2024-12-14 18:27:59 +08:00

107 lines
3.8 KiB
C#

/****************************************************************************
* Copyright (c) 2018.8 liangxie
*
* http://qframework.io
* https://github.com/liangxiegame/QFramework
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
****************************************************************************/
namespace QFramework
{
using UnityEngine;
using System.Collections.Generic;
using UnityEngine.UI;
public class UIScrollPageMark : MonoBehaviour
{
public UIScrollPage scrollPage;
public ToggleGroup toggleGroup;
public Toggle togglePrefab;
[Tooltip("页签中心位置")]
public UnityEngine.Vector2 centerPos;
[Tooltip("每个页签之间的间距")]
public UnityEngine.Vector2 interval;
public List<Toggle> toggleList = new List<Toggle>();
void Awake()
{
AdjustTogglePos();
scrollPage.AddPageChangeListener(OnScrollPageChanged);
}
public void OnScrollPageChanged(int pageCount, int currentPageIndex)
{
if (pageCount != toggleList.Count)
{
if (pageCount > toggleList.Count)
{
int cc = pageCount - toggleList.Count;
for (int i = 0; i < cc; i++)
{
toggleList.Add(CreateToggle(i));
}
}
else if (pageCount < toggleList.Count)
{
while (toggleList.Count > pageCount)
{
Toggle t = toggleList[toggleList.Count - 1];
toggleList.Remove(t);
DestroyImmediate(t.gameObject);
}
}
AdjustTogglePos();
}
toggleGroup.gameObject.SetActive(pageCount > 1);
if (currentPageIndex >= 0)
{
for (int i = 0; i < toggleList.Count; i++)
{
if (i == currentPageIndex) toggleList[i].isOn = true;
else toggleList[i].isOn = false;
}
}
}
Toggle CreateToggle(int i)
{
Toggle t = GameObject.Instantiate<Toggle>(togglePrefab);
t.gameObject.SetActive(true);
t.transform.SetParent(toggleGroup.transform);
t.transform.localScale = Vector3.one;
t.transform.localPosition = Vector3.zero;
return t;
}
void AdjustTogglePos()
{
UnityEngine.Vector2 startPos = centerPos - 0.5f * (toggleList.Count - 1) * interval;
for (int i = 0; i < toggleList.Count; i++)
{
toggleList[i].GetComponent<RectTransform>().anchoredPosition = startPos + i * interval;
}
}
}
}