/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Removes a single widget that was added to the grid
/// </summary>
///
/// <param name="widget">The widget to remove</param>
///
/// Usage example:
/// <code>
/// Picture pic = grid.Add(new Picture("1.png"), "picName");
/// Picture pic2 = grid.Add(new Picture("2.png"), "picName2")
/// grid.remove(pic);
/// grid.remove(grid.get("picName2"));
/// </code>
///
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public override void Remove(Widget widget)
{
// Find the widget in the grid
for (int row = 0; row < m_GridWidgets.Count; ++row)
{
for (int col = 0; col < m_GridWidgets[row].Count; ++col)
{
if (m_GridWidgets[row][col] == widget)
{
// Remove the widget from the grid
m_GridWidgets [row].RemoveAt (col);
m_ObjBorders [row].RemoveAt (col);
m_ObjLayout [row].RemoveAt (col);
// Check if this is the last column
if (m_ColumnWidth.Count == m_GridWidgets[row].Count + 1)
{
// Check if there is another row with this many columns
bool rowFound = false;
for (int i = 0; i < m_GridWidgets.Count; ++i)
{
if (m_GridWidgets[i].Count >= m_ColumnWidth.Count)
{
rowFound = true;
break;
}
}
// Erase the last column if no other row is using it
if (rowFound == false)
m_ColumnWidth.RemoveAt(m_ColumnWidth.Count - 1);
}
// If the row is empty then remove it as well
if (m_GridWidgets[row].Count == 0)
{
m_GridWidgets.RemoveAt (row);
m_ObjBorders.RemoveAt (row);
m_ObjLayout.RemoveAt (row);
m_RowHeight.RemoveAt (row);
}
// Update the positions of all remaining widgets
UpdatePositionsOfAllWidgets();
}
}
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Changes the layout of a given widget
/// </summary>
///
/// <param name="widget">The widget for which the layout should be changed</param>
/// <param name="layout">The new layout</param>
///
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public void changeWidgetLayout(Widget widget, Layouts layout)
{
// Find the widget in the grid
for (int row = 0; row < m_GridWidgets.Count; ++row)
{
for (int col = 0; col < m_GridWidgets[row].Count; ++col)
{
if (m_GridWidgets[row][col] == widget)
{
// Change the layout of the widget
m_ObjLayout[row][col] = layout;
// Recalculate the position of the widget
{
// Calculate the available space which is distributed when widgets are positionned.
Vector2f availableSpace = new Vector2f(0, 0);
Vector2f minSize = GetMinSize();
if (m_Size.X > minSize.X)
availableSpace.X = m_Size.X - minSize.X;
if (m_Size.Y > minSize.Y)
availableSpace.Y = m_Size.Y - minSize.Y;
Vector2f availSpaceOffset = new Vector2f(0.5f * availableSpace.X / m_ColumnWidth.Count,
0.5f * availableSpace.Y / m_RowHeight.Count);
float left = 0;
float top = 0;
for (int i = 0; i < row; ++i)
top += m_RowHeight[i] + 2 * availSpaceOffset.Y;
for (int i = 0; i < col; ++i)
left += m_ColumnWidth[i] + 2 * availSpaceOffset.X;
switch (m_ObjLayout[row][col])
{
case Layouts.UpperLeft:
left += m_ObjBorders [row] [col].Left + availSpaceOffset.X;
top += m_ObjBorders [row] [col].Top + availSpaceOffset.Y;
break;
case Layouts.Up:
left += m_ObjBorders[row][col].Left + (((m_ColumnWidth[col] - m_ObjBorders[row][col].Left - m_ObjBorders[row][col].Right) - m_GridWidgets[row][col].FullSize.X) / 2.0f) + availSpaceOffset.X;
top += m_ObjBorders[row][col].Top + availSpaceOffset.Y;
break;
case Layouts.UpperRight:
left += m_ColumnWidth[col] - m_ObjBorders[row][col].Right - m_GridWidgets[row][col].FullSize.X + availSpaceOffset.X;
top += m_ObjBorders[row][col].Top + availSpaceOffset.Y;
break;
case Layouts.Right:
left += m_ColumnWidth[col] - m_ObjBorders[row][col].Right - m_GridWidgets[row][col].FullSize.X + availSpaceOffset.X;
top += m_ObjBorders[row][col].Top + (((m_RowHeight[row] - m_ObjBorders[row][col].Top - m_ObjBorders[row][col].Bottom) - m_GridWidgets[row][col].FullSize.Y) / 2.0f) + availSpaceOffset.Y;
break;
case Layouts.BottomRight:
left += m_ColumnWidth[col] - m_ObjBorders[row][col].Right - m_GridWidgets[row][col].FullSize.X + availSpaceOffset.X;
top += m_RowHeight[row] - m_ObjBorders[row][col].Bottom - m_GridWidgets[row][col].FullSize.Y + availSpaceOffset.Y;
break;
case Layouts.Bottom:
left += m_ObjBorders[row][col].Left + (((m_ColumnWidth[col] - m_ObjBorders[row][col].Left - m_ObjBorders[row][col].Right) - m_GridWidgets[row][col].FullSize.X) / 2.0f) + availSpaceOffset.X;
