You decide a recent change was a mistake and want to revert to a previous version.
Right-click an element and use the Local History menu, or right-click a file and use the items in the Replace With menu.
Because it maintains a local history, Eclipse enables you to undo recent changes without having to resort to selecting Edit Undo, which provides limited options. For example, if you've made some changes to a method that you want to undo, right-click the method's name in its declaration and select Local History Replace With Previous.
The context menu items for the JDT editor that enable you to restore from local history are as follows :
- Local History Replace With Previous
Replaces a file with the previous version.
- Local History Replace With
Replaces an element, such as a variable, field, or method, with its version from local history. This item shows the local history graphically before the change is made.
- Local History Restore From
Restores a Java element from local history. This item shows the available choices from local history graphically before the change is made.
For example, selecting Local History Replace With enables you to review the change before making it, as shown in Figure 4-13.
Figure 4-13. Replacing Java elements from local history
You also can revert an entire file to its previous version by right-clicking it in a view such as the Package Explorer and selecting one of the following menu items:
- Replace With Previous from Local History
Replaces the file with the previous version in local history
- Replace With Local History
Replaces the file with a version you select from local history
- Restore from Local History
Restores a file from local history
184.108.40.206 Eclipse 3.0
In Eclipse 3.0, you can restore a line of code to its original version. Right-click the Quick Diff bar, and select Revert Line.
4.7.4 See Also
Recipe 4.5 on comparing files; Recipe 4.6 on comparing files against local history.