[英]Where is the connection between toolbar description and the code in Eclipse RCP?
I have added the button in the following way: 我按以下方式添加了按钮:
<extension
point="org.eclipse.ui.menus">
<menuContribution
locationURI="menu:org.eclipse.ui.main.menu">
<menu
label="File">
<command
commandId="org.eclipse.ui.file.exit"
label="Exit">
</command>
</menu>
</menuContribution>
<menuContribution
allPopups="false"
locationURI="toolbar:MYVIEWID">
<command
commandId="MYCOMMANDID"
icon="icons/1389818330_Run.png"
label="Run a bot"
style="push">
</command>
</menuContribution>
</extension>
In result, toolbar button appears on the view, but it is dimmed and does nothing. 结果,工具栏按钮出现在视图上,但它变暗并且什么都不做。
Where to set the code which will execute on this button press? 在哪里设置将在此按钮上执行的代码?
You use the org.eclipse.ui.handlers
extension point to define a handler for the command id. 您可以使用
org.eclipse.ui.handlers
扩展点为命令id定义处理程序。
<extension
point="org.eclipse.ui.handlers">
<handler
class="org.eclipse.ui.examples.contributions.handlers.GlobalMenuHandler"
commandId="org.eclipse.ui.examples.contributions.commands.globalCommand">
</handler>
</extension>
You must also use the org.eclipse.ui.commands
extension point to define the command id in the first place. 您还必须首先使用
org.eclipse.ui.commands
扩展点来定义命令ID。 You can specify a default handler in the command id definition: 您可以在命令ID定义中指定默认处理程序:
<extension
point="org.eclipse.ui.handlers">
<command
categoryId="org.eclipse.ui.examples.contributions.commands.category"
defaultHandler="org.eclipse.ui.examples.contributions.handlers.GlobalMenuHandler"
id="org.eclipse.ui.examples.contributions.commands.globalCommand"
name="%contributions.commands.globalCommand.name">
</command>
</extension>
(above examples are from the Eclipse help). (以上示例来自Eclipse帮助)。
There is also this tutorial on commands. 还有关于命令的本教程 。
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