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//React utils. For other utilities, see ../utils.js
var Splitter = React.createClass({
getDefaultProps: function () {
return {
axis: "x"
};
},
getInitialState: function () {
return {
applied: false,
startX: false,
startY: false
};
},
onMouseDown: function (e) {
this.setState({
startX: e.pageX,
startY: e.pageY
});
window.addEventListener("mousemove", this.onMouseMove);
window.addEventListener("mouseup", this.onMouseUp);
// Occasionally, only a dragEnd event is triggered, but no mouseUp.
window.addEventListener("dragend", this.onDragEnd);
},
onDragEnd: function () {
this.getDOMNode().style.transform = "";
window.removeEventListener("dragend", this.onDragEnd);
window.removeEventListener("mouseup", this.onMouseUp);
window.removeEventListener("mousemove", this.onMouseMove);
},
onMouseUp: function (e) {
this.onDragEnd();
var node = this.getDOMNode();
var prev = node.previousElementSibling;
var next = node.nextElementSibling;
var dX = e.pageX - this.state.startX;
var dY = e.pageY - this.state.startY;
var flexBasis;
if (this.props.axis === "x") {
flexBasis = prev.offsetWidth + dX;
} else {
flexBasis = prev.offsetHeight + dY;
}
prev.style.flex = "0 0 " + Math.max(0, flexBasis) + "px";
next.style.flex = "1 1 auto";
this.setState({
applied: true
});
},
onMouseMove: function (e) {
var dX = 0, dY = 0;
if (this.props.axis === "x") {
dX = e.pageX - this.state.startX;
} else {
dY = e.pageY - this.state.startY;
}
this.getDOMNode().style.transform = "translate(" + dX + "px," + dY + "px)";
},
reset: function (willUnmount) {
if (!this.state.applied) {
return;
}
var node = this.getDOMNode();
var prev = node.previousElementSibling;
var next = node.nextElementSibling;
prev.style.flex = "";
next.style.flex = "";
if (!willUnmount) {
this.setState({
applied: false
});
}
},
componentWillUnmount: function () {
this.reset(true);
},
render: function () {
var className = "splitter";
if (this.props.axis === "x") {
className += " splitter-x";
} else {
className += " splitter-y";
}
return (
<div className={className}>
<div onMouseDown={this.onMouseDown} draggable="true"></div>
</div>
);
}
});
function getCookie(name) {
var r = document.cookie.match("\\b" + name + "=([^;]*)\\b");
return r ? r[1] : undefined;
}
var xsrf = $.param({_xsrf: getCookie("_xsrf")});
//Tornado XSRF Protection.
$.ajaxPrefilter(function(options){
if(options.type === "post" && options.url[0] === "/"){
if(options.data){
options.data += ("&" + xsrf);
} else {
options.data = xsrf;
}
}
});
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