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       
(Showing Draft Content)

规则

TableSheet 支持不同的数据规则,以帮助强调和可视化数据的变化以及控制在 TableSheet 中输入的数据类型。

条件格式和数据验证

TableSheet 在 TableSheet 视图中支持数据绑定条件格式和数据验证。

您可以在定义视图列信息时指定c conditionalFormatvalidator 属性。这些属性接受下表中列出的不同类型的规则选项数组。

TableSheet 支持以下条件格式和数据验证类型。

特性 类型
Conditional Format AverageRule

CellValueRule

DataBarRule

DateOccuringRule

DuplicateRule

FormulaRule

IconSetRule

SpecificTextRule

ThreeScaleRule

Top10Rule

TwoScaleRule

UniqueRule

Data Validator DateValidator

FormulaListValidator

FormulaValidator

ListValidator

NumberValidator

TextLengthValidator

TimeValidator

以下代码示例演示如何在 TableSheet 中应用条件格式和数据验证。

// 应用条件格式formula
var formulaRule = {
    ruleType: "formulaRule",
    formula: "@<10",
    style: {
        backColor: "green",
        foreColor: "lime"
    }
};
// 创建数据验证器
var positiveNumberValidator = {
    type: "formula",
    formula: '@>0',
    inputTitle: 'Data validation:',
    inputMessage: 'UnitPrice cannot be less than 0.',
    highlightStyle: {
        type: 'icon',
        color: "red",
        position: 'outsideRight',
    }
};

//绑定视图
myTable.fetch().then(function () {
    var view = myTable.addView("myView", [

        { value: "stockItem", width: 300, caption: "Stock Item" },
        { value: "unitPrice", width: 120, caption: "Unit Price", conditionalFormats: [formulaRule], validator: positiveNumberValidator }, // apply conditional formating and data validation here
        { value: "taxRate", width: 120, caption: "Tax Rate" },
        { value: "=([@unitPrice] * [@taxRate])/100 + [@unitPrice]", caption: "Total Price", width: 150 }
    ]);
    sheet.setDataView(view);
});

样式规则

样式规则是在满足条件时应用的样式。在向数据管理器表添加视图时,可以使用GC.Data.View类中的addStyleRule添加状态规则和公式规则,或使用addView方法参数viewOptions。

  • State Rule – 触发行或列状态时应用样式。例如,如果要在鼠标悬停在某一行上时高亮显示该行的灰底颜色,或高亮显示所选列,如下图所示。
  • Formula Rule – 将样式应用于满足特定条件的特定值。例如,如果要突出显示产品的较低价格,请将"[@UnitPrice]<10"等公式设置为不同的前景色,如下图所示。

下面的代码示例演示如何在TableSheet中应用状态规则和公式规则。

// 设置公式规则
var formulaRule = {
    ruleType: "formulaRule",
    formula: "@<=10",
    style: {
        borderLeft: { color: "orange", style: "medium" },
        borderRight: { color: "orange", style: "medium" },
        borderTop: { color: "orange", style: "medium" },
        borderBottom: { color: "orange", style: "medium" }
    }
};

//绑定视图
var myView = productTable.addView("myView", [
    { value: "Id", caption: "ID" },
    { value: "ProductName", caption: "Name", width: 400 },
    { value: "ReorderLevel", caption: "ReorderLevel", width: 120},
    { value: "UnitPrice", caption: "Unit Price", width: 100, readonly: true, conditionalFormats: [formulaRule] },
    { value: "UnitsInStock", caption: "Units In Stock", width: 100 },
    { value: "UnitsOnOrder", caption: "Units On Order", width: 100 }
]);

// 通过addStyleRule方法添加规则
myView.addStyleRule("lowPrice", { backColor: "green", foreColor: "white" }, {
    formula: "[@UnitPrice] <= 10"
});

myView.addStyleRule("HoverStyle", { backColor: "gray", foreColor: "white" }, {
    direction: GC.Data.StateRuleDirection.row,
    state: GC.Data.RowColumnStates.hover
});

myView.addStyleRule("SelectedStyle", { backColor: "yellow", foreColor: "red"}, {
    direction: GC.Data.StateRuleDirection.column,
    state: GC.Data.RowColumnStates.selected
})

myView.fetch().then(function () {
    sheet.setDataView(myView);
});