<?php
/*********************************************************************************
 * The contents of this file are subject to the SugarCRM Public License Version 1.1.2
 * ("License"); You may not use this file except in compliance with the 
 * License. You may obtain a copy of the License at http://www.sugarcrm.com/SPL
 * Software distributed under the License is distributed on an  "AS IS"  basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 * The Original Code is:  SugarCRM Open Source
 * The Initial Developer of the Original Code is SugarCRM, Inc.
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.;
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
 ********************************************************************************/
/*********************************************************************************
 * $Header: /advent/projects/wesat/vtiger_crm/sugarcrm/include/ListView/ListView.php,v 1.4 2005/03/21 15:03:34 samk Exp $
 * Description:  generic list view class.
 ********************************************************************************/
require_once('include/logging.php');

class ListView {
	
	var $local_theme = null;
	var  $local_app_strings= null;
	var  $local_image_path = null;
	var  $local_current_module = null;
	var $local_mod_strings = null;
	var  $records_per_page = 20;
	var  $xTemplate = null;
	var $xTemplatePath = null;
	var $seed_data = null;
	var $query_where = null;
	var $query_limit = -1;
	var $query_orderby = null;
	var $header_title = "";
	var $header_text = "";
	var $log = null;
	var $initialized = false;
	var $querey_where_has_changed = false;
	var $display_header_and_footer = true;

/**sets whether or not to display the xtemplate header and footer
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
function setDisplayHeaderAndFooter($bool){
		$this->display_header_and_footer = $bool;
}

/**initializes ListView
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function ListView(){
 	
 	
	if(!$this->initialized){
		global $list_max_entries_per_page;
		$this->records_per_page = $list_max_entries_per_page + 0;
		$this->initialized = true;
		global $theme, $app_strings, $image_path, $currentModule;
		$this->local_theme = $theme;
		$this->local_app_strings = &$app_strings;
		$this->local_image_path = $image_path;
		$this->local_current_module = $currentModule;

		if(empty($this->local_image_path)){
			$this->local_image_path = 'themes/'.$theme.'/images';
		}
		$this->log = LoggerManager::getLogger('listView_'.$this->local_current_module);
		
	}	
}
/**sets how many records should be displayed per page in the list view
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setRecordsPerPage($count){
	$this->records_per_page = $count;	
}
/**sets the header title */
 function setHeaderTitle($value){
	$this->header_title = $value;	
}
/**sets the header text this is text thats appended to the header table and is usually used for the creation of buttons
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setHeaderText($value){
	$this->header_text = $value;	
}
/**sets the path for the XTemplate HTML file to be used this is only needed to be set if you are allowing ListView to create the XTemplate
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setXTemplatePath($value){
	$this->xTemplatePath= $value;	
}

/**this is a helper function for allowing ListView to create a new XTemplate it groups parameters that should be set into a single function
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function initNewXTemplate($XTemplatePath, &$modString, $imagePath = null){
	$this->setXTemplatePath($XTemplatePath);
	if(isset($modString))
		$this->setModStrings($modString);
	if(isset($imagePath))
		$this->setImagePath($imagePath);	
}


/**sets the parameters dealing with the db
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setQuery($where, $limit, $orderBy, $varName, $allowOrderByOveride= true){
	$this->query_where = $where;
	if($this->getSessionVariable("query", "where") != $where){
		$this->querey_where_has_changed = true;
		$this->setSessionVariable("query", "where", $where);
	}
	
	$this->query_limit = $limit;
	if(!$allowOrderByOveride){
		$this->query_orderby = $orderBy;
		return;
 	}
	$sortBy = $this->getSessionVariable($varName, "ORDER_BY") ;

	if(empty($sortBy)){
		$this->setUserVariable($varName, "ORDER_BY", $orderBy);
		$sortBy = $orderBy;
	}else{
		$this->setUserVariable($varName, "ORDER_BY", $sortBy);	
	}
	if($sortBy == 'amount'){
		$sortBy = 'amount*1';	
	}

