wagecompute.java

JAVA编写的单击的PIZZA店销售系统

package GUI;

import org.eclipse.swt.widgets.Composite;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Table;
import java.util.List;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.TableLayout;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.TableColumn;
import Staff.*;

public class WageCompute extends Composite {

	private Table table;
	final MyTableViewer myTableViewer;
	
	/**
	 * Create the composite
	 * @param parent
	 * @param style
	 */
	public WageCompute(Composite parent, int style) {
		super(parent, style);

		final Label label = new Label(this, SWT.NONE);
		label.setText("员工工资表");
		label.setBounds(10, 10, 64, 21);

		final Button button = new Button(this, SWT.NONE);
		button.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				myTableViewer.draw();
			}
		});
		button.setText("刷新");
		button.setBounds(442, 36, 48, 22);
		
		myTableViewer = new MyTableViewer(this, SWT.BORDER|SWT.FULL_SELECTION);
		myTableViewer.draw();
		//
	}
	public class MyTableViewer extends TableViewer{
		public MyTableViewer(Composite com,int style){
			super(com,style);
			
			table = this.getTable();
			table.setBounds(10, 46, 405, 326);		
			table.setRedraw(true);
			table.setHeaderVisible(true); //表头显示
			table.setLinesVisible(true); //表格线显示

			TableLayout tLayout = new TableLayout();
			table.setLayout(tLayout);
			final TableColumn newColumnTableColumn = new TableColumn(table, SWT.NONE);
			newColumnTableColumn.setWidth(100);
			newColumnTableColumn.setText("员工ID");

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

			final TableColumn newColumnTableColumn_2 = new TableColumn(table, SWT.NONE);
			newColumnTableColumn_2.setWidth(100);
			newColumnTableColumn_2.setText("送货趟数");
			
			final TableColumn newColumnTableColumn_3 = new TableColumn(table, SWT.NONE);
			newColumnTableColumn_3.setWidth(100);
			newColumnTableColumn_3.setText("总工资");
	
			this.setContentProvider(new MyContentProvider()); //内容器
			this.setLabelProvider(new MyLabelProvider()); //标签器
		}
		
		public void draw(){		
			Staffmanage sm2 = new Staffmanage();
			this.setInput(sm2.getStaffWage());				
		}
}
	
	 /**
     * 内容器(写成了一个内部类). 在这里对所有记录集中的记录进行处理
     */

	
	private static final class MyContentProvider implements IStructuredContentProvider {
	        public Object[] getElements(Object element) {
	            if (element instanceof List)
	                return ((List) element).toArray();//将List转化为数组
	            else
	                return new Object[0];//否则,返回一个空数组
	        }

	        public void dispose() {}
	        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}
	    }

	  /**
	   * 标签器(写成了一个内部类).在这里对单条记录进行处理
	     */
	private static final class MyLabelProvider implements ITableLabelProvider {
	        /**
	         * 这个方法返回的是各列的记录的文字
	         * 参数1:输入的对象
	         * 参数2:列号
	         * 返回值:注意一定要避免Null值,否则出错
	         */
	        public String getColumnText(Object element, int col) {
	            Staff s = (Staff) element; //转换一下类型
	            if (col == 0)
	                return s.getStaffid();
	            if (col == 1)
	                return s.getName();
	            if (col == 2)
	                return Integer.toString(s.getTimes());
	            if (col == 3)
	                return Integer.toString(s.getWage());

	            return "";
	        }
	        /**
	         * 返回每条记录前面的图标
	         */
	        public Image getColumnImage(Object element, int columnIndex) {
	            return null;
	        }
	        //-------------以下方法用处不大,暂时不管它-----------------
	        public void addListener(ILabelProviderListener listener) {}
	        public void dispose() {}
	        public boolean isLabelProperty(Object element, String property) {
	            return false;
	        }
	        public void removeListener(ILabelProviderListener listener) {}
	    }
	public void dispose() {
		super.dispose();
	}

	protected void checkSubclass() {
		// Disable the check that prevents subclassing of SWT components
	}

}