1 | <?php |
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7 | abstract class ModelCollectionOrdered extends ModelCollection |
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8 | { |
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9 | /** |
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10 | * @var array |
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11 | */ |
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12 | protected $order = []; |
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13 | |||
14 | /** |
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15 | * {@inheritdoc} |
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16 | */ |
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17 | 2 | public static function createFromArray(array $data) |
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18 | { |
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19 | 2 | $collection = new static(); |
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20 | |||
21 | 2 | foreach ($data[static::getItemsDataName()] as $itemId => $itemData) { |
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22 | 2 | $collection->items[$itemId] = $collection->createItem($itemData); |
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23 | } |
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24 | 2 | $collection->order = $data['order']; |
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25 | |||
26 | 2 | return $collection; |
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27 | } |
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28 | |||
29 | /** |
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30 | * {@inheritdoc} |
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31 | */ |
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32 | 2 | public function current() |
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33 | { |
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34 | 2 | return $this->items[$this->order[$this->key]]; |
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35 | } |
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36 | |||
37 | /** |
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38 | * {@inheritdoc} |
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39 | */ |
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40 | 2 | public function key() |
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41 | { |
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42 | 2 | return $this->order[$this->key]; |
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43 | } |
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44 | |||
45 | /** |
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46 | * {@inheritdoc} |
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47 | */ |
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48 | 2 | public function valid() |
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49 | { |
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50 | 2 | return $this->key < count($this->order); |
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51 | } |
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52 | |||
53 | /** |
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54 | * @return string[] |
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55 | */ |
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56 | 2 | public function getOrder(): array |
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57 | { |
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58 | 2 | return $this->order; |
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59 | } |
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60 | |||
61 | /** |
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62 | * Returns the name of the data containing the items to be sorted. |
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63 | * |
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64 | * @return string |
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65 | */ |
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66 | abstract protected static function getItemsDataName(); |
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67 | } |
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68 |