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silverstripe-framework/forms/TableListField.php

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<?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 = "";
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;
public $MarkableTitle = null;
/**
* @var $readOnly boolean Deprecated, please use $permssions instead
*/
protected $readOnly;
/**
* @var $permissions array Influence output without having to subclass the template.
* See $actions for adding your custom actions/permissions.
*/
protected $permissions = array(
//"print",
//"export",
"delete"
);
/**
* @var $actions array Action that can be performed on a single row-entry.
* Has to correspond to a method in a TableListField-class (or subclass).
* Actions can be disabled through $permissions.
* Format (key is used for the methodname and CSS-class):
* array(
* 'delete' => array(
* 'label' => 'Delete',
* 'icon' => 'cms/images/delete.gif',
* 'icon_disabled' => 'cms/images/delete_disabled.gif',
* 'class' => 'deletelink',
* )
* )
*/
public $actions = array(
'delete' => array(
'label' => 'Delete',
'icon' => 'cms/images/delete.gif',
'icon_disabled' => 'cms/images/delete_disabled.gif',
'class' => 'deletelink'
)
);
/**
* @var $defaultAction String Action being executed when clicking on table-row (defaults to "show").
* Mostly needed in ComplexTableField-subclass.
*/
public $defaultAction = '';
/**
* @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 array Specify custom escape for the fields.
*
* <code>
* array("\""=>"\"\"","\r"=>"", "\r\n"=>"", "\n"=>"")
* </code>
*/
public $csvFieldEscape = array(
"\""=>"\"\"",
"\r\n"=>"",
"\r"=>"",
"\n"=>"",
);
/**
* @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();
public $csvFieldFormatting = 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;
/**
* @var array
*/
protected $extraLinkParams;
protected $__cachedQuery;
function __construct($name, $sourceClass, $fieldList = null, $sourceFilter = null,
$sourceSort = null, $sourceJoin = null) {
$this->fieldList = ($fieldList) ? $fieldList : singleton($sourceClass)->summaryFields();
$this->sourceClass = $sourceClass;
$this->sourceFilter = $sourceFilter;
$this->sourceSort = $sourceSort;
$this->sourceJoin = $sourceJoin;
$this->readOnly = false;
parent::__construct($name);
}
/**
* Get the filter
*/
function sourceFilter() {
return $this->sourceFilter;
}
function index() {
return $this->FieldHolder();
}
static $url_handlers = array(
'item/$ID' => 'handleItem',
'$Action' => '$Action',
);
function sourceClass() {
return $this->sourceClass;
}
function handleItem($request) {
return new TableListField_ItemRequest($this, $request->param('ID'));
}
function FieldHolder() {
Requirements::javascript(THIRDPARTY_DIR . '/prototype.js');
Requirements::javascript(THIRDPARTY_DIR . '/behaviour.js');
Requirements::javascript(THIRDPARTY_DIR . '/prototype_improvements.js');
Requirements::javascript(THIRDPARTY_DIR . '/scriptaculous/effects.js');
Requirements::add_i18n_javascript(SAPPHIRE_DIR . '/javascript/lang');
Requirements::javascript(SAPPHIRE_DIR . '/javascript/TableListField.js');
Requirements::css(SAPPHIRE_DIR . '/css/TableListField.css');
if($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() {
$headings = array();
foreach($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->Link();
$sortLink = HTTP::setGetVar("ctf[{$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, $sortLink);
}
if(isset($_REQUEST['ctf'][$this->Name()]['search'])) {
foreach($_REQUEST['ctf'][$this->Name()]['search'] as $parameter => $value) {
$XML_search = Convert::raw2xml($value);
$sortLink = HTTP::setGetVar("ctf[{$this->Name()}][search][$parameter]", $XML_search, $sortLink);
}
}
} else {
$sortLink = '#';
}
$headings[] = new ArrayData(array(
"Name" => $fieldName,
"Title" => ($this->sourceClass) ? singleton($this->sourceClass)->fieldLabel($fieldTitle) : $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->__cachedQuery) {
$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}"));
}
/**
* Dummy function to get number of actions originally generated in
* TableListField_Item.
