This tweak extends story.chooseTemplateForTiddler() so that
whenever a tiddler is marked with a specific tag value, it can be viewed and/or edited using alternatives to the standard tiddler templates. Documentation
see TaggedTemplateTweakInfo
Revisions
2009.01.06 [1.5.1] reversed logic so that title-as-prefix takes precedence over tag-matched prefix
2008.12.18 [1.5.0] added handling for using tiddler title as prefix (e.g., SomeTiddlerViewTemplate)
2007.06.11 [1.0.0] initial release
Code
version.extensions.TaggedTemplateTweak= {major: 1, minor: 5, revision: 1, date: new Date(2009,1,6)};
Story.prototype.taggedTemplate_chooseTemplateForTiddler = Story.prototype.chooseTemplateForTiddler
Story.prototype.chooseTemplateForTiddler = function(title,template)
{
// get default template from core
var coreTemplate=this.taggedTemplate_chooseTemplateForTiddler.apply(this,arguments);
// if the tiddler doesn't exist yet, return core result
var tiddler=store.getTiddler(title); if (!tiddler) return coreTemplate;
// split core template into theme prefix and template name
var theme="";
var template=coreTemplate;
var parts=template.split(config.textPrimitives.sectionSeparator);
if (parts[1]) { theme=parts[0]; template=parts[1]; }
else theme=config.options.txtTheme||""; // fallback if theme is not specified
theme+=config.textPrimitives.sectionSeparator;
// look for template whose prefix matches the *title* of this tiddler
if (!store.getTaggedTiddlers(title).length) { // if tiddler is not a tag
if (store.getTiddlerText(theme+title+template)) { return theme+title+template; } // theme##TitleTemplate
if (store.getTiddlerText(title+template)) { return title+template; } // TitleTemplate
}
// look for template whose prefix matches a *tag* on this tiddler (if any)
for (i=0; i<tiddler.tags.length; i++) {
var t=tiddler.tags[i]+template; // add tag prefix to template
var c=t.substr(0,1).toUpperCase()+t.substr(1); // capitalized for WikiWord title
if (store.getTiddlerText(theme+t)) { return theme+t; } // theme##tagTemplate
if (store.getTiddlerText(theme+c)) { return theme+c; } // theme##TagTemplate
if (store.getTiddlerText(t)) { return t; } // tagTemplate
if (store.getTiddlerText(c)) { return c; } // TagTemplate
}
// no matching tag OR title prefix... return core result
return coreTemplate;
}