UIUtil = {}

--單行居中，多行靠左對其
function UIUtil.FitLabelLine(label)
	if(label~=nil) then
		local height = label.height
		local size = label.fontSize
		local line = math.floor(height/size)
		if(line>1) then
			label.pivot = UIWidget.Pivot.Left
		else
			label.pivot = UIWidget.Pivot.Center
		end
	end
end

function UIUtil.CenterLabelLine(label)
	if(label~=nil) then		
		label.pivot = UIWidget.Pivot.Center		
	end
end

-- 單行自適應 多行高適應
function UIUtil.FitLabelHeight(label, width)
	if(label~=nil) then
		-- local outStr = "";
		local labelText = label.text;
		label.overflowMethod = 3; --UILabel.Overflow.ResizeHeight;
		label.width = width;
		label.text = "";

		local bWarp, strOut, line;
		if( string.find(labelText,"[\n]") )then
			line = 2;
		else
			line = 1;
		end
		bWarp, strOut = label:Wrap (labelText, strOut, label.height * line);

		if(bWarp and strOut~="")then
			label.overflowMethod = 2; --UILabel.Overflow.ResizeFreely;
		end
		label.text = labelText;
	end
end

function UIUtil.SceneCountDownMsg(id,params,removeWhenLoadScene)
	MsgManager.ShowMsgByIDTable(id,params,id)
	FloatingPanel.Instance:SetCountDownRemoveOnChangeScene(id,removeWhenLoadScene)
end

function UIUtil.StartSceenCountDown(text,data)
	FloatingPanel.Instance:AddCountDown(text,data)
end

function UIUtil.EndSceenCountDown(id)
	FloatingPanel.Instance:RemoveCountDown(id)
end

function UIUtil.FloatMiddleBottom(sortID,text)
	FloatingPanel.Instance:FloatMiddleBottom(sortID,text)
end

function UIUtil.ClearFloatMiddleBottom()
	FloatingPanel.Instance:ClearFloatMiddleBottom()
end

function UIUtil.FloatMsgByData(text)
	FloatingPanel.Instance:TryFloatMessageByData(text)
end

function UIUtil.FloatShowyMsg(text)
	FloatingPanel.Instance:FloatShowyMsg(text)
end

function UIUtil.FloatMsgByText(text)
	FloatingPanel.Instance:TryFloatMessageByText(text)
end

function UIUtil.ShowEightTypeMsgByData(data,startPos,offset)
	FloatingPanel.Instance:FloatTypeEightMsgByData(data,startPos,offset)
end

function UIUtil.StopEightTypeMsg()
	FloatingPanel.Instance:StopFloatTypeEightMsg()
end

function UIUtil.PopUpConfirmView(titleText,contentText,confirmtext,canceltext,confirm,cancel,src,needCloseBtn,needExitDefaultHandle,unique)
	if(needExitDefaultHandle==nil) then needExitDefaultHandle = true end
	local viewData = {
		viewname = "UniqueConfirmView", 
		title = titleText, 
		content = contentText,
		confirmtext = confirmtext,
		canceltext = canceltext,
		confirmHandler = confirm,
		cancelHandler = cancel,
		source = src,
		needCloseBtn = needCloseBtn,
		needExitDefaultHandle = needExitDefaultHandle,
		unique = unique,
	}
	GameFacade.Instance:sendNotification(UIEvent.ShowUI, viewData);
end

function UIUtil.PopUpDontAgainConfirmView(contentText,confirm,cancel,src,data)
	if(needExitDefaultHandle==nil) then needExitDefaultHandle = true end
	local viewData = {
		viewname = "DontShowAgainConfirmView",
		data = data,
		content = contentText,
		confirmHandler = confirm,
		cancelHandler = cancel,
		source = src,
	}
	GameFacade.Instance:sendNotification(UIEvent.ShowUI, viewData);
end

function UIUtil.PopUpConfirmYesNoView(title,content,confirmHandler,cancelHandler,source,confirmtext,canceltext,unique)
	UIUtil.PopUpConfirmView(title,content,confirmtext,canceltext,confirmHandler,cancelHandler,source,false,false,unique)
end

