private void HandleDrop(Action <int, int, T> onReorder, Action <int, int, T> onBeforeReorder)
{
NeedRepaint = true;
LIInfo dragRect = Drag.Info;
dragRect.AnimateStep();
if (dragRect.IsAnimate)
{
return; //check if drop completed
}
int dragIdx = Drag.Idx;
int dropIdx = Drag.DropIdx;
if (onBeforeReorder != null)
{
onBeforeReorder(dragIdx, dropIdx, (T)Drag.Target);
}
CacheList.Remove((T)Drag.Target);
CacheList.Insert(dropIdx, (T)Drag.Target);
if (onReorder != null)
{
onReorder(dragIdx, dropIdx, (T)Drag.Target);
}
Drag.DropIdx = -1;
Drag.Target = null;
}
public void SetSelection(bool isSelected)
{
foreach (T item in CacheList)
{
LIInfo info = GetInfo(item);
info.Selected = isSelected;
}
}
public void SetSelection(bool isSelected)
{
for (var i = 0; i < CacheList.Count; i++)
{
LIInfo info = GetInfo(i, CacheList[i]);
info.Selected = isSelected;
}
}
public void InvertSelection()
{
foreach (T item in CacheList)
{
LIInfo info = GetInfo(item);
info.Selected = !info.Selected;
}
}
public void InvertSelection()
{
for (var i = 0; i < CacheList.Count; i++)
{
LIInfo info = GetInfo(i, CacheList[i]);
info.Selected = !info.Selected;
}
}
private int DrawCell(Func <Rect, T, int, int> onDrawCell, Rect r, T item, int i, int idx = -1)
{
if (item == null)
{
Debug.LogWarning("Item should not be null :: " + i);
}
LIInfo info = GetInfo(i, item);
if (item == Drag.Target && onDrawCell != null)
{
if (Theme.DraggingTex != null)
{
GUI.DrawTexture(r.h(info.CurrentRect.height), Theme.DraggingTex);
}
if (Theme.ShowIndex)
{
GUI.Label(r.dx(3).w(30f), (idx + 1) + ""); //.dy(3)
}
}
else
{
if (info.Selected == true)
{
if (Theme.SelectedTex != null)
{
GUI.DrawTexture(r.dl(1).dt(1), Theme.SelectedTex);
}
}
else if (idx % 2 == 0) //even
{
if (Theme.EvenBgTex != null)
{
GUI.DrawTexture(r, Theme.EvenBgTex);
}
}
else //odd
{
if (Theme.OddBgTex != null)
{
GUI.DrawTexture(r, Theme.OddBgTex);
}
}
}
if (onDrawCell != null)
{
var indexW = Theme.ShowIndex ? 20 : 0;
if (Theme.ShowIndex)
{
GUI.Label(r.dx(3).w(indexW), (idx + 1) + "", GuiX.miniLabelGrayStyle);//.dy(3)
}
return(onDrawCell(r.dl(indexW), item, idx));
}
return(-1);
}
private int DrawCell(Func <Rect, T, int, int> onDrawCell, Rect r, T item, int idx = -1)
{
LIInfo info = GetInfo(item);
if (item == Drag.Target && onDrawCell != null)
{
if (Theme.DraggingTex != null)
{
GUI.DrawTexture(r.h(info.CurrentRect.height), Theme.DraggingTex);
}
if (Theme.ShowIndex)
{
GUI.Label(r.dx(3).dy(3).w(30f), (idx + 1) + "");
}
}
else
{
if (info.Selected == true)
{
if (Theme.SelectedTex != null)
{
GUI.DrawTexture(r.dl(1).dt(1), Theme.SelectedTex);
}
}
else if (idx % 2 == 0) //even
{
if (Theme.EvenBgTex != null)
{
GUI.DrawTexture(r, Theme.EvenBgTex);
}
}
else //odd
{
if (Theme.OddBgTex != null)
{
GUI.DrawTexture(r, Theme.OddBgTex);
}
}
}
if (onDrawCell != null)
{
if (Theme.ShowIndex)
{
GUI.Label(r.dx(3).dy(3).w(30f), (idx + 1) + "");
}
return(onDrawCell(r.dl(Theme.ShowIndex ? 15 : 0), item, idx));
}
return(-1);
