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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
* @category Piwik
* @package Piwik
*/
/**
* Simple HTML output
* Does not work with recursive DataTable (i.e., when a row can be associated with a subDataTable).
*
* @package Piwik
* @subpackage Piwik_DataTable
*/
class Piwik_DataTable_Renderer_Html extends Piwik_DataTable_Renderer
{
protected $tableId;
protected $allColumns;
protected $tableStructure;
protected $i;
/**
* Sets the table id
*
* @param string $id
*/
function setTableId($id)
{
$this->tableId = str_replace('.', '_', $id);
}
/**
* Output HTTP Content-Type header
*/
protected function renderHeader()
{
@header('Content-Type: text/html; charset=utf-8');
}
/**
* Computes the dataTable output and returns the string/binary
*
* @return string
*/
function render()
{
$this->renderHeader();
$this->tableStructure = array();
$this->allColumns = array();
$this->i = 0;
return $this->renderTable($this->table);
}
/**
* Computes the exception output and returns the string/binary
*
* @return string
*/
function renderException()
{
$this->renderHeader();
$exceptionMessage = $this->getExceptionMessage();
return nl2br($exceptionMessage);
}
/**
* Computes the output for the given data table
*
* @param Piwik_DataTable $table
* @return string
*/
protected function renderTable($table)
{
if (is_array($table)) // convert array to DataTable
{
$table = Piwik_DataTable::makeFromSimpleArray($table);
}
if ($table instanceof Piwik_DataTable_Array) {
foreach ($table->getArray() as $date => $subtable) {
if ($subtable->getRowsCount()) {
$this->buildTableStructure($subtable, '_' . $table->getKeyName(), $date);
}
}
} else // Piwik_DataTable_Simple
{
if ($table->getRowsCount()) {
$this->buildTableStructure($table);
}
}
$out = $this->renderDataTable();
return $out;
}
/**
* Adds the given data table to the table structure array
*
* @param Piwik_DataTable_Simple $table
* @param null|string $columnToAdd
* @param null|string $valueToAdd
* @throws Exception
*/
protected function buildTableStructure($table, $columnToAdd = null, $valueToAdd = null)
{
$i = $this->i;
$someMetadata = false;
$someIdSubTable = false;
/*
* table = array
* ROW1 = col1 | col2 | col3 | metadata | idSubTable
* ROW2 = col1 | col2 (no value but appears) | col3 | metadata | idSubTable
*/
if (!($table instanceof Piwik_DataTable)) {
throw new Exception("HTML Renderer does not work with this combination of parameters");
}
foreach ($table->getRows() as $row) {
if (isset($columnToAdd) && isset($valueToAdd)) {
$this->allColumns[$columnToAdd] = true;
$this->tableStructure[$i][$columnToAdd] = $valueToAdd;
}
foreach ($row->getColumns() as $column => $value) {
$this->allColumns[$column] = true;
$this->tableStructure[$i][$column] = $value;
}
$metadata = array();
foreach ($row->getMetadata() as $name => $value) {
if (is_string($value)) $value = "'$value'";
$metadata[] = "'$name' => $value";
}
if (count($metadata) != 0) {
$someMetadata = true;
$metadata = implode("<br />", $metadata);
$this->tableStructure[$i]['_metadata'] = $metadata;
}
$idSubtable = $row->getIdSubDataTable();
if (!is_null($idSubtable)) {
$someIdSubTable = true;
$this->tableStructure[$i]['_idSubtable'] = $idSubtable;
}
$i++;
}
$this->i = $i;
$this->allColumns['_metadata'] = $someMetadata;
$this->allColumns['_idSubtable'] = $someIdSubTable;
}
/**
* Computes the output for the table structure array
*
* @return string
*/
protected function renderDataTable()
{
$html = "<table " . ($this->tableId ? "id=\"{$this->tableId}\" " : "") . "border=\"1\">\n<thead>\n\t<tr>\n";
foreach ($this->allColumns as $name => $toDisplay) {
if ($toDisplay !== false) {
if ($name === 0) {
$name = 'value';
}
if ($this->translateColumnNames) {
$name = $this->translateColumnName($name);
}
$html .= "\t\t<th>$name</th>\n";
}
}
$html .= "\t</tr>\n</thead>\n<tbody>\n";
foreach ($this->tableStructure as $row) {
$html .= "\t<tr>\n";
foreach ($this->allColumns as $name => $toDisplay) {
if ($toDisplay !== false) {
$value = "-";
if (isset($row[$name])) {
if (is_array($row[$name])) {
$value = "<pre>" . self::formatValueXml(var_export($row[$name], true)) . "</pre>";
} else {
$value = self::formatValueXml($row[$name]);
}
}
$html .= "\t\t<td>$value</td>\n";
}
}
$html .= "\t</tr>\n";
}
$html .= "</tbody>\n</table>\n";
return $html;
}
}
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