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<?php
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// $Id$
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/**
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* @file
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* Defines a CCK field type for a timer, which can be started, stopped and reset via timer button controls or workflow actions.
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*/
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/**
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* Implementation of hook_help().
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*/
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function timer_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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return t('Defines a CCK field type for a timer, which can be started, stopped and reset via timer button controls or workflow actions.');
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}
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}
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/**
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* Implementation of hook_perm()
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*/
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function timer_perm() {
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return array('use timer controls');
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}
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//============= DATA LAYER ==================================
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/**
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* Declare information about a field type.
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*/
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function timer_field_info() {
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return array(
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'timer' => array('label' => t('Timer')),
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);
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}
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/**
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* Handle the parameters for a field.
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*/
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function timer_field_settings($op, $field) {
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switch ($op) {
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case 'form':
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$form['timer_enable_controls'] = array(
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'#type' => 'checkbox',
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'#title' => t('Enable timer button controls?'),
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'#default_value' => isset($field['timer_enable_controls']) ? $field['timer_enable_controls'] : 1,
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'#return_value' => 1,
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'#description' => t('Disabling this setting will only allow workflow actions to control the timer.'),
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);
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$form['timer_enable_dhtml'] = array(
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'#type' => 'checkbox',
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'#title' => t('Enable DHTML timer update?'),
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'#default_value' => isset($field['timer_enable_dhtml']) ? $field['timer_enable_dhtml'] : 1,
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'#return_value' => 1,
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'#description' => t('If enabled, the timer will be shown in real-time. If disabled, the timer will be updated on page refresh.'),
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);
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$form['timer_granularity'] = array(
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'#type' => 'checkbox',
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'#title' => t('Show timer in seconds?'),
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'#default_value' => isset($field['timer_granularity']) ? $field['timer_granularity'] : 1,
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'#return_value' => 1,
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'#description' => t('If disabled, seconds will only be shown if the timer is less than 24 hours (e.g. seconds are not displayed for 1 day 2 hours 3 minutes). Seconds are always shown if DHTML timer update is enabled above.'),
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);
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$form['required']['#type'] = 'hidden';
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$form['multiple']['#type'] = 'hidden';
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return $form;
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case 'validate':
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unset ($field['multiple'],$field['required']);
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break;
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case 'save':
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return array('timer_enable_controls','timer_enable_dhtml', 'timer_granularity');
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case 'database columns':
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$columns = array(
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'timer_start' => array('type' => 'int', 'length' => 10, 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
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'timer_stop' => array('type' => 'int', 'length' => 10, 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
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'timer_elapsed' => array('type' => 'int', 'length' => 10, 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
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);
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return $columns;
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}
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}
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/**
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* Define the behavior of a field type.
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*/
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function timer_field($op, &$node, $field, &$items) {
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switch ($op) {
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// case 'load':
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// case 'validate':
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// case 'submit':
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// case 'insert':
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// case 'update':
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// case 'delete':
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case 'load':
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foreach ($items as $delta => $item) {
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$items[$delta]['view'] = content_format($field, $item, 'default', $node);
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}
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return theme('field', $node, $field, $items, $teaser, $page);
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break;
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}
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return $output;
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}
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//============= PRESENTATION LAYER ==================================
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/**
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* Declare information about a formatter.
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* - define one or more ways to display information
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* - The 'default' formatter is used for the standard node display.
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* - All the available formatters are displayed as options when the field is used in Views.
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*/
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function timer_field_formatter_info() {
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return array(
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'default' => array(
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'label' => 'Default',
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'field types' => array('timer'),
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),
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);
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}
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/**
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* Prepare an individual item for viewing in a browser.
