com.vaadin.ui.renderers.ProgressBarRenderer Maven / Gradle / Ivy

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/*
 * Copyright (C) 2000-2024 Vaadin Ltd
 *
 * This program is available under Vaadin Commercial License and Service Terms.
 *
 * See  for the full
 * license.
 */
package com.vaadin.ui.renderers;

import com.vaadin.shared.ui.grid.renderers.ProgressBarRendererState;

import elemental.json.JsonValue;

/**
 * A renderer that represents double values between 0 and 1 as a graphical
 * progress bar.
 *
 * @author Vaadin Ltd
 * @since 7.4
 */
public class ProgressBarRenderer extends AbstractRenderer {

    /**
     * Creates a new text renderer.
     */
    public ProgressBarRenderer() {
        super(Double.class, null);
    }

    @Override
    public JsonValue encode(Double value) {
        if (value != null) {
            value = Math.max(Math.min(value, 1), 0);
        } else {
            value = 0d;
        }
        return super.encode(value);
    }

    @Override
    protected ProgressBarRendererState getState() {
        return (ProgressBarRendererState) super.getState();
    }

    @Override
    protected ProgressBarRendererState getState(boolean markAsDirty) {
        return (ProgressBarRendererState) super.getState(markAsDirty);
    }
}