manuelcillero/suitedesk
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Now all modules are in core modules folder

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Manuel Cillero 2017-08-08 12:14:45 +02:00
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15th May 2007
----------------------------------------------------------------
* Added a longtext option when storing to database, and fixed validation when
data type is text or longtext as per http://drupal.org/node/141340
* Added callbacks to hook_field_settings as per http://drupal.org/node/87619
28th November 2006
----------------------------------------------------------------
* Deleted license in favour of LICENSE.txt
27th November 2006
----------------------------------------------------------------
* Updated to work with 5.0 cvs. Thanks bdragon.
29th September 2006
----------------------------------------------------------------
* Fixed validation of data length
* Made non-stored computed fields compute on load, rather than view.
15th September 2006
----------------------------------------------------------------
* Made default output the raw text, rather than running check_markup over it
12th September 2006
----------------------------------------------------------------
* Moved code, display, and display format from widget to field
* Added hook_field_formatter_info and hook_field_formatter, and filters op in
hook_field to work properly with new views
17th August 2006
----------------------------------------------------------------
* Changed computed_field_field_view_item to computed_field_view_item so that
it works with views
11th August 2006
----------------------------------------------------------------
* Changed display format so that you can enter arbitrary code to display the
field
* Made display format code run even when there isn't any computed code
* Stored fields are now computed at insert time, rather than submit time. This
means that other fields will have more useful values, since they have
already been processed by their widgets.
7th August 2006
----------------------------------------------------------------
* Made $node editable by computed code
3rd August 2006
----------------------------------------------------------------
* Removed a call to check_plain which was more annoying than useful.
* Changed the field to be computed on submit so that the value can be stored
in the database. A consequence of this is that it won't work on preview, but
at least now it is only computed once (per submit).
* Made computed fields visible in views
* Changed the value you need to set in your code from $node_field['value'] to
$node_field[0]['value] so that multiple values can be used.
21st July 2006
----------------------------------------------------------------
* Initial Release

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GNU GENERAL PUBLIC LICENSE
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Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
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------------------The Computed Field Drupal Module----------------------------
Computed Field is a cck module which lets you add a computed field to custom
content types. You can choose whether to store your computed field in the
database. You can also choose whether to display the field, and how to format
it. The value of the field is set using php code, so it can draw on anything
available to drupal, including other fields, the current user, database
tables, etc. The drawback of this is of course that you need to know some php
to use it.
Computed Field requires the content module (cck).
-------------------------Update-------------------------------
As of 2006-8-11 the 'display format' setting has changed. You'll need to
update any existing computed fields: If your display format was 'This is the
value: %value', then change it to '$display = "This is the value: " .
$node_field_item['value'];'
-------------------------Usage--------------------------------
----------Getting Started-----------------------------------
Before you can use Computed Field, you'll need to get CCK and enable (at the
very least) the 'content' module. You will probably also want to enable the
other cck modules, such as 'text', 'number', 'date', etc.
To add a computed field to a content type, go to administer > content >
content types, select the content type you want to add to, and click on the
'add field' tab. One of the field types available should be 'Computed', and it
should have one bullet point under it, also labelled 'Computed'. If you select
this, give your field a name, and submit the form, you will get to the
configuration page for your new computed field.
--------Configuration---------------------------------------
A Computed Field can be configured with the usual cck field options, as well
as the following extra options:
Computed Code -- This is the code that will assign a value to your computed
field. It should be valid php without the <?php ?> tags.
Display Format -- This is also php code which should assign a string to the
$display variable. It has '$node_field_item['value']' available, which is the
value of the computed field. It also has '$field' available, and you can call
any drupal functions you want to display your field.
Store using the database settings below -- If this is checked then the field
is computed on node save and stored. If it isn't stored then it will be
recomputed every time you view a node containing this field.
Database Storage Settings
Data Type -- This is the sql data type to use to store the field. Let us
know if you need any other storage types, or if you would like an 'other'
option :).
Data Length (varchar/text) -- The length of the field in the database. For
storing usernames or other short text with a varchar field, 32 may be
appropriate. Only valid for varchar or text fields.
