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mirror of https://github.com/Jermolene/TiddlyWiki5 synced 2024-11-06 18:16:18 +00:00
TiddlyWiki5/core/modules/macros/view.js
2012-06-19 16:56:55 +01:00

110 lines
2.6 KiB
JavaScript

/*\
title: $:/core/modules/macros/view.js
type: application/javascript
module-type: macro
View macro
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.info = {
name: "view",
dependentOnContextTiddler: true,
params: {
field: {byPos: 0, type: "text"},
format: {byPos: 1, type: "text"},
template: {byPos: 2, type: "text"}
}
};
exports.executeMacro = function() {
var tiddler = this.wiki.getTiddler(this.tiddlerTitle),
field = this.hasParameter("field") ? this.params.field : "title",
value,
children,
t,
childrenClone = [],
parents = this.parents;
if(tiddler) {
value = tiddler.fields[field];
} else {
switch(field) {
case "text":
value = "The tiddler '" + this.tiddlerTitle + "' does not exist";
break;
case "title":
value = this.tiddlerTitle;
break;
case "modified":
case "created":
value = new Date();
break;
default:
value = "Missing tiddler '" + this.tiddlerTitle + "'";
break;
}
}
switch(this.params.format) {
case "link":
if(value === undefined) {
return $tw.Tree.Text("");
} else {
var link = $tw.Tree.Macro("link",{
srcParams: {to: value},
content: [$tw.Tree.Text(value)],
isBlock: this.isBlock,
wiki: this.wiki
});
link.execute(parents,this.tiddlerTitle);
return link;
}
break;
case "wikified":
if(tiddler && this.params.field === "text") {
if(parents.indexOf(tiddler.fields.title) !== -1) {
children = [$tw.Tree.errorNode("Tiddler recursion error in <<view>> macro")];
} else {
children = this.wiki.parseTiddler(tiddler.fields.title).tree;
}
parents = parents.slice(0);
parents.push(tiddler.fields.title);
} else {
children = this.wiki.parseText("text/x-tiddlywiki",value).tree;
}
for(t=0; t<children.length; t++) {
childrenClone.push(children[t].clone());
}
for(t=0; t<childrenClone.length; t++) {
childrenClone[t].execute(parents,this.tiddlerTitle);
}
return $tw.Tree.Element(this.isBlock ? "div" : "span",{},childrenClone);
case "date":
var template = this.params.template || "DD MMM YYYY";
if(value === undefined) {
return $tw.Tree.Text("");
} else {
return $tw.Tree.Text($tw.utils.formatDateString(value,template));
}
break;
default: // "text"
// Get the stringified version of the field value
if(field !== "text" && tiddler) {
value = tiddler.getFieldString(field);
}
if(value === undefined || value === null) {
return $tw.Tree.Text("");
} else {
return $tw.Tree.Text(value);
}
}
return $tw.Tree.Text("");
};
})();