silverstripe-framework/forms/TableListField.php
Ingo Schommer 9a36047021 converted TODO into @todo for better PHPDocumentor support
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@47884 467b73ca-7a2a-4603-9d3b-597d59a354a9
2008-01-11 01:49:50 +00:00

1151 lines
32 KiB
PHP
Executable File

<?php
/**
* @package forms
* @subpackage fields-relational
*/
/**
* Form field that embeds a list into a form, such as a member list or a file list.
*
* All get variables are namespaced in the format ctf[MyFieldName][MyParameter] to avoid collisions
* when multiple TableListFields are present in a form.
*
* @param $name string The fieldname
* @param $sourceClass string The source class of this field
* @param $fieldList array An array of field headings of Fieldname => Heading Text (eg. heading1)
* @param $sourceFilter string The filter field you wish to limit the objects by (eg. parentID)
* @param $sourceSort string
* @param $sourceJoin string
* @package forms
* @subpackage fields-relational
*/
class TableListField extends FormField {
/**
* @var $cachedSourceItems DataObjectSet Prevent {@sourceItems()} from being called multiple times.
*/
protected $cachedSourceItems;
protected $sourceClass;
protected $sourceFilter = array();
protected $sourceSort = "";
protected $sourceJoin = array();
protected $fieldList;
/**
* @var $fieldListCsv array
*/
protected $fieldListCsv;
/**
* @var $clickAction
*/
protected $clickAction;
/**
* @var bool
*/
public $IsReadOnly;
/**
* Called method (needs to be retained for AddMode())
*/
protected $methodName;
/**
* @var $summaryFieldList array Shows a row which summarizes the contents of a column by a predefined
* Javascript-function
*/
protected $summaryFieldList;
/**
* @var $summaryTitle string The title which will be shown in the first column of the summary-row.
* Accordingly, the first column can't be used for summarizing.
*/
protected $summaryTitle;
/**
* @var $template string Template-Overrides
*/
protected $template = "TableListField";
/**
* @var bool Do we use checkboxes to mark records, or delete them one by one?
*/
public $Markable;
/**
* @var $readOnly boolean Deprecated, please use $permssions instead
*/
protected $readOnly;
/**
* @var $permissions array Influence output without having to subclass the template.
*/
protected $permissions = array(
//"print",
//"export",
"delete"
);
/**
* @var $customQuery Specify custom query, e.g. for complicated having/groupby-constructs.
* Caution: TableListField automatically selects the ID from the {@sourceClass}, because it relies
* on this information e.g. in saving a TableField. Please use a custom select if you want to filter
* for other IDs in joined tables: $query->select[] = "MyJoinedTable.ID AS MyJoinedTableID"
*/
protected $customQuery;
/**
* @var $customCsvQuery Query for CSV-export (might need different fields or further filtering)
*/
protected $customCsvQuery;
/**
* @var $customSourceItems DataObjectSet Use the manual setting of a result-set only as a last-resort
* for sets which can't be resolved in a single query.
*
* @todo: Add pagination support for customSourceItems.
*/
protected $customSourceItems;
/**
* Character to seperate exported columns in the CSV file
*/
protected $csvSeparator = ",";
/*
* Boolean deciding whether to include a header row in the CSV file
*/
protected $csvHasHeader = true;
/**
* @var int Shows total count regardless or pagination
*/
protected $totalCount;
/**
* @var boolean Trigger pagination
*/
protected $showPagination = false;
/**
* @var int Number of items to show on a single page (needed for pagination)
*/
protected $pageSize = 10;
/**
* @var array Definitions for highlighting table-rows with a specific class. You can use all column-names
* in the result of a query. Use in combination with {@setCustomQuery} to select custom properties and joined objects.
*
* Example:
* array(
* array(
* "rule" => '$Flag == "red"',
* "class" => "red"
* ),
* array(
* "rule" => '$Flag == "orange"',
* "class" => "orange"
* )
* )
*/
public $highlightConditions = array();
/**
* @var array Specify castings with fieldname as the key, and the desired casting as value.
