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Get container position on mouse down #87 #88

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Get container position on mouse down #87 #88

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27 changes: 17 additions & 10 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -75,16 +75,7 @@ const Sortable = createReactClass({
},

componentDidUpdate() {
const container = ReactDOM.findDOMNode(this);
const rect = container.getBoundingClientRect();

const scrollTop = (doc.docElement && doc.docElement.scrollTop) || doc.body.scrollTop;
const scrollLeft = (doc.docElement && doc.docElement.scrollLeft) || doc.body.scrollLeft;

this._top = rect.top + scrollTop;
this._left = rect.left + scrollLeft;
this._bottom = this._top + rect.height;
this._right = this._left + rect.width;
this.calculateContainer();
},

componentWillReceiveProps(nextProps) {
Expand Down Expand Up @@ -170,6 +161,8 @@ const Sortable = createReactClass({
this._isReadyForDragging = true;
this._hasInitDragging = false;

// calculate container current position
this.calculateContainer();
// start listening mousemove and mouseup
this.bindEvent();
},
Expand Down Expand Up @@ -334,6 +327,20 @@ const Sortable = createReactClass({
return arr;
},

calculateContainer() {
const container = ReactDOM.findDOMNode(this);
if (!container) return;
const rect = container.getBoundingClientRect();

const scrollTop = (doc.docElement && doc.docElement.scrollTop) || doc.body.scrollTop;
const scrollLeft = (doc.docElement && doc.docElement.scrollLeft) || doc.body.scrollLeft;

this._top = rect.top + scrollTop;
this._left = rect.left + scrollLeft;
this._bottom = this._top + rect.height;
this._right = this._left + rect.width;
},

/**
* calculate new offset
* @param {object} e MouseMove event
Expand Down