Added pages as a module.

1 files changed, 176 insertions, 0 deletions

diff --git a/utils/modules/pages.php b/utils/modules/pages.php
new file mode 100644
index 0000000..7bf77f9
--- /dev/null
+++ b/utils/modules/pages.php
@@ -0,0 +1,176 @@
+<?php
+/* -*- Mode: php; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+
+include_once($UTIL_DIR . "/convert.php");
+include_once($UTIL_DIR . "/markdown.php");
+include_once($UTIL_DIR . "/modules.php");
+
+class Page {
+  public $title;
+  public $content;
+
+  public function write($fp)
+  {
+    fwrite($fp, "  <page title=\"" .
+	   htmlspecialchars($this->title, ENT_QUOTES, "UTF-8") . "\">");
+    fwrite($fp, htmlspecialchars($this->content, ENT_QUOTES, "UTF-8") . "</page>\n");
+  }
+
+  public function show()
+  {
+    global $DATA_DIR, $modules;
+
+    $str = Markdown($this->content);
+		
+    if(preg_match_all("/\[\[([\?,a-zA-Z0-9_]+)\]\]/", $str, $res)) {
+
+      $modulecodes = array_unique($res[1]);
+      foreach($modulecodes as $modulecode) {
+	$m = explode("?", $modulecode);
+	$module = $m[0];
+	$params = explode(",", $m[1]);
+	if($modules[$module]) {
+	  $modulestr = $modules[$module]->run($params);
+	} else {
+	  $modulestr = "<p><strong>CMS ERROR: Could not find module: [[" . $modulecode . "]]</strong></p>";
+	}
+
+	$str = str_replace("[[" . $modulecode . "]]", $modulestr, $str);
+				
+      }
+    }
+
+    echo $str;
+  }
+
+  public function Page($title, $content)
+  {
+    $this->title = $title;
+    $this->content = $content;
+  }
+}
+
+class Pages {
+
+  private $file;
+  private $pages = array();
+
+  // Admin config
+  public $admin_title = "Pages";
+  public $admin_submodules = array("Edit page" => "edit");
+
+  public function admin_edit($action, $vars)
+  {
+    switch($action) {
+    case "add":
+      $this->pages[$vars["title"]]->content = $vars["content"];
+      $this->write();
+      echo "\"" . $this->pages[$vars["title"]]->title . "\" has now been edited.";
+      break;
+			
+    case "preview":
+      $p = new Page($vars["title"], $vars["content"]);
+      echo "<div class=\"preview\">\n";
+      echo "<div class=\"content\">\n";
+      echo $p->show();
+      echo "</div>\n";
+      echo "</div>\n";
+      echo "<p>Looking ok?</p>";
+      beginform("add");
+      hidden($vars);
+      button("yes");
+      endform();
+      beginform("retry");
+      hidden($vars);
+      button("no");
+      endform();
+      break;
+			
+    case "edit":
+    case "retry":
+      if(isset($vars["content"])) $content = $vars["content"];
+      else $content = $this->pages[$vars["title"]]->content;
+			
+      beginform("preview");
+      hidden($vars);
+      textedit("Content", "content", $content);
+      button("Preview");
+      endform();
+      break;
+			
+    case "select":
+    default:
+      $pagelist = array();
+      foreach($this->pages as $p) {
+	$pagelist[$p->title] = $p->title; 
+      }
+      beginform("edit");
+      combobox("Edit this entry:", "title", "", $pagelist);
+      button("Edit...");
+      endform();
+      break;
+    }
+  }
+
+  public function admin($sub, $action, $vars)
+  {
+    switch($sub) {
+    case "edit":
+      $this->admin_edit($action, $vars);
+      break;
+    }
+  }
+
+  public function getPage($title)
+  {
+    return $this->pages[$title];
+  }
+
+  public function add($page) {
+    $key = $page->title;
+    $this->pages[$key] = $page;
+  }
+	
+  public function write()
+  {
+    $fp = fopen($this->file, "w");
+    fwrite($fp, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
+
+    fwrite($fp, "<pages>\n");
+    foreach($this->pages as $page) {
+      $page->write($fp);
+    }
+    fwrite($fp, "</pages>\n");
+
+    fclose($fp);
+  }
+	
+  private function read()
+  {
+    $dom = new DomDocument;
+    $dom->preserveWhiteSpace = TRUE;
+    $dom->load($this->file);
+    $pages = $dom->getElementsByTagName('page');
+
+    foreach ($pages as $p) {
+      $page = new Page($p->getAttribute('title'),
+		       $p->textContent);
+      $this->add($page);
+    }
+  }
+
+  public function Pages($file)
+  {
+    $this->file =  $file;
+    if(file_exists($file)) $this->read();
+  }
+
+}
+
+function pages_init()
+{
+  global $DATA_DIR;
+  return new Pages($DATA_DIR . "/pages.xml");
+}
+
+?>