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Code Issues Releases Wiki Activity

Improving the handling of missing tiddlers

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On the way to being able to edit tiddlers
This commit is contained in:
Jeremy Ruston 2012-03-29 13:44:45 +01:00
parent cbb8ee3bb0
commit cd0f8ebb52
2 changed files with 72 additions and 48 deletions
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18
js/macros/tiddler.js
View File

@ -53,20 +53,24 @@ exports.macro = {
"with": {byName: true, type: "text", dependentAll: true}
},
execute: function() {
var tiddler = this.store.getTiddler(this.tiddlerTitle),
renderTitle = this.params.target,
var renderTitle = this.params.target,
renderTemplate = this.params.template,
content,
contentClone = [],
t,
parents = this.parents.slice(0);
// If there's no render title specified then use the current tiddler title
if(typeof renderTitle !== "string") {
renderTitle = tiddler.title;
renderTitle = this.tiddlerTitle;
}
// If there's no template specified then use the target tiddler title
if(typeof renderTemplate !== "string") {
renderTemplate = renderTitle;
}
if(parents.indexOf(renderTemplate) === -1) {
// Check for recursion
if(parents.indexOf(renderTemplate) !== -1) {
content = [Renderer.ErrorNode("Tiddler recursion error in <<tiddler>> macro")];
} else {
if("with" in this.params) {
// Parameterised transclusion
var targetTiddler = this.store.getTiddler(renderTemplate),
@ -82,16 +86,18 @@ exports.macro = {
var parseTree = this.store.parseTiddler(renderTemplate);
content = parseTree ? parseTree.nodes : [];
}
} else {
content = [Renderer.ErrorNode("Tiddler recursion error in <<tiddler>> macro")];
}
// Update the stack of tiddler titles for recursion detection
parents.push(renderTemplate);
// Clone the content
for(t=0; t<content.length; t++) {
contentClone.push(content[t].clone());
}
// Execute macros within the content
for(t=0; t<contentClone.length; t++) {
contentClone[t].execute(parents,this.store.getTiddler(renderTitle));
}
// Return the content
return contentClone;
}
};

102
js/macros/view.js
View File

@ -19,51 +19,69 @@ exports.macro = {
template: {byPos: 2, type: "text"}
},
execute: function() {
if(!this.tiddlerTitle) {
return Renderer.ErrorNode("Missing tiddler");
var tiddler = this.store.getTiddler(this.tiddlerTitle),
field = this.hasParameter("field") ? this.params.field : "title",
value,
content,
t,
contentClone = [],
parents = this.parents;
if(tiddler) {
value = tiddler[field];
} else {
var tiddler = this.store.getTiddler(this.tiddlerTitle),
v = tiddler[this.params.field],
content,
t,
contentClone = [],
parents = this.parents;
if(v !== undefined) {
switch(this.params.format) {
case "link":
var link = Renderer.MacroNode("link",
{target: v},
[Renderer.TextNode(v)],
this.store);
link.execute(parents,tiddler);
return [link];
case "wikified":
if(this.params.field === "text") {
if(parents.indexOf(tiddler.title) === -1) {
content = this.store.parseTiddler(tiddler.title).nodes;
} else {
content = [Renderer.ErrorNode("Tiddler recursion error in <<view>> macro")];
}
parents = parents.slice(0);
parents.push(tiddler.title);
} else {
content = this.store.parseText("text/x-tiddlywiki",v).nodes;
}
for(t=0; t<content.length; t++) {
contentClone.push(content[t].clone());
}
for(t=0; t<contentClone.length; t++) {
contentClone[t].execute(parents,tiddler);
}
return contentClone;
case "date":
var template = this.params.template || "DD MMM YYYY";
return [Renderer.TextNode(utils.formatDateString(v,template))];
default: // "text"
return [Renderer.TextNode(v)];
}
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":
var link = Renderer.MacroNode("link",
{target: value},
[Renderer.TextNode(value)],
this.store);
link.execute(parents,tiddler);
return [link];
case "wikified":
if(tiddler && this.params.field === "text") {
if(parents.indexOf(tiddler.title) !== -1) {
content = [Renderer.ErrorNode("Tiddler recursion error in <<view>> macro")];
} else {
content = this.store.parseTiddler(tiddler.title).nodes;
}
parents = parents.slice(0);
parents.push(tiddler.title);
} else {
content = this.store.parseText("text/x-tiddlywiki",value).nodes;
}
for(t=0; t<content.length; t++) {
contentClone.push(content[t].clone());
}
for(t=0; t<contentClone.length; t++) {
contentClone[t].execute(parents,tiddler);
}
return contentClone;
case "date":
var template = this.params.template || "DD MMM YYYY";
if(value === undefined) {
return [];
} else {
return [Renderer.TextNode(utils.formatDateString(value,template))];
}
default: // "text"
return [Renderer.TextNode(value)];
}
return [];
}
};