// The main work is done here.
// Find out if smart folder mode is being used
// If false, return active image based on aspectValue.
// If true, calculate correct icon to show depending on aspectValue and all parent values.
// If a parent is true, the icon will be active and based on aspectValue.
// If a parent is false, the icon will be inactive and based on aspectValue.
public override void Render(Graphics g, Rectangle r)
{
this.DrawBackground(g, r);
r = this.ApplyCellPadding(r);
Image image = null;
bool? aspectValue = this.Aspect as bool?;
// Is the listItem enabled? If so, we need to calculate the correct active/inactive icon.
if (ListItem.Enabled)
{
NlmTreeListView ListView = this.ListView as NlmTreeListView;
if (ListView.SmartFolderMode)
{
BaseTreeNode baseTreeNode = this.RowObject as BaseTreeNode;
bool parentValue = true;
while (baseTreeNode.Parent != null)
{
INLMColumn nlmColumn = this.Column as INLMColumn;
if ((Boolean?)nlmColumn.AspectEngine.GetAspect(baseTreeNode.Parent) == false)
{
parentValue = false;
break;
}
baseTreeNode = baseTreeNode.Parent;
}
if (parentValue)
{
image = GetActiveImage(aspectValue);
}
else
{
image = GetInactiveImage(aspectValue);
}
}
// Dumb folder mode is a lot simpler :)
else
{
image = GetActiveImage(aspectValue);
}
}
// If the item is disabled we want it to have 50% opacity, so we always use the inactive image.
else
{
image = GetInactiveImage(aspectValue);
}
// Finally, after all that work, let's draw the image.
if (image != null)
{
this.DrawAlignedImage(g, r, image);
}
}
public Boolean Click(OlvListViewHitTestInfo hti)
{
if (hti.ColumnIndex > 0)
{
if (hti.Column == ListView.NlmColumns.ColorColumn)
{
// Should the check states be changed on the selection, or on an item outside of selection.
// If inside selection, suppress change in selection by returning true.
// If outside selection, change the single item and return false.
if (hti.Item.Selected)
{
NlmMaxColorPicker colorPicker = new NlmMaxColorPicker(hti, true, ListView);
colorPicker.ShowModeless();
return(true);
}
else
{
NlmMaxColorPicker colorPicker = new NlmMaxColorPicker(hti, false, ListView);
colorPicker.ShowModeless();
// Returning false annoyingly pushes the window to the back.
// TODO: Somehow make this dialog modal, or at least parented to 3ds Max, and sort out the focus issue.
return(true);
}
}
if (hti.Column == ListView.NlmColumns.CurrentColumn)
{
BaseTreeNode treeNode = hti.RowObject as BaseTreeNode;
if (treeNode is LayerTreeNode)
{
ListView.BeginUpdate();
hti.Column.PutValue(treeNode, true);
ListView.EndUpdate();
}
return(hti.Item.Selected);
}
else
{
Boolean htiItemSelected = hti.Item.Selected;
INLMColumn column = hti.Column as INLMColumn;
// Should the check states be changed on the selection, or on an item outside of selection.
// If inside selection, suppress change in selection by returning true.
// If outside selection, change the single item and return false.
if (htiItemSelected)
{
column.AspectEngine.ToggleCheckStates(hti.RowObject);
ListView.RefreshObjects(ListView.SelectedObjects);
}
else
{
column.AspectEngine.ToggleCheckState(hti.RowObject);
ListView.RefreshObject(hti.RowObject);
}
MaxUI.RedrawViewportsNow();
return(htiItemSelected);
}
}
return(false);
// Returning true means selection does not change, returning false means it does.
}
