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1 <?php
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2
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3 /**
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4 * @file
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5 * Plugin to provide an relationship handler for term from node.
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6 */
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7
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8 /**
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9 * Plugins are described by creating a $plugin array which will be used
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10 * by the system that includes this file.
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11 */
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12 $plugin = array(
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13 'title' => t('Term from node'),
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14 'keyword' => 'term',
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15 'description' => t('Adds a taxonomy term from a node context; if multiple terms are selected, this will get the "first" term only.'),
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16 'required context' => new ctools_context_required(t('Node'), 'node'),
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17 'context' => 'ctools_term_from_node_context',
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18 'edit form' => 'ctools_term_from_node_settings_form',
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19 'defaults' => array('vid' => ''),
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20 );
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21
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22 /**
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23 * Return a new context based on an existing context.
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24 */
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25 function ctools_term_from_node_context($context, $conf) {
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26 // If unset it wants a generic, unfilled context, which is just NULL.
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27 if (empty($context->data)) {
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28 return ctools_context_create_empty('entity:taxonomy_term', NULL);
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29 }
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30
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31 if (isset($context->data->taxonomy)) {
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32 foreach ($context->data->taxonomy as $term) {
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33 if ($term->vid == $conf['vid']) {
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34 return ctools_context_create('entity:taxonomy_term', $term);
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35 }
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36 }
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37 }
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38 }
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39
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40 /**
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41 * Settings form for the relationship.
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42 */
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43 function ctools_term_from_node_settings_form($form, &$form_state) {
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44 $conf = $form_state['conf'];
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45
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46 $options = array();
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47 foreach (taxonomy_get_vocabularies() as $vid => $vocabulary) {
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48 $options[$vid] = $vocabulary->name;
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49 }
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50 $form['vid'] = array(
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51 '#title' => t('Vocabulary'),
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52 '#type' => 'select',
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53 '#options' => $options,
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54 '#default_value' => $conf['vid'],
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55 '#prefix' => '<div class="clearfix">',
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56 '#suffix' => '</div>',
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57 );
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58
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59 return $form;
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60 }
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