/// <summary>
/// Returns the cell to add to a row for the given value, depending on the type of column it will be
/// shown in.
/// If the column is a TextColumn then just the Text property is set. For all other
/// column types just the Data value is set.
/// </summary>
/// <param name="column"></param>
/// <param name="val"></param>
/// <returns></returns>
public virtual Cell GetCell(Column column, object val)
{
Cell cell = null;
switch (column.GetType().Name)
{
case "TextColumn":
cell = new Cell(val.ToString());
break;
case "CheckBoxColumn":
bool check = false;
if (val is Boolean)
check = (bool)val;
cell = new Cell("", check);
break;
default:
cell = new Cell(val);
break;
}
return cell;
}
/// <summary>
/// Returns the new column width if the columns resize mode allows it to be changed.
/// Returns 0 if it should not be changed.
/// </summary>
/// <param name="column"></param>
/// <param name="maxwidth"></param>
/// <returns></returns>
int GetAutoColumnWidthWithMode(Column column, int maxwidth)
{
int changedWidth = 0;
int oldwidth = column.Width;
switch (column.AutoResizeMode)
{
case ColumnAutoResizeMode.Any:
// Always allow the change
changedWidth = maxwidth;
break;
case ColumnAutoResizeMode.Shrink:
// Only allowed if the new width is smaller
if (maxwidth < oldwidth)
changedWidth = maxwidth;
break;
case ColumnAutoResizeMode.Grow:
// Only allowed if the new width is greater
if (maxwidth > oldwidth)
changedWidth = maxwidth;
break;
}
return changedWidth;
}
/// <summary>
/// Returns a rectangle that contains 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 ColumnHeaderRect(Column column)
{
// check if we actually own the column
int index = this.Columns.IndexOf(column);
if (index == -1)
return Rectangle.Empty;
return this.ColumnHeaderRect(index);
}
/// <summary>
/// Initializes a new instance of the Row class with an array of Column objects
/// </summary>
/// <param name="columns">An array of Cell objects that represent the Columns
/// of the ColumnModel</param>
public ColumnModel(Column[] columns)
{
if (columns == null)
{
throw new ArgumentNullException("columns", "Column[] cannot be null");
}
this.Init();
if (columns.Length > 0)
{
this.Columns.AddRange(columns);
}
}
/// <summary>
/// Adds the specified Column to the end of the collection
/// </summary>
/// <param name="column">The Column to add</param>
public int Add(Column column)
{
if (column == null)
{
throw new System.ArgumentNullException("Column is null");
}
int index = this.List.Add(column);
this.RecalcWidthCache();
this.OnColumnAdded(new ColumnModelEventArgs(this.owner, column, index, index));
return index;
}
/// <summary>
/// Removes an array of Column objects from the collection
/// </summary>
/// <param name="columns">An array of Column objects to remove
/// from the collection</param>
public void RemoveRange(Column[] columns)
{
if (columns == null)
{
throw new System.ArgumentNullException("Column[] is null");
}
for (int i=0; i<columns.Length; i++)
{
this.Remove(columns[i]);
}
}
/// <summary>
/// Initializes a new instance of the ColumnEventArgs class with
/// the specified Column source, column index and event type
/// </summary>
/// <param name="source">The Column that Raised the event</param>
/// <param name="index">The index of the Column</param>
/// <param name="eventType">The type of event</param>
/// <param name="oldValue">The old value of the changed property</param>
public ColumnEventArgs(Column source, int index, ColumnEventType eventType, object oldValue)
: base()
{
this.source = source;
this.index = index;
this.eventType = eventType;
this.oldValue = oldValue;
}
/// <summary>
/// Returns the bounding rectangle of the specified column
/// in client coordinates
/// </summary>
/// <param name="column">The column</param>
/// <returns>The bounding rectangle of the specified
/// column</returns>
public Rectangle ColumnRect(Column column)
{
if (this.ColumnModel == null)
{
return Rectangle.Empty;
}
return this.ColumnRect(this.ColumnModel.Columns.IndexOf(column));
}
/// <summary>
///
/// </summary>
/// <param name="column"></param>
internal void SetColumn(Column column)
{
this.source = column;
}
/// <summary>
/// Initializes a new instance of the ColumnEventArgs class with
/// the specified Column source, column index and event type
/// </summary>
/// <param name="source">The Column that Raised the event</param>
/// <param name="eventType">The type of event</param>
/// <param name="oldValue">The old value of the changed property</param>
public ColumnEventArgs(Column source, ColumnEventType eventType, object oldValue)
: this(source, -1, eventType, oldValue)
{
}
/// <summary>
/// Creates a HeaderToolTipEventArgs using the values from args.
