arrays and simple conditional blocks in template, template for nav, load templates from themes

2 files changed, 80 insertions, 31 deletions

diff --git a/include/nav.php b/include/nav.php
index fa4b0a5cc..2ead5c07e 100644
--- a/include/nav.php
+++ b/include/nav.php
@@ -16,7 +16,6 @@ function nav(&$a) {
 	 */
 
 	$a->page['nav'] .= '<div id="panel" style="display: none;"></div>' ;
-	$a->page['nav'] .= lang_selector();
 
 	/**
 	 *
@@ -28,24 +27,23 @@ function nav(&$a) {
 
 	$myident = ((is_array($a->user) && isset($a->user['nickname'])) ? $a->user['nickname'] . '@' : '');
 		
-	$a->page['nav'] .= '<div id="site-location">' . $myident . substr($a->get_baseurl(),strpos($a->get_baseurl(),'//') + 2 ) . '</div>';
+	$sitelocation = $myident . substr($a->get_baseurl(),strpos($a->get_baseurl(),'//') + 2 );
 
 
+	// nav links: array of array('href', 'text', 'extra css classes')
+	$nav = Array();
+
 	/**
 	 * Display login or logout
 	 */
 
 	if(local_user()) {
-		$a->page['nav'] .= '<a id="nav-logout-link" class="nav-link" href="logout">' . t('Logout') . "</a>\r\n";
+		$nav['logout'] = Array('logout',t('Logout'), "");
 	}
 	else {
-		$a->page['nav'] .= '<a id="nav-login-link" class="nav-login-link';
-		if ($a->module == 'login') { $a->page['nav'] .= ' nav-selected';  }
-
-		$a->page['nav'] .= '" href="login">' . t('Login') . "</a>\r\n";
+		$nav['login'] = Array('login',t('Login'), ($a->module == 'login'?'nav-selected':''));
 	}
 
-	$a->page['nav'] .= "<span id=\"nav-link-wrapper\" >\r\n";
 
 	/**
 	 * "Home" should also take you home from an authenticated remote profile connection
@@ -54,23 +52,23 @@ function nav(&$a) {
 	$homelink = ((x($_SESSION,'visitor_home')) ? $_SESSION['visitor_home'] : '');
 
 	if(($a->module != 'home') && (! (local_user()))) 
-		$a->page['nav'] .= '<a id="nav-home-link" class="nav-commlink" href="' . $homelink . '">' . t('Home') . "</a>\r\n";
+		$nav['home'] = array($homelink, t('Home'), "");
 
 
 	if(($a->config['register_policy'] == REGISTER_OPEN) && (! local_user()) && (! remote_user()))
-		$a->page['nav'] .= '<a id="nav-register-link" class="nav-commlink" href="register" >' 
-			. t('Register') . "</a>\r\n";
+		$nav['register'] = array('register',t('Register'), "");
 
 	$help_url = $a->get_baseurl() . '/help';
 
 	if(! get_config('system','hide-help'))
-		$a->page['nav'] .= '<a id="nav-help-link" class="nav-link" target="friendika-help" href="' . $help_url . '">' . t('Help') . "</a>\r\n";
+		$nav['help'] = array($help_url, t('Help'), "");
+
 
 	if(strlen($a->apps)) {
-		$a->page['nav'] .= '<a id="nav-apps-link" class="nav-link" href="apps">' . t('Apps') . "</a>\r\n";
+		$nav['apps'] = array('apps', t('Apps'), "");
 	}
 
-	$a->page['nav'] .= '<a id="nav-search-link" class="nav-link" href="search">' . t('Search') . "</a>\r\n";
+	$nav['search'] = array('search', t('Search'), "");
 
 	$gdirpath = 'directory';
 
@@ -80,7 +78,7 @@ function nav(&$a) {
 			$gdirpath = $gdir;
 	}
 
-	$a->page['nav'] .= '<a id="nav-directory-link" class="nav-link" href="' . $gdirpath . '">' . t('Directory') . "</a>\r\n";
+	$nav['directory'] = array($gdirpath, t('Directory'), ""); 
 
 	/**
 	 *
@@ -90,36 +88,30 @@ function nav(&$a) {
 
 	if(local_user()) {
 
-		$a->page['nav'] .= '<a id="nav-network-link" class="nav-commlink" href="network">' . t('Network') 
-			. '</a><span id="net-update" class="nav-ajax-left"></span>' . "\r\n";
+		$nav['network'] = array('network', t('Network'), "");
+
+		$nav['home'] = array('profile/' . $a->user['nickname'], t('Home'), "");
 
