using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Deltares.Dam.Data;
using Deltares.Standard;
using Deltares.Standard.EventPublisher;
using Deltares.Standard.Forms.DExpress;
using Deltares.Standard.Forms.DExpress.ComponentWrappers;
using DevExpress.XtraBars;
using DevExpress.XtraTreeList;
using DevExpress.XtraTreeList.Nodes;

namespace Deltares.Dam.Forms
{
    public partial class WaterBoardTreeView : TreeViewControl
    {
        private TreeListNode savedFocused;
        private bool needRestoreFocused;
        private object clickedNodeTag;

        public WaterBoardTreeView()
        {
            InitializeComponent();
            this.TreeList.MouseUp += TreeListOnMouseUp;
        }
        
        private void TreeListOnMouseUp(object sender, MouseEventArgs mouseEventArgs)
        {
            var tree = sender as TreeList;
            if (tree == null) return;

            if (mouseEventArgs.Button != MouseButtons.Right || ModifierKeys != Keys.None ||
                tree.State != TreeListState.Regular) return;

            Point pt = tree.PointToClient(MousePosition);
            TreeListHitInfo info = tree.CalcHitInfo(pt);

            if (info.HitInfoType == HitInfoType.Cell)
            {
                clickedNodeTag = info.Node.Tag;
                if (clickedNodeTag is ChildObject)
                {
                    clickedNodeTag = ((ChildObject) clickedNodeTag).DataObject;
                }

                savedFocused = tree.FocusedNode;
                tree.FocusedNode = info.Node;
                needRestoreFocused = false; // selects the clicked node
                
                contextMenu.ShowPopup(MousePosition);
            }
        }

        private void ContextMenuOnCloseUp(object sender, EventArgs e)
        {
            if (needRestoreFocused)
                this.TreeList.FocusedNode = savedFocused;
        }

        private void ZoomToClicked(object sender, ItemClickEventArgs e)
        {
            var arg = clickedNodeTag as LocationJob; // too specific?
            if (arg == null) return;

            DataEventPublisher.Request("ZOOMTOSELECTION", arg);
        }
    }
}