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1 <?php
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2
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3 namespace Drupal\views;
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4
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5 /**
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6 * Caches exposed forms, as they are heavy to generate.
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7 *
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8 * @see \Drupal\views\Form\ViewsExposedForm
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9 */
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10 class ExposedFormCache {
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11
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12 /**
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13 * Stores the exposed form data.
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14 *
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15 * @var array
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16 */
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17 protected $cache = [];
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18
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19 /**
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20 * Save the Views exposed form for later use.
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21 *
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22 * @param string $view_id
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23 * The views ID.
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24 * @param string $display_id
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25 * The current view display name.
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26 * @param array $form_output
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27 * The form structure. Only needed when inserting the value.
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28 */
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29 public function setForm($view_id, $display_id, array $form_output) {
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30 // Save the form output.
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31 $views_exposed[$view_id][$display_id] = $form_output;
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32 }
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33
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34 /**
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35 * Retrieves the views exposed form from cache.
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36 *
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37 * @param string $view_id
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38 * The views ID.
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39 * @param string $display_id
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40 * The current view display name.
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41 *
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42 * @return array|bool
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43 * The form structure, if any, otherwise FALSE.
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44 */
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45 public function getForm($view_id, $display_id) {
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46 // Return the form output, if any.
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47 if (empty($this->cache[$view_id][$display_id])) {
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48 return FALSE;
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49 }
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50 else {
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51 return $this->cache[$view_id][$display_id];
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52 }
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53 }
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54
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55 /**
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56 * Rests the form cache.
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57 */
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58 public function reset() {
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59 $this->cache = [];
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60 }
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61
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62 }
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