| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.impl |
| |
| import javax.swing.* |
| import javax.swing.table.TableCellEditor |
| import javax.swing.tree.TreeCellEditor |
| import java.awt.* |
| import java.util.List |
| |
| class ClosureCellEditor extends AbstractCellEditor implements TableCellEditor, TreeCellEditor { |
| private static final long serialVersionUID = -5924126854559540546L |
| |
| Map<String, Closure> callbacks = [:] |
| Closure prepareEditor |
| Closure editorValue |
| List children = [] |
| boolean defaultEditor |
| |
| JTable table |
| JTree tree |
| Object value |
| boolean selected |
| boolean expanded |
| boolean leaf |
| int row |
| int column |
| |
| ClosureCellEditor(Closure c = null, Map<String, Closure> callbacks = [:]) { |
| this.editorValue = c |
| this.callbacks.putAll(callbacks) |
| } |
| |
| @Override |
| Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) { |
| this.table = table |
| this.tree = null |
| this.value = value |
| this.selected = isSelected |
| this.expanded = false |
| this.leaf = false |
| this.row = row |
| this.column = column |
| |
| return prepare(); |
| } |
| |
| Component getTreeCellEditorComponent(JTree tree, Object value, boolean isSelected, boolean expanded, boolean leaf, int row) { |
| this.table = null |
| this.tree = tree |
| this.value = value |
| this.selected = isSelected |
| this.expanded = expanded |
| this.leaf = leaf |
| this.row = row |
| this.column = -1 |
| |
| return prepare(); |
| } |
| |
| private Component prepare() { |
| if (children.isEmpty() || defaultEditor) { |
| defaultEditor = true |
| children.clear() |
| if (table) { |
| TableCellEditor tce = table.getDefaultEditor(table.getColumnClass(column)) |
| children.add(tce.getTableCellEditorComponent(table, value, selected, row, column)) |
| } else if (tree) { |
| TreeCellEditor tce = new DefaultCellEditor(new JTextField()) |
| children.add(tce.getTreeCellEditorComponent(tree, value, selected, expanded, leaf, row)) |
| } |
| } |
| Object o = prepareEditor.call() |
| if (o instanceof Component) { |
| return (Component) o |
| } else { |
| return (Component) children[0] |
| } |
| } |
| |
| @Override |
| Object getCellEditorValue() { |
| editorValue.call() |
| } |
| |
| void setEditorValue(Closure editorValue) { |
| if (editorValue != null) { |
| editorValue.delegate = this |
| editorValue.resolveStrategy = Closure.DELEGATE_FIRST |
| } |
| this.editorValue = editorValue |
| } |
| |
| void setPrepareEditor(Closure prepareEditor) { |
| if (prepareEditor != null) { |
| prepareEditor.delegate = this |
| prepareEditor.resolveStrategy = Closure.DELEGATE_FIRST |
| } |
| this.prepareEditor = prepareEditor |
| } |
| |
| @Override |
| Object invokeMethod(String name, Object args) { |
| def calledMethod = ClosureCellEditor.metaClass.getMetaMethod(name, args) |
| if (callbacks."$name" && callbacks."$name" instanceof Closure) |
| return callbacks."$name".call(calledMethod, this, args) |
| else |
| return calledMethod?.invoke(this, args) |
| } |
| } |