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SubselectPager.php
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<?php
namespace Intern;
use \PHPWS_Core;
use \PHPWS_Error;
use \PHPWS_DB;
use \Icon;
use \DBPager;
use \PHPWS_Template;
use \Exception;
\PHPWS_Core::initCoreClass('DBPager.php');
// Defines are set in parent class
/**
* An extension of the DBPager class which supports Subselects.
*
* @package Intern
*/
class SubselectPager extends \DBPager {
public function __construct($table, $class=null)
{
parent::__construct($table, $class);
// Replace the db instance with an instance of SubselectDatabase
$this->db = new SubselectDatabase($table);
}
/**
* Returns the content of the the pager object
*/
public function get($return_blank_results=true)
{
$template = array();
if (empty($this->display_rows)) {
$result = $this->initialize();
if (PHPWS_Error::isError($result)) {
throw new \Exception ($result->toString());
return $result;
}
}
// Report ends the function call
if ($this->report_type && $this->report_row) {
$this->createReport();
exit();
}
if (!isset($this->module)) {
return PHPWS_Error::get(DBPAGER_MODULE_NOT_SET, 'core', 'DBPager::get');
}
if (!isset($this->template)) {
return PHPWS_Error::get(DBPAGER_TEMPLATE_NOT_SET, 'core', 'DBPager::get');
}
$rows = $this->getPageRows();
if (PHPWS_Error::isError($rows)) {
throw new \Exception($rows);
return $rows;
}
if (isset($this->toggles)) {
$max_tog = count($this->toggles);
}
$count = 0;
$this->getNavigation($template);
$this->getSortButtons($template);
if (isset($rows)) {
foreach ($rows as $rowitem) {
if (isset($max_tog)) {
if ($max_tog == 1) {
if ($count % 2) {
$rowitem['TOGGLE'] = $this->toggles[0];
} else {
$rowitem['TOGGLE'] = null;
}
$count++;
} else {
$rowitem['TOGGLE'] = $this->toggles[$count];
$count++;
if ($count >= $max_tog) {
$count = 0;
}
}
} else {
$rowitem['TOGGLE'] = null;
}
$template['listrows'][] = $rowitem;
}
} elseif (!$return_blank_results) {
return null;
} else {
$template['EMPTY_MESSAGE'] = $this->empty_message;
}
DBPager::plugPageTags($template);
$this->final_template = & $template;
return PHPWS_Template::process($template, $this->module, $this->template);
}
/**
* Pulls the appropriate rows from the database.
*
* This function pulls the database information then plugs
* the data it gets into the object.
* @modified Eloi George
*/
public function initialize($load_rows=true)
{
$order_set = false;
$this->table_columns = $this->db->getTableColumns();
if (!empty($this->needed_columns)) {
if(isset($this->table_columns)){
$this->table_columns = array_merge($this->table_columns, $this->needed_columns);
}else{
$this->table_columns = $this->needed_columns;
}
}
// If true, determine which report type to use
if ($this->report_type) {
$report = true;
if ($this->report_type == XML_FULL || $this->report_type == CSV_FULL) {
$full_report = true;
} else {
$full_report = false;
}
} else {
// No report requested
$report = false;
$full_report = false;
}
if (empty($this->cache_identifier)) {
$this->cache_identifier = $this->template;
}
if (empty($this->limit) && empty($this->orderby) &&
empty($this->search) && isset($_SESSION['DB_Cache'][$this->module][$this->cache_identifier])) {
extract($_SESSION['DB_Cache'][$this->module][$this->cache_identifier]);
$this->limit = $limit;
$this->orderby = $orderby;
$this->orderby_dir = $orderby_dir;
$this->search = $search;
$this->current_page = $current_page;
}
// What would be setting $this->error??
if (isset($this->error)) {
return $this->error;
}
// Repalce space characters in search string with pipes?
