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simplify example
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gaearon committed Feb 27, 2015
1 parent 1129ca7 commit 8bcdb95
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Showing 9 changed files with 108 additions and 118 deletions.
4 changes: 2 additions & 2 deletions examples/_dustbin-interesting/makeDustbin.js
Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ function makeDustbin(accepts) {
var dropStates = accepts.map(this.getDropState),
backgroundColor = '#222';

if (dropStates.some(s => s.isHovering)) {
if (dropStates.some(s => s.isOver)) {
backgroundColor = 'darkgreen';
} else if (dropStates.some(s => s.isDragging)) {
backgroundColor = 'darkkhaki';
Expand All @@ -56,7 +56,7 @@ function makeDustbin(accepts) {
float: 'left'
}}>

{dropStates.some(s => s.isHovering) ?
{dropStates.some(s => s.isOver) ?
'Release to drop' :
'This dustbin accepts: ' + accepts.join(', ')
}
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42 changes: 42 additions & 0 deletions examples/_dustbin-nested/Box.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,42 @@
'use strict';

var React = require('react'),
ItemTypes = require('./ItemTypes'),
{ PropTypes } = React,
{ DragDropMixin, DropEffects } = require('react-dnd');

var Box = React.createClass({
mixins: [DragDropMixin],

statics: {
configureDragDrop(register) {
register(ItemTypes.BOX, {
dragSource: {
beginDrag(component) {
return {
item: {}
};
}
}
});
}
},

render() {
var { isDragging } = this.getDragState(ItemTypes.BOX);

return (
<div {...this.dragSourceFor(ItemTypes.BOX)}
style={{
display: 'inline-block',
border: '1px dashed gray',
padding: '0.5rem',
backgroundColor: 'white'
}}>
Drag me
</div>
);
}
});

module.exports = Box;
33 changes: 17 additions & 16 deletions examples/_dustbin-nested/Container.js
Original file line number Diff line number Diff line change
@@ -1,34 +1,35 @@
'use strict';

var React = require('react'),
OuterDustbin = require('./OuterDustbin'),
InnerDustbin = require('./InnerDustbin'),
makeItem = require('../_dustbin-interesting/makeItem'),
Dustbin = require('./Dustbin'),
Box = require('./Box'),
ItemTypes = require('./ItemTypes'),
{ NativeDragItemTypes } = require('react-dnd');

var Container = React.createClass({
renderItem(name, dropType) {
var Item = makeItem(dropType);
return <Item name={name} />;
},

render() {
return (
<div>
<div style={{minHeight: '14rem', overflow: 'auto'}}>
<OuterDustbin>
<InnerDustbin />
</OuterDustbin>
<Dustbin greedy>
<Dustbin greedy>
<Dustbin greedy>
<Dustbin greedy />
</Dustbin>
</Dustbin>
</Dustbin>

<OuterDustbin checkIsHandled
stopDeepHover>
<InnerDustbin />
</OuterDustbin>
<Dustbin>
<Dustbin>
<Dustbin>
<Dustbin />
</Dustbin>
</Dustbin>
</Dustbin>
</div>

<div style={{ minHeight: '2rem' }}>
{this.renderItem('Glass', ItemTypes.GLASS)}
<Box />
</div>
</div>
);
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Original file line number Diff line number Diff line change
Expand Up @@ -5,48 +5,70 @@ var React = require('react'),
{ DragDropMixin } = require('react-dnd'),
{ PropTypes } = React;

var OuterDustbin = React.createClass({
var Dustbin = React.createClass({
mixins: [DragDropMixin],

propTypes: {
greedy: PropTypes.bool
},

getInitialState() {
return {
lastDroppedItem: null
didDrop: null,
didDropOnCurrent: null
};
},

statics: {
configureDragDrop(register) {
var dropTarget = {
enter() {
// TODO
},

over() {
// TODO
},

leave() {
// TODO
},

acceptDrop(component, item, e, isHandled) {
if (component.props.checkIsHandled && isHandled) {
return false;
if (!component.props.greedy && isHandled) {
return;
}

component.setState({
lastDroppedItem: item
didDrop: true,
didDropOnCurrent: !isHandled
});
}
};

register(ItemTypes.GLASS, {
register(ItemTypes.BOX, {
dropTarget: dropTarget
});
}
},

render() {
var dropStates = [ItemTypes.GLASS].map(this.getDropState),
var { isOver, isOverCurrent, isDragging } = this.getDropState(ItemTypes.BOX),
{ greedy } = this.props,
{ didDrop, didDropOnCurrent } = this.state,
backgroundColor = 'rgba(0, 0, 0, .5)',
prop = this.props.stopDeepHover ? 'isOverCurrent' : 'isHovering';
text = greedy ? 'greedy' : 'lazy';

if (dropStates.some(s => s[prop])) {
if (isOverCurrent || isOver && greedy) {
backgroundColor = 'darkgreen';
} else if (dropStates.some(s => s.isDragging)) {
text = greedy ? 'active (greedy)' : 'active (lazy)';
} else if (isDragging) {
backgroundColor = 'darkkhaki';
text = 'dragging';
}

return (
<div {...this.dropTargetFor.apply(this, [ItemTypes.GLASS])}
<div {...this.dropTargetFor(ItemTypes.BOX)}
style={{
border: '2px solid green',
minHeight: '12rem',
Expand All @@ -59,13 +81,10 @@ var OuterDustbin = React.createClass({
float: 'left'
}}>

