Vector3 GetLastPosition()
{
Transform temp = mChildren[mChildren.Count - 1].transform;
PTPUIDragScrollViewLoop item = mChildren[mChildren.Count - 1].GetComponent <PTPUIDragScrollViewLoop>();
Vector3 tempVec3 = temp.localPosition;
if (reverseArrangement)
{
tempVec3.x -= (item.bounds.size.x * 0.5f);
tempVec3.y += (item.bounds.size.y * 0.5f);
}
else
{
tempVec3.x += (item.bounds.size.x * 0.5f);
tempVec3.y -= (item.bounds.size.y * 0.5f);
}
tempVec3.x += item.bounds.center.x;
tempVec3.y += item.bounds.center.y;
return(tempVec3);
}
private IEnumerator StepBack()
{
if (mTopIndex <= 0) // list top
{
//print( "List top" );
yield break;
}
Vector3 topPos = GetTopPosition();
mTopIndex--;
//print( "Top Index = " + mTopIndex );
GameObject obj = mChildren[mChildren.Count - 1];
mChildren.Remove(obj);
mChildren.Insert(0, obj);
obj.SendMessage("SetupListItem", mTopIndex);
PTPUIDragScrollViewLoop item = obj.GetComponent <PTPUIDragScrollViewLoop>();
item.updateLocked = true;
// Wait for next frame
if (delayedUpdate)
{
yield return(new WaitForEndOfFrame());
yield return(new WaitForEndOfFrame());
}
// Following code will be executed in the next frame
item.updateLocked = false;
item.UpdateBounds();
Vector3 pos = new Vector3(0.0f, 0.0f, 0.0f);
if (reverseArrangement)
{
if (arrangement == Arrangement.Horizontal)
{
pos.x = topPos.x + (padding + (item.bounds.size.x * 0.5f)) - item.bounds.center.x;
}
else
{
pos.y = topPos.y - (padding + (item.bounds.size.y * 0.5f)) - item.bounds.center.y;
}
}
else
{
if (arrangement == Arrangement.Horizontal)
{
pos.x = topPos.x - (padding + (item.bounds.size.x * 0.5f)) - item.bounds.center.x;
}
else
{
pos.y = topPos.y + (padding + (item.bounds.size.y * 0.5f)) - item.bounds.center.y;
}
}
obj.transform.localPosition = pos;
//ScrollView.RecalculateBounds();
UpdateMargin();
}
private IEnumerator InitDelayed()
{
List <GameObject> children = new List <GameObject>();
for (int index = 1; index < mKeepNum; ++index)
{
GameObject obj = (GameObject)Instantiate(listItemPrefab);
obj.AddComponent <PTPUIDragScrollViewLoop>();
if (bDragDrop)
{
obj.AddComponent <UIDragDropItem>();
obj.AddComponent <UIDragDropItem>().cloneOnDrag = true;
}
obj.transform.parent = gameObject.transform;
obj.transform.localScale = new Vector3(1.0f, 1.0f, 1.0f);
// obj.GetComponent< ScrollViewItemBase >().Id = IdCounter++;
PTPUIDragScrollViewLoop item = obj.GetComponent <PTPUIDragScrollViewLoop>();
item.InitGrid(this);
obj.SendMessage("SetupListItem", index);
children.Add(obj);
}
// Wait for next frame
if (delayedUpdate)
{
yield return(new WaitForEndOfFrame());
yield return(new WaitForEndOfFrame());
}
// Following code will be executed in the next frame
// mChildren[0].transform.localPosition = itemFirstPos;
mChildren[0].GetComponent <PTPUIDragScrollViewLoop>().UpdateBounds();
while (children.Count > 0)
{
Vector3 lastPos = GetLastPosition();
GameObject obj = children[0];
children.RemoveAt(0);
PTPUIDragScrollViewLoop item = obj.GetComponent <PTPUIDragScrollViewLoop>();
item.UpdateBounds();
Vector3 pos = new Vector3(0.0f, 0.0f, 0.0f);
if (reverseArrangement)
{
if (arrangement == Arrangement.Horizontal)
{
pos.x = lastPos.x - padding - (item.bounds.size.x * 0.5f) - item.bounds.center.x;
}
else
{
pos.y = lastPos.y + padding + (item.bounds.size.y * 0.5f) - item.bounds.center.y;
}
}
else
{
if (arrangement == Arrangement.Horizontal)
{
pos.x = lastPos.x + padding + (item.bounds.size.x * 0.5f) - item.bounds.center.x;
}
else
{
pos.y = lastPos.y - padding - (item.bounds.size.y * 0.5f) - item.bounds.center.y;
}
}
obj.transform.localPosition = pos;