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*/
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function timer_field_formatter($field, $item, $formatter, $node) {
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$path = drupal_get_path('module', 'timer');
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drupal_add_css($path . '/timer.css', 'module', 'screen', FALSE);
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$enable_button_controls = $field['timer_enable_controls'] && user_access('use timer controls');
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$timer_granularity = $field['timer_granularity'] ? 6 : 3;
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if ($item['timer_start'] == 0) {
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if ($enable_button_controls) {
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return theme('timer_button', $field['field_name'], $node, 'start');
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}
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return '';
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}
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$timer = $item['timer_elapsed'];
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if ($item['timer_stop'] != 0) {
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if ($enable_button_controls) {
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$timer_button .= theme('timer_button', $field['field_name'], $node, 'reset');
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}
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$timer += $item['timer_stop'] - $item['timer_start'];
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}
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else {
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if ($enable_button_controls) {
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$timer_button = theme('timer_button', $field['field_name'], $node, 'stop');
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}
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$timer += time() - $item['timer_start'];
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if ($field['timer_enable_dhtml']) {
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drupal_add_js($path . '/timer.js');
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drupal_add_js("\n" . 'var ' . $field['field_name'] . '=new timer(' . $timer . ', "' . $field['field_name'] . '");', 'inline', 'footer');
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}
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}
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switch ($formatter) {
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default:
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return theme('timer_field', $field['field_name'], format_interval($timer, $timer_granularity)) . $timer_button; //always display seconds
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}
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}
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//============= FORM LAYER ==================================
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/**
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* Declare information about a widget.
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*/
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function timer_widget_info() {
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return array(
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'timer' => array(
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'label' => t('Elapsed Timer'),
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'field types' => array('timer'),
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),
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);
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}
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/**
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* Handle the parameters for a widget.
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*/
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function timer_widget_settings($op, $widget) {
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switch ($op) {
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case 'form':
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$form = array();
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return $form;
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}
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}
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/**
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* Define the behavior of a widget.
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*/
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function timer_widget($op, &$node, $field, &$items) {
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switch ($op) {
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case 'prepare form values':
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break;
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case 'form':
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$form = array();
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$form[$field['field_name']] = array('#tree' => TRUE);
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$form[$field['field_name']][0]['timer_start'] = array(
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'#type' => 'hidden',
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'#default_value' => isset($items[0]['timer_start']) ? $items[0]['timer_start'] : 0,
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'#required' => $field['required'] ? $field['required'] : FALSE,
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);
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$form[$field['field_name']][0]['timer_stop'] = array(
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'#type' => 'hidden',
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'#default_value' => isset($items[0]['timer_stop']) ? $items[0]['timer_stop'] : 0,
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'#required' => $field['required'] ? $field['required'] : FALSE,
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);
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$form[$field['field_name']][0]['timer_elapsed'] = array(
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'#type' => 'hidden',
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'#default_value' => isset($items[0]['timer_elapsed']) ? $items[0]['timer_elapsed'] : 0,
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'#required' => $field['required'] ? $field['required'] : FALSE,
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);
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return $form;
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case 'validate':
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break;
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case 'process form values':
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break;
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case 'submit':
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break;
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}
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}
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//============= TIMER FORM BUTTONS ==================================
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function timer_form($op = 'reset', $node, $timer_field) {
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$form = array();
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$form['nid'] = array('#type' => 'hidden', '#value' => $node->nid);
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$form['timer_field'] = array('#type' => 'hidden', '#value' => $timer_field);
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switch ($op) {
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case 'start':
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$form['submit'] = array('#type' => 'submit', '#value' => t('Start'), '#attributes' => array('class' => 'start'));
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break;
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case 'stop':
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$form['submit'] = array('#type' => 'submit', '#value' => t('Stop'), '#attributes' => array('class' => 'stop'));
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break;
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default:
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$form['start'] = array('#type' => 'button', '#value' => t('Start'), '#attributes' => array('class' => 'start'));
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$form['submit'] = array('#type' => 'submit', '#value' => t('Reset'), '#attributes' => array('class' => 'reset'));
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break;
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}
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return $form;
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}
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function timer_form_validate($form_id, $form_values) {
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$op = $_POST['op'];
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unset($_POST['op']); //need to unset or infinite loop?
