ItemizedOverlayControlView.java

// Created by plusminus on 22:59:38 - 12.09.2008
package org.mozilla.osmdroid.views.overlay;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ImageButton;
import android.widget.LinearLayout;

import org.mozilla.osmdroid.DefaultResourceProxyImpl;
import org.mozilla.osmdroid.ResourceProxy;

public class ItemizedOverlayControlView extends LinearLayout {

    // ===========================================================
    // Constants
    // ===========================================================

    // ===========================================================
    // Fields
    // ===========================================================

    protected ImageButton mPreviousButton;
    protected ImageButton mNextButton;
    protected ImageButton mCenterToButton;
    protected ImageButton mNavToButton;

    protected ItemizedOverlayControlViewListener mLis;

    // ===========================================================
    // Constructors
    // ===========================================================

    public ItemizedOverlayControlView(final Context context,
                                      final AttributeSet attrs) {
        this(context, attrs, new DefaultResourceProxyImpl(context));
    }

    public ItemizedOverlayControlView(final Context context,
                                      final AttributeSet attrs, final ResourceProxy pResourceProxy) {
        super(context, attrs);

        this.mPreviousButton = new ImageButton(context);
        this.mPreviousButton
                .setImageBitmap(pResourceProxy.getBitmap(ResourceProxy.bitmap.previous));

        this.mNextButton = new ImageButton(context);
        this.mNextButton.setImageBitmap(pResourceProxy.getBitmap(ResourceProxy.bitmap.next));

        this.mCenterToButton = new ImageButton(context);
        this.mCenterToButton.setImageBitmap(pResourceProxy.getBitmap(ResourceProxy.bitmap.center));

        this.mNavToButton = new ImageButton(context);
        this.mNavToButton
                .setImageBitmap(pResourceProxy.getBitmap(ResourceProxy.bitmap.navto_small));

        this.addView(mPreviousButton, new LayoutParams(
                android.view.ViewGroup.LayoutParams.WRAP_CONTENT,
                android.view.ViewGroup.LayoutParams.WRAP_CONTENT));
        this.addView(mCenterToButton, new LayoutParams(
                android.view.ViewGroup.LayoutParams.WRAP_CONTENT,
                android.view.ViewGroup.LayoutParams.WRAP_CONTENT));
        this.addView(mNavToButton, new LayoutParams(
                android.view.ViewGroup.LayoutParams.WRAP_CONTENT,
                android.view.ViewGroup.LayoutParams.WRAP_CONTENT));
        this.addView(mNextButton, new LayoutParams(
                android.view.ViewGroup.LayoutParams.WRAP_CONTENT,
                android.view.ViewGroup.LayoutParams.WRAP_CONTENT));

        initViewListeners();
    }

    // ===========================================================
    // Getter & Setter
    // ===========================================================

    public void setItemizedOverlayControlViewListener(final ItemizedOverlayControlViewListener lis) {
        this.mLis = lis;
    }

    public void setNextEnabled(final boolean pEnabled) {
        this.mNextButton.setEnabled(pEnabled);
    }

    public void setPreviousEnabled(final boolean pEnabled) {
        this.mPreviousButton.setEnabled(pEnabled);
    }

    public void setNavToVisible(final int pVisibility) {
        this.mNavToButton.setVisibility(pVisibility);
    }

    // ===========================================================
    // Methods from SuperClass/Interfaces
    // ===========================================================

    // ===========================================================
    // Methods
    // ===========================================================

    private void initViewListeners() {
        this.mNextButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(final View v) {
                if (ItemizedOverlayControlView.this.mLis != null) {
                    ItemizedOverlayControlView.this.mLis.onNext();
                }
            }
        });

        this.mPreviousButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(final View v) {
                if (ItemizedOverlayControlView.this.mLis != null) {
                    ItemizedOverlayControlView.this.mLis.onPrevious();
                }
            }
        });

        this.mCenterToButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(final View v) {
                if (ItemizedOverlayControlView.this.mLis != null) {
                    ItemizedOverlayControlView.this.mLis.onCenter();
                }
            }
        });

        this.mNavToButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(final View v) {
                if (ItemizedOverlayControlView.this.mLis != null) {
                    ItemizedOverlayControlView.this.mLis.onNavTo();
                }
            }
        });
    }

    // ===========================================================
    // Inner and Anonymous Classes
    // ===========================================================

    public interface ItemizedOverlayControlViewListener {
        public void onPrevious();

        public void onNext();

        public void onCenter();

        public void onNavTo();
    }
}