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gridstack.js

Build Status Coverage Status Dependency Status devDependency Status Stories in Ready

gridstack.js is a jQuery plugin for widget layout. This is drag-and-drop multi-column grid. It allows you to build draggable responsive bootstrap v3 friendly layouts. It also works great with knockout.js, angular.js and touch devices.

Inspired by gridster.js. Built with love.

Join gridstack.js on Slack: https://gridstackjs.troolee.com

Slack Status

Table of Contents generated with DocToc

Demo

Please visit http://troolee.github.io/gridstack.js/ for demo. Or check out these example.

Usage

Requirements

Note: You can still use underscore.js (>= 1.7.0) instead of lodash.js

Install

  • Using CDN:
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/gridstack.js/0.2.5/gridstack.min.css" />
<script type="text/javascript" src='//cdnjs.cloudflare.com/ajax/libs/gridstack.js/0.2.5/gridstack.min.js'></script>
  • Using bower:
$ bower install gridstack
  • Using npm:

NPM version

$ npm install gridstack

You can download files from dist directory as well.

Basic usage

<div class="grid-stack">
    <div class="grid-stack-item"
        data-gs-x="0" data-gs-y="0"
        data-gs-width="4" data-gs-height="2">
            <div class="grid-stack-item-content"></div>
    </div>
    <div class="grid-stack-item"
        data-gs-x="4" data-gs-y="0"
        data-gs-width="4" data-gs-height="4">
            <div class="grid-stack-item-content"></div>
    </div>
</div>

<script type="text/javascript">
$(function () {
    var options = {
        cellHeight: 80,
        verticalMargin: 10
    };
    $('.grid-stack').gridstack(options);
});
</script>

Migrating to v0.2.5

As of v0.2.5 all methods and parameters are in camel case to respect JavaScript Style Guide and Coding Conventions. All old methods and parameters are marked as deprecated and still available but a warning will be displayed in js console. They will be available until v1.0 when they will be completely removed.

API Documentation

Please check out doc/README.md for more information about gridstack.js API.

Questions and Answers

Please feel free to as a questions here in issues, using Stackoverflow or Slack chat. We will glad to answer and help you as soon as we can.

Also please check our FAQ doc/FAQ.md before asking in case the answer is already there.

< 8000 div class="markdown-heading" dir="auto">

Touch devices support

Please use jQuery UI Touch Punch to make jQuery UI Draggable/Resizable working on touch-based devices.

<script src="lodash.min.js"></script>
<script src="jquery.min.js"></script>
<script src="jquery-ui.min.js"></script>
<script src="jquery.ui.touch-punch.min.js"></script>

<script src="gridstack.js"></script>

Also alwaysShowResizeHandle option may be useful:

$(function () {
    var options = {
        alwaysShowResizeHandle: /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)
    };
    $('.grid-stack').gridstack(options);
});

Use with knockout.js

ko.components.register('dashboard-grid', {
    viewModel: {
        createViewModel: function (controller, componentInfo) {
            var ViewModel = function (controller, componentInfo) {
                var grid = null;

                this.widgets = controller.widgets;

                this.afterAddWidget = function (items) {
                    if (grid == null) {
                        grid = $(componentInfo.element).find('.grid-stack').gridstack({
                            auto: false
                        }).data('gridstack');
                    }

                    var item = _.find(items, function (i) { return i.nodeType == 1 });
                    grid.addWidget(item);
                    ko.utils.domNodeDisposal.addDisposeCallback(item, function () {
                        grid.removeWidget(item);
                    });
                };
            };

            return new ViewModel(controller, componentInfo);
        }
    },
    template:
        [
            '<div class="grid-stack" data-bind="foreach: {data: widgets, afterRender: afterAddWidget}">',
            '   <div class="grid-stack-item" data-bind="attr: {\'data-gs-x\': $data.x, \'data-gs-y\': $data.y, \'data-gs-width\': $data.width, \'data-gs-height\': $data.height, \'data-gs-auto-position\': $data.autoPosition}">',
            '       <div class="grid-stack-item-content">...</div>',
            '   </div>',
            '</div> '
        ].join('')
});

$(function () {
    var Controller = function (widgets) {
        this.widgets = ko.observableArray(widgets);
    };

    var widgets = [
        {x: 0, y: 0, width: 2, height: 2},
        {x: 2, y: 0, width: 4, height: 2},
        {x: 6, y: 0, width: 2, height: 4},
        {x: 1, y: 2, width: 4, height: 2}
    ];

    ko.applyBindings(new Controller(widgets));
});

and HTML:

<div data-bind="component: {name: 'dashboard-grid', params: $data}"></div>

See examples: example 1, example 2.

