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<?php
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// $Id: views_handler_argument_string.inc,v 1.4 2009/01/07 21:30:31 merlinofchaos Exp $
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/**
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* Basic argument handler to implement string arguments that may have length
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* limits.
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*
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* @ingroup views_argument_handlers
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*/
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class views_handler_argument_string extends views_handler_argument {
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function init(&$view, &$options) {
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parent::init($view, $options);
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if (!empty($this->definition['many to one'])) {
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$this->helper = new views_many_to_one_helper($this);
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// Ensure defaults for these, during summaries and stuff:
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$this->operator = 'or';
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$this->value = array();
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}
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}
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function option_definition() {
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$options = parent::option_definition();
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$options['glossary'] = array('default' => FALSE);
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$options['limit'] = array('default' => 0);
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$options['case'] = array('default' => 'none');
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$options['path_case'] = array('default' => 'none');
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$options['transform_dash'] = array('default' => FALSE);
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if (!empty($this->definition['many to one'])) {
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$options['add_table'] = array('default' => FALSE);
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$options['require_value'] = array('default' => FALSE);
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}
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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, $form_state);
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$form['glossary'] = array(
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'#type' => 'checkbox',
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'#title' => t('Glossary mode'),
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'#description' => t('Glossary mode applies a limit to the number of characters used in the argument, which allows the summary view to act as a glossary.'),
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'#default_value' => $this->options['glossary'],
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);
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$form['limit'] = array(
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'#type' => 'textfield',
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'#title' => t('Character limit'),
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'#description' => t('How many characters of the argument to filter against. If set to 1, all fields starting with the letter in the argument would be matched.'),
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'#default_value' => $this->options['limit'],
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'#process' => array('views_process_dependency'),
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'#dependency' => array('edit-options-glossary' => array(TRUE)),
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);
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$form['case'] = array(
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'#type' => 'select',
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'#title' => t('Case'),
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'#description' => t('When printing the argument result, how to transform the case.'),
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'#options' => array(
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'none' => t('No transform'),
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'upper' => t('Upper case'),
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'lower' => t('Lower case'),
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'ucfirst' => t('Capitalize first letter'),
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'ucwords' => t('Capitalize each word'),
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),
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'#default_value' => $this->options['case'],
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);
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$form['path_case'] = array(
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'#type' => 'select',
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'#title' => t('Case in path'),
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'#description' => t('When printing url paths, how to transform the case of the argument. Do not use this unless with Postgres as it uses case sensitive comparisons.'),
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'#options' => array(
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'none' => t('No transform'),
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'upper' => t('Upper case'),
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'lower' => t('Lower case'),
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'ucfirst' => t('Capitalize first letter'),
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'ucwords' => t('Capitalize each word'),
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),
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'#default_value' => $this->options['path_case'],
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);
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$form['transform_dash'] = array(
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'#type' => 'checkbox',
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'#title' => t('Transform spaces to dashes in URL'),
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'#default_value' => $this->options['transform_dash'],
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);
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if (!empty($this->definition['many to one'])) {
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$form['add_table'] = array(
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'#type' => 'checkbox',
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'#title' => t('Allow multiple arguments to work together.'),
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'#description' => t('If selected, multiple instances of this argument can work together, as though multiple terms were supplied to the same argument. This setting is not compatible with the "Reduce duplicates" setting.'),
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'#default_value' => !empty($this->options['add_table']),
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);
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$form['require_value'] = array(
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'#type' => 'checkbox',
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'#title' => t('Do not display items with no value in summary'),
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'#default_value' => !empty($this->options['require_value']),
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);
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}
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}
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/**
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* Build the summary query based on a string
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*/
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function summary_query() {
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if (empty($this->definition['many to one'])) {
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$this->ensure_my_table();
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}
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else {
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$this->table_alias = $this->helper->summary_join();
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}
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if (empty($this->options['glossary'])) {
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// Add the field.
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$this->base_alias = $this->name_alias = $this->query->add_field($this->table_alias, $this->real_field);
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$this->query->set_count_field($this->table_alias, $this->real_field);
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}
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else {
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// Add the field.
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$formula = $this->get_formula();
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$this->base_alias = $this->name_alias = $this->query->add_field(NULL, $formula, $this->field . '_truncated');
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$this->query->set_count_field(NULL, $formula, $this->field, $this->field . '_truncated');
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}
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return $this->summary_basics(FALSE);
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}
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/**
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* Get the formula for this argument.
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*
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* $this->ensure_my_table() MUST have been called prior to this.
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*/
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function get_formula() {
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return "SUBSTR($this->table_alias.$this->real_field, 1, " . intval($this->options['limit']) . ")";
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}
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/**
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* Build the query based upon the formula
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*/
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function query() {
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$argument = $this->argument;
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if (!empty($this->options['transform_dash'])) {
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$argument = strtr($argument, '-', ' ');
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}
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if (!empty($this->definition['many to one'])) {
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if (!empty($this->options['glossary'])) {
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$this->helper->formula = TRUE;
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}
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$this->value = array($argument);
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$this->helper->ensure_my_table();
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$this->helper->add_filter();
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return;
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}
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$this->ensure_my_table();
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if (empty($this->options['glossary'])) {
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$field = "$this->table_alias.$this->real_field";
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}
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else {
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$field = $this->get_formula();
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}
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$this->query->add_where(0, "$field = '%s'", $argument);
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}
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function summary_argument($data) {
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$value = $this->case_transform($data->{$this->base_alias}, 'path_case');
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if (!empty($this->options['transform_dash'])) {
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$value = strtr($value, ' ', '-');
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}
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return $value;
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}
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function case_transform($string, $option) {
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global $multibyte;
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switch ($this->options[$option]) {
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default:
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return $string;
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case 'upper':
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return drupal_strtoupper($string);
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case 'lower':
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return drupal_strtolower($string);
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case 'ucfirst':
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return drupal_strtoupper(drupal_substr($string, 0, 1)) . drupal_substr($string, 1);
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case 'ucwords':
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if ($multibyte == UNICODE_MULTIBYTE) {
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return mb_convert_case($string, MB_CASE_TITLE);
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} else {
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return ucwords($string);
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}
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}
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}
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function title() {
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$title = $this->case_transform($this->argument, 'case');
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if (!empty($this->options['transform_dash'])) {
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$title = strtr($title, '-', ' ');
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}
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return check_plain($title);
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}
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function summary_name($data) {
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return $this->case_transform(parent::summary_name($data), 'case');
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}
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}
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