/// <summary>
/// Called to add a new widget to the collection, note that we may have to add a new row or column
/// to the display in order that the widget can be displayed
/// </summary>
/// <param name="widget"></param>
public bool Add(DefaultWidget widget)
{
// we have a free space in the grid so add this widget into the grid
_listWidgets.Add(widget);
this.Controls.Add(widget);
layoutManager.SetIncludeInLayout(widget, true);
// Re-Layout the widgets
if (_listWidgets.Count == 4)
{
LayoutWidgets();
}
return(true);
}
/// <summary>
/// Remove a widget from the display
/// </summary>
/// <param name="widgetName"></param>
/// <returns></returns>
public bool RemoveWidget(string widgetName)
{
DefaultWidget widget = GetWidget(widgetName);
if (widget == null)
{
return(false);
}
// OK so this is a valid widget - however is it already displayed?
// If so then we should remove it
if (IsWidgetDisplayed(widgetName))
{
_widgetView.Remove(widget);
}
return(true);
}
/// <summary>
/// Add a widget to the display
/// </summary>
/// <param name="widgetName"></param>
/// <returns></returns>
public bool DisplayWidget(string widgetName)
{
DefaultWidget widget = GetWidget(widgetName);
if (widget == null)
{
return(false);
}
// OK so this is a valid widget - however is it already displayed?
// If not then we should add it
if (!IsWidgetDisplayed(widgetName))
{
_widgetView.Add(widget);
}
return(true);
}
/// <summary>
/// Called to remove a widget from the collection, note that we may have to delete rows/columns
/// from the display to clean up after this widget is removed
/// </summary>
/// <param name="widget"></param>
public bool Remove(DefaultWidget widgetToRemove)
{
// Remove the control from the form
this.Controls.Remove(widgetToRemove);
// ...and from our internal list
_listWidgets.Remove(widgetToRemove);
// We have lost one item - if the column count is greater than the row count then reduce the columns
// otherwise reduce the row to keep our required shape.
if (columnCount > rowCount)
{
columnCount--;
}
else
{
rowCount--;
}
// Re-Layout the widgets
LayoutWidgets();
return(true);
}