huangshengbo / vue-drag-resize

Vue Component for resize and drag elements

Vue-drag-resize

Vue Component for draggable and resizable elements.

Table of Contents

• Features
• Install and basic usage
  • Props
  • Events
• Contributing
• License

Demo

Demo

Features

• A lightweight, no-dependency
• All props are reactive
• Support touch events
• Use draggable, resizable or both
• Define sticks for resizing
• Save aspect ratio for resizable components
• Restrict size and movement to parent element
• Restrict drag to vertical or horizontal axis

Install and basic usage

$ npm i -s vue-drag-resize

Register the component:

import Vue from 'vue'
import VueDragResize from 'vue-drag-resize'

Vue.component('vue-drag-resize', VueDragResize)

Use the component:

<template>
    <div id="app">
        <VueDragResize :isActive="true" :w="200" :h="200" v-on:resizing="resize" v-on:dragging="resize">
            <h3>Hello World!</h3>
            <p>{{ top }} х {{ left }} </p>
            <p>{{ width }} х {{ height }}</p>
        </VueDragResize>
    </div>
</template>

<script>
    import VueDragResize from 'vue-drag-resize';

    export default {
        name: 'app',

        components: {
            VueDragResize
        },

        data() {
            return {
                width: 0,
                height: 0,
                top: 0,
                left: 0
            }
        },

        methods: {
            resize(newRect) {
                this.width = newRect.width;
                this.height = newRect.height;
                this.top = newRect.top;
                this.left = newRect.left;
            }
        }
    }
</script>

Props

isActive

Type: Boolean
Required: false
Default: false

Determines whether the component should be active.

<vue-drag-resize :isActive="true">

preventActiveBehavior

Type: Boolean
Required: false
Default: false

Disable behavior of the component by clicking on it and clicking outside the component's area (isActive: true / false). If the prop is enabled, the component is oriented only to the specified.

<vue-drag-resize :preventActiveBehavior="true">

parentW

Type: Number
Required: false
Default: 0

Define the initial width of the parent element. If not specified it calculated automatically. With this parameter, you can set the bounding area for the component, and also it is used when resizing in real time.

<vue-drag-resize :parentW="2000">

parentH

Type: Number
Required: false
Default: 0

Define the initial height of the parent element. If not specified it calculated automatically. With this parameter, you can set the bounding area for the component, and also it is used when resizing in real time.

<vue-drag-resize :parentH="2000">

parentScaleX

Type: Number
Required: false
Default: 1

Define the initial horizontal scale or the parent element. Same value in parent's transform: scale() css definition. The drag/resize and the sticks' sizes will computed with this value.

<vue-drag-resize :parentScaleX="0.5">

parentScaleY

Type: Number
Required: false
Default: 1

Define the initial vertical scale or the parent element. Same value in parent's transform: scale() css definition. The drag/resize and the sticks' sizes will computed with this value.

<vue-drag-resize :parentScaleY="0.5">

isDraggable

Type: Boolean
Required: false
Default: true

Determines whether the component should draggable.

<vue-drag-resize :isDraggable="false">

isResizable

Type: Boolean
Required: false
Default: true

Determines whether the component should resize.

<vue-drag-resize :isResizable="false">

parentLimitation

Type: Boolean
Required: false
Default: false

Limits the scope of the component's change to its parent size.

<vue-drag-resize :parentLimitation="true">

snapToGrid

Type: Boolean
Required: false
Default: false

Determines whether the component should move and resize in predefined steps.

<vue-drag-resize :snapToGrid="true">

gridX

Type: Number
Required: false
Default: 50

Define the grid step size for the horizontal axis. Both sides of the component (left and right) will snap to this step.

<vue-drag-resize :snapToGrid="true" :gridX="20">

gridY

Type: Number
Required: false
Default: 50

Define the grid step size for the vertical axis. Both sides of the component (top and bottom) will snap to this step.

<vue-drag-resize :snapToGrid="true" :gridY="20">

aspectRatio

Type: Boolean
Required: false
Default: false

Determines whether the component should retain its proportions.

<vue-drag-resize :aspectRatio="false">

w

Type: Number
Required: false
Default: 200

Define the initial width of the component.

<vue-drag-resize :w="200">

h

Type: Number
Required: false
Default: 200

Define the initial height of the component.

<vue-drag-resize :h="200">

minw

Type: Number
Required: false
Default: 50

Define the minimal width of the component.

<vue-drag-resize :minw="50">

minh

Type: Number
Required: false
Default: 50

Define the minimal height of the component.

<vue-drag-resize :minh="50">

x

Type: Number
Required: false
Default: 0

Define the initial x position of the component.

<vue-drag-resize :x="0">

y

Type: Number
Required: false
Default: 0

Define the initial y position of the component.

<vue-drag-resize :y="0">

z

Type: Number|String
Required: false
Default: auto

Define the zIndex of the component.

<vue-drag-resize :z="999">

sticks

Type: Array
Required: false
Default: ['tl', 'tm', 'tr', 'mr', 'br', 'bm', 'bl', 'ml']

Define the array of handles to restrict the element resizing:

• tl - Top left
• tm - Top middle
• tr - Top right
• mr - Middle right
• br - Bottom right
• bm - Bottom middle
• bl - Bottom left
• ml - Middle left

<vue-drag-resize :sticks="['tm','bm','ml','mr']">

axis

Type: String
Required: false
Default: both

Define the axis on which the element is draggable. Available values are x, y, both or none.

<vue-drag-resize axis="x">

dragHandle

Type: String
Required: false

Defines the selector that should be used to drag the component.

<vue-drag-resize dragHandle=".drag">

dragCancel

Type: String
Required: false

Defines a selector that should be used to prevent drag initialization.

<vue-drag-resize dragCancel=".drag">

---

Events

clicked

Required: false
Parameters: Original event handler

Called whenever the component gets clicked.

<vue-drag-resize @clicked="onActivated">

activated

Required: false
Parameters: -

Called whenever the component gets clicked, in order to show handles.

<vue-drag-resize @activated="onActivated">

deactivated

Required: false
Parameters: -

Called whenever the user clicks anywhere outside the component, in order to deactivate it.

<vue-drag-resize @deactivated="onDeactivated">

resizing

Required: false
Parameters: object

{
    left: Number, //the X position of the component
    top: Number, //the Y position of the component
    width: Number, //the width of the component
    height: Number //the height of the component
}

Called whenever the component gets resized.

<vue-drag-resize @resizing="onResizing">

resizestop

Required: false
Parameters: object

{
    left: Number, //the X position of the component
    top: Number, //the Y position of the component
    width: Number, //the width of the component
    height: Number //the height of the component
}

Called whenever the component stops getting resized.

<vue-drag-resize @resizestop="onResizstop">

dragging

Required: false
Parameters: object

{
    left: Number, //the X position of the component
    top: Number, //the Y position of the component
    width: Number, //the width of the component
    height: Number //the height of the component
}

Called whenever the component gets dragged.

<vue-drag-resize @dragging="onDragging">

dragstop

Required: false
Parameters: object

{
    left: Number, //the X position of the component
    top: Number, //the Y position of the component
    width: Number, //the width of the component
    height: Number //the height of the component
}

Called whenever the component stops getting dragged.

<vue-drag-resize @dragstop="onDragstop">

Contributing

Any contribution to the code or any part of the documentation and any idea and/or suggestion are very welcome.

# serve with hot reload at localhost:8081
npm run start

# distribution build
npm run build

License

MIT license