wareinputdialog.java

eclipse rcp 项目实例

package com.niis.myprice.views;

import java.util.Date;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
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.Dialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import com.niis.myprice.action.ICommandIds;
import com.niis.myprice.domain.Kind;
import com.niis.myprice.domain.Ware;
import com.niis.myprice.util.message.Messages;

public class WareInputDialog extends Dialog {

	private Text descTxt;
	private Text priceTxt;
	private Text nameTxt;
	private Text numTxt;
	private int flg;
	private TableViewer viewer;
	protected Object result;

	protected Shell shell;
	private Ware ware = null;

	/**
	 * Create the dialog
	 * @param parent
	 */
	public WareInputDialog(Shell parent) {
		this(parent, SWT.NONE);
	}
	
	/**
	 * Create the dialog
	 * @param parent
	 * @param style
	 */
	public WareInputDialog(Shell parent, int style) {
		super(parent, style);
	}

	public WareInputDialog(Shell parent, int style,Ware ware) {
		this(parent, style);
		this.ware=ware;
	}
	public WareInputDialog(Shell parent, int style,TableViewer viewer,int flg) {
		this(parent, style);
		this.flg=flg;
		this.viewer = viewer;
		if(flg == ICommandIds.MODIFY){
			ISelection selection = viewer.getSelection();
			Object obj = ((IStructuredSelection) selection)
					.getFirstElement();
			if(obj instanceof Ware){
				Ware ware = (Ware)obj;
				this.ware=ware;
			}
		}
	}
	/**
	 * Open the dialog
	 * @return the result
	 */
	public Object open() {
		createContents();
		shell.open();
		shell.layout();
		Display display = getParent().getDisplay();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		return result;
	}

	/**
	 * Create contents of the dialog
	 */
	protected void createContents() {
		shell = new Shell(getParent(), SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
		shell.setBounds(240, 220, 303, 380);
//		shell.setSize(303, 380);
		shell.setText(Messages.getString("WareInputDialog.wareinfo")); //$NON-NLS-1$
		
		final Group wareGroup = new Group(shell, SWT.NONE);
		wareGroup.setText(Messages.getString("WareInputDialog.wareinfo")); //$NON-NLS-1$
		wareGroup.setBounds(10, 21, 273, 280);

		final Label numLab = new Label(wareGroup, SWT.NONE);
		numLab.setText(Messages.getString("WareInputDialog.warenum")); //$NON-NLS-1$
		numLab.setBounds(16, 29, 50, 22);

		numTxt = new Text(wareGroup, SWT.BORDER);
		numTxt.setBounds(78, 26, 181, 25);

		final Label nameLab = new Label(wareGroup, SWT.NONE);
		nameLab.setText(Messages.getString("WareInputDialog.warename")); //$NON-NLS-1$
		nameLab.setBounds(16, 61, 50, 21);

		nameTxt = new Text(wareGroup, SWT.BORDER);
		nameTxt.setBounds(78, 58, 181, 25);

		final Label priceLab = new Label(wareGroup, SWT.NONE);
		priceLab.setText(Messages.getString("WareInputDialog.wareprice")); //$NON-NLS-1$
		priceLab.setBounds(16, 95, 50, 20);

		priceTxt = new Text(wareGroup, SWT.BORDER);
		priceTxt.setBounds(78, 92, 181, 25);

		final Label descLab = new Label(wareGroup, SWT.NONE);
		descLab.setText(Messages.getString("WareInputDialog.waredesc")); //$NON-NLS-1$
		descLab.setBounds(16, 158, 56, 22);

		descTxt = new Text(wareGroup, SWT.BORDER|SWT.WRAP);
		descTxt.setBounds(78, 155, 181, 115);

		final Button okBtn = new Button(shell, SWT.NONE);
		okBtn.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				addWare();
			}
		});
		okBtn.setText(Messages.getString("WareInputDialog.ok")); //$NON-NLS-1$
		okBtn.setBounds(127, 319, 62, 22);

		final Button calBtn = new Button(shell, SWT.NONE);
		calBtn.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				shell.dispose();
			}
		});
		calBtn.setText(Messages.getString("WareInputDialog.cancel")); //$NON-NLS-1$
		calBtn.setBounds(195, 319, 66, 22);
		//
		
		if(ware != null){
			numTxt.setText(ware.getDisplayNum());
			nameTxt.setText(ware.getDisplayName());
			descTxt.setText(ware.getDisplayDesc());
			priceTxt.setText(ware.getDisplayPrice());
		}
	}
	private void addWare(){
		try{
			int num = Integer.parseInt(numTxt.getText());
			double price = Double.parseDouble(priceTxt.getText());
			
			if(flg == ICommandIds.INSERT){
				Object obj = viewer.getInput();
				if(obj instanceof Kind){
					Kind kind = (Kind)obj;
					ware = new Ware(kind);
				}
			}
			if(ware == null){
				return ;
			}
			ware.setNum(num);
			ware.setName(nameTxt.getText());
			ware.setDesc(descTxt.getText());
			ware.setPrice(price);
			ware.setUpdDate(new Date());
			
			viewer.refresh();
			shell.dispose();
			
		}catch(NumberFormatException e){
			showMessage(Messages.getString("WareInputDialog.numandpricemustbedigital")); //$NON-NLS-1$
		}
	}
	public void showMessage(String message) {
		MessageDialog.openInformation(shell, Messages.getString("WareInputDialog.promptmessage"), message); //$NON-NLS-1$
	}

}