angular-ui/ui-grid

navigator does not behave the same when navigating left to right and right to left.

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#4,368 建立於 2015年9月15日

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help wantedneeds: analysis

描述

Hi,

I'm having issue with scrollTo. There are a set of columns I would like to see in the view for a particular jump. See plunker http://plnkr.co/edit/YJAu6irPzKgUURzsf1ju?p=preview. For example, for jump to col10, I want to see 10, 11, 12, 13. This works fine when I jump from higher column number like from 28 back to 10. Col 10 got anchor to the left side. However, when I jump from lower column number like from 1, only col 10 comes into the view and the other columns do not come into the view. Also col10 is anchor to the right side.

I think the jump should behave the same (anchor to the left unless not enough column left to anchor to the left) regardless of where user is scrolling from.

貢獻者指南

技術棧
javascriptangularcsshtml
領域
frontend
議題類型
bug
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
1-3 hours
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
grid scrolling conceptsfamiliarity with ui grid codebase
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
65
研究方向
Investigate the scrollTo function in the ui grid source code, particularly how it determines the anchor side when scrolling left to right vs right to left. The expected behavior is to consistently anchor to the left unless there are not enough columns. Refer to the plunker example for reproduction. Ensure the fix considers the direction of navigation.