internal override void OnPropertyClicked(PropertyEnumerator enumSelf, Point point, Rectangle itemRect)
{
if ((ParentGrid.Enabled == false) && (ParentGrid.DisableMode != PropertyGrid.DisableModes.None))
return;
Rectangle labelRect = GetLabelTextRect(itemRect, enumSelf);
if (labelRect.Contains(point))
{
PropertyHyperLinkClickedEventArgs ev = new PropertyHyperLinkClickedEventArgs(enumSelf, HyperLink);
ParentGrid.OnHyperLinkPropertyClicked(ev);
}
}
internal override void OnPropertyClicked(PropertyEnumerator enumSelf, Point point, Rectangle itemRect)
{
if ((ParentGrid.Enabled == false) && (ParentGrid.DisableMode != PropertyGrid.DisableModes.None))
{
return;
}
Rectangle labelRect = GetLabelTextRect(itemRect, enumSelf);
if (labelRect.Contains(point))
{
PropertyHyperLinkClickedEventArgs ev = new PropertyHyperLinkClickedEventArgs(enumSelf, HyperLink);
ParentGrid.OnHyperLinkPropertyClicked(ev);
}
}
protected override void OnKeyDown(KeyEventArgs e)
{
// If only Control is clicked we simulate a mouse move so that the cursor could be updated on
// a hyperlink property.
if (e.KeyCode == Keys.ControlKey)
{
if (_currentInPlaceControl != null)
{
Win32Calls.RECT rect = new Win32Calls.RECT();
Win32Calls.GetWindowRect(_currentInPlaceControl.Handle, ref rect);
Rectangle bounds = Rectangle.FromLTRB(rect.Left, rect.Top, rect.Right, rect.Bottom);
if (bounds.Contains(MousePosition))
{
base.OnKeyDown(e);
return;
}
}
Rectangle itemRect;
Point pt = PointToClient(MousePosition);
PropertyEnumerator propEnum = PropertyItemFromPoint(pt, out itemRect);
if (propEnum.Property != null)
propEnum.Property.OverrideCursor(pt, itemRect, propEnum);
base.OnKeyDown(e);
return;
}
Property selectedProperty = _selectedPropertyEnum.Property;
if (selectedProperty != null)
{
// Hide the tooltip if it is visible
// if (ToolTip != null)
// ToolTip.SetText("", null);
if (_currentInPlaceControl != null)
{
IInPlaceControl c = (_currentInPlaceControl as IInPlaceControl);
if ((c != null) && c.OnParentKeyDown(e))
return;
}
switch (e.KeyCode)
{
case Keys.F4:
{
if ((_currentInPlaceControl != null) && (e.Modifiers == 0))
{
IInPlaceControl c = (_currentInPlaceControl as IInPlaceControl);
if (c != null)
{
c.OnF4();
}
}
break;
}
case Keys.Space:
case Keys.Return:
{
if ((SelectedPropertyEnumerator.Property.CanBeDisabledManually) && (e.KeyCode == Keys.Space))
{
if (SelectedPropertyEnumerator.HasParent == false)
{
EnableProperty(SelectedPropertyEnumerator, !SelectedPropertyEnumerator.Property.Enabled);
#if _DOTNET2
e.SuppressKeyPress = true;
#else
HandleRef handle = new HandleRef(this, this.Handle);
Win32Calls.RemovePendingMessages(handle, 0x102, 0x102);
Win32Calls.RemovePendingMessages(handle, 0x106, 0x106);
Win32Calls.RemovePendingMessages(handle, 0x286, 0x286);
e.Handled = true;
#endif
}
else
{
// The user can press on the checkbox only if its parent category is enabled
if (SelectedPropertyEnumerator.Parent.Property.Enabled)
{
EnableProperty(SelectedPropertyEnumerator, !SelectedPropertyEnumerator.Property.Enabled);
#if _DOTNET2
e.SuppressKeyPress = true;
#else
HandleRef handle = new HandleRef(this, this.Handle);
Win32Calls.RemovePendingMessages(handle, 0x102, 0x102);
Win32Calls.RemovePendingMessages(handle, 0x106, 0x106);
Win32Calls.RemovePendingMessages(handle, 0x286, 0x286);
e.Handled = true;
#endif
}
}
}
// TODO : the following code should not be in this class.