	$desc = false;
	$desc = $this->getSessionVariable($varName, $sortBy."_desc");
	
	if(empty($desc))
		$desc = false;
	if(isset($_REQUEST[$this->getSessionVariableName($varName,  "ORDER_BY")]))
		$last = $this->getSessionVariable($varName, "ORDER_BY_LAST");
		if(!empty($last) && $last == $sortBy){
			$desc = !$desc;
		}else {
			$this->setSessionVariable($varName, "ORDER_BY_LAST", $sortBy);	
		}	
	$this->setSessionVariable($varName, $sortBy."_desc", $desc);
	if(!empty($sortBy)){
	if(substr_count(strtolower($sortBy), ' desc') == 0 && substr_count(strtolower($sortBy), ' asc') == 0){
		if($desc){
			$this->query_orderby = $sortBy.' desc';
		}else{ 
			$this->query_orderby = $sortBy.' asc';
		}
	}
	else{
		$this->query_orderby = $sortBy;	
	}
	}else {
		$this->query_orderby = "";	
	}
	
	
	
	
	
}

function displayArrow(){
	
}

/**sets the theme used only use if it is different from the global
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setTheme($theme){
	$this->local_theme = $theme;
	if(isset($this->xTemplate))$this->xTemplate->assign("THEME", $this->local_theme );
}

/**sets the AppStrings used only use if it is different from the global
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setAppStrings(&$app_strings){
	unset($this->local_app_strings);
	$this->local_app_strings = $app_strings;
	if(isset($this->xTemplate))$this->xTemplate->assign("APP", $this->local_app_strings );
}

/**sets the ModStrings used 
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setModStrings(&$mod_strings){
	unset($this->local_module_strings);
	$this->local_mod_strings = $mod_strings;
	if(isset($this->xTemplate))$this->xTemplate->assign("MOD", $this->local_mod_strings );
}

/**sets the ImagePath used
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setImagePath($image_path){
	$this->local_image_path = $image_path;
	if(empty($this->local_image_path)){
		$this->local_image_path = 'themes/'.$this->local_theme.'/images';
	}
	if(isset($this->xTemplate))$this->xTemplate->assign("IMAGE_PATH", $this->local_image_path );
}

/**sets the currentModule only use if this is different from the global
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setCurrentModule($currentModule){
	unset($this->local_current_module);
	$this->local_current_module = $currentModule;
	$this->log = LoggerManager::getLogger('listView_'.$this->local_current_module);
	if(isset($this->xTemplate))$this->xTemplate->assign("MODULE_NAME", $this->local_current_module );	
}

/**INTERNAL FUNCTION creates an XTemplate DO NOT CALL THIS THIS IS AN INTERNAL FUNCTION
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function createXTemplate(){
 	if(!isset($this->xTemplate)){
		if(isset($this->xTemplatePath)){
			$this->xTemplate = new XTemplate ($this->xTemplatePath);
			$this->xTemplate->assign("APP", $this->local_app_strings);
			if(isset($this->local_mod_strings))$this->xTemplate->assign("MOD", $this->local_mod_strings);
			$this->xTemplate->assign("THEME", $this->local_theme);
			$this->xTemplate->assign("IMAGE_PATH", $this->local_image_path);
			$this->xTemplate->assign("MODULE_NAME", $this->local_current_module);
		}else{
			$log->error("NO XTEMPLATEPATH DEFINED CANNOT CREATE XTEMPLATE");
		}
 	}
}

/**sets the XTemplate telling ListView to use newXTemplate as its current XTemplate
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setXTemplate(&$newXTemplate){
	$this->xTemplate = $newXTemplate;
}

/**returns the XTemplate
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function getXTemplate(){
	return $this->xTemplate;	
}

/**assigns a name value pair to the XTemplate
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function xTemplateAssign($name, $value){
 	
		if(!isset($this->xTemplate)){
			$this->createXTemplate();	
		}
 		$this->xTemplate->assign($name, $value);
		
