//
// Author:
// Pedro MartÃnez Juliá <pedromj@gmail.com>
+// Ivan N. Zlatev <contact@i-nz.net>
//
#if NET_2_0
private HScrollBar horizontalScrollBar;
private VScrollBar verticalScrollBar;
private Control editingControl;
-
+ private bool is_autogenerating_columns = false;
+ private bool is_binding = false;
+ private bool new_row_editing = false;
+
// These are used to implement selection behaviour with SHIFT pressed.
private int selected_row = -1;
private int selected_column = -1;
DataGridViewHeaderCell pressed_header_cell;
DataGridViewHeaderCell entered_header_cell;
+ // For column/row resizing via mouse
+ private bool column_resize_active = false;
+ private bool row_resize_active = false;
+ private int resize_band = -1;
+ private int resize_band_start = 0;
+ private int resize_band_delta = 0;
+
public DataGridView ()
{
SetStyle (ControlStyles.Opaque, true);
backColor = Control.DefaultBackColor;
backgroundColor = SystemColors.AppWorkspace;
borderStyle = BorderStyle.FixedSingle;
- cellBorderStyle = DataGridViewCellBorderStyle.None;
+ cellBorderStyle = DataGridViewCellBorderStyle.Single;
clipboardCopyMode = DataGridViewClipboardCopyMode.EnableWithAutoHeaderText;
columnHeadersBorderStyle = DataGridViewHeaderBorderStyle.Single;
columnHeadersDefaultCellStyle = new DataGridViewCellStyle();
columnHeadersVisible = true;
columns = CreateColumnsInstance();
columns.CollectionChanged += OnColumnCollectionChanged;
+ currentCellAddress = new Point (-1, -1);
dataMember = String.Empty;
defaultCellStyle = new DataGridViewCellStyle();
defaultCellStyle.BackColor = SystemColors.Window;
defaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleLeft;
defaultCellStyle.WrapMode = DataGridViewTriState.False;
editMode = DataGridViewEditMode.EditOnKeystrokeOrF2;
+ firstDisplayedScrollingColumnHiddenWidth = 0;
+ isCurrentCellDirty = false;
multiSelect = true;
readOnly = false;
rowHeadersBorderStyle = DataGridViewHeaderBorderStyle.Single;
[DefaultValue (true)]
public bool AllowUserToAddRows {
- get { return allowUserToAddRows; }
+ get {
+ if (allowUserToAddRows && DataManager != null)
+ return DataManager.AllowNew;
+ return allowUserToAddRows;
+ }
set {
if (allowUserToAddRows != value) {
allowUserToAddRows = value;
[DefaultValue (true)]
public bool AllowUserToDeleteRows {
- get { return allowUserToDeleteRows; }
+ get {
+ if (allowUserToDeleteRows && DataManager != null)
+ return DataManager.AllowRemove;
+ return allowUserToDeleteRows;
+ }
set {
if (allowUserToDeleteRows != value) {
allowUserToDeleteRows = value;
get { return cellBorderStyle; }
set {
if (cellBorderStyle != value) {
+ if (value == DataGridViewCellBorderStyle.Custom)
+ throw new ArgumentException ("CellBorderStyle cannot be set to Custom.");
+
cellBorderStyle = value;
- OnCellBorderStyleChanged(EventArgs.Empty);
+
+ DataGridViewAdvancedBorderStyle border = new DataGridViewAdvancedBorderStyle ();
+
+ switch (cellBorderStyle) {
+ case DataGridViewCellBorderStyle.Single:
+ border.All = DataGridViewAdvancedCellBorderStyle.Single;
+ break;
+ case DataGridViewCellBorderStyle.Raised:
+ case DataGridViewCellBorderStyle.RaisedVertical:
+ border.Bottom = DataGridViewAdvancedCellBorderStyle.None;
+ border.Top = DataGridViewAdvancedCellBorderStyle.None;
+ border.Left = DataGridViewAdvancedCellBorderStyle.Outset;
+ border.Right = DataGridViewAdvancedCellBorderStyle.Outset;
+ break;
+ case DataGridViewCellBorderStyle.Sunken:
+ border.All = DataGridViewAdvancedCellBorderStyle.Inset;
+ break;
+ case DataGridViewCellBorderStyle.None:
+ border.All = DataGridViewAdvancedCellBorderStyle.None;
+ break;
+ case DataGridViewCellBorderStyle.SingleVertical:
+ border.Bottom = DataGridViewAdvancedCellBorderStyle.None;
+ border.Top = DataGridViewAdvancedCellBorderStyle.None;
+ border.Left = DataGridViewAdvancedCellBorderStyle.None;
+ border.Right = DataGridViewAdvancedCellBorderStyle.Single;
+ break;
+ case DataGridViewCellBorderStyle.SunkenVertical:
+ border.Bottom = DataGridViewAdvancedCellBorderStyle.None;
+ border.Top = DataGridViewAdvancedCellBorderStyle.None;
+ border.Left = DataGridViewAdvancedCellBorderStyle.Inset;
+ border.Right = DataGridViewAdvancedCellBorderStyle.Inset;
+ break;
+ case DataGridViewCellBorderStyle.SingleHorizontal:
+ case DataGridViewCellBorderStyle.SunkenHorizontal:
+ border.Bottom = DataGridViewAdvancedCellBorderStyle.Inset;
+ border.Top = DataGridViewAdvancedCellBorderStyle.Inset;
+ border.Left = DataGridViewAdvancedCellBorderStyle.None;
+ border.Right = DataGridViewAdvancedCellBorderStyle.None;
+ break;
+ case DataGridViewCellBorderStyle.RaisedHorizontal:
+ border.Bottom = DataGridViewAdvancedCellBorderStyle.Outset;
+ border.Top = DataGridViewAdvancedCellBorderStyle.Outset;
+ border.Left = DataGridViewAdvancedCellBorderStyle.None;
+ border.Right = DataGridViewAdvancedCellBorderStyle.None;
+ break;
+ }
+
+ advancedCellBorderStyle = border;
+
+ OnCellBorderStyleChanged (EventArgs.Empty);
}
}
}
/// to the data cache, or the new cell is in a hidden
/// row.
/////////////////////////////////////////////////////
- if (value.DataGridView != this) {
+ if (value == null)
+ MoveCurrentCell (-1, -1, true, false, false, true);
+ else if (value.DataGridView != this)
throw new ArgumentException("The cell is not in this DataGridView.");
- }
- currentCell = value;
- currentRow = currentCell.OwningRow;
+ else
+ MoveCurrentCell (value.OwningColumn.Index, value.OwningRow.Index, true, false, false, true);
}
}
[Browsable (false)]
public DataGridViewRow CurrentRow {
- get { return currentRow; }
+ get {
+ if (currentCell != null)
+ return currentCell.OwningRow;
+ return null;
+ }
}
[DefaultValue ("")]
get { return dataMember; }
set {
if (dataMember != value) {
- ClearBinding ();
-
dataMember = value;
+ ReBind ();
OnDataMemberChanged(EventArgs.Empty);
-
- DoBinding ();
}
}
}
public object DataSource {
get { return dataSource; }
set {
- if (dataSource != value) {
- /* The System.Windows.Forms.DataGridView class supports the standard Windows Forms data-binding model. This means the data source can be of any type that implements:
- - the System.Collections.IList interface, including one-dimensional arrays.
