blob: 175a665244d41271949d000f9bdf8818d755a134 [file] [log] [blame]
/*
* Copyright 2007 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package groovy.swing.factory
import javax.swing.BorderFactory
/**
* matteBorder requires essentially two parameter, a mat definition and a
* border size definition. The value argument can accept either of these:
* any of a java.awt.Color, a javax.swing.Icon, an integer, or a 4 arg
* integer array. The remaining parameter must be define via attributes,
* either an icon: or color: attribute and a size: or top:, left:, bottom:,
* and right: attribute.
*/
class MatteBorderFactory extends SwingBorderFactory {
public Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) {
builder.context.applyBorderToParent = attributes.remove('parent')
def matte
def border
if (attributes.containsKey('icon')) {
matte = attributes.remove('icon')
} else if (attributes.containsKey('color')) {
matte = attributes.remove('color')
} else if (value != null) {
matte = value
} else {
throw new RuntimeException("$name must have a matte defined, either as a value argument or as a color: or icon: attribute");
}
if (attributes.containsKey('size')) {
border = attributes.remove('size');
border = [border, border, border, border]
} else if (attributes.containsKey('top')) {
def top = attributes.remove('top')
def left = attributes.remove('left')
def bottom = attributes.remove('bottom')
def right = attributes.remove('right')
if ((top == null) || (left == null) || (bottom == null) || (right == null)) {
throw new RuntimeException("In $name if one of top:, left:, bottom: or right: is specified all must be specified")
}
border = [top, left, bottom, right]
} else if (value != null) {
if (matte == value) {
throw new RuntimeException("In $name some attributes are required in addition to the value argument")
}
if (value instanceof Integer) {
border = [value, value, value, value]
} else {
border = value
}
}
if (attributes) {
throw new RuntimeException("$name only supports the attributes [ icon: | color:] [ size: | ( top: left: bottom: right: ) }")
}
// spread list and milti-dispatch. That's groovy!
return BorderFactory.createMatteBorder(*border, matte)
}
}