probe.com.view.core.ZoomUnit.java Source code

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Here is the source code for probe.com.view.core.ZoomUnit.java

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/*
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package probe.com.view.core;

import com.vaadin.event.LayoutEvents;
import com.vaadin.ui.Component;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.VerticalLayout;

/**
 *
 * @author yfa041
 */
public class ZoomUnit extends HorizontalLayout implements LayoutEvents.LayoutClickListener {

    private final VerticalLayout zoomInBtn, zoomOutBtn, resetZoomBtn;
    private int zoomLevel = 100;
    private Component zoomedLayout;

    public ZoomUnit() {
        this.setStyleName("zoompanel");
        zoomInBtn = new VerticalLayout();
        zoomInBtn.setWidth("32px");
        zoomInBtn.setHeight("32px");
        zoomInBtn.setStyleName("zoominbtn");
        zoomInBtn.setDescription("Zoom in");
        this.addComponent(zoomInBtn);

        zoomInBtn.addLayoutClickListener(ZoomUnit.this);
        resetZoomBtn = new VerticalLayout();
        resetZoomBtn.setWidth("32px");
        resetZoomBtn.setHeight("32px");
        resetZoomBtn.setStyleName("resetzoombtn");
        resetZoomBtn.setDescription("Reset zoom");

        this.addComponent(resetZoomBtn);
        zoomOutBtn = new VerticalLayout();
        zoomOutBtn.setWidth("32px");
        zoomOutBtn.setHeight("32px");
        zoomOutBtn.setStyleName("zoomoutbtn");

        this.addComponent(zoomOutBtn);
        zoomOutBtn.addLayoutClickListener(ZoomUnit.this);
        zoomOutBtn.setDescription("Zoom out");

        this.setVisible(false);

        resetZoomBtn.addLayoutClickListener(new LayoutEvents.LayoutClickListener() {

            @Override
            public void layoutClick(LayoutEvents.LayoutClickEvent event) {
                zoomedLayout.removeStyleName("zoom" + zoomLevel);
                zoomLevel = 100;

            }
        });

    }

    @Override
    public void layoutClick(LayoutEvents.LayoutClickEvent event) {
        if (zoomedLayout != null) {
            zoomedLayout.removeStyleName("zoom" + zoomLevel);
            if (event.getComponent().getStyleName().equalsIgnoreCase("zoominbtn")) {
                zoomLevel += 25;
                zoomLevel = Math.min(zoomLevel, 300);

            } else {
                zoomLevel -= 25;
                zoomLevel = Math.max(zoomLevel, 50);
            }
            zoomedLayout.addStyleName("zoom" + zoomLevel);
        }
    }

    public void setLayout(Component layout) {
        if (zoomedLayout != null) {
            zoomedLayout.removeStyleName("zoom" + zoomLevel);
            zoomLevel = 100;
        }
        if (layout == null) {
            this.setVisible(false);
        } else {
            this.setVisible(true);
        }
        this.zoomedLayout = layout;

    }

}