/// <summary>
/// Initializes a new instance of the <see cref="InternalItem"/> class.
/// </summary>
/// <param name="userItem">The user item.</param>
/// <param name="owner">The owner.</param>
public InternalItem([NotNull] IGroupedListViewItem userItem,
[NotNull] GroupedListView owner)
{
Assert.ArgumentNotNull(owner, nameof(owner));
Assert.ArgumentNotNull(userItem, nameof(userItem));
Assert.NotNullOrEmpty(userItem.Name,
"userItem.Name must not be null nor empty");
_owner = owner;
_userItem = userItem;
_checkBox.Text = string.Empty;
_checkBox.AutoSize = true;
_checkBox.Tag = this;
_pictureBox.Size = new Size(1, 1); // very small
_pictureBox.SizeMode = PictureBoxSizeMode.AutoSize;
_pictureBox.Tag = this;
_labelName.AutoSize = true;
_labelName.Tag = this;
_labelInfo.AutoSize = true;
_labelInfo.Tag = this;
RefreshControls();
}
public void AddItem([NotNull] IGroupedListViewItem item)
{
Assert.ArgumentNotNull(item, nameof(item));
_itemList.Add(new InternalItem(item, this));
ListChanged();
}
private void RebuildTable()
{
Stopwatch stopwatch1 = null;
if (_msg.IsVerboseDebugEnabled)
{
stopwatch1 = _msg.DebugStartTiming();
}
CreateTableLayoutPanel();
_msg.DebugStopTiming(stopwatch1, "GroupedListView: CreateTableLayoutPanel");
Stopwatch stopwatch2 = null;
if (_msg.IsVerboseDebugEnabled)
{
stopwatch2 = _msg.DebugStartTiming();
}
_tableLayoutPanel.SuspendLayout();
_tableLayoutPanel.RowCount = 0; // grow as needed
_tableLayoutPanel.ColumnCount = _showCheckBoxes
? 4
: 3;
_itemList.Sort(); // by Group, then by Name
_groupNameToControlMap.Clear(); // reset
var rowNumber = 0;
string currentHeading = null;
foreach (InternalItem item in _itemList)
{
IGroupedListViewItem userItem = item.UserItem;
string headingText = userItem.Group ?? NullGroupHeadingText;
if (string.CompareOrdinal(headingText, currentHeading) != 0)
{
currentHeading = headingText;
AddGroupHeading(currentHeading, rowNumber++);
}
AddItemEntry(item, rowNumber++);
}
AddFillerRow(rowNumber);
_tableLayoutPanel.ResumeLayout();
_msg.DebugStopTiming(stopwatch2, "GroupedListView: rebuilt table layout");
}
