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

namespace FastReport.Table
{
    internal class TableColumnMenu : TableMenuBase
    {
        #region Fields
        private SelectedObjectCollection selection;
        private TableBase table;
        private TableColumn column;
        public ContextMenuItem miInsertColumnToLeft;
        public ContextMenuItem miInsertColumnToRight;
        public ContextMenuItem miAutoSize;
        public ContextMenuItem miCut;
        public ContextMenuItem miPaste;
        public ContextMenuItem miDelete;
        #endregion

        #region Properties
        #endregion

        #region Private Methods
        private void miInsertColumnToLeft_Click(object sender, EventArgs e)
        {
            TableColumn column = new TableColumn();
            table.Columns.Insert(table.Columns.IndexOf(this.column), column);
            table.CreateUniqueNames();
            selection.Clear();
            selection.Add(column);
            Change();
        }

        private void miInsertColumnToRight_Click(object sender, EventArgs e)
        {
            TableColumn column = new TableColumn();
            table.Columns.Insert(table.Columns.IndexOf(this.column) + 1, column);
            table.CreateUniqueNames();
            selection.Clear();
            selection.Add(column);
            Change();
        }

        private void miAutoSize_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < selection.Count; i++)
            {
                (selection[i] as TableColumn).AutoSize = miAutoSize.Checked;
            }
            Change();
        }

        private void miCut_Click(object sender, EventArgs e)
        {
            TableColumn[] columns = new TableColumn[selection.Count];
            for (int i = 0; i < selection.Count; i++)
            {
                columns[i] = selection[i] as TableColumn;
            }
            table.Clipboard.CutColumns(columns);
            selection.Clear();
            selection.Add(table);
            Change();
        }

        private void miPaste_Click(object sender, EventArgs e)
        {
            table.Clipboard.PasteColumns(table.Columns.IndexOf(column));
            Change();
        }

        private void miDelete_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < selection.Count; i++)
            {
                TableColumn column = selection[i] as TableColumn;
                if (column != null)
                {
                    if (column.IsAncestor)
                    {
                        FRMessageBox.Error(String.Format(Res.Get("Messages,DeleteAncestor"), column.Name));
                        break;
                    }
                    else
                        table.Columns.Remove(column);
                }
            }
            selection.Clear();
            selection.Add(table);
            Change();
        }
        #endregion

        public TableColumnMenu(Designer designer) : base(designer)
        {
            selection = Designer.SelectedObjects;
            column = selection[0] as TableColumn;
            table = column.Parent as TableBase;

            miInsertColumnToLeft = CreateMenuItem(220, Res.Get("ComponentMenu,TableColumn,InsertToLeft"), new EventHandler(miInsertColumnToLeft_Click));
            miInsertColumnToRight = CreateMenuItem(221, Res.Get("ComponentMenu,TableColumn,InsertToRight"), new EventHandler(miInsertColumnToRight_Click));
            miAutoSize = CreateMenuItem(Res.Get("ComponentMenu,TableRow,AutoSize"), new EventHandler(miAutoSize_Click));
            miAutoSize.BeginGroup = true;
            miAutoSize.CheckOnClick = true;
            miCut = CreateMenuItem(5, Res.Get("Designer,Menu,Edit,Cut"), new EventHandler(miCut_Click));
            miCut.BeginGroup = true;
            miPaste = CreateMenuItem(7, Res.Get("Designer,Menu,Edit,Paste"), new EventHandler(miPaste_Click));
            miDelete = CreateMenuItem(51, Res.Get("Designer,Menu,Edit,Delete"), new EventHandler(miDelete_Click));

            miAutoSize.Checked = column.AutoSize;
            miCut.Enabled = table.Columns.Count > 1;
            miPaste.Enabled = table.Clipboard.CanPasteColumns;
            miDelete.Enabled = table.Columns.Count > 1;

            Items.AddRange(new ContextMenuItem[] {
                miInsertColumnToLeft, miInsertColumnToRight,
                miAutoSize,
                miCut, miPaste, miDelete });
        }
    }
}