diff options
| -rw-r--r-- | system/libraries/Pagination.php | 51 | ||||
| -rw-r--r-- | user_guide/changelog.html | 1 | ||||
| -rw-r--r-- | user_guide/libraries/pagination.html | 6 |
3 files changed, 45 insertions, 13 deletions
diff --git a/system/libraries/Pagination.php b/system/libraries/Pagination.php index cc62e660b..f190d55fd 100644 --- a/system/libraries/Pagination.php +++ b/system/libraries/Pagination.php @@ -34,6 +34,7 @@ class CI_Pagination { var $per_page = 10; // Max number of items you want shown per page var $num_links = 2; // Number of "digit" links to show before/after the currently viewed page var $cur_page = 0; // The current page being viewed + var $use_page_numbers = FALSE; // Use page number for segment instead of offset var $first_link = '‹ First'; var $next_link = '>'; var $prev_link = '<'; @@ -128,12 +129,15 @@ class CI_Pagination { return ''; } + // Set the base page index for starting page number + $base_page = ($this->use_page_numbers) ? 1 : 0; + // Determine the current page number. $CI =& get_instance(); if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE) { - if ($CI->input->get($this->query_string_segment) != 0) + if ($CI->input->get($this->query_string_segment) != $base_page) { $this->cur_page = $CI->input->get($this->query_string_segment); @@ -143,7 +147,7 @@ class CI_Pagination { } else { - if ($CI->uri->segment($this->uri_segment) != 0) + if ($CI->uri->segment($this->uri_segment) != $base_page) { $this->cur_page = $CI->uri->segment($this->uri_segment); @@ -151,6 +155,12 @@ class CI_Pagination { $this->cur_page = (int) $this->cur_page; } } + + // Set current page to 1 if using page numbers instead of offset + if ($this->use_page_numbers AND $this->cur_page == 0) + { + $this->cur_page = $base_page; + } $this->num_links = (int)$this->num_links; @@ -161,18 +171,32 @@ class CI_Pagination { if ( ! is_numeric($this->cur_page)) { - $this->cur_page = 0; + $this->cur_page = $base_page; } // Is the page number beyond the result range? // If so we show the last page - if ($this->cur_page > $this->total_rows) + if ($this->use_page_numbers) { - $this->cur_page = ($num_pages - 1) * $this->per_page; + if ($this->cur_page > $num_pages) + { + $this->cur_page = $num_pages; + } + } + else + { + if ($this->cur_page > $this->total_rows) + { + $this->cur_page = ($num_pages - 1) * $this->per_page; + } } $uri_page_number = $this->cur_page; - $this->cur_page = floor(($this->cur_page/$this->per_page) + 1); + + if ( ! $this->use_page_numbers) + { + $this->cur_page = floor(($this->cur_page/$this->per_page) + 1); + } // Calculate the start and end numbers. These determine // which number to start and end the digit links with @@ -203,7 +227,7 @@ class CI_Pagination { // Render the "previous" link if ($this->prev_link !== FALSE AND $this->cur_page != 1) { - $i = $uri_page_number - $this->per_page; + $i = ($this->use_page_numbers) ? $uri_page_number - 1 : $uri_page_number - $this->per_page; if ($i == 0 && $this->first_url != '') { @@ -223,9 +247,9 @@ class CI_Pagination { // Write the digit links for ($loop = $start -1; $loop <= $end; $loop++) { - $i = ($loop * $this->per_page) - $this->per_page; + $i = ($this->use_page_numbers) ? $loop : ($loop * $this->per_page) - $this->per_page; - if ($i >= 0) + if ($i >= $base_page) { if ($this->cur_page == $loop) { @@ -233,7 +257,7 @@ class CI_Pagination { } else { - $n = ($i == 0) ? '' : $i; + $n = ($i == $base_page) ? '' : $i; if ($n == '' && $this->first_url != '') { @@ -253,13 +277,16 @@ class CI_Pagination { // Render the "next" link if ($this->next_link !== FALSE AND $this->cur_page < $num_pages) { - $output .= $this->next_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$this->prefix.($this->cur_page * $this->per_page).$this->suffix.'">'.$this->next_link.'</a>'.$this->next_tag_close; + $i = ($this->use_page_numbers) ? $this->cur_page + 1 : $this->cur_page * $this->per_page; + + $output .= $this->next_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$this->prefix.$i.$this->suffix.'">'.$this->next_link.'</a>'.$this->next_tag_close; } // Render the "Last" link if ($this->last_link !== FALSE AND ($this->cur_page + $this->num_links) < $num_pages) { - $i = (($num_pages * $this->per_page) - $this->per_page); + $i = ($this->use_page_numbers) ? $num_pages : ($num_pages * $this->per_page) - $this->per_page; + $output .= $this->last_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$this->prefix.$i.$this->suffix.'">'.$this->last_link.'</a>'.$this->last_tag_close; } diff --git a/user_guide/changelog.html b/user_guide/changelog.html index 8a4a70642..b9c1b6094 100644 --- a/user_guide/changelog.html +++ b/user_guide/changelog.html @@ -103,6 +103,7 @@ Change Log <li><samp>CI_Loader::_ci_autoloader()</samp> is now a protected method.</li> <li>Added <kbd>is_unique</kbd> to the <a href="libraries/form_validation.html">Form Validation library</a>.</li> <li>Modified valid_ip() to use PHP's filter_var() when possible (>= PHP 5.2) in the <a href="libraries/form_validation.html">Form Validation</a> library.</li> + <li>Added <kbd>$config['use_page_numbers']</kbd> to the <a href="libraries/pagination.html">Pagination library</a>, which enables real page numbers in the URI.</li> </ul> </li> <li>Core diff --git a/user_guide/libraries/pagination.html b/user_guide/libraries/pagination.html index 196555441..6a144114d 100644 --- a/user_guide/libraries/pagination.html +++ b/user_guide/libraries/pagination.html @@ -119,7 +119,11 @@ something different you can specify it.</p> <p>The number of "digit" links you would like before and after the selected page number. For example, the number 2 will place two digits on either side, as in the example links at the very top of this page.</p> -<h4>$config['page_query_string'] = TRUE</h4> + +<h4>$config['use_page_numbers'] = TRUE;</h4> +<p>By default, the URI segment will use the starting index for the items you are paginating. If you prefer to show the the actual page number, set this to TRUE.</p> + +<h4>$config['page_query_string'] = TRUE;</h4> <p>By default, the pagination library assume you are using <a href="../general/urls.html">URI Segments</a>, and constructs your links something like</p> <p><code>http://example.com/index.php/test/page/20</code></p> <p>If you have $config['enable_query_strings'] set to TRUE your links will automatically be re-written using Query Strings. This option can also be explictly set. Using $config['page_query_string'] set to TRUE, the pagination link will become.</p> |