public TempListElementUI Add()
{
TempListElementUI element = InternalAdd();
m_actualUsedComponents.Add(element);
element.Show();
return(element);
}
/// <summary>
///
/// </summary>
/// <returns>-1 means element is not in the list</returns>
public int IndexOf(TempListElementUI instance)
{
try
{
return(m_actualUsedComponents.IndexOf(instance));
}
catch (ArgumentOutOfRangeException)
{
return(-1);
}
}
public void Remove(TempListElementUI instance)
{
if (m_actualUsedComponents.Remove(instance))
{
instance.Hide();
}
else
{
Debug.LogError($"listview_{this.gameObject.name} does not contains {instance.ElementRectTransform.name}, remove failed");
}
}
public void Clear()
{
TempListElementUI element = null;
while (m_actualUsedComponents.Count > 0)
{
element = m_actualUsedComponents[m_actualUsedComponents.Count - 1];
m_actualUsedComponents.RemoveAt(m_actualUsedComponents.Count - 1);
InternalRemove(element);
}
}
private void FindPrefabInstances()
{
bool hasPrefab = !(m_elementPrefab == null);
TempListElementUI elementPrefab = m_elementPrefab.GetComponent <TempListElementUI>();
m_actualUsedComponents.Clear();
List <GameObject> toDeleteObjectList = new List <GameObject>();
foreach (Transform child in Container)
{
TempListElementUI childElement = child.GetComponent <TempListElementUI>();
if (childElement == null)
{
toDeleteObjectList.Add(child.gameObject);
continue;
}
if (hasPrefab)
{
GameObject detectPrefabGo = UnityEditor.PrefabUtility.GetCorrespondingObjectFromSource(child.gameObject);
TempListElementUI detectPrefab = (detectPrefabGo == null) ? null : detectPrefabGo.GetComponent <TempListElementUI>();
if (elementPrefab == detectPrefab)
{
// same source prefab
m_actualUsedComponents.Add(childElement);
}
else
{
// different source prefab, delete this one
toDeleteObjectList.Add(child.gameObject);
}
}
else if (UnityEditor.PrefabUtility.IsAnyPrefabInstanceRoot(child.gameObject))
{
// find the first prefab
GameObject prefab = UnityEditor.PrefabUtility.GetCorrespondingObjectFromSource(child.gameObject);
m_elementPrefab = prefab.GetComponent <TempListElementUI>();
m_actualUsedComponents.Add(childElement);
hasPrefab = true;
}
}
for (int i = 0; i < toDeleteObjectList.Count; i++)
{
if (Application.isPlaying)
{
GameObject.Destroy(toDeleteObjectList[i]);
}
else
{
GameObject.DestroyImmediate(toDeleteObjectList[i]);
}
}
}
public void RemoveAt(int index)
{
if (index < 0 || index >= m_actualUsedComponents.Count)
{
Debug.LogError($"{index} is invalid for SimpleListView", this.gameObject);
return;
}
TempListElementUI toRemove = m_actualUsedComponents[index];
m_actualUsedComponents.RemoveAt(index);
InternalRemove(toRemove);
}
private void EditorTimeAdd()
{
if (Application.isPlaying)
{
return;
}
if (m_elementPrefab == null)
{
Debug.LogError("listview is missing element prefab");
return;
}
TempListElementUI spawnObject = (TempListElementUI)UnityEditor.PrefabUtility.InstantiatePrefab(m_elementPrefab, Container);
m_actualUsedComponents.Add(spawnObject);
}
public void InnerSwap(int indexA, int indexB)
{
if (indexA < 0 || indexA > m_actualUsedComponents.Count - 1 || indexB < 0 || indexB > m_actualUsedComponents.Count - 1)
{
return;
}
TempListElementUI temp = m_actualUsedComponents[indexA];
int transformIndexA = temp.ElementRectTransform.GetSiblingIndex();
int transformIndexB = m_actualUsedComponents[indexB].ElementRectTransform.GetSiblingIndex();
m_actualUsedComponents[indexA] = m_actualUsedComponents[indexB];
m_actualUsedComponents[indexB] = temp;
m_actualUsedComponents[indexA].ElementRectTransform.SetSiblingIndex(transformIndexA);
m_actualUsedComponents[indexB].ElementRectTransform.SetSiblingIndex(transformIndexB);
}
protected virtual void InternalRemove(TempListElementUI element)
{
if (element == null)
{
return;
}
element.Hide();
if (Application.isEditor && !Application.isPlaying)
{
GameObject.DestroyImmediate(element.ElementRectTransform.gameObject);
}
else
{
GameObject.Destroy(element.ElementRectTransform.gameObject);
}
}
