| 1 | /** |
| 2 | * Copyright 2005-2011 Steve McDuff d-duff@users.sourceforge.net |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.deduced.viewer.web.shared; |
| 17 | |
| 18 | /** |
| 19 | * Combo Box Item Model |
| 20 | * |
| 21 | * @author Steve McDuff |
| 22 | * |
| 23 | */ |
| 24 | public class ComboBoxItemModel extends Model implements ModelContainer |
| 25 | { |
| 26 | |
| 27 | /** |
| 28 | * serialVersionUID |
| 29 | */ |
| 30 | private static final long serialVersionUID = 1410622635166688696L; |
| 31 | |
| 32 | /** |
| 33 | * tree node text. If the component field is null, this text will be |
| 34 | * displayed in the tree item. |
| 35 | */ |
| 36 | private String text; |
| 37 | |
| 38 | /** |
| 39 | * widget to display in the tree node |
| 40 | */ |
| 41 | private WidgetModel component; |
| 42 | |
| 43 | /** |
| 44 | * ComboBoxItemModel constructor |
| 45 | */ |
| 46 | public ComboBoxItemModel() |
| 47 | { |
| 48 | |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * (non-JSDoc) |
| 53 | * |
| 54 | * @see org.deduced.viewer.web.shared.Model#registerChildModels() |
| 55 | */ |
| 56 | @Override |
| 57 | protected void registerChildModels() |
| 58 | { |
| 59 | registerChildModel(getComponent(), this); |
| 60 | super.registerChildModels(); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * (non-JSDoc) |
| 65 | * |
| 66 | * @see org.deduced.viewer.web.shared.Model#deleteChildModels() |
| 67 | */ |
| 68 | @Override |
| 69 | protected void deleteChildModels() |
| 70 | { |
| 71 | deleteComponent(); |
| 72 | super.deleteChildModels(); |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * set the Component |
| 77 | * |
| 78 | * @param widget the component in the tree item |
| 79 | */ |
| 80 | public void setComponent( |
| 81 | WidgetModel widget) |
| 82 | { |
| 83 | component = widget; |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * delete the Component in the tree item |
| 88 | */ |
| 89 | private void deleteComponent() |
| 90 | { |
| 91 | if (component != null) |
| 92 | { |
| 93 | component.delete(); |
| 94 | setComponent(null); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * (non-JSDoc) |
| 100 | * |
| 101 | * @see org.deduced.viewer.web.shared.UserInterfaceModel#propertyChanged(org.deduced.viewer.web.shared.ChangeEvent) |
| 102 | */ |
| 103 | @SuppressWarnings("unchecked") |
| 104 | @Override |
| 105 | public void propertyChanged( |
| 106 | ChangeEvent event) |
| 107 | { |
| 108 | String eventName = event.getName(); |
| 109 | if (Utilities.equals(eventName, "component")) |
| 110 | { |
| 111 | WidgetModel newComponent = |
| 112 | (WidgetModel) event.getSerializableValue(); |
| 113 | updateComponent(newComponent); |
| 114 | } |
| 115 | else if (Utilities.equals(eventName, "text")) |
| 116 | { |
| 117 | String newText = (String) event.getSerializableValue(); |
| 118 | updateText(newText); |
| 119 | } |
| 120 | else |
| 121 | { |
| 122 | super.propertyChanged(event); |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * update the component and register it |
| 128 | * |
| 129 | * @param newComponent the new component |
| 130 | */ |
| 131 | public void updateComponent( |
| 132 | WidgetModel newComponent) |
| 133 | { |
| 134 | setComponent(updateModel(newComponent, getComponent(), this)); |
| 135 | |
| 136 | notifyParentThatModelChanged(); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * text Changed |
| 141 | * |
| 142 | * @param newText the new text |
| 143 | */ |
| 144 | public void updateText( |
| 145 | String newText) |
| 146 | { |
| 147 | setText(newText); |
| 148 | notifyParentThatModelChanged(); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * @return the component |
| 153 | */ |
| 154 | public WidgetModel getComponent() |
| 155 | { |
| 156 | return component; |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * @param setText the text to set |
| 161 | */ |
| 162 | public void setText( |
| 163 | String setText) |
| 164 | { |
| 165 | text = setText; |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * @return the text |
| 170 | */ |
| 171 | public String getText() |
| 172 | { |
| 173 | return text; |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * (non-JSDoc) |
| 178 | * |
| 179 | * @see org.deduced.viewer.web.shared.ModelContainer#modelChanged(org.deduced.viewer.web.shared.Model) |
| 180 | */ |
| 181 | @Override |
| 182 | public void modelChanged( |
| 183 | Model model) |
| 184 | { |
| 185 | notifyParentThatModelChanged(); |
| 186 | } |
| 187 | |
| 188 | } |