550 lines
12 KiB
C#
550 lines
12 KiB
C#
using System;
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using System.ComponentModel;
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using System.Data.SqlTypes;
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using System.Drawing;
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using System.Windows.Forms;
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using DevComponents.DotNetBar.SuperGrid.Style;
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namespace DevComponents.DotNetBar.SuperGrid
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{
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///<summary>
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/// GridNumericUpDownEditControl
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///</summary>
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[ToolboxItem(false)]
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public class GridNumericUpDownEditControl : NumericUpDown, IGridCellEditControl
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{
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#region Private variables
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private GridCell _Cell;
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private EditorPanel _EditorPanel;
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private Bitmap _EditorCellBitmap;
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private bool _ValueChanged;
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private bool _SuspendUpdate;
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private StretchBehavior _StretchBehavior = StretchBehavior.None;
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#endregion
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///<summary>
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/// GridNumericUpDownEditControl
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///</summary>
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public GridNumericUpDownEditControl()
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{
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DecimalPlaces = 4;
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}
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#region OnTextChanged
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/// <summary>
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/// OnTextChanged
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/// </summary>
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/// <param name="e"></param>
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protected override void OnTextChanged(EventArgs e)
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{
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if (_Cell != null && _SuspendUpdate == false)
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_Cell.EditorValueChanged(this);
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base.OnTextChanged(e);
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}
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#endregion
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#region GetValue
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///<summary>
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/// GetValue
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///</summary>
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///<param name="value"></param>
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///<returns></returns>
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public virtual decimal GetValue(object value)
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{
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GridPanel panel = _Cell.GridPanel;
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if (value == null ||
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(panel.NullValue == NullValue.DBNull && value == DBNull.Value))
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{
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return (0);
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}
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if (value is SqlDecimal)
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{
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SqlDecimal sdt = (SqlDecimal)value;
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if (sdt.IsNull == true)
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return (0);
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return (sdt.Value);
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}
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if (value is SqlSingle)
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{
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SqlSingle sdt = (SqlSingle)value;
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if (sdt.IsNull == true)
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return (0);
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return (Convert.ToDecimal(sdt.Value));
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}
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if (value is SqlDouble)
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{
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SqlDouble sdt = (SqlDouble)value;
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if (sdt.IsNull == true)
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return (0);
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return (Convert.ToDecimal(sdt.Value));
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}
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if (_Cell.IsValueExpression == true)
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value = _Cell.GetExpValue((string)value);
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return (Convert.ToDecimal(value));
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}
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#endregion
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#region IGridCellEditControl Members
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#region Public properties
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#region CanInterrupt
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/// <summary>
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/// CanInterrupt
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/// </summary>
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public bool CanInterrupt
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{
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get { return (true); }
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}
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#endregion
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#region CellEditMode
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/// <summary>
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/// CellEditMode
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/// </summary>
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public CellEditMode CellEditMode
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{
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get { return (CellEditMode.Modal); }
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}
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#endregion
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#region EditorCell
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/// <summary>
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/// EditorCell
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/// </summary>
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public GridCell EditorCell
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{
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get { return (_Cell); }
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set { _Cell = value; }
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}
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#endregion
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#region EditorCellBitmap
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///<summary>
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/// EditorCellBitmap
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///</summary>
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public Bitmap EditorCellBitmap
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{
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get { return (_EditorCellBitmap); }
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set
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{
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if (_EditorCellBitmap != null)
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_EditorCellBitmap.Dispose();
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_EditorCellBitmap = value;
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}
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}
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#endregion
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#region EditorFormattedValue
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///<summary>
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/// EditorFormattedValue
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///</summary>
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public virtual string EditorFormattedValue
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{
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get
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{
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if (_Cell != null && _Cell.IsValueNull == true)
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return (_Cell.NullString);
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return (Value.ToString());
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}
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}
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#endregion
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#region EditorPanel
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/// <summary>
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/// EditorPanel
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/// </summary>
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public EditorPanel EditorPanel
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{
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get { return (_EditorPanel); }
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set { _EditorPanel = value; }
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}
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#endregion
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#region EditorValue
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/// <summary>
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/// EditorValue
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/// </summary>
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public virtual object EditorValue
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{
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get
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{
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if (string.IsNullOrEmpty(Text) == true)
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return (0);
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return (Value);
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}
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set { Value = GetValue(value); }
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}
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#endregion
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#region EditorValueChanged
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/// <summary>
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/// EditorValueChanged
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/// </summary>
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public virtual bool EditorValueChanged
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{
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get { return (_ValueChanged); }
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set
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{
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if (_ValueChanged != value)
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{
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_ValueChanged = value;
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if (value == true)
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_Cell.SetEditorDirty(this);
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}
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}
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}
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#endregion
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#region EditorValueType
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///<summary>
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/// EditorValueType
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///</summary>
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public virtual Type EditorValueType
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{
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get { return (typeof(decimal)); }
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}
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#endregion
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#region StretchBehavior
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/// <summary>
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/// StretchBehavior
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/// </summary>
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public virtual StretchBehavior StretchBehavior
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{
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get { return (_StretchBehavior); }
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set { _StretchBehavior = value; }
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}
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#endregion
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#region SuspendUpdate
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/// <summary>
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/// SuspendUpdate
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/// </summary>
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public bool SuspendUpdate
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{
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get { return (_SuspendUpdate); }
