package com.easyway.android.ui.tables;
import java.util.List;

import android.content.Context;
import android.graphics.Color;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
/**
 * ListView自适应实现Table的类TableAdapter.java代码如下：

	PS：TableCell是格单元的类，TableRow是表格行的类，TableRowView是实现表格行的组件。
	实现步骤：TableCell --> TableRow（TableRowView）-->ListView

 * @author longgangbai
 *
 */
public class TableAdapter extends BaseAdapter {   
    private Context context;   
    private List<TableRow> table;   
    public TableAdapter(Context context, List<TableRow> table) {   
        this.context = context;   
        this.table = table;   
    }   
    @Override   
    public int getCount() {   
        return table.size();   
    }   
    @Override   
    public long getItemId(int position) {   
        return position;   
    }   
    public TableRow getItem(int position) {   
        return table.get(position);   
    }   
    public View getView(int position, View convertView, ViewGroup parent) {   
        TableRow tableRow = table.get(position);   
        return new TableRowView(this.context, tableRow);   
    }   
    /** 
     * TableRowView 实现表格行的样式 
     * @author hellogv 
     */   
    class TableRowView extends LinearLayout {   
        public TableRowView(Context context, TableRow tableRow) {   
            super(context);   
               
            this.setOrientation(LinearLayout.HORIZONTAL);   
            for (int i = 0; i < tableRow.getSize(); i++) {//逐个格单元添加到行    
                TableCell tableCell = tableRow.getCellValue(i);   
                LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(   
                        tableCell.width, tableCell.height);//按照格单元指定的大小设置空间    
                layoutParams.setMargins(0, 0, 1, 1);//预留空隙制造边框    
                if (tableCell.type == TableCell.STRING) {//如果格单元是文本内容    
                    TextView textCell = new TextView(context);   
                    textCell.setLines(1);   
                    textCell.setGravity(Gravity.CENTER);   
                    textCell.setBackgroundColor(Color.BLACK);//背景黑色    
                    textCell.setText(String.valueOf(tableCell.value));   
                    addView(textCell, layoutParams);   
                } else if (tableCell.type == TableCell.IMAGE) {//如果格单元是图像内容    
                    ImageView imgCell = new ImageView(context);   
                    imgCell.setBackgroundColor(Color.BLACK);//背景黑色    
                    imgCell.setImageResource((Integer) tableCell.value);   
                    addView(imgCell, layoutParams);   
                }   
            }   
            this.setBackgroundColor(Color.WHITE);//背景白色，利用空隙来实现边框    
        }   
    }   
    /** 
     * TableRow 实现表格的行 
     * @author hellogv 
     */   
    static public class TableRow {   
        private TableCell[] cell;   
        public TableRow(TableCell[] cell) {   
            this.cell = cell;   
        }   
        public int getSize() {   
            return cell.length;   
        }   
        public TableCell getCellValue(int index) {   
            if (index >= cell.length)   
                return null;   
            return cell[index];   
        }   
    }   
    /** 
     * TableCell 实现表格的格单元 
     * @author hellogv 
     */   
    static public class TableCell {   
        static public final int STRING = 0;   
        static public final int IMAGE = 1;   
        public Object value;   
        public int width;   
        public int height;   
        private int type;   
        public TableCell(Object value, int width, int height, int type) {   
            this.value = value;   
            this.width = width;   
            this.height = height;