SpoutViewPopup.java

package me.desht.scrollingmenusign.spout;

import me.desht.dhutils.Debugger;
import me.desht.scrollingmenusign.ScrollingMenuSign;
import me.desht.scrollingmenusign.views.SMSPopup;
import me.desht.scrollingmenusign.views.SMSSpoutView;
import org.getspout.spoutapi.gui.GenericLabel;
import org.getspout.spoutapi.gui.Label;
import org.getspout.spoutapi.gui.Screen;
import org.getspout.spoutapi.gui.WidgetAnchor;
import org.getspout.spoutapi.player.SpoutPlayer;

public class SpoutViewPopup extends SMSGenericPopup implements SMSPopup {
    private static final int LIST_WIDTH_HEIGHT = 200;
    private static final int TITLE_HEIGHT = 15;
    private static final int TITLE_WIDTH = 100;

    private final Label title;
    private final SMSSpoutView view;
    private final SMSListWidget listWidget;
    private final SMSListTexture texture;
    private final SpoutPlayer sp;

    private boolean poppedUp;

    public SpoutViewPopup(SpoutPlayer sp, SMSSpoutView view) {
        this.sp = sp;
        this.view = view;
        this.poppedUp = false;

        Screen mainScreen = sp.getMainScreen();

        title = new GenericLabel(view.doVariableSubstitutions(sp, view.getActiveMenu(sp).getTitle()));
        title.setX((mainScreen.getWidth() - TITLE_WIDTH) / 2).setY(15).setWidth(TITLE_WIDTH).setHeight(TITLE_HEIGHT);
        title.setAnchor(WidgetAnchor.TOP_LEFT);
        title.setAuto(false);
        rejustify();

        int listX = (mainScreen.getWidth() - LIST_WIDTH_HEIGHT) / 2;
        int listY = 5 + 2 + TITLE_HEIGHT;

        texture = new SMSListTexture(this);

        listWidget = new SMSListWidget(sp, view);
        listWidget.setX(listX).setY(listY).setWidth(LIST_WIDTH_HEIGHT).setHeight(LIST_WIDTH_HEIGHT);

        this.attachWidget(ScrollingMenuSign.getInstance(), title);
        texture.setX(listX).setY(listY).setWidth(LIST_WIDTH_HEIGHT).setHeight(LIST_WIDTH_HEIGHT);
        this.attachWidget(ScrollingMenuSign.getInstance(), texture);
        this.attachWidget(ScrollingMenuSign.getInstance(), listWidget);
    }

    /* (non-Javadoc)
     * @see me.desht.scrollingmenusign.spout.SMSPopup#getView()
     */
    @Override
    public SMSSpoutView getView() {
        return view;
    }

    /* (non-Javadoc)
     * @see me.desht.scrollingmenusign.spout.SMSPopup#isPoppedUp()
     */
    @Override
    public boolean isPoppedUp() {
        return poppedUp;
    }

    /* (non-Javadoc)
     * @see me.desht.scrollingmenusign.spout.SMSPopup#repaint()
     */
    @Override
    public void repaint() {
        title.setText(view.doVariableSubstitutions(sp, view.getActiveMenuTitle(sp)));
        rejustify();
        texture.updateURL();
        listWidget.repaint();
    }

    /* (non-Javadoc)
     * @see me.desht.scrollingmenusign.spout.SMSPopup#popup()
     */
    @Override
    public void popup() {
        poppedUp = true;
        sp.getMainScreen().attachPopupScreen(this);
    }

    /* (non-Javadoc)
     * @see me.desht.scrollingmenusign.spout.SMSPopup#popdown()
     */
    @Override
    public void popdown() {
        poppedUp = false;
        sp.getMainScreen().closePopup();
    }

    private void rejustify() {
        switch (getView().getTitleJustification()) {
            case LEFT:
                title.setAlign(WidgetAnchor.CENTER_LEFT);
                break;
            case RIGHT:
                title.setAlign(WidgetAnchor.CENTER_LEFT);
                break;
            case CENTER:
            default:
                title.setAlign(WidgetAnchor.CENTER_LEFT);
                break;
        }
    }

    /* (non-Javadoc)
     * @see me.desht.scrollingmenusign.spout.SMSPopup#scrollTo(int)
     */
    public void scrollTo(int scrollPos) {
        listWidget.setSelection(scrollPos - 1);

        Debugger.getInstance().debug("Spout view " + getView().getName() + ": scroll to " + scrollPos + ": " + listWidget.getSelectedItem().getTitle());
    }

    /**
     * This is used when the view is scrolled by a Spout keypress.  When that happens a new item
     * becomes selected; we need to distinguish that from an item being selected by a mouse click.
     */
    public void ignoreNextSelection() {
        listWidget.ignoreNextSelection(true);
    }
}