Data Size (int/float) -- The size of the field stored in the database.
Only valid for int or float fields.
Data Precision (decimal) -- The total number of digits to store in the
database, including those to the right of the decimal. Only valid for
decimal fields.
Data Scale (decimal) -- The number of digits to the right of the decimal.
Only valid for decimal fields.
Default Value -- Leave this blank if you don't want the database to store
a default value if your computed field's value isn't set.
Not NULL -- Leave unchecked if you want to allow NULL values in the
database field.
Sortable -- Used in Views to allow sorting a column of this field.
--------Examples------------------------------------------
Here are some usage examples to get you started with Computed
Field.
-----Make a node link to itself-----------------
This example isn't very useful, but it demonstrates how to get
hold of the nid.
In your computed field's configuration:
- Computed Code:
// store the nid in our computed field
$node_field[0]['value'] = $node->nid;
- Check 'Display this field'
- Display Format:
$display = l('A link to this node', 'node/'.$node_field_item['value']);
- Uncheck 'Store using the database settings below'. You could store this if
you wanted to, but it's not costly to compute this field and is already
stored in the node table. One reason why you may want to store it is if you
want the value available to Views.
When you display a node of the content type containing this field it should
now have a link to itself.
-----Adding two other fields----------------------
Imagine you have two existing number fields, called field_product_price and
field_postage_price. You want to create a computed field field_total_cost
which adds these two fields. Create a new computed field with the name 'Total
Cost', and in your computed field's configuration set the following:
- Computed Code:
$node_field[0]['value'] =
$node->field_product_price[0]['value'] +
$node->field_postage_price[0]['value'];
- Check 'Display this field'
- Display Format:
$display = '$' . $node_field_item['value'];
- Check 'Store using the database settings below'
- Data Type: decimal
- Decimal Precision: 10
- Decimal Scale: 2
- Default Value: 0.00
- Check 'Not NULL'
- Check 'Sortable'
-----Calculating a Duration given a start and end time-----
This example uses KarenS' date module (http://drupal.org/project/date) to
create two date fields field_start_time and field_end_time which record hours
and minutes. We then create a new computed field to work out the duration as a
decimal number of hours (so 1.5 is 1hour, 30minutes).
Computed field settings:
- Computed Code:
$start = $node->field_start_time[0]['value'];
$end = $node->field_end_time[0]['value'];
$start_decimal = $start['hours'] + ($start['minutes'] / 60);
$end_decimal = $end['hours'] + ($end['minutes'] / 60);
$node_field[0]['value'] = $end_decimal - $start_decimal;
- Check 'Display this field'</li>
- Display Format:</b><code>
$display = $node_field_item['value'] . " hours";
- Check 'Store using the database settings below
- Data Type:</b> float
- Data Size:</b> normal
- Check 'Sortable'
Now if you set the start time field to 9am and the end time to 11:30am, your
computed field will store the value '2.5' and display '2.5 hours'.
-----Send more examples!---------------------------------
If you have another useful (or instructive) example send it to me
(http://drupal.org/user/59132/contact) and I'll add it here for the benefit of
humankind.
-----------------------About Computed Field-----------------------------------
Computed Field was created by Agileware (http://www.agileware.net).

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name = Computed Field
description = Allows the user to define computed values in custom content types.
core = 6.x
dependencies[] = content
package = CCK
; Information added by drupal.org packaging script on 2012-02-15
version = "6.x-1.0"
core = "6.x"
project = "computed_field"
datestamp = "1329309341"

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<?php
/**
* Implementation of hook_install().
*/
function computed_field_install() {
drupal_load('module', 'content');
content_notify('install', 'computed_field');
}
/**
* Implementation of hook_uninstall().
*/
function computed_field_uninstall() {
drupal_load('module', 'content');
content_notify('uninstall', 'computed_field');
}
/**
* Implementation of hook_enable().
*/
function computed_field_enable() {
drupal_load('module', 'content');
content_notify('enable', 'computed_field');
}
/**
* Implementation of hook_disable().
