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Groovy example source code file (EmptyBorderFactory.groovy)
The Groovy EmptyBorderFactory.groovy source code/* * 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 /** * accepts values in lieu of attributes: * int - all of top, left, bottom, right * [int, int, int, int] - top, left, bottom, right * accepts attributes when no value present: * top: int, left: int, bottom: int, right: int * */ class EmptyBorderFactory extends SwingBorderFactory { public Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) { builder.context.applyBorderToParent = attributes.remove('parent') if (!attributes) { if (value instanceof Integer) { return BorderFactory.createEmptyBorder(value, value, value, value) } else if (value instanceof List && value.size() == 4) { // we need GDK methods on Collection for boolean .any{} and boolean .all{} :( boolean ints = true value.each {ints = ints & it instanceof Integer} if (ints) { return BorderFactory.createEmptyBorder(*value); } } throw new RuntimeException("$name only accepts a single integer or an array of four integers as a value argument"); } if (value == null) { int top = attributes.remove("top") int left = attributes.remove("left") int bottom = attributes.remove("bottom") int right = attributes.remove("right") if ((top == null) || (top == null) || (top == null) || (top == null) || attributes) { throw new RuntimeException("When $name is called it must be call with top:, left:, bottom:, right:, and no other attributes") } return BorderFactory.createEmptyBorder(top, left, bottom, right); } throw new RuntimeException("$name cannot be called with both an argulent value and attributes") } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy EmptyBorderFactory.groovy source code file: |
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