Notes: It's very important to exclude training spaces after widget template:

template:
    [
        '<div class="grid-stack" data-bind="foreach: {data: widgets, afterRender: afterAddWidget}">',
        '   <div class="grid-stack-item" data-bind="attr: {\'data-gs-x\': $data.x, \'data-gs-y\': $data.y, \'data-gs-width\': $data.width, \'data-gs-height\': $data.height, \'data-gs-auto-position\': $data.autoPosition}">',
        '       ....',
        '   </div>', // <-- NO SPACE **AFTER** </div>
        '</div> '    // <-- NO SPACE **BEFORE** </div>
    ].join('')       // <-- JOIN WITH **EMPTY** STRING

Otherwise addDisposeCallback won't work.

Use with angular.js

Please check gridstack-angular

Rails integration

For rails users, integration of gridstack.js and its dependencies can be done through gridstack-js-rails

Change grid width

To change grid width (columns count), to addition to width option, CSS rules for .grid-stack-item[data-gs-width="X"] and .grid-stack-item[data-gs-x="X"] have to be changed accordingly.

For instance for 3-column grid you need to rewrite CSS to be:

.grid-stack-item[data-gs-width="3"]  { width: 100% }
.grid-stack-item[data-gs-width="2"]  { width: 66.66666667% }
.grid-stack-item[data-gs-width="1"]  { width: 33.33333333% }

.grid-stack-item[data-gs-x="2"]  { left: 66.66666667% }
.grid-stack-item[data-gs-x="1"]  { left: 33.33333333% }

For 4-column grid it should be:

.grid-stack-item[data-gs-width="4"]  { width: 100% }
.grid-stack-item[data-gs-width="3"]  { width: 75% }
.grid-stack-item[data-gs-width="2"]  { width: 50% }
.grid-stack-item[data-gs-width="1"]  { width: 25% }

.grid-stack-item[data-gs-x="3"]  { left: 75% }
.grid-stack-item[data-gs-x="2"]  { left: 50% }
.grid-stack-item[data-gs-x="1"]  { left: 25% }

and so on.

Here is a SASS code snipped which can make life easier (Thanks to @ascendantofrain, #81):

.grid-stack-item {

    $gridstack-columns: 12;

    @for $i from 1 through $gridstack-columns {
        &[data-gs-width='#{$i}'] { width: (100% / $gridstack-columns) * $i; }
        &[data-gs-x='#{$i}'] { left: (100% / $gridstack-columns) * $i; }
        &.grid-stack-item[data-gs-min-width='#{$i}'] { min-width: (100% / $gridstack-columns) * $i; }
        &.grid-stack-item[data-gs-max-width='#{$i}'] { max-width: (100% / $gridstack-columns) * $i; }
    }
}

Or you can include gridstack-extra.css. See below for more details.

Extra CSS

There are few extra CSS batteries in gridstack-extra.css (gridstack-extra.min.css).

Different grid widths

You can use other than 12 grid width:

<div class="grid-stack grid-stack-N">...</div>
$('.grid-stack').gridstack({width: N});

See example: 2 grids demo

Save grid to array

Because gridstack doesn't track any kind of user-defined widget id there is no reason to make serialization to be part of gridstack API. To serialize grid you can simply do something like this (let's say you store widget id inside data-custom-id attribute):

var res = _.map($('.grid-stack .grid-stack-item:visible'), function (el) {
    el = $(el);
    var node = el.data('_gridstack_node');
    return {
        id: el.attr('data-custom-id'),
        x: node.x,
        y: node.y,
        width: node.width,
        height: node.height
    };
});
alert(JSON.stringify(res));

See example: Serialization demo

You can also use onchange event if you need to save only changed widgets right away they have been changed.

Load grid from array

var serialization = [
    {x: 0, y: 0, width: 2, height: 2},
    {x: 3, y: 1, width: 1, height: 2},
    {x: 4, y: 1, width: 1, height: 1},
    {x: 2, y: 3, width: 3, height: 1},
    {x: 1, y: 4, width: 1, height: 1},
    {x: 1, y: 3, width: 1, height: 1},
    {x: 2, y: 4, width: 1, height: 1},
    {x: 2, y: 5, width: 1, height: 1}
];

serialization = GridStackUI.Utils.sort(serialization);

var grid = $('.grid-stack').data('gridstack');
grid.removeAll();

_.each(serialization, function (node) {
    grid.addWidget($('<div><div class="grid-stack-item-content" /></div>'),
        node.x, node.y, node.width, node.height);
});

See example: Serialization demo

If you're using knockout there is no need for such method at all.

Override resizable/draggable options

You can override default resizable/draggable options. For instance to enable other then bottom right resizing handle you can init gridsack like:

$('.grid-stack').gridstack({
    resizable: {
        handles: 'e, se, s, sw, w'
    }
});

Note: It's not recommended to enable nw, n, ne resizing handles. Their behaviour may be unexpected.

