storagemanagerview.java

java eclipse rcp学习

/**
 * 
 */
package chainShopMS.views;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.part.ViewPart;

/**
 * @author Administrator
 * 总店库存管理视图
 */
public class StorageManagerView extends ViewPart
{
	private Text productID;// 商品编号

	private Text productDate;// 生产日期
	private Text productDate2;// 生产日期2

	private Combo provider;// 供应商
	
	private Combo subShop;//连锁店

	private Combo buyer;// 采购员

	private Text stockDate;// 进货日期
	private Text stockDate2;// 进货日期2
	
	private Text buyMoney;// 单位进价
	private Text buyMoney2;// 单位进价2

	private Button storageSearch;// 查询

	
	/** 该视图的ID */
	public static final String ID = "chainShopMS.views.StorageManagerView";

	/**
	 * 生成GridData对象的重复代码太多，写出一个可以减少程序的行数，用起来也方便，而且要注意一个GridData只能呗一个组件实验
	 * 不能两个组件使用一个GridData，否则一个组件不会显示出来
	 */
	private GridData createGridData(int style,int horizontalSpan)
	{
		GridData gridData=new GridData(style);
		gridData.horizontalSpan=horizontalSpan;
		gridData.grabExcessHorizontalSpace=true;
		gridData.horizontalAlignment=SWT.FILL;
		return gridData;
	}
	
	// 必须实现的两个方法
	public void createPartControl(final Composite parent)
	{
		parent.setLayout(new GridLayout(8, false));// 信息面板分成6列

		new Label(parent, SWT.NONE).setText("编   号：");
		productID = new Text(parent, SWT.BORDER);
		productID.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 3));

		new Label(parent, SWT.NONE).setText("供 应 商：");
		provider = new Combo(parent, SWT.BORDER);
		//从数据库从得到供应商的数据添加
		provider.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 3));

		new Label(parent, SWT.NONE).setText("采 购 员：");
		buyer = new Combo(parent, SWT.BORDER);
		//在此从数据库中选取采购员数据添加
		buyer.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 3));

		new Label(parent, SWT.NONE).setText("连 锁 店：");
		subShop = new Combo(parent, SWT.BORDER);
		//从数据库中得到连锁店的值添加到列表
		subShop.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 3));
		
		new Label(parent, SWT.NONE).setText("生产日期：");
		productDate = new Text(parent, SWT.BORDER);
		productDate.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 1));
		new Label(parent,SWT.NONE).setText("至");
		productDate2 = new Text(parent, SWT.BORDER);
		productDate2.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 1));

		new Label(parent, SWT.NONE).setText("进货日期：");
		stockDate = new Text(parent, SWT.BORDER);
		stockDate.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 1));
		new Label(parent,SWT.NONE).setText("至");
		stockDate2 = new Text(parent, SWT.BORDER);
		stockDate2.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 1));

		new Label(parent, SWT.NONE).setText("单位进价：");
		buyMoney= new Text(parent, SWT.BORDER);
		buyMoney.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 1));
		new Label(parent,SWT.NONE).setText("至");
		buyMoney2= new Text(parent, SWT.BORDER);
		buyMoney2.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 1));
		
		new Label(parent, SWT.NONE);
		new Label(parent,SWT.NONE);
		new Label(parent, SWT.NONE);
		//按钮
		storageSearch =new Button(parent,SWT.NONE);
		storageSearch.setText("  查询  ");
		
		
	}

	public void setFocus()
	{
		productID.setFocus();
	}

}