*
* @return DataObjectSet
*/
function Actions() {
$allowedActions = new DataObjectSet();
foreach($this->actions as $actionName => $actionSettings) {
if($this->Can($actionName)) {
$allowedActions->push(new ViewableData());
}
}
return $allowedActions;
}
/**
* 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->showPagination && $this->pageSize) ? "{$this->pageSize}" : null;
if(isset($_REQUEST['ctf'][$this->Name()]['start']) && is_numeric($_REQUEST['ctf'][$this->Name()]['start'])) {
$SQL_start = (isset($_REQUEST['ctf'][$this->Name()]['start'])) ? intval($_REQUEST['ctf'][$this->Name()]['start']) : "0";
} else {
$SQL_start = 0;
}
if(isset($this->customSourceItems)) {
if($this->showPagination && $this->pageSize) {
$items = $this->customSourceItems->getRange($SQL_start, $SQL_limit);
} else {
$items = $this->customSourceItems;
}
} elseif(isset($this->cachedSourceItems)) {
$items = $this->cachedSourceItems;
} else {
// get query
$dataQuery = $this->getQuery();
// we don't limit when doing certain actions T
if(!isset($_REQUEST['methodName']) || !in_array($_REQUEST['methodName'],array('printall','export'))) {
$dataQuery->limit(array(
'limit' => $SQL_limit,
'start' => (isset($SQL_start)) ? $SQL_start : null
));
}
// 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) {
$fieldItem = new TableListField_Item($item, $this);
if($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 = clone $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' . $k) && !$SNG->hasMethod($k) && !strpos($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 $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($this->sourceClass)->hasDatabaseField($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(/.*-(\d*)$/,'$1'), 'popup'); w.focus();";
}
function performReadonlyTransformation() {
$clone = clone $this;
$clone->setShowPagination(false);
$clone->setPermissions(array('show'));
$clone->addExtraClass( 'readonly' );
$clone->setReadonly(true);
return $clone;
}
/**
* #################################
* CRUD
* #################################
*/
/**
* @return String
*/
function delete() {
if($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)) {
$summaryValue = $this->getCastedValue($summaryValue, $casting);
}
} else {
$summaryValue = null;
$function = null;
}
$summaryFields[] = new ArrayData(array(
'Function' => $function,
'SummaryValue' => $summaryValue,
'Name' => DBField::create('Varchar', $fieldName),
'Title' => DBField::create('Varchar', $fieldTitle),
));
}
return new DataObjectSet($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.
* See {@link TableListField_Item->Can()} for object-specific
* permissions.
*
* @return boolean
*/
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() {
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'];
}
/**
* @param array
* @deprecated Put the query string onto your form's link instead :-)
*/
function setExtraLinkParams($params){
user_error("TableListField::setExtraLinkParams() deprecated - put the query string onto your form's FormAction instead; it will be handed down to all field with special handlers", E_USER_NOTICE);
$this->extraLinkParams = $params;
}
/**
* @return array
*/
function getExtraLinkParams(){
return $this->extraLinkParams;
}
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;
}
$link = Controller::join_links($this->Link(), "?ctf[{$this->Name()}][start]={$start}");
if($this->extraLinkParams) $link .= "&" . http_build_query($this->extraLinkParams);
return $link;
}
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;
$link = Controller::join_links($this->Link(), "?ctf[{$this->Name()}][start]={$start}");
if($this->extraLinkParams) $link .= "&" . http_build_query($this->extraLinkParams);
return $link;
}
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;
}
$link = Controller::join_links($this->Link(), "?ctf[{$this->Name()}][start]={$start}");
if($this->extraLinkParams) $link .= "&" . http_build_query($this->extraLinkParams);
return $link;
}
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;
}
$link = Controller::join_links($this->Link(), "?ctf[{$this->Name()}][start]={$start}");
if($this->extraLinkParams) $link .= "&" . http_build_query($this->extraLinkParams);
return $link;
}
function FirstItem() {
if ($this->TotalCount() < 1) return 0;
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;
}
/**
* Get the CSV separator character. Defaults to ,
*/
function getCsvSeparator() {
return $this->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}.
* We move the most filedata generation code to the function {@link generateExportFileData()} so that a child class
* could reuse the filedata generation code while overwrite export function.
