flexlayout-react/lib/DockLocation.js

A multi-tab docking layout manager

import { Orientation } from "./Orientation";
import { Rect } from "./Rect";
export class DockLocation {
    /** @internal */
    static getByName(name) {
        return DockLocation.values.get(name);
    }
    /** @internal */
    static getLocation(rect, x, y) {
        x = (x - rect.x) / rect.width;
        y = (y - rect.y) / rect.height;
        if (x >= 0.25 && x < 0.75 && y >= 0.25 && y < 0.75) {
            return DockLocation.CENTER;
        }
        // Whether or not the point is in the bottom-left half of the rect
        // +-----+
        // |\    |
        // |x\   |
        // |xx\  |
        // |xxx\ |
        // |xxxx\|
        // +-----+
        const bl = y >= x;
        // Whether or not the point is in the bottom-right half of the rect
        // +-----+
        // |    /|
        // |   /x|
        // |  /xx|
        // | /xxx|
        // |/xxxx|
        // +-----+
        const br = y >= 1 - x;
        if (bl) {
            return br ? DockLocation.BOTTOM : DockLocation.LEFT;
        }
        else {
            return br ? DockLocation.RIGHT : DockLocation.TOP;
        }
    }
    /** @internal */
    constructor(_name, _orientation, _indexPlus) {
        this.name = _name;
        this.orientation = _orientation;
        this.indexPlus = _indexPlus;
        DockLocation.values.set(this.name, this);
    }
    getName() {
        return this.name;
    }
    getOrientation() {
        return this.orientation;
    }
    /** @internal */
    getDockRect(r) {
        if (this === DockLocation.TOP) {
            return new Rect(r.x, r.y, r.width, r.height / 2);
        }
        else if (this === DockLocation.BOTTOM) {
            return new Rect(r.x, r.getBottom() - r.height / 2, r.width, r.height / 2);
        }
        if (this === DockLocation.LEFT) {
            return new Rect(r.x, r.y, r.width / 2, r.height);
        }
        else if (this === DockLocation.RIGHT) {
            return new Rect(r.getRight() - r.width / 2, r.y, r.width / 2, r.height);
        }
        else {
            return r.clone();
        }
    }
    /** @internal */
    split(rect, size) {
        if (this === DockLocation.TOP) {
            const r1 = new Rect(rect.x, rect.y, rect.width, size);
            const r2 = new Rect(rect.x, rect.y + size, rect.width, rect.height - size);
            return { start: r1, end: r2 };
        }
        else if (this === DockLocation.LEFT) {
            const r1 = new Rect(rect.x, rect.y, size, rect.height);
            const r2 = new Rect(rect.x + size, rect.y, rect.width - size, rect.height);
            return { start: r1, end: r2 };
        }
        if (this === DockLocation.RIGHT) {
            const r1 = new Rect(rect.getRight() - size, rect.y, size, rect.height);
            const r2 = new Rect(rect.x, rect.y, rect.width - size, rect.height);
            return { start: r1, end: r2 };
        }
        else {
            // if (this === DockLocation.BOTTOM) {
            const r1 = new Rect(rect.x, rect.getBottom() - size, rect.width, size);
            const r2 = new Rect(rect.x, rect.y, rect.width, rect.height - size);
            return { start: r1, end: r2 };
        }
    }
    /** @internal */
    reflect() {
        if (this === DockLocation.TOP) {
            return DockLocation.BOTTOM;
        }
        else if (this === DockLocation.LEFT) {
            return DockLocation.RIGHT;
        }
        if (this === DockLocation.RIGHT) {
            return DockLocation.LEFT;
        }
        else {
            // if (this === DockLocation.BOTTOM) {
            return DockLocation.TOP;
        }
    }
    toString() {
        return "(DockLocation: name=" + this.name + ", orientation=" + this.orientation + ")";
    }
}
DockLocation.values = new Map();
DockLocation.TOP = new DockLocation("top", Orientation.VERT, 0);
DockLocation.BOTTOM = new DockLocation("bottom", Orientation.VERT, 1);
DockLocation.LEFT = new DockLocation("left", Orientation.HORZ, 0);
DockLocation.RIGHT = new DockLocation("right", Orientation.HORZ, 1);
DockLocation.CENTER = new DockLocation("center", Orientation.VERT, 0);
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