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<?php
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/**
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* @file
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* Definition of views_plugin_row.
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*/
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/**
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* @defgroup views_row_plugins Views row plugins
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* @{
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* Row plugins control how Views outputs an individual record.
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*
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* They are tightly coupled to style plugins, in that a style plugin is what
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* calls the row plugin.
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*
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* @see hook_views_plugins()
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*/
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/**
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* Default plugin to view a single row of a table. This is really just a wrapper
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* around a theme function.
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*/
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class views_plugin_row extends views_plugin {
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/**
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* {@inheritdoc}
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*/
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public function init(&$view, &$display, $options = NULL) {
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$this->view = &$view;
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$this->display = &$display;
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// Overlay incoming options on top of defaults
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$this->unpack_options($this->options, isset($options) ? $options : $display->handler->get_option('row_options'));
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}
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/**
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* {@inheritdoc}
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*/
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public function uses_fields() {
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return !empty($this->definition['uses fields']);
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}
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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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$options = parent::option_definition();
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if (isset($this->base_table)) {
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$options['relationship'] = array('default' => 'none');
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}
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return $options;
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}
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/**
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* Provide a form for setting options.
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*/
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public function options_form(&$form, &$form_state) {
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parent::options_form($form, $form_state);
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if (isset($this->base_table)) {
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$view = &$form_state['view'];
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// A whole bunch of code to figure out what relationships are valid for
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// this item.
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$relationships = $view->display_handler->get_option('relationships');
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$relationship_options = array();
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foreach ($relationships as $relationship) {
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$relationship_handler = views_get_handler($relationship['table'], $relationship['field'], 'relationship');
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// If this relationship is valid for this type, add it to the list.
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$data = views_fetch_data($relationship['table']);
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$base = $data[$relationship['field']]['relationship']['base'];
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if ($base == $this->base_table) {
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$relationship_handler->init($view, $relationship);
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$relationship_options[$relationship['id']] = $relationship_handler->label();
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}
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}
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if (!empty($relationship_options)) {
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$relationship_options = array_merge(array('none' => t('Do not use a relationship')), $relationship_options);
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$rel = empty($this->options['relationship']) ? 'none' : $this->options['relationship'];
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if (empty($relationship_options[$rel])) {
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// Pick the first relationship.
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$rel = key($relationship_options);
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}
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$form['relationship'] = array(
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'#type' => 'select',
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'#title' => t('Relationship'),
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'#options' => $relationship_options,
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'#default_value' => $rel,
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);
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}
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else {
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$form['relationship'] = array(
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'#type' => 'value',
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'#value' => 'none',
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);
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}
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}
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}
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/**
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* Validate the options form.
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*/
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public function options_validate(&$form, &$form_state) {
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}
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/**
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* Perform any necessary changes to the form values prior to storage.
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* There is no need for this function to actually store the data.
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*/
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public function options_submit(&$form, &$form_state) {
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}
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/**
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* {@inheritdoc}
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*/
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public function query() {
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if (isset($this->base_table)) {
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if (isset($this->options['relationship']) && isset($this->view->relationship[$this->options['relationship']])) {
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$relationship = $this->view->relationship[$this->options['relationship']];
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$this->field_alias = $this->view->query->add_field($relationship->alias, $this->base_field);
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}
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else {
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$this->field_alias = $this->view->query->add_field($this->base_table, $this->base_field);
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}
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}
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}
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/**
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* Allow the style to do stuff before each row is rendered.
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*
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* @param array $result
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* The full array of results from the query.
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*/
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public function pre_render($result) {
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}
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/**
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* Render a row object. This usually passes through to a theme template
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* of some form, but not always.
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*
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* @param stdClass $row
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* A single row of the query result, so an element of $view->result.
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*
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* @return string
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* The rendered output of a single row, used by the style plugin.
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*/
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public function render($row) {
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return theme($this->theme_functions(),
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array(
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'view' => $this->view,
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'options' => $this->options,
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'row' => $row,
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'field_alias' => isset($this->field_alias) ? $this->field_alias : '',
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));
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}
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}
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/**
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* @}
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*/
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