[ticket/10270] Added JavaScript popups and basic AJAX functionality to PHP.

This commit adds the phpbb object (JavaScript), and alert and confirm box
methods. It also adds the first basic AJAX functionality, to deleting posts
in viewtopic.

PHPBB3-10270

phpBB/includes/functions.php

@@ -2448,8 +2448,17 @@ function build_url($strip_vars = false)
 */
 function meta_refresh($time, $url, $disable_cd_check = false)
 {
-	global $template;
+	global $template, $refresh_data;
 
+	if (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest')
+	{
+		$refresh_data = array(
+			'time'	=> $time,
+			'url'		=> str_replace('&', '&', $url)
+		);
+	}
+	else
+	{
 		$url = redirect($url, true, $disable_cd_check);
 		$url = str_replace('&', '&', $url);
 
@@ -2457,6 +2466,7 @@ function meta_refresh($time, $url, $disable_cd_check = false)
 		$template->assign_vars(array(
 			'META' => '<meta http-equiv="refresh" content="' . $time . ';url=' . $url . '" />')
 		);
+	}
 
 	return $url;
 }
@@ -2699,6 +2709,21 @@ function confirm_box($check, $title = '', $hidden = '', $html_body = 'confirm_bo
 		WHERE user_id = " . $user->data['user_id'];
 	$db->sql_query($sql);
 
+
+	if (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest')
+	{
+		$u_action .= '&confirm_uid=' . $user->data['user_id'] . '&sess=' . $user->session_id . '&sid=' . $user->session_id;
+		echo json_encode(array(
+			'MESSAGE_TITLE'		=> (!isset($user->lang[$title])) ? $user->lang['CONFIRM'] : $user->lang[$title],
+			'MESSAGE_TEXT' 	=> (!isset($user->lang[$title . '_CONFIRM'])) ? $title : $user->lang[$title . '_CONFIRM'],
+
+			'YES_VALUE'			=> $user->lang['YES'],
+			'S_CONFIRM_ACTION'	=> str_replace('&amp;', '&', $u_action), //inefficient, rewrite whole function
+			'S_HIDDEN_FIELDS'	=> $hidden . $s_hidden_fields
+		));
+		exit;
+	}
+
 	if (defined('IN_ADMIN') && isset($user->data['session_admin']) && $user->data['session_admin'])
 	{
 		adm_page_footer();
@@ -3922,6 +3947,20 @@ function msg_handler($errno, $msg_text, $errfile, $errline)
 				'S_USER_NOTICE'		=> ($errno == E_USER_NOTICE) ? true : false)
 			);
 
+			if ($_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest')
+			{
+				global $refresh_data;
+
+				echo json_encode(array(
+					'MESSAGE_TITLE'		=> $msg_title,
+					'MESSAGE_TEXT'		=> $msg_text,
+					'S_USER_WARNING'	=> ($errno == E_USER_WARNING) ? true : false,
+					'S_USER_NOTICE'		=> ($errno == E_USER_NOTICE) ? true : false,
+					'REFRESH_DATA'		=> (!empty($refresh_data)) ? $refresh_data : null
+				));
+				exit;
+			}
+
 			// We do not want the cron script to be called on error messages
 			define('IN_CRON', true);
 

phpBB/styles/prosilver/template/overall_footer.html

@@ -24,6 +24,9 @@
 		<!-- IF DEBUG_OUTPUT --><br />{DEBUG_OUTPUT}<!-- ENDIF -->
 		<!-- IF U_ACP --><br /><strong><a href="{U_ACP}">{L_ACP}</a></strong><!-- ENDIF -->
 	</div>
+
+	<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
+	<script src="styles/script.js"></script>
 </div>
 
 </div>

phpBB/styles/prosilver/theme/common.css

@@ -580,6 +580,34 @@ li.pagination {
 	background: none 0 50% no-repeat;
 }
 
+.row .pagination span a, li.pagination span a {
+	background-color: #FFFFFF;
+}
+
+.row .pagination span a:hover, li.pagination span a:hover {
+	background-color: #d2d2d2;
+}
+
+/* jQuery popups
+---------------------------------------- */
+.jalert {
+	background-color: #FFFFFF;
+	border: 1px solid #999999;
+	display: none;
+	position: fixed;
+	top: 100px;
+	left: 35%;
+	width: 30%;
+	z-index: 50;
+	padding: 25px;
+	padding: 0 25px 20px 25px;
+}
+
+.jalert p {
+	margin: 8px 0;
+	padding-bottom: 8px;
+}
+
 /* Miscellaneous styles
 ---------------------------------------- */
 #forum-permissions {

phpBB/styles/script.js

@@ -0,0 +1,80 @@
+var phpbb = {};
+
+/**
+ * Display a simple alert.
+ *
+ * @param string title Title of the message, eg "Information"
+ * @param string msg Message to display. Can be HTML.
+ */
+phpbb.alert = function(title, msg) {
+	var div = $('<div class="jalert"><h3>' + title + '</h3><p>' + msg + '</p></div>');
+
+	$(document).bind('click', function(e) {
+		if ($(e.target).parents('.jalert').length)
+		{
+			return true;
+		}
+		div.hide(300, function() {
+			div.remove();
+		});
+		return false;
+	});
+
+	$('body').append(div);
+	div.show(300);
+}
+
+/**
+ * Display a simple yes / no box to the user.
+ *
+ * @param string msg Message to display. Can be HTML.
+ * @param function callback Callback.
+ */
+phpbb.confirm = function(msg, callback) {
+	var div = $('<div class="jalert"><p>' + msg + '</p>\
+		<input type="button" class="jalertbut" value="Yes" />&nbsp;\
+		<input type="button" class="jalertbut" value="No" /></div>');
+
+	$('body').append(div);
+
+	$('.jalertbut').bind('click', function(event) {
+		div.hide(300, function() {
+			div.remove();
+		});
+		callback(this.value === 'Yes');
+		return false;
+	});
+	div.show(300);
+}
+
+
+
+$('.delete-icon a').click(function()
+{
+	var pid = this.href.split('&p=')[1];
+	var __self = this;
+	$.get(this.href, function(res) {
+		res = JSON.parse(res);
+		phpbb.confirm(res.MESSAGE_TEXT, function(del) {
+			if (del)
+			{
+				var p = res.S_CONFIRM_ACTION.split('?');
+				p[1] += '&confirm=Yes'
+				$.post(p[0], p[1], function(res) {
+					res = JSON.parse(res);
+					phpbb.alert(res.MESSAGE_TITLE, res.MESSAGE_TEXT)
+					$(__self).parents('div #p' + pid).remove();
+
+					//if there is a refresh, check that it isn't to the same place
+					if (res.REFRESH_DATA && res.REFRESH_DATA.url.indexOf('t=') === -1)
+					{
+						setTimeout(function() {
+							window.location = res.REFRESH_DATA.url;
+						}, res.REFRESH_DATA.time * 1000);
+					}
+				});
+			}
+		});
+	});
+	return false;
+});