259 lines
9.3 KiB
Plaintext
259 lines
9.3 KiB
Plaintext
<?php
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// $Id$
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function book_node($field) {
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global $user;
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$info = array("name" => "book page");
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return $info[$field];
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}
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function book_access($op, $node) {
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if ($op == "view") {
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return ($node->nid && $node->status && !$node->moderate);
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}
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if ($op == "create") {
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return 1;
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}
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if ($op == "update") {
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return 1;
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}
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}
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function book_link($type) {
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if ($type == "page" && user_access("access content")) {
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$links[] = "<a href=\"module.php?mod=book\">". t("collaborative book") ."</a>";
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}
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return $links ? $links : array();
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}
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function book_load($node) {
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$book = db_fetch_object(db_query("SELECT parent, weight FROM book WHERE nid = '$node->nid'"));
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return $book;
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}
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function book_insert($node) {
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if ($node->pid && $node->status == 1) {
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db_query("UPDATE node SET status = 0 WHERE nid = '$node->pid'");
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}
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db_query("INSERT INTO book (nid, pid, parent, weight, log) VALUES ('$node->nid', '$node->pid', '$node->parent', '$node->weight', '$node->log')");
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}
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function book_update($node) {
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if ($node->pid && $node->status == 1) {
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db_query("UPDATE node SET status = 0 WHERE nid = '$node->pid'");
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}
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db_query("UPDATE book SET parent = '$node->parent', weight = '$node->weight', log = '$node->log' WHERE nid = '$node->nid'");
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}
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function book_delete($node) {
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if ($node->pid && $node->status == 1) {
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db_query("UPDATE node SET status = 1 WHERE nid = '$node->pid'");
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}
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db_query("DELETE FROM book WHERE nid = '$node->nid'");
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}
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function book_save($node) {
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if ($node->nid && user_access("administer nodes")) {
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return array("pid", "log", "parent", "weight");
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}
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else {
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return array("moderate" => 1, "promote" => 0, "status" => 0, "log", "parent", "weight");
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}
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}
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function book_location($node, $nodes = array()) {
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$parent = db_fetch_object(db_query("SELECT n.nid, n.title, b.parent FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.nid = '$node->parent'"));
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if ($parent->title) {
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$nodes = book_location($parent, $nodes);
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array_push($nodes, $parent);
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}
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return $nodes;
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}
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function book_view($node, $main = 0) {
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global $theme;
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if ($main) {
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$theme->node($node, $main);
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}
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else {
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if ($node->nid && $node->parent) {
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$list = book_parent_query($node->parent);
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$next = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.status = 1 AND $list AND (b.weight > '$node->weight' OR (b.weight = '$node->weight' AND n.title > '". check_query($node->title) ."')) ORDER BY b.weight ASC,n.title ASC"));
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$prev = db_fetch_object(db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.status = 1 AND $list AND (b.weight < '$node->weight' OR (b.weight = '$node->weight' AND n.title < '". check_query($node->title) ."')) ORDER BY b.weight DESC,n.title DESC"));
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}
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$output .= "<TABLE BORDER=\"0\" CELLPADDING=\"0\" CELLSPACING=\"0\" WIDTH=\"100%\">\n";
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if ($node->title) {
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foreach (book_location($node) as $level) {
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$location .= "$indent <A HREF=\"node.php?id=$level->nid\">$level->title</A><BR>";
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$indent .= "-";
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}
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$output .= " <TR><TD COLSPAN=\"2\">$location</TD><TD ALIGN=\"right\"><A HREF=\"module.php?mod=node&op=edit&id=$node->nid\">update</A></TD></TR>\n";
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$output .= " <TR><TD COLSPAN=\"3\"><HR></TD></TR>";
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$output .= " <TR><TD COLSPAN=\"3\"><B><BIG>". check_output($node->title) ."</BIG></B>". ($node->body ? "<BR><SMALL><I>Last updated by ". format_name($node) ." on ". format_date($node->created) ."</I></SMALL> " : "") ."</TD></TR>\n";
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}
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if ($node->body) {
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$output .= " <TR><TD COLSPAN=\"3\"><BR>". check_output($node->body, 1) ."</TD></TR>";
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}
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if ($node->nid) {
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$output .= " <TR><TD COLSPAN=\"3\"><BR>". book_tree($node->nid) ."</TD></TR>";
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}
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$output .= " <TR><TD COLSPAN=\"3\"><HR></TD></TR>";
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$output .= " <TR><TD ALIGN=\"left\" WIDTH=\"33%\">". ($prev ? "<A HREF=\"node.php?id=$prev->nid\">". t("previous") ."</A>" : t("previous")) ."</TD><TD ALIGN=\"center\" WIDTH=\"34%\"><A HREF=\"module.php?mod=book\">index</A></TD><TD ALIGN=\"right\" WIDTH=\"33%\">". ($next ? "<A HREF=\"node.php?id=$next->nid\">". t("next") ."</A>" : t("next")) ."</TD></TR>\n";
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$output .= " <TR><TD ALIGN=\"left\" WIDTH=\"33%\">". ($prev ? "<SMALL>". check_output($prev->title) ."</SMALL>" : " ") ."</TD><TD ALIGN=\"center\" WIDTH=\"34%\">". ($node->parent ? "<A HREF=\"node.php?id=$node->parent\">". t("up") ."</A>" : t("up")) ."</TD><TD ALIGN=\"right\" WIDTH=\"33%\">". ($next ? "<SMALL>". check_output($next->title) ."</SMALL>" : " ") ."</TD></TR>\n";
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$output .= "</TABLE>\n";
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$theme->box(t("Handbook"), $output);
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}
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}
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function book_parent_query($parent) {
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if ($parent > 0) {
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$list = array();
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foreach (book_parent($parent) as $pid) array_push($list, "b.parent = $pid");