function UIUtil.PopUpFuncView(title,content,confirmHandler,cancelHandler,source,confirmtext,canceltext)
	UIUtil.PopUpConfirmView(title,content,confirmtext,canceltext,confirmHandler,cancelHandler,source,true,false)
end

function UIUtil.WarnPopup(titleText,contentText,confirm,cancel,src,confirmtext,canceltext)
	local data = {
		title = titleText, 
		content = contentText,
		confirmtext = confirmtext,
		canceltext = canceltext,
		confirmHandler = confirm,
		cancelHandler = cancel,
		source = src,
	}
	if(UIWarning.Instance~=nil) then
		UIWarning.Instance:AddWarnPopUp(data)
	end
end

function UIUtil.ShowScreenMask(fadeInTime,fadeOutTime,fadeInCallBack,fadeOutCallBack,color)
	color = color or ColorUtil.NGUIBlack
	local viewData = {
		viewname = "ScreenMaskView", 
		fadeInTime = fadeInTime,
		fadeOutTime = fadeOutTime,
		fadeInCallBack = fadeInCallBack,
		fadeOutCallBack = fadeOutCallBack,
		color = color,
	}
	GameFacade.Instance:sendNotification(UIEvent.ShowUI, viewData);
end

function UIUtil.RotateAround()
	
	GameFacade.Instance:sendNotification(UIEvent.ShowUI, viewData);
end

function UIUtil.CenterScrollViewPos(scrollView, worldPos, springStr)
	local mTrans = scrollView.transform;
	local panel = scrollView.panel;

	local cp = mTrans:InverseTransformPoint (worldPos);

	local corners = panel.worldCorners;
	local panelCenter = (corners[3] + corners[1]) * 0.5;
	local cc = mTrans:InverseTransformPoint (panelCenter);
	LuaGameObject.InverseTransformPointByVector3(mTrans, panelCenter);

	-- local panelSize = panel:GetViewSize ();
	-- local mBound = scrollView.bounds;
	-- local tempV3 = LuaVector3(mBound.size.x - panelSize.x, mBound.size.y - panelSize.y);
	-- local checkBound = Bounds(mBound.center, tempV3);
	-- if (not checkBound:Contains (cp)) then
	-- 	cp = checkBound:ClosestPoint (cp);
	-- end

	local localOffset = cp - cc;
	if(springStr)then
		SpringPanel.Begin(scrollView.gameObject, mTrans.localPosition - localOffset, springStr);
	else
		mTrans.localPosition = mTrans.localPosition - localOffset;
		local co = panel.clipOffset;
		panel.clipOffset = co + Vector2(localOffset.x, localOffset.y);
	end
	
end

function UIUtil.GetUIParticle(effectID, depth, parent)
	local containerResID = ResourcePathHelper.UICell("UIParticleHolder")
	local container = Game.AssetManager_UI:CreateAsset(containerResID, parent);
	local effectResID = ResourcePathHelper.EffectUI(effectID);
	local effect = Game.AssetManager_UI:CreateAsset(effectResID, container);
	local ctrl = container:GetComponent(ChangeRqByTex)
	ctrl.transform.localPosition = LuaVector3.zero;
	ctrl.depth = depth
	ctrl:AddChild(effect)
	return ctrl
end

function UIUtil.WrapLabel (uiLabel)
	local strContent = uiLabel.text;
	local bWarp, strOut;
	bWarp, strOut = uiLabel:Wrap(strContent, strOut, uiLabel.height);
	local length = StringUtil.getTextLen(strOut);

	if(not bWarp)then
		if (length > 2) then
			local repStr = "";
			local count = 0;
			local rep_bWrap, rep_strOut = false, strOut;
			repeat
				count = count + 1;
				repStr = StringUtil.getTextByIndex(rep_strOut, 1, length - count);
				repStr = repStr .. "...";

				rep_bWrap, rep_strOut = uiLabel:Wrap(repStr, rep_strOut, uiLabel.height);
			until(rep_bWrap)

			uiLabel.text = repStr;
		end
	end
end

function UIUtil.GetWrapLeftString (uiLabel, text)
	uiLabel.text = text;

