jp.gr.java_conf.ishiisoft.android.adapter.SwipeSelectorAdapter.java Source code

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Here is the source code for jp.gr.java_conf.ishiisoft.android.adapter.SwipeSelectorAdapter.java

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package jp.gr.java_conf.ishiisoft.android.adapter;

import android.content.Context;
import android.graphics.Typeface;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

/**
 * swipe selector adapter class
 * uses SwipeSelector class
 * MIT Licensed.
 * 
 * @author ishiisoft
 */
public class SwipeSelectorAdapter extends PagerAdapter {
    /** context */
    private Context context = null;
    /** left text view */
    private TextView leftTv = null;
    /** center view pager */
    private ViewPager centerVp = null;
    /** right text view */
    private TextView rightTv = null;
    /** text list */
    private String[] textList = null;
    /** right arrow */
    private String rightArrow = ">";
    /** left arrow */
    private String leftArrow = "<";
    /** gravity */
    private int gravity = -1;
    /** color */
    private int color = 0;
    /** size */
    private float size = -1.0f;
    /** Typeface */
    private Typeface typeface = null;

    /**
     * constructor
     * @param context
     * @param left
     * @param center
     * @param right
     */
    public SwipeSelectorAdapter(Context context, TextView left, ViewPager center, TextView right) {
        this.context = context;
        this.leftTv = left;
        this.rightTv = right;
        this.centerVp = center;
    }

    /**
     * create page
     * @param container
     * @param position
     */
    @Override
    public Object instantiateItem(ViewGroup container, int position) {
        // center text
        TextView centerText = new TextView(context);
        centerText.setText(textList[position]);
        centerText.setWidth(10);
        if (gravity >= 0)
            centerText.setGravity(gravity);
        if (color < 0)
            centerText.setTextColor(color);
        if (size >= 0)
            centerText.setTextSize(size);
        if (typeface != null)
            centerText.setTypeface(typeface);
        centerVp.addView(centerText, 0);

        return centerText;
    }

    /**
     * set text
     * @param textList
     */
    public void setText(String[] textList) {
        this.textList = textList;
    }

    /**
     * destroy item
     * @param container
     * @param position
     * @param object
     */
    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
        ((ViewPager) container).removeView((View) object);
    }

    /**
     * get count
     */
    @Override
    public int getCount() {
        return textList.length;
    }

    /**
     * is view from object
     * @param view
     * @param object
     */
    @Override
    public boolean isViewFromObject(View view, Object object) {
        return view.equals(object);
    }

    /**
     * finish update
     * called on swipe
     * @param arg0
     */
    @Override
    public void finishUpdate(View arg0) {
        int position = centerVp.getCurrentItem();
        // set left text
        String text = position == 0 ? "" : leftArrow;
        leftTv.setText(text);

        // set right text
        text = position + 1 == this.getCount() ? "" : rightArrow;
        rightTv.setText(text);
    }

    /**
     * set left arrow
     * @param arrow
     */
    public void setLeftArrow(String arrow) {
        leftArrow = arrow;
    }

    /**
     * set right arrow
     * @param arrow
     */
    public void setRightArrow(String arrow) {
        rightArrow = arrow;
    }

    /**
     * setGravity
     * @param gravity
     */
    public void setGravity(int gravity) {
        this.gravity = gravity;
    }

    /**
     * setColor
     * @param color
     */
    public void setTextColor(int color) {
        this.color = color;
    }

    /**
     * setSize
     * @param size
     */
    public void setTextSize(float size) {
        this.size = size;
    }

    /**
     * setTypeface
     * @param typeface
     */
    public void setTypeface(Typeface typeface) {
        this.typeface = typeface;
    }
}