molajo/pagination

Pagination Support for PHP Applications

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github.com/Molajo/Pagination

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Type:molajo-package

0.1.0 2014-02-01 05:34 UTC

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MIT 6dade951a7332fae3379f0b128fccd7a4aba8198

paginationrenderMolajoCommonApi

This package is auto-updated.

Last update: 2024-12-08 05:24:17 UTC

README

======= Molajo Pagination

Build Status

Provides easy pagination data for any PHP application.

At a glance ...

  1. Get the page_url, query parameters and start value from your preferred Http Request Class.
  2. Run a query (or produce a list of items) using normal offset and row limit criteria.
  3. Instantiate the Molajo\Pagination class, injecting it with the data and various pagination values.
  4. Use the pagination data object to render the pagination interface.

Detailed Example

The following is from a working example of a Pagination View located in in the .dev/Sample folder. To see the demo on your local website, create an Apache Host using the Public Folder as the Disk Location. Then, use the Server Name as the address in your browser.

/** 1. Routing: simulates the Router */
include __DIR__ . '/Route.php';

/** 2. Configuration Data */
include __DIR__ . '/RuntimeData.php';

/** 3. Get Mocked Data: could be any list of data */
include __DIR__ . '/MockData.php';

$data_instance = new \Molajo\Pagination\MockData(
    (int)$runtime_data->route->parameter_start,
    (int)$runtime_data->parameters->display_items_per_page_count
);

$mockdata = $data_instance->getData();

/** */
/** 4. Get Pagination Data (the main point!) */
/** */
$pagination_instance = new \Molajo\Pagination();

$row = $pagination_instance->getPaginationData(

// Configuration: variables your application must provide
    $runtime_data->parameters->display_items_per_page_count, // How many items are displayed on each page?
    $runtime_data->parameters->display_page_link_count, // 3 in this example => << < 1 2 3 > >>
    $runtime_data->parameters->create_sef_url_indicator, // Should SEF URLs be returned? true or false
    $runtime_data->parameters->display_index_in_url_indicator, // Should index.php appear in the URL? true or false

    // Primary Data: the total number of rows that could have been returned for the primary data
    $data_instance->getTotalItemsCount(),

    // Router: data from your router to help build the URLs for the pagination links
    $runtime_data->route->page, // URL for page on which paginated appears
    $runtime_data->route->parameter_start, // Query parameter 'start', for example, "?start=3" or "/start/3"
    array() // Other query parameters like "&tag=dog" or "/category/dog"
);

Pagination Output

The Pagination getPaginationData method returns a data object of the following data elements that correspond to this mock-up of a rendered view.

   << << << 1 2 3 4 5 >> >> >>
   A ... B. C........ D. E....

A << <<

  • $row->first_page_number
  • $row->first_page_link

B <<

  • $row->previous_page_number
  • $row->previous_page_link

C Used to loop through page links 1 2 3 4 5

  • $row->start_links_page_number
  • $row->stop_links_page_number
  • $row->page_links_array

D >>

  • $row->next_page_number
  • $row->next_page_link

E >> >>

  • $row->last_page_number
  • $row->last_page_link

Additional data provided by the method:

  • $row->current_start_parameter_number
  • $row->current_start_parameter_link
  • $row->total_items

Example View

The following View is part of the Example to demonstrate how to use the pagination data for rendering.

<nav>
    <ul class="pagination">
        <?php if ((int)$row->first_page_number == (int)$row->current_start_parameter_number) : ?>
            <li>&laquo; &laquo;</li>
        <?php else : ?>
            <li><a href="<?= $row->first_page_link; ?>">&laquo; &laquo;</a></li>
        <?php endif; ?>

        <?php if ((int)$row->previous_page_number == (int)$row->current_start_parameter_number) : ?>
            <li>&laquo;</li>
        <?php else : ?>
            <li><a href="<?= $row->previous_page_link; ?>">&laquo;</a></li>
        <?php endif; ?>

        <?php
        for ($i = $row->start_links_page_number;
             $i < $row->stop_links_page_number + 1;
             $i ++) {
            if ((int)$i == (int)$row->current_start_parameter_number) : ?>
                <li class="current">
            <?php else : ?>
                <li>
            <?php endif; ?>
            <a href="<?= $row->page_links_array[$i]; ?>"><?= $i; ?></a></li>
        <?php } ?>

        <?php if ((int)$row->next_page_number == (int)$row->current_start_parameter_number) : ?>
            <li>&raquo;</li>
        <?php else : ?>
            <li><a href="<?= $row->next_page_link; ?>">&raquo;</a></li>
        <?php endif; ?>

        <?php if ((int)$row->last_page_number == (int)$row->current_start_parameter_number) : ?>
            <li>&raquo; &raquo;</li>
        <?php else : ?>
            <li><a href="<?= $row->last_page_link; ?>">&raquo; &raquo;</a></li>
        <?php endif; ?>
    </ul>
</nav>

Install using Composer from Packagist

Step 1: Install composer in your project

    curl -s https://getcomposer.org/installer | php

Step 2: Create a composer.json file in your project root

{
    "require": {
        "Molajo/Pagination": "1.*"
    }
}

Step 3: Install via composer

    php composer.phar install

Requirements and Compliance