}

/**INTERNAL FUNCTION returns the offset first checking the querey then checking the session if the where clause has changed from the last time it returns 0
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function getOffset($localVarName){
 	if($this->querey_where_has_changed){
 		$this->setSessionVariable($localVarName,"offset", 0);
 	}
	$offset = $this->getSessionVariable($localVarName,"offset");
	if(isset($offset)){
		return $offset;
	}
	return 0;	
}

/**INTERNAL FUNCTION sets the offset in the session
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setOffset($localVarName, $value){
		$this->setSessionVariable($localVarName, "offset", $value);
}

/**INTERNAL FUNCTION sets a session variable
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function setSessionVariable($localVarName,$varName, $value){
		$_SESSION[$this->local_current_module."_".$localVarName."_".$varName] = $value;
}

function setUserVariable($localVarName,$varName, $value){
		global $current_user;
		$current_user->setPreference($this->local_current_module."_".$localVarName."_".$varName, $value);
}

/**INTERNAL FUNCTION returns a session variable first checking the querey for it then checking the session
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/
 function getSessionVariable($localVarName,$varName){
		if(isset($_REQUEST[$this->getSessionVariableName($localVarName, $varName)])){
			$this->setSessionVariable($localVarName,$varName,$_REQUEST[$this->getSessionVariableName($localVarName, $varName)]); 		
		}
		 if(isset($_SESSION[$this->getSessionVariableName($localVarName, $varName)])){
		 	return $_SESSION[$this->getSessionVariableName($localVarName, $varName)];	
		 }
		 return "";
}





/**

 * @return void
 * @param unknown $localVarName
 * @param unknown $varName
 * @desc INTERNAL FUNCTION returns the session/query variable name
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________..
 */
function getSessionVariableName($localVarName,$varName){
	return $this->local_current_module."_".$localVarName."_".$varName;
}

/**

 * @return void
 * @param unknown $seed
 * @param unknown $xTemplateSection
 * @param unknown $html_varName
 * @desc INTERNAL FUNCTION Handles List Views using seeds that extend SugarBean
	$XTemplateSection is the section in the XTemplate file that should be parsed usually main
	$html_VarName is the variable name used in the XTemplateFile e.g. TASK
	$seed is a seed that extends SugarBean
	 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc..
	 * All Rights Reserved..
	 * Contributor(s): ______________________________________..
 */
 function processSugarBean($xtemplateSection, $html_varName, $seed){
	$current_offset = $this->getOffset($html_varName);
	$response = $seed->get_list($this->query_orderby, $this->query_where, $current_offset, $this->query_limit);
	$list = $response['list'];
	$row_count = $response['row_count'];
	$next_offset = $response['next_offset'];
	$previous_offset = $response['previous_offset'];
	$this->processListNavigation( $xtemplateSection,$html_varName, $current_offset, $next_offset, $previous_offset, $row_count);
	return $list;
}

