/// <summary>
/// Draw list control with absolute positioning.
/// </summary>
/// <param name="position">Position of list control in GUI.</param>
/// <param name="adaptor">Reorderable list adaptor.</param>
/// <param name="drawEmpty">Delegate for drawing empty list.</param>
public void Draw(Rect position, IReorderableListAdaptor adaptor, DrawEmptyAbsolute drawEmpty) {
int controlID = GUIUtility.GetControlID(FocusType.Passive);
Draw(position, controlID, adaptor, drawEmpty);
}
/// <summary>
/// Generate and draw control from state object.
/// </summary>
/// <param name="position">Position of control.</param>
/// <param name="adaptor">Reorderable list adaptor.</param>
/// <param name="drawEmpty">Delegate for drawing empty list.</param>
/// <param name="flags">Optional flags to pass into list field.</param>
public static void DrawControlFromState(Rect position, IReorderableListAdaptor adaptor, DrawEmptyAbsolute drawEmpty, ReorderableListFlags flags) {
int controlID = GUIUtility.GetControlID(FocusType.Passive);
var control = GUIUtility.GetStateObject(typeof(ReorderableListControl), controlID) as ReorderableListControl;
control.Flags = flags;
control.Draw(position, controlID, adaptor, drawEmpty);
}
/// <summary>
/// Draw list control with absolute positioning.
/// </summary>
/// <param name="position">Position of list control in GUI.</param>
/// <param name="controlID">Unique ID of list control.</param>
/// <param name="adaptor">Reorderable list adaptor.</param>
/// <param name="drawEmpty">Delegate for drawing empty list.</param>
private void Draw(Rect position, int controlID, IReorderableListAdaptor adaptor, DrawEmptyAbsolute drawEmpty) {
FixStyles();
PrepareState(controlID, adaptor);
// Allow for footer area.
if (HasFooterButtons)
position.height -= FooterButtonStyle.fixedHeight;
if (adaptor.Count > 0) {
DrawListContainerAndItems(position, controlID, adaptor);
CheckForAutoFocusControl(controlID);
}
else {
DrawEmptyListControl(position, drawEmpty);
}
DrawFooterControls(position, controlID, adaptor);
}
/// <summary>
/// Draw content for empty list (layout version).
/// </summary>
/// <param name="position">Position of list control in GUI.</param>
/// <param name="drawEmpty">Callback to draw empty content.</param>
private void DrawEmptyListControl(Rect position, DrawEmptyAbsolute drawEmpty) {
if (Event.current.type == EventType.Repaint)
ContainerStyle.Draw(position, GUIContent.none, false, false, false, false);
// Take padding into consideration when drawing empty content.
position.x += ContainerStyle.padding.left;
position.y += ContainerStyle.padding.top;
position.width -= ContainerStyle.padding.horizontal;
position.height -= ContainerStyle.padding.vertical;
if (drawEmpty != null)
drawEmpty(position);
}
/// <summary>
/// Draw list control with absolute positioning.
/// </summary>
/// <param name="position">Position of list control in GUI.</param>
/// <param name="adaptor">Reorderable list adaptor.</param>
/// <param name="drawEmpty">Delegate for drawing empty list.</param>
public void Draw(Rect position, IReorderableListAdaptor adaptor, DrawEmptyAbsolute drawEmpty) {
int controlID = GetReorderableListControlID();
Draw(position, controlID, adaptor, drawEmpty);
}
/// <summary>
/// Draw list control with absolute positioning.
/// </summary>
/// <param name="position">Position of list control in GUI.</param>
/// <param name="controlID">Unique ID of list control.</param>
/// <param name="adaptor">Reorderable list adaptor.</param>
/// <param name="drawEmpty">Delegate for drawing empty list.</param>
private void Draw(Rect position, int controlID, IReorderableListAdaptor adaptor, DrawEmptyAbsolute drawEmpty) {
FixStyles();
PrepareState(controlID, adaptor);
// Allow for footer area.
if (HasFooterButtons)
position.height -= FooterButtonStyle.fixedHeight;
s_CurrentListStack.Push(new ListInfo(_controlID, position));
try {
adaptor.BeginGUI();
DrawListContainerAndItems(position, adaptor);
HandleDropInsertion(position, adaptor);
CheckForAutoFocusControl();
if (adaptor.Count == 0) {
ReorderableListGUI.IndexOfChangedItem = -1;
DrawEmptyListControl(position, drawEmpty);
}
adaptor.EndGUI();
}
finally {
s_CurrentListStack.Pop();
}
DrawFooterControls(position, adaptor);
}
/// <summary>
/// Draw content for empty list (layout version).
/// </summary>
/// <param name="position">Position of list control in GUI.</param>
/// <param name="drawEmpty">Callback to draw empty content.</param>
private void DrawEmptyListControl(Rect position, DrawEmptyAbsolute drawEmpty) {
if (Event.current.type == EventType.Repaint)
ContainerStyle.Draw(position, GUIContent.none, false, false, false, false);
// Take padding into consideration when drawing empty content.
position = ContainerStyle.padding.Remove(position);
if (drawEmpty != null)
drawEmpty(position);
}
