flash messages pour indiquer qu'une action s'est bien effectuée ou qu'il y a eu une erreur

css/style.css

@@ -199,4 +199,19 @@ body.article {
     }
 }
 
+/*** ***/
+/*** MESSAGES ***/
 
+.messages { width: 100%; -moz-border-radius: 4px; border-radius: 4px; display: block; padding: 10px 0; margin: 10px auto 10px; clear: both; }
+.messages a.closeMessage { margin: -14px -8px 0 0; display:none; width: 16px; height: 16px; float: right; background: url(../img/messages/close.png) no-repeat; }
+/*.messages:hover a.closeMessage { visibility:visible; }*/
+.messages p { margin: 3px 0 3px 10px !important; padding: 0 10px 0 23px !important; font-size: 14px; line-height: 16px; }
+.messages.error { border: 1px solid #C42608; color: #c00 !important; background: #FFF0EF; }
+.messages.error p { background: url(../img/messages/cross.png ) no-repeat 0px 50%; color:#c00 !important; }
+.messages.success {background: #E0FBCC; border: 1px solid #6DC70C; } 
+.messages.success p { background: url(../img/messages/tick.png) no-repeat 0px 50%; color: #2B6301 !important; }
+.messages.warning { background: #FFFCD3; border: 1px solid #EBCD41; color: #000; }
+.messages.warning p { background: url(../img/messages/warning.png ) no-repeat 0px 50%; color: #5F4E01; }
+.messages.information, .messages.info { background: #DFEBFB; border: 1px solid #82AEE7; }
+.messages.information p, .messages.info p { background: url(../img/messages/help.png ) no-repeat 0px 50%; color: #064393; }
+.messages.information a { text-decoration: underline; }

