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<?php |
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/** |
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* Common utilities file for the Ntentan framework. This file contains a |
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* collection of utility static methods which are used accross the framework. |
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* |
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* Ntentan Framework |
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* Copyright (c) 2008-2014 James Ekow Abaka Ainooson |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining |
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* a copy of this software and associated documentation files (the |
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* "Software"), to deal in the Software without restriction, including |
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* without limitation the rights to use, copy, modify, merge, publish, |
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* distribute, sublicense, and/or sell copies of the Software, and to |
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* permit persons to whom the Software is furnished to do so, subject to |
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* the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be |
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* included in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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* |
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* @author James Ainooson <[email protected]> |
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* @copyright Copyright 2014 James Ekow Abaka Ainooson |
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* @license MIT |
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*/ |
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namespace ntentan\honam\engines\php\helpers; |
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use ntentan\honam\engines\php\Helper; |
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use ntentan\utils\Input; |
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class PaginationHelper extends Helper |
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{ |
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private $parameters = [ |
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'query' => null, |
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'number_of_links' => 21, |
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'number_of_items' => null, |
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'items_per_page' => 10, |
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'base_url' => null, |
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'page_number' => 1 |
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]; |
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private $halfNumberOfLinks; |
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public function help($params = []) |
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{ |
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$this->parameters = array_merge($this->parameters, $params); |
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$this->parameters['number_of_pages'] = ceil($this->parameters['number_of_items'] / $this->parameters['items_per_page']); |
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$this->halfNumberOfLinks = ceil($this->parameters['number_of_links'] / 2); |
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if ($this->parameters['query'] != '') { |
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$this->parameters['page_number'] = Input::get($this->parameters['query']) == '' ? 1 : Input::get($this->parameters['query']); |
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} |
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return $this; |
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} |
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private function getLink($index) |
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{ |
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if ($this->parameters['query'] == '') { |
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$link = $this->parameters['base_url'] . $index; |
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} else { |
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$link = $this->parameters['base_url'] . '?'; |
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$get = Input::get(); |
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foreach ($get as $key => $value) { |
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if ($key == $this->parameters['query']) continue; |
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$link .= "$key=" . urlencode($value) . '&'; |
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} |
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$link .= "{$this->parameters['query']}=$index"; |
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} |
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return $link; |
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} |
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public function __toString() |
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{ |
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$pagingLinks = array(); |
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if ($this->parameters['page_number'] > 1) { |
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$pagingLinks[] = array( |
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"link" => $this->getLink($this->parameters['page_number'] - 1), |
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"label" => "Prev", |
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"selected" => false |
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); |
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} |
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if ($this->parameters['number_of_pages'] <= $this->parameters['number_of_links'] || $this->parameters['page_number'] < $this->halfNumberOfLinks) { |
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for ($i = 1; $i <= ($this->parameters['number_of_pages'] > $this->parameters['number_of_links'] ? $this->parameters['number_of_links'] : $this->parameters['number_of_pages']); $i++) { |
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$pagingLinks[] = array( |
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"link" => $this->getLink($i), |
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"label" => "$i", |
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"selected" => $this->parameters['page_number'] == $i |
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); |
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} |
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} else { |
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if ($this->parameters['number_of_pages'] - $this->parameters['page_number'] < $this->halfNumberOfLinks) { |
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$startOffset = $this->parameters['page_number'] - (($this->parameters['number_of_links'] - 1) - ($this->parameters['number_of_pages'] - $this->parameters['page_number'])); |
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$endOffset = $this->parameters['page_number'] + ($this->parameters['number_of_pages'] - $this->parameters['page_number']); |
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} else { |
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$startOffset = $this->parameters['page_number'] - ($this->halfNumberOfLinks - 1); |
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$endOffset = $this->parameters['page_number'] + ($this->halfNumberOfLinks - 1); |
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} |
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for ($i = $startOffset; $i <= $endOffset; $i++) { |
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$pagingLinks[] = array( |
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"link" => $this->getLink($i), |
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"label" => "$i", |
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"selected" => $this->parameters['page_number'] == $i |
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); |
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} |
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} |
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if ($this->parameters['page_number'] < $this->parameters['number_of_pages']) { |
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$pagingLinks[] = array( |
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"link" => $this->getLink($this->parameters['page_number'] + 1), |
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"label" => "Next", |
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"selected" => false |
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); |
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} |
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return $this->templateRenderer->render("links.tpl.php", array('links' => $pagingLinks)); |
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} |
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} |
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ntentan /
honam
