profiledialog.java

mywork是rcp开发的很好的例子

package net.sf.p2pim.profile;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import net.sf.component.table.BeanBindedTableModel;
import net.sf.component.table.BindedTableColumn;
import net.sf.component.table.BindedTableViewer;
import net.sf.component.table.IBindedTableModel;
import net.sf.component.table.TextBindedTableColumn;
import net.sf.p2pim.P2PActivator;
import net.sf.util.persistence.DMFactory;
import net.sf.util.persistence.DataException;
import net.sf.util.persistence.IEntry;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
/**
 * @author levin
 * @since 2007-11-17 下午04:06:38
 * 可以和联系人进行关联
 */
public class ProfileDialog extends Dialog {
	private String p2pid; //传入的p2p
	private String showName; //该p2p的名字
	private BindedTableViewer btv; //联系人列表
	private Map<String,Label> detail; //详表的控件集
	private Button contactButton; //显示联系人列表的开发按钮
	private Contract contact; //最后选中的联系人
	private List<IEntry> list;
    public ProfileDialog(Shell shell, String p2pid,String showName) {
        super(shell);
        this.p2pid=p2pid;
        this.showName=showName;
        detail=new HashMap<String, Label>();
    }

    protected void configureShell(Shell shell) {
        super.configureShell(shell);

        shell.setText("人员信息");
        Image image = P2PActivator.getImageDescriptor("icons/profile.gif").createImage(shell.getDisplay());
        shell.setImage(image);
        image.dispose();
    }
    
    protected Control createDialogArea(Composite parent) {
    	Composite composite=new Composite(parent,SWT.NULL);
        GridLayout gl=new GridLayout();
        gl.numColumns=2;
        composite.setLayout(gl);
        Font boldFont = JFaceResources.getFontRegistry().getBold(JFaceResources.DEFAULT_FONT);
        
        Contract contract = new Contract();
        contract.setProperty("p2pid", p2pid);
        try {
			List<IEntry> list=DMFactory.getDataManager(Contract.class).readList("p2pid", p2pid);
			if(list.size() > 0)
				contract=(Contract) list.get(0);
		} catch (DataException e) {
			e.printStackTrace();
		}
        
		String[] descs=contract.getFieldDescs();
		String[] values=contract.getContent();
		Label label;
		{
			label=new Label(composite,SWT.NULL);
	    	label.setText("显示名:");
	    	label.setFont(boldFont);
	    	
	    	label=new Label(composite,SWT.NULL);
	    	label.setText(showName);
	    	
		}
        for(int i=0;i<descs.length;i++){
        	label=new Label(composite,SWT.NULL);
        	label.setText(descs[i]+":");
        	label.setFont(boldFont);
        	
        	label=new Label(composite,SWT.NULL);
        	label.setText(values[i]);
        	detail.put(descs[i], label);
        }
        return composite;
    }
    
	@Override
	protected void buttonPressed(int buttonId) {
		if(buttonId == IDialogConstants.CLIENT_ID+1){
	        Shell shell2 = getShell();
			if(btv == null){
				Composite listComposite=new Composite((Composite)getDialogArea().getParent(),SWT.NULL);
		        listComposite.setLayout(new GridLayout());
		        initTableViewer(listComposite);
		        GridDataFactory.fillDefaults().grab(true, true).applyTo(btv);
		        Point size = shell2.getSize();
		        Rectangle bounds = getButtonBar().getBounds();
		        shell2.setSize(size.x, size.y+240);
		        listComposite.setSize(size.x, 240);
		        ((Composite)getButtonBar()).layout();
		        getButtonBar().setBounds(bounds); //重设button区
		        contactButton.setText("隐藏联系人列表");
				shell2.layout();
			}else{
				btv.getParent().dispose();
				btv=null;
				contactButton.setText("显示联系人列表");
				shell2.pack();
			}
				
		}
		
		//保存关联关系
		if(buttonId == IDialogConstants.OK_ID && contact != null){
			try {
				contact.setProperty("p2pid", p2pid);
				DMFactory.getDataManager(Contract.class).createList(list);
			} catch (DataException e) {
				e.printStackTrace();
			}
		}
		
		super.buttonPressed(buttonId);
	}
	@Override
	protected void createButtonsForButtonBar(Composite parent) {
		createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL,true);
		contactButton = createButton(parent, IDialogConstants.CLIENT_ID+1, "显示联系人列表",false);
	}
	private void initTableViewer(Composite parent) {
		try {
			list = DMFactory.getDataManager(Contract.class).readList();
		} catch (DataException e) {
			e.printStackTrace();
		}
		IBindedTableModel model = new BeanBindedTableModel(list){
			public Object createRow() {
				return new Contract();
			}};
		model.setEditable(false);
		IEntry entry=new Contract();
		String[] fieldNames = entry.getFieldNames();
		String[] fieldDescs = entry.getFieldDescs();
		for(int i=0;i<fieldNames.length;i++){
			BindedTableColumn btc=new TextBindedTableColumn(fieldNames[i]);
			btc.setEditable(false);
			btc.setEditor(null);
			btc.setShowName(fieldDescs[i]);
			model.addColumn(btc);
		}		
		
		btv = new BindedTableViewer(parent,SWT.NULL);
		btv.setModel(model);
		btv.setRowCreateRemovable( false);
		btv.setRowsOrderable( false);
		btv.setColsOrderable( false);
		btv.create();
		
		btv.getTableViewer().addSelectionChangedListener(new ISelectionChangedListener(){

			public void selectionChanged(SelectionChangedEvent event) {
				StructuredSelection ss=(StructuredSelection)event.getSelection();
				contact = (Contract)ss.getFirstElement();
				final String[] descs=contact.getFieldDescs();
				final String[] values=contact.getContent();
				for(int i=0;i<descs.length-1;i++){
					Label label = detail.get(descs[i]);
					label.setText(values[i]);
					label.setSize(label.computeSize(SWT.DEFAULT, SWT.DEFAULT));
				}
			}});		
	}	
}