inc/class.messages.php

@@ -0,0 +1,231 @@
+<?php
+//--------------------------------------------------------------------------------------------------
+// Session-Based Flash Messages v1.0
+// Copyright 2012 Mike Everhart (http://mikeeverhart.net)
+//
+//   Licensed under the Apache License, Version 2.0 (the "License");
+//   you may not use this file except in compliance with the License.
+//   You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+//   Unless required by applicable law or agreed to in writing, software
+//   distributed under the License is distributed on an "AS IS" BASIS,
+//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   See the License for the specific language governing permissions and
+//	 limitations under the License.
+//	 
+//------------------------------------------------------------------------------
+// Description:
+//------------------------------------------------------------------------------
+//
+//	Stores messages in Session data to be easily retrieved later on.
+// 	This class includes four different types of messages:
+//  - Success
+//  - Error
+//  - Warning
+//  - Information
+// 
+//  See README for basic usage instructions, or see samples/index.php for more advanced samples
+//
+//--------------------------------------------------------------------------------------------------
+// Changelog
+//--------------------------------------------------------------------------------------------------
+// 
+//	2011-05-15 - v1.0 - Initial Version
+//
+//--------------------------------------------------------------------------------------------------
+
+class Messages {
+	
+	//-----------------------------------------------------------------------------------------------
+	// Class Variables
+	//-----------------------------------------------------------------------------------------------	
+	var $msgId;
+	var $msgTypes = array( 'help', 'info', 'warning', 'success', 'error' );
+	var $msgClass = 'messages';
+	var $msgWrapper = "<div class='%s %s'><a href='#' class='closeMessage'></a>\n%s</div>\n";
+	var $msgBefore = '<p>';
+	var $msgAfter = "</p>\n";
+
+	
+	/**
+	 * Constructor
+	 * @author Mike Everhart
+	 */
+	public function __construct() {
+	
+		// Generate a unique ID for this user and session
+		$this->msgId = md5(uniqid());
+		
+		// Create the session array if it doesnt already exist
+		if( !array_key_exists('flash_messages', $_SESSION) ) $_SESSION['flash_messages'] = array();
+		
+	}
+	
+	/**
+	 * Add a message to the queue
+	 * 
+	 * @author Mike Everhart
+	 * 
+	 * @param  string   $type        	The type of message to add
+	 * @param  string   $message     	The message
+	 * @param  string   $redirect_to 	(optional) If set, the user will be redirected to this URL
+	 * @return  bool 
+	 * 
+	 */
+	public function add($type, $message, $redirect_to=null) {
+		
+		if( !isset($_SESSION['flash_messages']) ) return false;
+		
+		if( !isset($type) || !isset($message[0]) ) return false;
+
+		// Replace any shorthand codes with their full version
+		if( strlen(trim($type)) == 1 ) {
+			$type = str_replace( array('h', 'i', 'w', 'e', 's'), array('help', 'info', 'warning', 'error', 'success'), $type );
+		
+		// Backwards compatibility...
+		} elseif( $type == 'information' ) {
+			$type = 'info';	
+		}
+		
+		// Make sure it's a valid message type
+		if( !in_array($type, $this->msgTypes) ) die('"' . strip_tags($type) . '" is not a valid message type!' );
+		
+		// If the session array doesn't exist, create it
+		if( !array_key_exists( $type, $_SESSION['flash_messages'] ) ) $_SESSION['flash_messages'][$type] = array();
+		
+		$_SESSION['flash_messages'][$type][] = $message;
+
+		if( !is_null($redirect_to) ) {
+			header("Location: $redirect_to");
+			exit();
+		}
+		
+		return true;
+		
+	}
+	
+	//-----------------------------------------------------------------------------------------------
+	// display()
+	// print queued messages to the screen
+	//-----------------------------------------------------------------------------------------------
+	/**
+	 * Display the queued messages
+	 * 
+	 * @author Mike Everhart
+	 * 
+	 * @param  string   $type     Which messages to display
+	 * @param  bool  	$print    True  = print the messages on the screen
+	 * @return mixed              
+	 * 
+	 */
+	public function display($type='all', $print=true) {
+		$messages = '';
+		$data = '';
+		
+		if( !isset($_SESSION['flash_messages']) ) return false;
+		
+		if( $type == 'g' || $type == 'growl' ) {
+			$this->displayGrowlMessages();
+			return true;
+		}
+		
+		// Print a certain type of message?
+		if( in_array($type, $this->msgTypes) ) {
+			foreach( $_SESSION['flash_messages'][$type] as $msg ) {
+				$messages .= $this->msgBefore . $msg . $this->msgAfter;
+			}
+
+			$data .= sprintf($this->msgWrapper, $this->msgClass, $type, $messages);
+			
+			// Clear the viewed messages
+			$this->clear($type);
+		
+		// Print ALL queued messages
+		} elseif( $type == 'all' ) {
+			foreach( $_SESSION['flash_messages'] as $type => $msgArray ) {
+				$messages = '';
+				foreach( $msgArray as $msg ) {
+					$messages .= $this->msgBefore . $msg . $this->msgAfter;	
+				}
+				$data .= sprintf($this->msgWrapper, $this->msgClass, $type, $messages);
+			}
+			
+			// Clear ALL of the messages
+			$this->clear();
+		
+		// Invalid Message Type?
+		} else { 
+			return false;
+		}
+		
+		// Print everything to the screen or return the data
+		if( $print ) { 
+			echo $data; 
+		} else { 
+			return $data; 
+		}
+	}
+	
+	
+	/**
+	 * Check to  see if there are any queued error messages
+	 * 
+	 * @author Mike Everhart
+	 * 
+	 * @return bool  true  = There ARE error messages
+	 *               false = There are NOT any error messages
+	 * 
+	 */
+	public function hasErrors() { 
+		return empty($_SESSION['flash_messages']['error']) ? false : true;	
+	}
+	
+	/**
+	 * Check to see if there are any ($type) messages queued
+	 * 
+	 * @author Mike Everhart
+	 * 
+	 * @param  string   $type     The type of messages to check for
+	 * @return bool            	  
+	 * 
+	 */
+	public function hasMessages($type=null) {
+		if( !is_null($type) ) {
+			if( !empty($_SESSION['flash_messages'][$type]) ) return $_SESSION['flash_messages'][$type];	
+		} else {
+			foreach( $this->msgTypes as $type ) {
+				if( !empty($_SESSION['flash_messages']) ) return true;	
+			}
+		}
+		return false;
+	}
+	
+	/**
+	 * Clear messages from the session data
+	 * 
+	 * @author Mike Everhart
+	 * 
+	 * @param  string   $type     The type of messages to clear
+	 * @return bool 
+	 * 
+	 */
+	public function clear($type='all') { 
+		if( $type == 'all' ) {
+			unset($_SESSION['flash_messages']); 
+		} else {
+			unset($_SESSION['flash_messages'][$type]);
+		}
+		return true;
+	}
+	
+	public function __toString() { return $this->hasMessages();	}
+
+	public function __destruct() {
+		//$this->clear();
+	}
+
+
+} // end class
+?>

