Exemplo n.º 1
0
        internal void OnNodeChanged(object sender, NodeEventArgsType e, object oParam)
        {
            object       obj2     = oParam;
            Node         r        = (Node)sender;
            NodeTemplate template = this.GetTemplate(r);

            switch (e)
            {
            case NodeEventArgsType.Selection:
                if (!((bool)oParam))
                {
                    this.SetSelected(null);
                    return;
                }
                this.SetSelected(r);
                return;

            case NodeEventArgsType.TemplateIndex:
            {
                int          offset    = 0;
                NodeTemplate template2 = this.GetTemplate(r, (int)oParam);
                offset -= template2.GetHeight(r);
                r.ResetCachedBounds(null);
                offset += template.GetHeight(r);
                this.OnChanged(base.List.IndexOf(r), new TreeResizeEventArgs(offset));
                return;
            }

            case NodeEventArgsType.BeforeExpand:
                this.OnChanged(this, new TreeChangedEventArgs(TreeEventArgsType.BeforeExpand, oParam));
                return;

            case NodeEventArgsType.AfterExpand:
                this.OnChanged(this, new TreeRefreshEventArgs(true));
                this.OnChanged(this, new TreeChangedEventArgs(TreeEventArgsType.AfterExpand, oParam));
                return;

            case NodeEventArgsType.BeforeCollapse:
                this.OnChanged(this, new TreeChangedEventArgs(TreeEventArgsType.BeforeCollapse, oParam));
                return;

            case NodeEventArgsType.AfterCollapse:
                this.OnChanged(this, new TreeRefreshEventArgs(true));
                this.OnChanged(this, new TreeChangedEventArgs(TreeEventArgsType.AfterCollapse, oParam));
                return;
            }
            if ((template != null) && template.AutoHeight)
            {
                int actualHeight = r.ActualHeight;
                r.ResetCachedBounds(null);
                int height = template.GetHeight(r);
                if (height != actualHeight)
                {
                    this.OnChanged(base.List.IndexOf(r), new TreeResizeEventArgs(height - actualHeight));
                    return;
                }
            }
            this.OnChanged(base.List.IndexOf(sender), new TreeChangedEventArgs(TreeEventArgsType.NodeChange, obj2));
        }
Exemplo n.º 2
0
        internal int Draw(Graphics gr, TemplateSet ts, int width, int ymax, int ymin, int iNode, int iNodeOffset, ref bool resetScrollbar)
        {
            int yOffset = iNodeOffset;
            int count   = base.List.Count;

            this.LastDrawnNodeOffset = yOffset;
            this.LastDrawnNode       = iNode;
            while (this.LastDrawnNode < count)
            {
                Node node = null;
                if ((this.LastDrawnNode >= 0) && (this.LastDrawnNode < base.InnerList.Count))
                {
                    node = base.InnerList[this.LastDrawnNode] as Node;
                }
                if (node != null)
                {
                    NodeTemplate template = node.GetTemplate(ts);
                    int          height   = 0;
                    int          num4     = -1;
                    int          xOffset  = node.Level * this.m_AdvancedTree.NodeIndent;
                    if (template.CustomizeCells(node))
                    {
                        num4 = template.GetHeight(node);
                        node.ResetCachedBounds(null);
                    }
                    height = template.GetHeight(node);
                    if ((num4 >= 0) && (height != num4))
                    {
                        resetScrollbar = true;
                    }
                    if ((yOffset + height) >= ymin)
                    {
                        template.Draw(gr, xOffset, yOffset, node, width, -1);
                    }
                    this.LastDrawnNodeOffset = yOffset;
                    yOffset += height;
                    if (this.AdvancedTree.GridLines)
                    {
                        if (yOffset >= 0)
                        {
                            gr.DrawLine(this.m_AdvancedTree.m_penBorder, 0, yOffset, this.AdvancedTree.Width, yOffset);
                        }
                        yOffset++;
                    }
                    if (node.IsExpanded)
                    {
                        yOffset = node.Nodes.Draw(gr, ts, width, ymax, ymin, 0, yOffset, ref resetScrollbar);
                    }
                    if (yOffset > ymax)
                    {
                        return(yOffset);
                    }
                }
                this.LastDrawnNode++;
            }
            this.LastDrawnNodeOffset = yOffset;
            return(yOffset);
        }