/// <summary>
/// Draw the custom wizard.
/// </summary>
void OnGUI()
{
Event currentEvent = Event.current;
EventType type = currentEvent.type;
int x = cellPadding, y = cellPadding;
int width = Screen.width - cellPadding;
int spacingX = cellSize + cellPadding;
int spacingY = spacingX;
if (mMode == Mode.DetailedMode)
{
spacingY += 32;
}
GameObject dragged = draggedObject;
bool isDragging = (dragged != null);
int indexUnderMouse = GetCellUnderMouse(spacingX, spacingY);
Item selection = isDragging ? FindItem(dragged) : null;
string searchFilter = NGUISettings.searchField;
int newTab = mTab;
GUILayout.BeginHorizontal();
if (GUILayout.Toggle(newTab == 0, "1", "ButtonLeft"))
{
newTab = 0;
}
if (GUILayout.Toggle(newTab == 1, "2", "ButtonMid"))
{
newTab = 1;
}
if (GUILayout.Toggle(newTab == 2, "3", "ButtonMid"))
{
newTab = 2;
}
if (GUILayout.Toggle(newTab == 3, "4", "ButtonMid"))
{
newTab = 3;
}
if (GUILayout.Toggle(newTab == 4, "5", "ButtonRight"))
{
newTab = 4;
}
GUILayout.EndHorizontal();
if (mTab != newTab)
{
Save();
mTab = newTab;
mReset = true;
NGUISettings.SetInt("NGUI Prefab Tab", mTab);
Load();
}
if (mReset && type == EventType.Repaint)
{
mReset = false;
foreach (Item item in mItems)
{
GeneratePreview(item, null);
}
RectivateLights();
}
// Search field
GUILayout.BeginHorizontal();
{
string after = EditorGUILayout.TextField("", searchFilter, "SearchTextField", GUILayout.Width(Screen.width - 20f));
if (GUILayout.Button("", "SearchCancelButton", GUILayout.Width(18f)))
{
after = "";
GUIUtility.keyboardControl = 0;
}
if (searchFilter != after)
{
NGUISettings.searchField = after;
searchFilter = after;
}
}
GUILayout.EndHorizontal();
bool eligibleToDrag = (currentEvent.mousePosition.y < Screen.height - 40);
if (type == EventType.MouseDown)
{
mMouseIsInside = true;
}
else if (type == EventType.MouseDrag)
{
mMouseIsInside = true;
if (indexUnderMouse != -1 && eligibleToDrag)
{
// Drag operation begins
if (draggedObjectIsOurs)
{
DragAndDrop.StartDrag("Prefab Tool");
}
currentEvent.Use();
}
}
else if (type == EventType.MouseUp)
{
DragAndDrop.PrepareStartDrag();
mMouseIsInside = false;
Repaint();
}
else if (type == EventType.DragUpdated)
{
// Something dragged into the window
mMouseIsInside = true;
UpdateVisual();
currentEvent.Use();
}
else if (type == EventType.DragPerform)
{
// We've dropped a new object into the window
if (dragged != null)
{
if (selection != null)
{
DestroyTexture(selection);
mItems.Remove(selection);
}
AddItem(dragged, indexUnderMouse);
draggedObject = null;
}
mMouseIsInside = false;
currentEvent.Use();
}
else if (type == EventType.DragExited || type == EventType.Ignore)
{
mMouseIsInside = false;
}
// If the mouse is not inside the window, clear the selection and dragged object
if (!mMouseIsInside)
{
selection = null;
dragged = null;
}
// Create a list of indices, inserting an entry of '-1' underneath the dragged object
BetterList <int> indices = new BetterList <int>();
for (int i = 0; i < mItems.size;)
{
if (dragged != null && indices.size == indexUnderMouse)
{
indices.Add(-1);
}
if (mItems[i] != selection)
{
if (string.IsNullOrEmpty(searchFilter) ||