}
//---------------------------------------- PUBLIC APIs --------------------------------------------
public LIInfo GetInfo(int idx, T item)
{
if (item == null)
{
Debug.LogWarning("item should not be null");
return(null);
}
if (idx == -1) //works if items being different
{
idx = CacheList.IndexOf(item);
if (idx == -1)
{
return(null);
}
}
if (RectMap.ContainsKey(idx))
{
var li = RectMap[idx];
if (li.data == item)
{
return(li);
}
//invalid data found
RectMap.Remove(idx);
}
LIInfo <T> info = new LIInfo <T>
{
data = item,
Selected = Theme.Selectable ? (bool?)false : null,
CanDrag = Theme.Draggable,
CanDelete = Theme.ShowDelete
}; //.SetXY(GuiRect.x, GuiRect.y);.SetHeight(Theme.CellHeight);
//Debug.Log("NEW :: " + idx);
RectMap.Add(idx, info);
return(info);
}
//---------------------------------------- PUBLIC APIs --------------------------------------------
public LIInfo GetInfo(T item)
{
if (item == null)
{
Debug.LogWarning("item should not be null");
return(null);
}
if (RectMap.ContainsKey(item))
{
return(RectMap[item]);
}
LIInfo info = new LIInfo
{
Selected = Theme.Selectable ? (bool?)false : null,
CanDrag = Theme.Draggable,
CanDelete = Theme.ShowDelete
}; //.SetXY(GuiRect.x, GuiRect.y);.SetHeight(Theme.CellHeight);
RectMap.Add(item, info);
return(info);
}
/*public void CacheRect() {
* if (Id != null) {
* _c_idx = Id;
* _c_GuiRect = GuiRect;
* _c_ScrollRect = ScrollRect;
* _c_ScrollPosition = ScrollPosition;
*
* var list = new List<int>();
* for (var i = 0; i < CacheList.Count; i++) {
* var info = GetInfo(CacheList[i]);
* if (info.Selected == true) list.Add(i);
* }
*
* _c_SelectedIndexes = list.ToArray();
* }
* }*/
private void HandleDrag()
{
NeedRepaint = true;
if (Event.current.type == EventType.mouseDrag) //only update when mouse drag
{
LIInfo dragAnim = Drag.Info;
var ch = GuiRect.y;
var dropIdx = -1;
var lastCheck = false;
var cnt = 0;
var localMouse = Event.current.mousePosition;
foreach (T item in CacheList)
{
var info = GetInfo(item);
if (item == Drag.Target)
{
continue;
}
var checkRect = info.CurrentRect.y(ch);
var check = checkRect.Contains(localMouse);
if (lastCheck && !check)
{
dropIdx = cnt - 1;
}
lastCheck = check;
info.TweenY(ch);
ch += info.CurrentRect.height;
cnt++;
}
GuiRect.height = ch + dragAnim.CurrentRect.height - GuiRect.y;
if (dropIdx == -1)
{
dropIdx = CacheList.Count - (lastCheck ? 2 : 1);
}
Drag.DropIdx = dropIdx;
cnt = 0;
foreach (T t in CacheList)
{
if (t == Drag.Target)
{
continue;
}
if (cnt >= dropIdx)
{
GetInfo(t).TweenDY(dragAnim.CurrentRect.height);
//Debug.Log(i + "===>" + cnt + "--->");
}
cnt++;
}
}
//stop drag if mouse out or up
if (Drag.IsDragging && ScrollRect.height > 0 && !ScrollRect.Contains(MousePos))
{
//Debug.Log("Stop Drag at : " + MousePos + ":" + GuiRect + ":" + ScrollRect);
StopDrag(false);
}
if (Event.current.type == EventType.MouseUp)
{
StopDrag(true);
}
}
internal void Draw(Func <Rect, T, int, int> onDrawCell,
Action <int, int, T> onReorder = null,
