/// <summary>
/// Auto set the wheel scroll speed value depending on items collection. AutoSetWheelScrollSpeed property must be set to true.
/// </summary>
public void FixWheelScrollSpeed()
{
if (autoSetWheelScrollSpeed)
{
wheelScrollSpeed = ManagedListViewPanel1.GetVisibleItemsHeight() * 2;
}
}
/// <summary>
/// Advanced ListView control.
/// </summary>
public ManagedListView()
{
InitializeComponent();
wheelScrollSpeed = ManagedListViewPanel1.GetVisibleItemsHeight();
autoSetWheelScrollSpeed = true;
ManagedListViewPanel1.columns = new ManagedListViewColumnsCollection(this);
ManagedListViewPanel1.items = new ManagedListViewItemsCollection(this);
}
/// <summary>
/// Scroll view port into item
/// </summary>
/// <param name="itemIndex">The item index</param>
public void ScrollToItem(int itemIndex)
{
try
{
UpdateScrollBars();
vScrollBar1.Value = ManagedListViewPanel1.GetVscrollValueForItem(itemIndex);
ManagedListViewPanel1.VscrollOffset = ManagedListViewPanel1.GetVscrollValueForItem(itemIndex);
}
catch { }
}
/// <summary>
/// Raises the ColumnsCollectionSorted event
/// </summary>
public void OnColumnsCollectionSorted()
{
ManagedListViewPanel1.buffered_columnsSize = ManagedListViewPanel1.CalculateColumnsSize();
ManagedListViewPanel1_RefreshScrollBars(this, null);
ManagedListViewPanel1.Invalidate();
FixWheelScrollSpeed();
if (ColumnsCollectionSorted != null)
{
ColumnsCollectionSorted(this, new EventArgs());
}
}
/// <summary>
/// Raises the ItemsCollectionCleared event
/// </summary>
public void OnItemsCollectionCleared()
{
ManagedListViewPanel1.buffered_itemsSize = ManagedListViewPanel1.CalculateItemsSize();
ManagedListViewPanel1_RefreshScrollBars(this, null);
ManagedListViewPanel1.Invalidate();
FixWheelScrollSpeed();
if (ItemsCollectionCleared != null)
{
ItemsCollectionCleared(this, new EventArgs());
}
}
private void ManagedListView_MouseLeave(object sender, EventArgs e)
{
ManagedListViewPanel1.OnMouseLeaveRise();
// Clear tooltip
if (currentToolTip != "")
{
timer_tooltip.Stop();
toolTip1.Hide(this);
currentToolTip = "";
}
}
private void ManagedListViewPanel1_ClearScrolls(object sender, EventArgs e)
{
hScrollBar1.Maximum = 1;
ManagedListViewPanel1.HscrollOffset = hScrollBar1.Value = 0;
panel1.Visible = false;
vScrollBar1.Maximum = 1;
ManagedListViewPanel1.VscrollOffset = vScrollBar1.Value = 0;
vScrollBar1.Visible = false;
ManagedListViewPanel1.Invalidate();
}
private void hScrollBar1_KeyDown(object sender, KeyEventArgs e)
{
ManagedListViewPanel1.OnKeyDownRaised(e);
}
private void vScrollBar1_Scroll(object sender, ScrollEventArgs e)
{
ManagedListViewPanel1.VscrollOffset = vScrollBar1.Value;
ManagedListViewPanel1.Invalidate();
}
private void ManagedListView_Paint(object sender, PaintEventArgs e)
{
ManagedListViewPanel1.Invalidate();
UpdateScrollBars();
}
/// <summary>
/// Update the scroll bars and make the right calculations. Sometime, the control forget to calculate these values and results
/// hidden items.
/// </summary>
public void UpdateScrollBars()
{
if (ManagedListViewPanel1.viewMode == ManagedListViewViewMode.Details)
{
int size = ManagedListViewPanel1.buffered_columnsSize;
if (size < this.Width)
{
hScrollBar1.Maximum = 1;
ManagedListViewPanel1.HscrollOffset = hScrollBar1.Value = 0;
ManagedListViewPanel1.Invalidate();
panel1.Visible = false;
}
else
{
hScrollBar1.Maximum = size - ManagedListViewPanel1.Width + 20;
panel1.Visible = true;
panel1.Enabled = true;
}
size = ManagedListViewPanel1.buffered_itemsSize;
if (size < this.Height)
{
vScrollBar1.Maximum = 1;
ManagedListViewPanel1.VscrollOffset = vScrollBar1.Value = 0;
ManagedListViewPanel1.Invalidate();
panel2.Visible = vScrollBar1.Visible = false;
}
else
{
vScrollBar1.Maximum = size - ManagedListViewPanel1.Height + 40;
panel2.Visible = vScrollBar1.Visible = true;
vScrollBar1.Enabled = true;
}
}
else// Thumbnails
{
Size size = ManagedListViewPanel1.CalculateSizeOfItemsAsThumbnails();
if (size.Height < this.Height)
{
vScrollBar1.Maximum = 1;
ManagedListViewPanel1.VscrollOffset = vScrollBar1.Value = 0;
ManagedListViewPanel1.Invalidate();
panel2.Visible = vScrollBar1.Visible = false;
vScrollBar1.Enabled = true;
}
else
{
vScrollBar1.Maximum = size.Height - ManagedListViewPanel1.Height + 40;
panel2.Visible = vScrollBar1.Visible = true;
}
if (size.Width < this.Width)
{
hScrollBar1.Maximum = 1;
ManagedListViewPanel1.HscrollOffset = hScrollBar1.Value = 0;
ManagedListViewPanel1.Invalidate();
panel1.Visible = false;
}
else
{
hScrollBar1.Maximum = size.Width - ManagedListViewPanel1.Width + 20;
panel1.Visible = true;
panel1.Enabled = true;
}
}
HideTooltip();
}
/// <summary>
/// Retrieve item index at point
/// </summary>
/// <param name="point">The point</param>
/// <returns>The found item index</returns>
public int GetItemIndexAtPoint(Point point)
{
return(ManagedListViewPanel1.GetItemIndexAtPoint(point));
}
/// <summary>
/// Retrieve item index at current cursor point
/// </summary>
/// <returns>The found item index</returns>
public int GetItemIndexAtCursorPoint()
{
return(ManagedListViewPanel1.GetItemIndexAtCursorPoint());
}
/// <summary>
/// Retrieve item at point
/// </summary>
/// <param name="point">The point</param>
/// <returns>The found item</returns>
public ManagedListViewItem GetItemAtPoint(Point point)
{
return(ManagedListViewPanel1.items[ManagedListViewPanel1.GetItemIndexAtPoint(point)]);
}
/// <summary>
/// Retrieve item at current cursor point
/// </summary>
/// <returns>The found item</returns>
public ManagedListViewItem GetItemAtCursorPoint()
{
return(ManagedListViewPanel1.items[ManagedListViewPanel1.GetItemIndexAtCursorPoint()]);
}
