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/source/library/Interlace/Binding/Views/TextBoxBaseView.cs

https://bitbucket.org/VahidN/interlace
C# | 90 lines | 53 code | 12 blank | 25 comment | 5 complexity | 86f7d3d2524e387e39fcade9cf36c77e MD5 | raw file
  1. #region Using Directives and Copyright Notice
  2. // Copyright (c) 2007-2010, Computer Consultancy Pty Ltd
  3. // All rights reserved.
  4. //
  5. // Redistribution and use in source and binary forms, with or without
  6. // modification, are permitted provided that the following conditions are met:
  7. // * Redistributions of source code must retain the above copyright
  8. // notice, this list of conditions and the following disclaimer.
  9. // * Redistributions in binary form must reproduce the above copyright
  10. // notice, this list of conditions and the following disclaimer in the
  11. // documentation and/or other materials provided with the distribution.
  12. // * Neither the name of the Computer Consultancy Pty Ltd nor the
  13. // names of its contributors may be used to endorse or promote products
  14. // derived from this software without specific prior written permission.
  15. //
  16. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17. // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18. // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19. // ARE DISCLAIMED. IN NO EVENT SHALL COMPUTER CONSULTANCY PTY LTD BE LIABLE
  20. // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21. // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22. // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23. // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24. // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25. // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  26. // DAMAGE.
  27. using System;
  28. using System.Collections.Generic;
  29. using System.Text;
  30. using System.Windows.Forms;
  31. #endregion
  32. namespace Interlace.Binding.Views
  33. {
  34. public class TextBoxBaseView : BinderViewBase
  35. {
  36. TextBoxBase _boundControl;
  37. bool _ignoreChangedEvent;
  38. public TextBoxBaseView(TextBoxBase boundControl)
  39. {
  40. _boundControl = boundControl;
  41. _boundControl.TextChanged += new EventHandler(_boundControl_TextChanged);
  42. }
  43. void _boundControl_TextChanged(object sender, EventArgs e)
  44. {
  45. if (_ignoreChangedEvent) return;
  46. ChangeModel(_boundControl.Text);
  47. }
  48. public override int OrderingIndex
  49. {
  50. get { return _boundControl.TabIndex; }
  51. }
  52. private void SetEditValueAndIgnoreEvents(object value)
  53. {
  54. try
  55. {
  56. _ignoreChangedEvent = true;
  57. _boundControl.Text = value as string;
  58. }
  59. finally
  60. {
  61. _ignoreChangedEvent = false;
  62. }
  63. }
  64. protected override void OnModelChanged(object value)
  65. {
  66. if (value == BinderNotBound.Value || value == BinderMissingProperty.Value)
  67. {
  68. SetEditValueAndIgnoreEvents("");
  69. _boundControl.Enabled = false;
  70. }
  71. else
  72. {
  73. SetEditValueAndIgnoreEvents(value);
  74. _boundControl.Enabled = true;
  75. }
  76. }
  77. }
  78. }