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