- - the System.ComponentModel.IListSource interface, such as the System.Data.DataTable and System.Data.DataSet classes.
- - the System.ComponentModel.IBindingList interface, such as the System.ComponentModel.Collections.BindingList<> class.
- - the System.ComponentModel.IBindingListView interface, such as the System.Windows.Forms.BindingSource class.
- */
- if (!(value == null || value is IList || value is IListSource || value is IBindingList || value is IBindingListView)) {
- throw new NotSupportedException("Type cant be binded.");
- }
-
- ClearBinding ();
-
- dataSource = value;
- OnDataSourceChanged (EventArgs.Empty);
+ /* The System.Windows.Forms.DataGridView class supports the standard Windows Forms data-binding model. This means the data source can be of any type that implements:
+ - the System.Collections.IList interface, including one-dimensional arrays.
+ - the System.ComponentModel.IListSource interface, such as the System.Data.DataTable and System.Data.DataSet classes.
+ - the System.ComponentModel.IBindingList interface, such as the System.ComponentModel.Collections.BindingList<> class.
+ - the System.ComponentModel.IBindingListView interface, such as the System.Windows.Forms.BindingSource class.
+ */
+ if (!(value == null || value is IList || value is IListSource || value is IBindingList || value is IBindingListView))
+ throw new NotSupportedException ("Type cannot be bound.");
- DoBinding ();
+ dataSource = value;
+ ReBind ();
+ OnDataSourceChanged (EventArgs.Empty);
+ }
+ }
+
+ internal CurrencyManager DataManager {
+ get {
+ if (DataSource != null && BindingContext != null) {
+ string dataMember = DataMember;
+ if (dataMember == null)
+ dataMember = String.Empty;
+ return (CurrencyManager) this.BindingContext[DataSource, dataMember];
}
+ return null;
}
}
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
public int NewRowIndex {
get {
- if (!allowUserToAddRows) {
+ if (!AllowUserToAddRows || ColumnCount == 0) {
return -1;
}
return rows.Count - 1;
if (value < 0) {
throw new ArgumentException("RowCount must be >= 0.");
}
- if (value < 1 && allowUserToAddRows) {
+ if (value < 1 && AllowUserToAddRows) {
throw new ArgumentException("RowCount must be >= 1 if AllowUserToAddRows is true.");
}
if (dataSource != null) {
ColumnCount = 1;
for (int i = rows.Count; i < value; i++) {
- DataGridViewRow row = (DataGridViewRow) RowTemplate.Clone ();
+ DataGridViewRow row = (DataGridViewRow) RowTemplateFull;
rows.AddInternal (row, false);
foreach (DataGridViewColumn col in columns)
}
}
+ // RowTemplate is just the row, it does not contain Cells
[Browsable (true)]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
public DataGridViewRow RowTemplate {
}
}
+ // Take the RowTemplate, clone it, and add Cells
+ // Note this is not stored, so you don't need to Clone it
internal DataGridViewRow RowTemplateFull {
get {
DataGridViewRow row = (DataGridViewRow) RowTemplate.Clone ();
public virtual bool BeginEdit (bool selectAll) {
if (currentCell == null || currentCell.IsInEditMode)
return false;
-
+
if (currentCell.RowIndex >= 0) {
if ((currentCell.InheritedState & DataGridViewElementStates.ReadOnly) == DataGridViewElementStates.ReadOnly) {
return false;
}
}
-
+
DataGridViewCell cell = currentCell;
Type editType = cell.EditType;
if (e.Cancel)
return false;
-
+
cell.SetIsInEditMode (true);
// The cell has an editing control we need to setup
cell.PositionEditingControl (true, true, this.GetCellDisplayRectangle (cell.ColumnIndex, cell.RowIndex, false), bounds, style, false, false, (columns [cell.ColumnIndex].DisplayIndex == 0), (cell.RowIndex == 0));
// Show the editing control
- EditingControlInternal.Visible = true;
+ if (EditingControlInternal != null)
+ EditingControlInternal.Visible = true;
- // Allow editing control to set focus as needed
- (EditingControlInternal as IDataGridViewEditingControl).PrepareEditingControlForEdit (selectAll);
-
+ IDataGridViewEditingControl dgvEditingControl = (IDataGridViewEditingControl) EditingControlInternal;
+ if (dgvEditingControl != null) {
+ dgvEditingControl.EditingControlDataGridView = this;
+ dgvEditingControl.EditingControlRowIndex = currentCell.OwningRow.Index;
+ dgvEditingControl.ApplyCellStyleToEditingControl (style);
+ dgvEditingControl.PrepareEditingControlForEdit (selectAll);
+ dgvEditingControl.EditingControlFormattedValue = currentCell.EditedFormattedValue;
+ }
return true;
}
public bool CancelEdit ()
{
- if (currentCell != null && currentCell.IsInEditMode) {
- currentCell.SetIsInEditMode (false);
- currentCell.DetachEditingControl ();
- OnCellEndEdit (new DataGridViewCellEventArgs (currentCell.ColumnIndex, currentCell.RowIndex));
+ if (currentCell != null) {
+ if (currentCell.IsInEditMode) {
+ currentCell.SetIsInEditMode (false);
+ currentCell.DetachEditingControl ();
+ }
+
+ if (currentCell.RowIndex == NewRowIndex) {
+ if (DataManager != null)
+ DataManager.CancelCurrentEdit ();
+
+ new_row_editing = false;
+ PrepareEditingRow (false, false);
+ MoveCurrentCell (currentCell.ColumnIndex, NewRowIndex, true, false, false, true);
+ OnUserDeletedRow (new DataGridViewRowEventArgs (EditingRow));
+ }
}
return true;
public bool CommitEdit (DataGridViewDataErrorContexts context)
{
- if (currentCell != null && currentCell.IsInEditMode) {
- IDataGridViewEditingControl ctrl = EditingControl as IDataGridViewEditingControl;
- ctrl.GetEditingControlFormattedValue (DataGridViewDataErrorContexts.Commit);
- currentCell.Value = ctrl.GetEditingControlFormattedValue (DataGridViewDataErrorContexts.Commit);
+ if (currentCell == null)
return true;
+
+ try {
+ currentCell.Value = currentCell.ParseFormattedValue (currentCell.EditedFormattedValue,
+ currentCell.InheritedStyle, null, null);
+ } catch (Exception e) {
+ DataGridViewDataErrorEventArgs args = new DataGridViewDataErrorEventArgs (e, currentCell.ColumnIndex, currentCell.RowIndex,
+ DataGridViewDataErrorContexts.Commit);
+ OnDataError (false, args);
+ if (args.ThrowException)
+ throw e;
+ return false;
}
-
- return false;
+ return true;
}
[MonoTODO ("Always includes partial columns")]
return result;
}
- [MonoTODO ("Always includes partial rows")]