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switch ($op) {
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case t('Start'):
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drupal_set_message(t('Timer started.'));
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_timer_start(node_load($form_values['nid']), $form_values['timer_field']);
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break;
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case t('Stop'):
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drupal_set_message(t('Timer stopped.'));
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_timer_stop(node_load($form_values['nid']), $form_values['timer_field']);
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break;
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case t('Reset'):
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drupal_set_message(t('Timer reset.'));
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_timer_reset(node_load($form_values['nid']), $form_values['timer_field']);
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break;
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}
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//redirect to page for refresh
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//cache_clear_all('content:'. intval($form_values['nid']) .':' , 'cache_content', TRUE);
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drupal_goto($_GET['q']);
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}
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//============= THEME FUNCTIONS =====================================
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/**
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* Renders timer button output
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* @ingroup themeable
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*/
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function theme_timer_button($field, &$node, $action = 'start') {
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return '<div class="timer-button">' . drupal_get_form('timer_form', $action, $node, $field) . '</div>';
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}
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| 285 |
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/**
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* Renders timer field output
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* @ingroup themeable
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*/
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function theme_timer_field($field, $timer) {
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return '<div class="timer" id="' . $field . '">' . $timer . '</div>';
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}
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//============= ACTIONS ==================================
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function action_timer_start($op, $edit = array(), &$node) {
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switch($op) {
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case 'metadata':
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return array(
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'description' => t('Start timer'),
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'type' => t('CCK'),
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'batchable' => false,
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'configurable' => true,
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);
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case 'do':
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list($timer_node_type,$timer_field) = split("-",$edit['timer_field']);
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if ($node->type == $timer_node_type) {
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$found_field = db_result(db_query("SELECT f.type_name FROM {node_field_instance} f WHERE f.field_name='%s' AND f.widget_type LIKE '%s' LIMIT 0,1", $timer_field, 'timer%'));
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| 310 |
if ($found_field) {
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_timer_start($node, $timer_field);
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}
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else {
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| 314 |
watchdog('error', t('Action timer field %timer_field not valid for node type %timer_node_type', array('%timer_field' => $timer_field, '%timer_node_type' => $timer_node_type)));
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}
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| 316 |
}
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else {
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| 318 |
