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当单元格状态在特定状态(例如编辑,悬停,活动,选择等)下匹配时,SpreadJS允许用户配置自定义单元格样式。此功能有助于在表单中创建输入表单控件,高级结构化表单和其他交互式表单,您可以在其中 想要根据单元格的当前状态指定单元格样式。
单元状态表示单元如何响应用户的不同动作。 通常,单元状态是样式的一部分,用户可以创建自定义的命名样式,以有选择地,轻松地应用各种单元特征。 通过实现单元状态,用户可以为基于表单的表单和交互式仪表板创建现代的用户界面。 此外,用户可以突出显示所选/活动单元格的活动行和列,并实时处理应用程序。
示例 - 以下截图描绘了当用户将鼠标悬停在单元格上,选择一个单元格或变更表单中单元格的状态时的不同单元格样式。 在此示例中,当单元格处于悬停状态时,单元格的背景色变为粉红色,而单元格的前景色变为红色。 当选中一个单元格时,单元格颜色变为黄色,而当单元格状态变脏时,背景色变为蓝色,前景色变为红色。
CellStatesType 枚举可用于处理电子表格中的不同单元格状态,如下表所示:
类型和值 | 描述 |
---|---|
hover = 0x01 | 当鼠标悬停在单元格上时执行指定的操作。 |
invalid = 0x02 | 如果在数据验证期间条件评估失败,则将单元格状态设置为无效。 |
readonly = 0x04 | 锁定受保护工作表中的单元格。 |
edit = 0x08 | 在编辑单元格时执行指定的操作。 |
active = 0x10 | 当单元格处于焦点时执行指定的操作。 |
selected = 0x20 | 当单元格位于工作表的选定范围内时执行指定的操作。 |
dirty = 0x40 | 在更改单元格值或引用单元格值时将单元格状态设置为脏,以便轻松跟踪工作表数据中的任何更改。 |
invalidFormula = 0x80 | 使用无效的公式字符串标记单元格。 |
在表单中为各种单元格状态配置不同的单元格样式时,按以下顺序遵循优先级:
edit > hover > active > selected > invalid formula > dirty > invalid > read-only
其中处于正常状态的单元优先级最低,处于编辑模式的单元具有最高优先级。
如果两个不同像元范围的像元状态样式彼此相交,则用户最后设置的样式将具有更高的优先级。
当用户将鼠标悬停在单元格上或在表单中选择一个单元格时,请参考以下示例代码以应用不同的样式。
// 初始化 Spread
var spread = new GC.Spread.Sheets.Workbook(document.getElementById('ss'), { sheetCount: 1 });
// 获取表单
var activeSheet = spread.getSheet(0);
// 将数据添加到表单
activeSheet.setValue(0, 1, "Y-2015");
activeSheet.setValue(0, 2, "Y-2016");
activeSheet.setValue(0, 3, "Y-2017");
activeSheet.setValue(0, 4, "Y-2018");
activeSheet.setValue(0, 5, "Y-2019");
activeSheet.setValue(1, 0, "Gradlco");
activeSheet.setValue(2, 0, "Saagiate");
activeSheet.setValue(3, 0, "Inferno");
activeSheet.setColumnWidth(0, 120);
// 创建 HoverStyle
var hoverStyle = new GC.Spread.Sheets.Style();
hoverStyle.backColor = "pink";
hoverStyle.foreColor = "red";
// 创建SelectStyle
var selectStyle = new GC.Spread.Sheets.Style();
selectStyle.backColor = "yellow";
selectStyle.foreColor = "red";
// 创建DirtyStyle
var dirtyStyle = new GC.Spread.Sheets.Style();
dirtyStyle.backColor = 'lightblue';
dirtyStyle.foreColor = 'red';
// 访问单元格范围A1:J10
var range = new GC.Spread.Sheets.Range(0, 0, 10, 10);
// 在不同的CellStatesType上应用样式
activeSheet.cellStates.add(range, GC.Spread.Sheets.CellStatesType.dirty, dirtyStyle);
activeSheet.cellStates.add(range, GC.Spread.Sheets.CellStatesType.selected, selectStyle);
activeSheet.cellStates.add(range, GC.Spread.Sheets.CellStatesType.hover, hoverStyle);