Function selectFileByIndex

apps/visualize-trace/static/js/script.js:395–401

(index)

}

function selectFileByIndex(index) {
    if (index >= 0 && index < currentFileList.length) {
        elements.fileSelect.selectedIndex = index + 1; // +1 因为第一个选项是"选择Trace文件..."
        currentFileIndex = index;
        updateNavigationButtons();
    }
}

function updateNavigationButtons() {
    const hasPrev = currentFileIndex > 0;