tailieunhanh - Professional Eclipse 3 for Java Developers 2006 phần 8

Trong trang wizard thứ ba, bạn có thể chỉ định các tùy chọn bổ sung cho quan điểm mới. Tôi sẽ thảo luận về hành động trong phần hành động và xử lý sự kiện trong phần đầu tiên "Xử lý Sự kiện trong Workbench Eclipse.", Quan điểm mới là vô hình (nếu bạn đã không kiểm tra tùy chọn View để tài nguyên dưới góc nhìn). | Developing Your Own Eclipse-Based Products When the root node Eclipse Platform is selected you will see some additional functions listed on the right side of the window. By clicking the Revert to Previous hyperlink you can return to the state of the platform before you applied the last change to the configuration. If you have previously added features by simply unpacking them into the eclipse root folder the Process Detected Changes hyperlink appears. By clicking this hyperlink you can perform the missing installation steps for such a feature. Install Handlers The Eclipse Update Manager can be extended via so-called install handlers. These are Java classes that implement the interface IInstallHandler from the package usually they extend the standard implementation BaselnstallHandler . The methods of such a class are called at specific points of the installation or update process and can perform specific actions. You can predefine an install handler as a global install handler. This is done in the manifest file of a suitable plug-in at the extension point .installHandlers. Alternatively you can include an install handler in the installation archive. However in this case they can be used only within the current installation a local install handler . If you want to use an install handler during the installation of a feature you must declare it on the Advanced page of the feature manifest see the section Creating and Editing Features . There you specify in the Library field the name of the archive containing the install handler. In the Handler field you specify the name of the IlnstallHandler class. If you use a global instead of a local install handler the Library field remains empty and the Handler field specifies the identification under which the global install handler was installed. A typical application of install handlers is for the installation of resources outside the Eclipse platform for .