CD Ware Multimedia 1999 February/CDW0299.iso/Demos/Cafe/Source.bin/CalendarBeanInfo.java

Java Source | 1998-03-18 | 6.3 KB | 193 lines

package symantec.itools.awt.util;

import java.beans.*;
import symantec.itools.beans.*;
import java.util.ResourceBundle;

/**
 * BeanInfo for Calendar.
 *
 */

public class CalendarBeanInfo extends SimpleBeanInfo {

    /**
     * Constructs a CalendarBeanInfo object.
     */
    public CalendarBeanInfo() {
    }

    /**
     * Gets a BeanInfo for the superclass of this bean.
     * @return BeanInfo[] containing this bean's superclass BeanInfo
     */
    public BeanInfo[] getAdditionalBeanInfo() {
        try {
            BeanInfo[] bi = new BeanInfo[1];
            bi[0] = Introspector.getBeanInfo(beanClass.getSuperclass());
            return bi;
        }
        catch (IntrospectionException e) { throw new Error(e.toString());}
    }

    /**
     * Gets the SymantecBeanDescriptor for this bean.
     * @return an object of type SymantecBeanDescriptor
     * @see symantec.itools.beans.SymantecBeanDescriptor
     */
    public BeanDescriptor getBeanDescriptor() {
        ResourceBundle group = ResourceBundle.getBundle("symantec.itools.resources.GroupBundle");
        String s=group.getString("GroupUtility");

        SymantecBeanDescriptor bd = new SymantecBeanDescriptor(beanClass);
        bd.setCanAddChild(false);
        bd.setWinHelp("0x1238C");
        bd.setFolder(s);
        bd.setToolbar(s);

        return (BeanDescriptor) bd;
    }

    /**
     * Gets an image that may be used to visually represent this bean
     * (in the toolbar, on a form, etc).
     * @param iconKind the type of icon desired, one of: BeanInfo.ICON_MONO_16x16,
     * BeanInfo.ICON_COLOR_16x16, BeanInfo.ICON_MONO_32x32, or BeanInfo.ICON_COLOR_32x32.
     * @return an image for this bean, always color even if requested monochrome
     * @see BeanInfo#ICON_MONO_16x16
     * @see BeanInfo#ICON_COLOR_16x16
     * @see BeanInfo#ICON_MONO_32x32
     * @see BeanInfo#ICON_COLOR_32x32
     */
    public java.awt.Image getIcon(int iconKind) {
        if (iconKind == BeanInfo.ICON_MONO_16x16 ||
            iconKind == BeanInfo.ICON_COLOR_16x16) {
            java.awt.Image img = loadImage("CalendarC16.gif");
            return img;
        }

        if (iconKind == BeanInfo.ICON_MONO_32x32 ||
            iconKind == BeanInfo.ICON_COLOR_32x32) {
            java.awt.Image img = loadImage("CalendarC32.gif");
            return img;
        }

        return null;
    }

    /**
     * Gets an array of descriptions of the methods used for "connections" by
     * Visual CafΘ's Interaction Wizard.
     * Included in each method description is a CONNECTIONS ConnectionDescriptor.
     * @return method descriptions for this bean
     * @see symantec.itools.beans.ConnectionDescriptor#CONNECTIONS
     */
    public MethodDescriptor[] getMethodDescriptors() {
        Class[] args;
        ConnectionDescriptor connection;
        java.util.Vector connections;
        java.util.Vector md = new java.util.Vector();
        ResourceBundle conn = ResourceBundle.getBundle("symantec.itools.resources.ConnBundle");

        try{
            args = new Class[1];
            args[0] = java.lang.String.class ;
            MethodDescriptor setDate = new MethodDescriptor(beanClass.getMethod("setDate", args));

            connections = new java.util.Vector();
            connection = new ConnectionDescriptor("input", "String", "",
                                    "%name%.setDate(%arg%);",
                                    conn.getString("setDate"));
            connections.addElement(connection);

            setDate.setValue(ConnectionDescriptor.CONNECTIONS, connections);
            md.addElement(setDate);
        } catch (Exception e) { throw new Error("setDate:: " + e.toString()); }

        try{
            args = null;
            MethodDescriptor getSelectedColor = new MethodDescriptor(beanClass.getMethod("getSelectedColor", args));

            connections = new java.util.Vector();
            connection = new ConnectionDescriptor("output", "Color", "",
                                    "%name%.getSelectedColor()",
                                    conn.getString("getSelectedColor"));
            connections.addElement(connection);

            getSelectedColor.setValue(ConnectionDescriptor.CONNECTIONS, connections);
            md.addElement(getSelectedColor);
        } catch (Exception e) { throw new Error("getSelectedColor:: " + e.toString()); }

        try{
            args = new Class[1];
            args[0] = java.awt.Color.class ;
            MethodDescriptor setSelectedColor = new MethodDescriptor(beanClass.getMethod("setSelectedColor", args));

            connections = new java.util.Vector();
            connection = new ConnectionDescriptor("input", "Color", "",
                                    "%name%.setSelectedColor(%arg%);",
                                    conn.getString("setSelectedColor"));
            connections.addElement(connection);

            setSelectedColor.setValue(ConnectionDescriptor.CONNECTIONS, connections);
            md.addElement(setSelectedColor);
        } catch (Exception e) { throw new Error("setSelectedColor:: " + e.toString()); }

        try{
            args = null;
            MethodDescriptor getDate = new MethodDescriptor(beanClass.getMethod("getDate", args));

            connections = new java.util.Vector();
            connection = new ConnectionDescriptor("output", "String", "",
                                    "%name%.getDate()",
                                    conn.getString("getDate"));
            connections.addElement(connection);

            getDate.setValue(ConnectionDescriptor.CONNECTIONS, connections);
            md.addElement(getDate);
        } catch (Exception e) { throw new Error("getDate:: " + e.toString()); }

        MethodDescriptor[] rv = new MethodDescriptor[md.size()];
        md.copyInto(rv);

        return rv;
    }

    /**
     * Returns descriptions of this bean's properties.
     */
    public PropertyDescriptor[] getPropertyDescriptors() {
        ResourceBundle prop = ResourceBundle.getBundle("symantec.itools.resources.PropBundle");

        try{
        PropertyDescriptor defProperty = new PropertyDescriptor("date", beanClass);
        defProperty.setBound(true);
        defProperty.setConstrained(true);
        defProperty.setDisplayName(prop.getString("date"));

        PropertyDescriptor selectedColor = new PropertyDescriptor("selectedColor", beanClass);
        selectedColor.setBound(true);
        selectedColor.setConstrained(true);
        selectedColor.setDisplayName(prop.getString("selectedColor"));

        PropertyDescriptor layout = new PropertyDescriptor("layout", beanClass);
        layout.setHidden(true);

        PropertyDescriptor[] rv = {
            defProperty,
            selectedColor,
            layout};
        return rv;
        } catch (IntrospectionException e) { throw new Error(e.toString()); }
    }

    /**
     * Returns the index of the property expected to be changed most often by the designer.
     */
    public int getDefaultPropertyIndex() {
        return 0;    //  the index for our default property is always 0
    }

    private final static Class beanClass = Calendar.class;

    }    //  end of class CalendarBeanInfo