+++ /dev/null
-<?php
-/***************************************************************************
- * Copyright (C) 2003-2007 Polytechnique.org *
- * http://opensource.polytechnique.org/ *
- * *
- * 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. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the Free Software *
- * Foundation, Inc., *
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
- ***************************************************************************/
-
-/** UserSet is a light-weight Model/View tool for displaying a set of items
- */
-class PlSet
-{
- private $from = null;
- private $groupby = null;
- private $joins = null;
- private $where = null;
-
- private $count = null;
-
- private $mods = array();
- private $modParams = array();
- private $mod = null;
- private $default = null;
-
- public function __construct($from, $joins = '', $where = '', $groupby = '')
- {
- $this->from = $from;
- $this->joins = $joins;
- $this->where = $where;
- $this->groupby = $groupby;
- }
-
- public function addMod($name, $description, $default = false, array $params = array())
- {
- $name = strtolower($name);
- $this->mods[$name] = $description;
- $this->modParams[$name] = $params;
- if ($default) {
- $this->default = $name;
- }
- }
-
- public function rmMod($name)
- {
- $name = strtolower($name);
- unset($this->mods[$name]);
- }
-
- private function &query($fields, $from, $joins, $where, $groupby, $order, $limit)
- {
- if (trim($order)) {
- $order = "ORDER BY $order";
- }
- if (trim($where)) {
- $where = "WHERE $where";
- }
- if (trim($groupby)) {
- $groupby = "GROUP BY $groupby";
- }
- $query = "SELECT SQL_CALC_FOUND_ROWS
- $fields
- FROM $from
- $joins
- $where
- $groupby
- $order
- $limit";
-// echo $query;
-// print_r($this);
- $it = XDB::iterator($query);
- $count = XDB::query('SELECT FOUND_ROWS()');
- $this->count = intval($count->fetchOneCell());
- return $it;
- }
-
- public function args()
- {
- $get = $_GET;
- unset($get['n']);
- return $get;
- }
-
- protected function encodeArgs(array $args, $encode = false)
- {
- $qs = '?';
- $sep = $encode ? '&' : '&';
- foreach ($args as $k=>$v) {
- if (!$encode) {
- $k = urlencode($k);
- $v = urlencode($v);
- }
- $qs .= "$k=$v$sep";
- }
- return $encode ? urlencode($qs) : $qs;
- }
-
- public function &get($fields, $joins, $where, $groupby, $order, $limitcount = null, $limitfrom = null)
- {
- if (!is_null($limitcount)) {
- if (!is_null($limitfrom)) {
- $limitcount = "$limitfrom,$limitcount";
- }
- $limitcount = "LIMIT $limitcount";
- }
- $joins = $this->joins . ' ' . $joins;
- $where = $where;
- if (trim($this->where)) {
- if (trim($where)) {
- $where .= ' AND ';
- }
- $where .= $this->where;
- }
- if (!$groupby) {
- $groupby = $this->groupby;
- }
- return $this->query($fields, $this->from, $joins, $where, $groupby, $order, $limitcount);
- }
-
- public function count()
- {
- return $this->count;
- }
-
- private function &buildView($view, $data)
- {
- $view = strtolower($view);
- if (!$view || !class_exists($view . 'View') || !isset($this->mods[$view])) {
- reset($this->mods);
- $view = $this->default ? $this->default : key($this->mods);
- }
- $this->mod = $view;
- $class = $view . 'View';
- if (!class_exists($class)) {
- $view = null;
- } else {
- $view = new $class($this, $data, $this->modParams[$this->mod]);
- if (!$view instanceof PlView) {
- $view = null;
- }
- }
- return $view;
- }
-
- public function apply($baseurl, PlatalPage &$page, $view = null, $data = null)
- {
- $view =& $this->buildView($view, $data);
- if (is_null($view)) {
- return false;
- }
- $args = $view->args();
- $page->changeTpl('core/plset.tpl');
- $page->assign('plset_base', $baseurl);
- $page->assign('plset_mods', $this->mods);
- $page->assign('plset_mod', $this->mod);
- $page->assign('plset_search', $this->encodeArgs($args));
- $page->assign('plset_search_enc', $this->encodeArgs($args, true));
- foreach ($this->modParams[$this->mod] as $param=>$value) {
- $page->assign($this->mod . '_' . $param, $value);
- }
- $page->assign('plset_content', $view->apply($page));
- $page->assign('plset_count', $this->count);
- return true;
- }
-}
-
-interface PlView
-{
- public function __construct(PlSet &$set, $data, array $params);
- public function apply(PlatalPage &$page);
- public function args();
-}
-
-abstract class MultipageView implements PlView
-{
- protected $set;
-
- public $pages = 1;
- public $page = 1;
- public $offset = 0;
-
- protected $entriesPerPage = 20;
- protected $params = array();
-
- protected $sortkeys = array();
- protected $defaultkey = null;
-
- public function __construct(PlSet &$set, $data, array $params)
- {
- $this->set =& $set;
- $this->page = Env::i('page', 1);
- $this->offset = $this->entriesPerPage * ($this->page - 1);
- $this->params = $params;
- }
-
- public function joins()
- {
- return null;
- }
-
- public function where()
- {
- return null;
- }
-
- public function groupBy()
- {
- return null;
- }
-
- protected function addSortKey($name, array $keys, $desc, $default = false)
- {
- $this->sortkeys[$name] = array('keys' => $keys, 'desc' => $desc);
- if (!$this->defaultkey || $default) {
- $this->defaultkey = $name;
- }
- }
-
- public function order()
- {
- $order = Env::v('order', $this->defaultkey);
- $invert = ($order{0} == '-');
- if ($invert) {
- $order = substr($order, 1);
- }
- $list = array();
- foreach ($this->sortkeys[$order]['keys'] as $item) {
- $desc = ($item{0} == '-');
- if ($desc) {
- $item = substr($item, 1);
- }
- if ($desc xor $invert) {
- $item .= ' DESC';
- }
- $list[] = $item;
- }
- return implode(', ', $list);
- }
-
- abstract public function templateName();
-
- public function apply(PlatalPage &$page)
- {
- $page->assign('order', Env::v('order', $this->defaultkey));
- $page->assign('orders', $this->sortkeys);
- $page->assign_by_ref('plview', $this);
- $page->assign_by_ref('set',
- $this->set->get($this->fields(),
- $this->joins(),
- $this->where(),
- $this->groupBy(),
- $this->order(),
- $this->entriesPerPage,
- $this->offset));
- $count = $this->set->count();
- $this->pages = intval(ceil($count / $this->entriesPerPage));
- return 'include/plview.multipage.tpl';
- }
-
- public function args()
- {
- $list = $this->set->args();
- unset($list['page']);
- unset($list['order']);
- return $list;
- }
-}
-
-// vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
-?>
projects / platal.git / blobdiff