private void CreateSearchTree()
{
List <SearchTreeEntry> tree = provider.CreateSearchTree(m_Context);
if (tree != null)
{
m_Tree = tree.ToArray();
}
else
{
m_Tree = new SearchTreeEntry[0];
}
// Rebuild stack
if (m_SelectionStack.Count == 0)
{
m_SelectionStack.Add(m_Tree[0] as SearchTreeGroupEntry);
}
else
{
// The root is always the match for level 0
SearchTreeGroupEntry match = m_Tree[0] as SearchTreeGroupEntry;
int level = 0;
while (true)
{
// Assign the match for the current level
SearchTreeGroupEntry oldSearchTreeEntry = m_SelectionStack[level];
m_SelectionStack[level] = match;
m_SelectionStack[level].selectedIndex = oldSearchTreeEntry.selectedIndex;
m_SelectionStack[level].scroll = oldSearchTreeEntry.scroll;
// See if we reached last SearchTreeEntry of stack
level++;
if (level == m_SelectionStack.Count)
{
break;
}
// Try to find a child of the same name as we had before
List <SearchTreeEntry> children = GetChildren(activeTree, match);
SearchTreeEntry childMatch = children.FirstOrDefault(c => c.name == m_SelectionStack[level].name);
if (childMatch != null && childMatch is SearchTreeGroupEntry)
{
match = childMatch as SearchTreeGroupEntry;
}
else
{
// If we couldn't find the child, remove all further SearchTreeEntrys from the stack
m_SelectionStack.RemoveRange(level, m_SelectionStack.Count - level);
}
}
}
s_DirtyList = false;
RebuildSearch();
}
private void ListGUI(SearchTreeEntry[] tree, float anim, SearchTreeGroupEntry parent, SearchTreeGroupEntry grandParent)
{
// Smooth the fractional part of the anim value
anim = Mathf.Floor(anim) + Mathf.SmoothStep(0, 1, Mathf.Repeat(anim, 1));
// Calculate rect for animated area
Rect animRect = position;
animRect.x = position.width * (1 - anim) + 1;
animRect.y = k_HeaderHeight;
animRect.height -= k_HeaderHeight;
animRect.width -= 2;
// Start of animated area (the part that moves left and right)
GUILayout.BeginArea(animRect);
// Header
Rect headerRect = GUILayoutUtility.GetRect(10, 25);
string name = parent.name;
GUI.Label(headerRect, name, s_Styles.header);
// Back button
if (grandParent != null)
{
float yOffset = (headerRect.height - s_Styles.leftArrow.fixedHeight) / 2;
Rect arrowRect = new Rect(
headerRect.x + s_Styles.leftArrow.margin.left,
headerRect.y + yOffset,
s_Styles.leftArrow.fixedWidth,
s_Styles.leftArrow.fixedHeight);
if (Event.current.type == EventType.Repaint)
{
s_Styles.leftArrow.Draw(arrowRect, false, false, false, false);
}
if (Event.current.type == EventType.MouseDown && headerRect.Contains(Event.current.mousePosition))
{
GoToParent();
Event.current.Use();
}
}
ListGUI(tree, parent);
GUILayout.EndArea();
}
private void ListGUI(SearchTreeEntry[] tree, SearchTreeGroupEntry parent)
{
// Start of scroll view list
parent.scroll = GUILayout.BeginScrollView(parent.scroll);
EditorGUIUtility.SetIconSize(new Vector2(16, 16));
List <SearchTreeEntry> children = GetChildren(tree, parent);
Rect selectedRect = new Rect();
// Iterate through the children
for (int i = 0; i < children.Count; i++)
{
SearchTreeEntry e = children[i];
Rect r = GUILayoutUtility.GetRect(16, 20, GUILayout.ExpandWidth(true));
// Select the SearchTreeEntry the mouse cursor is over.
// Only do it on mouse move - keyboard controls are allowed to overwrite this until the next time the mouse moves.
if (Event.current.type == EventType.MouseMove || Event.current.type == EventType.MouseDown)
{
if (parent.selectedIndex != i && r.Contains(Event.current.mousePosition))
{
parent.selectedIndex = i;
Repaint();
}
}
bool selected = false;
// Handle selected item
if (i == parent.selectedIndex)
{
selected = true;
selectedRect = r;
}
// Draw SearchTreeEntry
if (Event.current.type == EventType.Repaint)
{
GUIStyle labelStyle = (e is SearchTreeGroupEntry) ? s_Styles.groupButton : s_Styles.componentButton;
labelStyle.Draw(r, e.content, false, false, selected, selected);
if ((e is SearchTreeGroupEntry))
{
float yOffset = (r.height - s_Styles.rightArrow.fixedHeight) / 2;
Rect arrowRect = new Rect(
r.xMax - s_Styles.rightArrow.fixedWidth - s_Styles.rightArrow.margin.right,
r.y + yOffset,
s_Styles.rightArrow.fixedWidth,
s_Styles.rightArrow.fixedHeight);
s_Styles.rightArrow.Draw(arrowRect, false, false, false, false);
}
}
if (Event.current.type == EventType.MouseDown && r.Contains(Event.current.mousePosition))
{
Event.current.Use();
parent.selectedIndex = i;
SelectEntry(e, true);
}
}
EditorGUIUtility.SetIconSize(Vector2.zero);
GUILayout.EndScrollView();
// Scroll to show selected
if (m_ScrollToSelected && Event.current.type == EventType.Repaint)
{
m_ScrollToSelected = false;
Rect scrollRect = GUILayoutUtility.GetLastRect();
if (selectedRect.yMax - scrollRect.height > parent.scroll.y)
{
parent.scroll.y = selectedRect.yMax - scrollRect.height;
Repaint();
}
if (selectedRect.y < parent.scroll.y)
{
parent.scroll.y = selectedRect.y;
Repaint();
}
}
}