Fossil

  z = mprintf("skin:%s", zSkinName);
  if( ifExists && !db_exists("SELECT 1 FROM config WHERE name=%Q", z) ){
    free(z);
    z = 0;
  }
  return z;
}

/*
** Return true if there exists a skin name "zSkinName".
*/
static int skinExists(const char *zSkinName){
  int i;
  if( zSkinName==0 ) return 0;
  for(i=0; i<sizeof(aBuiltinSkin)/sizeof(aBuiltinSkin[0]); i++){
    if( fossil_strcmp(zSkinName, aBuiltinSkin[i].zDesc)==0 ) return 1;
  }
  return db_exists("SELECT 1 FROM config WHERE name='skin:%q'", zSkinName);
}

/*
** Construct and return an string of SQL statements that represents
** a "skin" setting.  If zName==0 then return the skin currently
** installed.  Otherwise, return one of the built-in skins designated
** by zName.
**

/*
** Respond to a Rename button press.  Return TRUE if a dialog was painted.
** Return FALSE to continue with the main Skins page.
*/
static int skinRename(void){
  const char *zOldName;
  const char *zNewName;
  int ex = 0;
  if( P("rename")==0 ) return 0;
  zOldName = P("sn");
  zNewName = P("newname");
  if( zOldName==0 ) return 0;
  if( zNewName==0 || zNewName[0]==0 || (ex = skinExists(zNewName))!=0 ){
    if( zNewName==0 ) zNewName = zOldName;
    style_header("Rename A Skin");
    if( ex ){
      @ <p><span class="generalError">There is already another skin
      @ named "%h(zNewName)".  Choose a different name.</span></p>
    }
    @ <form action="%s(g.zTop)/setup_skin" method="post"><div>
    @ <table border="0"><tr>
    @ <tr><td align="right">Current name:<td align="left"><b>%h(zOldName)</b>
    @ <tr><td align="right">New name:<td align="left">
    @ <input type="text" size="35" name="newname" value="%h(zNewName)">
    @ <tr><td><td>
    @ <input type="hidden" name="sn" value="%h(zOldName)">
    @ <input type="submit" name="rename" value="Rename">
    @ <input type="submit" name="canren" value="Cancel">
    @ </table>
    login_insert_csrf_secret();
    @ </div></form>
    style_footer();
    return 1;
  }
  db_multi_exec(
    "UPDATE config SET name='skin:%q' WHERE name='skin:%q';",
    zNewName, zOldName
  );
  return 0;
}

/*
** Respond to a Save button press.  Return TRUE if a dialog was painted.
** Return FALSE to continue with the main Skins page.
*/
static int skinSave(const char *zCurrent){
  const char *zNewName;
  int ex = 0;
  if( P("save")==0 ) return 0;
  zNewName = P("svname");
  if( zNewName && zNewName[0]!=0 ){
  }
  if( zNewName==0 || zNewName[0]==0 || (ex = skinExists(zNewName))!=0 ){
    if( zNewName==0 ) zNewName = "";
    style_header("Save Current Skin");
    if( ex ){
      @ <p><span class="generalError">There is already another skin
      @ named "%h(zNewName)".  Choose a different name.</span></p>
    }
    @ <form action="%s(g.zTop)/setup_skin" method="post"><div>
    @ <table border="0"><tr>
    @ <tr><td align="right">Name for this skin:<td align="left">
    @ <input type="text" size="35" name="svname" value="%h(zNewName)">
    @ <tr><td><td>
    @ <input type="submit" name="save" value="Save">
    @ <input type="submit" name="cansave" value="Cancel">
    @ </table>
    login_insert_csrf_secret();
    @ </div></form>
    style_footer();
    return 1;
  }
  db_multi_exec(
    "INSERT OR IGNORE INTO config(name, value, mtime)"
    "VALUES('skin:%q',%Q,now())",
    zNewName, zCurrent
  );
  return 0;
}

/*
** WEBPAGE: setup_skin
*/
void setup_skin(void){
  const char *z;
  char *zName;
  char *zErr = 0;
  const char *zCurrent = 0;  /* Current skin */
  int i;                     /* Loop counter */
  Stmt q;
  int seenCurrent = 0;

  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed();
  }
  db_begin_transaction();
  zCurrent = getSkin(0);

    style_footer();
    return;
  }
  if( P("del2")!=0 && (zName = skinVarName(P("sn"), 1))!=0 ){
    db_multi_exec("DELETE FROM config WHERE name=%Q", zName);
  }
  if( skinRename() ) return;
  if( skinSave(zCurrent) ) return;

  /* The user pressed one of the "Install" buttons. */
  if( P("load") && (z = P("sn"))!=0 && z[0] ){
    int seen = 0;

    /* Check to see if the current skin is already saved.  If it is, there
    ** is no need to create a backup */

  @ <h2>Available Skins:</h2>
  @ <table border="0">
  for(i=0; i<sizeof(aBuiltinSkin)/sizeof(aBuiltinSkin[0]); i++){
    z = aBuiltinSkin[i].zDesc;
    @ <tr><td>%d(i+1).<td>%h(z)<td>&nbsp;&nbsp;<td>
    if( fossil_strcmp(aBuiltinSkin[i].zSQL, zCurrent)==0 ){
      @ (Currently In Use)
      seenCurrent = 1;
    }else{
      @ <form action="%s(g.zTop)/setup_skin" method="post">
      @ <input type="hidden" name="sn" value="%h(z)" />
      @ <input type="submit" name="load" value="Install" />
      @ </form>
    }
    @ </tr>

    const char *zN = db_column_text(&q, 0);
    const char *zV = db_column_text(&q, 1);
    i++;
    @ <tr><td>%d(i).<td>%h(zN)<td>&nbsp;&nbsp;<td>
    @ <form action="%s(g.zTop)/setup_skin" method="post">
    if( fossil_strcmp(zV, zCurrent)==0 ){
      @ (Currently In Use)
      seenCurrent = 1;
    }else{
      @ <input type="submit" name="load" value="Install">
      @ <input type="submit" name="del1" value="Delete">
    }
    @ <input type="submit" name="rename" value="Rename">
    @ <input type="hidden" name="sn" value="%h(zN)">
    @ </form></tr>
  }
  db_finalize(&q);
  if( !seenCurrent ){
    i++;
    @ <tr><td>%d(i).<td><i>Current Configuration</i><td>&nbsp;&nbsp;<td>
    @ <form action="%s(g.zTop)/setup_skin" method="post">
    @ <input type="submit" name="save" value="Save">
    @ </form>
  }
  @ </table>
  style_footer();
  db_end_transaction(0);
}