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       
(Showing Draft Content)

自定义筛选按钮

问题:SpreadJS如何自定义筛选按钮


背景:

SpreadJS提供了筛选功能以及筛选按钮,但是筛选按钮的样式不大符合需求,期望的效果为一个小漏斗形状。这样的效果应该如何实现呢?

解决方案:

SpreadJS提供了丰富的接口供用户自定义,如果不喜欢原有的筛选按钮,那就隐藏好了:

sheet.rowFilter().filterButtonVisible(false);


没有了筛选按钮,怎么实现UI操作呢?

SpreadJS提供了单元格按钮的功能,可以在原筛选按钮位置设置一个button,再结合我们的需求,执行筛选代码逻辑就可以了。

当然,显示的image也可以根据需要自己设置,找一个喜欢的图标替换(base64)。

var style = sheet.getStyle(1, 1);
style.cellButtons = [
  {
    imageType: GC.Spread.Sheets.ButtonImageType.custom,
    imageSrc: base64Icon1,
    command: (sheet, row, col, option) => {
      var filter = sheet.rowFilter();
      var cellRect = sheet.getCellRect(row, col);
      var x = cellRect.x;
      var y = cellRect.y;
      var filterButtonHitInfo = {
        rowFilter: filter,
        row: row,
        col: col,
        sheetArea: GC.Spread.Sheets.SheetArea.viewport,
        x: x,
        y: y,
        width: cellRect.width,
        height: cellRect.height,
      };
      filter.openFilterDialog(filterButtonHitInfo);
    },
  },
];
sheet.setStyle(1, 1, style);

需要用另一个图标来表示筛选后的状态,那就通过RangeFiltered事件来控制筛选按钮的显示图片

主要代码如下:

sheet.bind(GC.Spread.Sheets.Events.RangeFiltered, function (e, info) {
  var rowFilter = sheet.rowFilter();
  var filterStyle = sheet.getStyle(1, 1);
  if (rowFilter.getFilterItems(1).length > 0) {
    filterStyle.cellButtons = [
      {
        imageType: GC.Spread.Sheets.ButtonImageType.custom,
        imageSrc: base64Icon2,
        command: (sheet, row, col, option) => {
          var filter = sheet.rowFilter();
          var cellRect = sheet.getCellRect(row, col);
          var x = cellRect.x;
          var y = cellRect.y;
          var filterButtonHitInfo = {
            rowFilter: filter,
            row: row,
            col: col,
            sheetArea: GC.Spread.Sheets.SheetArea.viewport,
            x: x,
            y: y,
            width: cellRect.width,
            height: cellRect.height,
          };
          filter.openFilterDialog(filterButtonHitInfo);
        },
      },
    ];
  } else {
    filterStyle.cellButtons = [
      {
        imageType: GC.Spread.Sheets.ButtonImageType.custom,
        imageSrc: base64Icon1,
        command: (sheet, row, col, option) => {
          var filter = sheet.rowFilter();
          var cellRect = sheet.getCellRect(row, col);
          var x = cellRect.x;
          var y = cellRect.y;
          var filterButtonHitInfo = {
            rowFilter: filter,
            row: row,
            col: col,
            sheetArea: GC.Spread.Sheets.SheetArea.viewport,
            x: x,
            y: y,
            width: cellRect.width,
            height: cellRect.height,
          };
          filter.openFilterDialog(filterButtonHitInfo);
        },
      },
    ];
  }
  sheet.setStyle(1, 1, filterStyle);
});

来看下效果图:

image


完整代码请参考该链接

作者: GrapeCity China | 审核:Clark.Pan | 更新时间:2023.12.10