-		$a->page['nav'] .= '<a id="nav-home-link" class="nav-commlink" href="profile/' . $a->user['nickname'] . '">' 
-			. t('Home') . '</a><span id="home-update" class="nav-ajax-left"></span>' . "\r\n";
 
 		/* only show friend requests for normal pages. Other page types have automatic friendship. */
 
 		if($_SESSION['page_flags'] == PAGE_NORMAL) {
-			$a->page['nav'] .= '<a id="nav-notify-link" class="nav-commlink" href="notifications">' . t('Notifications') 
-				. '</a><span id="notify-update" class="nav-ajax-left"></span>' . "\r\n";
+			$nav['notifications'] = array('notifications',	t('Notifications'), "");
 		}
 
-		$a->page['nav'] .= '<a id="nav-messages-link" class="nav-commlink" href="message">' . t('Messages') 
-			. '</a><span id="mail-update" class="nav-ajax-left"></span>' . "\r\n";
+		$nav['messages'] = array('message', t('Messages'), "");
 		
 		if(is_array($a->identities) && count($a->identities) > 1) {
-			$a->page['nav'] .= '<a id="nav-manage-link" class="nav-commlink" href="manage">' . t('Manage') . '</a>' . "\r\n"; 
+			$nav['manage'] = array('manage', t('Manage'), "");
 		}
 
-		$a->page['nav'] .= '<a id="nav-settings-link" class="nav-link" href="settings">' . t('Settings') . "</a>\r\n";
-
-		$a->page['nav'] .= '<a id="nav-profiles-link" class="nav-link" href="profiles">' . t('Profiles') . "</a>\r\n";
-
-		$a->page['nav'] .= '<a id="nav-contacts-link" class="nav-link" href="contacts">' . t('Contacts') . "</a>\r\n";
+		$nav['settings'] = array('settings', t('Settings'),"");
+		$nav['profiles'] = array('profiles', t('Profiles'),"");
+		$nav['contacts'] = array('contacts', t('Contacts'),"");
 
 		
 	}
 
-	$a->page['nav'] .= "</span>\r\n<span id=\"nav-end\"></span>\r\n";
 
 	/**
 	 *
@@ -133,7 +125,14 @@ function nav(&$a) {
 		$banner .= '<a href="http://project.friendika.com"><img id="logo-img" src="images/friendika-32.png" alt="logo" /></a><span id="logo-text"><a href="http://project.friendika.com">Friendika</a></span>';
 
 
-	$a->page['nav'] .= '<span id="banner">' . $banner . '</span>';
+	$tpl = load_view_file('view/nav.tpl');
+
+	$a->page['nav'] .= replace_macros($tpl, array(
+		'$langselector' => lang_selector(),
+		'$sitelocation' => $sitelocation,
+		'$nav' => $nav,
+		'$banner' =>  $banner,
+	));
 
 	call_hooks('page_header', $a->page['nav']);
 
diff --git a/include/template_processor.php b/include/template_processor.php
new file mode 100644
index 000000000..f6d0264df
--- /dev/null
+++ b/include/template_processor.php
@@ -0,0 +1,50 @@
+<?php
+	
+
+	class Template {
+		var $s;
+		var $r;
+		var $search;
+		var $replace;
+		
+		private function _build_replace($r, $prefix){
+	
+			if(is_array($r) && count($r)) {
+				foreach ($r as $k => $v ) {
+					if (is_array($v))
+						$this->_build_replace($v, "$prefix$k.");
+					
+					$this->search[] =  $prefix . $k;
+					$this->replace[] = $v;
+				}
+			}
+		} 
+		
+		private function _replcb_if($m){
+			//echo "<pre>"; var_dump($m);
+			$keys = explode(".",$m[1]);
+			$val = $this->r;
+			foreach($keys as $k) {
+				$val = $val[$k];
+			}
+			
+			//echo $val;
+			return ($val?$m[2]:"");
+		}
+		
+		public function replace($s, $r) {
+			$this->s = $s;
+			$this->r = $r;
+			$this->search = array();
+			$this->replace = array();
+	
+			$this->_build_replace($r, "");
+	
+			
+			$s = preg_replace_callback("|{{ *if *([^ }]*) *}}([^{]*){{ *endif *}}|", array($this, "_replcb_if"), $s);
+			
+			return str_replace($this->search,$this->replace,$s);
+		}
+		
+	}	
+	$t = new Template;