From 32ff43a48c4cfae2c794dafda852fff0dc7a589b Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Sat, 31 Mar 2001 19:10:53 +0000
Subject: - simplified book.module so that it is easier to maintain (yet a bit 
  less sexy) - the entire module is only 258 lines.

---
 modules/book.module      | 49 ++++++++++++++++++++----------------------------
 modules/book/book.module | 49 ++++++++++++++++++++----------------------------
 2 files changed, 40 insertions(+), 58 deletions(-)

(limited to 'modules')

diff --git a/modules/book.module b/modules/book.module
index 1b975695b..6a094870a 100644
--- a/modules/book.module
+++ b/modules/book.module
@@ -44,7 +44,7 @@ function theme_book($node) {
     $output .= "<P>". check_output($node->body, 1) ."</P>";
   }
 
-  $theme->box(t("Handbook"), $output ."". book_overview($node->nid) ."". book_navigation($node));
+  $theme->box(t("Handbook"), $output ."". book_tree($node->nid) ."". book_navigation($node));
 }
 
 function book_view($node, $page = 1) {
@@ -75,12 +75,13 @@ function book_search() {
   print search_data($keys, $mod);
 }
 
-function book_toc($parent = 0, $offset = 0, $toc = array()) {
+function book_toc($parent = 0, $offset = "", $toc = array()) {
   global $status;
   $result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid AND n.lid = b.lid WHERE n.type = 'book' AND n.status = '$status[posted]' AND b.parent = '$parent' ORDER BY b.weight");
   while ($node = db_fetch_object($result)) {
-    $toc[$node->nid] = ($offset ? $offset : "") ."". ++$number .". $node->title";
-    $toc = book_toc($node->nid, ($offset ? $offset : "") ."$number.", $toc);
+    $toc[$node->nid] = "$offset $node->title";
+    if ($node->pid) $toc = book_toc($node->pid, "$offset-", $toc);
+    $toc = book_toc($node->nid, "$offset-", $toc);
   }
   return $toc;
 }
@@ -163,33 +164,23 @@ function book_delete($id) {
   return ($node = node_del("nid", $id) ? "book page has been deleted" : "failed to delete book page: change status to 'dumped' first");
 }
 
-function book_overview($parent = "", $offset = "") {
+function book_tree($parent = "") {
   global $PHP_SELF, $status;
 
-  $result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid AND n.lid = b.lid WHERE n.type = 'book' AND (n.status = '$status[posted]' OR n.status = '$status[expired]') AND b.parent = '$parent' ORDER BY b.weight");
-
-  $output .= "<DL>";
+  $result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid AND n.lid = b.lid WHERE n.type = 'book' AND n.status = '$status[posted]' AND b.parent = '$parent' ORDER BY b.weight");
 
-  $nodes = array();
+  $output .= "<UL>";
   while ($node = db_fetch_object($result)) {
-   if ($node->status == $status[posted]) {
-      $number++;
-      if ($offset) $output .= "<DT>$offset$number. <A HREF=\"node.php?id=$node->nid\">". check_output($node->title) ."</A>\n";
-      else $output .= "<DT><P>$number. <B><A HREF=\"node.php?id=$node->nid\">". check_output($node->title) ."</A></B>\n";
-      if ($PHP_SELF == "/admin.php") $output .= " <SMALL>(weight: $node->weight, status: $node->status) (<A HREF=\"admin.php?mod=book&op=edit&id=$node->nid\">edit</A>, <A HREF=\"admin.php?mod=book&op=delete&id=$node->nid\">delete</A>)</SMALL>";
-    }
-    array_push($nodes, $node);
+    $output .= "<LI><A HREF=\"node.php?id=$node->nid\">". check_output($node->title) ."</A>";
+    if ($PHP_SELF == "/admin.php") $output .= " <SMALL>(weight: $node->weight/$node->parent, status: $node->status) (<A HREF=\"admin.php?mod=book&op=edit&id=$node->nid\">edit</A>, <A HREF=\"admin.php?mod=book&op=delete&id=$node->nid\">delete</A>)</SMALL>\n";
+    if ($node->pid) $output .= book_tree($node->pid);
+    $output .= book_tree($node->nid);
   }
-
-  foreach ($nodes as $node) {
-    $output .= book_overview($node->nid, "$offset$number.");
-  }
-
-  $output .= "</DL>";
+  $output .= "</UL>";
   return $output;
 }
 
-function book_history() {
+function book_list() {
   global $status;
 
   $result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid AND n.lid = b.lid WHERE n.type = 'book' AND n.status != '$status[expired]' ORDER BY n.timestamp DESC");
@@ -206,7 +197,7 @@ function book_history() {
 function book_admin() {
   global $op, $id, $edit, $user;
 
-  print "<SMALL><A HREF=\"admin.php?mod=book&op=add\">add new page</A> | <A HREF=\"admin.php?mod=book&op=history\">history</A> | <A HREF=\"admin.php?mod=book&op=search\">search book</A> | <A HREF=\"admin.php?mod=book\">overview</A></SMALL><HR>\n";
+  print "<SMALL><A HREF=\"admin.php?mod=book&op=add\">add new page</A> | <A HREF=\"admin.php?mod=book&op=search\">search book</A> | <A HREF=\"admin.php?mod=book&op=list\">list overview</A> | <A HREF=\"admin.php?mod=book\">tree overview</A></SMALL><HR>\n";
 
   switch ($op) {
     case "add":
@@ -214,10 +205,10 @@ function book_admin() {
       break;
    case "delete":
       print book_delete($id);
-      print book_overview();
+      print book_tree();
       break;
-   case "history":
-      print book_history();
+   case "list":
+      print book_list();
       break;
     case "edit":
       print book_form(node_get_array(nid, $id));
@@ -231,10 +222,10 @@ function book_admin() {
       break;
     case t("Submit"):
       book_save($edit);
-      print book_overview();
+      print book_tree();
       break;
     default:
-      print book_overview();
+      print book_tree();
   }
 }
 
diff --git a/modules/book/book.module b/modules/book/book.module
index 1b975695b..6a094870a 100644
--- a/modules/book/book.module
+++ b/modules/book/book.module
@@ -44,7 +44,7 @@ function theme_book($node) {
     $output .= "<P>". check_output($node->body, 1) ."</P>";
   }
 
