// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
-// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
+// Copyright (c) 2005-2007 Novell, Inc. (http://www.novell.com)
//
// Author:
// Jordi Mas i Hernandez <jordi@ximian.com>
+// Chris toshok <toshok@ximian.com>
//
//
-// NOT COMPLETE
-
using System.ComponentModel;
using System.Drawing;
using System.Runtime.InteropServices;
}
#region Local Variables
- private bool allownull;
- private object falsevalue;
- private object nullvalue;
- private object truevalue;
- private Hashtable checkboxes_state;
- CheckState oldState;
+ private bool allow_null;
+ private object false_value;
+ private object null_value;
+ private object true_value;
+ int editing_row;
+ CheckState editing_state;
+ CheckState model_state;
+ Size checkbox_size;
#endregion // Local Variables
public DataGridBoolColumn (PropertyDescriptor prop, bool isDefault) : base (prop)
{
- falsevalue = false;
- nullvalue = null;
- truevalue = true;
- allownull = true;
- checkboxes_state = new Hashtable ();
+ false_value = false;
+ null_value = null;
+ true_value = true;
+ allow_null = true;
is_default = isDefault;
+ checkbox_size = new Size (ThemeEngine.Current.DataGridMinimumColumnCheckBoxWidth, ThemeEngine.Current.DataGridMinimumColumnCheckBoxHeight);
}
#endregion
[DefaultValue(true)]
public bool AllowNull {
get {
- return allownull;
+ return allow_null;
}
set {
- if (value != allownull) {
- allownull = value;
+ if (value != allow_null) {
+ allow_null = value;
EventHandler eh = (EventHandler)(Events [AllowNullChangedEvent]);
if (eh != null)
#endif
public object FalseValue {
get {
- return falsevalue;
+ return false_value;
}
set {
- if (value != falsevalue) {
- falsevalue = value;
+ if (value != false_value) {
+ false_value = value;
EventHandler eh = (EventHandler)(Events [FalseValueChangedEvent]);
if (eh != null)
[TypeConverter(typeof(System.ComponentModel.StringConverter))]
public object NullValue {
get {
- return nullvalue;
+ return null_value;
}
set {
- if (value != nullvalue) {
- nullvalue = value;
+ if (value != null_value) {
+ null_value = value;
// XXX no NullValueChangedEvent? lame.
}
#endif
public object TrueValue {
get {
- return truevalue;
+ return true_value;
}
set {
- if (value != truevalue) {
- truevalue = value;
+ if (value != true_value) {
+ true_value = value;
EventHandler eh = (EventHandler)(Events [TrueValueChangedEvent]);
if (eh != null)
#region Public Instance Methods
protected internal override void Abort (int rowNum)
{
- SetState (rowNum, oldState & ~CheckState.Selected);
- grid.Invalidate (grid.GetCurrentCellBounds ());
+ if (rowNum == editing_row) {
+ // XXX
+ // this needs to not use the current cell
+ // bounds, but the bounds of the cell for this
+ // column/rowNum.
+ grid.Invalidate (grid.GetCurrentCellBounds ());
+ editing_row = -1;
+ }
}
protected internal override bool Commit (CurrencyManager source, int rowNum)
{
- CheckState newState = GetState (source, rowNum);
- SetColumnValueAtRow (source, rowNum, FromStateToValue (newState));
- SetState (rowNum, newState & ~CheckState.Selected);
- grid.Invalidate (grid.GetCurrentCellBounds ());
+ if (rowNum == editing_row) {
+ SetColumnValueAtRow (source, rowNum, FromStateToValue (editing_state));
+ // XXX
+ // this needs to not use the current cell
+ // bounds, but the bounds of the cell for this
+ // column/rowNum.
+ grid.Invalidate (grid.GetCurrentCellBounds ());
+ editing_row = -1;
+ }
return true;
}
protected internal override void Edit (CurrencyManager source, int rowNum, Rectangle bounds, bool readOnly, string instantText, bool cellIsVisible)
{
- oldState = GetState (source, rowNum);
- SetState (rowNum, oldState | CheckState.Selected);
+ editing_row = rowNum;
+ model_state = FromValueToState (GetColumnValueAtRow (source, rowNum));
+ editing_state = model_state | CheckState.Selected;
+ // XXX
+ // this needs to not use the current cell
+ // bounds, but the bounds of the cell for this
+ // column/rowNum.