else if (SelectedPropertyEnumerator.Property is PropertyHyperLink)
{
if (SelectedPropertyEnumerator.Property.Enabled)
{
PropertyHyperLinkClickedEventArgs ev = new PropertyHyperLinkClickedEventArgs(SelectedPropertyEnumerator, SelectedPropertyEnumerator.Property.HyperLink);
_parentCtrl.OnHyperLinkPropertyClicked(ev);
}
}
else if (HasOneVisibleChild(SelectedPropertyEnumerator))
{
Property property = SelectedPropertyEnumerator.Property;
ExpandProperty(SelectedPropertyEnumerator, !property.Expanded);
}
break;
}
case Keys.Right: // Opens the item if it is a closed category
case Keys.Add:
{
if ((e.KeyCode == Keys.Right) && (ModifierKeys == Keys.Control))
{
SetLabelColumnWidthRatio((double)(LabelColumnWidth + 3) / (ClientRectangle.Width - LeftColumnWidth));
break;
}
if (SelectedPropertyEnumerator.Children.Count > 0)
{
Property property = SelectedPropertyEnumerator.Property;
if (!property.Expanded && HasOneVisibleChild(SelectedPropertyEnumerator))
{
ExpandProperty(SelectedPropertyEnumerator, true);
break;
}
}
if (e.KeyCode == Keys.Add)
break;
goto case Keys.Down;
}
case Keys.Down: // Moves the selected item down
{
if (e.Modifiers == Keys.Alt)
{
if (_currentInPlaceControl != null)
{
IInPlaceControl c = (_currentInPlaceControl as IInPlaceControl);
if ((c != null) && !SelectedPropertyEnumerator.Property.Value.IsReadOnly(SelectedPropertyEnumerator))
{
c.OnF4();
break;
}
}
}
PropertyVisibleDeepEnumerator nextEnum = new PropertyVisibleDeepEnumerator(_selectedPropertyEnum.Node);
nextEnum.MoveNext();
Property nextProperty = nextEnum.Property;
if (nextProperty != null)
{
Rectangle clientRect = ClientRectangle;
Rectangle itemRect = GetAbsoluteItemRect(nextEnum);
if (itemRect.Top < clientRect.Top) // Test if the item is above the top of the grid
{
while (true)
{
Win32Calls.SendMessage(Handle, Win32Calls.WM_VSCROLL, Win32Calls.MakeLong(Win32Calls.SB_LINEUP, 0), 0);
itemRect = GetAbsoluteItemRect(nextEnum);
if (itemRect.Top == clientRect.Top)
break;
}
Win32Calls.SendMessage(Handle, Win32Calls.WM_VSCROLL, Win32Calls.MakeLong(Win32Calls.SB_ENDSCROLL, 0), 0);
}
else if (itemRect.Bottom > clientRect.Bottom) // Test if the item is below the bottom of the grid
{
// We scroll in a loop because the item may have a row height greater than the base row height
// if the current selected item is the last one displayed
// (TODO: we could be more performant by avoiding scrolls and directly calculating which property
// needs to be the first displayed)
_parentCtrl.BeginUpdate(); // To avoid the remancence of the inplace control
do
{
Win32Calls.SendMessage(Handle, Win32Calls.WM_VSCROLL, Win32Calls.MakeLong(Win32Calls.SB_LINEDOWN, 0), 0);
itemRect = GetAbsoluteItemRect(nextEnum);
}
while ((itemRect.Bottom > clientRect.Bottom) && (itemRect.Top > clientRect.Top));
Win32Calls.SendMessage(Handle, Win32Calls.WM_VSCROLL, Win32Calls.MakeLong(Win32Calls.SB_ENDSCROLL, 0), 0);
_parentCtrl.EndUpdate();
}
SelectProperty(nextEnum);
}
break;
}
case Keys.Left: // Closes the item if it is an expanded category
case Keys.Subtract:
{
if ((e.KeyCode == Keys.Left) && (ModifierKeys == Keys.Control))
{
SetLabelColumnWidthRatio((double)(LabelColumnWidth - 3) / (ClientRectangle.Width - LeftColumnWidth));
break;
}
if (SelectedPropertyEnumerator.Children.Count > 0)
{
Property property = SelectedPropertyEnumerator.Property;
if (property.Expanded && HasOneVisibleChild(SelectedPropertyEnumerator))
{
ExpandProperty(SelectedPropertyEnumerator, false);
break;
}
}
if (e.KeyCode == Keys.Subtract)
break;
goto case Keys.Up;
}
case Keys.Up: // Moves the selected item up
{
PropertyVisibleDeepEnumerator prevEnum = new PropertyVisibleDeepEnumerator(_selectedPropertyEnum.Node);
prevEnum.MovePrev();