top += m_RowHeight[row] - m_ObjBorders[row][col].Bottom - m_GridWidgets[row][col].FullSize.Y + availSpaceOffset.Y;
break;
case Layouts.BottomLeft:
left += m_ObjBorders[row][col].Left + availSpaceOffset.X;
top += m_RowHeight[row] - m_ObjBorders[row][col].Bottom - m_GridWidgets[row][col].FullSize.Y + availSpaceOffset.Y;
break;
case Layouts.Left:
left += m_ObjBorders[row][col].Left + availSpaceOffset.X;
top += m_ObjBorders[row][col].Top + (((m_RowHeight[row] - m_ObjBorders[row][col].Top - m_ObjBorders[row][col].Bottom) - m_GridWidgets[row][col].FullSize.Y) / 2.0f) + availSpaceOffset.Y;
break;
case Layouts.Center:
left += m_ObjBorders[row][col].Left + (((m_ColumnWidth[col] - m_ObjBorders[row][col].Left - m_ObjBorders[row][col].Right) - m_GridWidgets[row][col].FullSize.X) / 2.0f) + availSpaceOffset.X;
top += m_ObjBorders[row][col].Top + (((m_RowHeight[row] - m_ObjBorders[row][col].Top - m_ObjBorders[row][col].Bottom) - m_GridWidgets[row][col].FullSize.Y) / 2.0f) + availSpaceOffset.Y;
break;
}
m_GridWidgets[row][col].Position = new Vector2f(left, top);
}
}
}
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Add a widget to the grid
/// </summary>
///
/// <param name="widget">Fully created widget that will be added to the grid</param>
/// <param name="row">The row in which the widget should be placed</param>
/// <param name="col">The column in which the widget should be placed</param>
/// <param name="borders">Distance from the grid square to the widget (left, top, right, bottom)</param>
/// <param name="layout">Where the widget is located in the square</param>
///
/// Usage example:
/// <code>
/// Picture pic = grid.Add(new Picture("1.png"));
/// pic.Size = new Vector2f(400, 300);
/// grid.AddWidget(pic, 0, 0);
/// </code>
///
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public void AddWidget(Widget widget, uint row, uint col, Borders borders, Layouts layout)
{
// Create the row if it didn't exist yet
while (m_GridWidgets.Count < row + 1) m_GridWidgets.Add (new List<Widget>());
while (m_ObjBorders.Count < row + 1) m_ObjBorders.Add (new List<Borders>());
while (m_ObjLayout.Count < row + 1) m_ObjLayout.Add (new List<Layouts>());
while (m_GridWidgets[(int)row].Count < col + 1) m_GridWidgets [(int)row].Add (null);
while (m_ObjBorders[(int)row].Count < col + 1) m_ObjBorders [(int)row].Add (new Borders(0, 0, 0, 0));
while (m_ObjLayout[(int)row].Count < col + 1) m_ObjLayout [(int)row].Add (Layouts.Center);
// If this is a new row then reserve some space for it
while (m_RowHeight.Count < row + 1)
m_RowHeight.Add(0);
// If this is the first row to have so many columns then reserve some space for it
if (m_ColumnWidth.Count < col + 1)
m_ColumnWidth.Add(0);
// Add the widget to the grid
m_GridWidgets[(int)row][(int)col] = widget;
m_ObjBorders[(int)row][(int)col] = borders;
m_ObjLayout[(int)row][(int)col] = layout;
// Update the widgets
UpdateWidgets();
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Changes borders of a given widget
/// </summary>
///
/// <param name="widget">The widget to which borders should be added</param>
/// <param name="borders">The new borders around the widget</param>
///
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public void ChangeWidgetBorders(Widget widget, Borders borders)
{
// Find the widget in the grid
for (int row = 0; row < m_GridWidgets.Count; ++row)
{
for (int col = 0; col < m_GridWidgets[row].Count; ++col)
{
if (m_GridWidgets[row][col] == widget)
{
// Change borders of the widget
m_ObjBorders[row][col] = borders;
// Update all widgets
UpdateWidgets();
}
}
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Copy constructor
/// </summary>
///
/// <param name="copy">Instance to copy</param>
///
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public Widget(Widget copy)
: base(copy)
{
FocusedCallback = copy.FocusedCallback;
UnfocusedCallback = copy.UnfocusedCallback;
MouseEnteredCallback = copy.MouseEnteredCallback;
MouseLeftCallback = copy.MouseLeftCallback;
m_Enabled = copy.m_Enabled;
m_Visible = copy.m_Visible;
m_WidgetPhase = copy.m_WidgetPhase;
m_Parent = copy.m_Parent;
m_Opacity = copy.m_Opacity;
m_AllowFocus = copy.m_AllowFocus;
m_AnimatedWidget = copy.m_AnimatedWidget;
m_DraggableWidget = copy.m_DraggableWidget;
m_Container = copy.m_Container;
m_Callback = new CallbackArgs();
m_Callback.Id = copy.m_Callback.Id;
}