using PaintDotNet.CustomControl;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace PaintDotNet
{
    internal class ImagePreviewDialog : PdnBaseForm
    {
        private AppWorkspace appWorkspace;
        /// <summary>
        /// 图像面板
        /// </summary>
        private DocumentWorkspaceWindow documentWorkspace;
        /// <summary>
        /// 公共按钮
        /// </summary>
        private CommonControlButtons commonControlButtons;
        /// <summary>
        /// 底部图标栏
        /// </summary>
        private Panel panel;

        public ImagePreviewDialog(Image image, AppWorkspace appWorkspace)
        {
            this.appWorkspace = appWorkspace;

            InitializeComponent();

            this.documentWorkspace = new DocumentWorkspaceWindow(this.appWorkspace);
            //
            //DocumentWorkspaceWindow
            //
            this.documentWorkspace.Location = new System.Drawing.Point(0, 0);
            this.documentWorkspace.Dock = DockStyle.Fill;
            this.documentWorkspace.HookMouseEvents();
            this.documentWorkspace.AuxiliaryLineEnabled = false;
            this.documentWorkspace.RulersEnabled = false;
            this.Controls.Add(this.documentWorkspace);

            this.Text = PdnResources.GetString("Menu.Previewpicture.Text");
            this.documentWorkspace.Document = Document.FromImage(image);
            this.commonControlButtons.Location = new Point((this.Width - this.commonControlButtons.Width) / 2, 0);
            this.Resize += new EventHandler(this.Resize_Event);
            InitCommonButtonEvent();
        }

        private void InitCommonButtonEvent()
        {
            this.commonControlButtons.zoomInButton.Click += new EventHandler(zoomInButton_Click);
            this.commonControlButtons.zoomOutButton.Click += new EventHandler(zoomOutButton_Click);
            this.commonControlButtons.zoomToWindowButton.Click += new EventHandler(zoomToWindowButton_Click);
            this.commonControlButtons.actualSizeButton.Click += new EventHandler(actualSizeButton_Click);
            this.commonControlButtons.pointerButton.Click += new EventHandler(pointerButton_Click);
            this.commonControlButtons.mobileModeButton.Click += new EventHandler(mobileModeButton_Click);
        }

        private void zoomInButton_Click(object sender, EventArgs e)
        {
            this.documentWorkspace.ZoomIn();
        }

        private void zoomOutButton_Click(object sender, EventArgs e)
        {
            this.documentWorkspace.ZoomOut();
        }

        private void zoomToWindowButton_Click(object sender, EventArgs e)
        {
            this.documentWorkspace.ZoomBasis = ZoomBasis.FitToWindow;
        }

        private void actualSizeButton_Click(object sender, EventArgs e)
        {
            this.documentWorkspace.ZoomBasis = ZoomBasis.ScaleFactor;
            this.documentWorkspace.ScaleFactor = ScaleFactor.OneToOne;
        }

        private void pointerButton_Click(object sender, EventArgs e)
        {
            this.documentWorkspace.ActiveTool = Annotation.Enum.DrawToolType.Pointer;
        }

        private void mobileModeButton_Click(object sender, EventArgs e)
        {
            this.documentWorkspace.ActiveTool = Annotation.Enum.DrawToolType.MoveMode;
        }

        private void Resize_Event(object sender, EventArgs e)
        {
            this.commonControlButtons.Location = new Point((this.panel.Width - this.commonControlButtons.Width) / 2, 0);
            //this.commonControlButtons.Left = (this.panel.Width - this.commonControlButtons.Width) / 2;
        }

        private void InitializeComponent()
        {
            
            this.SuspendLayout();
            
            //
            //底部panel
            //
            this.panel = new Panel();
            this.panel.Height = 30;
            this.panel.Dock = DockStyle.Bottom;
            //
            //初始化操作按钮
            //
            this.commonControlButtons = new CommonControlButtons();
            this.commonControlButtons.Height = 30;
            this.commonControlButtons.Width = 100;
            this.commonControlButtons.HideZoomToWindowAndActualSize();
            
            this.panel.Controls.Add(commonControlButtons);

            this.Controls.Add(this.panel);
            this.ClientSize = new System.Drawing.Size(907, 546);
            this.Name = "ImagePreviewDialog";
            this.ResumeLayout(false);

        }
    }
}