Property prevProperty = prevEnum.Property;
if (prevProperty != null)
{
Rectangle clientRect = ClientRectangle;
Rectangle itemRect = GetAbsoluteItemRect(prevEnum);
if (itemRect.Top < clientRect.Top)
{
_firstDisplayedLine = 1;
FirstDisplayedProperty = prevEnum;
}
else if (itemRect.Bottom > clientRect.Bottom)
{
while(true)
{
Win32Calls.SendMessage(Handle, Win32Calls.WM_VSCROLL, Win32Calls.MakeLong(Win32Calls.SB_LINEDOWN, 0), 0);
itemRect = GetAbsoluteItemRect(prevEnum);
if (itemRect.Bottom < clientRect.Bottom)
break;
}
Win32Calls.SendMessage(Handle, Win32Calls.WM_VSCROLL, Win32Calls.MakeLong(Win32Calls.SB_ENDSCROLL, 0), 0);
}
SelectProperty(prevEnum);
}
break;
}
case Keys.Next:
{
Rectangle clientRect = ClientRectangle;
int itemsPerPage = clientRect.Height / _basicPropertyHeight - 1;
Rectangle itemRect = GetAbsoluteItemRect(SelectedPropertyEnumerator);
// Find the item one page down
int count = 0;
PropertyEnumerator propEnum = SelectedPropertyEnumerator.GetVisibleDeepEnumerator();
int lineCount = (propEnum == FirstDisplayedProperty ? _firstDisplayedLine : 1);
while ((count < itemsPerPage) && (propEnum != propEnum.RightBound))
{
if (lineCount == propEnum.Property.HeightMultiplier)
{
propEnum.MoveNext();
lineCount = 1;
}
else
lineCount++;
count++;
}
// Selected item is above the grid ?
if (itemRect.Bottom < clientRect.Top)
{
if (propEnum == propEnum.RightBound)
{
propEnum.MovePrev();
_firstDisplayedLine = propEnum.Property.HeightMultiplier;
}
else
_firstDisplayedLine = lineCount;
SelectProperty(propEnum);
EnsureVisible(propEnum);
}
// Selected item is in or below the grid ?
else
{
if (propEnum == propEnum.RightBound) // Not a complete page down because at the far bottom ?
{
propEnum.MovePrev();
lineCount = propEnum.Property.HeightMultiplier;
PropertyVisibleDeepEnumerator propertyToSelectEnum = propEnum.GetVisibleDeepEnumerator();
count = itemsPerPage;
while ((propEnum != _activePropertyCollection.GetVisibleDeepEnumerator().MoveFirst()) && (count > 0))
{
if (lineCount > 1)
lineCount--;
else
{
propEnum.MovePrev();
lineCount = propEnum.Property.HeightMultiplier;
}
count--;
}
_firstDisplayedLine = lineCount;
FirstDisplayedProperty = propEnum as PropertyVisibleDeepEnumerator;
SelectProperty(propertyToSelectEnum);
}
else
{
// The grid height is to small to properly page down ?
if (itemsPerPage < propEnum.Property.HeightMultiplier)
{
// Advance one item
if (propEnum != _activePropertyCollection.GetVisibleDeepEnumerator().MoveLast())
{
if (propEnum == SelectedPropertyEnumerator)
propEnum.MoveNext();
_firstDisplayedLine = 1;
FirstDisplayedProperty = propEnum as PropertyVisibleDeepEnumerator;
SelectProperty(propEnum);
}
}
else
{
FirstDisplayedProperty = SelectedPropertyEnumerator;
SelectProperty(propEnum);
}
}
}
Invalidate();
break;
}
case Keys.Prior:
{
Rectangle clientRect = ClientRectangle;
int itemsPerPage = clientRect.Height / _basicPropertyHeight - 1;
// Find the item one page up
int count = 0;
PropertyVisibleDeepEnumerator enumerator = SelectedPropertyEnumerator.GetVisibleDeepEnumerator();
int lineCount = enumerator.Property.HeightMultiplier;
while ((count < itemsPerPage) && (enumerator != _activePropertyCollection.GetVisibleDeepEnumerator().MoveFirst()))
{
if (lineCount == 1)
{
enumerator.MovePrev();
lineCount = enumerator.Property.HeightMultiplier;
}
else
lineCount--;
count++;
}
if ((count == 0) && (enumerator != _activePropertyCollection.GetVisibleDeepEnumerator().MoveFirst()))
{
enumerator.MovePrev();
count = 1;
}
Rectangle itemRect = GetAbsoluteItemRect(enumerator);
// Is the new selected item in the grid ?
if ((itemRect.Top >= clientRect.Top) && (itemRect.Bottom < clientRect.Bottom))
SelectProperty(enumerator);
// Is the new selected item below the grid ?
