using System;
using FastReport.Controls;
using FastReport.Utils;

namespace FastReport.Design.Toolbars
{
    internal class LayoutToolbar : DesignerToolbarBase
    {
        #region Fields
        public ToolbarButton btnAlignToGrid;
        public ToolbarButton btnLeft;
        public ToolbarButton btnCenter;
        public ToolbarButton btnRight;
        public ToolbarButton btnTop;
        public ToolbarButton btnMiddle;
        public ToolbarButton btnBottom;
        public ToolbarButton btnSameWidth;
        public ToolbarButton btnSameHeight;
        public ToolbarButton btnSameSize;
        public ToolbarButton btnSizeToGrid;
        public ToolbarButton btnSpaceHorizontally;
        public ToolbarButton btnIncreaseHorizontalSpacing;
        public ToolbarButton btnDecreaseHorizontalSpacing;
        public ToolbarButton btnRemoveHorizontalSpacing;
        public ToolbarButton btnSpaceVertically;
        public ToolbarButton btnIncreaseVerticalSpacing;
        public ToolbarButton btnDecreaseVerticalSpacing;
        public ToolbarButton btnRemoveVerticalSpacing;
        public ToolbarButton btnCenterHorizontally;
        public ToolbarButton btnCenterVertically;
        public ToolbarButton btnBringToFront;
        public ToolbarButton btnSendToBack;
        #endregion

        #region Private Methods
        private void UpdateControls()
        {
            bool oneObjSelected = Designer.SelectedComponents.Count > 0;
            bool threeObjSelected = Designer.SelectedComponents.Count >= 3;
            bool severalObjSelected = Designer.SelectedComponents.Count > 1;
            bool canChangeOrder = Designer.SelectedComponents.Count > 0 &&
              Designer.SelectedComponents.First.HasFlag(Flags.CanChangeOrder);
            bool canMove = Designer.SelectedComponents.Count > 0 &&
              Designer.SelectedComponents.First.HasFlag(Flags.CanMove);
            bool canResize = Designer.SelectedComponents.Count > 0 &&
              Designer.SelectedComponents.First.HasFlag(Flags.CanResize);

            btnAlignToGrid.Enabled = oneObjSelected && canMove;
            btnLeft.Enabled = severalObjSelected && canMove;
            btnCenter.Enabled = severalObjSelected && canMove;
            btnRight.Enabled = severalObjSelected && canMove;
            btnTop.Enabled = severalObjSelected && canMove;
            btnMiddle.Enabled = severalObjSelected && canMove;
            btnBottom.Enabled = severalObjSelected && canMove;
            btnSameWidth.Enabled = severalObjSelected && canResize;
            btnSameHeight.Enabled = severalObjSelected && canResize;
            btnSameSize.Enabled = severalObjSelected && canResize;
            btnSizeToGrid.Enabled = oneObjSelected && canResize;
            btnSpaceHorizontally.Enabled = threeObjSelected && canMove;
            btnIncreaseHorizontalSpacing.Enabled = severalObjSelected && canMove;
            btnDecreaseHorizontalSpacing.Enabled = severalObjSelected && canMove;
            btnRemoveHorizontalSpacing.Enabled = severalObjSelected && canMove;
            btnSpaceVertically.Enabled = threeObjSelected && canMove;
            btnIncreaseVerticalSpacing.Enabled = severalObjSelected && canMove;
            btnDecreaseVerticalSpacing.Enabled = severalObjSelected && canMove;
            btnRemoveVerticalSpacing.Enabled = severalObjSelected && canMove;
            btnCenterHorizontally.Enabled = oneObjSelected && canMove;
            btnCenterVertically.Enabled = oneObjSelected && canMove;
            btnBringToFront.Enabled = canChangeOrder;
            btnSendToBack.Enabled = canChangeOrder;
        }

        #endregion

        #region Public Methods
        public override void SelectionChanged()
        {
            base.SelectionChanged();
            Throttle.Execute(UpdateControls);
        }

        public override void UpdateContent()
        {
            base.UpdateContent();
            Throttle.Execute(UpdateControls);
        }

        public override void Localize()
        {
            base.Localize();
            MyRes res = new MyRes("Designer,Toolbar,Layout");
            Text = res.Get("");

            SetItemText(btnAlignToGrid, res.Get("AlignToGrid"));
            SetItemText(btnLeft, res.Get("Left"));
            SetItemText(btnCenter, res.Get("Center"));
            SetItemText(btnRight, res.Get("Right"));
            SetItemText(btnTop, res.Get("Top"));
            SetItemText(btnMiddle, res.Get("Middle"));
            SetItemText(btnBottom, res.Get("Bottom"));
            SetItemText(btnSameWidth, res.Get("SameWidth"));
            SetItemText(btnSameHeight, res.Get("SameHeight"));
            SetItemText(btnSameSize, res.Get("SameSize"));
            SetItemText(btnSizeToGrid, res.Get("SizeToGrid"));
            SetItemText(btnSpaceHorizontally, res.Get("SpaceHorizontally"));
            SetItemText(btnIncreaseHorizontalSpacing, res.Get("IncreaseHorizontalSpacing"));
            SetItemText(btnDecreaseHorizontalSpacing, res.Get("DecreaseHorizontalSpacing"));
            SetItemText(btnRemoveHorizontalSpacing, res.Get("RemoveHorizontalSpacing"));
            SetItemText(btnSpaceVertically, res.Get("SpaceVertically"));
            SetItemText(btnIncreaseVerticalSpacing, res.Get("IncreaseVerticalSpacing"));
            SetItemText(btnDecreaseVerticalSpacing, res.Get("DecreaseVerticalSpacing"));
            SetItemText(btnRemoveVerticalSpacing, res.Get("RemoveVerticalSpacing"));
            SetItemText(btnCenterHorizontally, res.Get("CenterHorizontally"));
            SetItemText(btnCenterVertically, res.Get("CenterVertically"));
            SetItemText(btnBringToFront, res.Get("BringToFront"));
            SetItemText(btnSendToBack, res.Get("SendToBack"));
        }
        #endregion

