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<?php
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/**
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* @file
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* Contain the integration with views
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* A handler to provide a field that is completely custom by the administrator.
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*
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* @ingroup views_field_handlers
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*/
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class lightbox2_handler_field_lightbox2 extends views_handler_field {
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function query() {
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// Do nothing, as this handler does not need to do anything to the query itself.
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}
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function option_definition() {
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$options = parent::option_definition();
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$options['trigger_field'] = array('default' => '');
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$options['popup'] = array('default' => '');
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$options['caption'] = array('default' => '');
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$options['rel_group'] = array('default' => TRUE);
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$options['custom_group'] = array('default' => '');
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$options['height'] = array('default' => '400px');
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$options['width'] = array('default' => '600px');
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return $options;
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}
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function options_form(&$form, &$form_state) {
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parent::options_form($form, $form_state);
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$fields = array('trigger_field' => t('<None>'));
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foreach ($this->view->display_handler->get_handlers('field') as $field => $handler) {
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// We only use fields up to this one. Obviously we can't use this handler
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// as the trigger handler.
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if ($field == $this->options['id']) {
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break;
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}
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$fields[$field] = $handler->definition['title'];
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}
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$form['trigger_field'] = array(
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'#type' => 'select',
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'#title' => t('Trigger field'),
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'#description' => t('Select the field that should be turned into the trigger for the lightbox. Only fields that appear before this one in the field list may be used.'),
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'#options' => $fields,
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'#default_value' => $this->options['trigger_field'],
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'#weight' => -12,
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);
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$form['popup'] = array(
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'#type' => 'textarea',
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'#title' => t('Popup'),
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'#description' => t('Combine tokens from the "Replacement patterns" below and html to create what the lightbox popup will become.'),
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'#default_value' => $this->options['popup'],
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'#weight' => -11,
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);
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$form['caption'] = array(
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'#type' => 'textfield',
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'#title' => t('Caption'),
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'#description' => t('Combine tokens from the "Replacement patterns" below and html to create the caption shown under the lightbox. Leave empty for no caption.'),
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'#default_value' => $this->options['caption'],
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'#weight' => -10,
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);
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$form['rel_group'] = array(
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'#type' => 'checkbox',
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'#title' => t('Automatic generated Lightbox group'),
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'#description' => t('Enable Lightbox grouping using a generated group name for this view.'),
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'#default_value' => $this->options['rel_group'],
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'#weight' => -9,
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);
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$form['custom_group'] = array(
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'#type' => 'textfield',
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'#title' => t('Custom Lightbox group'),
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'#description' => t('Enable Lightbox grouping with a given string as group. Overrides the automatically generated group name above.'),
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'#default_value' => $this->options['custom_group'],
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'#weight' => -8,
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);
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$form['height'] = array(
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'#type' => 'textfield',
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'#title' => t('Height'),
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'#description' => t('Specify the height of the lightbox2 popup window. Because the content is dynamic, we cannot detect this value automatically.'),
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'#default_value' => $this->options['height'],
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'#weight' => -7,
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);
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$form['width'] = array(
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'#type' => 'textfield',
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'#title' => t('Width'),
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'#description' => t('Specify the width of the lightbox2 popup window. Because the content is dynamic, we cannot detect this value automatically.'),
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'#default_value' => $this->options['width'],
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'#weight' => -6,
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);
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// Remove the checkboxs and other irrelevant controls.
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unset($form['alter']['alter_text']);
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unset($form['alter']['make_link']);
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unset($form['alter']['text']);
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unset($form['alter']['path']);
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unset($form['alter']['alt']);
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unset($form['alter']['prefix']);
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unset($form['alter']['suffix']);
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unset($form['alter']['text']['#dependency']);
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unset($form['alter']['text']['#process']);
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}
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/**
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* Render the trigger field and its linked popup information.
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*/
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function render($values) {
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// We need to have multiple unique IDs, one for each record.
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static $i = 0;
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static $link;
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if (!empty($this->options['trigger_field'])) {
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// We don't actually use the link, but we need it there for lightbox to function.
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if (empty($link)) {
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// Get the path name.
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$path = isset($_GET['q']) ? $_GET['q'] : '<front>';
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$link = url($path, array('absolute' => TRUE));
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}
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// Get the token information and generate the value for the popup and the
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// caption.
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$tokens = $this->get_render_tokens($this->options['alter']);
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$popup = filter_xss_admin($this->options['popup']);
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$caption = filter_xss_admin($this->options['caption']);
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$popup = strtr($popup, $tokens);
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$caption = strtr($caption, $tokens);
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$i++;
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// The outside div is there to hide all of the divs because if the specific lightbox
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// div is hidden it won't show up as a lightbox. We also specify a group
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// in the rel attribute in order to link the whole View together for paging.
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$group_name = !empty($this->options['custom_group']) ? $this->options['custom_group'] : ($this->options['rel_group'] ? 'lightbox-popup-' . $this->view->name . '-' . implode('/', $this->view->args) : '');
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return "<a href='$link #lightbox-popup-{$i}' rel='lightmodal[{$group_name}|width:" . ($this->options['width'] ? $this->options['width'] : '600px') . ';height:' . ($this->options['height'] ? $this->options['height'] : '600px') . "][" . $caption . "]'>" . $tokens["[{$this->options['trigger_field']}]"] . "</a>
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<div style='display: none;'><div id='lightbox-popup-{$i}' class='lightbox-popup'>$popup</div></div>";
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}
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else {
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return;
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}
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}
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}
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