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Code Issues Releases Wiki Activity

First pass at upgrade mechanism

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Jermolene
2014-07-12 09:09:36 +01:00
parent f08f57c5d2
commit 1f6e16318a
11 changed files with 356 additions and 34 deletions
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27
core/modules/wiki.js
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@@ -1125,4 +1125,31 @@ exports.addToHistory = function(title,fromPageRect,historyTitle) {
this.setTiddlerData(historyTitle,historyList,{"current-tiddler": titles[titles.length-1]});
};
/*
Invoke the available upgrader modules
titles: array of tiddler titles to be processed
tiddlers: hashmap by title of tiddler fields of pending import tiddlers. These can be modified by the upgraders. An entry with no fields indicates a tiddler that was pending import has been suppressed. When entries are added to the pending import the tiddlers hashmap may have entries that are not present in the titles array
Returns a hashmap of messages keyed by tiddler title.
*/
exports.invokeUpgraders = function(titles,tiddlers) {
// Collect up the available upgrader modules
var self = this;
if(!this.upgraderModules) {
this.upgraderModules = [];
$tw.modules.forEachModuleOfType("upgrader",function(title,module) {
if(module.upgrade) {
self.upgraderModules.push(module);
}
});
}
// Invoke each upgrader in turn
var messages = {};
for(var t=0; t<this.upgraderModules.length; t++) {
var upgrader = this.upgraderModules[t],
upgraderMessages = upgrader.upgrade(this,titles,tiddlers);
$tw.utils.extend(messages,upgraderMessages);
}
return messages;
};
})();