menutools.java

基于MPEG 7 标准,符合未来语义网架构,很值得参考

                    String infoText = getAttributeValue(entryElement, "statustext");
                    String iconName = getAttributeValue(entryElement, "image");
                    String commandId = getAttributeValue(entryElement, "command");

                    String actionListenerName = (String) actionListnerList.get(commandId);
                    entryName = nameWithAccelerator(entryName, entryAccelerator);

                    //cat.debug("Menu: " + entryName + ", " + actionListenerName);


                    switch (type) {
                        case TYPE_MENUBAR:
                            {
                                addMenuEntry(menuName, entryName, infoText, iconName, actionListenerName);
                                break;
                            }
                        case TYPE_POPUP:
                            {
                                cat.error("not implenented: not added to popup");
                                break;
                            }
                        default:
                            {
                                cat.error("unsupported id <" + type + ">");
                                break;
                            }
                    }
                } // end for menu entries
            } // end for menu bar eintries
        } catch (Exception e) {
            cat.error(e);
        }
    } // end method


    /**
     * generates a MenuItem that can be inserted in  JMenu of JPopupMenu
     *
     * @param iType the type of the item : ITEM_RADIO, ITEM_CHECK of ITEM_PLAIN
     */
    public JMenuItem createMenuItem(int iType, String sText,
                                    ImageIcon image, char acceleratorKey,
                                    String sToolTip) {
// Create the item
        JMenuItem menuItem;

        switch (iType) {
            case ITEM_RADIO:
                menuItem = new JRadioButtonMenuItem();
                break;

            case ITEM_CHECK:
                menuItem = new JCheckBoxMenuItem();
                break;

            default:
                menuItem = new JMenuItem();
                break;
        }



// Add the optional icon
        if ((image == null) || (image.getIconHeight() <= 0)) {
            String name = imageDir + "transparent.gif";
            //name = FileTools.removeFileUrlPrefix(name);
            //URL iconUrl = FileTools.getFileURL(name, null);
            //image = new ImageIcon(iconUrl);
            URL imageUrl = this.getClass().getResource(name);
            image = new ImageIcon(imageUrl);
            //assert (image.getIconHeight() > 0);
        }

        if ((image != null) && (image.getIconHeight() > 0))
            menuItem.setIcon(image);

// Add the item text
        menuItem.setText(sText);


// Add the accelerator key
        if (acceleratorKey > 0)
            menuItem.setMnemonic(acceleratorKey);

        // Add the optional tool tip text
        if (sToolTip != null)
            menuItem.setToolTipText(sToolTip);

        // Add an action handler to this menu item
        //menuItem.addActionListener(this);

        //menu.add(menuItem);

        return menuItem;
    }  // end method

    public JMenuItem createMenuItem(String sText, char acceleratorKey) {
        return createMenuItem(ITEM_PLAIN, sText, null, acceleratorKey, "");
    }

    /**
     * add a component to the menuebar (without actionlistener and menuentry)
     */
    public void addToolBarEntry(JComponent component1) {
        JToolBar toolBar = new JToolBar(component1.getName());
        toolBar.add(component1);

        //toolbarEntries.put(component1.getName(), toolBar);
        //mainFrame.getContentPane().add(toolBar, BorderLayout.NORTH);
        toolBarContainer.add(toolBar);
        toolBar.validate();
        toolBar.repaint();
    }

    /**
     * add a menuItem to menuBar
     */
    public void addMenuEntry(String category1, String entry1, String description1,
                             String iconName1, ActionListener actionListener1) {

        if (menuEntries == null)
            menuEntries = new HashMap();

        if (toolbarEntries == null)
            toolbarEntries = new HashMap();


        String iconFileName1 = imageDir + iconName1;
        //cat.debug("orginal input: <" + iconFileName1 + ">");
        //iconFileName1 = FileTools.removeFileUrlPrefix(iconFileName1);
        //URL iconUrl = FileTools.getFileURL(iconFileName1, null);

        URL iconUrl = this.getClass().getResource(iconFileName1);

        //String testStr = iconUrl2.toExternalForm();
        /*URL iconUrl3 = null;
        try {
           iconUrl3 = new URL(testStr);
        } catch (MalformedURLException e) {
           e.printStackTrace();
        }*/


        ImageIcon image1;
        if (iconUrl == null) {
            image1 = new ImageIcon(iconFileName1);
            cat.debug("url is null. pass name as string");
            //cat.debug("USING   FILE: \"" + iconFileName1 + "\"");
        } else {
            image1 = new ImageIcon(iconUrl);
            //cat.debug("USING   URL: \"" + iconUrl.toExternalForm() + "\"");
            //cat.debug("WORK    URL: \"" + iconUrl.toExternalForm() + "\"");
        }

