QuickRenameLayers.js

// ==========================================================================
        // Start    Write file to Desktop
        // ==========================================================================

        $('#QuickRename-Settings').click(function () {
            var readFileAgain = window.cep.fs.readFile(filePath);
            if (0 == readFileAgain.err) { // If the txt file exists on Desktop, open it
                csInterface.evalScript("openTXTFile('" + filePath + "')");
                // csInterface.evalScript("alert('Opened existing document...')");
            } else {
                writeFileToDesktop();
            }
        });

        $('#QuickRename-Reload').click(function () {
            var readFileAgain = window.cep.fs.readFile(filePath);
            if (0 == readFileAgain.err) { // If the txt file exists on Desktop, reload the Quick Rename Tags
                readFileFromDesktop();
            } else {
                csInterface.evalScript("alert('There is no saved file on Desktop. Reverting to Defaults')");
                loadDefaults();
                $('#QuickRename-Reload').css("opacity", "0.2");
            }
        });

        function loadDefaults() {

            $('#QuickRenameLayers').empty();

            var defaultDataSorted = DefaultQuickRenameLayersData.sort();

            $.each( defaultDataSorted, function( value ) {
                var $list;

                $list = "<li class='col-xs-3 QuickRenameLayers-Button defaults' data-rename-layer-to='" + defaultDataSorted[value] + "'>"
                $list +=    defaultDataSorted[value];
                $list += "</li>";

                $('#QuickRenameLayers').append($list);
            });

            // csInterface.evalScript("alert('Added Defaults')");
        }

        function readFileFromDesktop() {

            var readFileAgain = window.cep.fs.readFile(filePath);

            $('#QuickRenameLayers').empty();

            var string = readFileAgain.data;
            var array = string.split("\n").sort();

            array = array.filter(Boolean); // http://stackoverflow.com/a/19888749

            // array = array.filter(function(n){return n; }); // http://stackoverflow.com/a/2843625

            $.each( array, function( value ) {
                var $list;

                $list = "<li class='col-xs-3 QuickRenameLayers-Button dynamicLoaded' data-rename-layer-to='" + array[value] + "'>"
                $list +=    array[value];
                $list += "</li>";

                $('#QuickRenameLayers').append($list);
            });

            // csInterface.evalScript("alert('Read file from Desktop')");
        }

        function writeFileToDesktop() {

            var data = DefaultQuickRenameLayersData.join('\n');
            var writeFile = window.cep.fs.writeFile(filePath, data);

            if (0 == writeFile.err) {
                // alert('File was written succesful!');
                csInterface.evalScript("openTXTFile('" + filePath + "')");
            } else {
                csInterface.evalScript("alert('The file was not written because of an error...')");
            }

            // csInterface.evalScript("alert('Written file to Desktop')");
        }

        // ==========================================================================
        // Regular .click() only works for elements that already existed when the page loaded
        // The extensions are loaded only on demand, so they do not exist at load
        // ==========================================================================

        $('#QuickRenameLayers').on( 'click', 'li', function () {
            var renameLayerTo = $(this).attr('data-rename-layer-to');
            csInterface.evalScript('QuickRenameLayers("' + renameLayerTo + '")');
        });

        // ==========================================================================
        // End
        // ----------
        // Quick Rename Layers
        // ==========================================================================