watchdog('error', t('Action timer node type %timer_node_type not valid for node type %node_type', array('%timer_node_type' => $timer_node_type, '%node_type' => $node->type)));
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}
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| 320 |
break;
|
| 321 |
|
| 322 |
// return an HTML config form for the action
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| 323 |
case 'form':
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$form = array();
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| 325 |
$options = array();
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| 326 |
$result = db_query("SELECT f.field_name, f.type_name, f.label, t.name FROM {node_field_instance} f LEFT JOIN {node_type} t ON (f.type_name = t.type) WHERE f.widget_type LIKE '%s' ORDER BY f.type_name", 'timer%');
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| 327 |
while ($data = db_fetch_object($result)) {
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$options[$data->type_name .'-'. $data->field_name] = $data->name . ': ' . $data->label;
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| 329 |
}
|
| 330 |
|
| 331 |
$form['timer_field'] = array (
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| 332 |
'#type' => 'select',
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| 333 |
'#title' => 'Timer field',
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| 334 |
'#default_value' => $edit['timer_field'],
|
| 335 |
'#options' => $options,
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| 336 |
'#required' => TRUE,
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| 337 |
'#description' => t('Select the CCK Timer field you would like to start. Note that the workflow must only be associated with the node type selected above.'),
|
| 338 |
);
|
| 339 |
return $form;
|
| 340 |
|
| 341 |
// validate the HTML form
|
| 342 |
case 'validate':
|
| 343 |
$errors = array();
|
| 344 |
foreach ($errors as $name => $message) {
|
| 345 |
form_set_error($name, $message);
|
| 346 |
}
|
| 347 |
return count($errors) == 0;
|
| 348 |
|
| 349 |
// process the HTML form to store configuration
|
| 350 |
case 'submit':
|
| 351 |
$params = array('timer_field' => $edit['timer_field']);
|
| 352 |
return $params;
|
| 353 |
}
|
| 354 |
}
|
| 355 |
|
| 356 |
function action_timer_stop($op, $edit = array(), &$node) {
|
| 357 |
switch($op) {
|
| 358 |
case 'metadata':
|
| 359 |
return array(
|
| 360 |
'description' => t('Stop timer'),
|
| 361 |
'type' => t('CCK'),
|
| 362 |
'batchable' => false,
|
| 363 |
'configurable' => true,
|
| 364 |
);
|
| 365 |
|
| 366 |
case 'do':
|
| 367 |
list($timer_node_type,$timer_field) = split("-",$edit['timer_field']);
|
| 368 |
if ($node->type == $timer_node_type) {
|
| 369 |
$found_field = db_result(db_query("SELECT f.type_name FROM {node_field_instance} f WHERE f.field_name='%s' AND f.widget_type LIKE '%s' LIMIT 0,1", $timer_field, 'timer%'));
|
| 370 |
if ($found_field) {
|
| 371 |
_timer_stop($node, $timer_field);
|
| 372 |
}
|
| 373 |
else {
|
| 374 |
watchdog('error', t('Action timer field %timer_field not valid for node type %timer_node_type', array('%timer_field' => $timer_field, '%timer_node_type' => $timer_node_type)));
|
| 375 |
}
|
| 376 |
}
|
| 377 |
else {
|
| 378 |
watchdog('error', t('Action timer node type %timer_node_type not valid for node type %node_type', array('%timer_node_type' => $timer_node_type, '%node_type' => $node->type)));
|
| 379 |
}
|
| 380 |
break;
|
| 381 |
|
| 382 |
// return an HTML config form for the action
|
| 383 |
case 'form':
|
| 384 |
$form = array();
|
| 385 |
$options = array();
|
| 386 |
$result = db_query("SELECT f.field_name, f.type_name, f.label, t.name FROM {node_field_instance} f LEFT JOIN {node_type} t ON (f.type_name = t.type) WHERE f.widget_type LIKE '%s' ORDER BY f.type_name", 'timer%');
|
| 387 |
while ($data = db_fetch_object($result)) {
|
| 388 |
$options[$data->type_name .'-'. $data->field_name] = $data->name . ': ' . $data->label;
|
| 389 |
}
|
| 390 |
|
| 391 |
$form['timer_field'] = array (
|
| 392 |
'#type' => 'select',
|
| 393 |
'#title' => 'Timer field',
|
| 394 |
'#default_value' => $edit['timer_field'],
|
| 395 |
'#options' => $options,
|
| 396 |
'#required' => TRUE,
|
| 397 |
'#description' => t('Select the CCK Timer field you would like to stop. Note that the workflow must only be associated with the node type selected above.'),
|
| 398 |
);
|
| 399 |
return $form;
|
| 400 |
|
| 401 |
// validate the HTML form
|
| 402 |
case 'validate':
|
| 403 |
$errors = array();
|
| 404 |
foreach ($errors as $name => $message) {
|
| 405 |
form_set_error($name, $message);
|
| 406 |
}
|
| 407 |
return count($errors) == 0;
|
| 408 |
|
| 409 |
// process the HTML form to store configuration
|
| 410 |
case 'submit':
|
| 411 |
$params = array('timer_field' => $edit['timer_field']);
|
| 412 |
return $params;
