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TiddlyWiki5/core/modules/widgets/macrocall.js
Jeremy Ruston cc0011abd3 Get rid of the "new_" prefix we had on some methods
There's still the "old_" prefix to get rid of too.
2013-11-08 08:51:14 +00:00

85 lines
2.4 KiB
JavaScript

/*\
title: $:/core/modules/widgets/macrocall.js
type: application/javascript
module-type: widget
Macrocall widget
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var Widget = require("$:/core/modules/widgets/widget.js").widget;
var MacroCallWidget = function(parseTreeNode,options) {
this.initialise(parseTreeNode,options);
};
/*
Inherit from the base widget class
*/
MacroCallWidget.prototype = new Widget();
/*
Render this widget into the DOM
*/
MacroCallWidget.prototype.render = function(parent,nextSibling) {
this.parentDomNode = parent;
this.computeAttributes();
this.execute();
this.renderChildren(parent,nextSibling);
};
/*
Compute the internal state of the widget
*/
MacroCallWidget.prototype.execute = function() {
// Get the parse type if specified
this.parseType = this.getAttribute("$type","text/vnd.tiddlywiki");
this.renderOutput = this.getAttribute("$output","text/html");
// Merge together the parameters specified in the parse tree with the specified attributes
var params = this.parseTreeNode.params ? this.parseTreeNode.params.slice(0) : [];
$tw.utils.each(this.attributes,function(attribute,name) {
if(name.charAt(0) !== "$") {
params.push({name: name, value: attribute});
}
});
// Get the macro value
var text = this.getVariable(this.parseTreeNode.name || this.getAttribute("$name"),{params: params}),
parseTreeNodes;
// Are we rendering to HTML?
if(this.renderOutput === "text/html") {
// If so we'll return the parsed macro
var parser = this.wiki.parseText(this.parseType,text,
{parseAsInline: !this.parseTreeNode.isBlock});
parseTreeNodes = parser ? parser.tree : [];
} else {
// Otherwise, we'll render the text
var plainText = this.wiki.renderText("text/plain",this.parseType,text,{parentWidget: this});
parseTreeNodes = [{type: "text", text: plainText}];
}
// Construct the child widgets
this.makeChildWidgets(parseTreeNodes);
};
/*
Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
*/
MacroCallWidget.prototype.refresh = function(changedTiddlers) {
var changedAttributes = this.computeAttributes();
if($tw.utils.count(changedAttributes) > 0) {
// Rerender ourselves
this.refreshSelf();
return true;
} else {
return this.refreshChildren(changedTiddlers);
}
};
exports.macrocall = MacroCallWidget;
})();