File size: 1,683 Bytes
97420cf | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | import paper from '@turbowarp/paper';
import {isBoundsItem, getRootItem} from './item';
import {hoverBounds, hoverItem} from './guides';
import {isGroupChild} from './group';
import {sortItemsByZIndex} from './math';
/**
* @param {!MouseEvent} event mouse event
* @param {?object} hitOptions hit options to use
* @param {?boolean} subselect Whether items within groups can be hovered. If false, the
* entire group should be hovered.
* @return {paper.Item} the hovered item or null if there is none
*/
const getHoveredItem = function (event, hitOptions, subselect) {
const oldMatch = hitOptions.match;
hitOptions.match = hitResult => {
if (hitResult.item.data && hitResult.item.data.noHover) return false;
return oldMatch ? oldMatch(hitResult) : true;
};
const hitResults = paper.project.hitTestAll(event.point, hitOptions);
if (hitResults.length === 0) {
return null;
}
// Get highest z-index result
let hitResult;
for (const result of hitResults) {
if (!hitResult || sortItemsByZIndex(hitResult.item, result.item) < 0) {
hitResult = result;
}
}
const item = hitResult.item;
// If the hovered item is already selected, then there should be no hovered item.
if (!item || item.selected) {
return null;
}
let hoverGuide;
if (isBoundsItem(item)) {
hoverGuide = hoverBounds(item);
} else if (!subselect && isGroupChild(item)) {
hoverGuide = hoverBounds(getRootItem(item));
} else {
hoverGuide = hoverItem(item);
}
hoverGuide.data.hitResult = hitResult;
return hoverGuide;
};
export {
getHoveredItem
};
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