using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using FastReport.DataVisualization.Charting;
using FastReport.Forms;
using FastReport.Utils;
using FastReport.Controls;

namespace FastReport.MSChart
{
    internal partial class GalleryForm : BaseDialogForm
    {
        private static int FLastCategoryIndex;
        private SeriesChartType FSelectedSeriesType;

        public SeriesChartType SelectedSeriesType
        {
            get { return FSelectedSeriesType; }
        }

        public bool NewArea
        {
            get { return cbNewArea.Checked; }
        }

        private void GalleryForm_Shown(object sender, EventArgs e)
        {
            pcPages.ActivePageIndex = FLastCategoryIndex;
        }

        private void PopulateCategories()
        {
            foreach (GalleryCategory category in ChartGallery.Categories)
            {
                PageControlPage page = new PageControlPage();
                page.Text = Res.Get("Forms,ChartGallery,Categories," + category.Name).Replace("&", "&&");
                page.Parent = pcPages;
                page.Dock = DockStyle.Fill;
                page.BackColor = SystemColors.Window;
                PopulateCategory(category, page);
            }
        }

        private void PopulateCategory(GalleryCategory category, PageControlPage page)
        {
            ListView listView = new ListView();
            listView.Parent = page;
            listView.Location = new Point(16, 32);
            listView.Size = new Size(page.Width - 16, page.Height - 32);
            listView.LargeImageList = ChartGallery.Images;
            listView.BorderStyle = BorderStyle.None;
            listView.SelectedIndexChanged += new EventHandler(listView_SelectedIndexChanged);
            listView.DoubleClick += new EventHandler(listView_DoubleClick);

            foreach (GalleryItem item in category.Items)
            {
                ListViewItem lvItem = listView.Items.Add(Res.Get("Forms,ChartGallery,Series," + item.Name));
                lvItem.ImageIndex = item.ImageIndex;
                lvItem.Tag = item.SeriesType;
            }
        }

        private void listView_SelectedIndexChanged(object sender, EventArgs e)
        {
            if ((sender as ListView).SelectedItems.Count > 0)
                FSelectedSeriesType = (SeriesChartType)(sender as ListView).SelectedItems[0].Tag;
            btnOk.Enabled = (sender as ListView).SelectedItems.Count > 0;
        }

        private void listView_DoubleClick(object sender, EventArgs e)
        {
            if (btnOk.Enabled)
                DialogResult = DialogResult.OK;
        }

        private void GalleryForm_FormClosed(object sender, FormClosedEventArgs e)
        {
            FLastCategoryIndex = pcPages.ActivePageIndex;
        }

        public override void Localize()
        {
            base.Localize();
            Text = Res.Get("Forms,ChartGallery");
            cbNewArea.Text = Res.Get("Forms,ChartGallery,NewArea");
        }

        public GalleryForm()
        {
            InitializeComponent();
            PopulateCategories();
            Localize();
        }

    }

    internal static class ChartGallery
    {
        public static List<GalleryCategory> Categories;
        public static ImageList Images;
        public static ImageList SmallImages;

        public static GalleryItem FindItem(SeriesChartType seriesType)
        {
            foreach (GalleryCategory category in Categories)
            {
                foreach (GalleryItem item in category.Items)
                {
                    if (item.SeriesType == seriesType)
                        return item;
                }
            }

            return null;
        }

        static ChartGallery()
        {
            Categories = new List<GalleryCategory>();
            Images = new ImageList();
            Size imagesize = new Size(96, 72);
            if (imagesize.Width > 256)
                imagesize.Width = 256;
            if (imagesize.Height > 256)
                imagesize.Height = 256;
            Images.ImageSize = imagesize;
            Images.ColorDepth = ColorDepth.Depth32Bit;

            SmallImages = new ImageList();
            SmallImages.ImageSize = new Size(48, 36);
            SmallImages.ColorDepth = ColorDepth.Depth32Bit;

