saleinstore.java

JAVA编写的单击的PIZZA店销售系统

package GUI;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.jface.dialogs.*;
import PizzaProduct.Pizza;
public class SaleInStore extends Composite {

	private Table table;
	protected String name;
	protected String type;
	protected String size;
	protected String[] topping;
	protected String toppings="";
	protected int quantity;
	protected boolean namechoosed=false;
	protected boolean typechoosed=false;
	protected boolean sizechoosed=false;
	
	
	private String sizeStrings[] = { "5'", "6'", "7'", "8'" };
	//private double sizeValues[] = { 5.0, 6.0, 7.0, 8.0 }; 
	private String typeNames[] = {
	        "Thick pan", "Thin Pan", "Special" };   
	private String pizzaNames[] = {
	        "Supreme", "Hawaii", "Meat Lover", "Seafood" };   
	private String[] toppingNames = {
	        "Pineapple", "Mushroom", "Gallic" };
	
	Button[] namebutton = new Button[pizzaNames.length];
	Button[] typebutton = new Button[typeNames.length];
	Button[] sizebutton = new Button[sizeStrings.length];
	Button[] toppingbutton = new Button[toppingNames.length];
	TableItem[] pizzaitem = new TableItem[50];
	/**
	 * Create the composite
	 * @param parent
	 * @param style
	 */
	
	
	public SaleInStore(final Composite parent, int style) {
		super(parent, style);
		
		//Name Group setup
		final Group nameGroup = new Group(this, SWT.NONE);
		nameGroup.setText("Name");
		nameGroup.setBounds(10, 0, 480, 50);
		quantity=0;
		int i;
		for(i=0;i<pizzaNames.length;i++){
			namebutton[i]=new Button(nameGroup, SWT.RADIO);
			namebutton[i].setText(pizzaNames[i]);
			namebutton[i].setBounds(5+124*i, 25, 93, 16);
			namebutton[i].addSelectionListener(new NameAction(pizzaNames[i]));
				
		}

		
		//Type Group setup
		final Group baseTypeGroup = new Group(this, SWT.NONE);
		baseTypeGroup.setText("Base Type");
		baseTypeGroup.setBounds(10, 50, 480, 50);

		for(i=0;i<typeNames.length;i++){
			typebutton[i]=new Button(baseTypeGroup, SWT.RADIO);
			typebutton[i].setText(typeNames[i]);
			typebutton[i].setBounds(5+124*i, 25, 93, 16);
			typebutton[i].addSelectionListener(new TypeAction(typeNames[i]));
				
		}

		
		//Size Group setup
		final Group sizeGroup = new Group(this, SWT.NONE);
		sizeGroup.setText("Size");
		sizeGroup.setBounds(10, 100, 480, 50);
		for(i=0;i<sizeStrings.length;i++){
			sizebutton[i]=new Button(sizeGroup, SWT.RADIO);
			sizebutton[i].setText(sizeStrings[i]);
			sizebutton[i].setBounds(5+124*i, 25, 93, 16);
			sizebutton[i].addSelectionListener(new SizeAction(sizeStrings[i]));
				
		}
		
		//Topping Group setup
		final Group toppingGroup = new Group(this, SWT.NONE);
		toppingGroup.setText("Topping");
		toppingGroup.setBounds(10, 150, 480, 50);
		for(i=0;i<toppingNames.length;i++){
			toppingbutton[i]=new Button(toppingGroup, SWT.CHECK);
			toppingbutton[i].setText(toppingNames[i]);
			toppingbutton[i].setBounds(5+124*i, 25, 93, 16);		
		}
		
		//Create a table to display the pizza information
		table = new Table(this, SWT.BORDER|SWT.FULL_SELECTION);
		table.setLinesVisible(true);
		table.setHeaderVisible(true);
		table.setBounds(10, 235, 480, 147);

		final TableColumn newColumnTableColumn = new TableColumn(table, SWT.NONE);
		newColumnTableColumn.setWidth(100);
		newColumnTableColumn.setText("Name");

		final TableColumn newColumnTableColumn_1 = new TableColumn(table, SWT.NONE);
		newColumnTableColumn_1.setWidth(100);
		newColumnTableColumn_1.setText("Type");

		final TableColumn newColumnTableColumn_2 = new TableColumn(table, SWT.NONE);
		newColumnTableColumn_2.setWidth(100);
		newColumnTableColumn_2.setText("Size");

		final TableColumn newColumnTableColumn_3 = new TableColumn(table, SWT.NONE);
		newColumnTableColumn_3.setWidth(177);
		newColumnTableColumn_3.setText("Toppings");


		
		