public int DisplayedRowCount (bool includePartialRow)
{
int result = 0;
-
- for (int i = first_row_index; i < Rows.Count; i++)
- if (Rows[i].Displayed)
+ int rowTop = 0;
+
+ if (ColumnHeadersVisible)
+ rowTop += ColumnHeadersHeight;
+
+ for (int index = first_row_index; index < Rows.Count; index++) {
+ DataGridViewRow row = GetRowInternal (index);
+ if (rowTop + row.Height <= ClientSize.Height) {
result++;
- else
+ rowTop += row.Height;
+ } else {
+ if (includePartialRow)
+ result++;
break;
+ }
+ }
return result;
}
public bool EndEdit ()
{
- if (currentCell != null && currentCell.IsInEditMode) {
- if (EditingControl != null) {
- IDataGridViewEditingControl ctrl = EditingControl as IDataGridViewEditingControl;
- ctrl.GetEditingControlFormattedValue (DataGridViewDataErrorContexts.Commit);
- currentCell.Value = ctrl.GetEditingControlFormattedValue (DataGridViewDataErrorContexts.Commit);
-
- currentCell.SetIsInEditMode (false);
- currentCell.DetachEditingControl ();
- } else if (currentCell is IDataGridViewEditingCell) {
- currentCell.Value = (currentCell as IDataGridViewEditingCell).EditingCellFormattedValue;
- currentCell.SetIsInEditMode (false);
- }
-
- OnCellEndEdit (new DataGridViewCellEventArgs (currentCell.ColumnIndex, currentCell.RowIndex));
- }
-
- return true;
+ return EndEdit (DataGridViewDataErrorContexts.Commit);
}
[MonoTODO ("Does not use context parameter")]
public bool EndEdit (DataGridViewDataErrorContexts context)
{
- return EndEdit ();
+ if (currentCell == null || !currentCell.IsInEditMode)
+ return true;
+
+ if (!CommitEdit (context)) {
+ if (DataManager != null)
+ DataManager.EndCurrentEdit ();
+ if (EditingControl != null)
+ EditingControl.Focus ();
+ return false;
+ }
+
+ currentCell.SetIsInEditMode (false);
+ currentCell.DetachEditingControl ();
+ OnCellEndEdit (new DataGridViewCellEventArgs (currentCell.ColumnIndex, currentCell.RowIndex));
+ Focus ();
+ if (currentCell.RowIndex == NewRowIndex) {
+ new_row_editing = false;
+ editing_row = null; // editing row becomes a real row
+ PrepareEditingRow (true, false); // add a new editing row
+ MoveCurrentCell (currentCell.ColumnIndex, NewRowIndex, true, false, false, true);
+ }
+ return true;
}
public int GetCellCount (DataGridViewElementStates includeFilter) {
}
public virtual void NotifyCurrentCellDirty (bool dirty) {
- throw new NotImplementedException();
+ if (currentCell != null)
+ InvalidateCell (currentCell);
}
public bool RefreshEdit ()
throw new ArgumentNullException ("dataGridViewColumn");
if (dataGridViewColumn.DataGridView != this)
throw new ArgumentException ("dataGridViewColumn");
- // XXX: This is thrown too much, disable for now..
- //if (DataSource != null && !dataGridViewColumn.IsDataBound)
- // throw new ArgumentException ("dataGridViewColumn");
- if (VirtualMode && !dataGridViewColumn.IsDataBound)
- throw new InvalidOperationException ();
+
+ if (!EndEdit ())
+ return;
if (SortedColumn != null)
SortedColumn.HeaderCell.SortGlyphDirection = SortOrder.None;
- EndEdit ();
-
- // Figure out if this is a numeric sort or text sort
- bool is_numeric = true;
- double n;
+ sortedColumn = dataGridViewColumn;
+ sortOrder = direction == ListSortDirection.Ascending ? SortOrder.Ascending : SortOrder.Descending;
- foreach (DataGridViewRow row in Rows) {
- object val = row.Cells[dataGridViewColumn.Index].Value;
+ if (Rows.Count == 0)
+ return;
+
+ if (dataGridViewColumn.IsDataBound) {
+ IBindingList bindingList = DataManager.List as IBindingList;
+ if (bindingList != null && bindingList.SupportsSorting) {
+ bindingList.ApplySort (DataManager.GetItemProperties()[dataGridViewColumn.DataPropertyName], direction);
+ dataGridViewColumn.HeaderCell.SortGlyphDirection = sortOrder;
+ }
+ } else {
+ // Figure out if this is a numeric sort or text sort
+ bool is_numeric = true;
+ double n;
- if (val != null && !double.TryParse (val.ToString (), out n)) {
- is_numeric = false;
- break;
+ foreach (DataGridViewRow row in Rows) {
+ object val = row.Cells[dataGridViewColumn.Index].Value;
+
+ if (val != null && !double.TryParse (val.ToString (), out n)) {
+ is_numeric = false;
+ break;
+ }
}
+
+ ColumnSorter sorter = new ColumnSorter (dataGridViewColumn, direction, is_numeric);
+ Rows.Sort (sorter);
+ dataGridViewColumn.HeaderCell.SortGlyphDirection = sortOrder;
}
-
- ColumnSorter sorter = new ColumnSorter (dataGridViewColumn, direction, is_numeric);
- Rows.Sort (sorter);
-
- sortedColumn = dataGridViewColumn;
- sortOrder = (SortOrder)direction + 1;
-
- dataGridViewColumn.HeaderCell.SortGlyphDirection = (SortOrder)direction + 1;
Invalidate ();
-
OnSorted (EventArgs.Empty);
}
eh (this, e);
}
- protected virtual void OnAutoSizeColumnModeChanged (DataGridViewAutoSizeColumnModeEventArgs e)
+ protected internal virtual void OnAutoSizeColumnModeChanged (DataGridViewAutoSizeColumnModeEventArgs e)
{
DataGridViewAutoSizeColumnModeEventHandler eh = (DataGridViewAutoSizeColumnModeEventHandler)(Events [AutoSizeColumnModeChangedEvent]);
if (eh != null)
protected override void OnBindingContextChanged (EventArgs e)
{
base.OnBindingContextChanged(e);
+ ReBind();
}
protected virtual void OnBorderStyleChanged (EventArgs e)
eh (this, e);
}
+ internal void OnCellStateChangedInternal (DataGridViewCellStateChangedEventArgs e) {
+ this.OnCellStateChanged (e);
+ }
+
protected virtual void OnCellStateChanged (DataGridViewCellStateChangedEventArgs e)
{
DataGridViewCellStateChangedEventHandler eh = (DataGridViewCellStateChangedEventHandler)(Events [CellStateChangedEvent]);
eh (this, e);
}
- protected virtual void OnCellValueNeeded (DataGridViewCellValueEventArgs e)
+ protected internal virtual void OnCellValueNeeded (DataGridViewCellValueEventArgs e)
{
DataGridViewCellValueEventHandler eh = (DataGridViewCellValueEventHandler)(Events [CellValueNeededEvent]);
if (eh != null)
internal void OnColumnAddedInternal (DataGridViewColumnEventArgs e)
{
if (e.Column.CellTemplate != null) {
- RowTemplate.Cells.Add ((DataGridViewCell)e.Column.CellTemplate.Clone ());
+ // The first column has just been added programatically instead of
+ // autogenerated so we need to create the rows for the first time.
