@amcharts/amcharts5/.internal/core/render/VerticalLayout.js

amCharts 5

import { Layout, eachChildren } from "./Layout";
import * as $type from "../util/Type";
import { Percent } from "../util/Percent";
/**
 * A vertical children layout for [[Container]].
 *
 * @see {@link https://www.amcharts.com/docs/v5/concepts/common-elements/containers/#Layout} for more info
 */
export class VerticalLayout extends Layout {
    /**
     * @ignore
     */
    updateContainer(container) {
        let paddingTop = container.get("paddingTop", 0);
        let availableHeight = container.innerHeight();
        let totalPercent = 0;
        eachChildren(container, (child) => {
            if (child.isVisible()) {
                if (child.get("position") == "relative") {
                    let childHeight = child.get("height");
                    if (childHeight instanceof Percent) {
                        totalPercent += childHeight.value;
                        let h = availableHeight * childHeight.value;
                        let minHeight = child.get("minHeight", child.getPrivate("minHeight", -Infinity));
                        if (minHeight > h) {
                            availableHeight -= minHeight;
                            totalPercent -= childHeight.value;
                        }
                        let maxHeight = child.get("maxHeight", child.getPrivate("maxHeight", Infinity));
                        if (h > maxHeight) {
                            availableHeight -= maxHeight;
                            totalPercent -= childHeight.value;
                        }
                    }
                    else {
                        if (!$type.isNumber(childHeight)) {
                            childHeight = child.height();
                        }
                        availableHeight -= childHeight + child.get("marginTop", 0) + child.get("marginBottom", 0);
                    }
                }
            }
        });
        if (availableHeight <= 0 || availableHeight == Infinity) {
            availableHeight = .1;
        }
        //if (availableHeight > 0) {
        eachChildren(container, (child) => {
            if (child.isVisible()) {
                if (child.get("position") == "relative") {
                    let childHeight = child.get("height");
                    if (childHeight instanceof Percent) {
                        let privateHeight = availableHeight * childHeight.value / totalPercent - child.get("marginTop", 0) - child.get("marginBottom", 0);
                        let minHeight = child.get("minHeight", child.getPrivate("minHeight", -Infinity));
                        let maxHeight = child.get("maxHeight", child.getPrivate("maxHeight", Infinity));
                        privateHeight = Math.min(Math.max(minHeight, privateHeight), maxHeight);
                        child.setPrivate("height", privateHeight);
                    }
                    else {
                        if (child._prevSettings.height instanceof Percent) {
                            child.setPrivate("height", undefined);
                        }
                    }
                }
            }
        });
        //}
        let prevY = paddingTop;
        eachChildren(container, (child) => {
            if (child.get("position") == "relative") {
                if (child.isVisible()) {
                    let bounds = child.adjustedLocalBounds();
                    let marginTop = child.get("marginTop", 0);
                    let top = bounds.top;
                    let bottom = bounds.bottom;
                    let maxHeight = child.get("maxHeight");
                    if (maxHeight) {
                        if (bottom - top > maxHeight) {
                            bottom = top + maxHeight;
                        }
                    }
                    let marginBottom = child.get("marginBottom", 0);
                    let y = prevY + marginTop - top;
                    child.setPrivate("y", y);
                    prevY = y + bottom + marginBottom;
                }
                else {
                    child.setPrivate("y", undefined);
                }
            }
        });
    }
}
VerticalLayout.className = "VerticalLayout";
VerticalLayout.classNames = Layout.classNames.concat([VerticalLayout.className]);
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