using System;
using System.Windows.Forms;

namespace PaintDotNet.CustomControl
{
    public partial class DecimalScopeControl : BaseUserControl
    {
        /// <summary>
        /// 参数的index
        /// </summary>
        public int paramIndex;
        
        /// <summary>
        /// 参数值改变
        /// </summary>
        public event EventHandler ValueChanged;

        /// <summary>
        /// 默认不显示进度条
        /// </summary>
        private bool showTrackBar = false;

        /// <summary>
        /// 十进制位数
        /// </summary>
        public int DecimalPlaces
        {
            get
            {
                return this.numericUpDown1.DecimalPlaces;
            }
            set
            {
                this.numericUpDown1.DecimalPlaces = value;
                this.numericUpDown1.Increment = (decimal)Math.Pow(0.1, DecimalPlaces);
                this.numericUpDown2.DecimalPlaces = value;
                this.numericUpDown2.Increment = (decimal)Math.Pow(0.1, DecimalPlaces);
            }
        }

        public double Maximum
        {
            get
            {
                return (double)numericUpDown1.Maximum;
            }
            set
            {
                this.numericUpDown1.Maximum = (Decimal)value;
                this.numericUpDown2.Maximum = (Decimal)value;
            }
        }

        /// <summary>
        /// 如果numericUpDown2的最大值发生变化
        /// 则初始化数据和拖动条数据
        /// </summary>
        public decimal Maximum2
        {
            set
            {
                this.numericUpDown2.Maximum = value;
                this.minValue = 0.00;
                this.maxValue = 0.00;
                if (showTrackBar)
                {
                    this.doubleSlidingTrackbar.maxValue = value;
                    this.doubleSlidingTrackbar.InitLeftRightPoints();
                }
            }
        }

        public double Minimum
        {
            get
            {
                return (double)numericUpDown1.Minimum;
            }
            set
            {
                this.numericUpDown1.Minimum = (Decimal)value;
                this.numericUpDown2.Minimum = (Decimal)value;
            }
        }

        public double minValue
        {
            get
            {
                return (double)numericUpDown1.Value;
            }
            set
            {
                this.numericUpDown1.Value = (decimal)value;
            }
        }

        public double maxValue
        {
            get
            {
                return (double)numericUpDown2.Value;
            }
            set
            {
                this.numericUpDown2.Value = (decimal)value;
            }
        }

        /// <summary>
        /// 默认构造函数
        /// </summary>
        public DecimalScopeControl()
        {
            InitializeComponent();
            InitializeLanguageText();
        }

        /// <summary>
        /// 用于修改文字
        /// </summary>
        /// <param name="label"></param>
        public DecimalScopeControl(string label)
        {
            InitializeComponent();
            InitializeLanguageText();
            this.label1.Text = label;
        }

        public DecimalScopeControl(string label, bool showTB, int length)
        {
            InitializeComponent();
            InitializeLanguageText();
            this.label1.Text = label;
            this.showTrackBar = showTB;

            if (!this.showTrackBar)
            {
                this.numericUpDown1.Location = new System.Drawing.Point(0, 1);
                this.numericUpDown2.Location = new System.Drawing.Point(45, 1);
            }
            else
            {
                this.doubleSlidingTrackbar = new DoubleSlidingTrackbar(length);
                this.doubleSlidingTrackbar.Location = new System.Drawing.Point(this.numericUpDown1.Location.X + this.numericUpDown1.Width+5, 1);
                this.doubleSlidingTrackbar.LeftHandlerDrag += new EventHandler(this.LeftHandlerDrag);
                this.doubleSlidingTrackbar.RightHandlerDrag += new EventHandler(this.RightHandlerDrag);
                this.doubleSlidingTrackbar.maxValue = this.numericUpDown2.Maximum;
                this.Controls.Add(this.doubleSlidingTrackbar);
                this.numericUpDown2.Location = new System.Drawing.Point(this.numericUpDown1.Location.X + this.numericUpDown1.Width + 5 + length, 1);
            }
        }

        private void RightHandlerDrag(object sender, EventArgs e)
        {
            this.numericUpDown2.Value = (decimal)((DoubleSlidingTrackbar)sender).GetRightSliderValue();
        }

        private void LeftHandlerDrag(object sender, EventArgs e)
        {
            this.numericUpDown1.Value = (decimal)((DoubleSlidingTrackbar)sender).GetLeftSliderValue();
        }

