问题描述

我的问题可以分为三个:

My question can be split into three:

是否可以通过...隐藏/删除 Eclipse (3.6) 中的任意上下文菜单项...

Is it possible to hide/remove arbitrary context menu items in Eclipse (3.6) by ...

1. 标准用户界面?
2. 一些现有的插件?
3. 自定义插件?

我没能通过方法 1 和 2 找到方法.如果唯一的选择是创建自定义插件，任何人都可以将我推向正确的开始方向(我在 Java 方面有一些经验，但在Eclipse 插件).

I failed to find ways to do this by methods 1 and 2. If the only option is creating custom plug-in, could anyone push me towards the right direction where to start (I have some experience in Java, but not in Eclipse plug-ins).

推荐答案

您可以通过标准 GUI 隐藏菜单或菜单条目:查看帮助

You can hide menus or menu entries through the standard GUI: see help

隐藏菜单项或工具栏按钮:

To hide a menu item or toolbar button:

• 切换到您要配置的视角.
• 选择窗口>自定义透视图......
• 打开菜单可见性"或工具栏可见性"选项卡.
• 找到您要隐藏的项目.
• 取消选中项目旁边的复选框.取消选中菜单以隐藏其所有子项.
• 单击确定"使更改生效.

但这会将这个条目从 所有它所在的菜单(上下文或非上下文)中隐藏.
因此，它可能不像您希望通过 GUI 那样细粒度.

But that will hide this entry from all the menus (contextual or not) in which it is present.
So it may not be as fine-grained as you want through the GUI.

您也可以通过插件(参见还有菜单贡献)

第一步是在 Eclipse 中使用扩展的标准步骤.

The first steps are pretty standard for using extensions in Eclipse.

• 打开 plugin.xml 文件并添加 org.eclipse.ui.activities 扩展.
• 然后创建一个活动节点并给它一个唯一的 ID.
• 然后创建一个 activityPatternBinding 节点，并使用 Activity 的唯一 ID 找到该 Activity 节点的模式节点.
  activityPatternBinding 节点要求您为要隐藏的 UI 元素的 ID 字符串提供正则表达式.

• Open the plugin.xml file and add the org.eclipse.ui.activities extension.
• Then create an activity node and give it a unique ID.
• Then create an activityPatternBinding node and use the unique ID for the activity to find the pattern node to the activity node.
  The activityPatternBinding node requires that you supply a regular expression for the ID string of the UI element that you wish to hide.

问题在于似乎至少有 3 种方式可以将菜单项和工具栏按钮添加到 UI.

The problem is that there appears to be at least 3 ways that menu items and toolbar buttons are added to the UI.

• 第一种方法是通过较新的命令/菜单扩展.
• 第二种方法是通过旧的 ActionSets 扩展.
• 还有其他 UI 元素似乎是硬编码到 Workbench 中的，没有 ID 字符串，无法使用活动扩展隐藏.幸运的是，这种第三种类型的 UI 元素很少.

考虑到你说的是最新的Eclipse，我只复制第一种方式:

Considering you are talking about the latest Eclipse, I will copy only the first way:

第一种方法是使用 Plug-In Spy.
按 alt-shift-F2 并单击要隐藏的菜单项或工具栏按钮.
如果标题活动操作定义标识符"下有一个 ID 字符串，那么您很幸运.
此项目已使用命令扩展添加，您可以将此 ID 用作活动扩展的模式参数.
但并非所有使用命令扩展添加的项目都将其 ID 字符串呈现给插件间谍.

1/ Use the Plug-In Spy

The first way is to use the Plug-In Spy.
Press alt-shift-F2 and click on a menu item or toolbar button that you want to be hidden.
If there is an ID string under the heading "active action definition identifier" then you are in luck.
This item has been added using the Command Extension and you can use this ID as the pattern argument for the Activities Extension.
But not all items that have been added using the Command Extension present their ID string to the plug-in spy.

附带说明，ID 字符串以句点分隔.
例如，按钮的 ID 可能是org.eclipse.ui.navigate.backwardHistory".
正则表达式使用句点代表任何字符.幸运的是，用作通配符的句点与实际句点字符匹配，因此如果您不想转义它们，则无需转义.我发现如果它们没有被转义，它会更容易阅读，而且它不太可能导致任何模棱两可的匹配.

As a side note, the ID strings are period separated.
For instance the ID for a button might be "org.eclipse.ui.navigate.backwardHistory".
Regular expressions use the period to stand for any character. Luckily the period used as a wild card matches with actual period characters so you don't need to escape them if you don't want to. I find it makes it a bit easier to read if they are not escaped and it is highly unlikely it will cause any ambiguous matches.

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