inc/config.php

@@ -28,8 +28,12 @@ require_once 'Session.class.php';
 require_once 'store/store.class.php';
 require_once 'store/sqlite.class.php';
 require_once 'store/file.class.php';
+require_once 'class.messages.php';
+
+Session::init();
 
 $store 	= new $storage_type();
+$msg 	= new Messages();
 
 # initialisation de RainTPL
 raintpl::$tpl_dir   = './tpl/';
@@ -38,3 +42,4 @@ raintpl::$base_url  = get_poche_url();
 raintpl::configure('path_replace', false);
 raintpl::configure('debug', false);
 $tpl = new raintpl();
+$tpl->assign('msg', $msg);

inc/functions.php

@@ -125,6 +125,7 @@ function prepare_url($url)
         }
     }
 
+    $msg->add('e', 'error during url preparation');
     logm('error during url preparation');
     return FALSE;
 }
@@ -236,7 +237,7 @@ function remove_directory($directory)
 
 function display_view($view, $id = 0, $full_head = 'yes')
 {
-    global $tpl, $store;
+    global $tpl, $store, $msg;
 
     switch ($view)
     {
@@ -300,7 +301,7 @@ function display_view($view, $id = 0, $full_head = 'yes')
  */
 function action_to_do($action, $url, $id = 0)
 {
-    global $store;
+    global $store, $msg;
 
     switch ($action)
     {
@@ -315,9 +316,11 @@ function action_to_do($action, $url, $id = 0)
                     if (DOWNLOAD_PICTURES) {
                         $content = filtre_picture($parametres_url['content'], $url, $last_id);
                     }
+                    $msg->add('s', 'the link has been added successfully');
                 }
             }
             else {
+                $msg->add('e', 'the link has been added successfully');
                 logm($url . ' is not a valid url');
             }
 
@@ -326,14 +329,17 @@ function action_to_do($action, $url, $id = 0)
         case 'delete':
             remove_directory(ABS_PATH . $id);
             $store->deleteById($id);
+            $msg->add('s', 'the link has been deleted successfully');
             logm('delete link #' . $id);
             break;
         case 'toggle_fav' :
             $store->favoriteById($id);
+            $msg->add('s', 'the favorite toggle has been done successfully');
             logm('mark as favorite link #' . $id);
             break;
         case 'toggle_archive' :
             $store->archiveById($id);
+            $msg->add('s', 'the archive toggle has been done successfully');
             logm('archive link #' . $id);
             break;
         default:

index.php

@@ -10,9 +10,8 @@
 
 include dirname(__FILE__).'/inc/config.php';
 
-# initialize session
 myTool::initPhp();
-Session::init();
+
 # XSRF protection with token
 if (!empty($_POST)) {
     if (!Session::isToken($_POST['token'])) {

tpl/home.html

@@ -16,3 +16,4 @@
                 <li><img src="img/up.png" onclick="sort_links('{$view}', 'ta');" title="by title asc" /> by title <img src="img/down.png" onclick="sort_links('{$view}', 'td');" title="by title desc" /></li>
             </ul>
             {/if}
+            {include="messages"}

tpl/messages.html

@@ -0,0 +1 @@
+<div id="messages"><?php echo $msg->display(); ?></div>