*
* @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";
if($fileData = $this->generateExportFileData($numColumns, $numRows)){
return HTTPRequest::send_file($fileData, $fileName);
}else{
user_error("No records found", E_USER_ERROR);
}
}
function generateExportFileData(&$numColumns, &$numRows) {
$separator = $this->csvSeparator;
$csvColumns = ($this->fieldListCsv) ? $this->fieldListCsv : $this->fieldList;
$fileData = '';
$columnData = array();
$fieldItems = new DataObjectSet();
if($this->csvHasHeader) {
$fileData .= "\"" . implode("\"{$separator}\"", array_values($csvColumns)) . "\"";
$fileData .= "\n";
}
if(isset($this->customSourceItems)) {
$items = $this->customSourceItems;
} else {
$dataQuery = $this->getCsvQuery();
$items = $dataQuery->execute();
}
// temporary override to adjust TableListField_Item behaviour
$this->setFieldFormatting(array());
$this->fieldList = $csvColumns;
if($items) {
foreach($items as $item) {
if(is_array($item)) {
$className = isset($item['RecordClassName']) ? $item['RecordClassName'] : $item['ClassName'];
$item = new $className($item);
}
$fieldItem = new TableListField_Item($item, $this);
$fields = $fieldItem->Fields(false);
$columnData = array();
if($fields) foreach($fields as $field) {
$value = $field->Value;
// TODO This should be replaced with casting
if(array_key_exists($field->Name, $this->csvFieldFormatting)) {
$format = str_replace('$value', "__VAL__", $this->csvFieldFormatting[$field->Name]);
$format = preg_replace('/\$([A-Za-z0-9-_]+)/','$item->$1', $format);
$format = str_replace('__VAL__', '$value', $format);
eval('$value = "' . $format . '";');
}
$value = str_replace(array("\r", "\n"), "\n", $value);
$tmpColumnData = "\"" . str_replace("\"", "\"\"", $value) . "\"";
$columnData[] = $tmpColumnData;
}
$fileData .= implode($separator, $columnData);
$fileData .= "\n";
$item->destroy();
unset($item);
unset($fieldItem);
}
$numColumns = count($columnData);
$numRows = $fieldItems->count();
return $fileData;
} else {
return null;
}
}
/**
* We need to instanciate this button manually as a normal button has no means of adding inline onclick-behaviour.
*/
function ExportLink() {
$exportLink = Controller::join_links($this->Link(), 'export');
if($this->extraLinkParams) $exportLink .= "?" . http_build_query($this->extraLinkParams);
return $exportLink;
}
function printall() {
Requirements::clear();
Requirements::css(CMS_DIR . '/css/typography.css');
Requirements::css(CMS_DIR . '/css/cms_right.css');
Requirements::css(SAPPHIRE_DIR . '/css/TableListField_print.css');
unset($this->cachedSourceItems);
$oldShowPagination = $this->showPagination;
$this->showPagination = false;
$oldLimit = ini_get('max_execution_time');
set_time_limit(0);
$result = $this->renderWith(array($this->template . '_printable', 'TableListField_printable'));
$this->showPagination = $oldShowPagination;
set_time_limit($oldLimit);
return $result;
}
function PrintLink() {
$link = Controller::join_links($this->Link(), '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 $links;
}
/**
* Returns the content of the TableListField as a piece of FormResponse javascript
* @deprecated Please use the standard URL through Link() which gives you the FieldHolder as an HTML fragment.
*/
function ajax_refresh() {
// compute sourceItems here instead of Items() to ensure that
// pagination and filters are respected on template accessors
//$this->sourceItems();
$response = $this->renderWith($this->template);
FormResponse::update_dom_id($this->id(), $response, 1);
FormResponse::set_non_ajax_content($response);
return FormResponse::respond();
}
function setFieldCasting($casting) {
$this->fieldCasting = $casting;
}
function setFieldFormatting($formatting) {
$this->fieldFormatting = $formatting;
}
function setCSVFieldFormatting($formatting) {
$this->csvFieldFormatting = $formatting;
}
/**
* Edit the field list
*/
function setFieldList($fieldList) {
$this->fieldList = $fieldList;
}
/**
* @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 $this->sourceClass ? singleton($this->sourceClass)->singular_name() : $this->Name();
}
function NameSingular() {
// same as Title()
// added by ruibarreiros @ 27/11/2007
return $this->sourceClass ? singleton($this->sourceClass)->singular_name() : $this->Name();
}
function NamePlural() {
// same as Title()
// added by ruibarreiros @ 27/11/2007
return $this->sourceClass ? singleton($this->sourceClass)->plural_name() : $this->Name();
}
function setTemplate($template) {
$this->template = $template;
}
function CurrentLink() {
$link = $this->Link();
if(isset($_REQUEST['ctf'][$this->Name()]['start']) && is_numeric($_REQUEST['ctf'][$this->Name()]['start'])) {
$start = ($_REQUEST['ctf'][$this->Name()]['start'] < 0) ? 0 : $_REQUEST['ctf'][$this->Name()]['start'];
$link .= "/?ctf[{$this->Name()}][start]={$start}";
}
if($this->extraLinkParams) $link .= "&" . http_build_query($this->extraLinkParams);
return $link;
}
function BaseLink() {
user_error("TableListField::BaseLink() deprecated, use Link() instead", E_USER_NOTICE);
return $this->Link();
}
/**
* @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();
}
/**
* Helper method to determine permissions for a scaffolded
* TableListField (or subclasses) - currently used in {@link ModelAdmin} and {@link DataObject->scaffoldFormFields()}.
