From: Jason Woofenden <jason@jasonwoof.com>
Date: Wed, 4 Nov 2009 11:14:09 +0000 (-0500)
Subject: added tem_auto_last() and tem_auto_first()
X-Git-Url: https://jasonwoof.com/gitweb/?p=wfpl.git;a=commitdiff_plain;h=23c5e0913ba24aa1c689dc75577de581661858e6

added tem_auto_last() and tem_auto_first()
---

diff --git a/template.php b/template.php
index 44db726..85132c3 100644
--- a/template.php
+++ b/template.php
@@ -57,7 +57,7 @@ function parse_template_file($filename) {
 	return parse_template(file_get_contents($filename));
 }
 
-# We parse the template string into a tree of strings and sub-templates.  
+# We parse the template string into a tree of strings and sub-templates.
 # A template is a hash with a name string, a pieces array, and possibly 
 # an args array.
 
@@ -85,7 +85,7 @@ function parse_template($string) {
 				array_pop($args);  # drop '}'
 				$cur = $tem['name'];
 				if($name && $name != $cur) {
-				   	die("Invalid template: tried to close '$name', but '$cur' is current.");
+					die("Invalid template: tried to close '$name', but '$cur' is current.");
 				}
 				$tem =& $tem['parent'];
 			} else {  # value slot
@@ -209,7 +209,7 @@ function &tem_row_data($tem, $context)
 	if(count($tem['args'])) {
 		$auto_func = "tem_auto_" . $tem['args'][0];
 		function_exists($auto_func)
-		   	or die("ERROR: template auto function '$auto_func' not found.<br>\n");
+			or die("ERROR: template auto function '$auto_func' not found.<br>\n");
 	}
 	if($auto_func) $value = $auto_func($scope['data'][$key], $key, $scope);
 	else $value = $scope['data'][$key];
@@ -244,7 +244,7 @@ function top_sub_templates($tem, $is_sub = 'is_sub_template') {
 	$subs = array();
 	foreach($tem['pieces'] as $piece) {
 		if($is_sub($piece)) {
-		   	$subs[$piece['name']] = $piece;
+			$subs[$piece['name']] = $piece;
 		}
 	}
 	return $subs;
@@ -286,7 +286,21 @@ function merge_templates($main, $tem) {
 function tem_auto_sep(&$value, $key, $context) {
 	$rows =& $context['parent']['parent'];
 	if($rows['cur'] != count($rows['rows'])-1)  # last row?
-	   	return $value = true;  # show once
+		return $value = true;  # show once
+}
+
+# auto-show once, only when this is the first row of the parent
+function tem_auto_last(&$value, $key, $context) {
+	$rows =& $context['parent']['parent'];
+	if($rows['cur'] == count($rows['rows'])-1)  # last row?
+		return $value = true;  # show once
+}
+
+# auto-show once, only when this is the last row of the parent
+function tem_auto_first(&$value, $key, $context) {
+	$rows =& $context['parent']['parent'];
+	if($rows['cur'] == 0)  # first row?
+		return $value = true;  # show once
 }
 
 # 'show' sections will be shown unless the corresponding data value
@@ -359,7 +373,7 @@ class tem {
 	function tem() {
 		$this->template = array('pieces' => array());
 		$this->data = array();
-   	}
+	}
 	
 	function set($key, $value) {
 		$this->data[$key] = $value;