static ReorderableListGUI()
{
InitStyles();
defaultListControl = new ReorderableListControl();
// Duplicate default styles to prevent user scripts from interferring
// with the default list control instance.
defaultListControl.containerStyle = new GUIStyle(defaultContainerStyle);
defaultListControl.addButtonStyle = new GUIStyle(defaultAddButtonStyle);
defaultListControl.removeButtonStyle = new GUIStyle(defaultRemoveButtonStyle);
indexOfChangedItem = -1;
}
/// <summary>
/// Draw list field control for adapted collection.
/// </summary>
/// <param name="adaptor">Reorderable list adaptor.</param>
/// <param name="drawEmpty">
/// Callback to draw custom content for empty list (optional).
/// </param>
/// <param name="flags">Optional flags to pass into list field.</param>
private static void DoListField(IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmpty drawEmpty, ReorderableListFlags flags)
{
ReorderableListControl.DrawControlFromState(adaptor, drawEmpty, flags);
}
/// <summary>
/// Draw list field control for adapted collection.
/// </summary>
/// <param name="position">Position of control.</param>
/// <param name="adaptor">Reorderable list adaptor.</param>
/// <param name="drawEmpty">
/// Callback to draw custom content for empty list (optional).
/// </param>
/// <param name="flags">Optional flags to pass into list field.</param>
private static void DoListFieldAbsolute(Rect position, IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmptyAbsolute drawEmpty, ReorderableListFlags flags)
{
ReorderableListControl.DrawControlFromState(position, adaptor, drawEmpty, flags);
}
/// <inheritdoc cref="DoListField(IReorderableListAdaptor, ReorderableListControl.DrawEmpty, ReorderableListFlags)"/>
public static void ListField(IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmpty drawEmpty)
{
DoListField(adaptor, drawEmpty, 0);
}
/// <inheritdoc cref="DoListFieldAbsolute(Rect, IReorderableListAdaptor, ReorderableListControl.DrawEmptyAbsolute, ReorderableListFlags)"/>
public static void ListFieldAbsolute(Rect position, IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmptyAbsolute drawEmpty)
{
DoListFieldAbsolute(position, adaptor, drawEmpty, 0);
}
private void DrawEmptyListControl(Rect position, ReorderableListControl.DrawEmptyAbsolute drawEmpty)
{
if (Event.current.type == EventType.Repaint)
{
this.containerStyle.Draw(position, GUIContent.none, false, false, false, false);
}
position.x = position.x + (float)this.containerStyle.padding.left;
position.y = position.y + (float)this.containerStyle.padding.top;
position.width = position.width - (float)this.containerStyle.padding.horizontal;
position.height = position.height - (float)this.containerStyle.padding.vertical;
if (drawEmpty != null)
{
drawEmpty(position);
}
}
private Rect DrawLayoutEmptyList(ReorderableListControl.DrawEmpty drawEmpty)
{
Rect result = EditorGUILayout.BeginVertical(this.containerStyle, new GUILayoutOption[0]);
if (drawEmpty != null)
{
drawEmpty();
}
else
{
GUILayout.Space(5f);
}
EditorGUILayout.EndVertical();
GUILayoutUtility.GetRect(0f, this.addButtonStyle.fixedHeight - 1f);
return result;
}
private void Draw(Rect position, int controlID, IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmptyAbsolute drawEmpty)
{
this.FixStyles();
this.PrepareState(controlID, adaptor);
if (this.hasAddButton)
{
position.height = position.height - this.addButtonStyle.fixedHeight;
}
if (adaptor.Count > 0)
{
this.DrawListContainerAndItems(position, controlID, adaptor);
this.CheckForAutoFocusControl(controlID);
}
else
{
this.DrawEmptyListControl(position, drawEmpty);
}
this.DrawFooterControls(position, controlID, adaptor);
}
private void Draw(int controlID, IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmpty drawEmpty)
{
this.FixStyles();
this.PrepareState(controlID, adaptor);
Rect position;
if (adaptor.Count > 0)
{
position = this.DrawLayoutListField(controlID, adaptor);
}
else
{
position = this.DrawLayoutEmptyList(drawEmpty);
}
this.DrawFooterControls(position, controlID, adaptor);
}
public void Draw(Rect position, IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmptyAbsolute drawEmpty)
{
int controlID = GUIUtility.GetControlID(FocusType.Passive);
this.Draw(position, controlID, adaptor, drawEmpty);
}
public void Draw(IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmpty drawEmpty)
{
int controlID = GUIUtility.GetControlID(FocusType.Passive);
this.Draw(controlID, adaptor, drawEmpty);
}
public static void DrawControlFromState(Rect position, IReorderableListAdaptor adaptor, ReorderableListControl.DrawEmptyAbsolute drawEmpty, ReorderableListFlags flags)
{
int controlID = GUIUtility.GetControlID(FocusType.Passive);
ReorderableListControl reorderableListControl = GUIUtility.GetStateObject(typeof(ReorderableListControl), controlID) as ReorderableListControl;
reorderableListControl.flags = flags;
reorderableListControl.Draw(position, controlID, adaptor, drawEmpty);
}
