It is possible to use your favorite html editor ( for example, Notepad++ ) to edit the html source code of your UI component view or BSP application by simple configuration:
Just specify the absolute path of your local html source code editor ( .exe file ) in SE80 settings below:

使用note++开发SAP WebClient UI

Then in BSP_WD_CMPWB or SE80, use menu Edit->Start Local HTML Editor:

使用note++开发SAP WebClient UI

And then your local html editor is automatically opened with the given view source code loaded.

使用note++开发SAP WebClient UI

How is local html editor launched with source code

There is no magic behind the scene.
(1) Once Edit-local menu is selected, first the path of local editor exe file is retrieved:

使用note++开发SAP WebClient UI

(2) The source code of current html view is fetched and stored in internal table source:

使用note++开发SAP WebClient UI

(3) The source code of html view is downloaded and stored in a temporary file in your local machine:

使用note++开发SAP WebClient UI

(4) local editor is launched to open that temporary file generated in step 3, and that’s all.

使用note++开发SAP WebClient UI
使用note++开发SAP WebClient UI

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使用note++开发SAP WebClient UI

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