grid.Invalidate (grid.GetCurrentCellBounds ());
}
{
object obj = base.GetColumnValueAtRow (lm, row);
- if (ValueEquals (nullvalue, obj)) {
- return Convert.DBNull;
- }
+ if (ValueEquals (DBNull.Value, obj))
+ return null_value;
- if (ValueEquals (truevalue, obj)) {
- return true;
- }
+ if (ValueEquals (true, obj))
+ return true_value;
- return false;
+ return false_value;
}
protected internal override int GetMinimumHeight ()
{
- return ThemeEngine.Current.DataGridMinimumColumnCheckBoxHeight;
+ return checkbox_size.Height;
}
protected internal override int GetPreferredHeight (Graphics g, object value)
{
- return ThemeEngine.Current.DataGridMinimumColumnCheckBoxHeight;
+ return checkbox_size.Height;
}
protected internal override Size GetPreferredSize (Graphics g, object value)
{
- return new Size (ThemeEngine.Current.DataGridMinimumColumnCheckBoxWidth, ThemeEngine.Current.DataGridMinimumColumnCheckBoxHeight);
+ return checkbox_size;
}
protected internal override void Paint (Graphics g, Rectangle bounds, CurrencyManager source, int rowNum)
protected internal override void Paint (Graphics g, Rectangle bounds, CurrencyManager source, int rowNum, Brush backBrush, Brush foreBrush, bool alignToRight)
{
- Size chkbox_size = GetPreferredSize (g, null);
Rectangle rect = new Rectangle ();
ButtonState state;
- CheckState check_state = GetState (source, rowNum);
+ CheckState check_state;
- chkbox_size.Width -= 2;
- chkbox_size.Height -= 2;
+ if (rowNum == editing_row)
+ check_state = editing_state;
+ else
+ check_state = FromValueToState (GetColumnValueAtRow (source, rowNum));
- rect.X = bounds.X + ((bounds.Width - chkbox_size.Width) / 2);
- rect.Y = bounds.Y + ((bounds.Height - chkbox_size.Height) / 2);
- rect.Width = chkbox_size.Width;
- rect.Height = chkbox_size.Height;
+ rect.X = bounds.X + ((bounds.Width - checkbox_size.Width - 2) / 2);
+ rect.Y = bounds.Y + ((bounds.Height - checkbox_size.Height - 2) / 2);
+ rect.Width = checkbox_size.Width - 2;
+ rect.Height = checkbox_size.Height - 2;
// If the cell is selected
if ((check_state & CheckState.Selected) == CheckState.Selected) {
{
object value = null;
- if (ValueEquals (nullvalue, obj))
- value = Convert.DBNull;
- else if (ValueEquals (truevalue, obj))
+ if (ValueEquals (null_value, obj))
+ value = DBNull.Value;
+ else if (ValueEquals (true_value, obj))
value = true;
- else if (ValueEquals (falsevalue, obj))
+ else if (ValueEquals (false_value, obj))
value = false;
/* else error? */
private object FromStateToValue (CheckState state)
{
if ((state & CheckState.Checked) == CheckState.Checked)
- return truevalue;
+ return true_value;
else if ((state & CheckState.Null) == CheckState.Null)
- return nullvalue;
+ return null_value;
else
- return falsevalue;
+ return false_value;
}
private CheckState FromValueToState (object obj)
{
- if (ValueEquals (truevalue, obj))
+ if (ValueEquals (true_value, obj))
return CheckState.Checked;
- else if (ValueEquals (nullvalue, obj))
+ else if (ValueEquals (null_value, obj))
return CheckState.Null;
else
return CheckState.UnChecked;
}
- private CheckState GetState (CurrencyManager source, int row)
- {
- CheckState state;
-
- if (checkboxes_state[row] == null) {
- object value = GetColumnValueAtRow (source, row);
- state = FromValueToState (value);
- checkboxes_state.Add (row, state);
- } else {
- state = (CheckState) checkboxes_state[row];
- }
-
- return state;
- }
-
private CheckState GetNextState (CheckState state)
{
CheckState new_state;
- bool selected = ((state & CheckState.Selected) == CheckState.Selected);
switch (state & ~CheckState.Selected) {
case CheckState.Checked:
- new_state = CheckState.Null;
+ if (AllowNull)
+ new_state = CheckState.Null;
+ else
+ new_state = CheckState.UnChecked;
break;
case CheckState.Null:
new_state = CheckState.UnChecked;
break;
}
- if (selected) {
- new_state = new_state | CheckState.Selected;
- }
+ new_state |= (state & CheckState.Selected);
return new_state;
}
{
grid.ColumnStartedEditing (new Rectangle());
- SetState (row, GetNextState (GetState (null, row)));
+ editing_state = GetNextState (editing_state);
grid.Invalidate (grid.GetCellBounds (row, column));
}
- private void SetState (int row, CheckState state)
- {
- checkboxes_state[row] = state;
- }
-
#endregion Private Instance Methods
#region Events
projects / mono.git / commitdiff