*/
function computed_field_disable() {
drupal_load('module', 'content');
content_notify('disable', 'computed_field');
}

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<?php
/**
* Implementation of cck hook_field_info()
*/
function computed_field_field_info() {
return array(
'computed' => array(
'label' => t('Computed'),
'description' => t('Create field data via PHP code.'),
'callbacks' => array(
'tables' => CONTENT_CALLBACK_DEFAULT,
'arguments' => CONTENT_CALLBACK_DEFAULT,
),
),
);
}
/**
* Implementation of cck hook_field_settings()
*/
function computed_field_field_settings($op, $field) {
switch ($op) {
case 'form':
$form = array();
$compute_func = 'computed_field_'. $field['field_name'] .'_compute';
$display_func = 'computed_field_'. $field['field_name'] .'_display';
// these next 3 have been moved from widget to field, so they copy default values from widget
$form['code'] = array(
'#type' => 'textarea',
'#rows' => 15,
'#title' => t('Computed Code'),
'#description' => '<p>'. t('The variables available to your code are: ') .'<code>&amp;$node, $field, and &amp;$node_field</code>'. t('. To set the value of the field, set ') .'<code>$node_field[0][\'value\']</code>.'. '</p><p>'. t('Here\'s a simple example which sets the computed field\'s value to the value of the sum of the number fields field_a and field_b: ') .'<code>$node_field[0][\'value\'] = $node->field_a[0][\'value\'] + $node->field_b[0][\'value\'];</code>. '. '</p><p>'. t('Alternately, this code can be supplied by your own custom function named @compute_func($node, $field, $node_field). Any code entered above will be ignored if the function is defined.', array('@compute_func' => $compute_func)) .'</p>',
'#default_value' => !empty($field['code']) ? $field['code'] : '$node_field[0][\'value\'] = "";',
'#access' => !function_exists($compute_func),
);
if (function_exists($compute_func)) {
$form['compute_func'] = array(
'#type' => 'item',
'#value' => t('This field is computed using @compute_func().', array('@compute_func' => $compute_func)),
);
}
$form['display_format'] = array(
'#type' => 'textarea',
'#title' => t('Display Format'),
'#description' => '<p>' . t('This code should assign a string to the $display variable, which will be printed as the value of the field.') . '</p><p>'. t('The stored value of the field is in $node_field_item[\'value\']. The node is available at $node') .'</p><p>'. t('Note: this code has no effect if you use the "Computed Value" formatter option.') .'</p><p>'. t('Alternately, this code can be supplied by your own custom function named @display_func($field, $element, $node). Any code entered above will be ignored if the function is defined.', array('@display_func' => $display_func)) .'</p>' ,
'#default_value' => !empty($field['display_format']) ? $field['display_format'] : '$display = $node_field_item[\'value\'];',
'#access' => !function_exists($display_func),
);
if (function_exists($display_func)) {
$form['display_func'] = array(
'#type' => 'item',
'#value' => t('This field is computed using @display_func().', array('@display_func' => $display_func)),
);
}
$form['store'] = array(
'#type' => 'checkbox',
'#title' => t('Store using the database settings below (required for Views use)'),
'#default_value' => is_numeric($field['store']) ? $field['store'] : 1 ,
);
$form['database'] = array('#type' => 'fieldset', '#title' => t('Database Storage Settings'));
$form['database']['data_type'] = array(
'#type' => 'radios',
'#title' => t('Data Type'),
'#description' => t('The SQL datatype to store this field in.'),
'#default_value' => !empty($field['data_type']) ? $field['data_type'] : 'varchar',
'#options' => array('varchar' => 'varchar', 'text' => 'text', 'longtext' => 'longtext', 'int' => 'int', 'float' => 'float', 'numeric' => 'decimal'),
