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| Re: How to create a Home button [message #1817508 is a reply to message #1817490] |
Mon, 25 November 2019 09:12   |
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Same answer as for your previous question: to activate an outline use desktop#activateOutline(outlineInstance). It's up to you to decide which of your outlines is the "default" outline.
The outline is basically a tree (AbstractOutline inherits from AbstractTree) and a page is simply a node in that tree.
Each page has a reference to its parent page, which is returned by AbstractPage#getParentPage().
You activate a page programmatically with outline#selectNode(pageInstance).
Eclipse Scout Homepage | Documentation | GitHub
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| Re: How to create a Home button [message #1819068 is a reply to message #1819051] |
Tue, 07 January 2020 08:14 |
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Ok, well that's a complex subject. Scout already handles some navigation history events: when you switch between outlines, you'll notice that the URL changes. When you click back/forward, Scout brings the correct outline to the front. You can do more if you want, but you must deal with all the state that exists on the UI server (and not only in the browser). Maybe you've noticed that all the state of your application is still there, when you hit Ctrl + R in your browser. That's because the state lives on the UI server. This also means, you cannot simply use the local browser history to navigate in a Scout application, you also need to bring the model on the UI server in the correct state, which is not easy to do when you think of modal dialogs, background tasks, and dozens of open forms in tabs.
Maybe you could implement DeepLinkHandlers for your cases: they bring the model in the correct state depending on information stored in the URL and they're already supported when you navigate the browser history. See this question on StackOverflow for more infos:
https://stackoverflow.com/questions/36409145/scout-eclipse-neon-different-url-for-for-different-pages
Eclipse Scout Homepage | Documentation | GitHub
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