private void DrawElementCB(Rect totalRect, int index, bool isActive, bool isFocused)
{
float dividerSize = 1f;
float paddingV = 6f;
float paddingH = 4f;
float labelWidth = 80f;
float iconSize = 14f;
bool isSelected = m_reorderableList.index == index;
Color bgColor;
if (EditorGUIUtility.isProSkin)
{
if (isSelected)
{
ColorUtility.TryParseHtmlString("#424242", out bgColor);
}
else
{
ColorUtility.TryParseHtmlString("#383838", out bgColor);
}
}
else
{
if (isSelected)
{
ColorUtility.TryParseHtmlString("#b4b4b4", out bgColor);
}
else
{
ColorUtility.TryParseHtmlString("#c2c2c2", out bgColor);
}
}
Color dividerColor;
if (isSelected)
{
dividerColor = new Color(0, .8f, .8f, 1f);
}
else
{
if (EditorGUIUtility.isProSkin)
{
ColorUtility.TryParseHtmlString("#202020", out dividerColor);
}
else
{
ColorUtility.TryParseHtmlString("#a8a8a8", out dividerColor);
}
}
Color prevColor = GUI.color;
// modify total rect so it hides the builtin list UI
totalRect.xMin -= 20f;
totalRect.xMax += 4f;
bool containsMouse = false;
if (totalRect.Contains(Event.current.mousePosition))
{
containsMouse = true;
}
// modify currently selected element if mouse down in this elements GUI rect
if (containsMouse && Event.current.type == EventType.MouseDown)
{
m_reorderableList.index = index;
}
// draw list element separator
Rect separatorRect = totalRect;
// separatorRect.height = dividerSize;
GUI.color = dividerColor;
GUI.DrawTexture(separatorRect, Texture2D.whiteTexture, ScaleMode.StretchToFill);
GUI.color = prevColor;
// Draw BG texture to hide ReorderableList highlight
totalRect.yMin += dividerSize;
totalRect.xMin += dividerSize;
totalRect.xMax -= dividerSize;
totalRect.yMax -= dividerSize;
GUI.color = bgColor;
GUI.DrawTexture(totalRect, Texture2D.whiteTexture, ScaleMode.StretchToFill, false);
GUI.color = new Color(.7f, .7f, .7f, 1f);
Filter filter = GetFilterAtIndex(index);
if (filter == null)
{
return;
}
bool changed = false;
Rect moveRect = new Rect(totalRect.xMin + paddingH, totalRect.yMin + paddingV, iconSize, iconSize);
Rect enabledRect = new Rect(moveRect.xMax + paddingH, moveRect.yMin, iconSize, iconSize);
Rect elementRect = new Rect(enabledRect.xMax + paddingH,
enabledRect.yMin,
totalRect.xMax - (enabledRect.xMax + paddingH),
totalRect.height - paddingV * 2);
Rect dropdownRect = new Rect(enabledRect.xMax + paddingH, moveRect.yMin, labelWidth, EditorGUIUtility.singleLineHeight);
Rect removeRect = new Rect(elementRect.xMax - iconSize - paddingH, moveRect.yMin, iconSize, iconSize);
// draw move handle rect
if (containsMouse || isSelected)
{
EditorGUIUtility.AddCursorRect(moveRect, MouseCursor.Pan);
GUI.DrawTexture(moveRect, Styles.move, ScaleMode.StretchToFill);
}
EditorGUI.BeginChangeCheck();
{
// show eye for toggling enabled state of the filter
if (GUI.Button(enabledRect, Styles.GetEyeTexture(filter.enabled), GUIStyle.none))
{
// m_filterStack.filters[index].enabled = !m_filterStack.filters[index].enabled;
Undo.RecordObject(filter, "Toggle Filter Enable");
filter.enabled = !filter.enabled;
if (EditorUtility.IsPersistent(m_filterStack))
{
EditorUtility.SetDirty(m_filterStack);
AssetDatabase.SaveAssets();
}
}
}
changed |= EditorGUI.EndChangeCheck();
// update dragging state
if (containsMouse && isSelected)
{
if (Event.current.type == EventType.MouseDrag && !m_dragging && isFocused)
{
m_dragging = true;
m_reorderableList.index = index;
}
}
if (m_dragging)
{
if (Event.current.type == EventType.MouseUp)
{
m_dragging = false;
}
}
using (new EditorGUI.DisabledScope(!m_filterStack.filters[index].enabled || (m_dragging && m_reorderableList.index == index)))
{
int selected = GetFilterIndex(filter.GetDisplayName());
if (selected < 0)
{
selected = 0;
Debug.Log($"Could not find correct filter type for: {filter.GetDisplayName()}. Defaulting to first filter type");
}
EditorGUI.LabelField(dropdownRect, s_displayNames[selected]);
if (!m_dragging)
{
Rect filterRect = new Rect(dropdownRect.xMax + paddingH, dropdownRect.yMin, removeRect.xMin - dropdownRect.xMax - paddingH * 2, elementRect.height);
GUI.color = prevColor;
Undo.RecordObject(filter, "Filter Changed");
EditorGUI.BeginChangeCheck();
filter.DoGUI(filterRect);
changed |= EditorGUI.EndChangeCheck();
}
}
if (changed)
{
m_serializedObject.ApplyModifiedProperties();
m_serializedObject.Update();
onChanged?.Invoke(m_serializedObject.targetObject as FilterStack);
}
GUI.color = prevColor;
}