		//Setup some functional buttons
		final Button button_4 = new Button(this, SWT.NONE);
		button_4.setText("确认添加");
		/**
		 * In there, when user click the button "确认添加" We have something to do
		 * 1. Check if all the information is it have
		 * 2. Find the toppings the cunstomer need. Because it's a multi-choices, we used a String to save a the topping
		 * 3. Make a table item to display the Pizza that customer ordered.
		 */
		
		button_4.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				int i;
				if(namechoosed&&typechoosed&&sizechoosed){
					for(i=0;i<toppingNames.length;i++)
					{
						if (toppingbutton[i].getSelection())
						{
							if(toppings.equals(""))
								toppings=toppingbutton[i].getText();
							else
								toppings=toppings+","+toppingbutton[i].getText();
						}
					}

				
					pizzaitem[quantity] = new TableItem(table, SWT.BORDER);	
					pizzaitem[quantity].setText(3, toppings);
					pizzaitem[quantity].setText(2, size);
					pizzaitem[quantity].setText(1, type);
					pizzaitem[quantity].setText(0, name);
					quantity++;
					toppings="";
				}
				else{
					MessageDialog.openWarning(parent.getShell(), "警告","输入数据不完整！请检查");
				}
			}
		
		});
		button_4.setBounds(70, 207, 59, 22);
		
		//a delete button to delete the choiced item.
		final Button button_5 = new Button(this, SWT.NONE);
		button_5.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				if(table.getSelectionCount()!=0){
					table.remove(table.getSelectionIndex());					
					quantity--;}
			}
		});
		button_5.setText("删除");
		button_5.setBounds(200, 207, 59, 22);
		
		 /**
		 * when user have click the button"完成" means the customer have choose all the pizza he wanted
		 * Then we create some Pizza Object to store the pizza that customer ordered.
		 * So we need to ask some feather question. Such like the Speed and eatting in store or not
		 * To do that, we need to create some dialog to get the message.
		 * To create a shell to set the dialog.
		 * When a order is complete, the system will come back, and the history options will be delete.
		 */
		
		final Button button_6 = new Button(this, SWT.NONE);
		button_6.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				int i;
				Pizza[] pizzas = new Pizza[quantity];
				if(quantity == 0){

					MessageDialog.openWarning(parent.getShell(), "警告","未添加任何PIZZA");
				}
				else{
					for (i=0;i<quantity;i++){
						if(!pizzaitem[i].isDisposed())
						pizzas[i]=new Pizza(pizzaitem[i].getText(0),pizzaitem[i].getText(1),pizzaitem[i].getText(2),pizzaitem[i].getText(3));
					}
					//a dialog shell.
					final Shell fornext;
					fornext = parent.getShell();
					final ChooseTheRoutines choosttheroutines = new ChooseTheRoutines(fornext,pizzas);
					choosttheroutines.open();
					initial();
				}
				
			}
		});
		
		button_6.setText("完成");
		button_6.setBounds(315, 206, 59, 22);

	



		
	

		
		//
	}

	public void dispose() {
		super.dispose();
	}
	// When one order is complete , the compsite must be initialed again.
	public void initial(){
		table.removeAll();
		int i;
		for(i=0;i<pizzaNames.length;i++){
			namebutton[i].setSelection(false);
		}
		for(i=0;i<typeNames.length;i++){
			typebutton[i].setSelection(false);;
		}
		for(i=0;i<sizeStrings.length;i++){
			sizebutton[i].setSelection(false);;
		}
		for(i=0;i<toppingNames.length;i++){
			toppingbutton[i].setSelection(false);;
		}
		namechoosed=false;
		typechoosed=false;
		sizechoosed=false;
		pizzaitem = new TableItem[50];
		quantity = 0;	
	}

	protected void checkSubclass() {
		// Disable the check that prevents subclassing of SWT components
	}
	
	class NameAction extends SelectionAdapter{
		String aname;
		 public NameAction(String aname)
	     {
	         super();
	         this.aname = aname;
	     }
		 public void widgetSelected(SelectionEvent e)
		    {
				name=aname;
				namechoosed=true;
			}
	}
	
	class TypeAction extends SelectionAdapter{
		String atype;
		 public TypeAction(String atype)
	     {
	         super();
	         this.atype = atype;
	     }
		 public void widgetSelected(SelectionEvent e)
		    {
			 type=atype;
			 typechoosed=true;
			}
	}
	
	class SizeAction extends SelectionAdapter{
		String asize;
		 public SizeAction(String asize)
	     {
	         super();
	         this.asize = asize;
	     }
		 public void widgetSelected(SelectionEvent e)
		    {
			 size=asize;
			 sizechoosed=true;
			}
	}
	
}