70 lines
1.3 KiB
PHP
70 lines
1.3 KiB
PHP
<?php
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namespace Rarst\Laps\Record;
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class Timeline_Iterator implements \Iterator {
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/** @var float $origin Start point for the timeline. */
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protected $origin;
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/** @var float $end Timeline duration. */
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protected $total;
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/** @var Recursive_Record_Iterator */
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protected $iterator;
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/** @var Recursive_Record_Iterator */
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protected $current;
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public function __construct( Recursive_Record_Iterator $iterator ) {
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global $timestart;
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$this->origin = $timestart * 1000;
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$this->iterator = $iterator;
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}
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/**
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* @return array
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*/
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public function current() {
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$data = [];
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foreach ( $this->current as $record ) {
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$data[] = $this->prepare( $record );
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}
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return $data;
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}
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public function next() {
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$this->current = $this->current->getChildren();
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}
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public function key() {
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}
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public function valid() {
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return (bool) count( $this->current );
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}
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public function rewind() {
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$this->total = microtime( true ) * 1000 - $this->origin;
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$this->current = $this->iterator;
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}
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protected function prepare( Record_Interface $record ) {
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$data = [
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'description' => $record->get_description(),
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'category' => $record->get_category(),
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'offset' => round( ( $record->get_origin() - $this->origin ) / $this->total * 100, 2 ),
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'width' => round( $record->get_duration() / $this->total * 100, 2 ),
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];
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return $data;
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}
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}
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