ejtools-cvs

[Laurent E. <let...@us...>]

Update of /cvsroot/ejtools/libraries/adwt/src/main/net/sourceforge/ejtools/awt
In directory usw-pr-cvs1:/tmp/cvs-serv15372/libraries/adwt/src/main/net/sourceforge/ejtools/awt

Added Files:
	BeanContextListPanel.java BeanContextListView.java 
Log Message:
Add List View of BeanContext (List and Panel)

--- NEW FILE: BeanContextListPanel.java ---
/*
 *  EJTools, the Enterprise Java Tools
 *
 *  Distributable under LGPL license.
 *  See terms of license at www.gnu.org.
 */
package net.sourceforge.ejtools.awt;

import java.awt.Container;
import java.awt.Dimension;
import java.beans.beancontext.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.tree.*;

/**
 *Description of the Class
 *
 * @author     Administrator
 * @created    16 octobre 2001
 */
public class BeanContextListPanel extends JSplitPane {

    JList list;


    /**
     *Constructor for the BeanContextListPanel object
     *
     * @param  beancontext  Description of Parameter
     */
    public BeanContextListPanel(BeanContext beancontext) {
        this(beancontext, null);
    }


    /**
     *Constructor for the BeanContextListPanel object
     *
     * @param  beancontext  Description of Parameter
     * @param  s            Description of Parameter
     */
    public BeanContextListPanel(BeanContext beancontext, String s) {
        super(1);
        if (s != null) {
            setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), s));
        }
        list = new BeanContextListView(beancontext);
        JScrollPane jscrollpane = new JScrollPane(list);
        jscrollpane.setMinimumSize(new Dimension(200, 300));
        jscrollpane.setPreferredSize(new Dimension(200, 300));
        final JPanel dummyMsg = new JPanel();
        dummyMsg.add(new JLabel("", 0));
        setLeftComponent(jscrollpane);
        setRightComponent(dummyMsg);
        list.addListSelectionListener(
            new ListSelectionListener() {

                public void valueChanged(ListSelectionEvent e) {
                    if (e.getValueIsAdjusting()) {
                        return;
                    }
                    final int index = list.getSelectedIndex();
                    final ListModel model = list.getModel();
                    SwingUtilities.invokeLater(
                        new Runnable() {

                            public void run() {
                                try {
                                    Object obj = ((BeanContextListView.ContextElement) model.getElementAt(index)).getUserObject();
                                    if (obj instanceof BeanContextChildComponentProxy) {
                                        BeanContextChildComponentProxy beancontextchildcomponentproxy = (BeanContextChildComponentProxy) obj;
                                        setRightComponent(beancontextchildcomponentproxy.getComponent());
                                    } else
                                            if (obj instanceof BeanContextContainerProxy) {
                                        BeanContextContainerProxy beancontextcontainerproxy = (BeanContextContainerProxy) obj;
                                        setRightComponent(beancontextcontainerproxy.getContainer());
                                    }
                                    validate();
                                } catch (Exception _ex) {
                                }
                            }

                        });
                }

            });
        list.getModel().addListDataListener(
            new ListDataListener() {

                public void intervalAdded(ListDataEvent e) {
                    list.clearSelection();
                    setRightComponent(dummyMsg);
                    validate();
                }


                public void intervalRemoved(ListDataEvent e) {
                    list.clearSelection();
                    setRightComponent(dummyMsg);
                    validate();
                }


                public void contentsChanged(ListDataEvent e) {
                    list.clearSelection();
                    setRightComponent(dummyMsg);
                    validate();
                }
            });
    }
}


--- NEW FILE: BeanContextListView.java ---
/*
 *  EJTools, the Enterprise Java Tools
 *
 *  Distributable under LGPL license.
 *  See terms of license at www.gnu.org.
 */
package net.sourceforge.ejtools.awt;

import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.beans.beancontext.*;
import java.lang.reflect.*;
import java.util.*;
import javax.swing.*;
import javax.swing.event.*;

/**
 *  Description of the Class
 *
 * @author     letiembl
 * @created    24 septembre 2001
 */
public class BeanContextListView extends JList {
    static Class class$java$lang$Object;


    /**
     *  Constructor for the BeanContextTreeView object
     *
     * @param  beancontext  Description of Parameter
     */
    public BeanContextListView(BeanContext beancontext) {

        setModel(new BeanContextListModel(beancontext));
        setCellRenderer(
            new DefaultListCellRenderer() {
                public Component getListCellRendererComponent(JList list, Object obj, int index, boolean isSelected, boolean cellHasFocus) {
                    try {
                        ContextElement contextelement = (ContextElement) obj;
                        Object obj1 = contextelement.getUserObject();
                        super.getListCellRendererComponent(list, obj1, index, isSelected, cellHasFocus);
                        if (contextelement.icon != null) {
                            setIcon(contextelement.icon);
                        }
                        return this;
                    } catch (Exception _ex) {
                        System.err.println(_ex.getMessage());
                        return super.getListCellRendererComponent(list, obj, index, isSelected, cellHasFocus);
                    }
                }
            });

