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Move Rotate Resize Handler JavaScript

resizer.js and resizer.css

A simple javascript object that provide easy way to make any dom element resizable. It provide handles to move, resize and rotate target element.

How to install

npm install move-rotate-resizer

download from gitHub

resizer.js

resizer.min.js

resizer.css

DEMO-GH-Pages

DEMO-CodeSandBox

DEMO-CodeSandBox

How to use

import resizer from 'move-rotate-resizer';
or
import resizer from './js/resizer.min.js';
or
<link rel="stylesheet" href="resizer.css" />
<script type="text/javascript" src="resizer.js"></script>

Usase Example-1

resizer.add(document.getElementById('div1'));

Methods and Descriptions

Method Description
add(target [,options]) add target dom element to resizer. it register event listener.
remove(target) remove target dom element from resizer. it remove all event listener.
show(target) show resizer handler on target dom element by javascript code.
hide() hide resizer handler by javascript code.

Properties and Descriptions

Propery Description
target return current selected target dom element
resizer return resizer handlers dom element
hoverLine return resizer hoverLine dom element

Dom Element Attribute

Attribute Description
isLocked "true" then resize handler can not change the target position or size
isDisabled "true" then resize handler not visible

Options passed with add method

let options = {
    minWidth: 30,               // minimum width in px
    minHeight: 30,              // minimum height in px
    aspectRatio: true,          // if true width height ratio will maintain
    resizeFromCenter: false,    // if true then resize both side from center
    onDragStart: null,          // call-back function that called when dragging start
    onDragging: null,           // call-back function that called every mouse movement till mousedown
    onDragEnd: null,            // call-back function that called when mouse button is released after move
    onResizeStart: null,        // call-back function that called when any resize handler is start dragging
    onResizing: null,           // call-back function that called every mouse movement till musedown
    onResizeEnd: null,          // call-back function that called when release resize handler
    onRotateStart: null,        // call-back function that called when rotate handler is started dragging
    onRotating: null,           // call-back function that called every movement of rotate handler
    onRotateEnd: null,          // call-back function that called when release rotate handler
    onResizerShown: null,       // call-back function that called when resizer is first time shown on target
    onResizerHide: null,        // call-back function that called when resizer is hide on target
    isHideOnResize: true,       // if true then resizer will not visible at the time of dragging so that target visible clearly
    isHoverLine: true,          // if true then target element on mouse hover hoverLine visible for highlight target element
    boundWithContainer:false,   // if true/HTMLDivElement then target element can not move outside the container element.
    resizers: {
        n: true,                // top middle resize handler            true:visible|false:hidden
        s: true,                // bottom middle resize handler
        e: true,                // right middle resize handler
        w: true,                // left middle resize handler
        ne: true,               // top-right resize handler
        nw: true,               // top-left resize handler
        se: true,               // bottom-right resize handler
        sw: true,               // bottom-left resize handler
        r: true,                // rotate handler
    },
};

Note callBack function receive an props having properties

props-property description
size {left,top,width,height}
angle target element rotate angle
evtTarget resizer target element that call the callback function
handler current resize handler that is draging

Example Code

HTML

<!DOCTYPE html>
<html>
<head>
    <title>move-rotate-resize:demo</title>
    <meta charset="UTF-8" />
    <link rel="stylesheet" href="src/styles.css" />
    <link rel="stylesheet" href="/node_modules/move-rotate-resizer/resizer.css" />
</head>
<body>
    <h1>DEMO : move-rotate-resizer</h1>
    <h2>resizer.js and resizer.css</h2>
    <hr />
    <div class="container">
        <div id="div1" class="target">div1</div>
        <div id="div2" class="target">div2</div>
    </div>
</body>
</html>
<script src="src/index.js"></script>

Script [index.js]

import resizer from 'move-rotate-resizer';

document.querySelectorAll('.target').forEach((target) => {
    resizer.add(target);
});

DEMO

Example Code 2

HTML

<!DOCTYPE html>
<html>
<head>
    <title>Parcel Sandbox</title>
    <meta charset="UTF-8" />
    <link rel="stylesheet" href="./src/styles.css" />
</head>

<body>
    <div class="container">
        <div class="content">
            <div class="print-area">
                <div id="center-resize" class="target" style="left: 400px; top: 200px;" isLocked="false" isDisabled="false"> 
                    Center Resize  
                </div>
                <div id="corner-resize" class="target" style="left: 800px; top: 200px;">   
                    Corner Resize 
                </div>
                <div id="free-resize" class="target" style="left: 400px; top: 600px;">
                    Free Resize
                </div>
                <div id="bound-resize" class="target" style="left: 800px; top: 600px;">
                    Can't Move Outside
                </div>
            </div>
        </div>
    </div>

    <script src="src/index.js"></script>
</body>
</html>

Script [index.js]

import resizer from "move-rotate-resizer";

let options = {
onDragStart: function (e) {
    e.target.style.opacity = "0.8";
    e.target.style.zIndex = "999";
},
onDragging: function (e) { },
onDragEnd: function (e) {
    e.target.style.opacity = "";
    e.target.style.zIndex = "";
},
onRotateStart: function (e) {
    e.target.style.opacity = "0.8";
    e.target.style.zIndex = "999";
},
onRotating: function (e) { },
onRotateEnd: function (e) {
    e.target.style.opacity = "";
    e.target.style.zIndex = "";
},
onResizeStart: function (e) {
    e.target.style.opacity = "0.8";
    e.target.style.zIndex = "999";
},
onResizing: function (e) { },
onResizeEnd: function (e) {
    e.target.style.opacity = "";
    e.target.style.zIndex = "";
},
resizers: {
    n: true,
    s: true,
    e: true,
    w: true,
    ne: true,
    nw: true,
    se: true,
    sw: true,
    r: true
}
};
let div1 = document.querySelector("#center-resize");
resizer.add(div1, { ...options, ...{ resizeFromCenter: true } });
let div2 = document.querySelector("#corner-resize");
resizer.add(div2, { ...options, ...{} });
let div3 = document.querySelector("#free-resize");
resizer.add(div3, { ...options, ...{ aspectRatio: false } });
let div4 = document.querySelector("#bound-resize");
resizer.add(div4, { ...options, ...{ boundWithContainer: true } });

document.body.addEventListener("click", function (e) {
    resizer.hide();
});

DEMO

download css file and include in your html file.

resizer.css

Developed by Govind Gupta