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vue-pivot-table-plus

A customized vue component for pivot table.

This project is modified based on vue-pivot-table to adjust its design to our products and add custom features described below.

Customized features

• Used v-model to bind row / column fields
  • And get these states reactively
• Reset row / column fields
• Download the current pivotted table in CSV / TSV
• Sortable rows
• Design updates
  • Shrinked buttons and table

Install

npm install --save vue-pivot-table-plus

Usage

The component Pivot has an aggregation table (referred to as PivotTable) from data & specific rows/columns.

Pivot has also a drag & drop user interface to configure rows/columns of a PivotTable.

You have to npm install bootstrap.

<!-- App.vue (template) -->
<template>
  <div id="app">
  ...

    <Pivot
      :data="data"
      v-model="fields"
      :reducer="reducer"
      :showSettings="defaultShowSettings"
      >
    </Pivot>
  ...

</template>

/* App.vue (js)*/
// Import the needed component(s)
import Vue from 'vue'
import { Pivot } from 'vue-pivot-table-plus'

export default Vue.extend({
  name: "app",
  components: { Pivot },
  data: () => {
    return {
      data: Object.freeze([{ x: 0, y: 0, z: 0 }, { x: 1, y: 1, z: 1 }]),
      fields: {
        availableFields: [],
        rowFields: [{
          getter: item => item.x,
          label: 'X-axis'
        }, {
          getter: item => item.y,
          label: 'Y-axis',
        }],
        colFields: [{
          getter: item => item.z,
          label: 'Z-axis'
        }],
        fieldsOrder: {}
      },
      reducer: (sum, item) => sum + 1,
      defaultShowSettings: true,
      tableHeight: '400px'
    }
  }
  ...
})

/* main.js */
import Vue from 'vue'
import 'bootstrap'
import 'bootstrap/dist/css/bootstrap.min.css'
import App from './App.vue'

new Vue({
  render: h => h(App)
}).$mount("#app")

API

Props

Prop	Type	Default	Description
data	Array	[]	Dataset to use in the pivot ; each element should be an object
fields	Object (v-model)	{}	Information about pivot table. It includes available fields, row fields, column fields. You can receive the change of these information by watching this fields. Please consult the above example for usage.
reducer	function	(sum, item) => sum + 1	Function applied to reduce data in the pivot table
tableHeight	Number	500px	The height of table
default-show-settings	Boolean	true	Show settings at component creation
no-data-warning-text	String	'No data to display.'	Text to display when data is empty
is-data-loading	Boolean	false	Display a loading content instead of the table when the value is true (see slots for customization)
available-fields-label-text	String	'Available fields'	Text for available fields drag area
rows-label-text	String	'Rows'	Text for the rows drag area
cols-label-text	String	'Columns'	Text for the columns drag area
hide-settings-text	String	'Hide settings'	Text for the "hide settings" button
show-settings-text	String	'Show settings'	Text for the "show settings" button
filename	String	(Determined by datetime)	Filename without extension for the downloading csv / tsv

Field format

Each element in the arrays fields, colFields or rowFields should be an Object with this format:

Prop	Type	Description
label	String	Text to display in the draggable button (Pivot only)
getter	Function	Function to apply on an element of data to get the field value
sort	Function	Optional - Function to order fields in the pivot table header ; if no value is provided, javascript-natural-sort will be applied
showHeader	Boolean	Optional (default: true) - Whether the header should be displayed in the pivot table
showFooter	Boolean	Optional (default: false) - Whether the footer should be displayed in the pivot table
headerSlotName	String	Optional - Name of the slot to use to format the header in the pivot table ; if no slot name is provided, the value will be displayed as found in data
footerSlotName	String	Optional - Same as above for the footer

Large datasets

If this component is used with large datasets, consider applying Object.freeze on your data object to avoid useless change tracking on each data element.

See https://vuejs.org/v2/guide/instance.html#Data-and-Methods.

Build

# Install dependencies
npm install

# Serve with hot reload at localhost:8080
cd demo && npm run serve

# Build js libraries in dist folder
npm run build

Future features

• Select enable / disable of each features (reset buttons, download button, and etc.)
• More sophiscated design updates

Framework/Plugin

• CSS
  • Bootstrap ^4.2.1
• JavaScript
  • Vue ^2.6.10
  • jQuery ^3.3.1
  • VueDraggable ^2.21.0
  • BootstrapVue ^2.15.0

License

This software is released under the Apache License v2.0.

Copyright 2019 LINE Corporation

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.