+ //
+ if (!is_autogenerating_columns && columns.Count == 1)
+ ReBind ();
foreach (DataGridViewRow row in Rows)
- row.Cells.Add ((DataGridViewCell)RowTemplate.Cells[RowTemplate.Cells.Count - 1].Clone ());
+ row.Cells.Add ((DataGridViewCell)e.Column.CellTemplate.Clone ());
}
AutoResizeColumnsInternal ();
eh (this, e);
}
+ internal void OnColumnRemovedInternal (DataGridViewColumnEventArgs e)
+ {
+ if (e.Column.CellTemplate != null) {
+ int index = e.Column.Index;
+
+ foreach (DataGridViewRow row in Rows)
+ row.Cells.RemoveAt (index);
+ }
+
+ AutoResizeColumnsInternal ();
+ OnColumnRemoved (e);
+ PrepareEditingRow (false, true);
+ }
+
protected virtual void OnColumnRemoved (DataGridViewColumnEventArgs e)
{
DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnRemovedEvent]);
{
base.OnHandleCreated(e);
- if (Rows.Count > 0 && Columns.Count > 0)
+ if (CurrentCell == null && Rows.Count > 0 && Columns.Count > 0)
MoveCurrentCell (ColumnDisplayIndexToIndex (0), 0, true, false, false, false);
}
horizontalScrollBar.Bounds = new Rectangle (BorderWidth, Height - BorderWidth - horizontalScrollBar.Height, Width - (2 * BorderWidth), horizontalScrollBar.Height);
else if (verticalScrollBar.Visible)
verticalScrollBar.Bounds = new Rectangle (Width - BorderWidth - verticalScrollBar.Width, BorderWidth, verticalScrollBar.Width, Height - (2 * BorderWidth));
-
+
+ AutoResizeColumnsInternal ();
Invalidate ();
}
protected override void OnMouseClick (MouseEventArgs e)
{
base.OnMouseClick(e);
+
+ if (column_resize_active || row_resize_active)
+ return;
+
//Console.WriteLine("Mouse: Clicks: {0}; Delta: {1}; X: {2}; Y: {3};", e.Clicks, e.Delta, e.X, e.Y);
HitTestInfo hit = HitTest (e.X, e.Y);
{
base.OnMouseDown(e);
+ if (!EndEdit ())
+ return;
+
HitTestInfo hitTest = HitTest(e.X, e.Y);
DataGridViewCell cell = null;
DataGridViewRow row = null;
Rectangle cellBounds;
+ if (hitTest.Type == DataGridViewHitTestType.ColumnHeader && MouseOverColumnResize (hitTest.ColumnIndex, e.X)) {
+ if (e.Clicks == 2) {
+ AutoResizeColumn (hitTest.ColumnIndex);
+ return;
+ }
+
+ resize_band = hitTest.ColumnIndex;
+ column_resize_active = true;
+ resize_band_start = e.X;
+ resize_band_delta = 0;
+ DrawVerticalResizeLine (resize_band_start);
+ return;
+ }
+
+ if (hitTest.Type == DataGridViewHitTestType.RowHeader && MouseOverRowResize (hitTest.RowIndex, e.Y)) {
+ if (e.Clicks == 2) {
+ AutoResizeRow (hitTest.RowIndex);
+ return;
+ }
+
+ resize_band = hitTest.RowIndex;
+ row_resize_active = true;
+ resize_band_start = e.Y;
+ resize_band_delta = 0;
+ DrawHorizontalResizeLine (resize_band_start);
+ return;
+ }
+
if (hitTest.Type == DataGridViewHitTestType.Cell) {
+ row = rows [hitTest.RowIndex];
+ cell = row.Cells [hitTest.ColumnIndex];
+ SetCurrentCellAddressCore (cell.ColumnIndex, cell.RowIndex, false, true, true);
cellBounds = GetCellDisplayRectangle (hitTest.ColumnIndex, hitTest.RowIndex, false);
OnCellMouseDown (new DataGridViewCellMouseEventArgs (hitTest.ColumnIndex, hitTest.RowIndex, e.X - cellBounds.X, e.Y - cellBounds.Y, e));
OnCellClick (new DataGridViewCellEventArgs (hitTest.ColumnIndex, hitTest.RowIndex));
- row = rows [hitTest.RowIndex];
- cell = row.Cells [hitTest.ColumnIndex];
}
DoSelectionOnMouseDown (hitTest);
return;
}
- if (cell == currentCell) {
- BeginEdit (true);
- return;
- } else if (currentCell != null) {
- EndEdit ();
- OnCellLeave(new DataGridViewCellEventArgs(currentCell.ColumnIndex, currentCell.RowIndex));
- }
- currentCell = cell;
- currentCellAddress = new Point (currentCell.ColumnIndex, currentCell.RowIndex);
- currentRow = cell.OwningRow;
- OnCurrentCellChanged(EventArgs.Empty);
- OnCellEnter(new DataGridViewCellEventArgs(cell.ColumnIndex, cell.RowIndex));
- if (editMode == DataGridViewEditMode.EditOnEnter) {
- BeginEdit (true);
- }
Invalidate();
return;
}
+ private void UpdateBindingPosition (int position)
+ {
+ if (DataManager != null)
+ DataManager.Position = position;
+ }
+
protected override void OnMouseEnter (EventArgs e)
{
base.OnMouseEnter(e);
protected override void OnMouseMove (MouseEventArgs e)
{
base.OnMouseMove (e);
-
+
+ if (column_resize_active) {
+ // Erase the old line
+ DrawVerticalResizeLine (resize_band_start + resize_band_delta);
+
+ resize_band_delta = e.X - resize_band_start;
+
+ // Draw the new line
+ DrawVerticalResizeLine (resize_band_start + resize_band_delta);
+ return;
+ }
+
+ if (row_resize_active) {
+ // Erase the old line
+ DrawHorizontalResizeLine (resize_band_start + resize_band_delta);
+
+ resize_band_delta = e.Y - resize_band_start;
+
+ // Draw the new line
+ DrawHorizontalResizeLine (resize_band_start + resize_band_delta);
+ return;
+ }
+
+ Cursor new_cursor = Cursors.Default;
HitTestInfo hit = this.HitTest (e.X, e.Y);
if (hit.Type == DataGridViewHitTestType.Cell) {
EnteredHeaderCell = new_cell;
+ if (MouseOverRowResize (hit.RowIndex, e.Y))
+ new_cursor = Cursors.HSplit;
+
// Check if we have moved into an error icon area
Rectangle icon = new_cell.InternalErrorIconsBounds;
}
} else {
- if (hit.Type == DataGridViewHitTestType.ColumnHeader)
+ if (hit.Type == DataGridViewHitTestType.ColumnHeader) {
EnteredHeaderCell = Columns [hit.ColumnIndex].HeaderCell;
- else
+
+ if (MouseOverColumnResize (hit.ColumnIndex, e.X))
+ new_cursor = Cursors.VSplit;
+ } else
EnteredHeaderCell = null;
// We have left the cell area
hover_cell = null;
}
}
+
+ Cursor = new_cursor;
}
protected override void OnMouseUp (MouseEventArgs e)
{
base.OnMouseUp(e);
+ if (column_resize_active) {
+ column_resize_active = false;
+
+ if (resize_band_delta + Columns[resize_band].Width < 0)
+ resize_band_delta = -Columns[resize_band].Width;
+
+ Columns[resize_band].Width = Math.Max (resize_band_delta + Columns[resize_band].Width, Columns[resize_band].MinimumWidth);
+ Invalidate ();
+ return;
+ }
+
+ if (row_resize_active) {
+ row_resize_active = false;
+
+ if (resize_band_delta + Rows[resize_band].Height < 0)
+ resize_band_delta = -Rows[resize_band].Height;
+
+ Rows[resize_band].Height = Math.Max (resize_band_delta + Rows[resize_band].Height, Rows[resize_band].MinimumHeight);
+ Invalidate ();
+ return;
+ }
+
HitTestInfo hit = this.HitTest (e.X, e.Y);
if (hit.Type == DataGridViewHitTestType.Cell) {
gridWidth = rowHeadersVisible ? rowHeadersWidth : 0;
gridHeight = 0;
- int rows_displayed = 0;
int first_row_height = Rows.Count > 0 ? Rows[Math.Min (Rows.Count - 1, first_row_index)].Height : 0;
// int room_left = this.Height;
bounds.Y += bounds.Height;
bounds.X = BorderWidth;
- if (bounds.Y < ClientSize.Height - (horizontalScrollBar.Visible ? horizontalScrollBar.Height : 0))
- rows_displayed++;
- else
+ if (bounds.Y >= ClientSize.Height - (horizontalScrollBar.Visible ? horizontalScrollBar.Height : 0))
