using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;
using System.Drawing.Design;
using System.Reflection;
using DevComponents.DotNetBar.Charts;
using DevComponents.DotNetBar.Charts.Style;

namespace DevComponents.Charts.Design
{
    public class ChartContainerCollectionEditor : BaseCollectionEditor
    {
        #region Private variables

        private ChartPanel _ChartPanel;

        #endregion

        public ChartContainerCollectionEditor(Type type)
            : base(type)
        {
        }

        #region EditValue

        public override object EditValue(
            ITypeDescriptorContext context, IServiceProvider provider, object value)
        {
            _ChartPanel = context.Instance as ChartPanel;

            object retval = base.EditValue(context, provider, value);

            return (retval);
        }

        #endregion

        #region CreateInstance

        protected override object CreateInstance(Type itemType)
        {
            if (itemType == typeof(ChartXy))
            {
                ChartXy chartXy = (ChartXy)base.CreateInstance(itemType);

                if (_ChartPanel != null)
                    chartXy.Name = _ChartPanel.ChartContainers.GetUniqueName("ChartXy");

                SetChartDefaults(chartXy);

                return (chartXy);
            }

            if (itemType == typeof(PieChart))
            {
                PieChart pieChart = (PieChart)base.CreateInstance(itemType);

                if (_ChartPanel != null)
                    pieChart.Name = _ChartPanel.ChartContainers.GetUniqueName("PieChart");

                SetChartDefaults(pieChart);

                return (pieChart);
            }

            if (itemType == typeof(ChartPanel))
            {
                ChartPanel panel = (ChartPanel)base.CreateInstance(itemType);

                if (_ChartPanel != null)
                    panel.Name = _ChartPanel.ChartContainers.GetUniqueName("ChartPanel");

                SetPanelDefaults(panel);

                return (panel);
            }

            return (base.CreateInstance(itemType));
        }

        private void SetPanelDefaults(ChartPanel panel)
        {
            panel.ContainerVisualStyles.Default.BorderThickness = new Thickness(1);
            panel.ContainerVisualStyles.Default.BorderColor = new BorderColor(Color.Black);
            panel.ContainerVisualStyles.Default.Background = new Background(Color.Gray);
            panel.ContainerVisualStyles.Default.Margin = new Padding(4);
        }

        private void SetChartDefaults(ChartXy chartXy)
        {
            chartXy.ContainerVisualStyles.Default.BorderThickness = new Thickness(1);
            chartXy.ContainerVisualStyles.Default.BorderColor = new BorderColor(Color.Black);
            chartXy.ContainerVisualStyles.Default.Background = new Background(Color.White);
            chartXy.ContainerVisualStyles.Default.Margin = new Padding(4);
        }

        private void SetChartDefaults(PieChart pieChart)
        {
            pieChart.ContainerVisualStyles.Default.BorderThickness = new Thickness(1);
            pieChart.ContainerVisualStyles.Default.BorderColor = new BorderColor(Color.Black);
            pieChart.ContainerVisualStyles.Default.Background = new Background(Color.White);
            pieChart.ContainerVisualStyles.Default.Margin = new Padding(4);
        }

        #endregion

        #region CopyButton_Click

        protected override void CopyButton_Click(object sender, EventArgs e)
        {
            ChartContainer item = ChartItem as ChartContainer;

            if (item != null)
            {
                if (AddButton != null)
                {
                    ChartControlDesigner ccd = GetDesigner(_ChartPanel.ChartControl);
                    ChartContainerCollection ccc = _ChartPanel.ChartContainers;

                    ccd.InCopyItem = true;

                    if (item is ChartPanel)
                        _ItemTypes[0] = typeof(ChartPanel);

                    try
                    {
                        AddButton.PerformClick();

                        ChartContainer clone = ccc[ccc.Count - 1];

                        string name = clone.Name;
                        item.CopyTo(clone);
                        clone.Name = name;
                    }
                    finally
                    {
                        if (item is ChartPanel)
                            _ItemTypes[0] = typeof(ChartXy);

                        ccd.InCopyItem = false;
                    }
                }
            }
        }

        #endregion

        #region CreateCollectionItemType

        protected override Type CreateCollectionItemType()
        {
            return typeof(ChartContainer);
        }

        #endregion

        #region CreateNewItemTypes

        private Type[] _ItemTypes = new Type[] 
        {
                typeof(ChartXy),
                typeof(PieChart),
                typeof(ChartPanel),
        };

        protected override Type[] CreateNewItemTypes()
        {
            return (_ItemTypes);
        }

        #endregion
    }
}