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<?php

App::uses('PaginatorHelper','View/Helper');

class CustomPaginatorHelper extends PaginatorHelper {
	public function numbers($options = array()) {
		if ($options === true) {
			$options = array(
				'before' => ' | ', 'after' => ' | ', 'first' => 'first', 'last' => 'last'
			);
		}

		$defaults = array(
			'tag' => 'span', 'before' => null, 'after' => null, 'model' => $this->defaultModel(), 'class' => null,
			'modulus' => '8', 'separator' => ' | ', 'first' => null, 'last' => null, 'ellipsis' => '...',
		);
		$options += $defaults;

		$params = (array)$this->params($options['model']) + array('page' => 1);
		unset($options['model']);

		if ($params['pageCount'] <= 1) {
			return false;
		}

		extract($options);
		unset($options['tag'], $options['before'], $options['after'], $options['model'],
		$options['modulus'], $options['separator'], $options['first'], $options['last'],
		$options['ellipsis'], $options['class']
		);

		$out = '';

		if ($modulus && $params['pageCount'] > $modulus) {
			$half = intval($modulus / 2);
			$end = $params['page'] + $half;

			if ($end > $params['pageCount']) {
				$end = $params['pageCount'];
			}
			$start = $params['page'] - ($modulus - ($end - $params['page']));
			if ($start <= 1) {
				$start = 1;
				$end = $params['page'] + ($modulus  - $params['page']) + 1;
			}

			if ($first && $start > 1) {
				$offset = ($start <= (int)$first) ? $start - 1 : $first;
				if ($offset < $start - 1) {
					$out .= $this->first($offset, compact('tag', 'separator', 'ellipsis', 'class'));
				} else {
					$out .= $this->first($offset, compact('tag', 'separator', 'class') + array('after' => $separator));
				}
			}

			$out .= $before;

			$pagemax = $params['limit'];
			for ($i = $start; $i < $params['page']; $i++) {
				$display = (($i - 1)*$pagemax + 1). '-'.($i*$pagemax);
				$out .= $this->Html->tag($tag, $this->link($display, array('page' => $i), $options), compact('class'))
					. $separator;
			}

			$currentClass = 'current';
			if ($class) {
				$currentClass .= ' ' . $class;
			}
			$out .= $this->Html->tag($tag, $params['page'], array('class' => $currentClass));
			if ($i != $params['pageCount']) {
				$out .= $separator;
			}

			$start = $params['page'] + 1;
			for ($i = $start; $i < $end; $i++) {
				$out .= $this->Html->tag($tag, $this->link($i, array('page' => $i), $options), compact('class'))
					. $separator;
			}

			if ($end != $params['page']) {
				$out .= $this->Html->tag($tag, $this->link($i, array('page' => $end), $options), compact('class'));
			}

			$out .= $after;

			if ($last && $end < $params['pageCount']) {
				$offset = ($params['pageCount'] < $end + (int)$last) ? $params['pageCount'] - $end : $last;
				if ($offset <= $last && $params['pageCount'] - $end > $offset) {
					$out .= $this->last($offset, compact('tag', 'separator', 'ellipsis', 'class'));
				} else {
					$out .= $this->last($offset, compact('tag', 'separator', 'class') + array('before' => $separator));
				}
			}

		} else {
			$out .= $before;
			$pagemax = $params['limit'];

			for ($i = 1; $i <= $params['pageCount']; $i++) {
				$display = (($i - 1)*$pagemax + 1). '-'.($i*$pagemax);
				if ($i == $params['page']) {
					$currentClass = 'current';
					if ($class) {
						$currentClass .= ' ' . $class;
					}
					$out .= $this->Html->tag($tag, $display, array('class' => $currentClass));
				} else {
					$out .= $this->Html->tag($tag, $this->link($display, array('page' => $i), $options), compact('class'));
				}
				if ($i != $params['pageCount']) {
					$out .= $separator;
				}
			}

			$out .= $after;
		}

		return $out;
	}
}
?>