public GridControl()
{
grid.ColumnDefinitions.Add(new ColumnDefinition());
grid.RowDefinitions.Add(new RowDefinition());
ContentPanel cell = new ContentPanel();
grid.Children.Add(cell);
}
public static void DeleteEmptyRowsAndColumns(ContentPanel contentPanel)
{
DragDropGrid grid = contentPanel.Parent as DragDropGrid;
if (grid != null)
{
Actions.DeleteEmptyRowsAndColumns(grid);
}
}
public Root()
{
this.MinWidth = 400;
this.MinHeight = 400;
contentPanel = new ContentPanel()
{
Margin = new Thickness(16)
};
this.Children.Add(contentPanel);
contentPanel.Children.Add(new GridControl());
}
public static void DeleteContentPanelContents(ContentPanel contentPanel)
{
DragDropGrid grid = contentPanel.Parent as DragDropGrid;
if (grid != null)
{
int columnIndex = Grid.GetColumn(contentPanel);
int rowIndex = Grid.GetRow(contentPanel);
Actions.RemoveCell(grid, columnIndex, rowIndex);
return;
}
Actions.RemoveElementFromPanel(contentPanel, contentPanel.Children[0]);
}
public static void Delete(Panel panel, FrameworkElement toDelete)
{
using (Transaction())
{
ContentPanel contentPanel = panel as ContentPanel;
if (contentPanel != null)
{
DeleteContentPanelContents(contentPanel);
DeleteEmptyRowsAndColumns(contentPanel);
}
else
{
RemoveElementFromPanel(panel, toDelete);
}
Actions.InvalidateLayout(panel);
}
}
private bool[,] GetOccupancyMatrixExcludingEmptyContentPanels()
{
bool[,] matrix = new bool[this.ColumnDefinitions.Count, this.RowDefinitions.Count];
foreach (FrameworkElement child in this.Children)
{
ContentPanel contentPanel = child as ContentPanel;
if (contentPanel != null && contentPanel.Children.Count == 0)
{
continue;
}
int column = Grid.GetColumn(child);
int row = Grid.GetRow(child);
matrix[column, row] = true;
}
return(matrix);
}
public void InsertRowDefinitionCore(RowDefinition rowDefinition, int rowIndex)
{
foreach (FrameworkElement child in this.Children)
{
int childRow = Grid.GetRow(child);
if (childRow >= rowIndex)
{
Grid.SetRow(child, childRow + 1);
}
}
this.RowDefinitions.Insert(rowIndex, rowDefinition);
for (int i = 0; i < this.ColumnDefinitions.Count; i++)
{
ContentPanel cell = new ContentPanel();
Grid.SetColumn(cell, i);
Grid.SetRow(cell, rowIndex);
this.Children.Add(cell);
}
}