/// </summary>
/// <param name="column"></param>
/// <param name="location"></param>
public HeaderToolTipEventArgs(Column column, Point location)
: base(false)
{
this.Column = column;
this.Location = location;
this.ToolTipText = column.ToolTipText;
}
/// <summary>
/// Initializes a new instance of the HeaderMouseEventArgs class with
/// the specified source Column, Table, column index and column header bounds
/// </summary>
/// <param name="column">The Column that Raised the event</param>
/// <param name="table">The Table the Column belongs to</param>
/// <param name="index">The index of the Column</param>
/// <param name="headerRect">The column header's bounding rectangle</param>
public HeaderMouseEventArgs(Column column, Table table, int index, Rectangle headerRect) : base(MouseButtons.None, 0, -1, -1, 0)
{
this.column = column;
this.table = table;
this.index = index;
this.headerRect = headerRect;
}
/// <summary>
/// Initializes a new instance of the HeaderMouseEventArgs class with
/// the specified source Column, Table, column index, column header bounds
/// and MouseEventArgs
/// </summary>
/// <param name="column">The Column that Raised the event</param>
/// <param name="table">The Table the Column belongs to</param>
/// <param name="index">The index of the Column</param>
/// <param name="headerRect">The column header's bounding rectangle</param>
/// <param name="mea">The MouseEventArgs that contains data about the
/// mouse event</param>
public HeaderMouseEventArgs(Column column, Table table, int index, Rectangle headerRect, MouseEventArgs mea) : base(mea.Button, mea.Clicks, mea.X, mea.Y, mea.Delta)
{
this.column = column;
this.table = table;
this.index = index;
this.headerRect = headerRect;
}
/// <summary>
/// Sorts the specified column in the specified sort direction
/// </summary>
/// <param name="index">The index of the column to sort</param>
/// <param name="column">The column to sort</param>
/// <param name="sortOrder">The direction the column is to be sorted</param>
/// <param name="stable">Specifies whether a stable sorting method
/// should be used to sort the column</param>
private void Sort(int index, Column column, SortOrder sortOrder, bool stable)
{
// make sure a null comparer type doesn't sneak past
ComparerBase comparer = null;
if (column.Comparer != null)
{
comparer = (ComparerBase) Activator.CreateInstance(column.Comparer, new object[] { this.TableModel, index, sortOrder });
}
else if (column.DefaultComparerType != null)
{
comparer = (ComparerBase) Activator.CreateInstance(column.DefaultComparerType, new object[] { this.TableModel, index, sortOrder });
}
else
{
return;
}
column.InternalSortOrder = sortOrder;
// create the comparer
SorterBase sorter = null;
// work out which sort method to use.
// - InsertionSort/MergeSort are stable sorts,
// whereas ShellSort/HeapSort are unstable
// - InsertionSort/ShellSort are faster than
// MergeSort/HeapSort on small lists and slower
// on large lists
// so we choose based on the size of the list and
// whether the user wants a stable sort
if (this.SortType == SortType.AutoSort)
{
if (this.TableModel.Rows.Count < 1000)
{
if (this.StableSort)
sorter = new InsertionSorter(this.TableModel, index, comparer, sortOrder);
else
sorter = new ShellSorter(this.TableModel, index, comparer, sortOrder);
}
else
{
if (this.StableSort)
sorter = new MergeSorter(this.TableModel, index, comparer, sortOrder);
else
sorter = new HeapSorter(this.TableModel, index, comparer, sortOrder);
}
}
else
{
switch (this.SortType)
{
case SortType.HeapSort: { sorter = new HeapSorter(this.TableModel, index, comparer, sortOrder); break; }
case SortType.InsertionSort: { sorter = new InsertionSorter(this.TableModel, index, comparer, sortOrder); break; }
case SortType.MergeSort: { sorter = new MergeSorter(this.TableModel, index, comparer, sortOrder); break; }
case SortType.ShellSort: { sorter = new ShellSorter(this.TableModel, index, comparer, sortOrder); break; }
default: { throw new ApplicationException("Invalid Sort Type - " + this.SortType.ToString()); }
}
}
sorter.SecondarySortOrders = this.ColumnModel.SecondarySortOrders;
sorter.SecondaryComparers = this.GetSecondaryComparers(this.ColumnModel.SecondarySortOrders);
// don't let the table redraw
this.BeginUpdate();
this.OnBeginSort(new ColumnEventArgs(column, index, ColumnEventType.Sorting, null));
// Added by -= Micronn =- on 22 dec 2005
Row focusedRow = null;
if (this.FocusedCell != CellPos.Empty)
focusedRow = this.tableModel.Rows[ this.FocusedCell.Row ];
sorter.Sort();
// Added by -= Micronn =- on 22 dec 2005
if (focusedRow != null)
{
this.FocusedCell = new CellPos(focusedRow.Index, this.FocusedCell.Column);
this.EnsureVisible(this.FocusedCell);
}
this.OnEndSort(new ColumnEventArgs(column, index, ColumnEventType.Sorting, null));
// redraw any changes
this.EndUpdate();
}
/// <summary>
/// Initializes a new instance of the PaintHeaderEventArgs class with
/// the specified graphics, column, table, column index, header style
/// and clipping rectangle
/// </summary>
