Android Open Source - GreenGear View Query

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Back to project page GreenGear.
License

The source code is released under:
MIT License
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Java Source Code

package com.bradleycurran.viewquery;
//from w  ww.j  a  v  a2 s.co  m
import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Build;
import android.util.SparseArray;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Adapter;
import android.widget.AdapterView;
import android.widget.ImageView;
import android.widget.TextView;

import com.bradleycurran.viewquery.Operation.AdapterOperation;
import com.bradleycurran.viewquery.Operation.ImageOperation;
import com.bradleycurran.viewquery.Operation.TextOperation;
import com.bradleycurran.viewquery.Operation.ViewOperation;
import com.bradleycurran.viewquery.animation.hc.BounceTouchListener;

public class ViewQuery {

    private static final int   INITIAL_CACHE_SIZE = 8;

    private View               mView;

    private SparseArray<ViewQuery> mCachedQueries;

    public ViewQuery(Activity activity) {
        this(activity.findViewById(android.R.id.content));
    }

    public ViewQuery(View view) {
        mView = view;
        mCachedQueries = new SparseArray<ViewQuery>(INITIAL_CACHE_SIZE);
    }

    public View get() {
        return mView;
    }

    public <T extends View> T get(Class<T> cls) {
        return Operation.get(mView, cls);
    }

    public ViewQuery find(int id) {
        ViewQuery query = mCachedQueries.get(id);

        if (query == null) {
            if (mView == null) {
                query = new ViewQuery(mView);
            } else {
                query = new ViewQuery(mView.findViewById(id));
            }

            mCachedQueries.append(id, query);
        }

        return query;
    }

    public ViewQuery onClick(final OnClickListener listener) {
        return run(new ViewOperation() {

            @Override
            void execute(View view) {
                view.setOnClickListener(listener);
            }
        });
    }

    public ViewQuery gone(final boolean gone) {
        return run(new ViewOperation() {

            @Override
            void execute(View view) {
                view.setVisibility(gone ? View.GONE : View.VISIBLE);
            }
        });
    }

    public ViewQuery invisible(final boolean invisible) {
        return run(new ViewOperation() {

            @Override
            void execute(View view) {
                view.setVisibility(invisible ? View.INVISIBLE : View.VISIBLE);
            }
        });
    }

    public ViewQuery image(final int resId) {
        return run(new ImageOperation() {

            @Override
            void execute(ImageView view) {
                view.setImageResource(resId);
            }
        });
    }

    public ViewQuery text(final int resId) {
        return run(new TextOperation() {

            @Override
            void execute(TextView view) {
                view.setText(resId);
            }
        });
    }

    public ViewQuery text(final CharSequence str) {
        return run(new TextOperation() {

            @Override
            void execute(TextView view) {
                view.setText(str);
            }
        });
    }

    public ViewQuery adapter(final Adapter adapter) {
        return run(new AdapterOperation() {

            @SuppressWarnings({ "unchecked", "rawtypes" })
            @Override
            void execute(AdapterView view) {
                view.setAdapter(adapter);
            }
        });
    }

    @SuppressLint("NewApi")
    public ViewQuery bounce() {
        return run(new ViewOperation() {

            @Override
            void execute(View view) {
                if (supportsHoneycomb()) {
                    view.animate().setDuration(250);
                    view.setOnTouchListener(new BounceTouchListener());
                }
            }
        });
    }

    private <T extends View> ViewQuery run(Operation<T> o) {
        o.run(mView);
        return this;
    }

    private static boolean supportsHoneycomb() {
        return supportsVersion(Build.VERSION_CODES.HONEYCOMB);
    }

    private static boolean supportsVersion(int version) {
        return Build.VERSION.SDK_INT >= version;
    }
}
Java Source Code List
