如何在TreeTable的第二列中显示树线 [英] How to show tree lines in second column in a TreeTable

问题描述

我正在使用TreeTable(com.jidesoft.grid，请参见 TreeTable )以显示层次结构数据，该数据在第一列上使用特殊的单元格渲染器绘制+/-图标以及树线.因此，典型的视图如下所示:

I am using TreeTable (com.jidesoft.grid, see TreeTable) to display hierarchical data, which uses a special cell renderer on the first column to paint +/- icon as well as tree line. So, a typical View appears as following:

|   Column1  | Column2      |
-----------------------------
|+Item1      | Item4        |
| -Item2     | Item5        |
|   item3    | item6        |

我想要TreeTable的以下视图，第二列中带有+/-按钮和树线:

While I want the following view for my TreeTable, with +/- buttons and tree lines in second column:

|   Column1 | Column2       |
-----------------------------
|Item1      | +Item4        |
|Item2      |  -Item5       |
|item3      |    item6      |

我看过一个示例，知道这是可能的，但不知道如何实现.有什么建议吗?

I have seen an example and know this is possible, but don't know how to implement this. Any suggestions?

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