/// <param name="g">The Graphics used to paint the Column header</param>
/// <param name="column">The Column to be painted</param>
/// <param name="table">The Table the Column's ColumnModel belongs to</param>
/// <param name="columnIndex">The index of the Column in the Table's ColumnModel</param>
/// <param name="headerStyle">The style of the Column's header</param>
/// <param name="headerRect">The Rectangle that represents the rectangle
/// in which to paint</param>
public PaintHeaderEventArgs(Graphics g, Column column, Table table, int columnIndex, ColumnHeaderStyle headerStyle, Rectangle headerRect)
: base(g, headerRect)
{
this.column = column;
this.table = table;
this.columnIndex = columnIndex;
this.column = column;
this.headerStyle = headerStyle;
this.headerRect = headerRect;
this.handled = false;
}
/// <summary>
/// Initializes a new instance of the ColumnModelEventArgs class with
/// the specified ColumnModel source, start index, end index and affected Column
/// </summary>
/// <param name="source">The ColumnModel that originated the event</param>
/// <param name="column">The affected Column</param>
/// <param name="fromIndex">The start index of the affected Column(s)</param>
/// <param name="toIndex">The end index of the affected Column(s)</param>
public ColumnModelEventArgs(ColumnModel source, Column column, int fromIndex, int toIndex) : base()
{
this.source = source;
this.column = column;
this.fromIndex = fromIndex;
this.toIndex = toIndex;
}
/// <summary>
///
/// </summary>
/// <param name="column"></param>
internal void SetColumn(Column column)
{
this.column = column;
}
/// <summary>
/// Sorts the specified column in the specified sort direction
/// </summary>
/// <param name="index">The index of the column to sort</param>
/// <param name="column">The column to sort</param>
/// <param name="sortOrder">The direction the column is to be sorted</param>
/// <param name="stable">Specifies whether a stable sorting method
/// should be used to sort the column</param>
private void Sort(int index, Column column, SortOrder sortOrder, bool stable)
{
// make sure a null comparer type doesn't sneak past
ComparerBase comparer = null;
if (column.Comparer != null)
{
comparer = (ComparerBase) Activator.CreateInstance(column.Comparer, new object[] {this.TableModel, index, sortOrder});
}
else if (column.DefaultComparerType != null)
{
comparer = (ComparerBase) Activator.CreateInstance(column.DefaultComparerType, new object[] {this.TableModel, index, sortOrder});
}
else
{
return;
}
column.InternalSortOrder = sortOrder;
// create the comparer
SorterBase sorter = null;
// work out which sort method to use.
// - InsertionSort/MergeSort are stable sorts,
// whereas ShellSort/HeapSort are unstable
// - InsertionSort/ShellSort are faster than
// MergeSort/HeapSort on small lists and slower
// on large lists
// so we choose based on the size of the list and
// whether the user wants a stable sort
if (this.TableModel.Rows.Count < 1000)
{
if (stable)
{
sorter = new InsertionSorter(this.TableModel, index, comparer, sortOrder);
}
else
{
sorter = new ShellSorter(this.TableModel, index, comparer, sortOrder);
}
}
else
{
if (stable)
{
sorter = new MergeSorter(this.TableModel, index, comparer, sortOrder);
}
else
{
sorter = new HeapSorter(this.TableModel, index, comparer, sortOrder);
}
}
// don't let the table redraw
this.BeginUpdate();
this.OnBeginSort(new ColumnEventArgs(column, index, ColumnEventType.Sorting, null));
sorter.Sort();
this.OnEndSort(new ColumnEventArgs(column, index, ColumnEventType.Sorting, null));
// redraw any changes
this.EndUpdate();
}
public override Cell GetCell(Column column, object val)
{
Cell c;
if (column.Text == "size")
{
if (val is int)
{
int i = (int)val;
Image image = i < _list.Images.Count ? _list.Images[i] : null;
Cell cell = new Cell(val.ToString(), image);
c = cell;
}
else
{
throw new ApplicationException("Unexpected datatype " + val.GetType().ToString());
}
}
else
{
c = base.GetCell(column, val);
}
c.CellStyle = new CellStyle();
c.CellStyle.Font = new Font(_font.FontFamily, 10);
//c.Font = new Font(c.Font.FontFamily, 18);
return c;
}
/// <summary>
/// Removes the specified Column from the model
/// </summary>
/// <param name="column">The Column to remove</param>
public void Remove(Column column)
{
int columnIndex = this.IndexOf(column);
if (columnIndex != -1)
{
this.RemoveAt(columnIndex);
}
}
/// <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 ColumnModel(string[] columns)
{
if (columns == null)
{
throw new ArgumentNullException("columns", "string[] cannot be null");
}
this.Init();
if (columns.Length > 0)
{
Column[] cols = new Column[columns.Length];
for (int i=0; i<columns.Length; i++)
{
cols[i] = new TextColumn(columns[i]);
}
this.Columns.AddRange(cols);
}
}
/// <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(Column column)
{
for (int i=0; i<this.Count; i++)
{
if (this[i] == column)
{
return i;
}
}
return -1;
}
/// <summary>
/// Creates a new TextColumnFilter
/// </summary>
public TextColumnFilter(Column column)
{
Column = column;
_allowedItems = null;
}