Action <T, int> OnRightClick = null,
Action <int, int, T> onBeforeReorder = null,
Rect?drawRect = null)
{
NeedRepaint = false;
const float scrollW = 16f;
var rect = drawRect ?? GetGUILayoutViewRect();
var hasScroll = (rect.height > 2f) && (GuiRect.height > rect.height);
var counter = 0;
var ch = 0f;
if (rect.width > 1f)
{
rect = rect.xAdd(Theme.RectOffset);
GuiRect.x = rect.x;
GuiRect.y = rect.y;
GuiRect.width = rect.width;
}
var x = GuiRect.x;
var y = GuiRect.y;
var w = GuiRect.width;
var h = GuiRect.height;
MousePos = Event.current.mousePosition;
if (hasScroll)
{
ScrollRect = GuiRect.h(rect.height);
ScrollPosition = GUI.BeginScrollView(ScrollRect, ScrollPosition, GuiRect.dw(-scrollW), false, true);
}
if (Drag.IsDropping)
{
HandleDrop(onReorder, onBeforeReorder);
}
else if (Drag.IsDragging)
{
HandleDrag();
}
if (CacheList == null)
{
return;
}
for (int i = 0; i < CacheList.Count; i++) //layout
{
T item = CacheList[i];
var info = GetInfo(item).SetWidth(w - (hasScroll ? scrollW : 0)).SetX(x);
var first = info.CurrentRect.height == 0;
if (first)
{
info.SetY(y); //.SetHeight(Theme.CellHeight);
}
info.AnimateStep();
if (!Drag.IsDragging)
{
if (Drag.IsDropping && counter == Drag.DropIdx)
{
if (item != Drag.Target)
{
LIInfo animx = Drag.Info;
animx.TweenY(y + ch);
ch += animx.CurrentRect.height;
}
}
if (item != Drag.Target)
{
if (Event.current.type == EventType.layout)
{
info.SetY(y + ch);
}
else
{
info.TweenY(y + ch);
}
}
}
if (item == Drag.Target)
{
continue;
}
int newH = DrawCell(i != Drag.DragIdx ? onDrawCell : null,
info.CurrentRect,
item,
(Drag.Target != null && counter >= Drag.DropIdx) ? counter + 1 : counter); //!(info.Selected==true)
if (newH > 0)
{
if (first)
{
info.SetHeight(newH);
}
else
{
info.TweenH(newH);
}
}
if (info.IsAnimate && !NeedRepaint)
{
NeedRepaint = true;
}
if (!Drag.IsDragging && !Drag.IsDropping)
{
if (info.CanDrag && info.CurrentRect.w(30f).h(20f).xLMB_isDown().noModifier)
{
StartDrag(i);
}
else if (info.Selected != null && info.CurrentRect.xLMB_isDown().noModifier)
{
info.Selected = !info.Selected;
}
if (OnRightClick != null && info.CurrentRect.xRMB_isDown().noModifier)
{
OnRightClick(item, i);
}
}
ch += info.CurrentRect.height;
counter++;
}
if (Drag.IsDragging)
{
ch += Drag.Info.CurrentRect.height;
}
if (ch != h && ch > 0)
{
GuiRect.height = ch;
NeedRepaint = true;
}
if (Drag.Target != null)
{
LIInfo dragRect = Drag.Info;
int newH = DrawCell(onDrawCell,
Drag.IsDragging ? MouseDragRect : dragRect.CurrentRect,
(T)Drag.Target,
Drag.DropIdx);
if (newH > 0)
{
dragRect.SetHeight(newH);
}
}
if (hasScroll)
{
GUI.EndScrollView();
}
}
/*public void CacheRect() {
* if (Id != null) {
* _c_idx = Id;
* _c_GuiRect = GuiRect;
* _c_ScrollRect = ScrollRect;
* _c_ScrollPosition = ScrollPosition;
*
* var list = new List<int>();
* for (var i = 0; i < CacheList.Count; i++) {
* var info = GetInfo(CacheList[i]);
* if (info.Selected == true) list.Add(i);
* }
*
* _c_SelectedIndexes = list.ToArray();
