Implementing server-side range filter in vue-tables-2: A step-by-step guide

I am currently using a server-side VueTables-2 component to display data from the database. The table includes columns with numeric, textual, and date values.

My issue lies with filtering the numeric columns. I am trying to incorporate options for range filtering (such as >, >=, <, <=, =, between, etc).

The only available documentation that I could find is located here:

https://www.npmjs.com/package/vue-tables-2#server-side-filters

Server Side Filters

A. utilize the customFilters option to define your filters, following this syntax:

customFilters: ['alphabet','age-range']

B. similar to the client-side component.

However, there are a few aspects that I don't quite grasp:

  1. How is 'age-range' actually implemented?
  2. Where do I specify the filter settings for each column?
  3. Do I need to involve Vuex or the bus in this process?

If anyone can assist me with the implementation, I would greatly appreciate it.

Thank you

javascriptvue.jsvuejs2vue-tables-2

Answer №1

Consumer-created Custom Filters are a unique feature of this package. These filters, which are implemented externally by the user, have the ability to be integrated directly into the table using slots instead of relying on the standard text filter (Refer to the 'Slots' documentation).

As these filters operate independently from the package itself, it is necessary for you to inform the package whenever changes occur, either through the event bus or Vuex.

In essence, the only communication channel between the package and the custom filter is via events. The package does not possess any information regarding when these events will be emitted or the circumstances under which they will take place. It simply waits passively for changes and combines the incoming query with its native one.

For example, suppose you create an age-range-filter component that triggers a changed event, and you wish for it to replace the default text filter for the age column:

<v-server-table ... :columns="['name','age']" :options="tableOptions">
<div slot="filter__age">
    <age-range-filter @changed="filter"></age-range-filter>
</div>
</v-server-table>

Within your Vue instance:

data:{
tableOptions:{
   filterable:['name'] // exclude 'age' as it will be substituted by your component
   customFilters:['age-range']
  }
},
methods:{
   filter(query) {
     VueEvent.$emit('age-range', query);
   }
}

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