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Merge pull request #1995 from giduac/1784-V95-KryptonDataGridView-reo…
…rders-Columns-during-debugging 1784-V95-KryptonDataGridView-reorders-Columns-during-debugging
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169 changes: 169 additions & 0 deletions
169
...pton Components/Krypton.Toolkit/Controls Toolkit/KryptonDataGridViewCellIndicatorImage.cs
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| @@ -0,0 +1,169 @@ | ||
| #region BSD License | ||
| /* | ||
| * New BSD 3-Clause License (https://github.com/Krypton-Suite/Standard-Toolkit/blob/master/LICENSE) | ||
| * Modifications by Peter Wagner (aka Wagnerp), Simon Coghlan (aka Smurf-IV), Giduac & Ahmed Abdelhameed et al. 2017 - 2025. All rights reserved. | ||
| * | ||
| */ | ||
| #endregion | ||
|
|
||
| namespace Krypton.Toolkit | ||
| { | ||
| /// <summary> | ||
| /// This class is used within advanved columns that make use of embedded controls. | ||
| /// </summary> | ||
| [ToolboxItem(false)] | ||
| internal class KryptonDataGridViewCellIndicatorImage : IDisposable | ||
| { | ||
| #region Fields | ||
| // Cell indicator image | ||
| private Image? _image = null; | ||
| // Size of the image which is always square | ||
| private int _size; | ||
| // Datagridview the column belongs to. | ||
| private KryptonDataGridView? _dataGridView; | ||
| // State of disposal | ||
| private bool _disposed = false; | ||
|
|
||
| // type and state of the image | ||
| private PaletteRibbonGalleryButton _paletteRibbonGalleryButton = PaletteRibbonGalleryButton.Down; | ||
| private PaletteState _paletteState = PaletteState.Normal; | ||
| #endregion Fields | ||
|
|
||
| #region Identity | ||
| /// <summary> | ||
| /// Default constructor. | ||
| /// </summary> | ||
| /// <param name="imageSize">The image size in pixels. Which will always be used to square the image. Default is 14.</param> | ||
| public KryptonDataGridViewCellIndicatorImage(int imageSize = 14) | ||
| { | ||
| _size = imageSize; | ||
|
|
||
| UpdateCellIndicatorImage(true); | ||
| KryptonManager.GlobalPaletteChanged += OnKryptonManagerGlobalPaletteChanged; | ||
| } | ||
| #endregion Identity | ||
|
|
||
| #region Public | ||
| /// <summary> | ||
| /// Reference to the column's DataGridView.<br/> | ||
| /// Set this property via the column's 'protected override void OnDataGridViewChanged()'. | ||
| /// </summary> | ||
| public KryptonDataGridView? DataGridView | ||
| { | ||
| get => _dataGridView; | ||
|
|
||
| set | ||
| { | ||
| if (_dataGridView != value) | ||
| { | ||
| if (_dataGridView is not null) | ||
| { | ||
| _dataGridView.PaletteChanged -= OnDataGridViewPaletteChanged; | ||
| } | ||
|
|
||
| _dataGridView = value; | ||
|
|
||
| if (_dataGridView is not null) | ||
| { | ||
| _dataGridView.PaletteChanged += OnDataGridViewPaletteChanged; | ||
| UpdateCellIndicatorImage(false); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Cell indicator image. | ||
| /// </summary> | ||
| public virtual Image? Image => _image; | ||
|
|
||
| /// <inheritdoc/>> | ||
| public void Dispose() | ||
| { | ||
| Dispose(true); | ||
| } | ||
|
|
||
| /// <inheritdoc cref="Dispose()"/> | ||
| public void Dispose(bool disposing) | ||
| { | ||
| // If the column is disposed at runtime the eventhandlers need to unsubscribe from the grid and kmananger | ||
| try | ||
| { | ||
| if (!_disposed && disposing) | ||
| { | ||
| // Since the DataGridView property is controlled internally, | ||
| // use the cached reference to unsubscribe from the event | ||
| if (_dataGridView is not null) | ||
| { | ||
| _dataGridView.PaletteChanged -= OnDataGridViewPaletteChanged; | ||
| } | ||
|
|
||
| KryptonManager.GlobalPaletteChanged -= OnKryptonManagerGlobalPaletteChanged; | ||
| _dataGridView = null; | ||
|
|
||
| _disposed = true; | ||
| } | ||
| } | ||
| catch { } | ||
| } | ||
| #endregion Public | ||
|
|
||
| #region Private | ||
| /// <summary> | ||
| /// Subscribe this handler to: KryptonDataGridView.PaletteChanged | ||
| /// </summary> | ||
| /// <param name="sender">Not used.</param> | ||
| /// <param name="e">Not used.</param> | ||
| private void OnDataGridViewPaletteChanged(object? sender, EventArgs e) => UpdateCellIndicatorImage(false); | ||
|
|
||
| /// <summary> | ||
| /// Subscribe this handler to: KryptonManager.GlobalPaletteChanged | ||
| /// </summary> | ||
| /// <param name="sender">Not used.</param> | ||
| /// <param name="e">Not used.</param> | ||
| private void OnKryptonManagerGlobalPaletteChanged(object? sender, EventArgs e) => UpdateCellIndicatorImage(true); | ||
|
|
||
| /// <summary> | ||
| /// Updates the cell indicator image based on the source from where the theme change originated. | ||
| /// </summary> | ||
| /// <param name="updateFromKryptonManager">True if KryptonManager fired the theme change, otherwise from KryptonDataGridView.</param> | ||
| private void UpdateCellIndicatorImage(bool updateFromKryptonManager) | ||
| { | ||
| if (updateFromKryptonManager) | ||
| { | ||
| // Probably the case used most, so first to check. | ||
| _image = KryptonManager.CurrentGlobalPalette.GetGalleryButtonImage(_paletteRibbonGalleryButton, _paletteState)!; | ||
| ResizeCellIndicatorImage(); | ||
| } | ||
| else if (DataGridView is KryptonDataGridView dataGridView) | ||
| { | ||
| if (dataGridView.Palette is not null && dataGridView.PaletteMode == PaletteMode.Custom) | ||
| { | ||
| // The grid has a custom palette instance assigned to it and PaletteMode is Custom | ||
| _image = dataGridView.Palette.GetGalleryButtonImage(_paletteRibbonGalleryButton, _paletteState); | ||
| } | ||
| else | ||
| { | ||
| // Fetch through KryptonManager using the locally set palette mode | ||
| _image = KryptonManager | ||
| .GetPaletteForMode(dataGridView.PaletteMode) | ||
| .GetGalleryButtonImage(_paletteRibbonGalleryButton, _paletteState)!; | ||
| } | ||
|
|
||
| ResizeCellIndicatorImage(); | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// This method may only be used by UpdateCellIndicatorImage() | ||
| /// </summary> | ||
| private void ResizeCellIndicatorImage() | ||
| { | ||
| if (_image is not null && (_image.Width != _size || _image.Height != _size)) | ||
| { | ||
| _image = new Bitmap(_image, _size, _size); | ||
| } | ||
| } | ||
| #endregion Private | ||
| } | ||
| } |
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