narsil/Tanshu.Accounts.Helpers/ControlFactory.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing;
using Tanshu.Accounts.Contracts;

namespace Tanshu.Accounts.Helpers
{
    public static class ControlFactory
    {
        public static void GenerateButtons(ref Panel panel, ref List<Button> buttonList, Rectangle clientArea, int x, int y, int border, List<ProductDisplaySmallBO> list, ButtonClickDelegate bcDelegate)
        {
            if (buttonList.Count != 0)
            {
                for (int i = buttonList.Count - 1; i >= 0; i--)
                {
                    buttonList[i].Dispose();
                }
                buttonList = new List<Button>();
            }
            int width = (clientArea.Width - (border * (x - 1))) / x;
            int height = (clientArea.Height - (border * (y - 1))) / y;
            int left = 0, top = 0, count = 0;
            for (int j = 0; j < y; j++)
            {
                top = clientArea.Top + (j * (height + border));
                for (int i = 0; i < x; i++)
                {
                    count++;
                    if (list.Count < count)
                        break;
                    left = clientArea.Left + (i * (width + border));
                    ProductDisplaySmallBO item = list[(j * x) + i];
                    Button btn = GetButton(string.Format("{0}-{1}", i, j), item.Name, width, height, left, top, item.ProductID, bcDelegate);
                    panel.Controls.Add(btn);
                    buttonList.Add(btn);
                }
            }
        }

        public static void GenerateButtons(ref Panel panel, ref List<Button> buttonList, Rectangle clientArea, int x, int y, int border, int page, List<ProductTypeBO> list, ButtonClickDelegate bcDelegate)
        {
            if (buttonList.Count != 0)
            {
                for (int i = buttonList.Count - 1; i >= 0; i--)
                {
                    buttonList[i].Dispose();
                }
                buttonList = new List<Button>();
            }
            int width = (clientArea.Width - (border * (x - 1))) / x;
            int height = (clientArea.Height - (border * (y - 1))) / y;
            int left = 0, top = 0, count = 0;
            if (list.Count > x * y)
            {
                if (page != 0)
                    list.RemoveRange(0, y * page);
                if (list.Count > y)
                    list.RemoveRange(y, list.Count - y);
                //int pages = Convert.ToInt32(Math.Ceiling(Convert.ToDouble(list.Count / (x * y)))) - 1;
                //if (page > 0)
                //    startButton = true;
                //if (page != pages)
                //    finishButton = true;
                //if (startButton)
                //{
                //    list.RemoveRange(0, start);
                //    list.Insert(0, new ProductTypeBO() { Name = "Previous", ProductTypeID = new Guid() });
                //}
                //if (finishButton)
                //{
                //    list.RemoveRange((x * y) - 1, list.Count - (x * y) + 1);
                //    list.Insert(x * y - 1, new ProductTypeBO() { Name = "Next", ProductTypeID = new Guid() });
                //}
                // the list is long

            }
            int sJ = 0;
            int sI = 0;
            //Math.DivRem(start, x, out sI);
            //sJ = (start - sI) / y;
            //count = start - 1;
            for (int j = sJ; j < y; j++)
            {
                top = clientArea.Top + (j * (height + border));
                for (int i = sI; i < x; i++)
                {
                    count++;
                    if (list.Count < count)
                        break;
                    left = clientArea.Left + (i * (width + border));
                    //ProductTypeBO item = list[(j * x) + i];
                    ProductTypeBO item = list[count - 1];
                    Button btn = GetButton(string.Format("{0}-{1}", i, j), item.Name, width, height, left, top, item.ProductTypeID, bcDelegate);
                    panel.Controls.Add(btn);
                    buttonList.Add(btn);
                }
            }
        }
        public static void GenerateButtons(ref Panel panel, ref List<Button> buttonList, Rectangle clientArea, int x, int y, int border, List<FoodTableBO> list, ButtonClickDelegate bcDelegate)
        {
            if (buttonList.Count != 0)
            {
                for (int i = buttonList.Count - 1; i >= 0; i--)
                {
                    buttonList[i].Dispose();
                }
                buttonList = new List<Button>();
            }
            int width = (clientArea.Width - (border * (x - 1))) / x;
            int height = (clientArea.Height - (border * (y - 1))) / y;
            int left = 0, top = 0, count = 0;
            for (int j = 0; j < y; j++)
            {
                top = clientArea.Top + (j * (height + border));
                for (int i = 0; i < x; i++)
                {
                    count++;
                    if (list.Count < count)
                        break;
                    left = clientArea.Left + (i * (width + border));
                    //ProductTypeBO item = list[(j * x) + i];
                    FoodTableBO item = list[count - 1];
                    Button btn = GetButton(string.Format("{0}-{1}", i, j), item.Name, width, height, left, top, item.TableID, bcDelegate);
                    panel.Controls.Add(btn);
                    buttonList.Add(btn);
                }
            }
        }
        private static TextBox GetTextBox(string name, string text, int width, int height, int x, int y, object tag, ButtonClickDelegate bcDelegate)
        {
            TextBox textBox = CreateControl(ControlType.TextBox, name, text, width, height, x, y) as TextBox;
            textBox.Tag = tag;
            if (bcDelegate != null)
                textBox.Click += new EventHandler(bcDelegate);
            return textBox;
        }
        private static Button GetButton(string name, string text, int width, int height, int x, int y, object tag, ButtonClickDelegate bcDelegate)
        {
            Button button = CreateControl(ControlType.Button, name, text, width, height, x, y) as Button;
            button.Tag = tag;
            if (bcDelegate != null)
                button.Click += new EventHandler(bcDelegate);
            return button;
        }
        private static Control CreateControl(ControlType controlType, string name, string text, int width, int height, int x, int y)
        {
            switch (controlType)
            {
                case ControlType.TextBox:
                    {
                        TextBox textBox = new TextBox();
                        textBox.Name = name;
                        textBox.Text = text;
                        textBox.Width = width;
                        textBox.Height = height;
                        textBox.Left = x;
                        textBox.Top = y;
                        return textBox;
                    }
                case ControlType.Button:
                    {
                        Button button = new Button();
                        button.Name = name;
                        button.Text = text;
                        button.Width = width;
                        button.Height = height;
                        button.Left = x;
                        button.Top = y;
                        return button;
                    }
                default:
                    throw new ArgumentOutOfRangeException();
            }

        }
    }
    public enum ControlType
    {
        TextBox = 1,
        Button = 2
    }
    public delegate void ButtonClickDelegate(object sender, EventArgs e);
}