protected override ContextMenuStrip GetMultiselectContextMenu(ItemsContextMenuRequestEventArgs requestEventArgs)
{
var stagedStatus = StagedStatus.None;
var items = new TreeItem[requestEventArgs.Items.Count];
int id = 0;
foreach(var item in requestEventArgs.Items)
{
var treeItem = ((ITreeItemListItem)item).TreeItem;
items[id++] = treeItem;
stagedStatus |= treeItem.StagedStatus;
}
ContextMenuStrip menu;
switch(stagedStatus)
{
case StagedStatus.Staged:
menu = new ContextMenuStrip();
menu.Items.Add(GuiItemFactory.GetUnstageItem<ToolStripMenuItem>(_repository, items));
break;
case StagedStatus.Unstaged:
menu = new ContextMenuStrip();
menu.Items.Add(GuiItemFactory.GetStageItem<ToolStripMenuItem>(_repository, items));
if(HasRevertableItems(items))
{
menu.Items.Add(GuiItemFactory.GetRevertPathsItem<ToolStripMenuItem>(items));
}
break;
default:
menu = null;
break;
}
if(menu != null)
{
Utility.MarkDropDownForAutoDispose(menu);
}
return menu;
}
protected override ContextMenuStrip GetMultiselectContextMenu(ItemsContextMenuRequestEventArgs requestEventArgs)
{
if(requestEventArgs.Items.Count != 2) return null;
var revisions = new List<Revision>(requestEventArgs.Items.Count);
foreach(var item in requestEventArgs.Items)
{
var revItem = item as RevisionListItem;
if(revItem != null)
{
revisions.Add(revItem.DataContext);
}
}
if(revisions.Count == 2)
{
var menu = new RevisionsMenu(revisions);
Utility.MarkDropDownForAutoDispose(menu);
return menu;
}
else
{
return null;
}
}
protected override void OnPreviewKeyDown(PreviewKeyDownEventArgs e)
{
e.IsInputKey = true;
switch(e.KeyCode)
{
case Keys.Enter:
if(_itemFocus.IsTracked)
{
var item = _itemFocus.Item;
item.Activate();
}
break;
case Keys.Escape:
if(_columnResizeProcess != null)
{
_columnResizeProcess.Cancel();
_columnResizeProcess = null;
}
break;
case Keys.Right:
if(_itemPlainList.Count == 0) return;
if(_itemFocus.Index < 0 || _itemFocus.Index >= _itemPlainList.Count)
{
FocusAndSelectItem(0);
}
else
{
var item = _itemPlainList[_itemFocus.Index];
if(item.Items.Count == 0) return;
if(item.IsExpanded)
{
FocusAndSelectItem(_itemFocus.Index + 1);
}
else
{
item.IsExpanded = true;
}
}
break;
case Keys.Left:
if(_itemPlainList.Count == 0) return;
if(_itemFocus.Index < 0 || _itemFocus.Index >= _itemPlainList.Count)
{
FocusAndSelectItem(_itemPlainList.Count - 1);
}
else
{
var item = _itemPlainList[_itemFocus.Index];
if(item.IsExpanded)
{
if(_showRootTreeLines || item.Level != 0)
{
item.IsExpanded = false;
}
}
else
{
if(item.Parent == null) return;
FocusAndSelectItem(_itemPlainList.IndexOf(item.Parent));
}
}
break;
case Keys.Home:
if(_itemPlainList.Count == 0) return;
if(_itemFocus.Index != 0)
{
FocusAndSelectItem(0);
}
else
{
EnsureVisible(_itemFocus.Index);
}
break;
case Keys.End:
if(_itemPlainList.Count == 0) return;
if(_itemFocus.Index != _itemPlainList.Count - 1)
{
FocusAndSelectItem(_itemPlainList.Count - 1);
}
else
{
EnsureVisible(_itemFocus.Index);
}
break;
case Keys.PageUp:
if(_itemPlainList.Count == 0) return;
{
var index = _itemFocus.Index - GetItemsOnPage();
if(index < 0) index = 0;
if(_itemFocus.Index != index)
{
FocusAndSelectItem(index);
}
else
{
EnsureVisible(_itemFocus.Index);
}
}
break;
case Keys.PageDown:
if(_itemPlainList.Count == 0) return;
{
var index = _itemFocus.Index + GetItemsOnPage();
if(index >= _itemPlainList.Count) index = _itemPlainList.Count - 1;
if(_itemFocus.Index != index)
{
FocusAndSelectItem(index);
}
else
{
