/*

 * ????????????????

 * ?????????????????????????

 * 

 * 

 * */





using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;



using Las.Model;

using Las.Dal;

using Las.Biz;

using Aga.Controls.Tree;

using Aga.Controls.Tree.NodeControls;



namespace Las.WinUI

{

    public partial class FrmDGSelector : Form

    {

        //???????ID

        System.Collections.Specialized.StringCollection checkedId = new System.Collections.Specialized.StringCollection();

        public FrmDGSelector()

        {

            InitializeComponent();

            SetSelectMode(rbRequired.Checked);            

            dgTree.LoadOnDemand = true;//?????????

            SetupDGTree(dgTree);

            contextMenuStrip1.Enabled = false;

        }



        public FrmDGSelector(ITreeModel tm):this()

        {            

            dgTree.Model = tm;

            if (dgTree.Root != null)

            {

                foreach (TreeNodeAdv n in dgTree.Root.Children)

                {

                    n.Expand();

                }

            }

        }



        /// <summary>

        /// ??????

        /// </summary>

        /// <param name="requiredMode">???true???????</param>

        private void SetSelectMode(bool requiredMode)

        {

            labelCnt.Enabled = !requiredMode;

            nudCnt.Enabled =!requiredMode;

            btnSelect.Text =requiredMode?"??":"??";

        }





        #region ??????????

        private void SetupDGTree(Aga.Controls.Tree.TreeViewAdv tva)

        {           

          

            tva.SelectionMode = TreeSelectionMode.Single;

            //????????contextMenu??

            tva.SelectionChanged += new EventHandler(tva_SelectionChanged);



            

            NodeCheckBox cb = new NodeCheckBox("IsChecked");

            cb.EditEnabled = true;

            cb.ThreeState = false;

            cb.CheckStateChanged += new EventHandler<TreePathEventArgs>(cb_CheckStateChanged);

            tva.NodeControls.Add(cb);



            NodeStateIcon ni = new NodeStateIcon();

            ni.DataPropertyName = "Icon";

            tva.NodeControls.Add(ni);



            NodeTextBox tb = new NodeTextBox();

            tb.DataPropertyName = "Text";

            tva.NodeControls.Add(tb);

        }

        #endregion



        void cb_CheckStateChanged(object sender, TreePathEventArgs e)

        {

            IModelNode cn = (IModelNode)e.Path.LastNode;

            MoXldg mo = cn.Tag as MoXldg;

            bool status = (bool)cn.IsChecked;

            if (status)

            {

                if (!checkedId.Contains(mo.DgId))

                {

                    checkedId.Add(mo.DgId);

                }

            }

            else

            {

                checkedId.Remove(mo.DgId);

            }



        }



        void tva_SelectionChanged(object sender, EventArgs e)

        {

            Aga.Controls.Tree.TreeViewAdv tva = (Aga.Controls.Tree.TreeViewAdv)sender;

            if (tva.SelectedNodes.Count == 0)

            {

                contextMenuStrip1.Enabled = false;

            }

            else

            {

                contextMenuStrip1.Enabled = true;

            }

        }



        /// <summary>

        /// ???????????UI

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void btnSelect_Click(object sender, EventArgs e)

        {



        }



        private void rbRequired_CheckedChanged(object sender, EventArgs e)

        {

            SetSelectMode(rbRequired.Checked);

        }



        #region ????

        /// <summary>

        /// ???????/???? ?????

        /// </summary>

        /// <param name="tva"></param>

        /// <param name="tna"></param>

        /// <param name="status"></param>

        internal void SetCheckStatus(TreeViewAdv tva, TreeNodeAdv tna, bool status)

        {

            IModelNode drn = (IModelNode)tva.GetPath(tna).LastNode;

            MoXldg mo = drn.Tag as MoXldg;

            drn.IsChecked = status;

            if (status)

            {

                if (!checkedId.Contains(mo.DgId))

                {

                    checkedId.Add(mo.DgId);

                }

            }

            else

            {

                if (checkedId.Contains(mo.DgId))

                {

                    checkedId.Remove(mo.DgId);

                }

            }



            foreach (TreeNodeAdv n in tna.Children)

            {

                SetCheckStatus(tva, n, status);

            }

        }



        /// <summary>

        /// ???????????????

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void tsmiSelectAllSubNode_Click(object sender, EventArgs e)

        {

            ToolStripMenuItem tsmi = (ToolStripMenuItem)sender;

            ContextMenuStrip cmms = (ContextMenuStrip)tsmi.Owner;

            Aga.Controls.Tree.TreeViewAdv tva = (Aga.Controls.Tree.TreeViewAdv)cmms.SourceControl;

            tva.SuspendLayout();

            SetCheckStatus(tva, tva.SelectedNode, true);

            tva.ResumeLayout(true);

            tva.Refresh();





        }



        /// <summary>

        /// ??????????????

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void tsmiUnSelectAllSub_Click(object sender, EventArgs e)

        {

            ToolStripMenuItem tsmi = (ToolStripMenuItem)sender;

            ContextMenuStrip cmms = (ContextMenuStrip)tsmi.Owner;

            Aga.Controls.Tree.TreeViewAdv tva = (Aga.Controls.Tree.TreeViewAdv)cmms.SourceControl;

            tva.SuspendLayout();

            SetCheckStatus(tva, tva.SelectedNode, false);

            tva.ResumeLayout(true);

            tva.Refresh();

        }

        #endregion



    }

}