IE8 support

Support of IE8 is quite limited and is not a goal at this time. As far as IE8 doesn't support DOM Level 2 I cannot manipulate with CSS stylesheet dynamically. As a workaround you can do the following:

  • Create gridstack-ie8.css for your configuration (sample for grid with cell height of 60px can be found here).
  • Include this CSS:
<!--[if lt IE 9]>
<link rel="stylesheet" href="gridstack-ie8.css"/>
<![endif]-->
  • You can use this python script to generate such kind of CSS:
#!/usr/bin/env python

height = 60
margin = 20
N = 100

print '.grid-stack > .grid-stack-item { min-height: %(height)spx }' % {'height': height}

for i in range(N):
	h = height * (i + 1) + margin * i
	print '.grid-stack > .grid-stack-item[data-gs-height="%(index)s"] { height: %(height)spx }' % {'index': i + 1, 'height': h}

for i in range(N):
	h = height * (i + 1) + margin * i
	print '.grid-stack > .grid-stack-item[data-gs-min-height="%(index)s"] { min-height: %(height)spx }' % {'index': i + 1, 'height': h}

for i in range(N):
	h = height * (i + 1) + margin * i
	print '.grid-stack > .grid-stack-item[data-gs-max-height="%(index)s"] { max-height: %(height)spx }' % {'index': i + 1, 'height': h}

for i in range(N):
	h = height * i + margin * i
	print '.grid-stack > .grid-stack-item[data-gs-y="%(index)s"] { top: %(height)spx }' % {'index': i , 'height': h}

There are at least two more issues with gridstack in IE8 with jQueryUI resizable (it seems it doesn't work) and droppable. If you have any suggestions about support of IE8 you are welcome here: gridstack#76

Use with require.js

If you're using require.js and a single file jQueryUI please check out this Stackoverflow question to get it working properly.

Nested grids

Gridstack may be nested. All nested grids have an additional class grid-stack-nested which is assigned automatically during initialization. See example: Nested grid demo

Resizing active grid

Resizing on-the-fly is possible, though experimental. This may be used to make gridstack responsive. gridstack will change the total number of columns and will attempt to update the width and x values of each widget to be more logical. See example: Responsive grid demo

Using AniJS

Using AniJS with gridstack is a breeze. In the following example, a listener is added that gets triggered by a widget being add 90F3 ed. See widgets wiggle! AniJS demo

The Team

gridstack.js is currently maintained by Pavel Reznikov, Dylan Weiss and Kevin Dietrich. And we appreciate all contributors for help.

Changes

v0.2.5 (2016-03-02)

  • update names to respect js naming convention.
  • cellHeight and verticalMargin can now be string (e.g. '3em', '20px') (Thanks to @jlowcs).
  • add maxWidth/maxHeight methods.
  • add enableMove/enableResize methods.
  • fix window resize issue #331.
  • add options disableDrag and disableResize.
  • fix batchUpdate/commit (Thank to @radiolips)
  • remove dependency of FontAwesome
  • RTL support
  • 'auto' value for cellHeight option
  • fix setStatic method
  • add setAnimation method to API
  • add setGridWidth method (#227)
  • add removable/removeTimeout (experimental)
  • add detachGrid parameter to destroy method (#216) (thanks @jhpedemonte)
  • add useOffset parameter to getCellFromPixel method (#237)
  • add minWidth, maxWidth, minHeight, maxHeight, id parameters to addWidget (#188)
  • add added and removed events for when a widget is added or removed, respectively. (#54)
  • add acceptWidgets parameter. Widgets can now be draggable between grids or from outside (experimental)

v0.2.4 (2016-02-15)

  • fix closure compiler/linter warnings
  • add static_grid option.
  • add min_width/min_height methods (Thanks to @cvillemure)
  • add destroy method (Thanks to @zspitzer)
  • add placeholder_text option (Thanks to @slauyama)
  • add handle_class option.
  • add make_widget method.
  • lodash v 4.x support (Thanks to @andrewr88)

v0.2.3 (2015-06-23)

  • gridstack-extra.css
  • add support of lodash.js
  • add is_area_empty method
  • nested grids
  • add batch_update/commit methods
  • add update method
  • allow to override resizable/draggable options
  • add disable/enable methods
  • add get_cell_from_pixel (thanks to @juchi)
  • AMD support
  • fix nodes sorting
  • improved touch devices support
  • add always_show_resize_handle option
  • minor fixes and improvements

v0.2.2 (2014-12-23)

  • fix grid initialization
  • add cell_height/cell_width API methods
  • fix boolean attributes (issue #31)

v0.2.1 (2014-12-09)

  • add widgets locking (issue #19)
  • add will_it_fit API method
  • fix auto-positioning (issue #20)
  • add animation (thanks to @ishields)
  • fix y coordinate calculation when dragging (issue #18)
  • fix remove_widget (issue #16)
  • minor fixes

v0.2.0 (2014-11-30)

  • add height option
  • auto-generate css rules (widgets height and top)
  • add GridStackUI.Utils.sort utility function
  • add remove_all API method
  • add resize and move API methods
  • add resizable and movable API methods
  • add data-gs-no-move attribute
  • add float option
  • fix default css rule for inner content
  • minor fixes

v0.1.0 (2014-11-18)

Very first version.

License

The MIT License (MIT)

Copyright (c) 2014-2016 Pavel Reznikov

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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gridstack.js is a jQuery plugin for widget layout

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