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APICHANGE: we move the filedata generation part of export() function to a new function generateExportFileData, so that, a child class could reuse the function when overload export function

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.3@70150 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Normann Lou 2009-01-14 20:43:12 +00:00 committed by Sam Minnee
parent ebed486bcd
commit d3a5bcbb7f
1 changed files with 20 additions and 2 deletions
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22
forms/TableListField.php
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@ -894,6 +894,8 @@ JS
/**
* 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)
*/
@ -901,6 +903,19 @@ JS
$now = Date("d-m-Y-H-i");
$fileName = "export-$now.csv";
if($fileData = $this->generateExportFileData($numColumns, $numRows)){
return HTTPRequest::send_file($fileData, $fileName);
}else{
user_error("No records found", E_USER_ERROR);
}
}
/**
* the function is to generate string that will be used as
* the content of exported file
*/
function generateExportFileData(&$numColumns, &$numRows){
$separator = $this->csvSeparator;
$csvColumns = ($this->fieldListCsv) ? $this->fieldListCsv : $this->fieldList;
$fileData = "";
@ -955,9 +970,12 @@ JS
$fileData .= implode($separator, $columnData);
$fileData .= "\n";
}
return HTTPRequest::send_file($fileData, $fileName);
$numColumns = count($columnData);
$numRows = $fieldItems->count();
return $fileData;
} else {
user_error("No records found", E_USER_ERROR);
return null;
}
}