using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.ComponentModel;
using FastReport.Design;
using FastReport.Utils;

namespace FastReport
{
    /// <summary>
    /// This class represents the context menu of the <see cref="BreakableComponent"/>.
    /// </summary>
    /// <remarks>
    /// This class adds the "Can Break" menu item to the component context menu.
    /// </remarks>
    [ToolboxItem(false)]
    public class BreakableComponentMenu : ReportComponentBaseMenu
    {
        private SelectedObjectCollection selection;
        /// <summary>
        /// The "Can Break" menu item.
        /// </summary>
        public ContextMenuItem miCanBreak;

        private void miCanBreak_Click(object sender, EventArgs e)
        {
            foreach (Base c in selection)
            {
                if (c is BreakableComponent && !c.HasRestriction(Restrictions.DontModify))
                    (c as BreakableComponent).CanBreak = miCanBreak.Checked;
            }
            Change();
        }

        /// <summary>
        /// Initializes a new instance of the <b>BreakableComponentMenu</b> class with default settings. 
        /// </summary>
        public BreakableComponentMenu(Designer designer) : base(designer)
        {
            selection = Designer.SelectedObjects;

            miCanBreak = CreateMenuItem(Res.Get("ComponentMenu,BreakableComponent,CanBreak"), new EventHandler(miCanBreak_Click));
            miCanBreak.CheckOnClick = true;

            int insertPos = Items.IndexOf(miCanShrink);
            Items.Insert(insertPos + 1, miCanBreak);

            if (selection[0] is BreakableComponent)
            {
                BreakableComponent component = selection[0] as BreakableComponent;
                miCanBreak.Enabled = !component.HasRestriction(Restrictions.DontModify);
                miCanBreak.Checked = component.CanBreak;
            }
        }
    }
}