes as $key=>$value)
			{
				$attribute_list.=$key.'="'.$value.'" ';
			}
		}
		return '<img src="'.api_get_path(WEB_IMG_PATH).$image.'" alt="'.$alt_text.'"  title="'.$alt_text.'" '.$attribute_list.'  />';
	}


} //end class Display
?>