if ($this->search) {
$search = preg_replace('/\s/', '|', $this->search);
} else {
$search = null;
}
/*
if (!empty($this->sub_result)) {
foreach ($this->sub_result as $sub_table => $sub) {
if (!$sub['tbl']) {
//$this->db->addTable($sub['jt'], $sub_table);
//$this->db->addJoin('left', $this->table, $sub_table, $sub['sc'], $sub['jc']);
}
if (!empty($search)) {
if ($sub['srch']) {
$col = $sub_table . '.' . $sub['cc'];
$this->db->addWhere($col, $search, 'regexp', 'or', 1);
}
}
}
}
*/
// Add a 'where' clause to the application for search string
if (!$full_report && !empty($search) && isset($this->searchColumn)) {
foreach ($this->searchColumn as $column_name) {
$this->db->addWhere($column_name, $search, 'regexp', 'or', 1);
}
}
$count = $this->getTotalRows();
//**************************************/
//$this->db->setTestMode();
//var_dump($this->db->select());exit;
//**************************************/
if (PHPWS_Error::isError($count)) {
throw new \Exception($count->toString());
}
/*
$this->db->setDistinct(true);
if (!empty($this->sub_result)) {
$this->db->addColumn('*');
foreach ($this->sub_result as $sub_table => $sub) {
if ($sub['tbl']) {
$this->db->addColumn($sub['tbl'] . '.' . $sub['cc'], null, $sub['nn']);
} else {
$this->db->addColumn($sub_table . '.' . $sub['cc'], null, $sub['nn']);
}
}
}
*/
if (empty($this->limit)) {
if ($this->default_limit) {
$this->limit = $this->default_limit;
} else {
$this->limit = DBPAGER_DEFAULT_LIMIT;
}
}
if (!$full_report && $this->limit > 0) {
$this->db->setLimit($this->getLimit());
}
if (!$full_report) {
$this->total_rows = & $count;
$this->total_pages = ceil($this->total_rows / $this->limit);
if ($this->current_page > $this->total_pages || $this->current_page == 'last') {
$this->current_page = $this->total_pages;
$this->db->setLimit($this->getLimit());
}
}
// If a column name to order by has been set, then add the 'order by' clause
if (isset($this->orderby)) {
// Find the column name
if ($pos = strpos($this->orderby, '.')) {
$col_name = substr($this->orderby, $pos + 1);
} else {
$col_name = $this->orderby;
}
// Check for "sub order" (??)
if (isset($this->sub_order[$col_name]) && !empty($this->sub_order[$col_name])) {
$orderby = implode('.', $this->sub_order[$col_name]);
} else {
$orderby = $this->orderby;
}
$orderby = $this->orderby;
$this->db->resetOrder();
$this->db->addOrder($orderby . ' ' . $this->orderby_dir);
$order_set = true;
}
if (!$order_set && isset($this->default_order)) {
$this->db->addOrder($this->default_order . ' ' . $this->default_order_dir);
}
if (!$load_rows) {
return true;
}
if (empty($this->class)) {
$result = $this->db->select();
} else {
$result = $this->db->getObjects($this->class);
}
$this->row_query = $this->db->lastQuery();
if (PHPWS_Error::isError($result)) {
return $result;
}
$this->display_rows = & $result;
if ($this->cache_queries) {
$cache['limit'] = $this->limit;
$cache['orderby'] = $this->orderby;
$cache['orderby_dir'] = $this->orderby_dir;
$cache['search'] = $this->search;
$cache['current_page'] = $this->current_page;
$_SESSION['DB_Cache'][$this->module][$this->cache_identifier] = $cache;
} else {
$this->clearQuery();
}
return true;
}
//TODO: Why is this recursive?
public function getTotalRows()
{
/**
* if total_column is set, use it to get total rows
*/
if ($this->total_column) {
// Save the order, columns, groupby
$order = $this->db->order;
$columns = $this->db->columns;
$group_by = $this->db->group_by;
// Reset them
$this->db->group_by = null;
$this->db->order = null;
$this->db->columns = null;
// Add the $total_column and get a count
$this->db->addColumn($this->total_column, null, null, true, true);
$result = $this->db->count();
// Restore the columns, order, and groupby
$this->db->columns = $columns;
$this->db->order = $order;
$this->db->group_by = $group_by;
return $result;
} else {
/**
* If total_column is not set check number of tables
*/
if (count($this->db->tables) > 1) {
/**
* if more than one table, go through each and look for an index.