    }


    /**
     *Description of the Method
     *
     * @param  s  Description of Parameter
     * @return    Description of the Returned Value
     */
    static Class _mthclass$(String s) {
        try {
            return Class.forName(s);
        } catch (ClassNotFoundException classnotfoundexception) {
            throw new NoClassDefFoundError(classnotfoundexception.getMessage());
        }
    }


    /**
     *Description of the Class
     *
     * @author     Administrator
     * @created    16 octobre 2001
     */
    class BeanContextListModel implements ListModel, BeanContextMembershipListener {
        BeanContext context;
        Vector listeners = new Vector();
        Vector content = new Vector();


        /**
         *Constructor for the BeanContextListModel object
         *
         * @param  beancontext  Description of Parameter
         */
        BeanContextListModel(BeanContext beancontext) {
            context = beancontext;
            context.addBeanContextMembershipListener(this);
            updateModel();
        }


        /**
         *Gets the size attribute of the BeanContextListModel object
         *
         * @return    The size value
         */
        public int getSize() {
            return context.size();
        }


        /**
         *Description of the Method
         *
         * @param  index  Description of Parameter
         * @return        Description of the Returned Value
         */
        public Object getElementAt(int index) {
            return content.elementAt(index);
        }


        /**
         *Adds a feature to the ListDataListener attribute of the BeanContextListModel object
         *
         * @param  l  The feature to be added to the ListDataListener attribute
         */
        public void addListDataListener(ListDataListener l) {
            listeners.add(l);
        }


        /**
         *Description of the Method
         *
         * @param  l  Description of Parameter
         */
        public void removeListDataListener(ListDataListener l) {
            listeners.remove(l);
        }


        /**
         *Description of the Method
         *
         * @param  beancontextmembershipevent  Description of Parameter
         */
        public void childrenAdded(BeanContextMembershipEvent beancontextmembershipevent) {
            updateModel();
            notifyListener();
        }


        /**
         *Description of the Method
         *
         * @param  beancontextmembershipevent  Description of Parameter
         */
        public void childrenRemoved(BeanContextMembershipEvent beancontextmembershipevent) {
            updateModel();
            notifyListener();
        }


        /**
         *Description of the Method
         */
        private void notifyListener() {
            ListDataEvent event = new ListDataEvent(this, ListDataEvent.CONTENTS_CHANGED, 0, content.size());
            for (int i = 0; i < listeners.size(); i++) {
                ListDataListener listener = (ListDataListener) listeners.elementAt(i);
                listener.contentsChanged(event);
            }
        }


        /**
         *Description of the Method
         */
        private void updateModel() {
            content.clear();
            Iterator enum = context.iterator();

            while (enum.hasNext()) {
                content.addElement(new ContextElement(enum.next()));
            }
        }
    }


    /**
     *Description of the Class
     *
     * @author     Administrator
     * @created    16 octobre 2001
     */
    class ContextElement implements BeanContextChildComponentProxy {
        ImageIcon icon = null;
        String txt;
        Object obj;


        /**
         *Constructor for the ContextNode object
         *
         * @param  obj1  Description of Parameter
         */
        ContextElement(Object obj1) {
            obj = obj1;
            try {
                BeanInfo beaninfo = Introspector.getBeanInfo(obj1.getClass());
                if (beaninfo.getIcon(1) != null) {
                    icon = new ImageIcon(beaninfo.getIcon(1));
                }
                Method method = obj1.getClass().getMethod("toString", new Class[0]);
                if (method.getDeclaringClass().equals(BeanContextListView.class$java$lang$Object == null ? ((Object) (BeanContextListView.class$java$lang$Object = BeanContextListView._mthclass$("java.lang.Object"))) : ((Object) (BeanContextListView.class$java$lang$Object)))) {
                    txt = beaninfo.getBeanDescriptor().getDisplayName();
                }
            } catch (Exception exception) {
                exception.printStackTrace();
            }
        }


        /**
         *Gets the component attribute of the ContextNode object
         *
         * @return    The component value
         */
        public Component getComponent() {
            if (obj instanceof Component) {
                return (Component) obj;
            }
            if (obj instanceof BeanContextContainerProxy) {
                return ((BeanContextContainerProxy) obj).getContainer();
            }
            if (obj instanceof BeanContextChildComponentProxy) {
                return ((BeanContextChildComponentProxy) obj).getComponent();
            } else {
                return new JLabel("No GUI available", 0);
            }
        }


        /**
         *Gets the userObject attribute of the ContextNode object
         *
         * @return    The userObject value
         */
        public Object getUserObject() {
            return obj;
        }


        /**
         *Description of the Method
         *
         * @return    Description of the Returned Value
         */
        public String toString() {
            return txt != null ? txt : obj.toString();
        }
    }
}