Subversion Repositories Applications.papyrus

Rev

Rev 1713 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
848 florian 1
<?php
2
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
3
 
4
/**
5
 * Contains the Pager class
6
 *
7
 * PHP versions 4 and 5
8
 *
9
 * LICENSE: Redistribution and use in source and binary forms, with or without
10
 * modification, are permitted provided that the following conditions are met:
11
 * 1. Redistributions of source code must retain the above copyright
12
 *    notice, this list of conditions and the following disclaimer.
13
 * 2. Redistributions in binary form must reproduce the above copyright
14
 *    notice, this list of conditions and the following disclaimer in the
15
 *    documentation and/or other materials provided with the distribution.
16
 * 3. The name of the author may not be used to endorse or promote products
17
 *    derived from this software without specific prior written permission.
18
 *
19
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
20
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22
 * IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
23
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
 *
30
 * @category   HTML
31
 * @package    Pager
32
 * @author     Lorenzo Alberton <l dot alberton at quipo dot it>
33
 * @author     Richard Heyes <richard@phpguru.org>
34
 * @copyright  2003-2006 Lorenzo Alberton, Richard Heyes
35
 * @license    http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
2150 mathias 36
 * @version    CVS: $Id: Pager.php,v 1.2 2007-11-06 10:54:04 jp_milcent Exp $
848 florian 37
 * @link       http://pear.php.net/package/Pager
38
 */
39
 
40
/**
41
 * Pager - Wrapper class for [Sliding|Jumping]-window Pager
42
 * Usage examples can be found in the PEAR manual
43
 *
44
 * @category   HTML
45
 * @package    Pager
46
 * @author     Lorenzo Alberton <l dot alberton at quipo dot it>
47
 * @author     Richard Heyes <richard@phpguru.org>,
48
 * @copyright  2003-2005 Lorenzo Alberton, Richard Heyes
49
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
50
 * @link       http://pear.php.net/package/Pager
51
 */
52
class Pager
53
{
54
    // {{{ Pager()
55
 