* if an index is found, set it as the total_column and recursively
* call this function.
*/
foreach ($this->db->tables as $table) {
if ($index = $this->db->getIndex($table)) {
$this->total_column = $table . '.' . $index;
return $this->getTotalRows();
}
}
/**
* An index could not be found, use full count method to return
* row count.
*/
return $this->fullRowCount();
} else {
return $this->fullRowCount();
}
}
}
public function getError()
{
return $this->error;
}
public function disableSearchLabel()
{
$this->search_label = false;
}
/**
* This function allows you to join the results of two tables in db pager.
* Example: I want to join the title in table2 to the results of table_1. I also want
* the column to be named 't1_title'.
*
* table_1 table2
* --------------- ----------------
* t2_id id title
*
* $pager->joinResult('t2_id', 'table2', 'id', 'title', 't2_title');
*
* You do not need to give a new name or make it searchable. You DO need to make sure
* your source object contains the variable your are joining. (e.g. $this->t2_title must exist)
*
*/
public function joinResult($source_column, $join_table, $join_column, $content_column, $new_name=null, $searchable=false)
{
// TODO: this will break if you have more than one db pager at a time
// TODO: make this a private member variable
static $join_match = null;
static $index = 1;
$copy = null;
// If this join was done previously, don't repeat it.
// We store the last table used from the copy
if (isset($join_match[$join_table])) {
$join_array = & $join_match[$join_table];
if ($join_array['jt'] == $join_table &&
$join_array['sc'] == $source_column &&
$join_array['jc'] == $join_column) {
$tbl_idx = $join_array['tbl_idx'];
$copy = 'dbp' . $tbl_idx;
}
} else {
$tbl_idx = $index;
}
if ($searchable) {
$this->sub_search = true;
}
if (empty($new_name)) {
$new_name = $content_column;
}
$this->sub_result['dbp' . $index] = array('sc' => $source_column,
'jt' => $join_table,
'jc' => $join_column,
'cc' => $content_column,
'nn' => $new_name,
'srch' => (bool) $searchable,
'tbl' => $copy);
$this->sub_order[$new_name] = array('dbp' . $tbl_idx, $content_column);
$this->needed_columns[$new_name] = $new_name;
$join_match[$join_table] = array('jt' => $join_table,
'sc' => $source_column,
'jc' => $join_column,
'idx' => $index,
'tbl_idx' => $tbl_idx);
$index++;
}
public function loadSearch($search)
{
if (UTF8_MODE) {
$preg = '/[^\w\s\pL]/u';
} else {
$preg = '/[^\w\s]/u';
}
$search = preg_replace($preg, '', trim($search));
$search = preg_replace('/\s{2,}/', ' ', $search);
$this->search = & $search;
}
public function loadLink()
{
$this->link = \PHPWS_Core::getCurrentUrl(true, false);
}
public function setAnchor($anchor)
{
$this->anchor = $anchor;
}
public function getAnchor()
{
if (empty($this->anchor)) {
return null;
} else {
return '#' . $this->anchor;
}
}
/**
* Sets the default order for the pager. If only_if_empty is true
* then a sort can overwrite the direction.