break;
gridHeight += row.Height;
horizontalScrollBar.Minimum = 0;
horizontalScrollBar.Maximum = gridWidth;
horizontalScrollBar.SmallChange = Columns[first_col_index].Width;
- horizontalScrollBar.LargeChange = ClientSize.Width - rowHeadersWidth;
+ int largeChange = ClientSize.Width - rowHeadersWidth;
+ if (largeChange <= 0)
+ largeChange = ClientSize.Width;
+ horizontalScrollBar.LargeChange = largeChange;
}
if (verticalVisible) {
verticalScrollBar.Minimum = 0;
verticalScrollBar.Maximum = gridHeight;
verticalScrollBar.SmallChange = first_row_height + 1;
- verticalScrollBar.LargeChange = ClientSize.Height - columnHeadersHeight;
+ int largeChange = ClientSize.Height - columnHeadersHeight;
+ if (largeChange <= 0)
+ largeChange = ClientSize.Height;
+ verticalScrollBar.LargeChange = largeChange;
}
}
internal void OnRowsAddedInternal (DataGridViewRowsAddedEventArgs e)
{
+ if (hover_cell != null && hover_cell.RowIndex >= e.RowIndex)
+ hover_cell = null;
+ AutoResizeColumnsInternal ();
Invalidate ();
OnRowsAdded (e);
}
if (eh != null) eh (this, e);
}
- protected internal virtual void OnRowsRemoved (DataGridViewRowsRemovedEventArgs e)
+ internal void OnRowsRemovedInternal (DataGridViewRowsRemovedEventArgs e)
+ {
+ if (selected_rows != null)
+ selected_rows.InternalClear ();
+ if (selected_columns != null)
+ selected_columns.InternalClear ();
+
+ if (Rows.Count == 0) {
+ MoveCurrentCell (-1, -1, true, false, false, true);
+ hover_cell = null;
+ } else if (Columns.Count == 0) {
+ MoveCurrentCell (-1, -1, true, false, false, true);
+ hover_cell = null;
+ } else {
+ int nextRowIndex = e.RowIndex;
+ if (nextRowIndex >= Rows.Count)
+ nextRowIndex = Rows.Count - 1;
+ MoveCurrentCell (currentCell != null ? currentCell.ColumnIndex : 0, nextRowIndex,
+ true, false, false, true);
+ if (hover_cell != null && hover_cell.RowIndex >= e.RowIndex)
+ hover_cell = null;
+ }
+
+ Invalidate ();
+ OnRowsRemoved (e);
+ }
+
+ protected virtual void OnRowsRemoved (DataGridViewRowsRemovedEventArgs e)
{
DataGridViewRowsRemovedEventHandler eh = (DataGridViewRowsRemovedEventHandler)(Events [RowsRemovedEvent]);
if (eh != null) eh (this, e);
protected virtual void OnUserAddedRow (DataGridViewRowEventArgs e)
{
+ PrepareEditingRow (false, false);
+
+ new_row_editing = true;
+ if (DataManager != null) {
+ // Switch the current editing row with a real one
+ if (editing_row != null) {
+ Rows.RemoveInternal (editing_row);
+ editing_row = null;
+ }
+ DataManager.AddNew (); // will raise OnListPositionChanged
+ }
+
+ e = new DataGridViewRowEventArgs (Rows[NewRowIndex]);
DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [UserAddedRowEvent]);
if (eh != null) eh (this, e);
}
{
DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [UserDeletedRowEvent]);
if (eh != null) eh (this, e);
-
}
protected virtual void OnUserDeletingRow (DataGridViewRowCancelEventArgs e)
Rows.RemoveAt (row.Index);
}
- if (selected_rows != null)
- selected_rows.InternalClear ();
- if (selected_columns != null)
- selected_columns.InternalClear ();
-
- SetSelectedCellCore (0, Math.Min (index, Rows.Count - 1), true);
-
return true;
}
if (ProcessDataGridViewKey (new KeyEventArgs (keyData)))
return true;
+ break;
+ case Keys.Enter:
+ case Keys.Escape:
+ if (ProcessDataGridViewKey (new KeyEventArgs (keyData)))
+ return true;
+
break;
}
int current_row = CurrentCellAddress.Y;
if (current_row < Rows.Count - 1) {
- EndEdit ();
-
// Move to the last cell in the column
if ((keyData & Keys.Control) == Keys.Control)
MoveCurrentCell (CurrentCellAddress.X, Rows.Count - 1, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
protected bool ProcessEnterKey (Keys keyData)
{
- if (!IsCurrentCellInEditMode)
- return false;
-
- CommitEdit (DataGridViewDataErrorContexts.Commit);
-
- // Move one cell down
- if ((keyData & Keys.Control) == 0) {
- int current_row = CurrentCellAddress.Y;
-
- if (current_row < Rows.Count - 1)
- MoveCurrentCell (CurrentCellAddress.X, current_row + 1, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
- }
+ if (ProcessDownKey (keyData))
+ return true;
+ // ProcessDown may fail if we are on the last row,
+ // but Enter should still EndEdit if this is the last row
+ EndEdit ();
return true;
}
{
DataGridViewCell cell = CurrentCell;
- if (cell != null)
+ if (cell != null) {
if (cell.KeyEntersEditMode (new KeyEventArgs ((Keys)m.WParam.ToInt32 ())))
BeginEdit (true);
+ if (EditingControl != null && ((Msg)m.Msg == Msg.WM_KEYDOWN || (Msg)m.Msg == Msg.WM_CHAR))
+ XplatUI.SendMessage (EditingControl.Handle, (Msg)m.Msg, m.WParam, m.LParam);
+ }
return base.ProcessKeyEventArgs (ref m);
}
int disp_index = ColumnIndexToDisplayIndex (currentCellAddress.X);
if (disp_index > 0) {
- EndEdit ();
-
// Move to the first cell in the row
if ((keyData & Keys.Control) == Keys.Control)
MoveCurrentCell (ColumnDisplayIndexToIndex (0), currentCellAddress.Y, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
int current_row = CurrentCellAddress.Y;
if (current_row < Rows.Count - 1) {
- EndEdit ();
-
// Move one "page" of cells down
int new_row = Math.Min (Rows.Count - 1, current_row + DisplayedRowCount (false));
int current_row = CurrentCellAddress.Y;
if (current_row > 0) {
- EndEdit ();
-
// Move one "page" of cells up
int new_row = Math.Max (0, current_row - DisplayedRowCount (false));
int disp_index = ColumnIndexToDisplayIndex (currentCellAddress.X);
if (disp_index < Columns.Count - 1) {
- EndEdit ();
-
// Move to the last cell in the row
if ((keyData & Keys.Control) == Keys.Control)
MoveCurrentCell (ColumnDisplayIndexToIndex (Columns.Count - 1), currentCellAddress.Y, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
protected bool ProcessTabKey (Keys keyData)
{
- EndEdit ();
-
Form f = FindForm ();
if (f != null)
int current_row = CurrentCellAddress.Y;
if (current_row > 0) {
- EndEdit ();
-
// Move to the first cell in the column
if ((keyData & Keys.Control) == Keys.Control)
MoveCurrentCell (CurrentCellAddress.X, 0, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
base.SetBoundsCore(x, y, width, height, specified);
}
- [MonoTODO ("Does not use validateCurrentCell or throughMouseClick")]
+ [MonoTODO ("Does not use validateCurrentCell")]
protected virtual bool SetCurrentCellAddressCore (int columnIndex, int rowIndex, bool setAnchorCellAddress, bool validateCurrentCell, bool throughMouseClick)
{
if ((columnIndex < 0 || columnIndex > Columns.Count - 1) && rowIndex != -1)
if (cell != null && !cell.Visible)
throw new InvalidOperationException ("cell is not visible");
- if (setAnchorCellAddress)
- anchor_cell = new Point (columnIndex, rowIndex);
+ // Always update the current cell address property
+ // If the row has moved it would be out of date.