        /// <summary>
        /// 用于隐藏文字Label，并修改numericUpDown位置
        /// </summary>
        /// <param name="noVisible"></param>
        public DecimalScopeControl(bool noVisible)
        {
            InitializeComponent();
            InitializeLanguageText();
            this.Controls.Remove(this.label1);
        }


        private void numericUpDown1_ValueChanged(object sender, EventArgs e)
        {
            numericUpDown2.Value = Math.Max(numericUpDown2.Value, (numericUpDown1.Value> numericUpDown2.Maximum ? numericUpDown2.Maximum : numericUpDown1.Value));
            if (this.ValueChanged != null)
            {
                this.ValueChanged(this.numericUpDown1, e);
            }

            if (showTrackBar)
            {
                this.doubleSlidingTrackbar.SetLeftSliderPos(minValue);
            }
        }

        private void numericUpDown2_ValueChanged(object sender, EventArgs e)
        {
            numericUpDown1.Value = Math.Min(numericUpDown2.Value, numericUpDown1.Value);
            if (this.ValueChanged != null)
            {
                this.ValueChanged(this.numericUpDown2, e);
            }

            if (showTrackBar)
            {
                this.doubleSlidingTrackbar.SetRightSliderPos(maxValue);
            }
        }


        #region 组件设计器生成的代码

        private void InitializeLanguageText() 
        {
            if(!DesignMode)
                this.label1.Text = PdnResources.GetString("Menu.Colorinterval.text") + ":";
        }
        /// <summary> 
        /// 设计器支持所需的方法 - 不要修改
        /// 使用代码编辑器修改此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.numericUpDown2 = new System.Windows.Forms.NumericUpDown();
            this.numericUpDown1 = new System.Windows.Forms.NumericUpDown();
            this.label1 = new System.Windows.Forms.Label();
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown2)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).BeginInit();
            this.SuspendLayout();
            // 
            // numericUpDown1
            // 
            this.numericUpDown1.Location = new System.Drawing.Point(65, 1);
            this.numericUpDown1.Maximum = new decimal(new int[] {
            int.MaxValue,
            0,
            0,
            0});
            this.numericUpDown1.Name = "numericUpDown1";
            this.numericUpDown1.Tag = "min";
            this.numericUpDown1.Size = new System.Drawing.Size(40, 21);
            this.numericUpDown1.TabIndex = 12;
            this.numericUpDown1.ValueChanged += new System.EventHandler(this.numericUpDown1_ValueChanged);
            // 
            // numericUpDown2
            // 
            this.numericUpDown2.Location = new System.Drawing.Point(110, 1);
            this.numericUpDown2.Maximum = new decimal(new int[] {
            int.MaxValue,
            0,
            0,
            0});
            this.numericUpDown2.Name = "numericUpDown2";
            this.numericUpDown2.Tag = "max";
            this.numericUpDown2.Size = new System.Drawing.Size(40, 21);
            this.numericUpDown2.TabIndex = 13;
            this.numericUpDown2.ValueChanged += new System.EventHandler(this.numericUpDown2_ValueChanged);
            // 
            // label1
            // 
            this.label1.AutoSize = true;
            this.label1.Location = new System.Drawing.Point(1, 4);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(65, 12);
            this.label1.TabIndex = 14;
            this.label1.Text = "颜色区间：";
            
            // 
            // DecimalScopeControl
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.Controls.Add(this.numericUpDown2);
            this.Controls.Add(this.numericUpDown1);
            
            this.Controls.Add(this.label1);
            this.Name = "DecimalScopeControl";
            this.Size = new System.Drawing.Size(150, 22);
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown2)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.numericUpDown1)).EndInit();
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        public DoubleSlidingTrackbar doubleSlidingTrackbar;
        public System.Windows.Forms.NumericUpDown numericUpDown2;
        public System.Windows.Forms.NumericUpDown numericUpDown1;
        private System.Windows.Forms.Label label1;
    }
}