EnsureVisible(_itemFocus.Index);
}
}
break;
case Keys.Up:
if(_itemPlainList.Count == 0) return;
if(_itemFocus.Index > 0)
{
int index = _itemFocus.Index - 1;
if(Control.ModifierKeys == Keys.Control)
{
FocusItem(index);
}
else
{
FocusAndSelectItem(index);
}
}
break;
case Keys.Down:
if(_itemPlainList.Count == 0) return;
if(_itemFocus.Index < _itemPlainList.Count - 1)
{
int index = _itemFocus.Index + 1;
if(Control.ModifierKeys == Keys.Control)
{
FocusItem(index);
}
else
{
FocusAndSelectItem(index);
}
}
break;
case Keys.Space:
switch(_selectedItems.Count)
{
case 0:
if(_itemFocus.IsTracked)
{
FocusAndSelectItem(_itemFocus.Index);
}
break;
default:
if(Control.ModifierKeys == Keys.Control)
{
if(_itemFocus.IsTracked)
{
var item = _itemPlainList[_itemFocus.Index];
if(item.IsSelected)
{
_selectedItems.Remove(item);
InvalidateItem(_itemFocus.Index);
}
else if(_multiselect)
{
_selectedItems.Add(item);
InvalidateItem(_itemFocus.Index);
}
}
}
else
{
if(_selectedItems.Count == 1)
{
if(_showCheckBoxes)
{
var item = _selectedItems[0];
switch(item.CheckedState)
{
case CheckedState.Checked:
item.CheckedState = CheckedState.Unchecked;
break;
case CheckedState.Unchecked:
item.CheckedState = CheckedState.Checked;
break;
}
}
else
{
FocusAndSelectItem(_itemFocus.Index);
}
}
}
break;
}
break;
case Keys.A:
if(_multiselect && Control.ModifierKeys == Keys.Control)
{
if(_selectedItems.Count != _itemPlainList.Count)
{
_selectedItems.Clear();
_selectedItems.AddRange(_itemPlainList);
Invalidate(_itemsArea);
}
}
break;
case (Keys)0x5D:
{
ToolStripDropDown menu;
var p = _itemsArea.Location;
p.X += _itemHeight / 2;
int columnIndex = -1;
CustomListBoxColumn column = null;
for(int i = 0; i < _columns.Count; ++i)
{
if(_columns[i].IsVisible)
{
columnIndex = i;
column = _columns[i];
break;
}
}
switch(_selectedItems.Count)
{
case 0:
{
var args = new ContextMenuRequestEventArgs(column, columnIndex, p.X, p.Y);
Events.Raise(ContextMenuRequestedEvent, this, args);
if(args.OverrideDefaultMenu)
{
menu = args.ContextMenu;
}
else
{
menu = GetFreeSpaceContextMenu(args);
}
}
break;
case 1:
{
var index = _itemPlainList.IndexOf(_selectedItems[0]);
EnsureVisible(index);
p.Y = GetItemY1Offset(index) + _itemsArea.Top + _itemHeight / 2;
var args = new ItemContextMenuRequestEventArgs(_selectedItems[0], column, columnIndex, p.X, p.Y);
Events.Raise(ItemContextMenuRequestedEvent, this, args);
if(args.OverrideDefaultMenu)
{
menu = args.ContextMenu;
}
else
{
menu = _selectedItems[0].GetContextMenu(args);
}
}
break;
default:
{
var args = new ItemsContextMenuRequestEventArgs(_selectedItems, column, columnIndex, p.X, p.Y);
Events.Raise(ItemsContextMenuRequestedEvent, this, args);
if(args.OverrideDefaultMenu)
{
menu = args.ContextMenu;
}
else
{
menu = GetMultiselectContextMenu(args);
}
}
break;
}
if(menu != null)
{
menu.Renderer = Style.ToolStripRenderer;
menu.Show(this, p, ToolStripDropDownDirection.Default);
}
}
break;
default:
e.IsInputKey = false;
break;
}
base.OnPreviewKeyDown(e);
}
private void HandleItemDefaultMouseDown(int itemIndex, MouseEventArgs e)
{
EnsureVisible(itemIndex);
switch(Control.ModifierKeys)
{
case Keys.Control:
if(_multiselect)
{
var id = _selectedItems.IndexOf(_itemPlainList[itemIndex]);
if(id != -1)
{
_selectedItems.RemoveAt(id);
}
else
{
_itemFocus.Track(itemIndex, _itemPlainList[itemIndex]);
_selectedItems.Add(_itemPlainList[itemIndex]);
}
InvalidateItem(itemIndex);
_lastClickedItemIndex = itemIndex;
}
break;
case Keys.Shift:
