SourceCode/PROMS/DotNetBar Source Code/DotNetBarDesignTime/ToolboxControl/ToolboxGroupDesigner.cs

using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Windows.Forms;
using DevComponents.DotNetBar.Controls;

namespace DevComponents.DotNetBar.Design
{
    public class ToolboxGroupDesigner : ComponentDesignerWithAction
    {
        #region Implementation
        private DesignerActionListCollection _ActionLists = null;

        public override DesignerActionListCollection ActionLists
        {
            get
            {
                if (this._ActionLists == null)
                {
                    this._ActionLists = new DesignerActionListCollection();
                    this._ActionLists.Add(new ToolboxGroupActionList(this));
                }
                return this._ActionLists;
            }
        }

        public override System.Collections.ICollection AssociatedComponents
        {
            get
            {
                ToolboxGroup item = this.Component as ToolboxGroup;
                if (item.SubItems.Count == 0)
                    return base.AssociatedComponents;
                ArrayList items = new ArrayList();
                item.SubItems.CopyTo(items);
                return items;
            }
        }

        protected override void OnDesignerSelectionChanged(bool isSelected)
        {
            ToolboxGroup item = (ToolboxGroup)this.Component;
            if (isSelected && !item.Expanded)
            {
                item.Expanded = true;
            }
            base.OnDesignerSelectionChanged(isSelected);
        }

        public override void RecalcLayout()
        {
            ToolboxGroup item = this.Component as ToolboxGroup;
            if (item != null && item.GetToolboxControl() != null)
                item.GetToolboxControl().RecalcLayout();
        }

        public void MoveItemDown()
        {
            IComponentChangeService cc = (IComponentChangeService)GetService(typeof(IComponentChangeService));
            ToolboxGroup item = (ToolboxGroup)this.Component;
            BaseItem parent = item.Parent;
            if (parent == null) return;
            int index = parent.SubItems.IndexOf(item);
            if (index == parent.SubItems.Count - 1)
                return;

            cc.OnComponentChanging(parent, TypeDescriptor.GetProperties(parent)["SubItems"]);
            parent.SubItems.Remove(item);
            parent.SubItems.Insert(index + 1, item);
            cc.OnComponentChanged(parent, TypeDescriptor.GetProperties(parent)["SubItems"], null, null);
            this.RecalcLayout();
        }
        public void MoveItemUp()
        {
            IComponentChangeService cc = (IComponentChangeService)GetService(typeof(IComponentChangeService));
            ToolboxGroup item = (ToolboxGroup)this.Component;
            BaseItem parent = item.Parent;
            if (parent == null) return;
            int index = parent.SubItems.IndexOf(item);
            if (index == 0)
                return;

            cc.OnComponentChanging(parent, TypeDescriptor.GetProperties(parent)["SubItems"]);
            parent.SubItems.Remove(item);
            parent.SubItems.Insert(index - 1, item);
            cc.OnComponentChanged(parent, TypeDescriptor.GetProperties(parent)["SubItems"], null, null);
            this.RecalcLayout();
        }

        public void CreateItem()
        {
            ToolboxGroup group = (ToolboxGroup)this.Component;
            ToolboxControl tc = group.GetToolboxControl();

            IDesignerHost dh = (IDesignerHost)GetService(typeof(IDesignerHost));
            if (dh == null)
                return;

            ToolboxItem item = null;

            IComponentChangeService change = this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
            if (change != null)
            {
                change.OnComponentChanging(this.Component, TypeDescriptor.GetProperties(group).Find("SubItems", true));
            }

            item = dh.CreateComponent(typeof(ToolboxItem)) as ToolboxItem;

            if (item != null)
            {
                item.Text = item.Name;
                item.Symbol = "\ue251";
                item.SymbolSet = eSymbolSet.Material;
                group.SubItems.Add(item);
                if (change != null)
                {
                    change.OnComponentChanged(this.Component, TypeDescriptor.GetProperties(group).Find("Nodes", true), null, null);
                }
            }

            this.RecalcLayout();
        }

        public override Control GetHostControl()
        {
            return GetParentControl().Parent;
        }
    }
    #endregion

    #region ToolboxItemActionList
    internal class ToolboxGroupActionList : DesignerActionList
    {
        private ToolboxGroupDesigner _Designer = null;

        /// <summary>
        /// Initializes a new instance of the AdvTreeActionList class.
        /// </summary>
        /// <param name="designer"></param>
        public ToolboxGroupActionList(ToolboxGroupDesigner designer)
            : base(designer.Component)
        {
            _Designer = designer;
        }

        public override DesignerActionItemCollection GetSortedActionItems()
        {
            DesignerActionItemCollection items = new DesignerActionItemCollection();
            items.Add(new DesignerActionHeaderItem("Items"));
            items.Add(new DesignerActionHeaderItem("Position"));
            //items.Add(new DesignerActionHeaderItem("Selection"));

            items.Add(new DesignerActionMethodItem(this, "CreateItem", "New Toolbox Item", "Items", true));
            items.Add(new DesignerActionMethodItem(this, "MoveItemUp", "Move Up", "Position", true));
            items.Add(new DesignerActionMethodItem(this, "MoveItemDown", "Move Down", "Position", true));
            //items.Add(new DesignerActionPropertyItem("CellEdit", "Allow node text editing?", "Nodes", "Indicates whether node cells are editable"));

            //items.Add(new DesignerActionMethodItem(this, "EditColumns", "Edit Columns...", "Columns", "Edit Tree Control Columns", true));
            //items.Add(new DesignerActionPropertyItem("ColumnsVisible", "Column header visible?", "Columns", "Indicates whether tree column header is visible"));
            //items.Add(new DesignerActionPropertyItem("GridColumnLines", "Show grid column lines?", "Columns", "Indicates whether grid lines are visible"));
            //items.Add(new DesignerActionPropertyItem("GridRowLines", "Show grid row lines?", "Nodes", "Indicates whether grid lines between nodes are visible"));
            //items.Add(new DesignerActionPropertyItem("GridLinesColor", "Grid lines color:", "Columns", "Indicates custom color for grid lines"));

            //items.Add(new DesignerActionPropertyItem("SelectionBox", "Show selection?", "Selection", "Indicates whether selection is shown for selected node"));
            //items.Add(new DesignerActionPropertyItem("SelectionBoxStyle", "Selection style:", "Selection", "Indicates selection style"));
            //items.Add(new DesignerActionPropertyItem("HotTracking", "Highlight mouse over node?", "Selection", "Indicates whether node that mouse is over is highlighted"));

            return items;
        }

        public void CreateItem()
        {
            _Designer.CreateItem();
        }
        public void MoveItemUp()
        {
            _Designer.MoveItemUp();
        }

        public void MoveItemDown()
        {
            _Designer.MoveItemDown();
        }
    }
    #endregion
}