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/* 
 * $Id: configtablist.pike,v 1.6 1997/10/15 20:19:59 grubba Exp $ 
 * 
 * Makes a tab-list like the one in the config-interface. 
 * 
 * $Author: grubba $ 
 */ 
 
constant cvs_version="$Id: configtablist.pike,v 1.6 1997/10/15 20:19:59 grubba Exp $"; 
constant thread_safe=1; 
 
#include <module.h> 
inherit "module"; 
inherit "roxenlib"; 
 
/* 
 * Functions 
 */ 
 
array register_module() 
{ 
  return(({ MODULE_PARSER|MODULE_LOCATION, "Config tab-list",  
              "Adds some tags for making a config-interface " 
              "look-alike tab-list.<br>\n" 
              "Usage:<br>\n" 
              "<ul><pre>&lt;config_tablist&gt;\n" 
              "&lt;tab href=\"/tab1/\"&gt;Some text&lt;/tab&gt;\n" 
              "&lt;tab href=\"/tab2/\"&gt;Some more text&lt;/tab&gt;\n" 
              "&lt;tab href=\"a/strange/place/\"&gt;Tab 3&lt;/tab&gt;\n" 
              "&lt;/config_tablist&gt;\n" 
              "</pre></ul>Attributes for the &lt;tab&gt; tag:<br>\n" 
              "<ul><table border=0>\n" 
              "<tr><td><b>selected</b></td><td>Whether the tab is selected " 
              "or not.</td></tr>\n" 
              "<tr><td><b>alt</b></td><td>Alt-text for the image (default: " 
              "\"_/\" + text + \"\\_\").</td></tr>\n" 
              "<tr><td><b>border</b></td><td>Border for the image (default: " 
              "0).</td></tr>\n" 
              "</table></ul>\n", 0, 1 })); 
} 
 
void create() 
{ 
  defvar("location", "/configtabs/", "Mountpoint", TYPE_LOCATION|VAR_MORE, 
         "The URL-prefix for the buttons."); 
} 
 
string tag_config_tab(string t, mapping a, string contents) 
{ 
  string dir = "u/"; 
  mapping img_attrs = ([]); 
  if (a->selected) { 
    dir = "s/"; 
  } 
  m_delete(a, "selected"); 
 
  img_attrs->src = QUERY(location) + dir + 
    replace(http_encode_string(contents), "?", "%3f") + ".gif"; 
  if (a->alt) { 
    img_attrs->alt = a->alt; 
    m_delete(a, "alt"); 
  } else { 
    img_attrs->alt = "_/" + html_encode_string(contents) + "\\_"; 
  } 
  if (a->border) { 
    img_attrs->border = a->border; 
    m_delete(a, "border"); 
  } else { 
    img_attrs->border="0"; 
  } 
  return make_container("a", a, make_container("b", ([]), 
                                               make_tag("img", img_attrs))); 
} 
 
string tag_config_tablist(string t, mapping a, string contents) 
{ 
  return(replace(parse_html(contents, ([]), (["tab":tag_config_tab])), 
                 ({ "\n", "\r" }), ({ "", "" }))); 
} 
 
mapping query_container_callers() 
{ 
  return ([ "config_tablist":tag_config_tablist ]); 
} 
 
#if constant(thread_create) 
object interface_lock = Thread.Mutex(); 
#endif /* constant(thread_create) */ 
 
object load_interface() 
{ 
#if constant(thread_create) 
  // Only one thread at a time may call roxen->configuration_interface(). 
  // 
  // load_interface() shouldn't be called recursively, 
  // so don't protect against it. 
  mixed key = interface_lock->lock(); 
#endif /* constant(thread_create) */ 
  return(roxen->configuration_interface()); 
} 
 
mapping find_file(string f, object id) 
{ 
  array(string) arr = f/"/"; 
  if (sizeof(arr) > 1) { 
    object interface = load_interface(); 
    object(Image.image) button; 
 
    if (arr[-1][sizeof(arr[-1])-4..] == ".gif") { 
      arr[-1] = arr[-1][..sizeof(arr[-1])-5]; 
    } 
 
    switch (arr[0]) { 
    case "s":   /* Selected */ 
      button = interface->draw_selected_button(arr[1..]*"/", 
                                               interface->button_font); 
      break; 
    case "u":   /* Unselected */ 
      button = interface->draw_unselected_button(arr[1..]*"/", 
                                                 interface->button_font); 
      break; 
    default: 
      return 0; 
    } 
    return http_string_answer(button->togif(), "image/gif"); 
  } 
  return 0; 
}