	local bWarp, finalStr;
	bWarp, finalStr = uiLabel:Wrap(text, finalStr, uiLabel.height);
	if(not bWarp)then
		local finallen = StringUtil.getTextLen(finalStr);
		local textlen = StringUtil.getTextLen(text);
		if(finallen < textlen)then
			leftStr = StringUtil.getTextByIndex(text, finallen, textlen);
		else
			leftStr = "";
		end
	else
		leftStr = nil;
	end
	return bWarp, leftStr;
end

function UIUtil.ChangeLayer(go, layer)
	layer = layer or go.gameObject.layer;
	go.gameObject.layer = layer;
	local trans = go.gameObject.transform;
	for i=0, trans.childCount-1 do
		local transChild = trans:GetChild(i);
		transChild.gameObject.layer = layer;
		UIUtil.ChangeLayer(transChild.gameObject, layer);
	end
end

function UIUtil.GetAllComponentInChildren(go, type)
	local result = UIUtil.GetAllComponentsInChildren(go, type, true);
	return result[1];
end

function UIUtil.GetAllComponentsInChildren(go, type, containSelf)
	local comps = {};
	local sp = go:GetComponent(type);
	if(containSelf and sp)then
		table.insert(comps, sp);
	end
	local childCount = go.transform.childCount;
	for i=0,childCount-1 do
		local trans = go.transform:GetChild(i);
		local childComps = UIUtil.GetAllComponentsInChildren(trans.gameObject, type, true);
		for i=1, #childComps do
			table.insert(comps, childComps[i]);
		end
	end
	return comps;
end

function UIUtil.GetComponentInParents(go, type)
	if (go == nil) then
		return nil;
	end
	local comp;
	local t = go.transform.parent;
	while (t ~= nil and comp == nil) do
		comp = t.gameObject:GetComponent(type);
		t = t.parent;
	end
	return comp;
end

function UIUtil.LimitInputCharacter(input, limitNum, validFunc)
	local obj = input.gameObject;
	if (not GameObjectUtil.Instance:ObjectIsNULL(obj)) then
		local inputLimit = math.max(limitNum*5, 20); 
		input.characterLimit = inputLimit;
		
		local func = function (go, state)
			if(not state)then
				local str = input.value;
				if(type(validFunc) == "function")then
					str = validFunc(str);					
				end
				local length = StringUtil.ChLength(str);
				if(length > limitNum)then
					str = StringUtil.getTextByIndex(str, 1, limitNum);
				end
				input.value = str;
			end
		end
		UIEventListener.Get(obj).onSelect = {"+=", func}
	end
end

function UIUtil.PopupTipAchievement(achievement_conf_id)
	UIViewAchievementPopupTip.Instance:ShowAchievementPopupTip(achievement_conf_id)
end

function UIUtil.isClickLeftScreenArea()
	local tempVector3 = LuaVector3.zero;
	local uiCamera = NGUIUtil:GetCameraByLayername("UI");
	if not uiCamera then
		return true
	end
	if(Input.touchCount > 1)then
		for i=1,Input.touchCount do
			local single = Input.GetTouch(i-1)
			if(single.phase == TouchPhase.Ended)then
				local x,y = LuaGameObject.GetTouchPosition(i-1,false)
				tempVector3:Set(x,y,0)
				break
			end
		end
	else
		local x,y,z = LuaGameObject.GetMousePosition()
		tempVector3:Set(x,y,z)
	end
	local x,y,z = LuaGameObject.ScreenToWorldPointByVector3(uiCamera,tempVector3);
	return x<=0
end

-- find child which name is @name
function UIUtil.FindGO(name, parent)
	return parent ~= nil and GameObjectUtil.Instance:DeepFind(parent, name) or nil;
end

function UIUtil.FindComponent(name, comp, parent)
	local go = UIUtil.FindGO(name, parent)
	return go ~= nil and go:GetComponent(comp);
end

function UIUtil.FindAllComponents(parent, compType, containSelf)
	if(parent == nil)then
		return;
	end
	return GameObjectUtil.Instance:GetAllComponentsInChildren(parent, compType, containSelf) or {};
end

function UIUtil.AddClickEvent(obj,event)
	if(event == nil)then
		return;
	end
	UIEventListener.Get(obj).onClick = {"+=", event};
end

function UIUtil.RemoveClickEvent(obj,event)
	if(event == nil)then
		return;
	end
	UIEventListener.Get(obj).onClick = {"-=", event};
end