/*
	3magic Coffee Table Tutorial 5
	Tutorial5.java - Manipulating the selection programmatically.

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

import java.awt.*;
import java.applet.*;
import java.util.*;
import java.awt.event.*;

import CoffeeTable.Grid.*;

public class Tutorial5 extends Applet implements ActionListener
{
	// Labels for columns.
	String colLabels[] = {"First", "Last", "Fruit", "Color", "Salary"};

	// Sample data.
	String cellData[][] = {
		{"Ray", "Yoshi", "apple", "red", "$50,000"},
		{"Neal", "Bajaj", "mango", "orange", "$60,000"},
		{"Greg", "Finn", "kiwi", "green", "$90,000"},
		{"Fred", "Mertz", "banana", "yellow", "$30,000"},
		{"Ethyl", "Nertz", "blueberry", "blue", "$35,000"},
		{"Lucy", "Ricardo", "cherry", "magneta", "$40,000"},
		{"Ricky", "Arnaz", "coconut", "white", "$45,000"},
		{"Jeremy", "King", "watermelon", "pink", "$15,000"},
		{"Thumper", "Lapin", "grape", "purple", "$25,000"},
		{"Seargent", "Argent", "blackberry", "black?", "$65,000"}};

	// Our grid.
	GridPanel fGrid;

	// Rows and Columns;
	int fNumRows = 10;
	int fNumCols = 5;

	// Some Buttons.
	int fNumButtons = 7;
	Button fButton[] = new Button[fNumButtons];
	String buttonLabels[] = {
		"Select All", "Select Row 4", "Select Col 3", "Select Every Other",
		"Deselect All", "Count Selected Cells", "Visit Selected Cells"};

	// A label.
	Label fLabel;

	/**
	 * Initialize.
	 */
	public void init() {

		// Instantiate a new Grid Panel with 10 rows and 5 columns
		// and other defaults like cell selection, row and column headers,
		// row and column lines enabled and with scrollbars.
		fGrid = new GridPanel(fNumRows, fNumCols);

        // Be sure to set the preferred size if you are using it in a
        // layout that resizes based on preferred size.
        fGrid.setSize(400, 200);

		// Show the row headers.
		fGrid.setRowHeaderWidth(30);
		fGrid.setRowNumbers(true);

		// CONFIGURE SELECTIONS AND HIGHLIGHTING  -----------------------
		// Enable selection by rows.
		fGrid.setRowSelection(true);

		// Enable multiple selections.
		fGrid.setMultipleSelection(true);

		// Enable drag selection.
		fGrid.setDragSelect(true);

		// Choose the selection highlighting colors.
		fGrid.setHighlightColor(Color.blue);
		fGrid.setHighlightTextColor(Color.white);

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

		// Add some data for display.
		for (int col=1; col<=fNumCols; col++) {
			fGrid.setColHeaderText(col, colLabels[col-1], true);
			for (int row=1; row<=fNumRows; row++) {
				fGrid.setCellText(col, row, cellData[row-1][col-1], true);
			}
		}

		// Add some control buttons.
		for (int i = 0; i<fNumButtons; i++) {
			fButton[i] = new Button(buttonLabels[i]);
			add(fButton[i]);
			fButton[i].addActionListener(this);
		}

		// Add a label.
		fLabel = new Label("Argent Coffee Table Rocks!!");
		add(fLabel);
	}

	/**
	 * Catch the button presses.
	 */
	public void actionPerformed(ActionEvent evt) {
		System.out.println("action: " + evt.getSource());
		if (evt.getSource() instanceof Button) {
			if (evt.getSource() == fButton[0]) {
				// Select All.
				fGrid.selectAll(true);
			} else if (evt.getSource() == fButton[1]) {
				// Select Row 4.
				fGrid.deselectAll(true);
				fGrid.selectRow(4, true);
			} else if (evt.getSource() == fButton[2]) {
				// Select Column.
				fGrid.deselectAll(true);
				fGrid.selectCol(3, true);
			} else if (evt.getSource() == fButton[3]) {
				// Select Every Other.
				fGrid.deselectAll(true);
				for (int row=1; row<=fNumRows; row++) {
					for (int col=1; col<=fNumCols; col++) {
						if ((col%2 == row%2)) {
							fGrid.selectCell(col, row, true);
						}
					}
				}
			} else if (evt.getSource() == fButton[4]) {
				// Deselect All.
				fGrid.deselectAll(true);
			} else if (evt.getSource() == fButton[5]) {
				// Count Selected Cells.
				Vector selectedCells = fGrid.getSelectedCells();
				if (selectedCells != null) {
					fLabel.setText(selectedCells.size() + " Selected Cells");
				} else {
					fLabel.setText("None Selected");
				}
			} else if (evt.getSource() == fButton[6]) {
				// Visit Selected Cells.
				Vector selectedCells = fGrid.getSelectedCells();
				if (selectedCells != null) {
					for (Enumeration e = selectedCells.elements() ; e.hasMoreElements() ;) {
       					Point cell = (Point)e.nextElement();
 						fLabel.setText(fGrid.getCellText(cell.x, cell.y));
      				}
				} else {
					fLabel.setText("None Selected");
				}
			}
		}
	}
}