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[Navigation] remove mct-before-unload

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Remove mct-before-unload, and move the functionality to the navigation
service.  The navigation service considers "unload" to be a navigation
event and prompts in much the same way as it would before any other
navigation event.

https://github.com/nasa/openmct/issues/1360
This commit is contained in:
Pete Richards
2016-12-20 15:10:07 -08:00
parent f2d61604f7
commit daa71c4f69
8 changed files with 20 additions and 282 deletions
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19
platform/commonUI/edit/README.md
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@@ -2,25 +2,6 @@ Contains sources and resources associated with Edit mode.
# Extensions
## Directives
This bundle introduces the `mct-before-unload` directive, primarily for
internal use (to prompt the user to confirm navigation away from unsaved
changes in Edit mode.)
The `mct-before-unload` directive is used as an attribute whose value is
an Angular expression that is evaluated when navigation changes (either
via browser-level changes, such as the refresh button, or changes to
the Angular route, which happens when hitting the back button in Edit
mode.) The result of this evaluation, when truthy, is shown in a browser
dialog to allow the user to confirm navigation. When falsy, no prompt is
shown, allowing these dialogs to be shown conditionally. (For instance, in
Edit mode, prompts are only shown if user-initiated changes have
occurred.)
This directive may be attached to any element; its behavior will be enforced
so long as that element remains within the DOM.
# Toolbars
Views may specify the contents of a toolbar through a `toolbar`