using System.ComponentModel;
using System.Collections;
+using System.Collections.Generic;
-namespace System.Windows.Forms {
-
+namespace System.Windows.Forms
+{
[ListBindable (false)]
- public class DataGridViewColumnCollection : BaseCollection, IList, ICollection, IEnumerable {
-
+ public class DataGridViewColumnCollection : BaseCollection, IList, ICollection, IEnumerable
+ {
private DataGridView dataGridView;
-
- public DataGridViewColumnCollection (DataGridView dataGridView) {
+ private List<DataGridViewColumn> display_index_sorted;
+
+ public DataGridViewColumnCollection (DataGridView dataGridView)
+ {
this.dataGridView = dataGridView;
+ RegenerateSortedList ();
}
bool IList.IsFixedSize {
}
object IList.this [int index] {
- get { return this[index]; }
+ get { return this [index]; }
set { throw new NotSupportedException(); }
}
public event CollectionChangeEventHandler CollectionChanged;
- int IList.Add (object o) {
- return Add(o as DataGridViewColumn);
+ int IList.Add (object value)
+ {
+ return Add(value as DataGridViewColumn);
}
- public virtual int Add (DataGridViewColumn dataGridViewColumn) {
- dataGridViewColumn.SetIndex(base.List.Count);
- dataGridViewColumn.SetDataGridView(dataGridView);
+ public virtual int Add (DataGridViewColumn dataGridViewColumn)
+ {
int result = base.List.Add(dataGridViewColumn);
+ if (dataGridViewColumn.DisplayIndex == -1)
+ dataGridViewColumn.DisplayIndexInternal = result;
+ dataGridViewColumn.SetIndex(result);
+ dataGridViewColumn.SetDataGridView(dataGridView);
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, dataGridViewColumn));
return result;
}
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public virtual int Add (string columnName, string headerText) {
- DataGridViewColumn col = new DataGridViewColumn();
+ public virtual int Add (string columnName, string headerText)
+ {
+ DataGridViewColumn col = new DataGridViewTextBoxColumn ();
col.Name = columnName;
col.HeaderText = headerText;
- return Add(col);
+ return Add (col);
}
- public virtual void AddRange (params DataGridViewColumn[] dataGridViewColumns) {
- foreach (DataGridViewColumn col in dataGridViewColumns) {
- Add(col);
- }
+ public virtual void AddRange (params DataGridViewColumn[] dataGridViewColumns)
+ {
+ foreach (DataGridViewColumn col in dataGridViewColumns)
+ Add (col);
}
- public virtual void Clear () {
- base.List.Clear();
+ public virtual void Clear ()
+ {
+ base.List.Clear ();
+
+ // When we clear the column collection, all rows get deleted
+ dataGridView.Rows.Clear ();
+ dataGridView.RemoveEditingRow ();
+
+ RegenerateSortedList ();
+
+ OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Refresh, null));
}
- bool IList.Contains (object o) {
- return Contains(o as DataGridViewColumn);
+ bool IList.Contains (object value)
+ {
+ return Contains (value as DataGridViewColumn);
}
- public virtual bool Contains (DataGridViewColumn dataGridViewColumn) {
- return base.List.Contains(dataGridViewColumn);
+ public virtual bool Contains (DataGridViewColumn dataGridViewColumn)
+ {
+ return base.List.Contains (dataGridViewColumn);
}
- public virtual bool Contains (string columnName) {
- foreach (DataGridViewColumn col in base.List) {
- if (col.Name == columnName) {
+ public virtual bool Contains (string columnName)
+ {
+ foreach (DataGridViewColumn col in base.List)
+ if (col.Name == columnName)
return true;
- }
- }
return false;
}
- public void CopyTo (DataGridViewColumn[] array, int index) {
- base.List.CopyTo(array, index);
+ public void CopyTo (DataGridViewColumn [] array, int index)
+ {
+ base.List.CopyTo (array, index);
}
- public int GetColumnCount (DataGridViewElementStates includeFilter) {
+ public int GetColumnCount (DataGridViewElementStates includeFilter)
+ {
return 0;
}
- public int GetColumnsWidth (DataGridViewElementStates includeFilter) {
+ public int GetColumnsWidth (DataGridViewElementStates includeFilter)
+ {
return 0;
}
- public DataGridViewColumn GetFirstColumn (DataGridViewElementStates includeFilter) {
+ public DataGridViewColumn GetFirstColumn (DataGridViewElementStates includeFilter)
+ {
return null;
}
- public DataGridViewColumn GetFirstColumn (DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter) {
+ public DataGridViewColumn GetFirstColumn (DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter)
+ {
return null;
}
- public DataGridViewColumn GetLastColumn (DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter) {
+ public DataGridViewColumn GetLastColumn (DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter)
+ {
return null;
}
- public DataGridViewColumn GetNextColumn (DataGridViewColumn dataGridViewColumnStart, DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter) {
+ public DataGridViewColumn GetNextColumn (DataGridViewColumn dataGridViewColumnStart, DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter)
+ {
return null;
}
