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Extract calculateBoundingBox

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This commit is contained in:
Jordan Eldredge 2018-06-12 20:52:08 -07:00
parent adad7e0316
commit 375d9d06c9
2 changed files with 14 additions and 9 deletions
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12
js/components/WindowManager.js
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@ -14,6 +14,7 @@ import {
import { getWindowsInfo } from "../selectors";
import { updateWindowPositions } from "../actionCreators";
import { WINDOW_HEIGHT, WINDOW_WIDTH } from "../constants";
import { calculateBoundingBox } from "../utils";
const abuts = (a, b) => {
// TODO: This is kinda a hack. They should really be touching, not just within snapping distance.
@ -74,15 +75,8 @@ class WindowManager extends React.Component {
// A layout has been suplied. We will compute the bounding box and
// center the given layout.
const info = this.props.windowsInfo;
const bounding = info.reduce(
(b, w) => ({
left: Math.min(b.left, w.x),
top: Math.min(b.top, w.y),
bottom: Math.max(b.bottom, w.y + w.height),
right: Math.max(b.right, w.x + w.width)
}),
{ top: 0, bottom: 0, left: 0, right: 0 }
);
const bounding = calculateBoundingBox(info);
const boxHeight = bounding.bottom - bounding.top;
const boxWidth = bounding.right - bounding.left;

11
js/utils.js
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@ -248,3 +248,14 @@ export const objectFilter = (obj, predicate) =>
}
return newObj;
}, {});
export const calculateBoundingBox = windows =>
windows.reduce(
(b, w) => ({
left: Math.min(b.left, w.x),
top: Math.min(b.top, w.y),
bottom: Math.max(b.bottom, w.y + w.height),
right: Math.max(b.right, w.x + w.width)
}),
{ top: 0, bottom: 0, left: 0, right: 0 }
);