private void SetIconExpansion(SiblingOrder siblingOrder, TextureIcons middle, TextureIcons last)
{
bool result;
switch (siblingOrder)
{
case SiblingOrder.FIRST_CHILD:
case SiblingOrder.MIDDLE_CHILD:
result = ParentControl.Button(middle);
break;
case SiblingOrder.LAST_CHILD:
result = ParentControl.Button(last);
break;
default:
result = false;
break;
}
if (result)
{
IsExpanded = !IsExpanded;
}
}
public void DisplayItem(int levels, SiblingOrder siblingOrder)
{
if (null == ParentControl || IsHidden)
{
return;
}
GUILayout.BeginHorizontal();
for (int index = 0; index < levels; ++index)
{
ParentControl.Button(TextureIcons.GUIDE);
}
if (!HasChildItems())
{
bool result;
switch (siblingOrder)
{
case SiblingOrder.FIRST_CHILD:
result = ParentControl.Button(TextureIcons.MIDDLE_SIBLING_NO_CHILD);
break;
case SiblingOrder.MIDDLE_CHILD:
result = ParentControl.Button(TextureIcons.MIDDLE_SIBLING_NO_CHILD);
break;
case SiblingOrder.LAST_CHILD:
result = ParentControl.Button(TextureIcons.LAST_SIBLING_NO_CHILD);
break;
default:
result = false;
break;
}
if (result)
{
IsExpanded = !IsExpanded;
}
}
else
{
if (IsExpanded)
{
bool result;
switch (siblingOrder)
{
case SiblingOrder.FIRST_CHILD:
result = ParentControl.Button(TextureIcons.MIDDLE_SIBLING_EXPANDED);
break;
case SiblingOrder.MIDDLE_CHILD:
result = ParentControl.Button(TextureIcons.MIDDLE_SIBLING_EXPANDED);
break;
case SiblingOrder.LAST_CHILD:
result = ParentControl.Button(TextureIcons.LAST_SIBLING_EXPANDED);
break;
default:
result = false;
break;
}
if (result)
{
IsExpanded = !IsExpanded;
}
}
else
{
bool result;
switch (siblingOrder)
{
case SiblingOrder.FIRST_CHILD:
result = ParentControl.Button(TextureIcons.MIDDLE_SIBLING_COLLAPSED);
break;
case SiblingOrder.MIDDLE_CHILD:
result = ParentControl.Button(TextureIcons.MIDDLE_SIBLING_COLLAPSED);
break;
case SiblingOrder.LAST_CHILD:
result = ParentControl.Button(TextureIcons.LAST_SIBLING_COLLAPSED);
break;
default:
result = false;
break;
}
if (result)
{
IsExpanded = !IsExpanded;
}
}
}
bool clicked = false;
// display the text for the tree view
if (!string.IsNullOrEmpty(Header))
{
bool isSelected;
if (ParentControl.SelectedItem == this &&
!ParentControl.m_forceDefaultSkin)
{
//use selected skin
GUI.skin = ParentControl.m_skinSelected;
isSelected = true;
}
else
{
isSelected = false;
}
if (IsCheckBox)
{
if (IsChecked &&
ParentControl.Button(TextureIcons.NORMAL_CHECKED))
{
IsChecked = false;
if (ParentControl.SelectedItem != this)
{
ParentControl.SelectedItem = this;
this.IsSelected = true;
if (null != Selected)
{
Selected.Invoke(this, new SelectedEventArgs());
}
}
if (null != Unchecked)
{
Unchecked.Invoke(this, new UncheckedEventArgs());
}
}
else if (!IsChecked &&
ParentControl.Button(TextureIcons.NORMAL_UNCHECKED))
{
IsChecked = true;
if (ParentControl.SelectedItem != this)
{
ParentControl.SelectedItem = this;
this.IsSelected = true;
if (null != Selected)
{
Selected.Invoke(this, new SelectedEventArgs());
}
}
if (null != Checked)
{
