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Limit refresh of items during expansion of a item for the first time to improve performance.

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Use the top EditItem to determine absolute location of items on the Step Panel.
This commit is contained in:
Rich 2012-10-25 00:43:02 +00:00
parent 4885cfd881
commit 6e65ec7cd0
1 changed files with 13 additions and 59 deletions
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72
PROMS/Volian.Controls.Library/StepPanel.cs
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@ -25,7 +25,18 @@ namespace Volian.Controls.Library
get { return _VwMode; }
set { _VwMode = value; }
}
private EditItem _TopMostEditItem = null;
public EditItem TopMostEditItem
{
get { return _TopMostEditItem; }
set { _TopMostEditItem = value; }
}
private ItemInfo _ExpandingHLS = null;
public ItemInfo ExpandingHLS
{
get { return _ExpandingHLS; }
set { _ExpandingHLS = value; }
}
// TODO: This is not correct. There should be a dictionary of Section Layouts
/// <summary>
/// Lookup Table to convert ItemInfo.ItemID to EditItem
@ -228,69 +239,11 @@ namespace Volian.Controls.Library
}
#endregion
#region Constructors
private Timer _RefreshTimer = null;
public Timer RefreshTimer
{
get
{
if (_RefreshTimer == null)
{
_RefreshTimer = new Timer();
_RefreshTimer.Tick += new EventHandler(_RefreshTimer_Tick);
}
_RefreshTimer.Enabled = false;
_RefreshTimer.Interval = 200;
try
{
_RefreshTimer.Enabled = true;
}
catch (Exception ex)
{
this.VerticalScroll.Visible = true;
}
return _RefreshTimer;
}
}
void _RefreshTimer_Tick(object sender, EventArgs e)
{
_RefreshTimer.Enabled = false;
while (_RefreshList.Count > 0)
{
EditItem myEditItem = _RefreshList[0];
int newTop = myEditItem.Top;
_MyLog.InfoFormat("TimerTick {0}", myEditItem.MyItemInfo.ShortPath);
myEditItem.Top = newTop + 100;
Application.DoEvents();
myEditItem.Top = newTop;
_RefreshList.RemoveAt(0);
if (_SelectedEditItem != null && _SelectedEditItem.Bottom > Height)
ScrollControlIntoView(_SelectedEditItem);
}
}
private List<EditItem> _RefreshList;
public List<EditItem> RefreshList
{
get
{
if (_RefreshList == null)
_RefreshList = new List<EditItem>();
return _RefreshList;
}
}
public void AddToRefreshList(EditItem myEditItem)
{
if (!RefreshList.Contains(myEditItem))
{
RefreshList.Add(myEditItem);
RefreshTimer.Enabled = true;
}
}
public StepPanel()
{
InitializeComponent();
SetupStepPanel();
}
private void SetupStepPanel()
{
this.BackColorChanged += new EventHandler(StepPanel_BackColorChanged);
@ -691,6 +644,7 @@ namespace Volian.Controls.Library
/// <returns></returns>
public int ToDisplay(string value,int i)
{
if (i < 0) return 0;
string s = value.Split(",".ToCharArray())[i];
return ToDisplay(s);
}