<?php
/**
 *  
 * @author  Benjamin Gillissen <hide@address.com>
 * 
 *	**************************************************************

	Copyright (C) 2009  Benjamin Gillissen
	
	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.
	
	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details at:
	http://www.gnu.org/copyleft/gpl.html

 *	**************************************************************
 */
//in profile we keep block state FALSE, not fetch, NULL closed, TRUE opened
class thm_blockvis {
	
	private static $BLKS=Array();
	private static $CC;

	private static function loadCC(){
		if ( isset(self::$CC) ){ return; }
		$run 	= Array(client_configs::SESSION=>'profile');
		//$run 	= Array();
		$store	= Array(client_configs::PROFILE=>'site_profile');
		self::$CC = new client_configs($run, $store, Array(), Array() );
	}
	
	private static function in_array($ref, $ar){
		$r=FALSE;
		if ( !is_array($ar) ){ return $r; }
		foreach($ar as $bref => &$v){ if ( $bref == $ref ){ $r = TRUE; } }
		return $r;
	}
	
	public static function append_block($ref, $gname, $cb, $dfto){
		if ( !isset(self::$BLKS[$gname]) ){ self::$BLKS[$gname]=Array(); } 
		if ( FALSE !== self::in_array($ref, self::$BLKS[$gname]) ){ return TRUE; } 
		self::$BLKS[$gname][$ref] = Array($cb, $dfto);
		self::loadCC();
		if ( self::$CC->is_stored('blockvis') ){
			$blks = self::$CC->get_stored('blockvis'); 
		} else {
			$blks[$gname] = Array();
		}
		if ( FALSE === self::in_array($ref, @$blks[$gname]) ){ //do get it, with a array_search after the first TRUE is return the last key....
			$blks[$gname][$ref] = $dfto;
			self::$CC->store('blockvis', $blks);	
		}
		return TRUE;
	}
	
	public static function getblockbygroup($gname){
		if ( !isset(self::$BLKS[$gname]) ){ return Array(); }
		return self::$BLKS[$gname];
	}
	
	public static function blockisdisplayed($gname, $ref){
		self::loadCC(); 
		if ( self::$CC->is_stored('blockvis') ){
			$blks = self::$CC->get_stored('blockvis');
			//if ( FALSE !== array_search($ref, $blks[$gname]) ){
			if ( FALSE !== self::in_array($ref, $blks[$gname]) ){
				return (FALSE !== $blks[$gname][$ref]);
			}
		}
		return FALSE;
		/*
		if ( !isset(self::$BLKS[$gname][$ref]) ){ return FALSE; }
		return (FALSE !== self::$BLKS[$gname][$ref][1]);
		*/
	}
	
	public static function blockisopen($gname, $ref){
		self::loadCC();
		if ( self::$CC->is_stored('blockvis') ){ 
			$blks = self::$CC->get_stored('blockvis');
			//if ( FALSE !== array_search($ref, $blks[$gname]) ){
			if ( FALSE !== self::in_array($ref, $blks[$gname]) ){ 
				return ( FALSE !== $blks[$gname][$ref] AND NULL !== $blks[$gname][$ref] ); 
			}
		}
		return FALSE;
		/*
		if ( !isset(self::$BLKS[$gname][$ref]) ){ return FALSE; }
		return ( FALSE !== self::$BLKS[$gname][$ref][1] AND NULL !== self::$BLKS[$gname][$ref][1] );
		*/
	}
	
	public static function setblockvis($gname, $ref, $vis=NULL){
		self::loadCC();
		if ( self::$CC->is_stored('blockvis') ){ $blks = self::$CC->get_stored('blockvis'); }
		$blks[$gname][$ref] = $vis;
		self::$CC->store('blockvis', $blks);
	}