+ if (currentCell != null) {
+ if (setAnchorCellAddress) {
+ anchor_cell.X = currentCell.ColumnIndex;
+ anchor_cell.Y = currentCell.RowIndex;
+ }
+ currentCellAddress.X = currentCell.ColumnIndex;
+ currentCellAddress.Y = currentCell.RowIndex;
+ }
+
+ if (cell != currentCell) {
+ if (currentCell != null) {
+ if (currentCell.IsInEditMode) {
+ if (!EndEdit ())
+ return false;
+ else if (currentCell.RowIndex == NewRowIndex && new_row_editing)
+ CancelEdit ();
+ }
+ OnCellLeave (new DataGridViewCellEventArgs(currentCell.ColumnIndex, currentCell.RowIndex));
+ OnRowLeave (new DataGridViewCellEventArgs (currentCell.ColumnIndex, currentCell.RowIndex));
+ }
+
+ currentCell = cell;
+ if (setAnchorCellAddress)
+ anchor_cell = new Point (columnIndex, rowIndex);
+ currentCellAddress = new Point (columnIndex, rowIndex);
+
+ if (cell != null) {
+ UpdateBindingPosition (cell.RowIndex);
+ OnRowEnter (new DataGridViewCellEventArgs (cell.ColumnIndex, cell.RowIndex));
+ OnCellEnter (new DataGridViewCellEventArgs(cell.ColumnIndex, cell.RowIndex));
+ }
+ OnCurrentCellChanged (EventArgs.Empty);
+
+ if (cell != null) {
+ // If the user begins an edit in the NewRow, add a new row
+ if (AllowUserToAddRows && cell.RowIndex == NewRowIndex && !is_binding && !new_row_editing) {
+ // OnUserAddedRow will add a real row and reset the current cell
+ OnUserAddedRow (new DataGridViewRowEventArgs (Rows[NewRowIndex]));
+ } else {
+ if (editMode == DataGridViewEditMode.EditOnEnter)
+ BeginEdit (true);
+ }
+ }
+ } else {
+ if (cell != null && throughMouseClick)
+ BeginEdit (true);
+ }
- currentCellAddress = new Point (columnIndex, rowIndex);
- CurrentCell = cell;
-
- OnCurrentCellChanged (EventArgs.Empty);
-
return true;
}
} else if (selected && !selected_columns.Contains (col)) {
selected_columns.InternalAdd (col);
}
+
+ Invalidate();
}
internal void SetSelectedRowCoreInternal (int rowIndex, bool selected) {
- SetSelectedRowCore (rowIndex, selected);
+ if (rowIndex >= 0 && rowIndex < Rows.Count)
+ SetSelectedRowCore (rowIndex, selected);
}
protected virtual void SetSelectedRowCore (int rowIndex, bool selected) {
} else if (selected && !selected_rows.Contains (row)) {
selected_rows.InternalAdd (row);
}
+
+ Invalidate();
}
protected override void WndProc (ref Message m)
internal void InternalOnCellValueChanged (DataGridViewCellEventArgs e)
{
OnCellValueChanged (e);
-
- if (editing_row != null && e.RowIndex == editing_row.Index)
- PrepareEditingRow (true, false);
}
internal void InternalOnDataError (DataGridViewDataErrorEventArgs e)
internal void OnVScrollBarScroll (object sender, ScrollEventArgs e)
{
verticalScrollingOffset = e.NewValue;
+ if (Rows.Count == 0)
+ return;
+
int top = 0;
for (int index = 0; index < Rows.Count; index++) {
DataGridViewRow row = Rows[index];
-
- if (e.NewValue <= top + row.Height) {
+ if (e.NewValue < top + row.Height) {
if (first_row_index != index) {
first_row_index = index;
Invalidate ();
top += row.Height;
}
- if (Rows.Count == 0)
- return;
-
- first_row_index = Rows.Count - DisplayedRowCount (false) + 1;
+ first_row_index = Rows.Count - DisplayedRowCount (false);
Invalidate ();
OnScroll (e);
}
internal void OnColumnCollectionChanged (object sender, CollectionChangeEventArgs e) {
switch (e.Action) {
case CollectionChangeAction.Add:
- OnColumnAdded(new DataGridViewColumnEventArgs(e.Element as DataGridViewColumn));
+ OnColumnAddedInternal(new DataGridViewColumnEventArgs(e.Element as DataGridViewColumn));
break;
case CollectionChangeAction.Remove:
- OnColumnRemoved(new DataGridViewColumnEventArgs(e.Element as DataGridViewColumn));
+ OnColumnRemovedInternal(new DataGridViewColumnEventArgs(e.Element as DataGridViewColumn));
break;
case CollectionChangeAction.Refresh:
break;
{
float totalFillWeight = 0;
int FillCount = 0; // The number of columns that has AutoSizeMode.Fill set
- int spaceLeft = ClientSize.Width;
+ int spaceLeft = ClientSize.Width - (verticalScrollBar.VisibleInternal ? verticalScrollBar.Width : 0);
if (RowHeadersVisible) {
spaceLeft -= RowHeadersWidth;
case DataGridViewAutoSizeColumnMode.AllCells:
case DataGridViewAutoSizeColumnMode.DisplayedCells:
case DataGridViewAutoSizeColumnMode.DisplayedCellsExceptHeader:
- size = CalculateColumnCellWidth (columnIndex, col.InheritedAutoSizeMode);
+ size = Math.Max (CalculateColumnCellWidth (columnIndex, col.InheritedAutoSizeMode),
+ col.HeaderCell.ContentBounds.Width);
break;
case DataGridViewAutoSizeColumnMode.ColumnHeader:
size = col.HeaderCell.ContentBounds.Width;
continue;
}
- Rectangle cell_rect = GetCellDisplayRectangle (index, i, false);
-
- result = Math.Max (result, cell_rect.Width);
+ int cell_width = Rows[i].Cells[index].PreferredSize.Width;
+
+ result = Math.Max (result, cell_width);
}
return result;
return bounds;
}
- private void PrepareEditingRow (bool cell_changed, bool column_changed)
+ internal void PrepareEditingRow (bool cell_changed, bool column_changed)
{
+ if (new_row_editing)
+ return;
+
bool show = false;
show = ColumnCount > 0 && AllowUserToAddRows;
if (!show && editing_row != null) {
- Rows.Remove (editing_row);
+ Rows.RemoveInternal (editing_row);
editing_row = null;
} else if (show) {
- if (editing_row != null) {
- if (cell_changed) {
- // The row changed, it's no longer an editing row.
