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ember-drag-sort with Ember Data and rowOrder
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import Ember from 'ember' | |
export default Ember.Component.extend({ | |
classNames: ['the-item'], | |
}) |
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import Ember from 'ember' | |
export default Ember.Controller.extend({ | |
actions : { | |
dragEnd ({sourceList, sourceIndex, targetList, targetIndex}) { | |
if (sourceList === targetList && sourceIndex === targetIndex) return | |
const draggedItem = sourceList.objectAt(sourceIndex) | |
// Updating rowOrder of items in source list | |
sourceList | |
.slice(sourceIndex + 1) | |
.forEach(item => { | |
const rowOrder = item.get('rowOrder') | |
item.set('rowOrder', rowOrder - 1) | |
}) | |
// Updating rowOrder of items in target list | |
targetList | |
.slice(targetIndex) | |
.forEach(item => { | |
const rowOrder = item.get('rowOrder') | |
item.set('rowOrder', rowOrder + 1) | |
}) | |
// Updating rowOrder of dragged item | |
draggedItem.set('rowOrder', targetIndex) | |
// Moving dragged item into the target list | |
// We can't do it directly because the list is a derived one, | |
// so we need to access the original list using a hack from the model | |
targetList | |
.__parent__ | |
.get('children') | |
.addObject(draggedItem) | |
// Note, that we don't need to remove the item from the source list. | |
// Ember Data does this automatically because our relationship is | |
// two-way. | |
}, | |
}, | |
}) |
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import Model from "ember-data/model" | |
import attr from "ember-data/attr" | |
import { belongsTo, hasMany } from "ember-data/relationships" | |
export default Model.extend({ | |
rowOrder: attr('number'), | |
parent: belongsTo('item', {inverse: 'children', async: false}), | |
children: hasMany('item', {inverse: 'parent', async: false}), | |
childrenSortOrder: ['rowOrder:asc'], | |
childrenSorted: Ember.computed.sort('children', 'childrenSortOrder'), | |
childrenSortedBound: Ember.computed('childrenSorted.[]', function () { | |
const children = this.get('childrenSorted').slice() // Making a shallow copy of the array, because CPs should never have side effects | |
children.__parent__ = this | |
return children | |
}) | |
}) |
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import Ember from 'ember' | |
const payload = { | |
data: [ | |
{ | |
type: 'item', | |
id: '0', | |
attributes: { rowOrder: 0 }, | |
relationships: { | |
parent: { data: { type: 'item', id: '0' } }, | |
children: { | |
data: [ | |
{type: 'item', id: '1'}, | |
{type: 'item', id: '4'}, | |
] | |
} | |
} | |
}, | |
{ | |
type: 'item', | |
id: '1', | |
attributes: { rowOrder: 0 }, | |
relationships: { | |
parent: { data: { type: 'item', id: '0' } }, | |
children: { | |
data: [ | |
{type: 'item', id: '2'}, | |
{type: 'item', id: '3'}, | |
] | |
} | |
} | |
}, | |
{ | |
type: 'item', | |
id: '2', | |
attributes: { rowOrder: 0 }, | |
relationships: { | |
parent: { data: { type: 'item', id: '1' } }, | |
children: { | |
data: [] | |
} | |
} | |
}, | |
{ | |
type: 'item', | |
id: '3', | |
attributes: { rowOrder: 1 }, | |
relationships: { | |
parent: { data: { type: 'item', id: '1' } }, | |
children: { | |
data: [] | |
} | |
} | |
}, | |
{ | |
type: 'item', | |
id: '4', | |
attributes: { rowOrder: 1 }, | |
relationships: { parent: { data: { type: 'item', id: '0' } }, | |
children: { | |
data: [ | |
{type: 'item', id: '5'}, | |
{type: 'item', id: '6'}, | |
] | |
} | |
} | |
}, | |
{ | |
type: 'item', | |
id: '5', | |
attributes: { rowOrder: 0 }, | |
relationships: { | |
parent: { data: { type: 'item', id: '4' } }, | |
children: { | |
data: [] | |
} | |
} | |
}, | |
{ | |
type: 'item', | |
id: '6', | |
attributes: { rowOrder: 1 }, | |
relationships: { | |
parent: { data: { type: 'item', id: '4' } }, | |
children: { | |
data: [] | |
} | |
} | |
}, | |
], | |
} | |
export default Ember.Route.extend({ | |
model () { | |
const store = this.get('store') | |
store.push(payload) | |
return store.peekRecord('item', '0') | |
} | |
}) |
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body { | |
margin: 12px 16px; | |
font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; | |
font-size: 12pt; | |
} | |
.the-item { | |
margin: 4px; | |
padding: 1em; | |
border: 1px solid black; | |
display: flex; | |
} | |
.the-item-title { | |
flex-shrink: 0; | |
flex-grow: 0; | |
width: 100px; | |
} | |
.the-item .dragSortList { | |
flex-shrink: 0; | |
flex-grow: 1; | |
} | |
.the-item .dragSortList.-isExpanded { | |
padding-top: 55px; | |
} | |
.the-item .dragSortList.-isDragging { | |
outline: 2px dashed black; | |
background-color: deepskyblue; | |
} | |
.the-item .dragSortList.-isExpanded.-isDraggingOver:before { | |
top: 15px; | |
} | |
.the-item { | |
background-color : #FFD0E9; | |
} | |
.the-item .the-item { | |
background-color: #FFAAD7; | |
} | |
.the-item .the-item .the-item { | |
background-color: #FF8CC9; | |
} | |
.the-item .the-item .the-item .the-item { | |
background-color: #FF74BD; | |
} | |
.the-item .the-item .the-item .the-item .the-item { | |
background-color: #FF60B4; | |
} | |
.the-item .the-item .the-item .the-item .the-item .the-item { | |
background-color: #FF50AD; | |
} |
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{ | |
"version": "0.12.1", | |
"EmberENV": { | |
"FEATURES": {} | |
}, | |
"options": { | |
"use_pods": false, | |
"enable-testing": false | |
}, | |
"dependencies": { | |
"jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js", | |
"ember": "2.12.0", | |
"ember-template-compiler": "2.12.0", | |
"ember-testing": "2.12.0" | |
}, | |
"addons": { | |
"ember-data": "2.12.1", | |
"ember-drag-sort": "1.0.2", | |
"ember-truth-helpers": "2.0.0" | |
} | |
} |
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