if(_multiselect)
{
int startId = _lastClickedItemIndex;
if(startId == -1) startId = _itemFocus.Index;
if(startId == -1) startId = 0;
int endId = itemIndex;
if(endId < startId)
{
var temp = endId;
endId = startId;
startId = temp;
}
int minY = GetItemY1Offset(startId);
int maxY = GetItemY2Offset(endId);
for(int i = 0; i < _selectedItems.Count; ++i)
{
int id = _itemPlainList.IndexOf(_selectedItems[i]);
var y1 = GetItemY1Offset(id);
if(y1 >= _itemsArea.Height || y1 <= -_itemHeight)
{
continue;
}
var y2 = y1 + _itemHeight - 1;
if(y1 < minY) minY = y1;
if(y2 > maxY) maxY = y2;
}
_selectedItems.Clear();
for(int i = startId; i <= endId; ++i)
{
_selectedItems.Add(_itemPlainList[i]);
}
Invalidate(Rectangle.Intersect(_itemsArea, new Rectangle(_itemsArea.X, _itemsArea.Y + minY, _itemsArea.Width, maxY - minY + 1)));
}
break;
default:
var item = _itemPlainList[itemIndex];
if(e.Button != MouseButtons.Right || !_multiselect || !item.IsSelected)
{
_itemFocus.Track(itemIndex, item);
_lastClickedItemIndex = itemIndex;
var rc = GetItemDisplayRect(itemIndex);
if(_selectedItems.Count == 0)
{
_selectedItems.Add(item);
Invalidate(GetItemDisplayRect(itemIndex));
}
else
{
if(_selectedItems.Count == 1)
{
if(_selectedItems[0] != _itemPlainList[itemIndex])
{
var index = _itemPlainList.IndexOf(_selectedItems[0]);
_selectedItems[0] = item;
Invalidate(GetItemDisplayRect(index));
Invalidate(rc);
}
}
else
{
if(_selectedItems.Contains(item))
{
var indices = new int[_selectedItems.Count - 1];
int j = 0;
for(int i = 0; i < _selectedItems.Count; ++i)
{
if(_selectedItems[i] != item)
{
indices[j++] = _itemPlainList.IndexOf(_selectedItems[i]);
}
}
_selectedItems.Clear();
_selectedItems.Add(item);
for(int i = 0; i < indices.Length; ++i)
{
Invalidate(GetItemDisplayRect(indices[i]));
}
}
else
{
var indices = new int[_selectedItems.Count + 1];
indices[0] = itemIndex;
for(int i = 0; i < _selectedItems.Count; ++i)
{
indices[i + 1] = _itemPlainList.IndexOf(_selectedItems[i]);
}
_selectedItems.Clear();
_selectedItems.Add(item);
for(int i = 0; i < indices.Length; ++i)
{
Invalidate(GetItemDisplayRect(indices[i]));
}
}
}
}
item.OnMouseDown(e.Button, e.X - rc.X, e.Y - rc.Y);
}
switch(e.Button)
{
case MouseButtons.Left:
if(_itemActivation == ItemActivation.SingleClick)
{
item.Activate();
}
break;
case MouseButtons.Right:
if(!_disableContextMenus)
{
var x = e.X;
var y = e.Y;
var cid = GetColumn(ref x, y);
var col = (cid != -1) ? (_columns[cid]) : null;
switch(_selectedItems.Count)
{
case 1:
{
int cmnuX = e.X - _itemsArea.X;
int cmnuY = e.Y - _itemsArea.Y;
var args = new ItemContextMenuRequestEventArgs(item, col, cid, cmnuX, cmnuY);
Events.Raise(ItemContextMenuRequestedEvent, this, args);
var menu = args.OverrideDefaultMenu ?
args.ContextMenu :
item.GetContextMenu(args);
if(menu != null)
{
menu.Renderer = Style.ToolStripRenderer;
menu.Show(this, e.Location);
}
}
break;
default:
{
int cmnuX = e.X - _itemsArea.X;
int cmnuY = e.Y - _itemsArea.Y;
var args = new ItemsContextMenuRequestEventArgs(_selectedItems, col, cid, cmnuX, cmnuY);
Events.Raise(ItemsContextMenuRequestedEvent, this, args);
var menu = args.OverrideDefaultMenu ?
args.ContextMenu :
GetMultiselectContextMenu(args);
if(menu != null)
{
menu.Renderer = Style.ToolStripRenderer;
menu.Show(this, e.Location);
}
}
break;
}
}
break;
}
break;
}
}
protected virtual ContextMenuStrip GetMultiselectContextMenu(ItemsContextMenuRequestEventArgs requestEventArgs)
{
return null;
}