Adding title bar menu items to WebCard cards
A URL is associated with a WebCard card of type Web at creation time but it may later be necessary to change or take action on the URL. For example, to correct a typo or visit the URL again if its web browser tab was closed since an earlier visit.
For such situations I added the items Visit URL and Edit URL to the title bar menu of Web cards. This is the menu:
The card holds the URL shown in the text area. Left-clicking on the title bar brings up the menu with the new items Visit URL and Edit URL at the top.
The NoteCards API function NCP.AddTitleBarMenuItemsToType adds items to the menu of a specified card type. It's easy to use but it wasn't clear to me what arguments the item callback functions are supposed to take. Some experimentation with throwaway code revealed the system passes only one argument to callbacks, a window.
To prepare for the new functionality I factored out the initialization of the Web card type into the function WCD.InitWebCard that also calls NCP.AddTitleBarMenuItemsToType.
Functions WCD.VisitURLMenuCmd and WCD.EditURLMenuCmd carry out the actual menu actions and are straightfoward. In addition to updating the URL property of the card, WCD.EditURLMenuCmd substitutes the new URL for the old in the text area.
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