/**

 * @return void
 * @param unknown $data
 * @param unknown $xTemplateSection
 * @param unknown $html_varName
 * @desc INTERNAL FUNCTION process the List Navigation
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________..
 */
 function processListNavigation( $xtemplateSection, $html_varName, $current_offset, $next_offset, $previous_offset, $row_count ){
	global $current_user;
	global $allow_exports;
	$start_record = $current_offset + 1;
	if($row_count == 0)
		$start_record = 0;
	$end_record = $start_record + $this->records_per_page;
	// back up the the last page.
	if($end_record > $row_count+1)
	{
		$end_record = $row_count+1;
	}
	// Deterime the start location of the last page
	if($row_count == 0)
		$number_pages = 0;
	else
		$number_pages = floor(($row_count - 1) / $this->records_per_page);
	$last_offset = $number_pages * $this->records_per_page;
	if(empty($this->query_limit) || $this->query_limit > $this->records_per_page){
		$base_URL = $_SERVER['PHP_SELF'];
		if(isset($_SERVER['QUERY_STRING'])){
			$base_URL = ereg_replace("\&".$this->getSessionVariableName($html_varName,"ORDER_BY")."=[0-9a-zA-Z\_]*","",$base_URL .'?'.$_SERVER['QUERY_STRING']);
			$base_URL = ereg_replace("\&".$this->getSessionVariableName($html_varName,"offset")."=[0-9]*","",$base_URL);
		}
		if($_SERVER['REQUEST_METHOD'] == 'POST'){
			$base_URL .= '?';
			if(isset($_REQUEST['action'])) $base_URL .= '&action='.$_REQUEST['action'];
			if(isset($_REQUEST['record'])) $base_URL .= '&record='.$_REQUEST['record'];
			if(isset($_REQUEST['module'])) $base_URL .= '&module='.$_REQUEST['module'];
		}	
		$base_URL .= "&".$this->getSessionVariableName($html_varName,"offset")."=";
		$current_URL = $base_URL.$current_offset;
		$start_URL = $base_URL."0";
		$previous_URL  = $base_URL.$previous_offset;
		$next_URL  = $base_URL.$next_offset;
		$end_URL  = $base_URL.$last_offset;
		$sort_URL_base = $base_URL. "&".$this->getSessionVariableName($html_varName,"ORDER_BY")."=";

		$this->log->debug("Offsets: (start, previous, next, last)(0, $previous_offset, $next_offset, $last_offset)");

		if(0 == $current_offset){
			$start_link = $this->local_app_strings['LNK_LIST_START'];
			$previous_link = $this->local_app_strings['LNK_LIST_PREVIOUS'];
		}else{
			$start_link = "<a href=\"$start_URL\" class=\"listFormHeaderLinks\">".$this->local_app_strings['LNK_LIST_START']."</a>";
			$previous_link = "<a href=\"$previous_URL\" class=\"listFormHeaderLinks\">".$this->local_app_strings['LNK_LIST_PREVIOUS']."</a>";
		}

		if($last_offset <= $current_offset){
			$end_link = $this->local_app_strings['LNK_LIST_END'];
			$next_link = $this->local_app_strings['LNK_LIST_NEXT'];
		}
		else{
			$end_link = "<a href=\"$end_URL\" class=\"listFormHeaderLinks\">".$this->local_app_strings['LNK_LIST_END']."</a>";
			$next_link = "<a href=\"$next_URL\" class=\"listFormHeaderLinks\">".$this->local_app_strings['LNK_LIST_NEXT']."</a>";
		}
		global $current_module;
		$this->log->info("Offset (next, current, prev)($next_offset, $current_offset, $previous_offset)");
		$this->log->info("Start/end records ($start_record, $end_record)");
		if($sort_URL_base !== "") $this->xTemplate->assign("ORDER_BY", $sort_URL_base);
		$this->xTemplate->assign("START_RECORD", $start_record);
		$this->xTemplate->assign("END_RECORD", $end_record-1);
		$this->xTemplate->assign("ROW_COUNT", $row_count);
		if ($start_link !== "") $this->xTemplate->assign("START_LINK", "[ ".$start_link." ]");
		if ($end_link !== "")$this->xTemplate->assign("END_LINK", "[ ".$end_link." ]");
		if ($next_link !== "") $this->xTemplate->assign("NEXT_LINK", "[ ".$next_link." ]");
		if ($previous_link !== "") $this->xTemplate->assign("PREVIOUS_LINK", "[ ".$previous_link." ]");

		$_SESSION['export_where'] = $this->query_where;