else if (itemRect.Bottom > clientRect.Bottom)
{
PropertyEnumerator currentEnum = enumerator.GetVisibleDeepEnumerator();
lineCount = 1;
while((count > 0) && (currentEnum != _activePropertyCollection.GetVisibleDeepEnumerator().MoveFirst()))
{
if (lineCount == 1)
{
currentEnum.MovePrev();
lineCount = currentEnum.Property.HeightMultiplier;
}
else
lineCount--;
count--;
}
FirstDisplayedProperty = currentEnum as PropertyVisibleDeepEnumerator;
SelectProperty(enumerator);
}
// Is the new selected item above the grid ?
else if (itemRect.Top < clientRect.Top)
{
_firstDisplayedLine = 1;
FirstDisplayedProperty = enumerator;
SelectProperty(FirstDisplayedProperty);
}
Refresh();
break;
}
case Keys.Home:
{
Win32Calls.SetScrollPos(Handle, Win32Calls.SB_VERT, 0, true);
_firstDisplayedPropertyEnumerator = _activePropertyCollection.GetVisibleDeepEnumerator();
_firstDisplayedPropertyEnumerator.MoveFirst();
_firstDisplayedLine = 1;
SelectProperty(FirstDisplayedProperty);
break;
}
case Keys.End:
{
Rectangle clientRect = ClientRectangle;
_firstDisplayedPropertyEnumerator = _activePropertyCollection.GetVisibleDeepEnumerator();
_firstDisplayedPropertyEnumerator.MoveLast();
_firstDisplayedLine = 1;
PropertyVisibleDeepEnumerator currentEnum = _firstDisplayedPropertyEnumerator.GetVisibleDeepEnumerator();
Rectangle itemRect = GetItemRect(currentEnum);
while ((_firstDisplayedPropertyEnumerator != _activePropertyCollection.GetVisibleDeepEnumerator().MoveFirst()) && (clientRect.Bottom - itemRect.Bottom > _basicPropertyHeight))
{
if (_firstDisplayedLine > 1)
_firstDisplayedLine--;
else
{
_firstDisplayedPropertyEnumerator.MovePrev();
_firstDisplayedLine = _firstDisplayedPropertyEnumerator.Property.HeightMultiplier;
}
itemRect = GetItemRect(currentEnum);
}
Win32Calls.SCROLLINFO si = new Win32Calls.SCROLLINFO();
si.cbSize = Marshal.SizeOf(si);
si.fMask = Win32Calls.SIF_PAGE | Win32Calls.SIF_RANGE;
Win32Calls.GetScrollInfo(Handle, Win32Calls.SB_VERT, ref si);
Win32Calls.SetScrollPos(Handle, Win32Calls.SB_VERT, si.nMax - (si.nPage - 1), true);
PropertyVisibleDeepEnumerator lastEnum = _activePropertyCollection.GetVisibleDeepEnumerator();
lastEnum.MoveLast();
SelectProperty(lastEnum);
break;
}
case Keys.A:
{
if (e.Control)
{
if (_multiSelectMode == PropertyGrid.MultiSelectModes.SameLevel)
{
// Find the parent of the concerned level
PropertyEnumerator ancestorEnum;
if (SelectedPropertyEnumerator.Children.Count == 0)
ancestorEnum = SelectedPropertyEnumerator.Parent;
else
ancestorEnum = SelectedPropertyEnumerator;
// And browse all properties at this level and under
PropertyEnumerator propEnum = ancestorEnum.Children.GetVisibleDeepEnumerator();
propEnum.RestrictedToThisLevelAndUnder = true;
while(propEnum != ancestorEnum.Children.RightBound)
{
if (_parentCtrl.OnValidateMultiSelection(SelectedPropertyEnumerator, propEnum as PropertyVisibleDeepEnumerator))
{
propEnum.Property.SelectedInternal = true;
_multiSelectedItems.Add(propEnum);
}
propEnum.MoveNext();
}
Invalidate();
}
else if (_multiSelectMode == PropertyGrid.MultiSelectModes.Global)
{
PropertyEnumerator propEnum = _activePropertyCollection.GetVisibleDeepEnumerator();
propEnum.MoveFirst();
while (propEnum != propEnum.RightBound)
{
if ((propEnum != SelectedPropertyEnumerator) && (propEnum.Children.Count == 0))
{
if (_parentCtrl.OnValidateMultiSelection(SelectedPropertyEnumerator, propEnum as PropertyVisibleDeepEnumerator))
{
propEnum.Property.SelectedInternal = true;
_multiSelectedItems.Add(propEnum);
}
}
propEnum.MoveNext();
}
Invalidate();
}
}
break;
}
}
}
base.OnKeyDown(e);
}