mItems[i].prefab.name.IndexOf(searchFilter, System.StringComparison.CurrentCultureIgnoreCase) != -1)
{
indices.Add(i);
}
}
++i;
}
// There must always be '-1' (Add/Move slot) present
if (!indices.Contains(-1))
{
indices.Add(-1);
}
// We want to start dragging something from within the window
if (eligibleToDrag && type == EventType.MouseDown && indexUnderMouse > -1)
{
GUIUtility.keyboardControl = 0;
if (currentEvent.button == 0 && indexUnderMouse < indices.size)
{
int index = indices[indexUnderMouse];
if (index != -1 && index < mItems.size)
{
selection = mItems[index];
draggedObject = selection.prefab;
dragged = selection.prefab;
currentEvent.Use();
}
}
}
//else if (type == EventType.MouseUp && currentEvent.button == 1 && indexUnderMouse > mItems.size)
//{
// NGUIContextMenu.AddItem("Reset", false, RemoveItem, index);
// NGUIContextMenu.Show();
//}
// Draw the scroll view with prefabs
mPos = GUILayout.BeginScrollView(mPos);
{
Color normal = new Color(1f, 1f, 1f, 0.5f);
for (int i = 0; i < indices.size; ++i)
{
int index = indices[i];
Item ent = (index != -1) ? mItems[index] : selection;
if (ent != null && ent.prefab == null)
{
mItems.RemoveAt(index);
continue;
}
Rect rect = new Rect(x, y, cellSize, cellSize);
Rect inner = rect;
inner.xMin += 2f;
inner.xMax -= 2f;
inner.yMin += 2f;
inner.yMax -= 2f;
rect.yMax -= 1f; // Button seems to be mis-shaped. It's height is larger than its width by a single pixel.
if (!isDragging && (mMode == Mode.CompactMode || (ent == null || ent.tex != null)))
{
mContent.tooltip = (ent != null) ? ent.prefab.name : "Click to add";
}
else
{
mContent.tooltip = "";
}
//if (ent == selection)
{
GUI.color = normal;
NGUIEditorTools.DrawTiledTexture(inner, NGUIEditorTools.backdropTexture);
}
GUI.color = Color.white;
GUI.backgroundColor = normal;
if (GUI.Button(rect, mContent, "Button"))
{
if (ent == null || currentEvent.button == 0)
{
string path = EditorUtility.OpenFilePanel("Add a prefab", NGUISettings.currentPath, "prefab");
if (!string.IsNullOrEmpty(path))
{
NGUISettings.currentPath = System.IO.Path.GetDirectoryName(path);
Item newEnt = CreateItemByPath(path);
if (newEnt != null)
{
mItems.Add(newEnt);
Save();
}
}
}
else if (currentEvent.button == 1)
{
NGUIContextMenu.AddItem("Delete", false, RemoveItem, index);
NGUIContextMenu.Show();
}
}
string caption = (ent == null) ? "" : ent.prefab.name.Replace("Control - ", "");
if (ent != null)
{
if (ent.tex != null)
{
GUI.DrawTexture(inner, ent.tex);
}
else if (mMode != Mode.DetailedMode)
{
GUI.Label(inner, caption, mStyle);
caption = "";
}
}
else
{
GUI.Label(inner, "Add", mStyle);
}
if (mMode == Mode.DetailedMode)
{
GUI.backgroundColor = new Color(1f, 1f, 1f, 0.5f);
GUI.contentColor = new Color(1f, 1f, 1f, 0.7f);
GUI.Label(new Rect(rect.x, rect.y + rect.height, rect.width, 32f), caption, "ProgressBarBack");
GUI.contentColor = Color.white;
GUI.backgroundColor = Color.white;
}
x += spacingX;
if (x + spacingX > width)
{
y += spacingY;
x = cellPadding;
}
}
GUILayout.Space(y);
}
GUILayout.EndScrollView();
// Mode
Mode modeAfter = (Mode)EditorGUILayout.EnumPopup(mMode);
if (modeAfter != mMode)
{
mMode = modeAfter;
mReset = true;
NGUISettings.SetEnum("NGUI Prefab Mode", mMode);
}
}