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}
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else {
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$list = array("b.parent = ''");
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}
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return "(". implode(" OR ", $list) .")";
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}
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function book_toc($parent = "", $indent = "", $toc = array()) {
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// select all child nodes:
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$result = db_query("SELECT n.nid, n.title FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.type = 'book' AND n.status = 1 AND ". book_parent_query($parent) ." ORDER BY b.weight");
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// add root node:
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if (user_access("administer nodes")) {
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$toc[0] = "<root>";
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}
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// build table of contents:
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while ($node = db_fetch_object($result)) {
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$toc[$node->nid] = "$indent $node->title";
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$toc = book_toc($node->nid, "$indent-", $toc);
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}
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return $toc;
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}
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function book_form($node, $help, $error) {
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global $user;
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$output .= form_select(t("Parent"), "parent", $node->parent, book_toc(), t("The parent subject or category the page belongs in."));
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$output .= form_textarea(t("Content"), "body", $node->body, 60, 20, t("Allowed HTML tags") .": ". htmlspecialchars(variable_get("allowed_html", "")));
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$output .= form_textarea(t("Log message"), "log", $node->log, 60, 5, t("An explanation of the additions or updates being made to help the group understand your motivations."));
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if (user_access("administer nodes")) {
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$output .= form_select(t("Weight"), "weight", $node->weight, array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30), t("The heavier nodes will sink and the lighter nodes will be positioned nearer the top."));
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}
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if ($node->pid > 0) {
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$output .= form_hidden("pid", $node->pid);
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}
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return $output;
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}
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function book_parent($nid) {
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if ($node = node_load(array("nid" => $nid))) {
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$list[$nid] = $nid;
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}
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if ($node->pid) {
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$list = array_merge($list, book_parent($node->pid));
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}
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return $list ? $list : array();
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}
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function book_tree($parent = "", $depth = 0) {
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global $PHP_SELF;
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if ($depth < 3 || strstr($PHP_SELF,"admin.php")) {
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// select all child nodes:
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$result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.type = 'book' AND n.status = 1 AND ". book_parent_query($parent) ." ORDER BY b.weight, n.title");
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// render output:
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while ($node = db_fetch_object($result)) {
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$output .= "<LI><A HREF=\"node.php?id=$node->nid\">". check_output($node->title) ."</A>". (strstr($PHP_SELF, "admin.php") ? " <SMALL>(weight: $node->weight/$node->parent, status: $node->status) (<A HREF=\"admin.php?mod=node&type=book&op=edit&id=$node->nid\">edit</A>)</SMALL>" : "") ."</LI>\n";
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$output .= book_tree($node->nid, $depth + 1);
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}
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$output = "<UL>$output</UL>";
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}
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return $output;
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}
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function book_render() {
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global $theme;
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$result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE b.parent = 0 AND n.status = 1 ORDER BY b.weight");
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while ($node = db_fetch_object($result)) {
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$output .= "<DT><A HREF=\"node.php?id=$node->nid\">". check_output($node->title) ."</A></DT><DD>". check_output($node->body, 1) ."<BR><BR></DD>";
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}
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$theme->header();
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$theme->box(t("Handbook"), "<DL>$output</DL>");
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$theme->footer();
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}
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function book_page() {
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global $op, $id, $theme;
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if (user_access("access content")) {
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switch ($op) {
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case "feed":
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print book_export_html($id, $depth = 1);
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break;
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default:
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book_render();
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}
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}
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else {
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$theme->header();
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$theme->box(t("Access denied"), message_access());
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$theme->footer();
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}
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}
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function book_export_html($id = "", $depth = 1) {
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$result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.type = 'book' AND n.status = 1 AND n.nid = '". check_input($id) ."'");
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while ($node = db_fetch_object($result)) {
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$output .= "<H$depth>". check_output($node->title) ."</H$depth>";
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if ($node->body) $output .= "<blockquote>". check_output($node->body, 1) ."</blockquote>";
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}
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$output .= book_export_html_recursive($id, $depth);
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return $output;
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}
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function book_export_html_recursive($parent = "", $depth = 1) {
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$result = db_query("SELECT n.*, b.* FROM node n LEFT JOIN book b ON n.nid = b.nid WHERE n.type = 'book' AND n.status = 1 AND b.parent = '$parent' ORDER BY b.weight");
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while ($node = db_fetch_object($result)) {
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$output .= "<H$depth>". check_output($node->title) ."</H$depth>";
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if ($node->body) $output .= "<blockquote>". check_output($node->body, 1) ."</blockquote>";
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if ($node->pid) $output .= book_export_html_recursive($node->pid, $depth + 1);
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$output .= book_export_html_recursive($node->nid, $depth + 1);
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}
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return $output;
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}
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?>
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