private void _entryBoxSearchCriteria_Changed(object sender, EventArgs e)
{
_listStoreModelFilter.Refilter();
//Always set Cursor position to first record on filter, else we LOST Cursor, and it can Crash on Cursor dependent CRUD methods like UPDATE/DELETE
TreeIter treeIter;
_listStoreModelFilter.GetIterFirst(out treeIter);
_treeView.SetCursor(_listStoreModelFilter.GetPath(treeIter), _treeView.Columns[0], false);
_treeView.ScrollToCell(_listStoreModelFilter.GetPath(treeIter), _treeView.Columns[0], false, 0, 0);
}
public void RebuildTable()
{
if ((null == model) || (null == items) || (null == table))
{
iFolderViewGroup.log.Info("NULL Reference Exception: Object, model is -{0}-items is-{1}-table is -{2}-", model, items, table);
return; // prevent null pointer exception
}
int numOfItems = model.IterNChildren();
if (numOfItems > 0)
{
int availableWidth = currentWidth
- (int)(contentVBox.BorderWidth * 2)
- (int)(table.BorderWidth * 2);
int numOfColumns = availableWidth / ItemMaxWidth;
if (numOfColumns < 1)
{
numOfColumns = 1; // Force at least one column
}
int numOfRows = numOfItems / numOfColumns;
if ((numOfItems % numOfColumns) > 0)
{
numOfRows++;
}
bFirstTableBuild = false;
///
/// Clear out the old items
///
items.Clear();
foreach (Widget w in table.Children)
{
table.Remove(w);
w.Destroy();
}
table.Resize((uint)numOfRows, (uint)numOfColumns);
int currentRow = 0;
int currentColumn = 0;
TreeIter iter;
if (model.GetIterFirst(out iter))
{
do
{
iFolderHolder holder = (iFolderHolder)model.GetValue(iter, 0);
if (holder != null)
{
iFolderViewItem item = new iFolderViewItem(holder, this, iter, ItemMaxWidth);
if (null == item)
{
iFolderViewGroup.log.Info("NULL Reference Exception: Object item is NULL");
return; //prevent null pointer exception
}
table.Attach(item,
(uint)currentColumn, (uint)currentColumn + 1,
(uint)currentRow, (uint)currentRow + 1,
AttachOptions.Shrink | AttachOptions.Fill,
0, 0, 0);
// Save off the item so we can quickly reference it later
TreePath path = model.GetPath(iter);
items[path.ToString()] = item;
// Register for the click events
item.LeftClicked +=
new EventHandler(OnItemLeftClicked);
item.RightClicked +=
new EventHandler(OnItemRightClicked);
item.DoubleClicked +=
new EventHandler(OnItemDoubleClicked);
currentColumn = ((currentColumn + 1) % numOfColumns);
if (currentColumn == 0)
{
currentRow++;
}
}
} while (model.IterNext(ref iter));
}
table.ShowAll();
}
else
{
items.Clear();
foreach (Widget w in table.Children)
{
table.Remove(w);
w.Destroy();
}
}
}