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56 changes: 1 addition & 55 deletions
56
bannerview/src/main/java/com/zhpan/bannerview/utils/PositionUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,62 +1,8 @@ | ||
| package com.zhpan.bannerview.utils; | ||
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| import com.zhpan.bannerview.constants.PageStyle; | ||
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| public class PositionUtils { | ||
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| public static int toUnrealPosition(boolean isCanLoop, int position, int pageSize, int pageStyle) { | ||
| if (isCanLoop) { | ||
| if (pageStyle == PageStyle.NORMAL) { | ||
| return (position < pageSize) ? (++position) : pageSize; | ||
| } else { | ||
| return (position < pageSize) ? position + 2 : pageSize + 1; | ||
| } | ||
| } else { | ||
| return position; | ||
| } | ||
| } | ||
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| public static int getRealPosition(boolean isCanLoop, int position, int pageSize) { | ||
| int realPosition; | ||
| if (pageSize <= 0) | ||
| return 0; | ||
| if (isCanLoop) { | ||
| realPosition = (position - 1 + pageSize) % pageSize; | ||
| } else { | ||
| realPosition = (position + pageSize) % pageSize; | ||
| } | ||
| if (realPosition < 0) | ||
| realPosition += pageSize; | ||
| return realPosition; | ||
| return isCanLoop ? (position - 1 + pageSize) % pageSize : (position + pageSize) % pageSize; | ||
| } | ||
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| public static int getRealPosition(boolean isCanLoop, int position, int pageSize, int pageStyle) { | ||
| if (isCanLoop) { | ||
| if (pageStyle == PageStyle.NORMAL) { | ||
| if (position == 0) { | ||
| return pageSize - 1; | ||
| } else if (position == pageSize + 1) { | ||
| return 0; | ||
| } else { | ||
| return --position; | ||
| } | ||
| } else { | ||
| if (position == 0) { | ||
| return pageSize == 1 ? 0 : pageSize - 2; | ||
| } else if (position == 1) { | ||
| return pageSize - 1; | ||
| } else if (position == pageSize + 3) { | ||
| return 1; | ||
| } else if (position == pageSize + 2) { | ||
| return 0; | ||
| } else { | ||
| return position - 2; | ||
| } | ||
| } | ||
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| } else { | ||
| return position; | ||
| } | ||
| } | ||
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| } |