try {
    this.collapseAll();
} catch (e) {
    print(_.toString(e));
}
/*---ACTION---
ICON: "minus-square-o"
LABEL: "Collapse All"
LABEL_ZHCN: "折叠全部"
LABEL_ZHTW: "折疊全部"
ACCEL: ""
TOOLTIP: "Collapse All"
TOOLTIP_ZHCN: "折叠全部"
TOOLTIP_ZHTW: "折疊全部"
PERMISSION: ""
CHECKED: ""
GROUP: ""
STYLE: "button_style=both"
LANG: "JavaScript"
STATUS: "Release"
VERSION: "1"
STATEHOOK: ""
---ACTION---*/