	public static function blockorder($gname, $ref){
		if ( !isset(self::$BLKS[$gname][$ref]) ){ return FALSE; } 
		self::loadCC();
		if ( self::$CC->is_stored('blockvis') ){
			$blks = self::$CC->get_stored('blockvis');
			//if ( FALSE !== array_search($ref, $blks[$gname]) ){
			if ( FALSE !== self::in_array($ref, $blks[$gname]) ){
				$blks = $blks[$gname];
			} else {
				$blks = self::$BLKS[$gname];
			}
		} else {
			$blks = self::$BLKS[$gname];
		}
		$o=1;
		foreach($blks as $bref => &$blk){
			if ( $ref == $bref ){ $r=$o; }
			$o++;
		}
		if ( isset($r) ){ return $r; }
		return 0;
	}
	
	public static function move_top($gname, $ref){
		if ( !isset(self::$BLKS[$gname][$ref]) ){ return FALSE; } 
		self::loadCC();
		if ( self::$CC->is_stored('blockvis') ){
			$blks = self::$CC->get_stored('blockvis');
		} else {
			$blks = self::$BLKS[$gname];
		}
		$new[] = $ref;
		foreach($blks[$gname] as $bref => &$vis){
			if ( $ref !== $bref){ $new[] = $bref; }
		}
		foreach($new as $k => &$bref){ $tmp[$bref] = $blks[$gname][$bref]; }
		$blks[$gname] = $tmp;
		self::$CC->store('blockvis', $blks);
	}
	
	public static function move_bottom($gname, $ref){
		if ( !isset(self::$BLKS[$gname][$ref]) ){ return FALSE; } 
		self::loadCC();
		if ( self::$CC->is_stored('blockvis') ){
			$blks = self::$CC->get_stored('blockvis');
		} else {
			$blks = self::$BLKS[$gname];
		}
		foreach($blks[$gname] as $bref => &$vis){
			if ( $ref !== $bref){ $new[] = $bref; }
		}
		$new[] = $ref;
		foreach($new as $k => &$bref){ $tmp[$bref] = $blks[$gname][$bref]; }
		$blks[$gname] = $tmp;
		self::$CC->store('blockvis', $blks);
	}
	
	public static function move_up($gname, $ref){
		if ( !isset(self::$BLKS[$gname][$ref]) ){ return FALSE; } 
		self::loadCC();
		if ( self::$CC->is_stored('blockvis') ){
			$blks = self::$CC->get_stored('blockvis');
		} else {
			$blks = self::$BLKS[$gname];
		}
		$c=0;
		foreach($blks[$gname] as $bref => &$vis){
			if ( $ref !== $bref){ 
				$new[] = $bref; 
			} elseif ( isset($new[($c-1)]) ){
				$new[$c] = $new[($c-1)];
				$new[($c-1)] = $bref;
			} else {
				$new[] = $bref;
			}
			$c++;
		}
		foreach($new as $k => &$bref){ $tmp[$bref] = $blks[$gname][$bref]; }
		$blks[$gname] = $tmp;
		self::$CC->store('blockvis', $blks);
	}
	
	public static function move_down($gname, $ref){
		if ( !isset(self::$BLKS[$gname][$ref]) ){ return FALSE; } 
		self::loadCC();
		if ( self::$CC->is_stored('blockvis') ){
			$blks = self::$CC->get_stored('blockvis');
		} else {
			$blks = self::$BLKS[$gname];
		}
		$c=0;
		foreach($blks[$gname] as $bref => &$vis){
			if ( $ref !== $bref){ 
				$new[] = $bref; 
			} elseif ( isset($new[($c+1)]) ){
				$new[$c] = $new[($c+1)];
				$new[($c+1)] = $bref;
			} else {
				$new[] = $bref;
			}
			$c++;
		}
		foreach($new as $k => &$bref){ $tmp[$bref] = $blks[$gname][$bref]; }
		$blks[$gname] = $tmp;
		self::$CC->store('blockvis', $blks);
	}
}

return TRUE;