void OnEnable()
{
m_SafeArea = (SafeArea)target;
}
public override void OnInspectorGUI()
{
serializedObject.Update();
if (m_SafeArea.GetComponent <RectTransform>() == null || m_SafeArea.transform.parent == null)
{
EditorGUILayout.HelpBox("Safe area must be placed on a valid UI object.", MessageType.Error);
return;
}
m_SafeArea.m_Panel = m_SafeArea.GetComponent <RectTransform>();
EditorGUILayout.HelpBox("Most common use case: add a SafeArea component to a fully stretched panel, with SNAP horizontal and vertical, LEFT_AND_RIGHT and TOP_AND_BOTTOM, and put all your UI buttons inside that panel. For a more advanced use, please see the documentation.", MessageType.Info);
if (m_SafeArea.gameObject.activeInHierarchy &&
m_SafeArea.m_HorizontalConstraintType != SafeArea.Constraint.NONE &&
m_SafeArea.m_Panel.parent.GetComponent <Canvas>() == null &&
(m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().anchorMin.x != 0f ||
m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().anchorMax.x != 1f ||
m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().offsetMin.x != 0f ||
m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().offsetMax.x != 0f))
{
EditorGUILayout.HelpBox("Horizontal Safe Area must be placed within fully horizontally stretched parent to be scaled properly. " +
"\nParent anchor min.x: " + m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().anchorMin.x + " should be 0." +
"\nParent anchor max.x: " + m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().anchorMax.x + " should be 1." +
"\nParent anchor offsetMin.x: " + m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().offsetMin.x + " should be 0." +
"\nParent anchor offsetMax.x: " + m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().offsetMax.x + " should be 0.",
MessageType.Error);
}
if (m_SafeArea.gameObject.activeInHierarchy &&
m_SafeArea.m_VerticalConstraintType != SafeArea.Constraint.NONE &&
m_SafeArea.m_Panel.parent.GetComponent <Canvas>() == null &&
(m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().anchorMin.y != 0f ||
m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().anchorMax.y != 1f ||
m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().offsetMin.y != 0f ||
m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().offsetMax.y != 0f))
{
EditorGUILayout.HelpBox("Vertical Safe Area must be placed within fully vertical stretched parent to be scaled properly. " +
"\nParent anchor min.y: " + m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().anchorMin.y + " should be 0." +
"\nParent anchor max.y: " + m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().anchorMax.y + " should be 1." +
"\nParent anchor offsetMin.y: " + m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().offsetMin.y + " should be 0." +
"\nParent anchor offsetMax.y: " + m_SafeArea.m_Panel.parent.GetComponentInParent <RectTransform>().offsetMax.y + " should be 0.",
MessageType.Error);
}
EditorGUILayout.PropertyField(serializedObject.FindProperty("m_HorizontalConstraintType"));
if (m_SafeArea.m_HorizontalConstraintType != SafeArea.Constraint.NONE)
{
EditorGUILayout.PropertyField(serializedObject.FindProperty("m_HorizontalConstraint"));
}
EditorGUILayout.Separator();
EditorGUILayout.PropertyField(serializedObject.FindProperty("m_VerticalConstraintType"));
if (m_SafeArea.m_VerticalConstraintType != SafeArea.Constraint.NONE)
{
EditorGUILayout.PropertyField(serializedObject.FindProperty("m_VerticalConstraint"));
}
EditorGUILayout.Separator();
EditorGUILayout.Separator();
// DEFAULT ANCHORS
EditorGUILayout.LabelField("Default anchors", EditorStyles.boldLabel);
#if (UNITY_2019_4_OR_NEWER || UNITY_2020_1_OR_NEWER)
// Because we can not detect a change when device simulator is enabled, we need to manually ask to the user to update the anchors
if (SafeArea.IsDeviceSimulatorEnabled())
{
DefaultAnchorButtonGUI();
}
else
{
DefaultAnchorGUI();
}
#else
// We simply update the anchors when they change
DefaultAnchorGUI();
#endif
serializedObject.ApplyModifiedProperties();
}