|
| 413 |
}
|
| 414 |
}
|
| 415 |
|
| 416 |
function action_timer_reset($op, $edit = array(), &$node) {
|
| 417 |
switch($op) {
|
| 418 |
case 'metadata':
|
| 419 |
return array(
|
| 420 |
'description' => t('Reset timer'),
|
| 421 |
'type' => t('CCK'),
|
| 422 |
'batchable' => false,
|
| 423 |
'configurable' => true,
|
| 424 |
);
|
| 425 |
|
| 426 |
case 'do':
|
| 427 |
list($timer_node_type,$timer_field) = split("-",$edit['timer_field']);
|
| 428 |
if ($node->type == $timer_node_type) {
|
| 429 |
$found_field = db_result(db_query("SELECT f.type_name FROM {node_field_instance} f WHERE f.field_name='%s' AND f.widget_type LIKE '%s' LIMIT 0,1", $timer_field, 'timer%'));
|
| 430 |
if ($found_field) {
|
| 431 |
_timer_reset($node, $timer_field);
|
| 432 |
}
|
| 433 |
else {
|
| 434 |
watchdog('error', t('Action timer field %timer_field not valid for node type %timer_node_type', array('%timer_field' => $timer_field, '%timer_node_type' => $timer_node_type)));
|
| 435 |
}
|
| 436 |
}
|
| 437 |
else {
|
| 438 |
watchdog('error', t('Action timer node type %timer_node_type not valid for node type %node_type', array('%timer_node_type' => $timer_node_type, '%node_type' => $node->type)));
|
| 439 |
}
|
| 440 |
break;
|
| 441 |
|
| 442 |
// return an HTML config form for the action
|
| 443 |
case 'form':
|
| 444 |
$form = array();
|
| 445 |
$options = array();
|
| 446 |
$result = db_query("SELECT f.field_name, f.type_name, f.label, t.name FROM {node_field_instance} f LEFT JOIN {node_type} t ON (f.type_name = t.type) WHERE f.widget_type LIKE '%s' ORDER BY f.type_name", 'timer%');
|
| 447 |
while ($data = db_fetch_object($result)) {
|
| 448 |
$options[$data->type_name .'-'. $data->field_name] = $data->name . ': ' . $data->label;
|
| 449 |
}
|
| 450 |
|
| 451 |
$form['timer_field'] = array (
|
| 452 |
'#type' => 'select',
|
| 453 |
'#title' => 'Timer field',
|
| 454 |
'#default_value' => $edit['timer_field'],
|
| 455 |
'#options' => $options,
|
| 456 |
'#required' => TRUE,
|
| 457 |
'#description' => t('Select the CCK Timer field you would like to reset to 0. Note that the workflow must only be associated with the node type selected above.'),
|
| 458 |
);
|
| 459 |
return $form;
|
| 460 |
|
| 461 |
// validate the HTML form
|
| 462 |
case 'validate':
|
| 463 |
$errors = array();
|
| 464 |
foreach ($errors as $name => $message) {
|
| 465 |
form_set_error($name, $message);
|
| 466 |
}
|
| 467 |
return count($errors) == 0;
|
| 468 |
|
| 469 |
// process the HTML form to store configuration
|
| 470 |
case 'submit':
|
| 471 |
$params = array('timer_field' => $edit['timer_field']);
|
| 472 |
return $params;
|
| 473 |
}
|
| 474 |
}
|
| 475 |
|
| 476 |
//============= INTERNAL FUNCTIONS ==================================
|
| 477 |
|
| 478 |
function _timer_start(&$node, $timer_field) {
|
| 479 |
if (!(int)$node->nid) return false;
|
| 480 |
$time = time();
|
| 481 |
$timer_node = &$node->$timer_field;
|
| 482 |
$timer_start = ($timer_node[0]['timer_start'] > 0) ? $timer_node[0]['timer_start'] : $time;
|
| 483 |
$timer_stop = ($timer_node[0]['timer_stop'] > 0) ? $timer_node[0]['timer_stop'] : $time;
|
| 484 |
$timer_node[0]['timer_start'] = $time;
|
| 485 |
$timer_node[0]['timer_stop'] = 0;
|
| 486 |
$timer_node[0]['timer_elapsed'] += $timer_stop - $timer_start;
|
| 487 |
$node->revision = '0';
|
| 488 |
node_save($node);
|
| 489 |
watchdog('content', t('@type: started timer field %timer_field on %title.', array('@type' => t($node->type), '%timer_field' => $timer_field, '%title' => $node->title)), WATCHDOG_NOTICE, l(t('view'), 'node/'. $node->nid));
|
| 490 |
return true;
|
| 491 |
}
|
| 492 |
|
| 493 |
function _timer_stop(&$node, $timer_field) {
|
| 494 |
if (!(int)$node->nid) return false;
|
| 495 |
$timer_node = &$node->$timer_field;
|
| 496 |
if ($timer_node[0]['timer_stop'] == 0) {
|
| 497 |
$timer_node[0]['timer_stop'] = time();
|
| 498 |
$node->revision = '0';
|
| 499 |
node_save($node);
|
| 500 |
watchdog('content', t('@type: stopped timer field %timer_field on %title.', array('@type' => t($node->type), '%timer_field' => $timer_field, '%title' => $node->title)), WATCHDOG_NOTICE, l(t('view'), 'node/'. $node->nid));
|
| 501 |
return true;
|
| 502 |
}
|
| 503 |
return false;
|
| 504 |
}
|
| 505 |
|
| 506 |
function _timer_reset(&$node, $timer_field) {
|
| 507 |
if (!(int)$node->nid) return false;
|
| 508 |
$timer_node = &$node->$timer_field;
|
| 509 |
$timer_node[0]['timer_start'] = 0;
|
| 510 |
$timer_node[0]['timer_stop'] = 0;
|
| 511 |
$timer_node[0]['timer_elapsed'] = 0;
|
| 512 |
$node->revision = '0';
|
| 513 |
node_save($node);
|
| 514 |
watchdog('content', t('@type: reset timer field %timer_field on %title.', array('@type' => t($node->type), '%timer_field' => $timer_field, '%title' => $node->title)), WATCHDOG_NOTICE, l(t('view'), 'node/'. $node->nid));
|
| 515 |
return true;
|
| 516 |
}
|
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