Grammalecte  Diff

    export: function () {
        let sJSON = JSON.stringify(this.oIBDAWG.getJSON());
        let xFilePicker = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
        xFilePicker.init(window, "Enregistrer sous", Ci.nsIFilePicker.modeSave);
        xFilePicker.appendFilters(Ci.nsIFilePicker.filterAll | Ci.nsIFilePicker.filterText);
        xFilePicker.open(function (nReturnValue) {
            if (nReturnValue == Ci.nsIFilePicker.returnOK || nReturnValue == Ci.nsIFilePicker.returnReplace) {
                // write file 
                // OS.File.writeAtomic(xFilePicker.file.path, sJSON, {tmpPath: "file.txt.tmp"}); 

                // https://developer.mozilla.org/en-US/docs/Mozilla/JavaScript_code_modules/OSFile.jsm
                OS.File.writeAtomic(xFilePicker.file.path, sJSON, {tmpPath: "file.txt.tmp"}); 
                /*
                // You can also optionally pass a flags parameter here. It defaults to
                // FileUtils.MODE_WRONLY | FileUtils.MODE_CREATE | FileUtils.MODE_TRUNCATE;
                console.log(xFilePicker);
                let xOutStream = FileUtils.openSafeFileOutputStream(xFilePicker.file);
                let xConverter = Cc["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Ci.nsIScriptableUnicodeConverter);
                xConverter.charset = "UTF-8";
                let xInStream = xConverter.convertToInputStream(sJSON);
                // The last argument (the callback) is optional.
                NetUtil.asyncCopy(xInStream, xOutStream, function (status) {
                    if (!Components.isSuccessCode(status)) {
                        console.log(status);
                        return;
                    }
                });
                */
             }
        });
    }
}