'#required' => FALSE,
);
$form['database']['data_length'] = array(
'#type' => 'textfield',
'#title' => t('Data Length (varchar/text only)'),
'#description' => t('<strong>Only</strong> valid for <strong>varchar</strong> or <strong>text</strong> fields. The length of the field stored in the database.'),
'#default_value' => !empty($field['data_length']) ? $field['data_length'] : NULL,
'#required' => FALSE,
);
$form['database']['data_size'] = array(
'#type' => 'select',
'#title' => t('Data Size (int/float)'),
'#description' => t('<strong>Only</strong> valid for <strong>int</strong> or <strong>float</strong> fields. The size of the field stored in the database.'),
'#default_value' => !empty($field['data_size']) ? $field['data_size'] : 'normal',
'#options' => array('tiny' => 'tiny', 'small' => 'small', 'medium' => 'medium', 'normal' => 'normal', 'big' => 'big'),
'#required' => FALSE,
);
$form['database']['data_precision'] = array(
'#type' => 'select',
'#title' => t('Decimal Precision (decimal)'),
'#description' => t('<strong>Only</strong> valid for <strong>decimal</strong> fields. The total number of digits to store in the database, including those to the right of the decimal.'),
'#options' => drupal_map_assoc(range(10, 32)),
'#default_value' => !empty($field['data_precision']) ? $field['data_precision'] : 10,
'#required' => FALSE,
);
$form['database']['data_scale'] = array(
'#type' => 'select',
'#title' => t('Decimal Scale (decimal)'),
'#description' => t('<strong>Only</strong> valid for <strong>decimal</strong> fields. The number of digits to the right of the decimal. '),
'#options' => drupal_map_assoc(range(0, 10)),
'#default_value' => !empty($field['data_scale']) ? $field['data_scale'] : 2,
'#required' => FALSE,
);
$form['database']['data_default'] = array(
'#type' => 'textfield',
'#title' => t('Default Value'),
'#default_value' => $field['data_default'],
'#required' => FALSE,
);
$form['database']['data_not_NULL'] = array(
'#type' => 'checkbox',
'#title' => t('Not NULL'),
'#default_value' => is_numeric($field['data_not_NULL']) ? $field['data_not_NULL'] : FALSE,
);
$form['database']['data_sortable'] = array(
'#type' => 'checkbox',
'#title' => t('Sortable in Views'),
'#default_value' => is_numeric($field['data_sortable']) ? $field['data_sortable'] : TRUE,
);
return $form;
case 'validate':
if ($field['store']) {
if (empty($field['data_type'])) {
form_set_error('data_type', t('To store this field in the database, please specify a data type.'));
}
if (($field['data_type'] == 'text' || $field['data_type'] == 'varchar') && empty($field['data_length'])) {
form_set_error('data_length', t('To store this field in the database, please specify the data length.'));
}
}
break;
case 'save':
return array('code', 'display_format', 'store', 'data_type', 'data_length', 'data_size', 'data_precision', 'data_scale', 'data_not_NULL', 'data_default', 'data_sortable');
case 'database columns':
if (!is_numeric($field['store'])) {
// Initial field creation! - CCK initially creates the field in the DB before the user is given a chance to configure it.
// Thus we don't know any of the field's data settings for this initial creation. Yet, if we don't set something, CCK will
// return SQL errors when trying to "migrate" the data column after configuration (in several senarios). So, we'll
// give CCK our most basic "default" data column to work with. After the user configures the field, it will be updated by
// CCK to match their chosen field data settings.
$columns = array(
'value' => array(
'type' => 'varchar',
'length' => '32',
),
);
}
elseif ($field['store']) {
// User has decided to store values in the DB, so we'll gather up information on their chosen data type.
