library/classes/Controller.class.php

   1 <?php
   2
   3
   4
   5 class Controller extends Smarty
   6 {
   7
   8        var $_current_action;
   9        var $_state;
  10        var $_args = array();
  11
  12     function __construct()
  13     {
  14          parent::__construct();
  15          $this->template_mod = "general";
  16          $this->_current_action = "";
  17          $this->_state = true;
  18          $this->compile_dir = $GLOBALS['OE_SITE_DIR'] . '/documents/smarty/main';
  19          $this->compile_check = true;
  20          $this->plugins_dir = array(dirname(__FILE__) . "/../smarty/plugins", $GLOBALS['vendor_dir'] . "/smarty/smarty/libs/plugins");
  21          $this->assign("PROCESS", "true");
  22          $this->assign("HEADER", "<html><head></head><body>");
  23          $this->assign("FOOTER", "</body></html>");
  24          $this->assign("CONTROLLER", "controller.php?");
  25          $this->assign("CONTROLLER_THIS", "controller.php?" . $_SERVER['QUERY_STRING']);
  26          $this->assign('GLOBALS', $GLOBALS);
  27     }
  28
  29     function set_current_action($action)
  30     {
  31          $this->_current_action = $action;
  32     }
  33
  34     function default_action()
  35     {
  36          echo "<html><body></body></html>";
  37     }
  38
  39     function process_action()
  40     {
  41          $this->default_action();
  42     }
  43
  44     function populate_object(&$obj)
  45     {
  46         if (!is_object($obj)) {
  47             $this->function_argument_error();
  48         }
  49
  50         foreach ($_POST as $varname => $var) {
  51             $varname = preg_replace("/[^A-Za-z0-9_]/", "", $varname);
  52             $func = "set_" . $varname;
  53             if ((!(strpos("_", $varname) === 0)) && is_callable(array($obj,$func))) {
  54                 //echo "c: $func on w: "  . $var . "<br />";
  55
  56                 call_user_func_array(array(&$obj,$func), array($var, $_POST));
  57             }
  58         }
  59
  60             return true;
  61     }
  62
  63     function function_argument_error()
  64     {
  65          $this->display($GLOBALS['template_dir'] . "error/" . $this->template_mod . "_function_argument.html");
  66          exit;
  67     }
  68
  69     function i_once($file)
  70     {
  71          return include_once($file);
  72     }
  73
  74     function act($qarray)
  75     {
  76
  77         if (isset($_GET['process'])) {
  78             unset($_GET['process']);
  79             unset($qarray['process']);
  80             $_POST['process'] = "true";
  81         }
  82
  83             $args = array_reverse(array_keys($qarray));
  84             $c_name = preg_replace("/[^A-Za-z0-9_]/", "", array_pop($args));
  85             $parts = explode("_", $c_name);
  86             $name = "";
  87
  88         foreach ($parts as $p) {
  89             $name .= ucfirst($p);
  90         }
  91
  92             $c_name = $name;
  93             $c_action = preg_replace("/[^A-Za-z0-9_]/", "", array_pop($args));
  94             $args = array_reverse($args);
  95
  96         if (!call_user_func(array("Controller","i_once"), $GLOBALS['fileroot'] ."/controllers/C_" . $c_name . ".class.php")) {
  97             echo "Unable to load controller $name\n, please check the first argument supplied in the URL and try again";
  98             exit;
  99         }
 100
 101             $obj_name = "C_" . $c_name;
 102             $c_obj = new $obj_name();
 103
 104         if (empty($c_action)) {
 105             $c_action = "default";
 106         }
 107
 108             $c_obj->_current_action = $c_action;
 109             $args_array = array();
 110
 111         foreach ($args as $arg) {
 112             $arg = preg_replace("/[^A-Za-z0-9_]/", "", $arg);
 113             //this is a workaround because call user func does funny things with passing args if they have no assigned value
 114             //2013-02-10 EMR Direct: workaround modified since "0" is also considered empty;
 115             if (empty($qarray[$arg]) && $qarray[$arg]!="0") {
 116                 //if argument is empty pass null as value and arg as assoc array key
 117                 $args_array[$arg] = null;
 118             } else {
 119                 $args_array[$arg] = $qarray[$arg];
 120             }
 121         }
 122
 123             $output = "";
 124             //print_r($args_array);
 125         if (isset($_POST['process']) && ($_POST['process']== "true")) {
 126             if (is_callable(array(&$c_obj,$c_action . "_action_process"))) {
 127                 //echo "ca: " . $c_action . "_action_process";
 128                 $output .= call_user_func_array(array(&$c_obj,$c_action . "_action_process"), $args_array);
 129                 if ($c_obj->_state == false) {
 130                     return $output;
 131                 }
 132             }
 133
 134             //echo "ca: " . $c_action . "_action";
 135             $output .=  call_user_func_array(array(&$c_obj,$c_action . "_action"), $args_array);
 136         } else {
 137             if (is_callable(array(&$c_obj,$c_action . "_action"))) {
 138                 //echo "ca: " . $c_action . "_action";
 139                 $output .=  call_user_func_array(array(&$c_obj,$c_action . "_action"), $args_array);
 140             } else {
 141                 echo "The action trying to be performed: " . $c_action ." does not exist controller: ". $name;
 142             }
 143         }
 144
 145
 146             return $output;
 147     }
 148
 149     function _link($action = "default", $inlining = false)
 150     {
 151          $url_parts = explode("&", $_SERVER['REQUEST_URI']);
 152          $link = array_shift($url_parts);
 153          //print_r($url_parts);
 154
 155         if (strpos($url_parts[0], "=") === false) {
 156             $inline_arg = $url_parts[0];
 157             $url_parts[0] = $action;
 158         } else {
 159             array_unshift($url_parts, $action);
 160         }
 161
 162         if ($inlining) {
 163             $link .= "&" . urlencode($inline_arg);
 164             $link .= "&action=" . urlencode($url_parts[0]);
 165         } else {
 166             $link .= "&" . urlencode($url_parts[0]);
 167         }
 168
 169         foreach ($this->_args as $arg_name => $arg) {
 170             $link .= "&" . urlencode($arg_name) . "=" . urlencode($arg);
 171         }
 172
 173             $link .= "&";
 174             return  $link;
 175     }
 176 }