using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Telerik.WinControls;
using Telerik.WinControls.Layouts;
using Telerik.WinControls.Primitives;
using Telerik.WinControls.UI;

namespace Dispatcher.maptab.UIClasses
{
    public class ColorTreeContentElement : TreeNodeContentElement
    {
        StackLayoutElement nodeContentContainer;
        StackLayoutElement nodeRightContainer;
        LightVisualElement textElement;
        RadButtonElement buttonElement;
        private Color currentColor = Color.Transparent;
        private ColorUnitTreeNode node = null;

        protected override Type ThemeEffectiveType
        {
            get
            {
                return typeof(TreeNodeContentElement);
            }
        }
        protected override void InitializeFields()
        {
            base.InitializeFields();
            this.DrawBorder = true;
            this.NumberOfColors = 2;
            this.GradientStyle = GradientStyles.Linear;
            this.Margin = new Padding(5, 5, 5, 5);
            this.Shape = new RoundRectShape(2);
            this.StretchHorizontally = true;
        }

        public override void Synchronize()
        {
            this.DrawFill = true;
            this.AutoToolTip = true;

            TreeNodeElement treeNodeElement = this.NodeElement;
            node = (ColorUnitTreeNode)treeNodeElement.Data;
            //DataRowView rowView = (DataRowView)node.DataBoundItem;

            currentColor = (Color)node.Color;

            if (!node.Checked)
                buttonElement.Visibility = ElementVisibility.Hidden;
            else
                buttonElement.Visibility = ElementVisibility.Visible;


            if (node.Level == 0)
            {
                this.textElement.Text = node.Text;
                buttonElement.Visibility = ElementVisibility.Hidden;
            }
            else if (node.Level == 1)
            {
                this.textElement.Text = node.Text;
                this.buttonElement.Text = "";
                buttonElement.Visibility = ElementVisibility.Hidden;
            }
            else
            {
                this.textElement.Text = node.Text;
                this.buttonElement.Text = "";
                buttonElement.ButtonFillElement.BackColor = currentColor;
            }
        }

        protected override void CreateChildElements()
        {
            this.Padding = new System.Windows.Forms.Padding(0);
            this.Margin = new System.Windows.Forms.Padding(0);


            nodeContentContainer = new StackLayoutElement();
            nodeContentContainer.Orientation = Orientation.Horizontal;
            nodeContentContainer.StretchHorizontally = true;
            nodeContentContainer.StretchVertically = true;
            nodeContentContainer.AutoSizeMode = RadAutoSizeMode.FitToAvailableSize;
            nodeContentContainer.Padding = new System.Windows.Forms.Padding(0);
            nodeContentContainer.Margin = new System.Windows.Forms.Padding(0);
            nodeContentContainer.Alignment = ContentAlignment.MiddleLeft;

            textElement = new LightVisualElement();
            textElement.ShouldHandleMouseInput = false;
            textElement.NotifyParentOnMouseInput = true;
            textElement.StretchVertically = false;
            textElement.StretchHorizontally = true;
            textElement.TextAlignment = ContentAlignment.MiddleLeft;
            this.nodeContentContainer.Children.Add(textElement);

            nodeRightContainer = new StackLayoutElement();
            nodeRightContainer.Orientation = Orientation.Horizontal;
            nodeRightContainer.AutoSizeMode = RadAutoSizeMode.FitToAvailableSize;
            nodeRightContainer.StretchHorizontally = false;
            nodeRightContainer.StretchVertically = true;
            nodeRightContainer.Padding = new System.Windows.Forms.Padding(0);
            nodeRightContainer.Margin = new System.Windows.Forms.Padding(0);
            nodeRightContainer.Alignment = ContentAlignment.MiddleRight;

         
            buttonElement = new RadButtonElement();
            buttonElement.Padding = new Padding(0, 0, 0, 0);
            buttonElement.Margin = new System.Windows.Forms.Padding(0);
            buttonElement.Click += buttonElement_Click;
            buttonElement.StretchVertically = true;
            buttonElement.MinSize = new Size(18, 18);
            buttonElement.MaxSize = new Size(18, 18);


            this.nodeRightContainer.Children.Add(buttonElement);
            this.nodeContentContainer.Children.Add(nodeRightContainer);

            DockLayoutPanel.SetDock(this.buttonElement, Telerik.WinControls.Layouts.Dock.Right);

            this.Children.Add(nodeContentContainer);
            //this.Children.Add(nodeRightContainer);

        }

        void buttonElement_Click(object sender, EventArgs e)
        {
            RadColorDialog dialog = new RadColorDialog();
            dialog.SelectedColor = currentColor;
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                // flag that the color had changed
                ColorChanged(new ColorChangedEventArgs()
                {
                    oldColor = currentColor,
                    newColor = dialog.SelectedColor,
                    unitName = node.Text
                });

                currentColor = dialog.SelectedColor;

                this.SuspendLayout();
                this.buttonElement.ButtonFillElement.BackColor = currentColor;
                this.ResumeLayout(false, true);
                node.Color = currentColor;

                //((Vehicle)MainForm2.vehicleHT[(String)vehiclesList.Rows[e.RowIndex].Cells[2].Value]).histcolor = color;
            }
        }



        #region COLOR EVENT
        public class ColorChangedEventArgs : EventArgs
        {
            public Color newColor { get; set; }
            public Color oldColor { get; set; }
            public String unitName { get; set; }
        }
        public event EventHandler<ColorChangedEventArgs> OnColorChanged;
        /// <summary>
        /// Event raise for when the alerts are clicked
        /// </summary>
        protected virtual void ColorChanged(ColorChangedEventArgs e)
        {
            EventHandler<ColorChangedEventArgs> handler = this.OnColorChanged;
            if (handler != null)
                handler(this, e);
        }
        #endregion

    }
}