/releases/application/libraries/MY_Pagination.php
PHP | 339 lines | 239 code | 56 blank | 44 comment | 72 complexity | d310dc9a61af20f31f94330ec8330f7c MD5 | raw file
Possible License(s): AGPL-3.0
- <?php
- class MY_Pagination extends CI_Pagination {
-
- var $first_link = 'First';
- var $last_link = 'Last';
- var $cur_tag_open = '<span class="pagecur">';
- var $cur_tag_close = '</span>';
- var $first_tag_close = '<span class="nextprev">';
- var $last_tag_open = '';
- var $next_tag_open = '';
- var $next_tag_close = '';
- var $prev_tag_open = '';
- var $prev_tag_close = '';
- var $num_tag_open = '';
- var $num_tag_close = '';
- function create_links()
- {
- // If our item count or per-page total is zero there is no need to continue.
- if ($this->total_rows == 0 OR $this->per_page == 0)
- {
- return '';
- }
- // Calculate the total number of pages
- $num_pages = ceil($this->total_rows / $this->per_page);
- // Is there only one page? Hm... nothing more to do here then.
- if ($num_pages == 1)
- {
- return '';
- }
- // 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)
- {
- $this->cur_page = $CI->input->get($this->query_string_segment);
- // Prep the current page - no funny business!
- $this->cur_page = (int) $this->cur_page;
- }
- }
- else
- {
- if ($CI->uri->segment($this->uri_segment) != 0)
- {
- $this->cur_page = $CI->uri->segment($this->uri_segment);
- // Prep the current page - no funny business!
- $this->cur_page = (int) $this->cur_page;
- }
- }
- $this->num_links = (int)$this->num_links;
- if ($this->num_links < 1)
- {
- show_error('Your number of links must be a positive number.');
- }
- if ( ! is_numeric($this->cur_page))
- {
- $this->cur_page = 0;
- }
- // Is the page number beyond the result range?
- // If so we show the last page
- if ($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);
- // Calculate the start and end numbers. These determine
- // which number to start and end the digit links with
- $start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;
- $end = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;
- // Is pagination being used over GET or POST? If get, add a per_page query
- // string. If post, add a trailing slash to the base URL if needed
- if ($this->page_query_string === TRUE)
- {
- $this->base_url = rtrim($this->base_url).'&'.$this->query_string_segment.'=';
- }
- else
- {
- $this->base_url = rtrim($this->base_url, '/') .'/';
- }
- // And here we go...
- $output = '';
- // Render the "First" link
- if ($this->first_link !== FALSE AND $this->cur_page > ($this->num_links + 1))
- {
- $first_url = ($this->first_url == '') ? $this->base_url : $this->first_url;
- $output .= $this->first_tag_open.'<a '.$this->anchor_class.'href="'.rtrim($first_url,'/').$this->suffix.'">'.$this->first_link.'</a>'.$this->first_tag_close;
- }
- // Render the "previous" link
- if ($this->prev_link !== FALSE AND $this->cur_page != 1)
- {
- $i = $uri_page_number - $this->per_page;
- if ($i == 0 && $this->first_url != '')
- {
- $output .= $this->prev_tag_open.'<a '.$this->anchor_class.'href="'.rtrim($this->first_url,'/').$this->suffix.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;
- }
- else
- {
- $i = ($i == 0) ? '' : $this->prefix.$i.$this->suffix;
- $output .= $this->prev_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.(floor(($i/$this->per_page) + 1)).$this->suffix.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;
- }
- }
- // Render the pages
- if ($this->display_pages !== FALSE)
- {
- // Write the digit links
- for ($loop = $start -1; $loop <= $end; $loop++)
- {
- $i = ($loop * $this->per_page) - $this->per_page;
- if ($i >= 0)
- {
- if ($this->cur_page == $loop)
- {
- $output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page
- }
- else
- {
- $n = ($i == 0) ? '' : $i;
- if ($n == '' && $this->first_url != '')
- {
- $output .= $this->num_tag_open.'<a '.$this->anchor_class.'href="'.rtrim($this->first_url,'/').$this->suffix.'">'.$loop.'</a>'.$this->num_tag_close;
- }
- else
- {
- $n = ($n == '') ? '' : $this->prefix.$n.$this->suffix;
- $output .= $this->num_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.(floor(($n/$this->per_page) + 1)).$this->suffix.'">'.$loop.'</a>'.$this->num_tag_close;
- }
- }
- }
- }
- }
- // 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.(floor((($this->cur_page * $this->per_page)/$this->per_page) + 1)).$this->suffix.'">'.$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);
- $output .= $this->last_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$this->prefix.(floor(($i/$this->per_page) + 1)).$this->suffix.'">'.$this->last_link.'</a>'.$this->last_tag_close;
- }
- // Kill double slashes. Note: Sometimes we can end up with a double slash
- // in the penultimate link so we'll kill all double slashes.
