> Often help is needed in the editTempate at the stage when a tiddler is being
> produced with specific tags from a custom newTiddler macro.
> A tiddler produced with a <<newTiddler tag:'foo'>> might need help specific
> for that class of tiddler.
> The 'context sensitive with fallback' is working well.
> Skye, asked "is it possible use tiddler.tags instead of tiddler.title in
> this code" : I think that it would be really useful.
Try this:
<span class='toolbar' macro='tiddler ShowPopup with:
{{
var helptitle="Help";
var title=story.findContainingTiddler(place).getAttribute
("tiddler");
var field=story.getTiddlerField(title,"tags");
if (field) {
var tags=field.value.readBracketedList();
for (var i=0; i<tags.length; i++)
if (store.tiddlerExists(tags[i]+"Help"))
helptitle=tags[i]+"Help";
}
helptitle;
}}
help "show help" button'></span>
Translation:
1) get the current tiddler's title. note: because a new tiddler is
being edited, no tiddler *object* exists yet, so we have to fetch the
*tentative* tiddler title from the tiddler editor's containing DOM
element.
2) get the tags for this new tiddler. Since no tiddler *object*
exists, we can't use 'tiddler.isTagged(...)' to test for tags, and
have to read the value from the tags input field. One problem: the
macro is using story.getTiddlerField(title,"tags"), which needs to
occur *after* the tags input field itself is rendered. To make this
work, the 'help' toolbar item would have to be displayed at the bottom
of the tiddler :-(...
3) loop over the tags to find a tiddler called 'sometagHelp'. If it
exists, use that title for the help content, otherwise, use the
default 'Help' tiddler.
This might not be a 100% solution (yet), but it should be close.
enjoy,
-e
Eric Shulman
TiddlyTools / ELS Design Studios
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