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       
(Showing Draft Content)

自定义下拉命令

问题:如何实现自定义下拉命令


背景:

在某些情况下,用户希望在Ribbon自行定义下拉命令来实现业务需求。

实现步骤:

首先添加一个名为“操作”的ribbon。

先定义ribbon对象,然后将其push到config下的ribbon数组中,最后通过setConfig将这个新的配置注入到设计器上。

var customerRibbon = {
  id: "operate",
  text: "操作",
  buttonGroups: [],
};

config.ribbon.push(customerRibbon);
designer.setConfig(config);

完成上面的操作后,可以看到一个名为“操作”的ribbon已经被添加到了工具栏上。

image


接下来完善buttonGroups里面的内容,下图的每一个红框就是一个buttonGroup。

image


首先,label是这个buttonGroup的名称;thumbnailClass为页面自适应后这个buttonGroup的缩略图。下面的commandGroup是定义各个命令按钮的集合,里面children的第一个对象是本次要定义的下拉命令的内容。

可以看到,里面有下拉命令(command,如要定义下拉命令,需要重写该命令,否则不生效),命令的类型(type),定义下拉的最大宽度(dropdownMaxWidth),定义下拉的最大高度(dropdownMaxHeight)以及下拉命令的子命令(children)。


image


完成布局上的操作后,接下来定义上面对应的命令。

可以看到,iconClass是命令所对应的图标,与上面的thumbnailClass类似,可以使用内置的图标,也可使用自定义的css类来设置。可以通过“bigButton”属性来指定该命令是否使用更大的按钮,可以通过text指定这个按钮显示的文本,可以通过direction指定方向。

在定义下拉对应的命令时,可以通过showDropdownButton指定是否显示下拉按钮。最后commandName是定义命令的名称。


image


完成上面的操作之后,如我们需要自定义的命令能够执行,那么我们需要将其加到commandMap里面:

config.commandMap = {};
Object.assign(config.commandMap, ribbonFileCommands);

最终的实现效果如下:

image


以上就是自定义下拉命令的增强示例的介绍,下载附件即可查看完整demo。

自定义下拉命令.html

作者: GrapeCity China | 审核:Lynn.Dou | 更新时间:2023.12.28