*/
public function setOrder($column, $direction='asc', $only_if_empty=false)
{
if ($only_if_empty && !empty($this->orderby)) {
return;
}
$this->orderby = preg_replace('/[^\w\.]/', '', $column);
if (!preg_match('/asc|desc/i', $direction)) {
$direction = 'asc';
}
$this->orderby_dir = $direction;
}
public function setDefaultOrder($default_order, $direction='asc')
{
if (preg_match('/\W/', $default_order)) {
return false;
}
$this->default_order = $default_order;
if ($direction != 'asc' && $direction != 'desc') {
return false;
}
$this->default_order_dir = $direction;
return true;
}
public function setDefaultLimit($limit)
{
$this->default_limit = (int) $limit;
}
public function setSearch()
{
$args = func_get_args();
if (sizeof($args) == 1 && is_array($args[0])) {
$col_list = $args[0];
} else {
$col_list = $args;
}
foreach ($col_list as $column) {
if (UTF8_MODE) {
$preg = '/[^\.\w\pL]/u';
} else {
$preg = '/[^\.\w]/u';
}
if (!preg_match($preg, $column) && $this->db->isTableColumn($column)) {
$this->searchColumn[] = $column;
}
}
}
public function setPageTurnerLeft($turner)
{
$this->page_turner_left = $turner;
}
public function setPageTurnerRight($turner)
{
$this->page_turner_right = $turner;
}
public function setLimitList($list)
{
if (!is_array($list)) {
return false;
}
$this->limitList = $list;
}
public function addToggle($toggle)
{
$this->toggles[] = $toggle;
}
public function setLink($link)
{
$this->link = $link;
}
public function getLinkQuery()
{
return substr(strstr($this->link, '?'), 1);
}
public function getLinkBase()
{
return str_replace(strstr($this->link, '?'), '', $this->link);
}
public function setModule($module)
{
$this->module = $module;
}
public function setTemplate($template)
{
$this->template = $template;
}
/**
* Allows the developer to add extra or processes row tags
*
*/
public function addRowTags()
{
$method = func_get_arg(0);
if (empty($this->class)) {
return false;
}
if (func_num_args() < 1) {
return false;
}
if (version_compare(phpversion(), '5.0.0', '<')) {
$method = strtolower($method);
}
if (func_num_args() > 1) {
$variables = func_get_args();
//strip the method
array_shift($variables);
} else {
$variables = null;
}
$this->row_tags = array('method' => $method, 'variable' => $variables);
}
public function setReportRow($report_row)
{
$this->report_row = $report_row;
}
public function setEmptyMessage($message)
{
$this->empty_message = $message;
}
public function addToggleFunction($function, $toggle=2)
{
if (empty($function) || $toggle < 2) {
return false;
}
$this->toggle_func_number = (int) $toggle;
if (is_string($function) && function_exists($function)) {
$this->toggle_function = $function;
return true;
} elseif (is_array($function) && class_exists($function[0])) {
if (version_compare(phpversion(), '5.0.0', '<')) {
$method = strtolower($function[1]);
} else {
$method = & $function[1];
}
if (in_array($method, get_class_methods($function[0]))) {
$this->toggle_function = $function;
return true;
} else {
return false;
}
} else {
return false;
}
}
/**
* Adds a function or static method call to pager
*/
public function addRowFunction($function)
{
if (is_string($function) && function_exists($function)) {
$this->run_function = $function;
return true;
} elseif (is_array($function) && class_exists($function[0])) {
if (version_compare(phpversion(), '5.0.0', '<')) {
$method = strtolower($function[1]);
} else {
$method = & $function[1];
}
if (in_array($method, get_class_methods($function[0]))) {
$this->run_function = $function;
return true;
} else {
return false;
}
} else {
return false;
}
}
public function addRunMethod($method)
{
if (!in_array(strtolower($method), $this->_methods)) {
return;
}
$this->run_methods[] = $method;
}
public function addWhere($column, $value, $operator=null, $conj=null, $group=null)
{
return $this->db->addWhere($column, $value, $operator, $conj, $group);
}
public function addPageTags($tags)
{
$this->page_tags = $tags;
}
public function getLimit()
{
if (empty($this->limit) || !in_array($this->limit, $this->limitList)) {
$this->limit = $this->limitList[sizeof($this->limitList)-1];
}
$start = ($this->current_page - 1) * $this->limit;
return array((int) $this->limit, (int) $start);
}
public function setTotalColumn($column)
{
if (!strstr($column, '.')) {
$table = $this->db->getTable();
if ($table) {
$this->total_column = $table . '.' . trim($column);
}
} else {
$this->total_column = trim($column);
}
}
/**
* Calls a count on *. Less reliable than counting on one column.