* Example: array("MyCustomDate"=>"Date","MyShortText"=>"Text->FirstSentence")
*/
public $fieldCasting = array();
/**
* @var array Specify custom formatting for fields, e.g. to render a link instead of pure text.
* Caution: Make sure to escape special php-characters like in a normal php-statement.
* Example: "myFieldName" => '<a href=\"custom-admin/$ID\">$ID</a>'
*/
public $fieldFormatting = array();
/**
* @var string
*/
public $exportButtonLabel = 'Export as CSV';
/**
* @var string $groupByField Used to group by a specific column in the DataObject
* and create partial summaries.
*/
public $groupByField = null;
function __construct($name, $sourceClass, $fieldList, $sourceFilter = null,
$sourceSort = null, $sourceJoin = null) {
$this->fieldList = $fieldList;
$this->sourceClass = $sourceClass;
$this->sourceFilter = $sourceFilter;
$this->sourceSort = $sourceSort;
$this->sourceJoin = $sourceJoin;
$this->readOnly = false;
parent::__construct($name);
Requirements::javascript('jsparty/prototype.js');
Requirements::javascript('jsparty/behaviour.js');
Requirements::javascript('jsparty/prototype_improvements.js');
Requirements::javascript('jsparty/scriptaculous/effects.js');
Requirements::javascript('sapphire/javascript/TableListField.js');
Requirements::css('sapphire/css/TableListField.css');
}
function FieldHolder() {
if($this->clickAction) {
$id = $this->id();
Requirements::customScript(<<<JS
Behaviour.register({
'#$id tr' : {
onclick : function() {
$this->clickAction
return false;
}
}
});
JS
);}
return $this->renderWith($this->template);
}
function Headings() {
foreach($this->fieldList as $fieldName => $fieldTitle) {
$isSorted = (isset($_REQUEST['ctf'][$this->Name()]['sort']) && $fieldName == $_REQUEST['ctf'][$this->Name()]['sort']);
// we can't allow sorting with partial summaries (groupByField)
$isSortable = ($this->form && $this->isFieldSortable($fieldName) && !$this->groupByField);
// sorting links (only if we have a form to refresh with)
if($this->form) {
$sortLink = $this->BaseLink();
$sortLink = HTTP::setGetVar("ctf[{$this->Name()}][sort]", $fieldName, $sortLink);
if(isset($_REQUEST['ctf'][$this->Name()]['dir'])) {
$XML_sort = (isset($_REQUEST['ctf'][$this->Name()]['dir'])) ? Convert::raw2xml($_REQUEST['ctf'][$this->Name()]['dir']) : null;
$sortLink = HTTP::setGetVar("ctf[{$this->Name()}][dir]", $XML_sort, $sortLink);
}
} else {
$sortLink = '#';
}
$headings[] = new ArrayData(array(
"Name" => $fieldName,
"Title" => $fieldTitle,
"IsSortable" => $isSortable,
"SortLink" => $sortLink,
"SortBy" => $isSorted,
"SortDirection" => (isset($_REQUEST['ctf'][$this->Name()]['dir'])) ? $_REQUEST['ctf'][$this->Name()]['dir'] : null
));
}
return new DataObjectSet($headings);
}
/**
* Determines if a field is "sortable".
* If the field is generated by a custom getter, we can't sort on it
* without generating all objects first (which would be a huge performance impact).
*
* @param string $fieldName
* @return bool
*/
function isFieldSortable($fieldName) {
if($this->customSourceItems) {
return false;
}
if($this->__cachedSQL) {
$query = $this->__cachedQuery;
} else {
$query = $this->__cachedQuery = $this->getQuery();
}
$sql = $query->sql();
$SQL_fieldName = Convert::raw2sql($fieldName);
return (in_array($SQL_fieldName,$query->select) || stripos($sql,"AS {$SQL_fieldName}"));
}
/**
* Provide a custom query to compute sourceItems. This is the preferred way to using
* {@setSourceItems}, because we can still paginate.
* Caution: Other parameters such as {@sourceFilter} will be ignored.
* Please use this only as a fallback for really complex queries (e.g. involving HAVING and GROUPBY).