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set { _SuspendUpdate = value; }
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}
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#endregion
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#region ValueChangeBehavior
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/// <summary>
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/// ValueChangeBehavior
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/// </summary>
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public virtual ValueChangeBehavior ValueChangeBehavior
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{
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get { return (ValueChangeBehavior.InvalidateRender); }
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}
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#endregion
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#endregion
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#region InitializeContext
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///<summary>
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/// InitializeContext
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///</summary>
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///<param name="cell"></param>
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///<param name="style"></param>
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public virtual void InitializeContext(GridCell cell, CellVisualStyle style)
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{
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_Cell = cell;
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if (style != null)
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{
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Enabled = (_Cell.ReadOnly == false);
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ForeColor = style.TextColor;
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Font = style.Font;
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SetTextAlign(style);
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}
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Value = GetValue(cell.Value);
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Text = Value.ToString();
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_ValueChanged = false;
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}
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#region SetTextAlign
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private void SetTextAlign(CellVisualStyle style)
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{
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switch (style.Alignment)
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{
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case Alignment.TopLeft:
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case Alignment.MiddleLeft:
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case Alignment.BottomLeft:
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TextAlign = HorizontalAlignment.Left;
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break;
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case Alignment.TopCenter:
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case Alignment.MiddleCenter:
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case Alignment.BottomCenter:
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TextAlign = HorizontalAlignment.Center;
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break;
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case Alignment.TopRight:
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case Alignment.MiddleRight:
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case Alignment.BottomRight:
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TextAlign = HorizontalAlignment.Right;
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break;
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}
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}
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#endregion
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#endregion
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#region GetProposedSize
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///<summary>
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/// GetProposedSize
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///</summary>
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///<param name="g"></param>
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///<param name="cell"></param>
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///<param name="style"></param>
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///<param name="constraintSize"></param>
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///<returns></returns>
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public virtual Size GetProposedSize(Graphics g,
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GridCell cell, CellVisualStyle style, Size constraintSize)
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{
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AutoSize = true;
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Size size = GetPreferredSize(constraintSize);
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AutoSize = false;
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if (constraintSize.Width > 0)
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size.Width = constraintSize.Width;
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return (size);
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}
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#endregion
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#region Edit support
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#region BeginEdit
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/// <summary>
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/// BeginEdit
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/// </summary>
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/// <param name="selectAll"></param>
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/// <returns></returns>
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public virtual bool BeginEdit(bool selectAll)
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{
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if (selectAll == true)
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Select(0, 100);
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else
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Select(Text.Length, 1);
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Show();
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Focus();
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return (false);
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}
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#endregion
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#region EndEdit
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/// <summary>
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/// EndEdit
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/// </summary>
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/// <returns></returns>
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public virtual bool EndEdit()
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{
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return (false);
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}
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#endregion
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#region CancelEdit
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/// <summary>
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/// CancelEdit
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/// </summary>
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/// <returns></returns>
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public virtual bool CancelEdit()
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{
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return (false);
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}
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#endregion
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#endregion
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#region CellRender
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/// <summary>
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/// CellRender
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/// </summary>
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/// <param name="g"></param>
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public virtual void CellRender(Graphics g)
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{
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_Cell.CellRender(this, g);
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}
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#endregion
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#region Keyboard support
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#region CellKeyDown
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///<summary>
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/// CellKeyDown
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///</summary>
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public virtual void CellKeyDown(KeyEventArgs e)
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{
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}
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#endregion
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#region WantsInputKey
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/// <summary>
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/// WantsInputKey
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/// </summary>
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/// <param name="key"></param>
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/// <param name="gridWantsKey"></param>
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/// <returns></returns>
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public virtual bool WantsInputKey(Keys key, bool gridWantsKey)
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{
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switch (key & Keys.KeyCode)
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{
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case Keys.Left:
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case Keys.Right:
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case Keys.Home:
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case Keys.End:
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case Keys.Up:
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case Keys.Down:
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return (true);
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default:
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return (gridWantsKey == false);
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}
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}
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#endregion
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#endregion
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#region Mouse support
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#region OnCellMouseMove
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///<summary>
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/// OnCellMouseMove
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///</summary>
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///<param name="e"></param>
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public virtual void OnCellMouseMove(MouseEventArgs e)
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{
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}
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#endregion
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#region OnCellMouseEnter
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///<summary>
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/// OnCellMouseEnter
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///</summary>
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///<param name="e"></param>
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public virtual void OnCellMouseEnter(EventArgs e)
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{
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}
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#endregion
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#region OnCellMouseLeave
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///<summary>
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/// OnCellMouseLeave
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///</summary>
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///<param name="e"></param>
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public virtual void OnCellMouseLeave(EventArgs e)
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{
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}
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#endregion
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#region OnCellMouseUp
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///<summary>
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/// OnCellMouseUp
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///</summary>
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///<param name="e"></param>
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public virtual void OnCellMouseUp(MouseEventArgs e)
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{
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}
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#endregion
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#region OnCellMouseDown
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///<summary>
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/// OnCellMouseDown
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///</summary>
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///<param name="e"></param>
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public virtual void OnCellMouseDown(MouseEventArgs e)
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{
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}
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#endregion
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#endregion
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#endregion
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}
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}
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