Thank you BTC,
Actually, I am trying to adopt these shortcuts in Tiddlyshow app! So, let
me try the revised code and I will return to you to share the result.
Cheers
Mohammad
On Tuesday, June 5, 2018 at 10:56:57 PM UTC+4:30, BurningTreeC wrote:
>
> Hi again BTC
>>
>> If I use Zoomin storyview is this the correct code for defining shortcuts
>> to navigate forward and backward through Tiddlers in story river
>>
>>
>> - Goto next tiddler in story view with ctrl-N
>>
>> <$navigator story="$:/StoryList" history="$:/HistoryList">
>> <$list filter="[all[current]next[$:/StoryList]]">
>> <$action-navigate $to=<<currentTiddler>> />
>> </$list>
>> </$navigator>
>> tagged with: $:/tags/KeyboardShortcut
>>
>> - Goto previous tiddler in story view with ctrl-P
>>
>> <$navigator story="$:/StoryList" history="$:/HistoryList">
>> <$list filter="[all[current]previous[$:/StoryList]]">
>> <$action-navigate $to=<<currentTiddler>> />
>> </$list>
>> </$navigator>
>> tagged with: $:/tags/KeyboardShortcut
>>
>> I have required tiddlers for description
>>
>>
>> - $:/config/ShortcutInfo/next-tiddler text: Next tiddler in
>> story river
>> - $:/config/ShortcutInfo/previous-tiddler text: Previous tiddler
>> in story river
>>
>>
> Hi Mohammad, there's a problem you need to work around: the currentTiddler
> is not the same outside of the story river as within the story river (the
> keyboard shortcuts are outside the story river)
> That's why [is[current]] in a keyboard shortcut will not match a tiddler
> in the story river.
>
> The currentTiddler in the story river is defined through the list widget
> in the $:/core/ui/PageTemplate/story Tiddler. You need a way to know
> outside of the story river which one is the currently viewed tiddler to
> make your idea work.
> The list widget in the story pagetemplate lists all tiddlers that are
> listed in the $:/StoryList tiddler's list field:
>
> <$list filter="[list[$:/StoryList]]" .../>
>
> If you start a presentation, you could set the text of a state tiddler ,
> say $:/state/presentation-tiddler, to the title of the first tiddler in the
> presentation
> When you go to the next Tiddler with your next button, you would set that
> state tiddler to the next title (previous title for the previous button).
> You would do the same in the keyboard shortcuts.
> Like that you should always have a reference which tiddler is shown.
>
> If you know the currently viewed tiddler you get the next from the
> $:/StoryList with this filter:
>
> <$list filter="[{$:/state/presentation-tiddler}next[$:/StoryList]]"
> variable="nextTiddler">
>
> the previous:
>
> <$list filter="[{$:/state/presentation-tiddler}previous[$:/StoryList]]"
> variable="previousTiddler">
>
> I would add a check if we're at the beginning or the end of the story list:
>
> <$list filter="[list[$:/StoryList]count[]]" variable="storyCount">
> <$list filter="[list[$:/StoryList]nth<storyCount>
> !title{$:/state/presentation-tiddler}]">
> <$list filter="[{$:/state/presentation-tiddler}next[$:/StoryList]]"
> variable="nextTiddler">
> <$action-setfield $tiddler="$:/state/presentation-tiddler"
> text=<<nextTiddler>>/>
> <$action-navigate $to=<<nextTiddler>>/>
> </$list>
> </$list>
> </$list>
>
> Don't hesitate to ask if the how or why is unclear
>
> BTC
>
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