Java Swing Icon getIcon(String name, boolean isGrayIcon)

Description

gives an ImageIcon object given the name of it as it is witten in the SVGEditorIcons.properties file

License

Apache License

Parameter

Parameter	Description
name	the name of an icon
isGrayIcon	true if the icon should be used for a disabled widget

Return

an image icon

Declaration

public static ImageIcon getIcon(String name, boolean isGrayIcon) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.awt.Image;
import java.net.URL;
import java.util.HashMap;
import java.util.ResourceBundle;
import javax.swing.GrayFilter;
import javax.swing.ImageIcon;

public class Main {
    /**//from  w w w  . j  a v a  2  s  .  co m
    * the HashMap associating a an icon's name to an icon
    */
    private static final HashMap<String, ImageIcon> icons = new HashMap<String, ImageIcon>();
    /**
     * the HashMap associating a an icon's name to a gray icon
     */
    private static final HashMap<String, ImageIcon> grayIcons = new HashMap<String, ImageIcon>();

    /**
    * gives an ImageIcon object given the name of it as it is witten in the SVGEditorIcons.properties file
    * @param name the name of an icon
    * @param isGrayIcon true if the icon should be used for a disabled widget
    * @return an image icon 
    */
    public static ImageIcon getIcon(String name, boolean isGrayIcon) {

        ImageIcon icon = null;

        if (name != null && !name.equals("")) {

            if (icons.containsKey(name)) {

                if (isGrayIcon) {

                    icon = grayIcons.get(name);

                } else {

                    icon = icons.get(name);
                }

            } else {

                //gets the name of the icons from the resources
                ResourceBundle iconsBundle = null;

                try {
                    iconsBundle = ResourceBundle.getBundle("properties/SVGEditorIcons");
                } catch (Exception ex) {
                }

                String path = "";

                if (iconsBundle != null) {

                    try {
                        path = iconsBundle.getString(name);
                    } catch (Exception ex) {
                        path = "";
                    }

                    if (path != null && !path.equals("")) {

                        try {
                            icon = new ImageIcon(new URL(getPath("icons/" + path)));
                        } catch (Exception ex) {
                        }

                        if (icon != null) {

                            icons.put(name, icon);
                            Image image = icon.getImage();

                            ImageIcon grayIcon = new ImageIcon(GrayFilter.createDisabledImage(image));
                            grayIcons.put(name, grayIcon);

                            if (isGrayIcon) {

                                icon = grayIcon;
                            }
                        }
                    }
                }
            }
        }

        return icon;
    }

    /**
     * computes the path of a resource given its name
     * @param resource the name of a resource 
     * @return the full path of a resource
     */
    public static String getPath(String resource) {

        String path = "";

        try {
            if (resource.contains("icon")) //to find icon 
            {
                String tmppath = Class.class.getClass().getResource("/").getPath();
                path = "file:" + tmppath.replaceAll("/draw", "/graphics") + resource;
            } else {
                path = Class.class.getClass().getResource("/").getPath() + resource;
            }
            //            path=Reflection.getCallerClass().getClassLoader().getResource(resource).toExternalForm();
        } catch (Exception ex) {
            path = "";
        }

        return path;
    }
}

Related

1. getIcon(String name)
2. getIcon(String name)
3. getIcon(String name)
4. getIcon(String name)
5. getIcon(String name)
6. getIcon(String name, ClassLoader classLoader)
7. getIconCheckBox(String iconPath, String pressIconPath, String rolloverIconPath, String selectedIconPath)
8. getIconFromExtension(String f, boolean folder)
9. getIconInterTrial()