productvarietyview.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.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.part.ViewPart;

/**
 * @author Administrator
 *	商品种类表的编辑视图
 */
public class ProductVarietyView extends ViewPart
{
	private Text productID;// 商品ID
	
	private Text productName;//商品名称

	private Text productVariety;// 商品类别

	private Text varietyNote;// 备注
	
	
	private Button varietyAdd;// 商品类别添加

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

	/**
	 * 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)
	{
		// 设置表单的基本属性
		
		//parent.setLayoutData(new GridData(GridData.FILL_BOTH));
		parent.setLayout(new GridLayout(4, false));// 信息面板分成6列

		new Label(parent, SWT.NONE).setText("商品编码：");
		productID = new Text(parent, SWT.BORDER);
		productID.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 1));

		new Label(parent, SWT.NONE).setText("商品名称：");
		productName = new Text(parent, SWT.BORDER);
		productName.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 1));

		new Label(parent, SWT.NONE).setText("商品类别：");
		productVariety = new Text(parent, SWT.BORDER);
		productVariety.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 1));
		
		new Label(parent, SWT.NONE).setText("备   注：");
		varietyNote = new Text(parent, SWT.BORDER);
		varietyNote.setLayoutData(createGridData(GridData.HORIZONTAL_ALIGN_FILL, 1));

		new Label(parent, SWT.NONE);
		new Label(parent, SWT.NONE);
		new Label(parent, SWT.NONE);
		
		
		varietyAdd =new Button(parent,SWT.NONE);
		varietyAdd.setText("  添 加  ");
		
		

	}

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

}