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Code Issues Releases Wiki Activity

Extend wiki object to have methods required for importing

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Jeremy Ruston 2013-10-25 21:15:20 +01:00
parent eb5a8253ba
commit 8c2fb7b8d0
1 changed files with 71 additions and 0 deletions
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71
core/modules/wiki.js
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@ -170,6 +170,18 @@ exports.tiddlerExists = function(title) {
return !!this.tiddlers[title]; return !!this.tiddlers[title];
}; };
/*
Generate an unused title from the specified base
*/
exports.generateNewTitle = function(baseTitle) {
var c = 0;
do {
var title = baseTitle + (c ? " " + (c + 1) : "");
c++;
} while(this.tiddlerExists(title));
return title;
};
exports.isSystemTiddler = function(title) { exports.isSystemTiddler = function(title) {
return title.indexOf("$:/") === 0; return title.indexOf("$:/") === 0;
}; };
@ -920,4 +932,63 @@ exports.getTiddlerText = function(title,defaultText) {
} }
}; };
/*
Read an array of browser File objects, invoking callback(tiddlerFields) for each loaded file
*/
exports.readFiles = function(files,callback) {
for(var f=0; f<files.length; f++) {
this.readFile(files[f],callback);
};
};
/*
Read a browser File object, invoking callback(tiddlerFields) with the tiddler fields object
*/
exports.readFile = function(file,callback) {
// Get the type, falling back to the filename extension
var self = this,
type = file.type;
if(type === "" || !type) {
var dotPos = file.name.lastIndexOf(".");
if(dotPos !== -1) {
var fileExtensionInfo = $tw.config.fileExtensionInfo[file.name.substr(dotPos)];
if(fileExtensionInfo) {
type = fileExtensionInfo.type;
}
}
}
// Figure out if we're reading a binary file
var contentTypeInfo = $tw.config.contentTypeInfo[type],
isBinary = contentTypeInfo ? contentTypeInfo.encoding === "base64" : false;
// Create the FileReader
var reader = new FileReader();
// Onload
reader.onload = function(event) {
// Deserialise the file contents
var tiddlerFields = {title: file.name || "Untitled", type: type};
// Are we binary?
if(isBinary) {
// The base64 section starts after the first comma in the data URI
var commaPos = event.target.result.indexOf(",");
if(commaPos !== -1) {
tiddlerFields.text = event.target.result.substr(commaPos+1);
callback(tiddlerFields);
}
} else {
var tiddlers = self.deserializeTiddlers(type,event.target.result,tiddlerFields);
if(tiddlers) {
$tw.utils.each(tiddlers,function(tiddlerFields) {
callback(tiddlerFields);
});
}
}
};
// Kick off the read
if(isBinary) {
reader.readAsDataURL(file);
} else {
reader.readAsText(file);
}
};
})(); })();