/**
* Constructor.
* @param TList the data to be iterated through
* @param integer start index
* @param integer number of items to be iterated through
*/
public function __construct(TList $list, $startIndex, $count)
{
$this->_list = $list;
$this->_index = 0;
$this->_startIndex = $startIndex;
if ($startIndex + $count > $list->getCount()) {
$this->_count = $list->getCount() - $startIndex;
} else {
$this->_count = $count;
}
}
public function testConstruct()
{
$a = array(1, 2, 3);
$list = new TList($a);
$this->assertEquals(3, $list->getCount());
$list2 = new TList($this->list);
$this->assertEquals(2, $list2->getCount());
}
/**
* @return integer the number of items in current page
*/
public function getCount()
{
if ($this->_customPaging) {
return parent::getCount();
} else {
if ($this->_currentPageIndex === $this->getPageCount() - 1) {
return parent::getCount() - $this->_pageSize * $this->_currentPageIndex;
} else {
return $this->_pageSize;
}
}
}
/**
* Restores datagrid content from viewstate.
*/
protected function restoreGridFromViewState()
{
$this->reset();
$allowPaging = $this->getAllowPaging();
$itemCount = $this->getViewState('ItemCount', 0);
$dsIndex = $this->getViewState('DataSourceIndex', 0);
$columns = new TList($this->getColumns());
$columns->mergeWith($this->_autoColumns);
$this->_allColumns = $columns;
$items = $this->getItems();
if ($columns->getCount()) {
foreach ($columns as $column) {
$column->initialize();
}
$selectedIndex = $this->getSelectedItemIndex();
$editIndex = $this->getEditItemIndex();
for ($index = 0; $index < $itemCount; ++$index) {
if ($index === 0) {
if ($allowPaging) {
$this->_topPager = $this->createPager();
}
$this->_header = $this->createItemInternal(-1, -1, TListItemType::Header, false, null, $columns);
}
if ($index === $editIndex) {
$itemType = TListItemType::EditItem;
} else {
if ($index === $selectedIndex) {
$itemType = TListItemType::SelectedItem;
} else {
if ($index % 2) {
$itemType = TListItemType::AlternatingItem;
} else {
$itemType = TListItemType::Item;
}
}
}
$items->add($this->createItemInternal($index, $dsIndex, $itemType, false, null, $columns));
$dsIndex++;
}
if ($index > 0) {
$this->_footer = $this->createItemInternal(-1, -1, TListItemType::Footer, false, null, $columns);
if ($allowPaging) {
$this->_bottomPager = $this->createPager();
}
}
}
if (!$dsIndex && $this->_emptyTemplate !== null) {
$this->_useEmptyTemplate = true;
$this->_emptyTemplate->instantiateIn($this);
}
}