* A fallback method for getTotalRows
*/
public function fullRowCount()
{
$this->db->setDistinct(true);
$order = $this->db->order;
$columns = $this->db->columns;
$group_by = $this->db->group_by;
$this->db->columns = null;
$result = $this->db->select('count');
$this->db->columns = $columns;
$this->db->order = $order;
$this->db->group_by = $group_by;
return $result;
}
public function getRows()
{
return $this->display_rows;
}
public function getPageLinks()
{
if ($this->total_pages < 1) {
$current_page = $total_pages = 1;
} else {
$current_page = $this->current_page;
$total_pages = $this->total_pages;
}
if ($total_pages == 1) {
return '[1]';
}
$values = $this->getLinkValues();
unset($values['pg']);
$module = $values['module'];
unset($values['module']);
$anchor = $this->getAnchor();
if ($anchor) {
$values['#'] = $anchor;
}
// page one
if ($current_page != 1) {
if ($total_pages > 500 && $current_page > 50) {
$values['pg'] = $current_page - 50;
$pageList = array();
$pageList[] = \PHPWS_Text::moduleLink('<<<', $module, $values, null, _('Back 50 pages'));
}
if ($total_pages > 100 && $current_page > 10) {
$values['pg'] = $current_page - 10;
$pageList[] = \PHPWS_Text::moduleLink('<<', $module, $values, null, _('Back 10 pages'));
}
$values['pg'] = $current_page - 1;
$pageList[] = \PHPWS_Text::moduleLink('<', $module, $values, null, _('Back one page'));
$values['pg'] = 1;
$pageList[] = \PHPWS_Text::moduleLink('1', $module, $values, null, _('First page'));
} else {
$pageList[] = '[1]';
}
if ($total_pages > DBPAGER_PAGE_LIMIT) {
// break up pages
$divider = floor(DBPAGER_PAGE_LIMIT / 2);
if ($current_page <= $divider) {
$divider = DBPAGER_PAGE_LIMIT - 2;
if ($current_page != 1) {
$divider--;
for ($i = 2; $i < $current_page; $i++) {
if ($i != $current_page) {
$values['pg'] = 1;
$pageList[] = \PHPWS_Text::moduleLink($i, $module, $values, null, sprintf(_('Go to page %s'), $i));
} else {
$pageList[] = "[$current_page]";
}
$divider--;
}
}
$remaining_pages = $total_pages - $current_page;
$skip = floor($remaining_pages / $divider);
for ($i = 0, $j = $current_page + $skip; $i < $divider; $i++, $j += $skip) {
$values['pg'] = $j;
$pageList[] = \PHPWS_Text::moduleLink($j, $module, $values, null, sprintf(_('Go to page %s'), $j));
}
} else {
$beginning_pages = $current_page - 1;
$remaining_pages = $total_pages - $current_page;
if ($remaining_pages < $divider) {
if (!$remaining_pages) {
$divider *= 2;
$front_skip = floor($total_pages / (DBPAGER_PAGE_LIMIT - 1));
$back_skip = 0;
} else {
$divider += $remaining_pages;
$front_skip = floor($beginning_pages / $divider);
$back_skip = 1;
}
} else {
$front_skip = round($beginning_pages / $divider);
$back_skip = round($remaining_pages / $divider);
}
for ($i = 0, $j = 1 + $front_skip; $i < $divider - 1 && $j < $current_page; $i++, $j += $front_skip) {
$values['pg'] = $j;
$pageList[] = \PHPWS_Text::moduleLink($j, $module, $values, null, sprintf(_('Go to page %s'), $j));
}
$pageList[] = "[$current_page]";
if ($back_skip) {
for ($i = 0, $j = $current_page + $back_skip; $i < $divider - 1 && $j < $total_pages; $i++, $j += $back_skip) {
$values['pg'] = $j;
$pageList[] = \PHPWS_Text::moduleLink($j, $module, $values, null, sprintf(_('Go to page %s'), $j));
}
}
}
} else {
for ($i = 2; $i < $total_pages; $i++) {
if ($i == $current_page) {
$pageList[] = "[$i]";
} else {
$values['pg'] = $i;
$pageList[] = \PHPWS_Text::moduleLink($i, $module, $values, null, sprintf(_('Go to page %s'), $i));
}
}
}
if ($total_pages != $current_page) {
$values['pg'] = $total_pages;
$pageList[] = \PHPWS_Text::moduleLink($total_pages, $module, $values, null, _('Last page'));
