homework/32409234-张宇/homework1/erg/js/mainfrm_pane.js

////////////////////////////////////////////////////////////////////////////
// System Pre-define Functions
// 95099372-ef3e-11ea-9c81-bf848405c62e

function OnInitializeData() {
        OnMulti();
}

function OnCloseForm() {

}

function OnException(err) {
        //ui.MessageBox('Error', '' + err, MessageBox.Icon.Critical, MessageBox.Button.Ok);
}

//////////////////////////////////////////////////////////////////////////
// Callback Functions.
// 641a254c-ef3e-11ea-bc8a-379bb908bdd7

var g_studengs = [
        '汤鹏强',
        '沈佳琦',
        '李思翰',
        '张博铭#',
        '闫凯秀',
        '郭伟鹏',
        '刘帆',
        '王旭',
        '李丰冶',
        '桂董圆',
        '吴冠龙',
        '汪宇飞',
        '程果',
        '赵骏豪',
        '黄超',
        '刘佳强',
        '王骏杰',
        '陈立浩',
        '赵新晨',
        '王馨珞*',
        '马宇翔',
        '张宇',
        '杨永泉'
];

function getRandomArrayElements(arr, count) {
        var shuffled = arr.slice(0),
            i = arr.length,
            min = i - count,
            temp, index;
        while (i-- > min) {
                index = Math.floor((i + 1) * Math.random());
                temp = shuffled[index];
                shuffled[index] = shuffled[i];
                shuffled[i] = temp;
        }
        return shuffled.slice(min);
}

function callStudent(num) {
        var students = getRandomArrayElements(g_studengs, num);
        ui.list.table = [
                ['姓名']
        ].concat((students.map(item => {
                return [item];
        })));

        var idx = 0;
        var colors = students.map(item => { //@item.@String colors.@Array
                if (item.indexOf('*') !== -1) {return [idx++, 0, '#00FF00'];}
                if (item.indexOf('#') !== -1) {return [idx++, 0, '#00FFFF'];}
                return [idx++, 0, '#FFFF00'];
        });

        colors.forEach(item => {
                ui.list.color = item;
        });

        ui.list.head_size = [0];
}

function OnSingle() {
        callStudent(1);
        ui.label.value = "<span style='color:blue'><h1><b>" + ui.list.table[1][0] + "</h1></b></span>";
        ui.index.index = 1;
}

function OnMulti() {
        callStudent(8);
        ui.index.index = 0;
}

function OnAbsent() {
        var name; //存储未到的学生
        // 提问模式：点击“未到”按钮使学生姓名变为红色
        if (ui.index.index === 1) {
                var name = ui.list.table?.[1]?.[0]; // 获取第1行第0列的姓名（提问学生）
                ui.label.value = "<span style='color:red'><h1><b>" + name + "</b></h1></span>";
                name = ui.list.table?.[1]?.[0];
        } else {         // 点名模式：点击“未到”按钮标红对应学生姓名
                var selectedRow = ui.list.row; //获取选择的学生行数
                if (selectedRow === -1) {
                        ui.MessageBox("提示", "未选中任何学生，无法标记为未到", MessageBox.Icon.Warning, MessageBox.Button.Ok);
                        return;
                }
                name = ui.list.table?.[selectedRow+1]?.[0]; //表头索引为0
                if (name) {
                        ui.list.color = [selectedRow, 0, "#FF0000"];
                }
        }
        if (name) {
                model.AddAbsentStudent(name);
        }
}

function OnSaveAbsent() {
        var filepath = model.ExportAbsentStudents();
        if (filepath) {
                ui.MessageBox("导出成功", "名单已保存至：" + filepath, MessageBox.Icon.Information, MessageBox.Button.Ok);
                model.ClearAbsentList(); // 导出后清空
        } else {
                ui.MessageBox("提示", "未标记任何学生为未到，无法导出", MessageBox.Icon.Warning, MessageBox.Button.Ok);
        }
}

//////////////////////////////////////////////////////////////////////////
// Utils Functions.
// 6c165ad6-ef3e-11ea-987c-b761a131c2fe

/*Usage of BLOCK_EVENT
        BLOCK_EVENT(()=>{
                ui.[name].[var] = ...;
        });
*/

function BLOCK_EVENT(cb) {
        ui.block_event = true;

        cb();

        ui.block_event = false;
}