querypageview.java

来自「Hibernate开发及整合应用大全 蔡雪焘编著 本书用典型的示例剖析Hiber」· Java 代码 · 共 259 行

/*
 * Created on 13-08-2004
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package net.sf.hibernate.console.views;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.sql.SQLException;
import java.util.Iterator;
import java.util.List;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JTabbedPane;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.JToolBar;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;

import net.sf.hibernate.console.ErrorListModel;
import net.sf.hibernate.console.Start;
import net.sf.hibernate.console.QueryExecutor;
import net.sf.hibernate.console.QueryPage;
import net.sf.hibernate.console.QueryPageModel;
import net.sf.hibernate.console.SessionController;
import net.sf.hibernate.console.swing.BeanTableModel;
import net.sf.hibernate.HibernateException;
import net.sf.hibernate.Session;

/**
 * @author MAX
 *
 */
public class QueryPageView extends AbstractSessionView {

	final private QueryPageModel qPages;

	final private QueryExecutor qe;
	final private ErrorListModel errorList;

	private final SessionController controller;

	private JTabbedPane pane;
	
	public QueryPageView(final QueryExecutor _qe, ErrorListModel em, final SessionController controller) {
		this.qe = _qe;
		this.errorList = em;
		this.controller = controller;
		qPages = new QueryPageModel();
		pane = new JTabbedPane();

		qPages.addListDataListener(new ListDataListener() {

			public void intervalAdded(ListDataEvent e) {
				contentsChanged(e);
			}

			public void intervalRemoved(ListDataEvent e) {
				contentsChanged(e);
			}

			boolean updating = false;
			public void contentsChanged(ListDataEvent e) {
				if(updating) return;
				try {
				updating = true;
				int oldIndex = pane.getSelectedIndex();
				pane.removeAll();
				JTable table = null; 	
				for (Iterator iter = qPages.getPages(); iter.hasNext();) {
					final QueryPage element = (QueryPage) iter.next();
					String tabTitle = element.getID() + ":" + element.getQueryString();
					JComponent comp = null;
					//Icon icon;
					
					List data = null; 
					
					if(element.getExceptions().size() == 0) {
						data = element.getList(); // calling here so if an error occurs the first time it will be shown as an exception.
					} else {
						// nop
					}
					
					if (element.getExceptions().size() > 0) {
						JTextArea ta = new JTextArea();
						StringBuffer str = new StringBuffer();
						str.append(element.getExceptions().size() + " errors occurred while listing (and calling getPathNames).\n");
						for (Iterator iterator = element.getExceptions().iterator(); iterator.hasNext();) {
                            
							Throwable error = (Throwable) iterator.next();
                            str.append(error + "\n");
                            while(error != null && error.getCause()!=null && error.getCause()!=error) {
                                error = error.getCause();
                                str.append(error + "\n");
                            } 
						}
						ta.setText(str.toString());
						comp = Start.createStrippedScrollPane(ta);

					} else {
						BeanTableModel btm = new BeanTableModel();
						btm.setColumns(element.getPathNames());
						
						btm.setData(data);
						table = new JTable(btm);
						final JTable fTable = table;
						
						final Action sel = Start.makeInspectAction(fTable, element.getSession());
						final Action prop = makeUpdatePropertyAction(QueryPageView.this.controller,table, element.getSession());
						Start.configureTableAction(table, sel, prop);
						
						JToolBar tb = new JToolBar("Query page toolbar");
						final JCheckBox box = new JCheckBox("Sticky");
						box.setSelected(element.isSticky());
						tb.add(box);					
						box.addItemListener(new ItemListener() {
							public void itemStateChanged(ItemEvent e) {
								element.setSticky(box.isSelected());
							}
						});
						final JButton flush = new JButton(new AbstractAction("flush() & commit()") {
							public void actionPerformed(ActionEvent e) {
								try {
									element.getSession().flush();
									element.getSession().connection().commit();
								} catch (HibernateException e1) {
									errorList.addError(e1);
								} catch (SQLException ex) {
									errorList.addError(ex);
								}
								
							}
						});
						tb.add(flush);
					
						
						//element
						JPanel p = new JPanel(new BorderLayout());
						p.add(tb, BorderLayout.NORTH);
						p.add(Start.createStrippedScrollPane(table), BorderLayout.CENTER);
						comp = p;
						
					}
					pane.addTab(tabTitle, comp);

				}
				if (oldIndex < pane.getTabCount() && oldIndex >= 0) {
					pane.setSelectedIndex(oldIndex);
				} else if (pane.getTabCount() > 0) {
					pane.setSelectedIndex(pane.getTabCount() - 1);
				}
				} finally {
					updating = false;
				}
			}

			
			
		});

		pane.addMouseListener(new MouseAdapter() {
			/* (non-Javadoc)
			* @see java.awt.event.MouseAdapter#mouseClicked(java.awt.event.MouseEvent)
			*/
			/* (non-Javadoc)
			* @see java.awt.event.MouseAdapter#mouseReleased(java.awt.event.MouseEvent)
			*/
			public void mouseReleased(MouseEvent e) {
				handleMouse(e, true);
			}

			public void mouseClicked(MouseEvent e) {
				handleMouse(e, false);
			}

			private void handleMouse(final MouseEvent e, boolean toggleSticky) {
				final int i = pane.getUI().tabForCoordinate(pane, e.getX(), e.getY());

				QueryPage qp = null;

				if (i > -1) {
					qp = qPages.get(i);
				}
				final QueryPage actionQP = qp;

				if (e.isPopupTrigger()) {
					JPopupMenu pop = new JPopupMenu();

					Action removeTab = new AbstractAction("Remove tab") {

						public void actionPerformed(ActionEvent ae) {
							if (i != -1) {
								qPages.remove(i);
							}
						}
					};
					Action hqlToEditor = new AbstractAction("Copy query into editor") {
						public void actionPerformed(ActionEvent ae) {
							if (actionQP != null) {
								qe.executeQuery(actionQP.getQueryString());
							}
						}
					};
					pop.add(hqlToEditor);
					pop.add(removeTab);
					pop.show(pane, e.getX(), e.getY());
				} else if (toggleSticky && e.getButton() != MouseEvent.NOBUTTON) {
					/*if (actionQP != null) {

						actionQP.setSticky(!actionQP.isSticky());
						qPages.update(i);
					} else {
						System.out.println("No QueryPage found at " + i);
					}*/
				}
			}

		});

	
	}

	public Container getContainer() {
		return pane;
	}
	
	public void queryPageCreated(QueryPage qp) {
		qPages.add(qp);		
	}

	static AbstractAction makeUpdatePropertyAction(final SessionController controller, final JTable fTable, final Session session) {
    	return new AbstractAction() {
    		public void actionPerformed(ActionEvent e) {
				int row = fTable.getSelectedRow();
				int col = fTable.getSelectedColumn();
				if (row >= 0 && col >= 0) {
					final Object o = fTable.getModel().getValueAt(row, col);
					controller.selectObject(session, o);					
				}
			}
    	};
    }
    
}