v-menu-multi-level

Introduction

v-menu-multi-level is a customlizable UI Component for VueJS that creates a multi-level menu from a JSON data on a defined structure. The assigned props allows customize this menu using CSS3 properties and change its behavior.

Features:

Auto change sub-menu open-direction property when the document body overflows.
Set a sorting function for nodes in same level.
Open sub-menus in down or right directions.
Set icons and its style before or after nodes.
Keep a sub-menu opened when click outside from them.
Set icons when a sub-menu is opened or closed.
Apply CSS3 for hover, active or striped on items.
Set a root node visibilty dynamically.
Close all opened sub-menus when click outside from them.
Set menu alignment for root items.
Add prepend and/or append slots for menu.
Set a function to be executed when an item is clicked.

Definitions:

Node: A JavaScript Object containing a string for a label and an array of zero or more children nodes.
Root: First level of the component node's property.
Leaf: A node which doesn't have children nodes.
Item: A rendered node on HTML.
Menu: A rendered collection of all root nodes on HTML.
Sub-menu: A rendered collection of one children's node on HTML.

Notes

The generated menu uses the CSS3 property display: flex and its related properties for desktop platforms where the dimension of the menu depends of nodes' label, specially on root items. Any CSS3 property can be passed to container menu directly from component.

The auto open-direction of an item checks if the body's dimension has changed after rendered, so the open-direction property when is set to right is changed to down when it occurs.

Live Demo

Try on CodePen

Installation

yarn add v-menu-multi-level --save

or

npm install v-menu-multi-level --save

Basic Usage

<!-- Vue component -->
<template>
    <v-menu-multi-level :nodes="nodes"></v-menu-multi-level>
</template>

<script>
import VMenuMultiLevel from 'v-menu-multi-level'
import 'v-menu-multi-level/dist/v-menu-multi-level.css'

export default {
  components: {
    VMenuMultiLevel
  },
  data() {
    return {
      nodes: [{
        label: 'North America',
        visible: true,
        children: [{
          label: 'United States',
          children: [{
            label: 'California',
            children: [{
              label: 'Los Angeles',
              children: [{
                label: 'Beverly Hills',
                children: []
              },
              {
                label: 'Hollywood',
                children: []
              },
              {
                label: 'Santa Monica',
                children: []
              }]
            }]
          }]
        }]
        // . . .
      }]
    }
  }
}
</script>

Component Reference

Properties

Property	Type	Default	Description
align	String	center	Alignment of the root items. Possible values: left, right, center, fill
children	String	children	A property name used on children nodes.
container‑items‑style‑down	Object	View	A CSS3 style object for the container items at same level when the open-direction property is down.
container-items-style-right	Object	View	A A CSS3 style object for the container items at same level when the open-direction property is right.
icon-down-after	Object	View	The opened and closed icon properties shown after label. Each one has an icon and its style. Applies to: non-root items and open-direction property is down.
icon-down-before	Object	View	The opened and closed icon properties shown before label. Each one has an icon and its style. Applies to: non-root items and open-direction property is down.
icon-down-before-leaf	Object	View	The icon properties shown before label. It has an icon and its style. Applies to: leaf items and open-direction property is down.
icon-right-after	Object	View	The opened and closed icon properties shown after label. Each one has an icon and its style. Applies to: non-root items and open-direction property is right.
icon-right-before	Object	View	The opened and closed icon properties shown before label. Each one has an icon and its style. Applies to: non-root items and open-direction property is right.
icon-right-before-leaf	Object	View	The icon properties shown before label. It has an icon and its style. Applies to: leaf items and open-direction property is right.
icon-root-after	Object	View	The opened and closed icon properties shown before label. Each one has an icon and its style. Applies to: root items.
icon-root-before	Object	View	The opened and closed icon properties shown before label. Each one has an icon and its style. Applies to: root items.
ignore-sort-root-items	Boolean	false	Ignores sorting root items on *sortItems() function. Possible values: true, false
item-active-style¹	Object	View	A CSS3 style object
item-hover-style¹	Object	View	A CSS3 style object
item-style	Object	View	A CSS3 style object
keep-opened	Boolean	false	Keeps sub-menus opened when opening a new one. Possible values: true, false
label	String	label	A property name used on nodes' label
nodes	Object	[ ]	An array of objects with a label and children nodes
offset-down-direction	Number	20	An offset (in pixels) from a parent item when the open-direction property is down
open-direction	String	right	. Possible values: right, down
open-on-leaf-only	Boolean	true	Executes a click event on leaf only. Possible values: true, false
root-item-active-style²	Object	View	A CSS3 style object
root-item-hover-style²	Object	View	A CSS3 style object
root-item-position	String	left	Align the edge of the root items with its sub-menu. Possible values: right, left
root-item-style	Object	View	A CSS3 style object
sort-items	Function	Ascending function sort	A sort function that compare two labels properties at same node level which results in -1, 0 or 1
striped-style¹	Array	View	Applies an array of one or more CSS3 objects for items on a submenu resulting on a striped effect