*
* @param $query Query
*/
function setCustomQuery($query) {
$this->customQuery = $query;
}
function setCustomCsvQuery($query) {
$this->customCsvQuery = $query;
}
function setCustomSourceItems($items) {
$this->customSourceItems = $items;
}
function sourceItems() {
$SQL_limit = ($this->pageSize) ? "{$this->pageSize}" : "0";
if(is_numeric($_REQUEST['ctf'][$this->Name()]['start'])) {
$SQL_start = (isset($_REQUEST['ctf'][$this->Name()]['start'])) ? intval($_REQUEST['ctf'][$this->Name()]['start']) : "0";
}
if(isset($this->customSourceItems)) {
if($this->customSourceItems) {
$items = $this->customSourceItems->getRange($SQL_start, $SQL_limit);
} else {
$items = false;
}
} elseif(isset($this->cachedSourceItems)) {
$items = $this->cachedSourceItems;
} else {
// get query
$dataQuery = $this->getQuery();
// we don't limit when doing certain actions
if(!in_array($_REQUEST['methodName'],array('printall','export'))) {
$dataQuery->limit = $SQL_limit;
if(isset($SQL_start)) {
$dataQuery->limit .= " OFFSET {$SQL_start}";
}
}
// get data
$records = $dataQuery->execute();
$sourceClass = $this->sourceClass;
$dataobject = new $sourceClass();
$items = $dataobject->buildDataObjectSet($records, 'DataObjectSet');
$this->cachedSourceItems = $items;
}
return $items;
}
function Items() {
$fieldItems = new DataObjectSet();
if($items = $this->sourceItems()) foreach($items as $item) {
if($item) $fieldItems->push(new TableListField_Item($item, $this));
}
return $fieldItems;
}
/**
* Generates the query for sourceitems (without pagination/limit-clause)
*
* @return string
*/
function getQuery() {
if($this->customQuery) {
$query = $this->customQuery;
$baseClass = ClassInfo::baseDataClass($this->sourceClass);
$query->select[] = "{$baseClass}.ID AS ID";
$query->select[] = "{$baseClass}.ClassName AS ClassName";
$query->select[] = "{$baseClass}.ClassName AS RecordClassName";
} else {
$query = singleton($this->sourceClass)->extendedSQL($this->sourceFilter, $this->sourceSort, null, $this->sourceJoin);
// Add more selected fields if they are from joined table.
$SNG = singleton($this->sourceClass);
foreach($this->FieldList() as $k=>$title){
if(!$SNG->hasField($k) && !$SNG->hasMethod('get' . $k) && !strpos($k, "."))
$query->select[] = $k;
}
}
if(isset($_REQUEST['ctf'][$this->Name()]['sort'])) {
$SQL_sort = Convert::raw2sql($_REQUEST['ctf'][$this->Name()]['sort']);
$sql = $query->sql();
// see {isFieldSortable}
if(in_array($SQL_sort,$query->select) || stripos($sql,"AS {$SQL_sort}")) {
$query->orderby = $SQL_sort;
}
}
return clone $query;
}
function getCsvQuery() {
$baseClass = ClassInfo::baseDataClass($this->sourceClass);
if($this->customCsvQuery) {
$query = $this->customCsvQuery;
$query->select[] = "{$baseClass}.ID AS ID";
$query->select[] = "{$baseClass}.ClassName AS ClassName";
$query->select[] = "{$baseClass}.ClassName AS RecordClassName";
} else if($this->customQuery) {
$query = $this->customQuery;
$query->select[] = "{$baseClass}.ID AS ID";
$query->select[] = "{$baseClass}.ClassName AS ClassName";
$query->select[] = "{$baseClass}.ClassName AS RecordClassName";
} else {
$query = singleton($this->sourceClass)->extendedSQL($this->sourceFilter, $this->sourceSort, null, $this->sourceJoin);
// Add more selected fields if they are from joined table.
