public void InsertKey(string key, string prevKey, string nextKey, CDVAtom cellContent)
{
CDVDocumentCell cell = new CDVDocumentCell();
cell.Key = key;
cell.NextKey = nextKey;
cell.PrevKey = prevKey;
cell.Item = cellContent;
cellContent.Parent = this;
}
private void RequestAsyncKey(string key)
{
if (DataSource != null)
{
lock (pRequestedKeys)
{
if (!pRequestedKeys.Contains(key))
{
CDVDocumentCell cell = new CDVDocumentCell();
cell.Key = key;
DataSource.AsyncRequestData(this, cell);
}
}
}
}
public void InitWithKey(string key)
{
if (Document.ContainsKey(key))
{
CDVDocumentCell atom = Document.GetItemForKey(key);
Size atomSize = atom.Item.Size;
Point atomLoc = atom.Item.Location;
Point newAtomLoc = new Point(0, Height / 2 - atomSize.Height / 2);
atom.Item.Offset(newAtomLoc.X - atomLoc.X, newAtomLoc.Y - atomLoc.Y);
MainAtom = atom;
MainAtomPosition = 50;
}
else
{
MainAtom = null;
MainAtomPosition = -1;
RequestAsyncKey(key);
}
Invalidate();
}
public void OnCDVDataAvailable(CDVDocumentCell data)
{
lock (pRequestedKeys)
{
if (!Document.Cells.ContainsKey(data.Key))
{
Document.Cells[data.Key] = data;
if (MainAtom == null)
{
MainAtom = data;
MainAtomPosition = 0;
}
Debugger.Log(0, "", "Received documentCell " + data.Key + "\n");
}
pRequestedKeys.Remove(data.Key);
}
// TODO: Invalidate only if expected documentpart that should be displayed
// and user was waiting for it
Invalidate();
}
/// <summary>
/// Assumption is that at least MainAtom is correctly placed
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CalendarDataView_Paint(object sender, PaintEventArgs e)
{
CDVDocumentCell firstDrawn = null;
if (MainAtom == null)
{
e.Graphics.DrawString("Please wait a moment...", SystemFonts.MenuFont, Brushes.Black, BoundsFloat, CDVContext.StringFormatCenterCenter);
return;
}
CDVContext ctx = new CDVContext();
ctx.g = e.Graphics;
ctx.ScreenRect = this.ClientRectangle;
CDVDocumentCell last = MainAtom;
Rectangle clientArea = this.ClientRectangle;
// drawing main atom
if (MainAtom.RefreshLayout)
{
DataSource.SyncRefreshLayout(this, MainAtom);
}
MainAtom.Prepare(ctx, 5000);
MainAtom.Item.DrawInRect(ctx);
if (MainAtom.Item.Bounds.Bottom > ctx.ScreenRect.Top &&
MainAtom.Item.Bounds.Top < ctx.ScreenRect.Bottom)
{
firstDrawn = MainAtom;
}
//Debugger.Log(0, "", "Bottom: " + last.Item.Bounds.Bottom + ", Height: " + Height + "\n");
// drawing after
while (Document.ContainsKey(last.NextKey) && last.Item.Bounds.Bottom < Height)
{
// drawing next atom
CDVDocumentCell nc = Document.GetItemForKey(last.NextKey);
if (nc.RefreshLayout)
{
DataSource.SyncRefreshLayout(this, nc);
}
nc.Prepare(ctx, 5000);
nc.MoveAfter(last);
nc.Item.DrawInRect(ctx);
if (nc.Item.Bounds.Bottom > ctx.ScreenRect.Top &&
nc.Item.Bounds.Top < ctx.ScreenRect.Bottom && firstDrawn == null)
{
firstDrawn = nc;
}
last = nc;
}
if (!Document.ContainsKey(last.NextKey))
{
// here place order to datasource for nextkey
RequestAsyncKey(last.NextKey);
}
last = MainAtom;
while (Document.ContainsKey(last.PrevKey) && last.Item.Bounds.Top > 0)
{
CDVDocumentCell nc = Document.GetItemForKey(last.PrevKey);
if (nc.RefreshLayout)
{
DataSource.SyncRefreshLayout(this, nc);
}
nc.Prepare(ctx, 5000);
nc.MoveBefore(last);
nc.Item.DrawInRect(ctx);
if (nc.Item.Bounds.Bottom > ctx.ScreenRect.Top &&
nc.Item.Bounds.Top < ctx.ScreenRect.Bottom && firstDrawn == null)
{
firstDrawn = nc;
}
last = nc;
}
if (!Document.ContainsKey(last.PrevKey))
{
// here place order to datasource for nextkey
RequestAsyncKey(last.PrevKey);
}
// setting MainAtom to document part, that is really drawn on the screen
if (firstDrawn != MainAtom)
{
//Debugger.Log(0, "", "MainAtom changed\n");
MainAtom = firstDrawn;
}
}
public void MoveBefore(CDVDocumentCell before)
{
Item.Offset(0, before.Item.Bounds.Top - Item.Size.Height - Item.Bounds.Location.Y);
}
public void MoveAfter(CDVDocumentCell after)
{
Item.Offset(0, after.Item.Bounds.Bottom - Item.Bounds.Location.Y);
}