102 lines
1.9 KiB
JavaScript
102 lines
1.9 KiB
JavaScript
// This module allows snapping of the size of targets during resize
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// interactions.
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import extend from "../../utils/extend.js";
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import is from "../../utils/is.js";
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import { makeModifier } from "../base.js";
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import { snap } from "./pointer.js";
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function start(arg) {
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const {
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state,
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edges
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} = arg;
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const {
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options
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} = state;
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if (!edges) {
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return null;
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}
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arg.state = {
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options: {
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targets: null,
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relativePoints: [{
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x: edges.left ? 0 : 1,
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y: edges.top ? 0 : 1
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}],
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offset: options.offset || 'self',
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origin: {
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x: 0,
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y: 0
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},
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range: options.range
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}
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};
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state.targetFields = state.targetFields || [['width', 'height'], ['x', 'y']];
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snap.start(arg);
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state.offsets = arg.state.offsets;
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arg.state = state;
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}
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function set(arg) {
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const {
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interaction,
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state,
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coords
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} = arg;
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const {
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options,
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offsets
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} = state;
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const relative = {
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x: coords.x - offsets[0].x,
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y: coords.y - offsets[0].y
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};
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state.options = extend({}, options);
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state.options.targets = [];
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for (const snapTarget of options.targets || []) {
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let target;
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if (is.func(snapTarget)) {
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target = snapTarget(relative.x, relative.y, interaction);
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} else {
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target = snapTarget;
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}
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if (!target) {
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continue;
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}
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for (const [xField, yField] of state.targetFields) {
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if (xField in target || yField in target) {
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target.x = target[xField];
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target.y = target[yField];
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break;
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}
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}
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state.options.targets.push(target);
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}
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const returnValue = snap.set(arg);
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state.options = options;
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return returnValue;
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}
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const defaults = {
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range: Infinity,
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targets: null,
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offset: null,
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endOnly: false,
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enabled: false
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};
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const snapSize = {
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start,
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set,
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defaults
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};
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export default makeModifier(snapSize, 'snapSize');
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export { snapSize };
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//# sourceMappingURL=size.js.map
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