/// <summary>
/// Initializes a new instance of the ColumnCollectionEditor class
/// using the specified collection type
/// </summary>
/// <param name="type">The type of the collection for this editor to edit</param>
public ColumnCollectionEditor(Type type) : base(type)
{
this.columns = null;
this.previewColumnModel = new ColumnModel();
this.previewColumnModel.Columns.Add(new TextColumn("Column", 116));
this.previewTableModel = new TableModel();
this.previewTableModel.Rows.Add(new Row());
Cell cell = new Cell();
cell.Editable = false;
cell.ToolTipText = "This is a Cell ToolTip";
this.previewTableModel.Rows[0].Cells.Add(cell);
this.previewTableModel.RowHeight = 20;
this.previewTable = new Table();
this.previewTable.Preview = true;
this.previewTable.Size = new Size(120, 274);
this.previewTable.Location = new Point(246, 24);
this.previewTable.GridLines = GridLines.Both;
this.previewTable.TabStop = false;
this.previewTable.EnableToolTips = true;
this.previewTable.ColumnModel = this.previewColumnModel;
this.previewTable.TableModel = this.previewTableModel;
this.previewLabel = new Label();
this.previewLabel.Text = "Preview:";
this.previewLabel.Size = new Size(140, 16);
this.previewLabel.Location = new Point(247, 8);
}
/// <summary>
/// Edits the value of the specified object using the specified
/// service provider and context
/// </summary>
/// <param name="context">An ITypeDescriptorContext that can be used to gain additional context information</param>
/// <param name="isp">A service provider object through which editing services can be obtained</param>
/// <param name="value">the value of the object under edit</param>
/// <returns>The new value of the object. If the value is not changed, this should return the original value</returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider isp, object value)
{
this.columnCollection = (ColumnCollection) value;
foreach (Column column in this.columnCollection)
{
column.PropertyChanged += new ColumnEventHandler(this.column_PropertyChanged);
}
object newCollection = base.EditValue(context, isp, value);
ColumnModel columns = (ColumnModel)context.Instance;
if (columns.Table != null)
{
columns.Table.PerformLayout();
columns.Table.Refresh();
}
return newCollection;
}
/// <summary>
/// Initialise default settings
/// </summary>
private void Init()
{
this.columns = null;
this.table = null;
this.headerHeight = ColumnModel.DefaultHeaderHeight;
this.cellRenderers = new Hashtable();
this.SetCellRenderer("TEXT", new TextCellRenderer());
this.cellEditors = new Hashtable();
this.SetCellEditor("TEXT", new TextCellEditor());
this.secondarySortOrder = new SortColumnCollection();
}
/// <summary>
/// Initialise default settings
/// </summary>
private void Init()
{
this.columns = null;
this.table = null;
this.headerHeight = ColumnModel.DefaultHeaderHeight;
this.cellRenderers = new Hashtable();
this.SetCellRenderer("TEXT", new TextCellRenderer());
this.cellEditors = new Hashtable();
this.SetCellEditor("TEXT", new TextCellEditor());
}
/// <summary>
/// Edits the value of the specified object using the specified
/// service provider and context
/// </summary>
/// <param name="context">An ITypeDescriptorContext that can be
/// used to gain additional context information</param>
/// <param name="isp">A service provider object through which
/// editing services can be obtained</param>
/// <param name="value">The object to edit the value of</param>
/// <returns>The new value of the object. If the value of the
/// object has not changed, this should return the same object
/// it was passed</returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider isp, object value)
{
this.columns = (ColumnCollection) value;
// for some reason (might be beacause Column is an
// abstract class) the table doesn't get redrawn
// when a columns property changes, but we can get
// around that by subscribing to the columns
// PropertyChange event and passing the message on
// to the table ourselves. we need to do this for
// all the existing columns in the collection
for (int i=0; i<this.columns.Count; i++)
{
this.columns[i].PropertyChanged += new ColumnEventHandler(column_PropertyChanged);
}
object returnObject = base.EditValue(context, isp, value);
ColumnModel model = (ColumnModel) context.Instance;
if (model.Table != null)
{
model.Table.PerformLayout();
model.Table.Refresh();
}
return returnObject;
}
/// <summary>
/// Initialise default settings
/// </summary>
private void Init()
{
this.columns = null;
this.table = null;
this.headerHeight = ColumnModel.DefaultHeaderHeight;
this.cellRenderers = new Dictionary<string, ICellRenderer>();
this.SetCellRenderer(DefaultKey, new TextCellRenderer());
this.cellEditors = new Dictionary<string, ICellEditor>();
this.SetCellEditor(DefaultKey, new TextCellEditor());
this.secondarySortOrder = new SortColumnCollection();
}
