querycommanderview.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 183 行

/*
 * Created on 13-08-2004
 *
 */
package net.sf.hibernate.console.views;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetAdapter;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.event.ActionEvent;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.io.IOException;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JComboBox;
import javax.swing.JEditorPane;
import javax.swing.JPanel;
import javax.swing.JToolBar;
import javax.swing.KeyStroke;
import javax.swing.text.StyledEditorKit;

import net.sf.hibernate.console.History;
import net.sf.hibernate.console.QueryPage;
import net.sf.hibernate.console.SessionController;
import net.sf.hibernate.console.highlighter.REHqlTypes;

/**
 * @author MAX
 *
 */
public class QueryCommanderView extends AbstractSessionView {
	private JEditorPane editor;
	private History history;
	private JPanel panel;
	
	private Action executeAction;
    private Action executeCriteriaAction;
	private Action forwardHistoryAction;
	private Action backHistoryAction;
	
	final private SessionController controller;
	
	
	public QueryCommanderView(SessionController controller) {
		this.controller = controller;
		createActions();
		StyledEditorKit kit = null;
		kit = new REHqlTypes.Kit();

		editor = new JEditorPane();
		editor.setEditorKit(kit);

		new DropTarget(editor, new DropTargetAdapter() {
			public void drop(DropTargetDropEvent e) {
				try {
					DataFlavor stringFlavor = DataFlavor.stringFlavor;
					Transferable tr = e.getTransferable();
					if (e.isDataFlavorSupported(stringFlavor)) {
						String text = (String) tr.getTransferData(stringFlavor);
						e.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
						editor.setText(text);
						e.dropComplete(true);
					} else {
						e.rejectDrop();
					}
				} catch (IOException ioe) {
					ioe.printStackTrace();
				} catch (UnsupportedFlavorException ufe) {
					ufe.printStackTrace();
				}
			}
		});

		//editor.setPreferredSize(new Dimension());
		editor.setMinimumSize(new Dimension(10, 10));
		editor.setMaximumSize(new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE));
		//editor.setTokenMarker(new HQLTokenMarker());
		
		panel = new JPanel(new BorderLayout());
		
		JToolBar tbar = new JToolBar();

		tbar.setFloatable(false);

		history = new History();

		final JComboBox box = new JComboBox(history);
		box.setEditable(false);
		box.setAction(new AbstractAction() {
			public void actionPerformed(ActionEvent e) {
				editor.setText((String) box.getSelectedItem());
			}
		});

		tbar.add(executeAction);
        tbar.add(executeCriteriaAction);
		tbar.add(backHistoryAction);
		tbar.add(forwardHistoryAction);
		tbar.add(box);

		panel.add(tbar, BorderLayout.NORTH);
		panel.add(editor, BorderLayout.CENTER);

	}
	public Container getContainer() {
		return panel;
	}

	private void createActions() {
		executeAction = new ExecuteQuery();
        executeCriteriaAction = new ExecuteJava();

		backHistoryAction = new AbstractAction("Back") {
			public void actionPerformed(ActionEvent e) {
				editor.setText((String) history.back());
			}
		};

		forwardHistoryAction = new AbstractAction("Forward") {
			public void actionPerformed(ActionEvent e) {
				editor.setText((String) history.forward());
			}
		};
		
	}

	public class ExecuteQuery extends AbstractAction {
		int execcount = 0;
		ExecuteQuery() {
			super("Execute query");
			//initialize the action fields with what you want
			putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, InputEvent.CTRL_DOWN_MASK));
			putValue(ACTION_COMMAND_KEY, "execQuery");
			putValue(LONG_DESCRIPTION, "Execute the HQL Query");
			putValue(MNEMONIC_KEY, new Integer('q'));
			putValue(SHORT_DESCRIPTION, "Execute Query");
			//putValue(SMALL_ICON, icon);
		}

		public void actionPerformed(ActionEvent e) {
			controller.executeHQLQuery(editor.getText());
		}
	}

    public class ExecuteJava extends AbstractAction {
        ExecuteJava() {
            super("Execute Java");
            //initialize the action fields with what you want
            putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, InputEvent.SHIFT_DOWN_MASK));
            putValue(ACTION_COMMAND_KEY, "execJava");
            putValue(LONG_DESCRIPTION, "Execute Java code and show the result");
            putValue(MNEMONIC_KEY, new Integer('j'));
            putValue(SHORT_DESCRIPTION, "Execute Java");
            //putValue(SMALL_ICON, icon);
        }

        public void actionPerformed(ActionEvent e) {
        	controller.executeJavaQuery(editor.getText());
        }
    }

	public String getQueryText() {
		return editor.getText();
	}
	public void setQueryText(String hql) {
		editor.setText(hql);
	}
	
	public void queryPageCreated(QueryPage qp) {
		history.addElement(qp.getQueryString());
	}

}