$values['pg'] = $current_page + 1;
$pageList[] = \PHPWS_Text::moduleLink('>', $module, $values, null, _('Forward one page'));
if ($total_pages > 100 && ($total_pages - 10) >= $current_page) {
$values['pg'] = $current_page + 10;
$pageList[] = \PHPWS_Text::moduleLink('>>', $module, $values, null, _('Forward 10 pages'));
}
if ($total_pages > 500 && ($total_pages - 50) >= $current_page) {
$values['pg'] = $current_page + 50;
$pageList[] = \PHPWS_Text::moduleLink('>>>', $module, $values, null, _('Forward 50 pages'));
}
} else {
$pageList[] = "[$current_page]";
}
return implode(' ', $pageList);
}
/**
* Returns the sorting buttons for table columns
*/
public function getSortButtons(&$template)
{
if (empty($this->table_columns)) {
return null;
}
if ($this->auto_sort) {
$sort_columns = & $this->table_columns;
} else {
$sort_columns = array_keys($this->sort_headers);
}
//test($sort_columns);
foreach ($sort_columns as $varname) {
$values = $this->getLinkValues();
if (isset($this->sort_headers[$varname])) {
if (!empty($this->sort_headers[$varname]['hover'])) {
$alt = strip_tags($this->sort_headers[$varname]['hover']) . ' - ';
} else {
$alt = strip_tags($this->sort_headers[$varname]['title']) . ' - ';
}
} else {
$alt = '';
}
if (isset($values['module'])) {
$module = $values['module'];
unset($values['module']);
} else {
$module = & $this->module;
}
$anchor = $this->getAnchor();
if ($anchor) {
$values['#'] = $anchor;
}
$buttonname = str_replace('.', '_', $varname) . '_SORT';
$values['orderby'] = $varname;
if ($this->orderby == $varname) {
if ($this->orderby_dir == 'desc') {
unset($values['orderby_dir']);
unset($values['orderby']);
$alt .= _('Sorted in descending order');
$button = Icon::get('sort-down');
} elseif ($this->orderby_dir == "asc") {
$alt .= _('Sorted in ascending order');
$values['orderby_dir'] = 'desc';
$button = Icon::get('sort-up');
} else {
$alt .= _('Unsorted');
$button = Icon::get('sort');
$values['orderby_dir'] = 'asc';
}
$button->setStyle('margin-right : 5px');
$button->setAlt($alt);
} else {
$alt .= _('Unsorted');
$button = Icon::get('sort');
$button->setStyle('margin-right : 5px');
$button->setAlt($alt);
$values['orderby_dir'] = 'asc';
}
$button_string = $button->__toString();
if (isset($this->sort_headers[$varname])) {
$button_string .= $this->sort_headers[$varname]['title'];
}
$link = \PHPWS_Text::moduleLink($button_string, $module, $values, null, $alt);
$template[strtoupper($buttonname)] = $link;
}
//var_dump($template);exit;
return $template;
}
public function addSortHeader($header, $title, $hover=null)
{
$this->sort_headers[$header]['title'] = $title;
$this->sort_headers[$header]['hover'] = $hover;
}
public function getLinkValues()
{
$output = null;
if (isset($GLOBALS['DBPager_Link_Values'])) {
return $GLOBALS['DBPager_Link_Values'];
}
if (empty($this->limit)) {
$this->limit = DBPAGER_DEFAULT_LIMIT;
}
$values = array();
$values['pg'] = $this->current_page;
$values['limit'] = $this->limit;
if (!empty($this->search)) {
$values['pager_search'] = $this->search;
}
if (isset($this->orderby)) {
$values['orderby'] = $this->orderby;
if (isset($this->orderby_dir))
$values['orderby_dir'] = $this->orderby_dir;
}
// pull get values from link setting
if (!empty($this->link)) {
$url = parse_url($this->link);
if (isset($url['query'])) {
parse_str(str_replace('&', '&', $url['query']), $output);
}
}
// pull any extra values in current url
$extra = \PHPWS_Text::getGetValues();
$search_val = & $extra['search'];
if (UTF8_MODE) {
$preg = '/[^\w\s\pL]/u';
} else {
$preg = '/[^\w\s]/u';
}