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<?php
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/**
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* @file
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* Definition of views_handler_field_serialized.
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*/
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/**
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* Field handler to show data of serialized fields.
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*
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* @ingroup views_field_handlers
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*/
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class views_handler_field_serialized extends views_handler_field {
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/**
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* {@inheritdoc}
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*/
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public function option_definition() {
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$options = parent::option_definition();
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$options['format'] = array('default' => 'unserialized');
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$options['key'] = array('default' => '');
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return $options;
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}
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/**
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* {@inheritdoc}
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*/
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public function options_form(&$form, &$form_state) {
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parent::options_form($form, $form_state);
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$form['format'] = array(
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'#type' => 'select',
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'#title' => t('Display format'),
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'#description' => t('How should the serialized data be displayed. You can choose a custom array/object key or a print_r on the full output.'),
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'#options' => array(
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'unserialized' => t('Full data (unserialized)'),
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'serialized' => t('Full data (serialized)'),
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'key' => t('A certain key'),
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),
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'#default_value' => $this->options['format'],
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);
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$form['key'] = array(
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'#type' => 'textfield',
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'#title' => t('Which key should be displayed'),
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'#default_value' => $this->options['key'],
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'#dependency' => array('edit-options-format' => array('key')),
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function options_validate(&$form, &$form_state) {
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// Require a key if the format is key.
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if ($form_state['values']['options']['format'] == 'key' && $form_state['values']['options']['key'] == '') {
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form_error($form['key'], t('You have to enter a key if you want to display a key of the data.'));
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function render($values) {
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$value = $values->{$this->field_alias};
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if ($this->options['format'] == 'unserialized') {
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return check_plain(print_r(unserialize($value), TRUE));
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}
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elseif ($this->options['format'] == 'key' && !empty($this->options['key'])) {
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$value = (array) unserialize($value);
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return check_plain($value[$this->options['key']]);
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}
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return check_plain($value);
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}
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}
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