net.bible.android.view.activity.base.actionbar.Title.java Source code

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Here is the source code for net.bible.android.view.activity.base.actionbar.Title.java

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package net.bible.android.view.activity.base.actionbar;

import net.bible.android.activity.R;
import net.bible.android.view.activity.base.CurrentActivityHolder;
import net.bible.service.common.CommonUtils;
import net.bible.service.common.TitleSplitter;

import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.StringUtils;

import android.app.Activity;
import android.support.v7.app.ActionBar;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.TextView;

/** 
 * Show current verse/key and document on left of actionBar
 * 
 * @author Martin Denham [mjdenham at gmail dot com]
 * @see gnu.lgpl.License for license details.<br>
 *      The copyright to this program is held by it's author.
 */
public abstract class Title {

    private ActionBar actionBar;
    private Activity activity;

    private TextView documentTitle;
    private TextView documentSubtitle;
    private TextView pageTitle;
    private TextView pageSubtitle;

    private static final TitleSplitter titleSplitter = new TitleSplitter();

    abstract protected String[] getDocumentTitleParts();

    abstract protected String[] getPageTitleParts();

    abstract protected void onDocumentTitleClick();

    abstract protected void onPageTitleClick();

    private static final String TAG = "Title";

    public void addToBar(ActionBar actionBar, final Activity activity) {
        this.actionBar = actionBar;
        this.activity = activity;

        actionBar.setCustomView(R.layout.title);

        documentTitle = (TextView) actionBar.getCustomView().findViewById(R.id.documentTitle);
        documentSubtitle = (TextView) actionBar.getCustomView().findViewById(R.id.documentSubtitle);
        pageTitle = (TextView) actionBar.getCustomView().findViewById(R.id.pageTitle);
        pageSubtitle = (TextView) actionBar.getCustomView().findViewById(R.id.pageSubtitle);

        // clicking document title shows document selector
        ViewGroup documentTitleContainer = (ViewGroup) actionBar.getCustomView()
                .findViewById(R.id.documentTitleContainer);
        documentTitleContainer.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                onDocumentTitleClick();
            }
        });

        // clicking page title shows appropriate key selector
        ViewGroup pageTitleContainer = (ViewGroup) actionBar.getCustomView().findViewById(R.id.pageTitleContainer);
        pageTitleContainer.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                onPageTitleClick();
            }
        });

        actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_SHOW_HOME);

        update(true);

        // do not display the app icon in the actionbar
        actionBar.setDisplayShowHomeEnabled(false);
    }

    public void update() {
        // update everything if called externally
        update(true);
    }

    protected void update(final boolean everything) {
        CurrentActivityHolder.getInstance().runOnUiThread(new Runnable() {
            @Override
            public void run() {
                if (actionBar != null) {
                    // always update verse number
                    String[] pageParts = getTwoPageTitleParts();
                    if (pageParts.length > 0)
                        pageTitle.setText(pageParts[0]);
                    if (pageParts.length > 1)
                        pageSubtitle.setText(pageParts[1]);
                    pageSubtitle.setVisibility(pageParts.length > 1 ? View.VISIBLE : View.GONE);

                    // don't always need to redisplay document name
                    if (everything) {
                        String[] documentParts = getTwoDocumentTitleParts();
                        if (documentParts.length > 0)
                            documentTitle.setText(documentParts[0]);
                        if (documentParts.length > 1)
                            documentSubtitle.setText(documentParts[1]);
                        documentSubtitle.setVisibility(documentParts.length > 1 ? View.VISIBLE : View.GONE);
                    }
                }
            }
        });
    }

    protected Activity getActivity() {
        return activity;
    }

    private String[] getTwoPageTitleParts() {
        try {
            return unsplitIfLandscape(getPageTitleParts());
        } catch (Exception e) {
            Log.e(TAG, "Error getting reading plan title", e);
            return new String[] { "", "" };
        }
    }

    private String[] getTwoDocumentTitleParts() {
        try {
            return unsplitIfLandscape(getDocumentTitleParts());
        } catch (Exception e) {
            Log.e(TAG, "Error getting reading plan title", e);
            return new String[] { "", "" };
        }

    }

    protected String[] getTwoTitleParts(String title, boolean lastAreMoreSignificant) {
        String[] parts = titleSplitter.split(title);
        parts = reduceTo2Parts(parts, lastAreMoreSignificant);
        return parts;
    }

    private String[] reduceTo2Parts(String[] parts, boolean lastAreMoreSignificant) {
        // return the last 2 parts as only show 2 and last are normally most significant
        if (lastAreMoreSignificant) {
            parts = ArrayUtils.subarray(parts, parts.length - 2, parts.length);
        } else {
            parts = ArrayUtils.subarray(parts, 0, 2);
        }
        return parts;
    }

    private String[] unsplitIfLandscape(String[] parts) {
        // un-split if in landscape because landscape actionBar has more width but less height
        if (!CommonUtils.isPortrait()) {
            parts = new String[] { StringUtils.join(parts, " ") };
        }
        return parts;
    }

}