A draggable and resizable grid layout for Vue.js

vue-grid-layout

vue-grid-layout is a grid layout system, like Gridster, for Vue.js. Heavily inspired in React-Grid-Layout

View demo Download Source

Projects using vue-grid-layout

Draxed

Know of others? Create a PR to let me know!

Features

Draggable widgets
Resizable widgets
Bounds checking for dragging and resizing
Widgets may be added or removed without rebuilding grid
Layout can be serialized and restored
Automatic RTL support

Getting Started

Installation

Install the vue-grid-layout package package using npm:

npm install vue-grid-layout

Usage

npm install vue-grid-layout

or include the script in your html (download from releases):

    <script src="vue-grid-layout.min.js"></script>


	var testLayout = [
	    {"x":0,"y":0,"w":2,"h":2,"i":"0"},
	    {"x":2,"y":0,"w":2,"h":4,"i":"1"},
	    {"x":4,"y":0,"w":2,"h":5,"i":"2"},
	    {"x":6,"y":0,"w":2,"h":3,"i":"3"},
	    {"x":8,"y":0,"w":2,"h":3,"i":"4"},
	    {"x":10,"y":0,"w":2,"h":3,"i":"5"},
	    {"x":0,"y":5,"w":2,"h":5,"i":"6"},
	    {"x":2,"y":5,"w":2,"h":5,"i":"7"},
	    {"x":4,"y":5,"w":2,"h":5,"i":"8"},
	    {"x":6,"y":4,"w":2,"h":4,"i":"9"},
	    {"x":8,"y":4,"w":2,"h":4,"i":"10"},
	    {"x":10,"y":4,"w":2,"h":4,"i":"11"},
	    {"x":0,"y":10,"w":2,"h":5,"i":"12"},
	    {"x":2,"y":10,"w":2,"h":5,"i":"13"},
	    {"x":4,"y":8,"w":2,"h":4,"i":"14"},
	    {"x":6,"y":8,"w":2,"h":4,"i":"15"},
	    {"x":8,"y":10,"w":2,"h":5,"i":"16"},
	    {"x":10,"y":4,"w":2,"h":2,"i":"17"},
	    {"x":0,"y":9,"w":2,"h":3,"i":"18"},
	    {"x":2,"y":6,"w":2,"h":2,"i":"19"}
	];
	
	var GridLayout = VueGridLayout.GridLayout;
	var GridItem = VueGridLayout.GridItem;
	
	new Vue({
	    el: '#app',
	    components: {
	        GridLayout,
	        GridItem,
	    },
	    data: {
	        layout: testLayout,
	    },
	});


    <grid-layout
            :layout="layout"
            :col-num="12"
            :row-height="30"
            :is-draggable="true"
            :is-resizable="true"
            :is-mirrored="false"
            :vertical-compact="true"
            :margin="[10, 10]"
            :use-css-transforms="true"
    >

        <grid-item v-for="item in layout"
                   :x="item.x"
                   :y="item.y"
                   :w="item.w"
                   :h="item.h"
                   :i="item.i">
            {{item.i}}
        </grid-item>
    </grid-layout>

Documentation

Properties

GridLayout

layout
- type: Array
- required: true
This is the initial layout of the grid.

The value must be an Array of Object items. Each item must have i, x, y, w and h proprties. Please refer to GridItem documentation below for more informations.
colNum
- type: Number
- required: false
- default: 12
Says how many columns the grid has.

The value should be a natural number.
rowHeight
- type: Number
- required: false
- default: 150
Says what is a height of a single row in pixels.
maxRows
- type: Number
- required: false
- default: Infinity
Says what is a maximal number of rows in the grid.
margin
- type: Array
- required: false
- default: [10, 10]
Says what are the margins of elements inside the grid.

The value must be a two-element Array of Number. Each value is expressed in pixels. The first element is a margin horizontally, the second element is a vertical margin.
isDraggable
- type: Boolean
- required: false
- default: true
Says if the grids items are draggable.
isResizable
- type: Boolean
- required: false
- default: true
Says if the grids items are resizable.
isMirrored
- type: Boolean
- required: false
- default: false
Says if the RTL/LTR should be reversed.
autoSize
- type: Boolean
- required: false
- default: true
Says if the container height should swells and contracts to fit contents.
verticalCompact
- type: Boolean
- required: false
- default: true
Says if the layout should be compact vertically.
useCssTransforms
- type: Boolean
- required: false
- default: true
Says if the CSS transition-property: transform; should be used.

GridItem

i
- type: String
- required: true
This is the unique identifier of the item.
x
- type: Number
- required: true
Says what is a initial horizontal position of the item (in which column it should be placed).