Notes

¹Inherits CSS3 properties from itemStyle
²Inherits CSS3 properties from rootItemStyle

Slots

Name	Description
append	Scoped slot for custom content after the menu.
prepend	Scoped slot for custom content before the menu.

Events

Event	Arguments	Description
click-item	event - Native event object. item - Node of the item clicked.	Emitted when an item is clicked.

Default Styles

container-items-style-down

{
  border: "solid 1px #eee"
}

container-items-style-right

{
  border: "solid 1px #eee"
}

icon-down-after

{
  opened: {
    icon: "–",
    style: {
      marginLeft: "10px"
    }
  },
  closed: {
    icon: "+",
    style: {
      marginLeft: "10px"
    }
  }
}

icon-down-before

{
  opened: {
    icon: "",
    style: { }
  },
  closed: {
    icon: "",
    style: { }
  }
}

icon-down-before-leaf

{
  icon: "",
  style: { }
}

icon-right-after

{
  opened: {
    icon: "▾",
    style: {
      marginLeft: "10px",
      transform: "rotate(90deg)"
    }
  },
  closed: {
    icon: "▾",
    style: {
      marginLeft: "10px",
      transform: "rotate(-90deg)"
    }
  }
}

icon-right-before

{
  opened: {
    icon: "",
    style: { }
  },
  closed: {
    icon: "",
    style: { }
  }
}

icon-right-before-leaf

{
  icon: "",
  style: { }
}

icon-root-after

{
  opened: {
    icon: "▾",
    style: {
      marginLeft: "10px",
      transform: "rotate(180deg)"
    }
  },
  closed: {
    icon: "▾",
    style: {
      marginLeft: "10px"
    }
  }
}

icon-root-before

{
  opened: {
    icon: "",
    style: ""
  },
  closed: {
    icon: "",
    style: ""
  }
}

item-active-style

{
  color: "#fff",
  backgroundColor: "#444"
}

item-hover-style

{
  backgroundColor: "#e7e7e7"
}

item-style

{
  padding: "6px",
  backgroundColor: "#f5f5f5"
}

root-item-active-style

{
  color: "#fff",
  backgroundColor: "#444"
}

root-item-hover-style

{
  backgroundColor: "#eee"
}

root-item-style

{
  backgroundColor: "#f9f9f9",
  textAlign: "center",
  fontSize: "14px",
  padding: "10px 20px"
}

striped-style

[
  {
    backgroundColor: "#f9f9f9"
  },
  {
    backgroundColor: "#f1f1f1"
  }
]

Browser Compatibility

Browser	Version
Chrome	61+
Firefox	60+
Safari	10.1+
Edge	16+
Internet Explorer	11+ ( Polifill needed )

License

MIT

Credits

Developed by Adson Vinicius

Name		Name	Last commit message	Last commit date
Latest commit History 33 Commits
src		src
.gitignore		.gitignore
README.md		README.md
_config.yml		_config.yml
babel.config.js		babel.config.js
index.html		index.html
package-lock.json		package-lock.json
package.json		package.json
yarn.lock		yarn.lock

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v-menu-multi-level

Table of Contents

Introduction

Features:

Definitions:

Notes

Live Demo

Installation

Basic Usage

Component Reference

Properties

Notes

Slots

Events

Default Styles

Browser Compatibility

License

Credits

About

Resources

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