/*

	File:		Demo1.java

	Contains:	Sample application that demonstrates the use of the Argent Coffee Table.

	Copyright:	1996-99 Argent Software

*/

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.util.StringTokenizer;
import java.util.Date;
import java.io.*;
import java.net.*;
import Argent.Grid.*;

public class Demo1 extends Applet {

    private GridPanel grid = null;

    class MyAdapter extends GridAdapter {
        public void gridCellsClicked(GridEvent e) {
            System.out.println(e.toString());
        }

        public void gridDoubleClicked(GridEvent e) {
           System.out.println(e.toString());
        }

        public void gridCellsReleased(GridEvent e) {
            System.out.println(e.toString());
        }

        public void gridStartEdit(GridEvent e) {
            System.out.println(e.toString());
        }

        public void gridCommitEdit(GridEvent e) {
            System.out.println(e.toString());
        }

        public void gridCancelEdit(GridEvent e) {
            System.out.println(e.toString());
        }

        public void gridResizeRow(GridEvent e) {
            System.out.println(e.toString());
        }

        public void gridResizeCol(GridEvent e) {
            System.out.println(e.toString());
        }

        public void gridSortColumn(GridEvent e) {
            System.out.println(e.toString());
        }

        public void gridSelChanged(GridEvent e) {
            System.out.println(e.toString());
        }

    }

    public void init() {
    	// set up a BorderLayout for the panel, the grid will be inserted in the center
    	// to take up all the space
        setLayout(new BorderLayout());

		// instantiate a new Grid Panel with 54 rows and 6 columns and other defaults like cell
		// selection, row and column headers, row and column lines enabled and with scrollbars.
        grid = new GridPanel(54, 6);

        // set up attributes for all the cells in the grid, to have the Times fornt and left justification
        // with string truncation with ellipses
        grid.setGridAttributes(new GridAttributes(grid, new Font("SansSerif", Font.PLAIN, 12), null, null,
        											GridPanel.JUST_LEFT | GridPanel.TRUNC_STRING, 0), true);
        // ... and for the grid headers
        grid.setHeaderAttributes(new GridAttributes(grid, new Font("Dialog", Font.PLAIN, 12), null, null, 0, 0), true);

        // add it into the center of the panel
        add("Center", grid);

        // make the inner adapter "MyAdapter" a listener for this Grid's events
        grid.addGridListener(new MyAdapter());

        // enable row headers with a width of 30 pixels and draw row numbers in row headers
        grid.setRowHeaderWidth(30);
        grid.setRowNumbers(true);

        // enable row selection and multiple cell selection
        grid.setRowSelection(true);
        grid.setMultipleSelection(true);

        // enable the threeD border
        grid.setThreeDBorder(true);

        // set up the column widths for all six columns
        grid.setColWidths("80,80,60,140,200,120");

		// set up attributes for column 1, setting to to be a choice list with the following items
		String[] items = { "Cinema", "Computing", "Entertainment", "News", "Search", "Sport", "Television"};
        grid.setColAttributes(1, new GridAttributes(grid, null, null, null, 0, GridPanel.CHOICE, items), true);

		// set up attributes for column 2, editable text cell type
        grid.setColAttributes(2, new GridAttributes(grid, null, null, null, 0, GridPanel.EDIT_TEXT), true);

		// set up attributes for column 4, overriding the text color and cell type, inherit rest from grid attributes
        grid.setColAttributes(4, new GridAttributes(grid, null, Color.blue, null, 0, GridPanel.URL), true);

		// set up attributes for column 5, editable cell type, justification style to be left justification
		// with word wrapping, inherit rest from grid attributes
        grid.setColAttributes(5, new GridAttributes(grid, null, null, null, GridPanel.JUST_LEFT | GridPanel.WORD_WRAP,
        												GridPanel.EDIT_TEXT), true);

		// set up attributes for column 6, overriding the text color and cell type, inherit rest from grid attributes
        grid.setColAttributes(6, new GridAttributes(grid, null, Color.blue, null, 0, GridPanel.MAIL), true);

        // enable sorting for all columns and set sort column color to a very light gray
        grid.setSortEnable(true);
        grid.setSortAttributes(true);
        grid.setSortColumnColor(new Color(0xEFEFEF));
        

        String dataFile = getParameter("DATAFILE");

		if (dataFile != null) {
			// read the urls.txt file into the grid
			readData(dataFile, grid, grid.getNumRows(), grid.getNumCols());
		}

		grid.autoResizeRows(false);		// resize all row height to fit text, where WORD_WRAP is enabled
		grid.setAutoResizeRows(true);	// set up to automatically resize row heights from now on

		Label message = new Label("");
		message.setFont(new Font("TimesRoman", Font.PLAIN, 10));
		message.setBackground(this.getBackground());
		message.setText(" Argent Coffee Table version " + grid.getVersionString() + " \u00A9 1996-1998 Argent Software");
		add("South", message);
		
        doLayout();
}

	void readData(String dataFile, GridPanel panel, int numRows, int numCols) {
		if (dataFile != null) {
			try
			{
				InputStream aStream = this.getClass().getResourceAsStream(dataFile);
				BufferedReader in = new BufferedReader(new InputStreamReader(aStream));

				String line = in.readLine();
				// read the column headers from the first line
				StringTokenizer st = new StringTokenizer(line, "\t");
				for (int col = 1; col <= numCols; col++) {
					if (st.hasMoreTokens())
						panel.setColHeaderText(col, st.nextToken(), false);
				}

				// ...and the data from the remaining lines
				int row = 1;
				while ( row <= numRows ) {
					line = in.readLine();
					if (line == null) break;
					st = new StringTokenizer(line, "\t");
					for (int col = 1; col <= numCols; col++) {
						if (st.hasMoreTokens())
							panel.setCellText( col, row, st.nextToken(), false );
					}
					row++;
				}
                in.close();
			}
			catch (Exception ex)
			{
				System.out.println("Error: " + ex);
			}
		}
	}
	//{{DECLARE_CONTROLS
	//}}
}