using FastReport.Design;
using FastReport.DevComponents.DotNetBar;
using FastReport.Utils;
using System.ComponentModel;

namespace FastReport.Controls
{
    /// <summary>
    /// Base class for all toolbars.
    /// </summary>
    [ToolboxItem(false)]
    public class ToolbarBase : Bar
    {
        #region Properties
        /// <summary>
        /// Gets the report designer.
        /// </summary>
        public Designer Designer { get; }

        private bool _fixed;

        /// <summary>
        /// Gets or sets a value that determines whether the toolbar is fixed, i.e. can't float.
        /// </summary>
        public bool Fixed
        {
            get => _fixed;
            set
            {
                _fixed = value;
                if (_fixed)
                {
                    GrabHandleStyle = eGrabHandleStyle.None;
                    RoundCorners = false;
                }
                else
                {
                    GrabHandleStyle = eGrabHandleStyle.Office2003;
                    RoundCorners = true;
                }
            }
        }

        internal CustomizeItem CustomizeItem { get; }
        #endregion

        #region Public Methods
        /// <summary>
        /// Updates UI style of the toolbar.
        /// </summary>
        public virtual void UpdateUIStyle()
        {
            Style = UIStyleUtils.GetDotNetBarStyle(Designer.UIStyle);
        }

        /// <summary>
        /// Updates layout on dpi change.
        /// </summary>
        public new virtual void UpdateDpiDependencies()
        {
            SuspendLayout();
            Font = Designer.LogicalToDevice(DrawUtils.DefaultFont);
            base.UpdateDpiDependencies();
            foreach (BaseItem item in Items)
            {
                ButtonItem b = item as ButtonItem;
                if (b != null && b.ImageIndex != -1)
                {
                    // looks like this is the only way to completely refresh the image displayed (including disabled images).
                    b.Image = Designer.GetImage(b.ImageIndex);
                }
            }
            ResumeLayout();
        }

        internal void SetItemText(BaseItem item, string text)
        {
            item.Tooltip = text;
            item.Text = text;
        }

        /// <summary>
        /// Adds items to this toolbar.
        /// </summary>
        /// <param name="items">Items to add.</param>
        public void AddItems(params IToolbarItem[] items)
        {
            foreach (var item in items)
            {
                Items.Add(item as BaseItem);
            }
            if (!Fixed)
                Items.Add(CustomizeItem);
        }

        #endregion

        /// <summary>
        /// Initializes a new instance of the <see cref="ToolbarBase"/> class with default settings.
        /// </summary>
        /// <param name="designer">The report designer.</param>
        public ToolbarBase(Designer designer) : base()
        {
            Designer = designer;
            GrabHandleStyle = eGrabHandleStyle.Office2003;

            CustomizeItem = new CustomizeItem();
            CustomizeItem.CustomizeItemVisible = false;
        }
    }
}