The value must be a whole number.
y
- type: Number
- required: true
Says what is a initial vertical position of the item (in which row it should be placed).

The value must be a whole number.
w
- type: Number
- required: true
Says what is a initial width of the item.

The value is a number that is multiplied by colWidth.
h
- type: Number
- required: true
Says what is a initial height of the item.

The value is a number that is multiplied by rowHeight.
minW
- type: Number
- required: false
- default: 1
Says what is a minimal width of the item. If w will be smaller then minW then w will be set to minW.

The value is a number that is multiplied by colWidth.
minH
- type: Number
- required: false
- default: 1
Says what is a minimal hieght of the item. If h will be smaller then minH then h will be set to minH.

The value is a number that is multiplied by rowHeight.
maxW
- type: Number
- required: false
- default: Infinity
Says what is a maximal width of the item. If w will be bigger then maxW then w will be set to maxW.

The value is a number that is multiplied by colWidth.
maxH
- type: Number
- required: false
- default: Infinity
Says what is a maximal height of the item. If h will be bigger then maxH then h will be set to maxH.

The value is a number that is multiplied by rowHeight
isDraggable
- type: Boolean
- required: false
- default: null
Says if item is draggable.

If default value is null then it's inherited from parent.
isResizable
- type: Boolean
- required: false
- default: null
Says if item is resizable.

If default value is null then it's inherited from parent.
dragIgnoreFrom
- type: String
- required: false
- default: 'a, button'
Says which elements of the item shouldn't trigger drag event of the item.

The value is css-like selector string.

For more info please refer to ignoreFrom in interact.js docs.
dragAllowFrom
- type: String
- required: false
- default: null
Says which elements of the item should trigger drag event of the item.

The value is css-like selector string.

If null then one can drag by any (excluding dragIgnoreFrom) element of the item.

For more info please refer to allowFrom in interact.js docs.
resizeIgnoreFrom
- type: String
- required: false
- default: 'a, button'
Says which elements of the item shouldn't trigger resize event of the item.

The value is css-like selector string.

For more info please refer to ignoreFrom in interact.js docs.

Events

Move and resize event listeners can be added to each grid-item, so that the parent Vue can be notified when a grid element is being moved or resized.
Moved and resized event listeners can be added, if the only notification needed is when an item is finished moving or resizing.

Working example here


    <grid-layout
            :layout="layout"
            :col-num="12"
            :row-height="30"
            :is-draggable="true"
            :is-resizable="true"
            :vertical-compact="true"
            :margin="[10, 10]"
            :use-css-transforms="true"
            @layout-updated="layoutUpdatedEvent"
    >

        <grid-item v-for="item in layout"
                   :x="item.x"
                   :y="item.y"
                   :w="item.w"
                   :h="item.h"
                   :i="item.i"
                   @resize="resizeEvent"
                   @move="moveEvent"
                   @resized="resizedEvent"
                   @moved="movedEvent">
            {{item.i}}
        </grid-item>
    </grid-layout>

layoutUpdatedEvent

Layout updated event

Every time the layout has finished updating and positions of all grid-items are recalculated

    layoutUpdatedEvent: function(newLayout){
      console.log("Updated layout: ", newLayout)
    }

moveEvent

Move event

Every time an item is being moved and changes position

    moveEvent: function(i, newX, newY){
        console.log("MOVE i=" + i + ", X=" + newX + ", Y=" + newY);
    },

resizeEvent

Resize event

Every time an item is being resized and changes size

    resizeEvent: function(i, newH, newW, newHPx, newWPx){
        console.log("RESIZE i=" + i + ", H=" + newH + ", W=" + newW + ", H(px)=" + newHPx + ", W(px)=" + newWPx);
    },

movedEvent

Moved event

Every time an item is finished being moved and changes position

    movedEvent: function(i, newX, newY){
        console.log("MOVED i=" + i + ", X=" + newX + ", Y=" + newY);
    },

resizedEvent

Resized event

Every time an item is finished being resized and changes size

    /**
     * 
     * @param i the item id/index
     * @param newH new height in grid rows 
     * @param newW new width in grid columns
     * @param newHPx new height in pixels
     * @param newWPx new width in pixels
     * 
     */
    resizedEvent: function(i, newH, newW, newHPx, newWPx){
        console.log("RESIZED i=" + i + ", H=" + newH + ", W=" + newW + ", H(px)=" + newHPx + ", W(px)=" + newWPx);
    },

Contribute

If you have a feature request, please add it as an issue or make a pull request.

TODO List

[x] Basic grid layout
[ ] Responsive
[x] Draggable grid items
[x] Resizable grid items
[ ] Static elements
[x] Min/max w/h per item