- editing_row = null;
- } else if (column_changed) {
- // The number of columns has changed, we need a new editing row.
- Rows.Remove (editing_row);
- editing_row = null;
- }
+ if (editing_row != null && (cell_changed || column_changed)) {
+ // The row changed, it's no longer an editing row.
+ // or
+ // The number of columns has changed, we need a new editing row.
+ Rows.RemoveInternal (editing_row);
+ editing_row = null;
}
if (editing_row == null) {
editing_row = RowTemplateFull;
Rows.AddInternal (editing_row, false);
}
}
-
-
}
internal DataGridViewRow EditingRow {
get { return editing_row; }
}
- private void BindIList (IList list) {
- if (autoGenerateColumns) {
- // Stuff from a DataSet
- if (list is DataView) {
- DataView dataView = (DataView) list;
- DataTable table = dataView.Table;
-
- foreach (DataColumn dataColumn in table.Columns) {
- DataGridViewColumn col = CreateColumnByType (dataColumn.DataType);
-
- col.Name = dataColumn.ColumnName;
- col.DataPropertyName = dataColumn.ColumnName;
- col.SetIsDataBound (true);
- col.ValueType = dataColumn.DataType;
- col.AutoGenerated = true;
-
- columns.Add (col);
- }
- }
- // Its a generic something or other, like a BindingList<T>, so
- // we can figure out the type from the generic type
- else if (list.GetType ().GetGenericArguments ().Length > 0) {
- GenerateColumnsFromType (list.GetType ().GetGenericArguments ()[0]);
- }
- // Its a normal array/collection type thing
- else if (list.GetType ().IsArray) {
- GenerateColumnsFromType (list.GetType ().GetElementType ());
- }
- }
-
- // Subscribe to the dataset's change notification
- if (list is DataView) {
- (list as DataView).ListChanged += OnListChanged;
- (list as DataView).Table.ColumnChanged += OnTableColumnChanged;
- }
-
- // Add the rows
- foreach (object element in list)
- AddBoundRow (element);
- }
-
private void AddBoundRow (object element)
{
// Don't add rows if there are no columns
if (ColumnCount == 0)
return;
- DataGridViewRow row = (DataGridViewRow)RowTemplate.Clone ();
+ DataGridViewRow row = (DataGridViewRow)RowTemplateFull;
rows.InternalAdd (row);
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties (element);
if (cell == null)
continue;
- cell.valuex = property.GetValue (element);
- cell.valueType = property.PropertyType;
+ cell.Value = property.GetValue (element);
+ cell.ValueType = property.PropertyType;
}
}
- private void GenerateColumnsFromType (Type type)
+ private bool IsColumnAlreadyBound (string name)
{
- foreach (PropertyDescriptor property in TypeDescriptor.GetProperties (type)) {
- // This keeps out things like arrays
- if ((typeof(ICollection).IsAssignableFrom (property.PropertyType)))
- continue;
-
- DataGridViewColumn col = CreateColumnByType (property.PropertyType);
- col.Name = property.DisplayName;
- col.DataPropertyName = property.DisplayName;
- col.ReadOnly = property.IsReadOnly;
- col.SetIsDataBound (true);
- col.ValueType = property.PropertyType;
- col.AutoGenerated = true;
- columns.Add (col);
- }
+ foreach (DataGridViewColumn col in Columns)
+ if (col.DataPropertyName == name)
+ return true;
+
+ return false;
}
-
+
private DataGridViewColumn CreateColumnByType (Type type)
{
if (type == typeof (bool))
private void ClearBinding ()
{
- columns.ClearAutoGeneratedColumns ();
- rows.Clear ();
- PrepareEditingRow (false, true);
-
- if (dataSource != null) {
- if (dataSource is DataSet) {
- (dataSource as DataSet).Tables.CollectionChanged -= OnDataSetTableChanged;
-
- DataTable dt = (dataSource as DataSet).Tables[dataMember];
-
- if (dt != null) {
- DataView dv = dt.DefaultView;
-
- if (dv != null) {
- (dv as DataView).Table.ColumnChanged -= OnTableColumnChanged;
- (dv as DataView).ListChanged -= OnListChanged;
- }
- }
- } else if (dataSource is DataView) {
- (dataSource as DataView).ListChanged -= OnListChanged;
- (dataSource as DataView).Table.ColumnChanged -= OnTableColumnChanged;
- } else if (dataSource is DataTable)
- ((dataSource as IListSource).GetList () as DataView).ListChanged -= OnListChanged;
+ if (DataManager != null) {
+ columns.ClearAutoGeneratedColumns ();
+ PrepareEditingRow (false, true);
+ rows.Clear ();
+ DataManager.ListChanged -= OnListChanged;
+ DataManager.PositionChanged -= OnListPositionChanged;
}
}
- the System.ComponentModel.IBindingListView interface, such as the System.Windows.Forms.BindingSource class.