//print( "pos " + pos.ToString() );
mChildren.Add(obj);
}
UpdateMargin();
// Wait for next frame
yield return(new WaitForEndOfFrame());
yield return(new WaitForEndOfFrame());
// Reset scroll position instead of calling ResetPosition()
if (reverseArrangement)
{
mDrag.SetDragAmount(1.0f, 1.0f, false);
mDrag.SetDragAmount(1.0f, 1.0f, true);
}
else
{
mDrag.SetDragAmount(0.0f, 0.0f, false);
mDrag.SetDragAmount(0.0f, 0.0f, true);
}
}
void Init(int itemNum)
{
mInitDone = true;
mPanel = NGUITools.FindInParents <UIPanel>(gameObject);
mDrag = NGUITools.FindInParents <UIScrollView>(gameObject);
mTopIndex = 0;
mDrag.transform.localPosition = new Vector3(0.0f, 0.0f, 0.0f);
mDrag.panel.clipOffset = new Vector3(0.0f, 0.0f, 0.0f);
mAllItemNum = itemNum;
if (listItemPrefab != null)
{
GameObject firstOne = (GameObject)Instantiate(listItemPrefab);
firstOne.transform.parent = gameObject.transform;
firstOne.AddComponent <PTPUIDragScrollViewLoop>();
if (bDragDrop)
{
firstOne.AddComponent <UIDragDropItem>();
firstOne.AddComponent <UIDragDropItem>().cloneOnDrag = true;
}
// firstOne.GetComponent< ScrollViewItemBase >().Id = IdCounter++;
firstOne.transform.localScale = new Vector3(1.0f, 1.0f, 1.0f);
firstOne.transform.localPosition = itemFirstPos; // new Vector3( -1000.0f, -1000.0f, 0.0f );
//print( "first one = " + firstOne.transform.localPosition.ToString() );
mChildren.Add(firstOne);
PTPUIDragScrollViewLoop item = firstOne.GetComponent <PTPUIDragScrollViewLoop>();
item.InitGrid(this);
//firstOne.SendMessage( "SetItemNum" );
int firstIndex = 0;
firstOne.SendMessage("SetupListItem", firstIndex);
item.UpdateBounds();
// cellWidth = (item.bounds.size.x + padding);
// cellHeight = (item.bounds.size.y + padding);
if (arrangement == Arrangement.Horizontal)
{
mKeepNum = (int)(mPanel.finalClipRegion.z / (item.bounds.size.x + padding) + margin);
//mMarginSpace = item.bounds.size.x * margin * 0.5f;
}
else
{
mKeepNum = (int)(mPanel.finalClipRegion.w / (item.bounds.size.y + padding) + margin);
//mMarginSpace = item.bounds.size.y * margin * 0.5f;
}
//mAllItemNum = 5;
if (mKeepNum > mAllItemNum)
{
mKeepNum = mAllItemNum;
}
}
else
{
//error
print("I need prefab!");
return;
}
/*
* for( int index = 1; index < mKeepNum; ++index )
* {
* Vector3 lastPos = GetLastPosition();
*
* GameObject obj = (GameObject)Instantiate( listItemPrefab );
* obj.transform.parent = gameObject.transform;
*
* obj.transform.localScale = new Vector3( 1.0f, 1.0f, 1.0f );
*
* LS4UIDragScrollViewLoop item = obj.GetComponent<LS4UIDragScrollViewLoop>();
* item.InitGrid( this );
*
* obj.SendMessage( "SetupListItem", index );
*
* item.UpdateBounds();
*
* Vector3 pos = new Vector3( 0.0f, 0.0f, 0.0f );
* if( reverseArrangement )
* {
* if( arrangement == Arrangement.Horizontal )
* {
* pos.x = lastPos.x - padding - (item.bounds.size.x * 0.5f) - item.bounds.center.x;
* }
* else
* {
* pos.y = lastPos.y + padding + (item.bounds.size.y * 0.5f) - item.bounds.center.y;
* }
* }
* else
* {
* if( arrangement == Arrangement.Horizontal )
* {
* pos.x = lastPos.x + padding + (item.bounds.size.x * 0.5f) - item.bounds.center.x;
* }
* else
* {
* pos.y = lastPos.y - padding - (item.bounds.size.y * 0.5f) - item.bounds.center.y;
* }
* }
* obj.transform.localPosition = pos;
*
* mChildren.Add( obj );
* }
*
* UpdateMargin();
*
* if( reverseArrangement )
* {
* mDrag.SetDragAmount( 1.0f, 1.0f, false );
* mDrag.SetDragAmount( 1.0f, 1.0f, true );
* }
* else
* {
* mDrag.SetDragAmount( 0.0f, 0.0f, false );
* mDrag.SetDragAmount( 0.0f, 0.0f, true );
* }
*/
StartCoroutine(InitDelayed());
}