* }
* }*/
private void HandleDrag()
{
NeedRepaint = true;
//true ||
if (Event.current.type == EventType.mouseDrag) //only update when mouse drag
{
LIInfo dragAnim = Drag.Info;
var ch = GuiRect.y;
var dropIdx = -1;
var lastCheck = false;
var cnt = 0;
var localMouse = Event.current.mousePosition;
for (var i = 0; i < CacheList.Count; i++)
{
if (i == Drag.DragIdx)
{
continue;
}
var item = CacheList[i];
var info = GetInfo(i, item);
var checkRect = info.CurrentRect.y(ch);
var check = checkRect.Contains(localMouse);
if (lastCheck && !check)
{
dropIdx = cnt - 1;
}
lastCheck = check;
info.TweenY(ch);
ch += info.CurrentRect.height;
//Debug.Log(i + "--->" + cnt + ":" + ch + ":" + check + ":"+ info.CurrentRect.height + ":" + Drag.DragIdx + ":" + dropIdx);
//Debug.Log(i + "--->" + cnt + ":" + ch + ":" + Drag.DragIdx + ":" + dropIdx + "::::" + info.CurrentRect.height);
cnt++;
}
//Debug.Log("================================================" + ch + ":" + dropIdx + " " + Event.current);
GuiRect.height = ch + dragAnim.CurrentRect.height - GuiRect.y;
if (dropIdx == -1)
{
dropIdx = CacheList.Count - (lastCheck ? 2 : 1);
}
Drag.DropIdx = dropIdx;
cnt = 0;
for (var i = 0; i < CacheList.Count; i++)
{
if (i == Drag.DragIdx)
{
continue;
}
var t = CacheList[i];
if (cnt >= dropIdx)
{
GetInfo(i, t).TweenDY(dragAnim.CurrentRect.height);
//Debug.Log(i + "===>" + cnt + "--->" + GetInfo(i, t).CurrentRect);
}
cnt++;
}
}
//Fix for dragging the last position, ScrollRect's size does not contains the dragging one
var r2 = ScrollRect.dh(Drag.Info._cRect.height);
//stop drag if mouse out or up
if (Drag.IsDragging && ScrollRect.height > 0 && !r2.Contains(MousePos))
{
//Debug.Log("Stop Drag at : " + MousePos + ":" + GuiRect + ":" + r2);
StopDrag(false);
}
if (Event.current.type == EventType.MouseUp)
{
StopDrag(true);
}
}
internal void Draw(Func <Rect, T, int, int> onDrawCell,
Action <int, int, T> onReorder = null,
Action <T, int, vlbGUIList <T> > OnRightClick = null,
Action <int, int, T> onBeforeReorder = null,
Rect?drawRect = null)
{
NeedRepaint = false;
const float scrollW = 16f;
var rect = drawRect ?? (Theme.AllowScroll ? GuiX.FlexibleSpace() : GuiX.Height(GuiRect.height));
var hasScroll = (rect.height > 2f) && (GuiRect.height > rect.height);
var counter = 0;
var ch = 0f;
if (!Event.current.xIsLayout() && Event.current.xIsNotUsed()) //rect.width > 1f
{
rect = rect.xAdd(Theme.RectOffset);
GuiRect.x = rect.x;
GuiRect.y = rect.y;
GuiRect.width = rect.width;
MousePos = Event.current.mousePosition;
//Debug.Log(Event.current + ":" + GuiRect);
}
var x = GuiRect.x;
var y = GuiRect.y;
var w = GuiRect.width;
var h = GuiRect.height;
if (hasScroll)
{
ScrollRect = GuiRect.h(rect.height);
ScrollPosition = GUI.BeginScrollView(ScrollRect, ScrollPosition, GuiRect.dw(-scrollW), false, true);
}
//Debug.Log("----> " + x + ":" + y + ":" + w + ":" + h + ":" + Event.current + ":" + hasScroll);
//Debug.Log("--------------------------> " + Event.current);