* Returns true for each permission that doesn't have an explicit getter.
*
* @todo Temporary method, implement directly in FormField subclasses with object-level permissions.
*
* @param string $class
* @param numeric $id
* @return array
*/
public static function permissions_for_object($class, $id = null) {
$permissions = array();
$obj = ($id) ? DataObject::get_by_id($class, $id) : singleton($class);
if(!$obj->hasMethod('canView') || $obj->canView()) $permissions[] = 'show';
if(!$obj->hasMethod('canEdit') || $obj->canEdit()) $permissions[] = 'edit';
if(!$obj->hasMethod('canDelete') || $obj->canDelete()) $permissions[] = 'delete';
if(!$obj->hasMethod('canCreate') || $obj->canCreate()) $permissions[] = 'add';
return $permissions;
}
/**
* @param $value
*
*/
function getCastedValue($value, $castingDefinition) {
if(is_array($castingDefinition)) {
$castingParams = $castingDefinition;
array_shift($castingParams);
$castingDefinition = array_shift($castingDefinition);
} else {
$castingParams = array();
}
if(strpos($castingDefinition,'->') === false) {
$castingFieldType = $castingDefinition;
$castingField = DBField::create($castingFieldType, $value);
$value = call_user_func_array(array($castingField,'XML'),$castingParams);
} else {
$fieldTypeParts = explode('->', $castingDefinition);
$castingFieldType = $fieldTypeParts[0];
$castingMethod = $fieldTypeParts[1];
$castingField = DBField::create($castingFieldType, $value);
$value = call_user_func_array(array($castingField,$castingMethod),$castingParams);
}
return $value;
}
/**
* #########################
* Highlighting
* #########################
*/
function setHighlightConditions($conditions) {
$this->highlightConditions = $conditions;
}
}
/**
* A single record in a TableListField.
* @package forms
* @subpackage fields-relational
* @see TableListField
*/
class TableListField_Item extends ViewableData {
/**
* @var DataObject The underlying data record,
* usually an element of {@link TableListField->sourceItems()}.
*/
protected $item;
/**
* @var TableListField
*/
protected $parent;
function __construct($item, $parent) {
$this->failover = $this->item = $item;
$this->parent = $parent;
parent::__construct();
}
function ID() {
return $this->item->ID;
}
function Parent() {
return $this->parent;
}
function Fields($xmlSafe = true) {
$list = $this->parent->FieldList();
foreach($list as $fieldName => $fieldTitle) {
$value = "";
// This supports simple FieldName syntax
if(strpos($fieldName,'.') === false) {
$value = ($this->item->XML_val($fieldName) && $xmlSafe) ? $this->item->XML_val($fieldName) : $this->item->$fieldName;
} else {
// This supports the syntax fieldName = Relation.RelatedField
$fieldNameParts = explode('.', $fieldName) ;
$tmpItem = $this->item;
for($j=0;$j<sizeof($fieldNameParts);$j++) {
$relationMethod = $fieldNameParts[$j];
$idField = $relationMethod . 'ID';
if($j == sizeof($fieldNameParts)-1) {
if($tmpItem) $value = $tmpItem->$relationMethod;
} else {
if($tmpItem) $tmpItem = $tmpItem->$relationMethod();
}
}
}
// casting
if(array_key_exists($fieldName, $this->parent->fieldCasting)) {
$value = $this->parent->getCastedValue($value, $this->parent->fieldCasting[$fieldName]);
} elseif(is_object($value) && method_exists($value, 'Nice')) {
$value = $value->Nice();
}
// 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 = "' . $format . '";');
}
//escape
if($escape = $this->parent->fieldEscape){
foreach($escape as $search => $replace){
$value = str_replace($search, $replace, $value);
}
}
$fields[] = new ArrayData(array(
"Name" => $fieldName,
"Title" => $fieldTitle,
"Value" => $value,
"CsvSeparator" => $this->parent->getCsvSeparator(),
));
}
return new DataObjectSet($fields);
}
function Markable() {
return $this->parent->Markable;
}
/**
* Checks global permissions for field in {@link TableListField->Can()}.
