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Dragger uses isolated state for positioning

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This commit is contained in:
James Barnsley
2016-11-12 16:46:22 +13:00
parent c650a5e4ea
commit 0635eb7b1e
1 changed files with 18 additions and 3 deletions
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21
src/js/components/Dragger.js
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@ -13,6 +13,11 @@ class Dragger extends React.Component{
super(props);
this.handleMouseMove = this.handleMouseMove.bind(this)
this.handleMouseUp = this.handleMouseUp.bind(this)
this.state = {
position_x: 0,
position_y: 0
}
}
componentDidMount(){
@ -25,9 +30,19 @@ class Dragger extends React.Component{
window.removeEventListener("mouseup", this.handleMouseUp, false);
}
componentWillReceiveProps( nextProps ){
if( this.props.dragger && this.props.dragger.dragging ){
this.setState( nextProps.dragger )
}
}
handleMouseMove(e){
if( !this.props.dragger || !this.props.dragger.dragging ) return null;
this.props.uiActions.dragMove( e )
this.setState({
position_x: e.clientX,
position_y: e.clientY
})
}
handleMouseUp(e){
@ -39,8 +54,8 @@ class Dragger extends React.Component{
if( !this.props.dragger || !this.props.dragger.dragging ) return null;
var style = {
left: this.props.dragger.position_x,
top: this.props.dragger.position_y,
left: this.state.position_x,
top: this.state.position_y,
}
return (