            GalleryCategory category = new GalleryCategory("BarColumn");
            category.Items.Add(new GalleryItem(SeriesChartType.Bar, "Bar"));
            category.Items.Add(new GalleryItem(SeriesChartType.StackedBar, "StackedBar"));
            category.Items.Add(new GalleryItem(SeriesChartType.StackedBar100, "StackedBar100"));
            category.Items.Add(new GalleryItem(SeriesChartType.Column, "Column"));
            category.Items.Add(new GalleryItem(SeriesChartType.StackedColumn, "StackedColumn"));
            category.Items.Add(new GalleryItem(SeriesChartType.StackedColumn100, "StackedColumn100"));
            Categories.Add(category);

            category = new GalleryCategory("Area");
            category.Items.Add(new GalleryItem(SeriesChartType.Area, "Area"));
            category.Items.Add(new GalleryItem(SeriesChartType.SplineArea, "SplineArea"));
            category.Items.Add(new GalleryItem(SeriesChartType.StackedArea, "StackedArea"));
            category.Items.Add(new GalleryItem(SeriesChartType.StackedArea100, "StackedArea100"));
            Categories.Add(category);

            category = new GalleryCategory("Line");
            category.Items.Add(new GalleryItem(SeriesChartType.Line, "Line"));
            category.Items.Add(new GalleryItem(SeriesChartType.FastLine, "FastLine"));
            category.Items.Add(new GalleryItem(SeriesChartType.StepLine, "StepLine"));
            category.Items.Add(new GalleryItem(SeriesChartType.Spline, "Spline"));
            Categories.Add(category);

            category = new GalleryCategory("PointBubble");
            category.Items.Add(new GalleryItem(SeriesChartType.Bubble, "Bubble"));
            category.Items.Add(new GalleryItem(SeriesChartType.Point, "Point"));
            category.Items.Add(new GalleryItem(SeriesChartType.FastPoint, "FastPoint"));
            Categories.Add(category);

            category = new GalleryCategory("Pie");
            category.Items.Add(new GalleryItem(SeriesChartType.Pie, "Pie"));
            category.Items.Add(new GalleryItem(SeriesChartType.Doughnut, "Doughnut"));
            Categories.Add(category);

            category = new GalleryCategory("Circular");
            category.Items.Add(new GalleryItem(SeriesChartType.Polar, "Polar"));
            category.Items.Add(new GalleryItem(SeriesChartType.Radar, "Radar"));
            Categories.Add(category);

            category = new GalleryCategory("Financial");
            category.Items.Add(new GalleryItem(SeriesChartType.Stock, "Stock"));
            category.Items.Add(new GalleryItem(SeriesChartType.Candlestick, "Candlestick"));
            category.Items.Add(new GalleryItem(SeriesChartType.Kagi, "Kagi"));
            category.Items.Add(new GalleryItem(SeriesChartType.Renko, "Renko"));
            category.Items.Add(new GalleryItem(SeriesChartType.PointAndFigure, "PointAndFigure"));
            category.Items.Add(new GalleryItem(SeriesChartType.ThreeLineBreak, "ThreeLineBreak"));
            Categories.Add(category);

            category = new GalleryCategory("PyramidFunnel");
            category.Items.Add(new GalleryItem(SeriesChartType.Pyramid, "Pyramid"));
            category.Items.Add(new GalleryItem(SeriesChartType.Funnel, "Funnel"));
            Categories.Add(category);

            category = new GalleryCategory("Range");
            category.Items.Add(new GalleryItem(SeriesChartType.Range, "Range"));
            category.Items.Add(new GalleryItem(SeriesChartType.SplineRange, "SplineRange"));
            category.Items.Add(new GalleryItem(SeriesChartType.RangeColumn, "RangeColumn"));
            category.Items.Add(new GalleryItem(SeriesChartType.RangeBar, "RangeBar"));
            Categories.Add(category);
        }
    }

    internal class GalleryCategory
    {
        public string Name;
        public List<GalleryItem> Items;

        public GalleryCategory(string name)
        {
            Name = name;
            Items = new List<GalleryItem>();
        }
    }

    internal class GalleryItem
    {
        public SeriesChartType SeriesType;
        public string Name;
        public Bitmap Image;
        public int ImageIndex;

        public GalleryItem(SeriesChartType seriesType, string name)
        {
            SeriesType = seriesType;
            Name = name;
            Image = ResourceLoader.GetBitmap("MSChart." + name + ".png");
            ChartGallery.Images.Images.Add(Image);
            ChartGallery.SmallImages.Images.Add(Image.GetThumbnailImage(48, 36, null, IntPtr.Zero));
            ImageIndex = ChartGallery.Images.Images.Count - 1;
        }
    }
}