        public LayoutToolbar(Designer designer)
            : base(designer)
        {
            Name = "LayoutToolbar";

            btnAlignToGrid = new ToolbarButton("btnLayoutAlignToGrid", 98, Designer.SelectedComponents.AlignToGrid);
            btnSizeToGrid = new ToolbarButton("btnLayoutSizeToGrid", 57, Designer.SelectedComponents.SizeToGrid);
            btnLeft = new ToolbarButton("btnLayoutLeft", 41, Designer.SelectedComponents.AlignLeft);
            btnLeft.BeginGroup = true;
            btnCenter = new ToolbarButton("btnLayoutCenter", 42, Designer.SelectedComponents.AlignCenter);
            btnRight = new ToolbarButton("btnLayoutRight", 45, Designer.SelectedComponents.AlignRight);
            btnTop = new ToolbarButton("btnLayoutTop", 46, Designer.SelectedComponents.AlignTop);
            btnTop.BeginGroup = true;
            btnMiddle = new ToolbarButton("btnLayoutMiddle", 47, Designer.SelectedComponents.AlignMiddle);
            btnBottom = new ToolbarButton("btnLayoutBottom", 50, Designer.SelectedComponents.AlignBottom);
            btnSameWidth = new ToolbarButton("btnLayoutSameWidth", 83, Designer.SelectedComponents.SameWidth);
            btnSameWidth.BeginGroup = true;
            btnSameHeight = new ToolbarButton("btnLayoutSameHeight", 84, Designer.SelectedComponents.SameHeight);
            btnSameSize = new ToolbarButton("btnLayoutSameSize", 91, Designer.SelectedComponents.SameSize);
            btnSpaceHorizontally = new ToolbarButton("btnLayoutSpaceHorizontally", 44, Designer.SelectedComponents.SpaceHorizontally);
            btnSpaceHorizontally.BeginGroup = true;
            btnIncreaseHorizontalSpacing = new ToolbarButton("btnLayoutIncreaseHorizontalSpacing", 92, Designer.SelectedComponents.IncreaseHorizontalSpacing);
            btnDecreaseHorizontalSpacing = new ToolbarButton("btnLayoutDecreaseHorizontalSpacing", 93, Designer.SelectedComponents.DecreaseHorizontalSpacing);
            btnRemoveHorizontalSpacing = new ToolbarButton("btnLayoutRemoveHorizontalSpacing", 94, Designer.SelectedComponents.RemoveHorizontalSpacing);
            btnSpaceVertically = new ToolbarButton("btnLayoutSpaceVertically", 49, Designer.SelectedComponents.SpaceVertically);
            btnSpaceVertically.BeginGroup = true;
            btnIncreaseVerticalSpacing = new ToolbarButton("btnLayoutIncreaseVerticalSpacing", 95, Designer.SelectedComponents.IncreaseVerticalSpacing);
            btnDecreaseVerticalSpacing = new ToolbarButton("btnLayoutDecreaseVerticalSpacing", 96, Designer.SelectedComponents.DecreaseVerticalSpacing);
            btnRemoveVerticalSpacing = new ToolbarButton("btnLayoutRemoveVerticalSpacing", 97, Designer.SelectedComponents.RemoveVerticalSpacing);
            btnCenterHorizontally = new ToolbarButton("btnLayoutCenterHorizontally", 43, Designer.SelectedComponents.CenterHorizontally);
            btnCenterHorizontally.BeginGroup = true;
            btnCenterVertically = new ToolbarButton("btnLayoutCenterVertically", 48, Designer.SelectedComponents.CenterVertically);
            btnBringToFront = new ToolbarButton("btnLayoutBringToFront", 14, Designer.cmdBringToFront.Invoke);
            btnBringToFront.BeginGroup = true;
            btnSendToBack = new ToolbarButton("btnLayoutSendToBack", 15, Designer.cmdSendToBack.Invoke);

            AddItems(
                btnAlignToGrid, btnSizeToGrid,
                btnLeft, btnCenter, btnRight,
                btnTop, btnMiddle, btnBottom,
                btnSameWidth, btnSameHeight, btnSameSize,
                btnSpaceHorizontally, btnIncreaseHorizontalSpacing, btnDecreaseHorizontalSpacing, btnRemoveHorizontalSpacing,
                btnSpaceVertically, btnIncreaseVerticalSpacing, btnDecreaseVerticalSpacing, btnRemoveVerticalSpacing,
                btnCenterHorizontally, btnCenterVertically,
                btnBringToFront, btnSendToBack);

            Localize();
            UpdateDpiDependencies();
        }

    }

}