/// <summary>
/// Removes the specified Column from the model
/// </summary>
/// <param name="column">The Column to remove</param>
public void Remove(I3Column column)
{
int columnIndex = this.IndexOf(column);
if (columnIndex != -1)
{
this.RemoveAt(columnIndex);
}
}
/// <summary>
/// Returns the index of the specified Column in the model
/// </summary>
/// <param name="column">The Column to look for</param>
/// <returns>The index of the specified Column in the model</returns>
public int IndexOf(I3Column column)
{
for (int i = 0; i < this.Count; i++)
{
if (this[i] == column)
{
return(i);
}
}
return(-1);
}
/// <summary>
/// Returns a rectangle that countains the header of the specified column
/// </summary>
/// <param name="column">The column</param>
/// <returns>A rectangle that countains the header of the specified column</returns>
public Rectangle ColumnHeaderDisplayRect(I3Column column)
{
// check if we actually own the column
int index = this.Columns.IndexOf(column);
if (index == -1)
{
return(Rectangle.Empty);
}
return(this.ColumnHeaderDisplayRect(index));
}
/// <summary>
/// Removes the Column at the specified index from the collection
/// </summary>
/// <param name="index">The index of the Column to remove</param>
public new void RemoveAt(int index)
{
if (index >= 0 && index < this.Count)
{
I3Column column = this[index];
this.List.RemoveAt(index);
this.RecalcWidthCache();
this.OnColumnRemoved(new I3ColumnModelEventArgs(this.owner, column, index, index));
}
}
/// <summary>
/// Adds the specified Column to the end of the collection
/// </summary>
/// <param name="column">The Column to add</param>
public int Add(I3Column column)
{
if (column == null)
{
throw new System.ArgumentNullException("Column is null");
}
int index = this.List.Add(column);
this.RecalcWidthCache();
this.OnColumnAdded(new I3ColumnModelEventArgs(this.owner, column, index, index));
return(index);
}
/// <summary>
/// Initializes a new instance of the ColumnModel class with an array of strings
/// representing TextColumns
/// </summary>
/// <param name="columns">An array of strings that represent the Columns of
/// the ColumnModel</param>
public I3ColumnModel(string[] columns)
{
if (columns == null)
{
throw new ArgumentNullException("columns", "string[] cannot be null");
}
this.Init();
if (columns.Length > 0)
{
I3Column[] cols = new I3Column[columns.Length];
for (int i = 0; i < columns.Length; i++)
{
cols[i] = new I3TextColumn(columns[i]);
}
this.Columns.AddRange(cols);
}
}
/// <summary>
/// 替换两个列的位置
/// </summary>
/// <param name="moveColumnIndex"></param>
/// <param name="newIndex"></param>
public void MoveColumn(int moveColumnIndex, int newIndex)
{
if (moveColumnIndex < 0 || moveColumnIndex > this._columns.Count - 1)
{
throw new Exception("无法移动列，moveColumnIndex:" + moveColumnIndex.ToString() + "错误");
}
if (newIndex < 0 /*|| newIndex > this._columns.Count - 1*/)
{
throw new Exception("无法移动列，newIndex:" + newIndex.ToString() + "错误");
}
if (moveColumnIndex == newIndex)
{
throw new Exception("无法移动列，moveColumnIndex:" + newIndex.ToString() + "与columnIndexAfterNewIndex相等");
}
I3Column moveColumn = this._columns[moveColumnIndex];
this._columns.Remove(moveColumn);
this._columns.Insert(newIndex, moveColumn);
this.OnColumnPositionChanged(moveColumnIndex, newIndex);
}
/// <summary>
/// Inserts a Cell into the collection at the specified index
/// </summary>
/// <param name="index">The zero-based index at which the Cell
/// should be inserted</param>
/// <param name="cell">The Cell to insert</param>
public void Insert(int index, I3Column column)
{
if (column == null)
{
return;
}
if (index < 0)
{
throw new IndexOutOfRangeException();
}
if (index >= this.Count)
{
this.Add(column);
}
else
{
base.List.Insert(index, column);
this.RecalcWidthCache();
this.OnColumnAdded(new I3ColumnModelEventArgs(this.owner, column, index, index));
}
}
/// <summary>
/// 替换两个列的位置
/// </summary>
/// <param name="moveColumn"></param>
/// <param name="columnAfterNewIndex"></param>
public void MoveColumn(I3Column moveColumn, I3Column columnAfterNewIndex)
{
MoveColumn(this._columns.IndexOf(moveColumn), this._columns.IndexOf(columnAfterNewIndex));
}
