/*
	3magic Coffee Table Tutorial 10
	Tutorial10.java - Custom Data and Sorting.

	© 1997-1999 3magic.  All rights reserved worldwide.
*/

import java.awt.*;
import java.applet.*;
import java.io.*;
import java.net.*;
import java.util.*;

import CoffeeTable.Grid.*;

import MyDate;
import MyRank;

public class Tutorial10 extends Applet
{
	// Our grid.
	GridPanel fGrid;

	// Rows and Columns;
	int fNumCols = 9;
	int fNumRows = 42;

	/**
	 * Initialize.
	 */
	public void init() {
		// Let's use a BorderLayout to help us with the user input areas.
		setLayout(new BorderLayout());

		// Instantiate a new Grid Panel with the specified rows and columns
		// and other defaults like cell selection, row and column headers,
		// row and column lines enabled and with scrollbars.
		fGrid = new GridPanel(fNumRows, fNumCols);

		// Show the row headers.
		fGrid.setRowHeaderWidth(40);
		fGrid.setRowNumbers(true);

		// Let's use Times, plain, 9-point.
		fGrid.setGridFont(new Font("TimesRoman", Font.PLAIN, 9));

		// CONFIGURE SORTING  ------------------------------------------
		// Enable sorting for all columns
		fGrid.setSortEnable(true);

		// Set sort column color to a very light gray.
		fGrid.setSortColumnColor(new Color(0xEFEFEF));

		// Add the grid into the applet panel
		add("Center", fGrid);

		// Read in the data.
		this.readData("presidents.txt");
	}

	/**
	 * Read data from text file.
	 */
	void readData(String dataFile) {
		if (dataFile != null) {
			try {
				// Open the file.
				DataInputStream aStream = new DataInputStream(this.getClass().getResourceAsStream(dataFile));

				if (aStream != null) {
    				BufferedReader in = new BufferedReader(new InputStreamReader(aStream));

    				// The first line are the column widths
    				String line = in.readLine();
    				StringTokenizer st = new StringTokenizer(line, "\t");
    				for (int col = 1; col <= fNumCols; col++) {
    					if (st.hasMoreTokens()) {
    						// Set widths of each column.
    						int width = Integer.parseInt(st.nextToken());
    						fGrid.setColWidth(col, width, true, true);
    					}
    				}

    				// The second line are the column headers
    				line = in.readLine();
    				st = new StringTokenizer(line, "\t");
    				for (int col = 1; col <= fNumCols; col++) {
    					if (st.hasMoreTokens()) {
    						// Set the labels for each column.
    						fGrid.setColHeaderText(col, st.nextToken(), false);
    					}
    				}

    				// The real data follows, read and parse one line at a time.
    				int row = 1;
    				while ( row <= fNumRows ) {
    					line = in.readLine();
    					if (line == null) break;
    					st = new StringTokenizer(line, "\t");
    					for (int col = 1; col <= fNumCols; col++) {
    						if (st.hasMoreTokens()) {
    							String str = st.nextToken();
    							if (col == 1) {
    								// Column 1 are the rankings.
    								fGrid.getGridData().setCellData(col, row, MyRank.parseMyRank(str));
    							} else if (col == 6) {
    								// Column 6 are the birthdates.
    								fGrid.getGridData().setCellData(col, row, MyDate.parseMyDate(str));
    							} else {
    								// Other columns can be treated as text.
    								fGrid.setCellText(col, row, str, false);
    							}
    						}
    					}
    					row++;
    				}
    			}
			} catch (Exception ex) {
				System.out.println("Error: " + ex);
			}
		}
	}

}