56
    /**
57
     * Constructor
58
     *
59
     * -------------------------------------------------------------------------
60
     * VALID options are (default values are set some lines before):
61
     *  - mode       (string): "Jumping" or "Sliding"  -window - It determines
62
     *                         pager behaviour. See the manual for more details
63
     *  - totalItems (int):    # of items to page.
64
     *  - perPage    (int):    # of items per page.
65
     *  - delta      (int):    # of page #s to show before and after the current
66
     *                         one
67
     *  - linkClass  (string): name of CSS class used for link styling.
68
     *  - append     (bool):   if true pageID is appended as GET value to the
69
     *                         URL - if false it is embedded in the URL
70
     *                         according to "fileName" specs
71
     *  - httpMethod (string): Specifies the HTTP method to use. Valid values
72
     *                         are 'GET' or 'POST'
73
     *                         according to "fileName" specs
74
     *  - importQuery (bool):  if true (default behaviour), variables and
75
     *                         values are imported from the submitted data
76
     *                         (query string) and used in the generated links
77
     *                         otherwise they're ignored completely
78
     *  - path       (string): complete path to the page (without the page name)
79
     *  - fileName   (string): name of the page, with a %d if append=true
80
     *  - urlVar     (string): name of pageNumber URL var, for example "pageID"
81
     *  - altPrev    (string): alt text to display for prev page, on prev link.
82
     *  - altNext    (string): alt text to display for next page, on next link.
83
     *  - altPage    (string): alt text to display before the page number.
84
     *  - prevImg    (string): sth (it can be text such as "<< PREV" or an
85
     *                         <img/> as well...) to display instead of "<<".
86
     *  - nextImg    (string): same as prevImg, used for NEXT link, instead of
87
     *                         the default value, which is ">>".
88
     *  - separator  (string): what to use to separate numbers (can be an
89
     *                         <img/>, a comma, an hyphen, or whatever.
90
     *  - spacesBeforeSeparator
91
     *               (int):    number of spaces before the separator.
92
     *  - firstPagePre (string):
93
     *                         string used before first page number (can be an
94
     *                         <img/>, a "{", an empty string, or whatever.
95
     *  - firstPageText (string):
96
     *                         string used in place of first page number
97
     *  - firstPagePost (string):
98
     *                         string used after first page number (can be an
99
     *                         <img/>, a "}", an empty string, or whatever.
100
     *  - lastPagePre (string):
101
     *                         similar to firstPagePre.
102
     *  - lastPageText (string):
103
     *                         similar to firstPageText.
104
     *  - lastPagePost (string):
105
     *                         similar to firstPagePost.
106
     *  - spacesAfterSeparator
107
     *               (int):    number of spaces after the separator.
108
     *  - firstLinkTitle (string):
109
     *                          string used as title in <link rel="first"> tag
110
     *  - lastLinkTitle (string):
111
     *                          string used as title in <link rel="last"> tag
112
     *  - prevLinkTitle (string):
113
     *                          string used as title in <link rel="prev"> tag
114
     *  - nextLinkTitle (string):
115
     *                          string used as title in <link rel="next"> tag
116
     *  - curPageLinkClassName
117
     *               (string): name of CSS class used for current page link.
118
     *  - clearIfVoid(bool):   if there's only one page, don't display pager.
119
     *  - extraVars (array):   additional URL vars to be added to the querystring
120
     *  - excludeVars (array): URL vars to be excluded in the querystring
121
     *  - itemData   (array):  array of items to page.
122
     *  - useSessions (bool):  if true, number of items to display per page is
123
     *                         stored in the $_SESSION[$_sessionVar] var.
124
     *  - closeSession (bool): if true, the session is closed just after R/W.
125
     *  - sessionVar (string): name of the session var for perPage value.
126
     *                         A value != from default can be useful when
127
     *                         using more than one Pager istance in the page.
128
     *  - pearErrorMode (constant):
129
     *                         PEAR_ERROR mode for raiseError().
130
     *                         Default is PEAR_ERROR_RETURN.
131
     * -------------------------------------------------------------------------
132
     * REQUIRED options are:
133
     *  - fileName IF append==false (default is true)
134
     *  - itemData OR totalItems (if itemData is set, totalItems is overwritten)
135
     * -------------------------------------------------------------------------
136
     *
137
     * @param mixed $options    An associative array of option names and
138
     *                          their values.
139
     * @access public
140
     */
141
    function Pager($options = array())
142
    {
143
        //this check evaluates to true on 5.0.0RC-dev,
144
        //so i'm using another one, for now...
145
        //if (version_compare(phpversion(), '5.0.0') == -1) {
146
        if (get_class($this) == 'pager') { //php4 lowers class names
147
            // assign factoried method to this for PHP 4
148
            eval('$this = Pager::factory($options);');
149
        } else { //php5 is case sensitive
150
            $msg = 'Pager constructor is deprecated.'
151
                  .' You must use the "Pager::factory($params)" method'
152
                  .' instead of "new Pager($params)"';
153
            trigger_error($msg, E_USER_ERROR);
154
        }
155
    }
156
 
157
    // }}}
158
    // {{{ factory()
159
 
160
    /**
161
     * Return a pager based on $mode and $options
162
     *
163
     * @param  array $options Optional parameters for the storage class
164
     * @return object Object   Storage object
165
     * @static
166
     * @access public
167
     */
1713 jp_milcent 168
    static function &factory($options = array())
848 florian 169
    {
170
        $mode = (isset($options['mode']) ? ucfirst($options['mode']) : 'Jumping');
171
        $classname = 'Pager_' . $mode;
172
        $classfile = 'Pager' . DIRECTORY_SEPARATOR . $mode . '.php';
173
 
174
        // Attempt to include a custom version of the named class, but don't treat
175
        // a failure as fatal.  The caller may have already included their own
176
        // version of the named class.
177
        if (!class_exists($classname)) {
178
            include_once $classfile;
179
        }
180
 
181
        // If the class exists, return a new instance of it.
182
        if (class_exists($classname)) {
183
            $pager =& new $classname($options);
184
            return $pager;
185
        }
186
 
187
        $null = null;
188
        return $null;
189
    }
190
 
191
    // }}}
192
}
193
?>