foreach($this->FieldList() as $k=>$title){
if(!singleton($this->sourceClass)->hasField($k))
$query->select[] = $k;
}
}
return clone $query;
}
function FieldList() {
return $this->fieldList;
}
/**
* Configure this table to load content into a subform via ajax
*/
function setClick_AjaxLoad($urlBase, $formID) {
$this->clickAction = "this.ajaxRequest('" . addslashes($urlBase) . "', '" . addslashes($formID) . "')";
}
/**
* Configure this table to open a popup window
*/
function setClick_PopupLoad($urlBase) {
$this->clickAction = "var w = window.open(baseHref() + '$urlBase' + this.id.replace('record-',''), 'popup'); w.focus();";
}
function performReadonlyTransformation() {
$this->setShowPagination(false);
$this->setPermissions(array());
$this->IsReadOnly = true;
$this->addExtraClass( 'readonly' );
return $this;
}
/**
* #################################
* CRUD
* #################################
*/
/**
* @return String
*/
function delete() {
if($this->Can('delete') !== true) {
return false;
}
$this->methodName = "delete";
$childId = Convert::raw2sql($_REQUEST['ctf']['childID']);
if (is_numeric($childId)) {
$childObject = DataObject::get_by_id($this->sourceClass, $childId);
if($childObject) $childObject->delete();
}
// TODO return status in JSON etc.
//return $this->renderWith($this->template);
}
/**
* #################################
* Summary-Row
* #################################
*/
/**
* Can utilize some built-in summary-functions, with optional casting.
* Currently supported:
* - sum
* - avg
*
* @param $summaryTitle string
* @param $summaryFields array
* Simple Format: array("MyFieldName"=>"sum")
* With Casting: array("MyFieldname"=>array("sum","Currency->Nice"))
*/
function addSummary($summaryTitle, $summaryFieldList) {
$this->summaryTitle = $summaryTitle;
$this->summaryFieldList = $summaryFieldList;
}
function removeSummary() {
$this->summaryTitle = null;
$this->summaryFields = null;
}
function HasSummary() {
return (isset($this->summaryFieldList));
}
function SummaryTitle() {
return $this->summaryTitle;
}
/**
* @param DataObjectSet $items Only used to pass grouped sourceItems for creating
* partial summaries.
*/
function SummaryFields($items = null) {
if(!isset($this->summaryFieldList)) {
return false;
}
$summaryFields = array();
$fieldListWithoutFirst = $this->fieldList;
if(!empty($this->summaryTitle)) {
array_shift($fieldListWithoutFirst);
}
foreach($fieldListWithoutFirst as $fieldName => $fieldTitle) {
if(in_array($fieldName, array_keys($this->summaryFieldList))) {
if(is_array($this->summaryFieldList[$fieldName])) {
$summaryFunction = "colFunction_{$this->summaryFieldList[$fieldName][0]}";
$casting = $this->summaryFieldList[$fieldName][1];
} else {
$summaryFunction = "colFunction_{$this->summaryFieldList[$fieldName]}";
$casting = null;
}
// fall back to integrated sourceitems if not passed
if(!$items) $items = $this->sourceItems();
$summaryValue = ($items) ? $this->$summaryFunction($items->column($fieldName)) : null;
// Optional casting, Format: array('MyFieldName'=>array('sum','Currency->Nice'))
if(isset($casting)) {
$fieldTypeParts = explode('->', $casting);
$castingFieldType = $fieldTypeParts[0];
$castingMethod = $fieldTypeParts[1];
$summaryValue = DBField::create($castingFieldType, $summaryValue)->$castingMethod();
}
} else {
$summaryValue = null;
$function = null;
}
$summaryFields[] = new ArrayData(array(
'Function' => $function,
'SummaryValue' => $summaryValue,
));
}
return new DataObjectSet($summaryFields);
}
function HasGroupedItems() {
return ($this->groupByField);
}
function GroupedItems() {
if(!$this->groupByField) {
return false;
}
$items = $this->sourceItems();
if(!$items || !$items->Count()) {
return false;
}
$groupedItems = $items->groupBy($this->groupByField);
$groupedArrItems = new DataObjectSet();
foreach($groupedItems as $key => $group) {
$fieldItems = new DataObjectSet();
foreach($group as $item) {
if($item) $fieldItems->push(new TableListField_Item($item, $this));
}
$groupedArrItems->push(new ArrayData(array(
'Items' => $fieldItems,
'SummaryFields' => $this->SummaryFields($group)
)));
}
return $groupedArrItems;
}
function colFunction_sum($values) {
return array_sum($values);
}
function colFunction_avg($values) {
return array_sum($values)/count($values);
}
/**