- $output = preg_replace("#([^:])//+#", "\\1/", $output);
- // Add the wrapper HTML if exists
- $output = $this->full_tag_open.$output.$this->full_tag_close;
- return $output;
- }
- function create_links_ajax($folder_id=0)
- {
- // If our item count or per-page total is zero there is no need to continue.
- if ($this->total_rows == 0 OR $this->per_page == 0)
- {
- return '';
- }
- // Calculate the total number of pages
- $num_pages = ceil($this->total_rows / $this->per_page);
- // Is there only one page? Hm... nothing more to do here then.
- if ($num_pages == 1)
- {
- return '';
- }
- // 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)
- {
- $this->cur_page = $CI->input->get($this->query_string_segment);
- // Prep the current page - no funny business!
- $this->cur_page = (int) $this->cur_page;
- }
- }
- else
- {
- if ($CI->uri->segment($this->uri_segment) != 0)
- {
- $this->cur_page = $CI->uri->segment($this->uri_segment);
- // Prep the current page - no funny business!
- $this->cur_page = (int) $this->cur_page;
- }
- }
- $this->num_links = (int)$this->num_links;
- if ($this->num_links < 1)
- {
- show_error('Your number of links must be a positive number.');
- }
- if ( ! is_numeric($this->cur_page))
- {
- $this->cur_page = 0;
- }
- // Is the page number beyond the result range?
- // If so we show the last page
- if ($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);
- // Calculate the start and end numbers. These determine
- // which number to start and end the digit links with
- $start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;
- $end = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;
- // Is pagination being used over GET or POST? If get, add a per_page query
- // string. If post, add a trailing slash to the base URL if needed
- if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE)
- {
- $this->base_url = rtrim($this->base_url).'&'.$this->query_string_segment.'=';
- }
- else
- {
- $this->base_url = rtrim($this->base_url, '/') .'/';
- }
- // And here we go...
- $output = '';
- // Render the "First" link
- if ($this->first_link !== FALSE AND $this->cur_page > ($this->num_links + 1))
- {
- $first_url = ($this->first_url == '') ? $this->base_url : $this->first_url;
- $output .= $this->first_tag_open.'<a '.$this->anchor_class.'href="javascript: ajaxListImages(0,'.$folder_id.')">'.$this->first_link.'</a>'.$this->first_tag_close;
- }
- // Render the "previous" link
- if ($this->prev_link !== FALSE AND $this->cur_page != 1)
- {
- $i = $uri_page_number - $this->per_page;
- if ($i == 0 && $this->first_url != '')
- {
- $output .= $this->prev_tag_open.'<a '.$this->anchor_class.'href="javascript: ajaxListImages(0,'.$folder_id.')">'.$this->prev_link.'</a>'.$this->prev_tag_close;
- }
- else
- {
- $i = ($i == 0) ? '' : $this->prefix.$i.$this->suffix;
- $output .= $this->prev_tag_open.'<a '.$this->anchor_class.'href="javascript: ajaxListImages('.intval($i).','.$folder_id.')">'.$this->prev_link.'</a>'.$this->prev_tag_close;
- }
- }
- // Render the pages
- if ($this->display_pages !== FALSE)
- {
- // Write the digit links
- for ($loop = $start -1; $loop <= $end; $loop++)
- {
- $i = ($loop * $this->per_page) - $this->per_page;
- if ($i >= 0)
- {
- if ($this->cur_page == $loop)
- {
- $output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page
- }
- else
- {
- $n = ($i == 0) ? '' : $i;
- if ($n == '' && $this->first_url != '')
- {
- $output .= $this->num_tag_open.'<a '.$this->anchor_class.'href="javascript: ajaxListImages(0,'.$folder_id.')">'.$loop.'</a>'.$this->num_tag_close;
- }
- else
- {
- $n = ($n == '') ? '' : $this->prefix.$n.$this->suffix;
- $output .= $this->num_tag_open.'<a '.$this->anchor_class.'href="javascript: ajaxListImages('.intval($n).','.$folder_id.')">'.$loop.'</a>'.$this->num_tag_close;
- }
- }
- }
- }
- }
- // 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="javascript: ajaxListImages('.($this->cur_page * $this->per_page).','.$folder_id.')">'.$this->next_link.'</a>'.$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);
- $output .= $this->last_tag_open.'<a '.$this->anchor_class.'href="javascript: ajaxListImages('.$i.','.$folder_id.')">'.$this->last_link.'</a>'.$this->last_tag_close;
- }
- // Kill double slashes. Note: Sometimes we can end up with a double slash
- // in the penultimate link so we'll kill all double slashes.
- $output = preg_replace("#([^:])//+#", "\\1/", $output);
- // Add the wrapper HTML if exists
- $output = $this->full_tag_open.$output.$this->full_tag_close;
- return $output;
- }
- }