-  $theme->box(t("Handbook"), $output ."". book_overview($node->nid) ."". book_navigation($node));
+  $theme->box(t("Handbook"), $output ."". book_tree($node->nid) ."". book_navigation($node));
 }
 
 function book_view($node, $page = 1) {
@@ -75,12 +75,13 @@ function book_search() {
   print search_data($keys, $mod);
 }
 
-function book_toc($parent = 0, $offset = 0, $toc = array()) {
+function book_toc($parent = 0, $offset = "", $toc = array()) {
   global $status;
   $result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid AND n.lid = b.lid WHERE n.type = 'book' AND n.status = '$status[posted]' AND b.parent = '$parent' ORDER BY b.weight");
   while ($node = db_fetch_object($result)) {
-    $toc[$node->nid] = ($offset ? $offset : "") ."". ++$number .". $node->title";
-    $toc = book_toc($node->nid, ($offset ? $offset : "") ."$number.", $toc);
+    $toc[$node->nid] = "$offset $node->title";
+    if ($node->pid) $toc = book_toc($node->pid, "$offset-", $toc);
+    $toc = book_toc($node->nid, "$offset-", $toc);
   }
   return $toc;
 }
@@ -163,33 +164,23 @@ function book_delete($id) {
   return ($node = node_del("nid", $id) ? "book page has been deleted" : "failed to delete book page: change status to 'dumped' first");
 }
 
-function book_overview($parent = "", $offset = "") {
+function book_tree($parent = "") {
   global $PHP_SELF, $status;
 
-  $result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid AND n.lid = b.lid WHERE n.type = 'book' AND (n.status = '$status[posted]' OR n.status = '$status[expired]') AND b.parent = '$parent' ORDER BY b.weight");
-
-  $output .= "<DL>";
+  $result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid AND n.lid = b.lid WHERE n.type = 'book' AND n.status = '$status[posted]' AND b.parent = '$parent' ORDER BY b.weight");
 
-  $nodes = array();
+  $output .= "<UL>";
   while ($node = db_fetch_object($result)) {
-   if ($node->status == $status[posted]) {
-      $number++;
-      if ($offset) $output .= "<DT>$offset$number. <A HREF=\"node.php?id=$node->nid\">". check_output($node->title) ."</A>\n";
-      else $output .= "<DT><P>$number. <B><A HREF=\"node.php?id=$node->nid\">". check_output($node->title) ."</A></B>\n";
-      if ($PHP_SELF == "/admin.php") $output .= " <SMALL>(weight: $node->weight, status: $node->status) (<A HREF=\"admin.php?mod=book&op=edit&id=$node->nid\">edit</A>, <A HREF=\"admin.php?mod=book&op=delete&id=$node->nid\">delete</A>)</SMALL>";
-    }
-    array_push($nodes, $node);
+    $output .= "<LI><A HREF=\"node.php?id=$node->nid\">". check_output($node->title) ."</A>";
+    if ($PHP_SELF == "/admin.php") $output .= " <SMALL>(weight: $node->weight/$node->parent, status: $node->status) (<A HREF=\"admin.php?mod=book&op=edit&id=$node->nid\">edit</A>, <A HREF=\"admin.php?mod=book&op=delete&id=$node->nid\">delete</A>)</SMALL>\n";
+    if ($node->pid) $output .= book_tree($node->pid);
+    $output .= book_tree($node->nid);
   }
-
-  foreach ($nodes as $node) {
-    $output .= book_overview($node->nid, "$offset$number.");
-  }
-
-  $output .= "</DL>";
+  $output .= "</UL>";
   return $output;
 }
 
-function book_history() {
+function book_list() {
   global $status;
 
   $result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid AND n.lid = b.lid WHERE n.type = 'book' AND n.status != '$status[expired]' ORDER BY n.timestamp DESC");
@@ -206,7 +197,7 @@ function book_history() {
 function book_admin() {
   global $op, $id, $edit, $user;
 
-  print "<SMALL><A HREF=\"admin.php?mod=book&op=add\">add new page</A> | <A HREF=\"admin.php?mod=book&op=history\">history</A> | <A HREF=\"admin.php?mod=book&op=search\">search book</A> | <A HREF=\"admin.php?mod=book\">overview</A></SMALL><HR>\n";
+  print "<SMALL><A HREF=\"admin.php?mod=book&op=add\">add new page</A> | <A HREF=\"admin.php?mod=book&op=search\">search book</A> | <A HREF=\"admin.php?mod=book&op=list\">list overview</A> | <A HREF=\"admin.php?mod=book\">tree overview</A></SMALL><HR>\n";
 
   switch ($op) {
     case "add":
@@ -214,10 +205,10 @@ function book_admin() {
       break;
    case "delete":
       print book_delete($id);
-      print book_overview();
+      print book_tree();
       break;
-   case "history":
-      print book_history();
+   case "list":
+      print book_list();
       break;
     case "edit":
       print book_form(node_get_array(nid, $id));
@@ -231,10 +222,10 @@ function book_admin() {
       break;
     case t("Submit"):
       book_save($edit);
-      print book_overview();
+      print book_tree();
       break;
     default:
-      print book_overview();
+      print book_tree();
   }
 }
 
-- 
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