{dropStates.some(s => s.isHovering) ?
'Release to drop' :
'This dustbin accepts: ' + [ItemTypes.GLASS].join(', ')
}
{text}

{this.state.lastDroppedItem &&
<p>Last dropped: {JSON.stringify(this.state.lastDroppedItem)}</p>
{didDrop &&
<span> &middot; did drop {didDropOnCurrent && ' (on current)'}</span>
}

<div>
Expand All @@ -76,4 +95,4 @@ var OuterDustbin = React.createClass({
}
});

module.exports = OuterDustbin;
module.exports = Dustbin;
70 changes: 0 additions & 70 deletions examples/_dustbin-nested/InnerDustbin.js

This file was deleted.

4 changes: 1 addition & 3 deletions examples/_dustbin-nested/ItemTypes.js
Original file line number Diff line number Diff line change
@@ -1,7 +1,5 @@
'use strict';

module.exports = {
FOOD: 'food',
GLASS: 'glass',
PAPER: 'paper'
BOX: 'box'
};
4 changes: 2 additions & 2 deletions examples/_dustbin-simple/Dustbin.js
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ var Dustbin = React.createClass({
var dropState = this.getDropState(ItemTypes.ITEM),
backgroundColor = '#222';

if (dropState.isHovering) {
if (dropState.isOver) {
backgroundColor = 'darkgreen';
} else if (dropState.isDragging) {
backgroundColor = 'darkkhaki';
Expand All @@ -40,7 +40,7 @@ var Dustbin = React.createClass({
textAlign: 'center'
}}>

{dropState.isHovering ?
{dropState.isOver ?
'Release to drop' :
'Drag item here'
}
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9 changes: 4 additions & 5 deletions examples/index.js
Original file line number Diff line number Diff line change
Expand Up @@ -7,19 +7,18 @@ var React = require('react'),
DragAroundCustom = require('./_drag-around-custom/index'),
DustbinSimple = require('./_dustbin-simple'),
DustbinInteresting = require('./_dustbin-interesting'),
SortableSimple = require('./_sortable-simple'),
NestedDropzones = require('./_dustbin-nested');
DustbinNested = require('./_dustbin-nested'),
SortableSimple = require('./_sortable-simple');

var App = React.createClass({
render() {
return (
<div>
<h1>react-dnd examples (<a target='_href' href='https://github.com/gaearon/react-dnd/blob/master/examples'>source</a>)</h1>
<ul>
<li>Dustbin (<Link to='dustbin-simple'>simple</Link>, <Link to='dustbin-interesting'>interesting</Link>)</li>
<li>Dustbin (<Link to='dustbin-simple'>simple</Link>, <Link to='dustbin-interesting'>interesting</Link>, <Link to='dustbin-nested'>nested</Link>)</li>
<li>Drag Around (<Link to='drag-around-naive'>naive</Link>, <Link to='drag-around-custom'>custom</Link>)</li>
<li>Sortable (<Link to='sortable-simple'>simple</Link>)</li>
<li>Nested dropzones (<Link to='nested-dropzones'>nested dropzones</Link>)</li>
</ul>
<hr />
<RouteHandler />
Expand All @@ -35,7 +34,7 @@ var routes = (
<Route name='dustbin-simple' path='dustbin-simple' handler={DustbinSimple} />
<Route name='dustbin-interesting' path='dustbin-interesting' handler={DustbinInteresting} />
<Route name='sortable-simple' path='sortable-simple' handler={SortableSimple} />
<Route name='nested-dropzones' path='nested-dropzones' handler={NestedDropzones} />
<Route name='dustbin-nested' path='dustbin-nested' handler={DustbinNested} />
<Redirect from='/' to='dustbin-simple' />
</Route>
);
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5 changes: 3 additions & 2 deletions modules/utils/createDragDropMixin.js
Original file line number Diff line number Diff line change
Expand Up @@ -132,11 +132,12 @@ function createDragDropMixin(backend) {
checkDropTargetDefined(this, type);

var isDragging = this.getActiveDropTargetType() === type,
isHovering = !!this.state.currentDropEffect;
isOver = !!this.state.currentDropEffect;

return {
isDragging: isDragging,
isHovering: isDragging && isHovering
isOver: isDragging && isOver,
isOverCurrent: false // TODO
};
},

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