pics/models/GenericTable.php

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<?php
/*****************************************************************************
* GenericTable.php
* Contains key class GenericTable.
*
* Kabuki CMS (C) 2013-2015, Aaron van Geffen
*****************************************************************************/
class GenericTable extends PageIndex
{
protected $header = [];
protected $body = [];
protected $page_index = [];
protected $title;
protected $title_class;
protected $tableIsSortable = false;
protected $recordCount;
protected $needsPageIndex = false;
protected $current_page;
protected $num_pages;
public $form_above;
public $form_below;
public function __construct($options)
{
// Make sure we're actually sorting on something sortable.
if (!isset($options['sort_order']) || (!empty($options['sort_order']) && empty($options['columns'][$options['sort_order']]['is_sortable'])))
$options['sort_order'] = '';
// Order in which direction?
if (!empty($options['sort_direction']) && !in_array($options['sort_direction'], array('up', 'down')))
$options['sort_direction'] = 'up';
// Make sure we know whether we can actually sort on something.
$this->tableIsSortable = !empty($options['base_url']);
// How much stuff do we have?
$this->recordCount = call_user_func_array($options['get_count'], !empty($options['get_count_params']) ? $options['get_count_params'] : array());
// Should we create a page index?
$this->items_per_page = !empty($options['items_per_page']) ? $options['items_per_page'] : 30;
$this->needsPageIndex = !empty($this->items_per_page) && $this->recordCount > $this->items_per_page;
$this->index_class = isset($options['index_class']) ? $options['index_class'] : '';
// Figure out where to start.
$this->start = empty($options['start']) || !is_numeric($options['start']) || $options['start'] < 0 || $options['start'] > $this->recordCount ? 0 : $options['start'];
// Let's bear a few things in mind...
$this->base_url = $options['base_url'];
// This should be set at all times, too.
if (empty($options['no_items_label']))
$options['no_items_label'] = '';
// Gather parameters for the data gather function first.
$parameters = array($this->start, $this->items_per_page, $options['sort_order'], $options['sort_direction']);
if (!empty($options['get_data_params']) && is_array($options['get_data_params']))
$parameters = array_merge($parameters, $options['get_data_params']);
// Okay, let's fetch the data!
$data = call_user_func_array($options['get_data'], $parameters);
// Clean up a bit.
$rows = $data['rows'];
$this->sort_order = $data['order'];
$this->sort_direction = $data['direction'];
unset($data);
// Okay, now for the column headers...
$this->generateColumnHeaders($options);
// Generate a pagination if requested
if ($this->needsPageIndex)
$this->generatePageIndex();
// Not a single row in sight?
if (empty($rows))
$this->body = $options['no_items_label'];
// Otherwise, parse it all!
else
$this->parseAllRows($rows, $options);
// Got a title?
$this->title = isset($options['title']) ? htmlentities($options['title']) : '';
$this->title_class = isset($options['title_class']) ? $options['title_class'] : '';
// Maybe even a form or two?
$this->form_above = isset($options['form_above']) ? $options['form_above'] : (isset($options['form']) ? $options['form'] : null);
$this->form_below = isset($options['form_below']) ? $options['form_below'] : (isset($options['form']) ? $options['form'] : null);
}
private function generateColumnHeaders($options)
{
foreach ($options['columns'] as $key => $column)
{
if (empty($column['header']))
continue;
$header = array(
'class' => isset($column['class']) ? $column['class'] : '',
'colspan' => !empty($column['header_colspan']) ? $column['header_colspan'] : 1,
'href' => !$this->tableIsSortable || empty($column['is_sortable']) ? '' : $this->getLink($this->start, $key, $key == $this->sort_order && $this->sort_direction == 'up' ? 'down' : 'up'),
'label' => $column['header'],
'scope' => 'col',
'sort_mode' => $key == $this->sort_order ? $this->sort_direction : null,
'width' => !empty($column['header_width']) && is_int($column['header_width']) ? $column['header_width'] : null,
);
$this->header[] = $header;
}
}
private function parseAllRows($rows, $options)
{
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foreach ($rows as $i => $row)
{
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$className = $i & 1 ? 'even' : 'odd';
if (isset($options['row_classifier']))
$className .= $options['row_classifier']($row);
$newRow = [
'class' => $className,
'cells' => [],
];
foreach ($options['columns'] as $column)
{
if (isset($column['enabled']) && $column['enabled'] == false)
continue;
// The hard way?
if (isset($column['parse']))
{
if (!isset($column['parse']['type']))
$column['parse']['type'] = 'value';
// Parse the basic value first.
switch ($column['parse']['type'])
{
// value: easy as pie.
default:
case 'value':
$value = $row[$column['parse']['data']];
break;
// sprintf: filling the gaps!
case 'sprintf':
$parameters = array($column['parse']['data']['pattern']);
foreach ($column['parse']['data']['arguments'] as $identifier)
$parameters[] = $row[$identifier];
$value = call_user_func_array('sprintf', $parameters);
break;
// timestamps: let's make them readable!
case 'timestamp':
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if (empty($column['parse']['data']['pattern']) || $column['parse']['data']['pattern'] === 'long')
$pattern = '%F %H:%M';
elseif ($column['parse']['data']['pattern'] === 'short')
$pattern = '%F';
else
$pattern = $column['parse']['data']['pattern'];
if (!is_numeric($row[$column['parse']['data']['timestamp']]))
$timestamp = strtotime($row[$column['parse']['data']['timestamp']]);
else
$timestamp = (int) $row[$column['parse']['data']['timestamp']];
if (isset($column['parse']['data']['if_null']) && $timestamp == 0)
$value = $column['parse']['data']['if_null'];
else
$value = strftime($pattern, $timestamp);
break;
// function: the flexible way!
case 'function':
$value = $column['parse']['data']($row);
break;
}
// Generate a link, if requested.
if (!empty($column['parse']['link']))
{
// First, generate the replacement variables.
$keys = array_keys($row);
$values = array_values($row);
foreach ($keys as $keyKey => $keyValue)
$keys[$keyKey] = '{' . strtoupper($keyValue) . '}';
$value = '<a href="' . str_replace($keys, $values, $column['parse']['link']) . '">' . $value . '</a>';
}
}
// The easy way!
else
$value = $row[$column['value']];
// Append the cell to the row.
$newRow['cells'][] = array(
'width' => !empty($column['cell_width']) && is_int($column['cell_width']) ? $column['cell_width'] : null,
'value' => $value,
);
}
// Append the new row in the body.
$this->body[] = $newRow;
}
}
public function getLink($start = null, $order = null, $dir = null)
{
if ($start === null)
$start = $this->start;
if ($order === null)
$order = $this->sort_order;
if ($dir === null)
$dir = $this->sort_direction;
return $this->base_url . (strpos($this->base_url, '?') ? '&' : '?') . 'start=' . $start . '&order=' . $order. '&dir=' . $dir;
}
public function getOffset()
{
return $this->start;
}
public function getArray()
{
// Makes no sense to call it for a table, but inherits from PageIndex due to poor design, sorry.
throw new Exception('Function call is ambiguous.');
}
public function getHeader()
{
return $this->header;
}
public function getBody()
{
return $this->body;
}
public function getTitle()
{
return $this->title;
}
public function getTitleClass()
{
return $this->title_class;
}
}