* #################################
* Permissions
* #################################
*/
/**
* Template accessor for Permissions
*/
function Can($mode) {
if($mode == 'add' && $this->IsReadOnly) {
return false;
} else if($mode == 'delete' && $this->IsReadOnly) {
return false;
} else if($mode == 'edit' && $this->IsReadOnly) {
return false;
} else {
return (in_array($mode, $this->permissions));
}
}
function setPermissions($arr) {
$this->permissions = $arr;
}
/**
* @return array
*/
function getPermissions($arr) {
return $this->permissions;
}
/**
* #################################
* Pagination
* #################################
*/
function setShowPagination($bool) {
$this->showPagination = (bool)$bool;
}
/**
* @return boolean
*/
function ShowPagination() {
if($this->showPagination && !empty($this->summaryFieldList)) {
user_error("You can't combine pagination and summaries - please disable one of them.", E_USER_ERROR);
}
return $this->showPagination;
}
function setPageSize($pageSize) {
$this->pageSize = $pageSize;
}
function PageSize() {
return $this->pageSize;
}
function ListStart() {
return $_REQUEST['ctf'][$this->Name()]['start'];
}
function FirstLink() {
$start = 0;
if(!isset($_REQUEST['ctf'][$this->Name()]['start']) || !is_numeric($_REQUEST['ctf'][$this->Name()]['start']) || $_REQUEST['ctf'][$this->Name()]['start'] == 0) {
return null;
}
return $this->BaseLink() . "&ctf[{$this->Name()}][start]={$start}{$this->filterString()}";
}
function PrevLink() {
$currentStart = isset($_REQUEST['ctf'][$this->Name()]['start']) ? $_REQUEST['ctf'][$this->Name()]['start'] : 0;
if($currentStart == 0) {
return null;
}
$start = ($_REQUEST['ctf'][$this->Name()]['start'] - $this->pageSize < 0) ? 0 : $_REQUEST['ctf'][$this->Name()]['start'] - $this->pageSize;
return $this->BaseLink() . "&ctf[{$this->Name()}][start]=$start{$this->filterString()}";
}
function NextLink() {
$currentStart = isset($_REQUEST['ctf'][$this->Name()]['start']) ? $_REQUEST['ctf'][$this->Name()]['start'] : 0;
$start = ($currentStart + $this->pageSize < $this->TotalCount()) ? $currentStart + $this->pageSize : $this->TotalCount() % $this->pageSize > 0;
if($currentStart >= $start-1) {
return null;
}
return $this->BaseLink() . "&ctf[{$this->Name()}][start]={$start}{$this->filterString()}";
}
function LastLink() {
$pageSize = ($this->TotalCount() % $this->pageSize > 0) ? $this->TotalCount() % $this->pageSize : $this->pageSize;
$start = $this->totalCount - $pageSize;
// Check if there is only one page, or if we are on last page
if($this->totalCount <= $pageSize || (isset($_REQUEST['ctf'][$this->Name()]['start']) && $_REQUEST['ctf'][$this->Name()]['start'] >= $start)) {
return null;
}
return $this->BaseLink() . "&ctf[{$this->Name()}][start]=$start{$this->filterString()}";
}
function FirstItem() {
return isset($_REQUEST['ctf'][$this->Name()]['start']) ? $_REQUEST['ctf'][$this->Name()]['start'] + 1 : 1;
}
function LastItem() {
if(isset($_REQUEST['ctf'][$this->Name()]['start'])) {
return $_REQUEST['ctf'][$this->Name()]['start'] + min($this->pageSize, $this->TotalCount() - $_REQUEST['ctf'][$this->Name()]['start']);
} else {
return min($this->pageSize, $this->TotalCount());
}
}
function TotalCount() {
if($this->totalCount) {
return $this->totalCount;
}
if($this->customSourceItems) {
return $this->customSourceItems->Count();
}
$countQuery = $this->getQuery();
$countQuery->orderby = array();
$baseClass = ClassInfo::baseDataClass($this->sourceClass);
// we can't clear the select if we're relying on its output by a HAVING clause
if(count($countQuery->having) || count($countQuery->groupby)) {
$records = $countQuery->execute();
// TODO figure out how to use COUNT and GROUBY together to produce a single rowcount
$this->totalCount = $records->numRecords();
} else {
$countQuery->select = array();
$countQuery->groupby = array();
$countQuery->select[] = "COUNT(DISTINCT {$baseClass}.ID) AS TotalCount";
$records = $countQuery->execute();
$record = $records->nextRecord();
$this->totalCount = $record['TotalCount'];
}
return $this->totalCount;
}
/**
* #################################
* Search
* #################################
*
* @todo Not fully implemented at the moment
*/
/**
* Compile all request-parameters for search and pagination
* (except the actual list-positions) as a query-string.