Checked.Invoke(this, new CheckedEventArgs());
}
}
ParentControl.Button(TextureIcons.BLANK);
}
// Add a custom icon, if any
if (null != CustomIconBuilder)
{
CustomIconBuilder.Invoke(this, new CustomIconEventArgs());
ParentControl.Button(TextureIcons.BLANK);
}
if (UnityEngine.Event.current.isMouse)
{
s_clickCount = UnityEngine.Event.current.clickCount;
}
if (ParentControl.IsHoverEnabled)
{
GUISkin oldSkin = GUI.skin;
if (isSelected)
{
GUI.skin = ParentControl.m_skinSelected;
}
else if (IsHover)
{
GUI.skin = ParentControl.m_skinHover;
}
else
{
GUI.skin = ParentControl.m_skinUnselected;
}
if (ParentControl.IsHoverAnimationEnabled)
{
GUI.skin.button.fontSize = (int)Mathf.Lerp(20f, 12f, m_hoverTime);
}
GUI.SetNextControlName("toggleButton"); //workaround to dirty GUI
if (GUILayout.Button(Header))
{
GUI.FocusControl("toggleButton"); //workaround to dirty GUI
if (ParentControl.SelectedItem != this)
{
ParentControl.SelectedItem = this;
this.IsSelected = true;
if (null != Selected)
{
Selected.Invoke(this, new SelectedEventArgs());
}
}
if (null != Click && (uint)s_clickCount <= 2)
{
clicked = true;
}
}
GUI.skin = oldSkin;
}
else
{
GUI.SetNextControlName("toggleButton"); //workaround to dirty GUI
if (GUILayout.RepeatButton(Header))
{
GUI.FocusControl("toggleButton"); //workaround to dirty GUI
if (ParentControl.SelectedItem != this)
{
ParentControl.SelectedItem = this;
this.IsSelected = true;
if (null != Selected)
{
Selected.Invoke(this, new SelectedEventArgs());
}
}
if (null != Click && (uint)s_clickCount <= 2)
{
clicked = true;;
}
}
}
if (isSelected &&
!ParentControl.m_forceDefaultSkin)
{
//return to default skin
GUI.skin = ParentControl.m_skinUnselected;
}
}
GUILayout.EndHorizontal();
if (ParentControl.IsHoverEnabled)
{
if (null != UnityEngine.Event.current &&
UnityEngine.Event.current.type == EventType.Repaint)
{
Vector2 mousePos = UnityEngine.Event.current.mousePosition;
if (ParentControl.HasFocus(mousePos))
{
Rect lastRect = GUILayoutUtility.GetLastRect();
if (lastRect.Contains(mousePos))
{
IsHover = true;
ParentControl.HoverItem = this;
}
else
{
IsHover = false;
}
if (ParentControl.IsHoverEnabled &&
ParentControl.IsHoverAnimationEnabled)
{
m_hoverTime = CalculateHoverTime(lastRect, UnityEngine.Event.current.mousePosition);
}
}
}
}
if (HasChildItems() &&
IsExpanded)
{
for (int index = 0; index < Items.Count; ++index)
{
TreeViewItem child = Items[index];
child.Parent = this;
if ((index + 1) == Items.Count)
{
child.DisplayItem(levels + 1, SiblingOrder.LAST_CHILD);
}
else if (index == 0)
{
child.DisplayItem(levels + 1, SiblingOrder.FIRST_CHILD);
}
else
{
child.DisplayItem(levels + 1, SiblingOrder.MIDDLE_CHILD);
}
}
}
if (clicked)
{
Click.Invoke(this, new ClickEventArgs((uint)s_clickCount));
}
if (IsSelected &&
ParentControl.SelectedItem != this)
{
if (null != Unselected)
{
Unselected.Invoke(this, new UnselectedEventArgs());
}
}
IsSelected = ParentControl.SelectedItem == this;
if (IsDraggable)
{
HandleGUIEvents();
}
}