		$export_link = "<a target=\"_blank\" href=\"export.php?module=".$this->local_current_module."\" class=\"listFormHeaderLinks\">".$this->local_app_strings['LBL_EXPORT']."</a>";

		if ($_REQUEST['module']== 'Home' || 
			$this->local_current_module == 'Import' ||
			($allow_exports=='none' || ( $allow_exports=='admin' && ! is_admin($current_user) ) ) )
		{
			$this->xTemplate->assign("EXPORT_LINK", "");
		}
		else
		{
			$this->xTemplate->assign("EXPORT_LINK", "&nbsp;[ ".$export_link." ]");
		}
		$this->xTemplate->parse($xtemplateSection.".list_nav_row");
			
	}	
}
/**

 * @return void
 * @param unknown $data
 * @param unknown $xTemplateSection
 * @param unknown $html_varName
 * @desc INTERNAL FUNCTION handles the rows
 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
 * All Rights Reserved.
 * Contributor(s): ______________________________________..
 */
 function processListRows(&$data,$xtemplateSection, $html_varName){
	$oddRow = true;
	foreach($data as $aItem)
	{
		$fields = $aItem->get_list_view_data();
		$this->xTemplate->assign($html_varName, $fields);

		if($oddRow)
		{
			$this->xTemplate->assign("ROW_COLOR", 'oddListRow');
		}
		else
		{
			$this->xTemplate->assign("ROW_COLOR", 'evenListRow');
		}
		$oddRow = !$oddRow;

		$aItem->list_view_parse_additional_sections($this->xTemplate, $xtemplateSection);
		$this->xTemplate->parse($xtemplateSection.".row");
	}
	$this->xTemplate->parse($xtemplateSection);	
}
/**

 * @return void
 * @param unknown $seed
 * @param unknown $xTemplateSection
 * @param unknown $html_varName
 * @desc PUBLIC FUNCTION Handles List Views using seeds that extend SugarBean
	$XTemplateSection is the section in the XTemplate file that should be parsed usually main
	$html_VarName is the variable name used in the XTemplateFile e.g. TASK
	$seed is a seed there are two types of seeds one is a subclass of SugarBean, the other is a list usually created from a sugar bean using get_list
	if no XTemplate is set it will create  a new XTemplate
	 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc..
	 * All Rights Reserved..
	 * Contributor(s): ______________________________________..
 */
 function processListView($seed, $xTemplateSection, $html_varName){
	if(!isset($this->xTemplate))
		$this->createXTemplate();
	$isSugarBean = is_subclass_of($seed, "SugarBean");
	$list = null;
	if($isSugarBean){
		$list =	$this->processSugarBean($xTemplateSection, $html_varName, $seed);
	}else{
		$list = &$seed;
	}
	
	$this->processSortArrows($html_varName);
	$this->processListRows($list,$xTemplateSection, $html_varName);
	if($this->display_header_and_footer)
		echo get_form_header( $this->header_title, $this->header_text, false);
	$this->xTemplate->out($xTemplateSection);
	if($this->display_header_and_footer)
		echo get_form_footer();
	if($isSugarBean )
		echo "</td></tr>\n</table>\n";
		
	//if(isset($_SESSION['validation'])){
	//	print base64_decode('PGEgaHJlZj0naHR0cDovL3d3dy5zdWdhcmNybS5jb20nPlBPV0VSRUQmbmJzcDtCWSZuYnNwO1NVR0FSQ1JNPC9hPg==');
//}
		
}

function processSortArrows($html_varName){
	$orderBy = $this->getSessionVariable($html_varName, "ORDER_BY_LAST");
	$desc = $this->getSessionVariable($html_varName, $orderBy.'_desc');
	$imgArrow = "&nbsp;<img border='0' src='".$this->local_image_path."/arrow_down.gif' >";
	if($desc){
		$imgArrow = "&nbsp;<img border='0' src='".$this->local_image_path."/arrow_up.gif' >";
	}	
	if($orderBy == 'amount*1')	
		$this->xTemplateAssign('amount_arrow', $imgArrow);		
	else{
		$this->xTemplateAssign($orderBy.'_arrow', $imgArrow);
	}	
}

}



?>