*
* @return String URL-parameters
*/
function filterString() {
}
/**
* #################################
* CSV Export
* #################################
*/
function setFieldListCsv($fields) {
$this->fieldListCsv = $fields;
}
/**
* Set the CSV separator character. Defaults to ,
*/
function setCsvSeparator($csvSeparator) {
$this->csvSeparator = $csvSeparator;
}
/**
* Remove the header row from the CSV export
*/
function removeCsvHeader() {
$this->csvHasHeader = false;
}
/**
* Exports a given set of comma-separated IDs (from a previous search-query, stored in a HiddenField).
* Uses {$csv_columns} if present, and falls back to {$result_columns}.
*
* @todo Make relation-syntax available (at the moment you'll have to use custom sql)
*/
function export() {
$now = Date("d-m-Y-H-i");
$fileName = "export-$now.csv";
$separator = $this->csvSeparator;
$csvColumns = ($this->fieldListCsv) ? $this->fieldListCsv : $this->fieldList;
$fileData = "";
if($this->csvHasHeader) {
$fileData .= "\"" . implode("\"{$separator}\"",array_values($csvColumns)) . "\"";
$fileData .= "\n";
}
// get data
$dataQuery = $this->getCsvQuery();
$records = $dataQuery->execute();
$sourceClass = $this->sourceClass;
$dataobject = new $sourceClass();
$items = $dataobject->buildDataObjectSet($records, 'DataObjectSet');
if($items) {
foreach($items as $item) {
$columnData = array();
foreach($csvColumns as $columnName => $columnTitle) {
$tmpColumnData = "\"" . str_replace("\"", "\"\"", $item->$columnName) . "\"";
$tmpColumnData = str_replace(array("\r", "\n"), "", $tmpColumnData);
$columnData[] = $tmpColumnData;
}
$fileData .= implode($separator, $columnData);
$fileData .= "\n";
}
HTTP::sendFileToBrowser($fileData, $fileName);
} else {
user_error("No records found", E_USER_ERROR);
}
}
/**
* We need to instanciate this button manually as a normal button has no means of adding inline onclick-behaviour.
