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add_params, div, pagination

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git-svn-id: https://webim.svn.sourceforge.net/svnroot/webim/trunk@15 c66351dc-e62f-0410-b875-e3a5c0b9693f
This commit is contained in:
Evgeny Gryaznov 2007-07-03 21:06:39 +00:00
parent d6c670ce3a
commit 1f658bf8eb
2 changed files with 114 additions and 0 deletions
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15
src/webim/libs/common.php
View File

@ -240,4 +240,19 @@ function get_gifimage_size($file) {
return array(0,0);
}
function add_params($servlet, $params) {
$infix = '?';
if( strstr($servlet,$infix) !== FALSE )
$infix = '&';
foreach($params as $k => $v) {
$servlet .= $infix.$k."=".$v;
$infix = '&';
}
return $servlet;
}
function div($a,$b) {
return ($a-($a % $b)) / $b;
}
?>

99
src/webim/libs/pagination.php Normal file
View File

@ -0,0 +1,99 @@
<?php
/*
* This file is part of Web Instant Messenger project.
*
* Copyright (c) 2005-2007 Internet Services Ltd.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Evgeny Gryaznov - initial API and implementation
*/
$pagination_spacing = "&nbsp;&nbsp;&nbsp;";
$links_on_page = 5;
function generate_pagination_link($page,$title) {
$lnk = $_SERVER['REQUEST_URI'];
$href = preg_replace("/\?page=\d+\&/", "?", preg_replace("/\&page=\d+/", "", $lnk));
$href .= strstr($href,"?") ? "&page=$page" : "?page=$page";
return "<a href=\"$href\" class=\"pagelink\">$title</a>";
}
function generate_pagination_image($id) {
global $webimroot;
return "<img src=\"$webimroot/images/$id.gif\" border=\"0\"/>";
}
function setup_pagination($items) {
global $page;
if( $items ) {
$items_per_page = verifyparam("items", "/^\d{1,3}$/", 2);
if( $items_per_page < 2 )
$items_per_page = 2;
$total_pages = div(count($items) + $items_per_page - 1, $items_per_page);
$curr_page = verifyparam("page", "/^\d{1,6}$/", 1);
if( $curr_page < 1 )
$curr_page = 1;
if( $curr_page > $total_pages )
$curr_page = $total_pages;
$start_index = ($curr_page-1)*$items_per_page;
$end_index = min($start_index+$items_per_page, count($items));
$page['pagination.items'] = array_slice($items, $start_index, $end_index-$start_index);
$page['pagination'] =
array( "page" => $curr_page, "items" => $items_per_page, "total" => $total_pages,
"count" => count($items), "start" => $start_index, "end" => $end_index );
} else {
$page['pagination.items'] = false;
$page['pagination'] = true;
}
}
function setup_empty_pagination() {
global $page;
$page['pagination.items'] = false;
$page['pagination'] = false;
}
function generate_pagination($pagination) {
global $pagination_spacing, $links_on_page;
$result = getstring2("tag.pagination.info",
array($pagination['page'],$pagination['total'],$pagination['start']+1,$pagination['end'],$pagination['count']))."<br/>";
if( $pagination['total'] > 1 ) {
$result.="<br/><div class='pagination'>";
$curr_page = $pagination['page'];
$minPage = max( $curr_page - $links_on_page, 1 );
$maxPage = min( $curr_page + $links_on_page, $pagination['total'] );
if( $curr_page > 1 ) {
$result .= generate_pagination_link($curr_page-1, generate_pagination_image("prevpage")).$pagination_spacing;
}
for($i = $minPage; $i <= $maxPage; $i++ ) {
$title = abs($curr_page-$i) >= $links_on_page && $i != 1 ? "..." : $i;
if( $i != $curr_page)
$result .= generate_pagination_link($i, $title);
else
$result .= "<span class=\"pagecurrent\">$title</span>";
if( $i < $maxPage )
$result .= $pagination_spacing;
}
if( $curr_page < $pagination['total'] ) {
$result .= $pagination_spacing.generate_pagination_link($curr_page+1, generate_pagination_image("nextpage"));
}
$result.="</div>";
}
return $result;
}
?>