*/
- if (dataSource != null) {
- object value = dataSource;
-
- // DataBinding
- if (value is DataSet && string.IsNullOrEmpty (dataMember)) {
- Invalidate ();
- return;
+ if (dataSource != null && DataManager != null) {
+ if (autoGenerateColumns) {
+ is_autogenerating_columns = true;
+
+ foreach (PropertyDescriptor property in DataManager.GetItemProperties()) {
+ // This keeps out things like arrays
+ if ((typeof(ICollection).IsAssignableFrom (property.PropertyType)))
+ continue;
+
+ if (IsColumnAlreadyBound (property.DisplayName))
+ continue;
+
+ DataGridViewColumn col = CreateColumnByType (property.PropertyType);
+ col.Name = property.DisplayName;
+ col.DataPropertyName = property.DisplayName;
+ col.ReadOnly = !DataManager.AllowEdit || property.IsReadOnly;
+ col.SetIsDataBound (true);
+ col.ValueType = property.PropertyType;
+ col.AutoGenerated = true;
+ columns.Add (col);
+ }
+
+ is_autogenerating_columns = false;
}
- if (value is DataSet) {
- (value as DataSet).Tables.CollectionChanged += OnDataSetTableChanged;
- value = (value as DataSet).Tables[dataMember];
+
+ // DataBind both autogenerated and not columns if there is a matching property
+ foreach (PropertyDescriptor property in DataManager.GetItemProperties()) {
+ foreach (DataGridViewColumn col in Columns) {
+ if (col.DataPropertyName == property.Name)
+ col.SetIsDataBound (true);
+ }
}
- if (value is BindingSource)
- value = (value as BindingSource).List;
-
- if (value is IList)
- BindIList (value as IList);
- else if (value is IListSource)
- BindIListSource (value as IListSource);
- else if (value is IBindingList)
- BindIBindingList (value as IBindingList);
- else if (value is IBindingListView)
- BindIBindingListView (value as IBindingListView);
+ foreach (object element in DataManager.List)
+ AddBoundRow (element);
+
+ DataManager.ListChanged += OnListChanged;
+ DataManager.PositionChanged += OnListPositionChanged;
OnDataBindingComplete (new DataGridViewBindingCompleteEventArgs (ListChangedType.Reset));
+ OnListPositionChanged (this, EventArgs.Empty);
+ } else {
+ if (Rows.Count > 0 && Columns.Count > 0)
+ MoveCurrentCell (0, 0, true, false, false, false);
}
+ PerformLayout();
Invalidate ();
}
- private void BindIListSource (IListSource list) {
- BindIList(list.GetList());
- }
-
- private void BindIBindingList (IBindingList list) {
- BindIList(list);
- }
-
- private void BindIBindingListView (IBindingListView list) {
- BindIList(list);
- }
-
private void MoveCurrentCell (int x, int y, bool select, bool isControl, bool isShift, bool scroll)
{
+ if (x == -1 || y == -1)
+ x = y = -1;
+
+ if (!SetCurrentCellAddressCore (x, y, true, false, false)) {
+ ClearSelection ();
+ return;
+ }
+ if (x == -1 && y == -1) {
+ ClearSelection ();
+ return;
+ }
+
bool full_row_selected = Rows.SharedRow(CurrentCellAddress.Y).Selected;
bool full_col_selected = Columns[CurrentCellAddress.X].Selected;
else if (mode == DataGridViewSelectionMode.ColumnHeaderSelect)
mode = DataGridViewSelectionMode.CellSelect;
- // Move CurrentCell
- SetCurrentCellAddressCore (x, y, true, false, false);
-
// If the current cell isn't visible, scroll to it
if (scroll) {
int disp_x = ColumnIndexToDisplayIndex (x);
}
int disp_y = y;
+ int displayedRowsCount = DisplayedRowCount (false);
+ int delta_y = 0;
if (disp_y < first_row_index) {
- int delta_y = 0;
-
if (disp_y == 0)
delta_y = verticalScrollBar.Value;
else
verticalScrollBar.SafeValueSet (verticalScrollBar.Value - delta_y);
OnVScrollBarScroll (this, new ScrollEventArgs (ScrollEventType.ThumbPosition, verticalScrollBar.Value));
- } else if (disp_y > first_row_index + DisplayedRowCount (false) - 2) {
- int delta_y = 0;
-
+ } else if (disp_y > first_row_index + displayedRowsCount - 1) {
if (disp_y == Rows.Count - 1)
delta_y = verticalScrollBar.Maximum - verticalScrollBar.Value;
else
- for (int i = first_row_index + DisplayedRowCount (false) - 2; i < disp_y; i++)
+ for (int i = first_row_index + displayedRowsCount - 1; i < disp_y; i++)
delta_y += GetRowInternal (i).Height;
verticalScrollBar.SafeValueSet (verticalScrollBar.Value + delta_y);
private int ColumnIndexToDisplayIndex (int index)
{
+ if (index == -1)
+ return index;
return Columns[index].DisplayIndex;
}
{
switch (args.ListChangedType) {
case ListChangedType.ItemAdded:
- AddBoundRow ((sender as DataView)[args.NewIndex]);
+ AddBoundRow (DataManager[args.NewIndex]);
break;
case ListChangedType.ItemDeleted:
- Rows.RemoveAt (args.NewIndex);
+ Rows.RemoveAtInternal (args.NewIndex);
+ break;
+ case ListChangedType.ItemChanged:
+ break;
+ default:
+ ReBind ();
break;
}
Invalidate ();
}
- private void OnTableColumnChanged (object sender, DataColumnChangeEventArgs e)
+ private void OnListPositionChanged (object sender, EventArgs args)
+ {
+ if (Rows.Count > 0 && Columns.Count > 0 && DataManager.Position != -1)
+ MoveCurrentCell (currentCell != null ? currentCell.ColumnIndex : 0, DataManager.Position,
+ true, false, false, true);
+ else
+ MoveCurrentCell (-1, -1, true, false, false, true);
+ }
+
+ private void ReBind ()
+ {
+ if (!is_binding) {
+ is_binding = true;
+ ClearBinding ();
+ DoBinding ();
+ is_binding = false;
+ }
+ }
+
+ private bool MouseOverColumnResize (int col, int mousex)
+ {
+ if (!allowUserToResizeColumns)
+ return false;
+
+ Rectangle col_bounds = GetCellDisplayRectangle (col, 0, false);
+
+ if (mousex >= col_bounds.Right - 4 && mousex <= col_bounds.Right)
+ return true;
+
+ return false;
+ }
+
+ private bool MouseOverRowResize (int row, int mousey)
{
- ClearBinding ();
- DoBinding ();
+ if (!allowUserToResizeRows)
+ return false;
+
+ Rectangle row_bounds = GetCellDisplayRectangle (0, row, false);
+
+ if (mousey >= row_bounds.Bottom - 4 && mousey <= row_bounds.Bottom)
+ return true;
+
+ return false;
}
- private void OnDataSetTableChanged (object sender, CollectionChangeEventArgs e)
+ private void DrawVerticalResizeLine (int x)
{
- ClearBinding ();
- DoBinding ();
+ Rectangle splitter = new Rectangle (x, Bounds.Y + 3 + (ColumnHeadersVisible ? ColumnHeadersHeight : 0), 1, Bounds.Height - 3 - (ColumnHeadersVisible ? ColumnHeadersHeight : 0));
+ XplatUI.DrawReversibleRectangle (Handle, splitter, 2);
+ }
+
+ private void DrawHorizontalResizeLine (int y)
+ {
+ Rectangle splitter = new Rectangle (Bounds.X + 3 + (RowHeadersVisible ? RowHeadersWidth : 0), y, Bounds.Width - 3 + (RowHeadersVisible ? RowHeadersWidth : 0), 1);
+ XplatUI.DrawReversibleRectangle (Handle, splitter, 2);
}
#region Stuff for ToolTips
DataGridViewRow row1 = (DataGridViewRow)x;
DataGridViewRow row2 = (DataGridViewRow)y;
+ if (row1.Cells[column].ValueType == typeof (DateTime) && row2.Cells[column].ValueType == typeof (DateTime))
+ return DateTime.Compare ((DateTime)row1.Cells[column].Value, (DateTime)row2.Cells[column].Value) * direction;
+
object val1 = row1.Cells[column].FormattedValue;
object val2 = row2.Cells[column].FormattedValue;
+ object val1NullValue = row1.Cells[column].InheritedStyle.NullValue;
+ object val2NullValue = row2.Cells[column].InheritedStyle.NullValue;
- if (val1 == null && val2 == null)
+ if (val1 == val1NullValue && val2 == val2NullValue)
return 0;
- if (val1 == null)
+ if (val1 == val1NullValue)
return direction;
- if (val2 == null)
+ if (val2 == val2NullValue)
return -1 * direction;
if (numeric_sort)
[ComVisible (false)]
public class DataGridViewControlCollection : Control.ControlCollection
{
- private new DataGridView owner;
+ private DataGridView owner;
public DataGridViewControlCollection (DataGridView owner) : base (owner)
{
projects / mono.git / blobdiff