*/
function ExportLink() {
return Director::absoluteURL($this->FormAction()) . "&action_callfieldmethod&fieldName={$this->Name()}&methodName=export";
}
function printall() {
Requirements::clear();
Requirements::css('cms/css/typography.css');
Requirements::css('cms/css/cms_right.css');
Requirements::css('sapphire/css/TableListField_print.css');
$vd = new ViewableData();
return $vd->customise(array(
'Content' => $this->customise(array(
'Print' => true
))->renderWith($this->template)
))->renderWith('TableListField_printable');
}
function PrintLink() {
$link = Director::absoluteURL($this->FormAction()) . "&action_callfieldmethod&fieldName={$this->Name()}&methodName=printall";
if(isset($_REQUEST['ctf'][$this->Name()]['sort'])) {
$link = HTTP::setGetVar("ctf[{$this->Name()}][sort]",Convert::raw2xml($_REQUEST['ctf'][$this->Name()]['sort']), $link);
}
return $link;
}
/**
* #################################
* Utilty
* #################################
*/
function Utility() {
$links = new DataObjectSet();
if($this->can('export')) {
$links->push(new ArrayData(array(
'Title' => _t('TableListField.CSVEXPORT', 'Export to CSV'),
'Link' => $this->ExportLink()
)));
}
if($this->can('print')) {
$links->push(new ArrayData(array(
'Title' => _t('TableListField.PRINT', 'Print'),
'Link' => $this->PrintLink()
)));
}
return $links;
}
function ajax_refresh() {
// compute sourceItems here instead of Items() to ensure that
// pagination and filters are respected on template accessors
//$this->sourceItems();
$response = $this->renderWith($this->template);
FormResponse::update_dom_id($this->id(), $response);
FormResponse::set_non_ajax_content($response);
return FormResponse::respond();
}
function setFieldCasting($casting) {
$this->fieldCasting = $casting;
}
function setFieldFormatting($formatting) {
$this->fieldFormatting = $formatting;
}
/**
* @return String
*/
function Name() {
return $this->name;
}
function Title() {
// adding translating functionality
// this is a bit complicated, because this parameter is passed to this class
// and should come here translated already
// adding this to TODO probably add a method to the classes
// to return they're translated string
// added by ruibarreiros @ 27/11/2007
return singleton($this->sourceClass)->singular_name();
}
function NameSingular() {
// same as Title()
// added by ruibarreiros @ 27/11/2007
return singleton($this->sourceClass)->singular_name();
}
function NamePlural() {
// same as Title()
// added by ruibarreiros @ 27/11/2007
return singleton($this->sourceClass)->plural_name();
}
function setTemplate($template) {
$this->template = $template;
}
function BaseLink() {
return $this->FormAction() . "&action_callfieldmethod&fieldName={$this->Name()}&ctf[ID]={$this->sourceID()}&methodName=ajax_refresh&SecurityID=" . Session::get('SecurityID');
}
/**
* Returns the action of the surrounding form - needed to maintain context on subsequent calls.
* It is only needed to embed this field into a form if you want to use more than "display-functionality".
* We try to mirror the existing GET-properties to achieve the same application-state.
*
* @return String
*/
function FormAction() {
$params = $_GET;
// we don't want this to be overriding our new actions
unset($params['executeForm']);
unset($params['fieldName']);
unset($params['url']);
unset($params['methodName']);
unset($params['forcehtml']);
// TODO Refactor
unset($params['ctf']);
$params['ctf'][$this->Name()]['search'] = (isset($_REQUEST['ctf'][$this->Name()]['search'])) ? $_REQUEST['ctf'][$this->Name()]['search'] : null;
$params['SecurityID'] = Session::get('SecurityID');
// unset all actions (otherwise they override action_callfieldmethod)
foreach($params as $paramKey => $paramVal) {
if(strpos($paramKey, 'action_') === 0) {
unset($params[$paramKey]);
}
}
try {
$link = $this->form->FormAction();
$link .= (!strpos($link,'?')) ? '?' : '&';
$link .= urldecode (http_build_query($params));
} catch(Exception $e) {
user_error('Please embed this field into a form if you want to use actions such as "add", "edit" or "delete"', E_USER_ERROR);
}
return $link;
}
/**
* Returns a link by which we can access this form
*/
function FormObjectLink($formName) {
return $this->form->FormAction() . ".ReferencedField.$formName&fieldName={$this->Name()}";
}
/**
* @return Int
*/
function sourceID() {
$idField = $this->form->dataFieldByName('ID');
if(!isset($idField)) {
user_error("TableListField needs a formfield named 'ID' to be present", E_USER_ERROR);
}
return $idField->Value();
}
/**
* Get part of class ancestry for css-class-usage.
* Avoids having to subclass just to built templates with new css-classes.