- public DataGridViewColumn GetPreviousColumn (DataGridViewColumn dataGridViewColumnStart, DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter) {
+ public DataGridViewColumn GetPreviousColumn (DataGridViewColumn dataGridViewColumnStart, DataGridViewElementStates includeFilter, DataGridViewElementStates excludeFilter)
+ {
return null;
}
- int IList.IndexOf (object o) {
- return IndexOf(o as DataGridViewColumn);
+ int IList.IndexOf (object value)
+ {
+ return IndexOf (value as DataGridViewColumn);
}
- public int IndexOf (DataGridViewColumn dataGridViewColumn) {
- return base.List.IndexOf(dataGridViewColumn);
+ public int IndexOf (DataGridViewColumn dataGridViewColumn)
+ {
+ return base.List.IndexOf (dataGridViewColumn);
}
- void IList.Insert (int columnIndex, object o) {
- Insert(columnIndex, o as DataGridViewColumn);
+ void IList.Insert (int index, object value)
+ {
+ Insert (index, value as DataGridViewColumn);
}
- public virtual void Insert (int columnIndex, DataGridViewColumn dataGridViewColumn) {
- dataGridViewColumn.SetIndex(columnIndex);
- base.List.Insert(columnIndex, dataGridViewColumn);
- OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, dataGridViewColumn));
+ public virtual void Insert (int columnIndex, DataGridViewColumn dataGridViewColumn)
+ {
+ base.List.Insert (columnIndex, dataGridViewColumn);
+ if (dataGridViewColumn.DisplayIndex == -1)
+ dataGridViewColumn.DisplayIndexInternal = columnIndex;
+ dataGridViewColumn.SetIndex (columnIndex);
+ dataGridViewColumn.SetDataGridView (dataGridView);
+ OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Add, dataGridViewColumn));
}
- void IList.Remove (object o) {
- Remove(o as DataGridViewColumn);
+ void IList.Remove (object value)
+ {
+ Remove (value as DataGridViewColumn);
}
- public virtual void Remove (DataGridViewColumn dataGridViewColumn) {
- base.List.Remove(dataGridViewColumn);
- OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Remove, dataGridViewColumn));
+ public virtual void Remove (DataGridViewColumn dataGridViewColumn)
+ {
+ DataGridView.OnColumnPreRemovedInternal (new DataGridViewColumnEventArgs (dataGridViewColumn));
+ base.List.Remove (dataGridViewColumn);
+ OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Remove, dataGridViewColumn));
}
public virtual void Remove (string columnName) {
}
}
- public virtual void RemoveAt (int index) {
- DataGridViewColumn col = this[index];
- base.List.RemoveAt(index);
- OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, col));
+ public virtual void RemoveAt (int index)
+ {
+ DataGridViewColumn col = this [index];
+ Remove (col);
}
protected DataGridView DataGridView {
get { return dataGridView; }
}
- protected virtual void OnCollectionChanged (CollectionChangeEventArgs e) {
- if (CollectionChanged != null) {
+ protected virtual void OnCollectionChanged (CollectionChangeEventArgs e)
+ {
+ RegenerateIndexes ();
+ RegenerateSortedList ();
+
+ if (CollectionChanged != null)
CollectionChanged(this, e);
- }
}
protected override ArrayList List {
get { return base.List; }
}
- /************************/
-
- internal ArrayList ColumnDisplayIndexSortedArrayList {
- get {
- ArrayList result = (ArrayList) base.List.Clone();
- result.Sort(new ColumnDisplayIndexComparator());
- return result;
- }
- }
-
- private class ColumnDisplayIndexComparator : IComparer {
-
- public int Compare (object o1, object o2) {
- DataGridViewColumn col1 = (DataGridViewColumn) o1;
- DataGridViewColumn col2 = (DataGridViewColumn) o2;
- if (col1.DisplayIndex < col2.DisplayIndex) {
- return -1;
- }
- else if (col1.DisplayIndex > col2.DisplayIndex) {
+ internal List<DataGridViewColumn> ColumnDisplayIndexSortedArrayList {
+ get { return display_index_sorted; }
+ }
+
+ private void RegenerateIndexes ()
+ {
+ for (int i = 0; i < Count; i++)
+ this[i].SetIndex (i);
+ }
+
+ internal void RegenerateSortedList ()
+ {
+ DataGridViewColumn[] array = (DataGridViewColumn[])base.List.ToArray (typeof (DataGridViewColumn));
+ List<DataGridViewColumn> result = new List<DataGridViewColumn> (array);
+
+ result.Sort (new ColumnDisplayIndexComparator ());
+ for (int i = 0; i < result.Count; i++)
+ result[i].DisplayIndexInternal = i;
+
+ display_index_sorted = result;
+ }
+
+ internal void ClearAutoGeneratedColumns ()
+ {
+ for (int i = list.Count - 1; i >= 0; i--)
+ if ((list[i] as DataGridViewColumn).AutoGenerated)
+ RemoveAt (i);
+ }
+
+ private class ColumnDisplayIndexComparator : IComparer<DataGridViewColumn>
+ {
+ public int Compare (DataGridViewColumn o1, DataGridViewColumn o2)
+ {
+ if (o1.DisplayIndex == o2.DisplayIndex)
+ // Here we avoid the equal value swapping that both Array.Sort and ArrayList.Sort
+ // do occasionally and preserve the user column insertation order.
return 1;
- }
- else {
- return 0;
- }
+ else
+ return o1.DisplayIndex - o2.DisplayIndex;
}
-
}
-
- /************************/
-
-
}
-
}
#endif
projects / mono.git / blobdiff