piuk.blockchain.android.util.ActionBarFragment.java Source code

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Here is the source code for piuk.blockchain.android.util.ActionBarFragment.java

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/*
 * Copyright 2011-2012 the original author or authors.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package piuk.blockchain.android.util;

import android.app.Activity;
import android.content.res.Resources;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.LinearLayout;
import android.widget.TextView;
import piuk.blockchain.android.R;

/**
 * @author Andreas Schildbach
 */
public final class ActionBarFragment extends Fragment {
    private ViewGroup view;
    private View backButtonView;
    private View backView;
    private ImageView iconView;
    private TextView primaryTitleView;
    private TextView secondaryTitleView;

    private LinearLayout.LayoutParams separatorParams;

    @Override
    public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
            final Bundle savedInstanceState) {
        view = (ViewGroup) inflater.inflate(R.layout.action_bar_fragment, container);
        backButtonView = view.findViewById(R.id.action_bar_back_button);
        backView = view.findViewById(R.id.action_bar_back);
        iconView = (ImageView) view.findViewById(R.id.action_bar_icon);
        primaryTitleView = (TextView) view.findViewById(R.id.action_bar_primary_title);
        secondaryTitleView = (TextView) view.findViewById(R.id.action_bar_secondary_title);

        return view;
    }

    @Override
    public void onAttach(final Activity activity) {
        final Resources res = getResources();
        final int separatorWidth = res.getDimensionPixelSize(R.dimen.action_bar_button_separator_width);
        final int separatorMargin = res.getDimensionPixelSize(R.dimen.action_bar_button_separator_margin);

        separatorParams = new LinearLayout.LayoutParams(separatorWidth,
                android.view.ViewGroup.LayoutParams.FILL_PARENT, 0f);
        separatorParams.setMargins(0, separatorMargin, 0, separatorMargin);

        super.onAttach(activity);
    }

    public void setIcon(final int iconRes) {
        iconView.setImageResource(iconRes);
    }

    public void setBack(final OnClickListener onClickListener) {
        backButtonView.setOnClickListener(onClickListener);
        backView.setVisibility(View.VISIBLE);
    }

    public TextView getPrimaryTitleView() {
        return primaryTitleView;
    }

    public ImageView getIconView() {
        return iconView;
    }

    public void setPrimaryTitleView(TextView primaryTitleView) {
        this.primaryTitleView = primaryTitleView;
    }

    public void setPrimaryTitle(final CharSequence title) {
        primaryTitleView.setText(title);
    }

    public void setPrimaryTitle(final int titleRes) {
        primaryTitleView.setText(titleRes);
    }

    public void setSecondaryTitle(final CharSequence title) {
        secondaryTitleView.setText(title);
        secondaryTitleView.setVisibility(title != null ? View.VISIBLE : View.GONE);
        primaryTitleView.setSingleLine(title != null);
    }

    public ImageButton getButton(final int drawableRes) {
        final ImageButton button = new ImageButton(getActivity());
        button.setImageResource(drawableRes);
        button.setBackgroundResource(R.drawable.action_bar_background);
        button.setPadding(0, 0, 0, 0);

        return button;
    }

    public ImageButton addButton(final int drawableRes) {
        final ImageButton button = getButton(drawableRes);
        addView(button);

        return button;
    }

    public void addView(final View viewToAdd) {
        final LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
                getResources().getDimensionPixelSize(R.dimen.action_bar_button_width),
                android.view.ViewGroup.LayoutParams.FILL_PARENT, 0f);

        params.gravity = Gravity.CENTER_VERTICAL;

        view.addView(viewToAdd, 2, params);

        final ImageView separator1 = new ImageView(getActivity());
        separator1.setImageDrawable(new ColorDrawable(Color.parseColor("#44ffffff")));
        view.addView(separator1, 2, separatorParams);

        final ImageView separator2 = new ImageView(getActivity());
        separator2.setImageDrawable(new ColorDrawable(Color.parseColor("#44000000")));
        view.addView(separator2, 2, separatorParams);
    }

    public boolean removeButton(final ImageButton button) {
        final int index = view.indexOfChild(button);
        if (index == -1)
            return false;

        view.removeViews(index - 2, 3);
        return true;
    }
}