*/
function Classes() {
global $_ALL_CLASSES;
$items = array();
$parents = $_ALL_CLASSES['parents'][$this->class];
foreach($parents as $parent) {
if(!in_array($parent,$_ALL_CLASSES['parents']["TableListField"])) {
$items[] = $parent;
}
}
$items[] = $this->class;
if($this->template != $this->class) {
$items[] = $this->template;
}
return implode(" ", $items) . ' ' . $this->extraClass();
}
/**
* #########################
* Highlighting
* #########################
*/
function setHighlightConditions($conditions) {
$this->highlightConditions = $conditions;
}
}
/**
* A single record in a TableListField.
* @package forms
* @subpackage fields-relational
* @see TableListField
*/
class TableListField_Item extends ViewableData {
protected $item, $parent;
function __construct($item, $parent) {
$this->failover = $this->item = $item;
$this->parent = $parent;
parent::__construct();
}
function ID() {
return $this->item->ID;
}
function Parent() {
return $this->parent;
}
function Fields() {
$list = $this->parent->FieldList();
foreach($list as $fieldName => $fieldTitle) {
// This supports simple FieldName syntax
if(strpos($fieldName,'.') === false) {
$value = ($this->item->val($fieldName)) ? $this->item->val($fieldName) : $this->item->$fieldName;
// This support the syntax fieldName = Relation.RelatedField
} else {
$fieldNameParts = explode('.', $fieldName) ;
$tmpItem = $this->item;
for($j=0;$j<sizeof($fieldNameParts);$j++) {
$relationMethod = $fieldNameParts[$j];
$idField = $relationMethod . 'ID';
if($j == sizeof($fieldNameParts)-1) {
$value = $tmpItem->$relationMethod;
} else {
$tmpItem = $tmpItem->$relationMethod();
}
}
}
// casting
if(array_key_exists($fieldName, $this->parent->fieldCasting)) {
$fieldType = $this->parent->fieldCasting[$fieldName];
if(strpos($fieldType,'->') === false) {
$castingFieldType = $fieldType;
$castingField = new $castingFieldType($fieldName);
$castingField->setValue($value);
$value = $castingField->XML();
} else {
$fieldTypeParts = explode('->', $fieldType);
$castingFieldType = $fieldTypeParts[0];
$castingMethod = $fieldTypeParts[1];
$castingField = new $castingFieldType($fieldName);
$castingField->setValue($value);
$value = $castingField->$castingMethod();
}
}
// formatting
$item = $this->item;
if(array_key_exists($fieldName, $this->parent->fieldFormatting)) {
$format = str_replace('$value', "__VAL__", $this->parent->fieldFormatting[$fieldName]);
$format = preg_replace('/\$([A-Za-z0-9-_]+)/','$item->$1', $format);
$format = str_replace('__VAL__', '$value', $format);
eval('$value = "' . $format . '";');
}
$fields[] = new ArrayData(array(
"Name" => $fieldName,
"Title" => $fieldTitle,
"Value" => $value,
));
}
return new DataObjectSet($fields);
}
function Markable() {
return $this->parent->Markable;
}
function Can($mode) {
return $this->parent->Can($mode);
}
function BaseLink() {
return $this->parent->FormAction() . "&action_callfieldmethod&fieldName={$this->parent->Name()}&ctf[childID]={$this->item->ID}";
}
function DeleteLink() {
return $this->BaseLink() . "&methodName=delete";
}
function MarkingCheckbox() {
$name = $this->parent->Name() . '[]';
if($this->parent->IsReadOnly || !$this->Can('edit'))
return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" disabled=\"disabled\" />";
else
return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" />";
}
function HighlightClasses() {
$classes = array();
foreach($this->parent->highlightConditions as $condition) {
$rule = str_replace("\$","\$this->item->", $condition['rule']);
$ruleApplies = null;
eval('$ruleApplies = ('.$rule.');');
if($ruleApplies) {
if($condition['exclusive']) {
return $condition['class'];
} else {
$classes[] = $condition['class'];
}
}
}
return (count($classes) > 0) ? " " . implode(" ", $classes) : false;
}
/**
* Legacy: Please use permissions instead
*/
function IsReadOnly() {
return $this->parent->Can('delete');
}
}
?>