$columns = array('value' => array());
if ($field['data_type'] == 'longtext') {
$columns['value']['type'] = 'text';
$columns['value']['size'] = 'big';
}
else {
$columns['value']['type'] = isset($field['data_type']) ? $field['data_type'] : 'varchar';
}
// 'text' and 'varchar' fields get length settings
if ($field['data_type'] == 'text' || $field['data_type'] == 'varchar') {
$columns['value']['length'] = isset($field['data_length']) ? $field['data_length'] : 32;
}
// 'int' and 'float' fields get size settings
if ($field['data_type'] == 'int' || $field['data_type'] == 'float') {
$columns['value']['size'] = isset($field['data_size']) ? $field['data_size'] : 'normal';
}
// 'decimal' fields get precision and scale settings
if ($field['data_type'] == 'numeric') {
$columns['value']['precision'] = isset($field['data_precision']) ? $field['data_precision'] : 10;
$columns['value']['scale'] = isset($field['data_scale']) ? $field['data_scale'] : 2;
}
// Add 'not null' settings
$columns['value']['not null'] = isset($field['data_not_NULL']) ? $field['data_not_NULL'] : TRUE;
// Allow Views sorting if set
$columns['value']['sortable'] = isset($field['data_sortable']) ? $field['data_sortable'] : FALSE;
// Add default values if set
if ($field['data_default'] != '') {
$columns['value']['default'] = $field['data_default'];
}
}
else {
// User has chosen NOT to store values in the DB for their field, yet CCK is NOT comfortable having a field without a data
// column. Without a column, SQL errors will pop up on multi-value fields and other field modification senarios. (Such as the
// user later choosing to store the field in the DB.) To avoid SQL errors we'll create a small dummy field for CCK that is
// never populated with data.
$columns = array(
'value' => array(
'type' => 'int',
'size' => 'tiny',
),
);
}
return $columns;
case 'filters':
return array(
'default' => array(
'name' => t('Default'),
'operator' => 'views_handler_operator_gtlt',
),
);
case 'callbacks':
return array(
'view' => CONTENT_CALLBACK_CUSTOM,
);
case 'views data':
$allowed_values = content_allowed_values($field);
if (count($allowed_values)) {
$data = content_views_field_views_data($field);
$db_info = content_database_info($field);
$table_alias = content_views_tablename($field);
// Swap the filter handler to the 'in' operator.
$data[$table_alias][$field['field_name'] .'_value']['filter']['handler'] = 'content_handler_filter_many_to_one';
return $data;
}
}
}
function _computed_field_compute_value(&$node, $field, &$node_field) {
// Allow the value to be computed from code not stored in DB
$compute_func = 'computed_field_'. $field['field_name'] .'_compute';
if (function_exists($compute_func)) {
$compute_func($node, $field, $node_field);
}
else {
if (isset($field['code'])) {
eval($field['code']);
}
}
}
/**
* Implementation of cck hook_field()
*/
function computed_field_field($op, &$node, $field, &$node_field, $teaser, $page) {
switch ($op) {
case 'load':
// compute field on load if it isn't stored in the database
if (!$field['store']) {
_computed_field_compute_value($node, $field, $node_field);
return array($field['field_name'] => $node_field);
}
break;
case 'sanitize':
// compute field for node previews
if ($node->build_mode == NODE_BUILD_PREVIEW) {
_computed_field_compute_value($node, $field, $node_field);
}
break;
case 'view':
$items = array();
foreach ($node_field as $delta => $item) {
$items[$delta]['view'] = content_format($field, $item, 'default', $node);
}
return theme('field', $node, $field, $items, $teaser, $page);
break;
case 'validate':
break;
case 'insert':
case 'update':
_computed_field_compute_value($node, $field, $node_field);
break;
}
}
/**
* Implementation of cck hook_widget_info()
*/
function computed_field_widget_info() {
return array(
'computed' => array(
'label' => t('Computed'),
'field types' => array('computed'),
'multiple values' => CONTENT_HANDLE_MODULE,
),
);
}
/**
* Implementation of cck hook_widget()
*/
function computed_field_widget(&$form, &$form_state, $field, $items, $delta = 0) {
$elements = array();
foreach($items as $delta => $item) {
$elements[$delta]['value'] = array (
'#type' => 'value',
'#tree' => TRUE,
'#default_value' => isset($item['value']) ? $item['value'] : NULL,
);
}
return $elements;
}
/**
* Implementation of cck hook_view_item (obsolete, retained for backward compatibility with older cck)
*/
function computed_field_view_item($field, $node_field_item, $node = NULL) {
global $base_url;
$display = '';
eval($field['display_format']);
return $display;
}
/**
* Implementation of hook_theme()
*/
function computed_field_theme() {
return array(
'computed_field_formatter_default' => array(
'arguments' => array('element' => NULL),
),
'computed_field_formatter_plain' => array(
'arguments' => array('element' => NULL),
),
'computed_field_formatter_markup' => array(
'arguments' => array('element' => NULL),
),
'computed_field_formatter_computed_value' => array(
'arguments' => array('element' => NULL),
),
);
}
/**
* Implementation of cck hook_field_formatter_info()
*/
function computed_field_field_formatter_info() {
return array(
'default' => array(
'label' => t('Raw text'),
'field types' => array('computed'),
),
'plain' => array(
'label' => t('Plain text'),
'field types' => array('computed'),
),
'markup' => array(
'label' => t('Markup'),
'field types' => array('computed'),
),
'computed_value' => array(
'label' => t('Computed Value'),
'field types' => array('computed'),
),
);
}
/**
* Theme function for 'default' text field formatter.
