01 /*
02 * SPDX-License-Identifier: Apache-2.0
03 *
04 * Copyright 2008-2017 the original author or authors.
05 *
06 * Licensed under the Apache License, Version 2.0 (the "License");
07 * you may not use this file except in compliance with the License.
08 * You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package griffon.builder.lanterna.factory
19
20 import com.googlecode.lanterna.gui.component.Panel
21
22 /**
23 * @author Andres Almiray
24 */
25 class LayoutFactory extends BeanFactory {
26 private Map contextProps
27 static final String DELEGATE_PROPERTY_CONSTRAINT = '_delegateProperty:Constraint'
28 static final String DEFAULT_DELEGATE_PROPERTY_CONSTRAINT = 'constraints'
29
30 LayoutFactory(Class klass) {
31 super(klass, true)
32 }
33
34 Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) {
35 builder.context[DELEGATE_PROPERTY_CONSTRAINT] = attributes.remove('constraintsProperty') ?: DEFAULT_DELEGATE_PROPERTY_CONSTRAINT
36 Object o = super.newInstance(builder, name, value, attributes)
37 addLayoutProperties(builder.context)
38 return o
39 }
40
41 protected void addLayoutProperties(Map context, Class layoutClass) {
42 if (contextProps == null) {
43 contextProps = [:]
44 layoutClass.fields.each {
45 String name = it.name
46 if (name.toUpperCase() == name) {
47 contextProps[name] = layoutClass."$name"
48 }
49 }
50 }
51
52 context.putAll(contextProps)
53 }
54
55 protected void addLayoutProperties(Map context) {
56 addLayoutProperties(context, beanClass)
57 }
58
59 void setParent(FactoryBuilderSupport builder, Object parent, Object child) {
60 if (parent instanceof Panel) {
61 parent.layoutManager = child
62 }
63 }
64
65 static constraintsAttributeDelegate(builder, node, attributes) {
66 def constraintsAttr = builder?.context?.getAt(DELEGATE_PROPERTY_CONSTRAINT) ?: DEFAULT_DELEGATE_PROPERTY_CONSTRAINT
67 if (attributes.containsKey(constraintsAttr)) {
68 builder.context.constraints = attributes.remove(constraintsAttr)
69 }
70 }
71 }
|