* If they are allowed, it checks for object permissions by assuming
* a method with "can" + $mode parameter naming, e.g. canDelete().
*
* @param string $mode See {@link TableListField::$permissions} array.
* @return boolean
*/
function Can($mode) {
$canMethod = "can" . ucfirst($mode);
if(!$this->parent->Can($mode)) {
// check global settings for the field instance
return false;
} elseif($this->item->hasMethod($canMethod)) {
// if global allows, check object specific permissions (e.g. canDelete())
return $this->item->$canMethod();
} else {
// otherwise global allowed this action, so return TRUE
return true;
}
}
function Link() {
if($this->parent->getForm()) {
$parentUrlParts = parse_url($this->parent->Link());
$queryPart = (isset($parentUrlParts['query'])) ? '?' . $parentUrlParts['query'] : null;
return Controller::join_links($parentUrlParts['path'], 'item', $this->item->ID, $queryPart);
} else {
// allow for instanciation of this FormField outside of a controller/form
// context (e.g. for unit tests)
return false;
}
}
/**
* Returns all row-based actions not disallowed through permissions.
* See TableListField->Action for a similiar dummy-function to work
* around template-inheritance issues.
*
* @return DataObjectSet
*/
function Actions() {
$allowedActions = new DataObjectSet();
foreach($this->parent->actions as $actionName => $actionSettings) {
if($this->parent->Can($actionName)) {
$allowedActions->push(new ArrayData(array(
'Name' => $actionName,
'Link' => $this->{ucfirst($actionName).'Link'}(),
'Icon' => $actionSettings['icon'],
'IconDisabled' => $actionSettings['icon_disabled'],
'Label' => $actionSettings['label'],
'Class' => $actionSettings['class'],
'Default' => ($actionName == $this->parent->defaultAction),
'IsAllowed' => $this->Can($actionName),
)));
}
}
return $allowedActions;
}
function BaseLink() {
user_error("TableListField_Item::BaseLink() deprecated, use Link() instead", E_USER_NOTICE);
return $this->Link();
}
function DeleteLink() {
return Controller::join_links($this->Link(), "delete");
}
function MarkingCheckbox() {
$name = $this->parent->Name() . '[]';
if($this->parent->isReadonly())
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');
}
}
class TableListField_ItemRequest extends RequestHandler {
protected $ctf;
protected $itemID;
protected $methodName;
static $url_handlers = array(
'$Action!' => '$Action',
'' => 'index',
);
function Link() {
return $this->ctf->Link() . '/item/' . $this->itemID;
}
function __construct($ctf, $itemID) {
$this->ctf = $ctf;
$this->itemID = $itemID;
parent::__construct();
}
function delete() {
if($this->ctf->Can('delete') !== true) {
return false;
}
$this->dataObj()->delete();
}
///////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Return the data object being manipulated
*/
function dataObj() {
// used to discover fields if requested and for population of field
if(is_numeric($this->itemID)) {
// we have to use the basedataclass, otherwise we might exclude other subclasses
return DataObject::get_by_id(ClassInfo::baseDataClass(Object::getCustomClass($this->ctf->sourceClass())), $this->itemID);
}
}
/**
* Returns the db-fieldname of the currently used has_one-relationship.
*/
function getParentIdName( $parentClass, $childClass ) {
return $this->getParentIdNameRelation( $childClass, $parentClass, 'has_one' );
}
/**
* Manually overwrites the parent-ID relations.
* @see setParentClass()
*
* @param String $str Example: FamilyID (when one Individual has_one Family)
*/
function setParentIdName($str) {
$this->parentIdName = $str;
}
/**
* Returns the db-fieldname of the currently used relationship.
*/
function getParentIdNameRelation($parentClass, $childClass, $relation) {
if($this->parentIdName) return $this->parentIdName;
$relations = singleton($parentClass)->$relation();
$classes = ClassInfo::ancestry($childClass);
foreach($relations as $k => $v) {
if(array_key_exists($v, $classes)) return $k . 'ID';
}
return false;
}
}
?>
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