*/
function theme_computed_field_formatter_default($element) {
// Make $node easily available
$node = $element['#node'];
// Grab the field
$field = content_fields($element['#field_name']);
// For "some" backwards compatibility
$node_field_item['value'] = $element['#item']['value'];
// Allow the value to be formated from code not stored in DB
$display_func = 'computed_field_'. $field['field_name'] .'_display';
if (function_exists($display_func)) {
$display = $display_func($field, $element, $node);
}
else {
eval($field['display_format']);
}
return $display;
}
/**
* Theme function for 'plain' text field formatter.
*/
function theme_computed_field_formatter_plain($element) {
// Make $node easily available
$node = $element['#node'];
// Grab the field
$field = content_fields($element['#field_name']);
// For "some" backwards compatibility
$node_field_item['value'] = $element['#item']['value'];
// Allow the value to be formated from code not stored in DB
$display_func = 'computed_field_'. $field['field_name'] .'_display';
if (function_exists($display_func)) {
$display = $display_func($field, $element);
}
else {
eval($field['display_format']);
}
return check_plain($display);
}
/**
* Theme function for 'markup' text field formatter.
*/
function theme_computed_field_formatter_markup($element) {
// Make $node easily available
$node = $element['#node'];
// Grab the field
$field = content_fields($element['#field_name']);
// For "some" backwards compatibility
$node_field_item['value'] = $element['#item']['value'];
// Allow the value to be formated from code not stored in DB
$display_func = 'computed_field_'. $field['field_name'] .'_display';
if (function_exists($display_func)) {
$display = $display_func($field, $element);
}
else {
eval($field['display_format']);
}
return check_markup($display);
}
/**
* Theme function for 'computed_value' text field formatter.
*/
function theme_computed_field_formatter_computed_value($element) {
return $element['#item']['value'];
}
/**
* Implementation of cck hook_content_is_empty().
*/
function computed_field_content_is_empty($item, $field) {
if ($field['data_type'] == 'int' || $field['data_type'] == 'float') {
return !is_numeric($item['value']);
}
return empty($item['value']);
}
/**
* Implementation of hook_token_list()
*/
function computed_field_token_list($type = 'all') {
if ($type == 'field' || $type == 'all') {
$tokens = array();
$tokens['computed_field']['raw'] = t("Raw, unfiltered text.");
$tokens['computed_field']['formatted'] = t("Formatted and filtered text.");
return $tokens;
}
}
/**
* Implementation of hook_token_values()
*/
function computed_field_token_values($type, $object = NULL, $options = array()) {
if ($type == 'field') {
$item = $object[0];
$tokens['raw'] = $item['value'];
$tokens['formatted'] = $item['view'];
return $tokens;
}
}
/**
* Implementation of hook_content_multigroup_allowed_widgets().
*/
function computed_field_content_multigroup_allowed_widgets() {
return array('computed');
}
/**
+ * Implementation of hook_content_multigroup_no_remove_widgets().
+ */
function computed_field_content_multigroup_no_remove_widgets() {
return array('computed');
}