if (Drag.IsDropping)
{
HandleDrop(onReorder, onBeforeReorder);
}
else if (Drag.IsDragging)
{
HandleDrag();
}
if (CacheList == null)
{
return;
}
for (int i = 0; i < CacheList.Count; i++) //layout
//var willLog = i < 5 && CacheList.Count == 12;
{
T item = CacheList[i];
var info = GetInfo(i, item).SetWidth(w - (hasScroll ? scrollW : 0)).SetX(x);
var first = info.CurrentRect.height == 0;
/*if (RectMap[CacheList[i]] == RectMap[CacheList[0]]) {
* Debug.Log("Invalid <" + i + ">" + string.IsNullOrEmpty((string)(object)item) + ":" + CacheList[0]);
* }*/
//Debug.Log(i + " CHECK :: " + CacheList[0] + ":" + (RectMap[CacheList[0]] == RectMap[CacheList[i]]));
//info._logChange = i == 0;
//if (i == 0) Debug.Log(item.GetHashCode() + " Before :: " + info.CurrentRect);
if (first)
{
info.SetY(y); //.SetHeight(Theme.CellHeight);
}
info.AnimateStep();
if (!Drag.IsDragging)
{
if (Drag.IsDropping && counter == Drag.DropIdx)
{
if (item != Drag.Target)
{
LIInfo animx = Drag.Info;
animx.TweenY(y + ch);
ch += animx.CurrentRect.height;
}
}
if (item != Drag.Target)
{
if (Event.current.type == EventType.layout)
{
info.SetY(y + ch);
}
else
{
info.TweenY(y + ch);
}
}
}
//if (i == 0) Debug.Log(item.GetHashCode() + " After :: " + info.CurrentRect);
if (item == Drag.Target)
{
continue;
}
//if (i == 0) Debug.Log("Before ::" + info.CurrentRect);
var newH = DrawCell(i != Drag.DragIdx ? onDrawCell : null,
info.CurrentRect,
item, i,
(Drag.Target != null && counter >= Drag.DropIdx) ? counter + 1 : counter); //!(info.Selected==true)
//if (i == 0) Debug.Log("After ::" + info.CurrentRect);
if (newH > 0)
{
if (first)
{
info.SetHeight(newH);
}
else
{
info.TweenH(newH);
}
}
if (info.IsAnimate && !NeedRepaint)
{
NeedRepaint = true;
}
if (!Drag.IsDragging && !Drag.IsDropping)
{
if (info.CanDrag && info.CurrentRect.w(Theme.DragWidth).h(20f).xLMB_isDown().noModifier)
{
StartDrag(i);
}
else if (info.Selected != null && info.CurrentRect.xLMB_isDown().noModifier)
{
info.Selected = !info.Selected;
}
if (OnRightClick != null && info.CurrentRect.xRMB_isDown().noModifier)
{
OnRightClick(item, i, this);
}
}
ch += info.CurrentRect.height;
counter++;
//if (willLog) Debug.Log(counter + ":" + ch + "::::" + info.CurrentRect);
//T item0 = CacheList[0];
//var info0 = GetInfo(item0);
//Debug.Log(i + " Last ---> " + info0.CurrentRect);
}
/*if (Drag.IsDragging) {
* //DEBUG
* GUI.DrawTexture(GuiRect, Color.yellow.xAlpha(0.2f).xGetTexture2D());
* GUI.DrawTexture(new Rect(MousePos.x, MousePos.y, 10, 10), Color.red.xAlpha(0.2f).xGetTexture2D());
* }*/
if (Drag.IsDragging)
{
ch += Drag.Info.CurrentRect.height;
}
if (ch != h && ch > 0)
{
GuiRect.height = ch;
NeedRepaint = true;
}
if (Drag.Target != null)
{
LIInfo dragRect = Drag.Info;
int newH = DrawCell(onDrawCell,
Drag.IsDragging ? MouseDragRect : dragRect.CurrentRect,
(T)Drag.Target, Drag.DragIdx,
Drag.DropIdx);
if (newH > 0)
{
dragRect.SetHeight(newH);
}
}
if (hasScroll)
{
GUI.EndScrollView();
}
}
