001 /*
002 * Copyright 2008-2015 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 package griffon.javafx.editors;
017
018 import griffon.core.editors.AbstractPropertyEditor;
019 import griffon.metadata.PropertyEditorFor;
020 import javafx.scene.image.Image;
021 import javafx.scene.image.ImageView;
022
023 import java.io.File;
024 import java.io.InputStream;
025 import java.lang.reflect.Constructor;
026 import java.lang.reflect.InvocationTargetException;
027 import java.net.MalformedURLException;
028 import java.net.URI;
029 import java.net.URL;
030
031 import static griffon.util.GriffonNameUtils.isBlank;
032
033 /**
034 * @author Andres Almiray
035 */
036 @PropertyEditorFor(Image.class)
037 public class ImagePropertyEditor extends AbstractPropertyEditor {
038 protected void setValueInternal(Object value) {
039 if (null == value) {
040 super.setValueInternal(null);
041 } else if (value instanceof CharSequence) {
042 handleAsString(String.valueOf(value));
043 } else if (value instanceof File) {
044 handleAsFile((File) value);
045 } else if (value instanceof URL) {
046 handleAsURL((URL) value);
047 } else if (value instanceof URI) {
048 handleAsURI((URI) value);
049 } else if (value instanceof InputStream) {
050 handleAsInputStream((InputStream) value);
051 } else if (value instanceof Image) {
052 super.setValueInternal(value);
053 } else {
054 throw illegalValue(value, Image.class);
055 }
056 }
057
058 protected void handleAsString(String str) {
059 if (isBlank(str)) {
060 super.setValueInternal(null);
061 } else if (str.contains("|")) {
062 handleAsClassWithArg(str);
063 } else {
064 handleAsURL(getClass().getClassLoader().getResource(str));
065 }
066 }
067
068 protected void handleAsFile(File file) {
069 try {
070 handleAsURL(file.toURI().toURL());
071 } catch (MalformedURLException e) {
072 throw illegalValue(file, URL.class, e);
073 }
074 }
075
076 protected void handleAsURL(URL url) {
077 try {
078 super.setValueInternal(new Image(url.toString()));
079 } catch (Exception e) {
080 throw illegalValue(url, URL.class, e);
081 }
082 }
083
084 protected void handleAsURI(URI uri) {
085 try {
086 handleAsURL(uri.toURL());
087 } catch (MalformedURLException e) {
088 throw illegalValue(uri, URL.class, e);
089 }
090 }
091
092 protected void handleAsInputStream(InputStream stream) {
093 try {
094 super.setValueInternal(new Image(stream));
095 } catch (Exception e) {
096 throw illegalValue(stream, URL.class, e);
097 }
098 }
099
100 protected void handleAsClassWithArg(String str) {
101 String[] args = str.split("\\|");
102 if (args.length == 2) {
103 Class<?> iconClass = null;
104 try {
105 iconClass = ImagePropertyEditor.class.getClassLoader().loadClass(args[0]);
106 } catch (ClassNotFoundException e) {
107 throw illegalValue(str, Image.class, e);
108 }
109
110 Constructor<?> constructor = null;
111 try {
112 constructor = iconClass.getConstructor(String.class);
113 } catch (NoSuchMethodException e) {
114 throw illegalValue(str, Image.class, e);
115 }
116
117 try {
118 Object o = constructor.newInstance(args[1]);
119 if (o instanceof Image) {
120 super.setValueInternal(o);
121 } else if (o instanceof ImageView) {
122 super.setValueInternal(((ImageView) o).getImage());
123 } else {
124 throw illegalValue(str, Image.class);
125 }
126 } catch (InstantiationException | InvocationTargetException | IllegalAccessException e) {
127 throw illegalValue(str, Image.class, e);
128 }
129 } else {
130 throw illegalValue(str, Image.class);
131 }
132 }
133 }
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