        /*if (iconUrl2 != null )
        cat.debug("WORKING URL: \"" + iconUrl2.toExternalForm() + "\"");
        else
          cat.error("url2 is null.");*/

        /*cat.debug("getImage is null: " + (image1.getImage() == null) +
                     ", toSTring: <" + image1.toString() + ">");
  */

        // ---- add the entry to the menu
        MenuEntryStruct categoryData = new MenuEntryStruct(category1);
        MenuEntryStruct entryData = new MenuEntryStruct(entry1);

        //cat.debug(categoryData.toString());
        //cat.debug(entryData.toString());

        JMenu menu;
        if (menuEntries.containsKey(categoryData.getText())) {
            menu = (JMenu) menuEntries.get(categoryData.getText());
        } else {
            menu = new JMenu(categoryData.getText());
            if (categoryData.getMnemonic() != 0) {
                menu.setMnemonic(categoryData.getMnemonic());
            }
            menuEntries.put(categoryData.getText(), menu);
            menuBar.add(menu);
        }


        /*JMenuItem menuItem = createMenuItem(java2dTools.ITEM_PLAIN, entryData.getText(),
                image1, entryData.getMnemonic(), description1);
        */
        JMenuItem menuItem = createMenuItem(ITEM_PLAIN, entryData.getText(),
                image1, entryData.getMnemonic(), "");
        menuItem.addActionListener(actionListener1);
        menu.add(menuItem);

        // -- add the entry to the tool bar
        // add only, if the image exists


        //cat.debug("GO: " + image1.getIconHeight());
        if (image1.getIconHeight() > 0) {
            JToolBar toolBar;
            if (toolbarEntries.containsKey(categoryData.getText())) {
                toolBar = (JToolBar) toolbarEntries.get(categoryData.getText());
            } else {
                toolBar = new JToolBar(categoryData.getText());

                toolbarEntries.put(categoryData.getText(), toolBar);
                //mainFrame.getContentPane().add(toolBar, BorderLayout.NORTH);
                toolBarContainer.add(toolBar);
            }


            JButton jButton1 = new JButton();
            toolBar.add(jButton1);

            jButton1.setIcon(image1);
            jButton1.setToolTipText(description1);
            jButton1.addActionListener(actionListener1);
        }

    } // end method

    /**
     * create a own actionlistener from the name.
     */
    public void addMenuEntry(String category1, String entry1, String description1,
                             String iconName1, String actionListenerName1) {

        ActionListener actionListener = null;
        try {
            actionListener = createActionListener(actionListenerName1, parentClass);
        } catch (Exception e) {
            cat.error("Unable to create actionListener for \"" +
                    parentClass.getClass().getName() + "." + actionListenerName1 + "\"\n" +
                    "Menubar: <" + category1 + ">, Item: <" + entry1 + ">, Icon: <" + iconName1 + ">");

        }

        //ActionListener actionListener = getActionListener(actionListenerName1);
        addMenuEntry(category1, entry1, description1, iconName1, actionListener);


    }

    private static ActionListener createActionListener(String actionListenerName1, Object targetClass) {
        ActionListener actionListener;
        actionListener = (ActionListener)
                (GenericListener.create(ActionListener.class, "actionPerformed",
                        targetClass, actionListenerName1));
        return actionListener;
    }

    //------------- methods for using a popup menu

    // display the poputmenu
    public void showPopupMenu(Component parentComponent1, int x, int y) {
        if (popupMenu != null) {
            popupMenu.show(parentComponent1, x, y);
        }
    }


    public void addPopupMenuEntry(String entry1, String description1,
                                  String iconName1, String actionListenerName1) {
        ActionListener actionListener = (ActionListener)
                (GenericListener.create(ActionListener.class, "actionPerformed",
                        parentClass, actionListenerName1));

        addPopupMenuEntry(entry1, description1, iconName1, actionListener);
    }

    public void addPopupMenuEntry(String entry1, String description1,
                                  String iconName1, ActionListener actionListener1) {

        String iconFileName1 = imageDir + iconName1;
        ImageIcon image1 = new ImageIcon(iconFileName1);

        // ---- parse the entry to the menu
        MenuEntryStruct entryData = new MenuEntryStruct(entry1);

        //cat.debug(categoryData.toString());
        //cat.debug(entryData.toString());


        JMenuItem menuItem = createMenuItem(ITEM_PLAIN, entryData.getText(),
                image1, entryData.getMnemonic(), description1);
        menuItem.addActionListener(actionListener1);
        popupMenu.add(menuItem);
    } // end method

    public void removeAllPopupEntries() {
        if (popupMenu != null) {
            popupMenu.removeAll();
        }
    }

    public void setParentClass(Object parentClass) {
        this.parentClass = parentClass;
    }


    public JPopupMenu getPopupMenu() {
        return popupMenu;
    }
} // end class