void UserRemovedChunk(TodayVM.ChunkVM cvm)
{
//can't remove last one
if (VM.Chunks.Count <= 1)
{
return;
}
VM.Chunks.Remove(cvm);
SaveChunks(force: true);
Refresh(null);
}
static void SetDropTarget(TodayVM.ChunkVM vm)
{
if (LastDropTarget != null)
{
LastDropTarget.DragTargetColor = UIGlobals.TRANSPARENT_BRUSH;
LastDropTarget = null;
}
if (vm != null)
{
vm.DragTargetColor = UIGlobals.DRAG_TARGET_BRUSH;
LastDropTarget = vm;
}
}
public TodayController(bool isToday, Action <BlockController> blockGotFocusHandler, Action <BlockController, bool> collapseRequested)
: base(blockGotFocusHandler, collapseRequested)
{
IsToday = isToday;
DateTime dt = DateTime.Now;
if (!isToday)
{
dt = dt.AddDays(1);
}
string dateS = DateUtil.ToYMD(dt);
Date = dateS;
VM = new TodayVM(isToday, dateS, VMGotFocus);
//hook up VM events
VM.ChunkGotFocus = idx =>
{
LastFocusedChunk = VM.Chunks[idx];
};
VM.RequestAddChunk = () =>
{
VM.Chunks.Add(new TodayVM.ChunkVM(VM, UserRemovedChunk)
{
Title = VM.NewChunkTitle,
IsDirty = true
});
VM.NewChunkTitle = "";
};
VM.DropOnChunkRequested = (BoxDragInfo di, TodayVM.ChunkVM chunkVM) =>
{
MoveBoxToChunk(di.Box, chunkVM, true);
};
VM.FocusBarClicked = () =>
{
VisualUtils.DelayThen(30, () =>
{
VM.GetMainControl?.Invoke()?.Focus();
});
};
Refresh(null);
}
/// <summary>
/// handler for result of a drag onto a chunk title, or onto another boxpreview (indirectly).
/// </summary>
void MoveBoxToChunk(CachedBox box, TodayVM.ChunkVM chunk, bool rebulidViews)
{
if (!VM.ContainsBoxId(box.RowId))
{
UIGlobals.Do.ShowTimedMessge("Cannot drag task to a different day");
return;
}
//remove box from all chunks
foreach (var c in VM.Chunks)
{
for (int i = c.Items.Count - 1; i >= 0; --i)
{
if (c.Items[i].Persistent.Box.RowId == box.RowId)
{
c.Items.RemoveAt(i);
c.IsDirty = true;
}
}
}
//add to target chunk
var ae = new AgendaEntry {
Box = box
}; //this is short lived since we will rebuild today anyway
chunk.Items.Add(new BoxPreviewVM(ae, Date, ItemGotFocus));
chunk.IsDirty = true;
SaveChunks(force: true);
//this handler can only affect today so we only refresh this one view
if (rebulidViews)
{
Refresh(null);
}
}
void ItemGotFocus(BoxPreviewVM itemVM)
{
LastFocusedChunk = null;
LastFocusedBoxId = itemVM.Persistent.Box.RowId;
DraggableBoxVM = itemVM;
}
//handler for result of drag onto another boxpreview
void DropUnderBox(BoxDragInfo di, BoxPreviewVM target)
{
//allowed?
if (di.Box.TimeType >= Constants.TIMETYPE_MINUTE)
{
UIGlobals.Do.ShowTimedMessge("Cannot drag tasks scheduled for an exact time; instead, open the task and change the time");
return;
}
if (!di.Box.BoxTime.StartsWith(Date))
{
if (!VM.ContainsBoxId(di.Box.RowId))
{
UIGlobals.Do.ShowTimedMessge("Cannot drag task to a different day");
return;
}
}
//get target chunk and position of this target previewbox in that chunk
TodayVM.ChunkVM targetChunk = null;
int indexInTarget = -1;
foreach (var ch in VM.Chunks)
{
for (int i = 0; i < ch.Items.Count; ++i)
{
if (ReferenceEquals(ch.Items[i].Persistent.Box, target.Persistent.Box))
{
targetChunk = ch;
indexInTarget = i;
goto escape1;
}
}
}
escape1:
if (targetChunk == null) //should not happen
{
UIGlobals.Do.ShowTimedMessge("Cannot drag task: unexpected error");
return;
}
//what time is represented by the drop location?
var timesInChunk = targetChunk.Items.Select(bp => bp.Persistent.Time).OrderBy(s => s).ToArray();
string time1 = target.Persistent.Box.BoxTime;
string time2 = Date + "2359";
if (indexInTarget < targetChunk.Items.Count - 1)
{
time2 = targetChunk.Items[indexInTarget + 1].Persistent.Box.BoxTime;
}
string halfTime = DateUtil.HalfWayBetween(time1, time2);
//change time and save box
try
{
var ebox = Globals.UI.LoadBoxForEditing(di.Box.RowId);
ebox.Box.BoxTime = halfTime;
Globals.UI.SaveBox(ebox, false);
}
catch (Exception ex)
{
UIGlobals.Do.ShowTimedMessge("Could not move: " + ex.Message);
return;
}
//inherit chunk from target and rebuild views
MoveBoxToChunk(di.Box, targetChunk, true);
}
void HandleTimeClicked(BoxPreviewVM pvm, FrameworkElement eventSource)
{
LastFocusedChunk = null;
LastFocusedBoxId = pvm.Persistent.Box.RowId;
DraggableBoxVM = pvm;
}