src/main/java/jp/sourceforge/jindolf/LandsTree.java

   1 /*\r
   2  * Lands tree container\r
   3  *\r
   4  * License : The MIT License\r
   5  * Copyright(c) 2008 olyutorskii\r
   6  */\r
   7 \r
   8 package jp.sourceforge.jindolf;\r
   9 \r
  10 import java.awt.BorderLayout;\r
  11 import java.awt.EventQueue;\r
  12 import java.awt.Insets;\r
  13 import java.awt.event.ActionEvent;\r
  14 import java.awt.event.ActionListener;\r
  15 import java.net.URL;\r
  16 import javax.swing.BorderFactory;\r
  17 import javax.swing.ImageIcon;\r
  18 import javax.swing.JButton;\r
  19 import javax.swing.JComponent;\r
  20 import javax.swing.JPanel;\r
  21 import javax.swing.JScrollPane;\r
  22 import javax.swing.JToolBar;\r
  23 import javax.swing.JTree;\r
  24 import javax.swing.border.Border;\r
  25 import javax.swing.event.TreeSelectionEvent;\r
  26 import javax.swing.event.TreeSelectionListener;\r
  27 import javax.swing.tree.TreeModel;\r
  28 import javax.swing.tree.TreePath;\r
  29 import javax.swing.tree.TreeSelectionModel;\r
  30 \r
  31 /**\r
  32  * 国一覧Tree周辺コンポーネント群。\r
  33  */\r
  34 @SuppressWarnings("serial")\r
  35 public class LandsTree\r
  36         extends JPanel\r
  37         implements ActionListener, TreeSelectionListener{\r
  38 \r
  39     private static final String TIP_ASCEND = "押すと降順に";\r
  40     private static final String TIP_DESCEND = "押すと昇順に";\r
  41     private static final String TIP_ORDER = "選択中の国の村一覧を読み込み直す";\r
  42     private static final ImageIcon ICON_ASCEND;\r
  43     private static final ImageIcon ICON_DESCEND;\r
  44 \r
  45     static{\r
  46         URL url;\r
  47         url = Jindolf.getResource("resources/image/ascend.png");\r
  48         ICON_ASCEND = new ImageIcon(url);\r
  49         url = Jindolf.getResource("resources/image/descend.png");\r
  50         ICON_DESCEND = new ImageIcon(url);\r
  51     }\r
  52 \r
  53     private final JButton orderButton = new JButton();\r
  54     private final JButton reloadButton = new JButton();\r
  55     private final JTree treeView = new JTree();\r
  56 \r
  57     private boolean ascending = false;\r
  58 \r
  59     /**\r
  60      * コンストラクタ。\r
  61      */\r
  62     public LandsTree(){\r
  63         super();\r
  64 \r
  65         design();\r
  66 \r
  67         this.orderButton.setIcon(ICON_DESCEND);\r
  68         this.orderButton.setToolTipText(TIP_DESCEND);\r
  69         this.orderButton.setMargin(new Insets(1, 1, 1, 1));\r
  70         this.orderButton.setActionCommand(ActionManager.CMD_SWITCHORDER);\r
  71         this.orderButton.addActionListener(this);\r
  72 \r
  73         URL url;\r
  74         url = Jindolf.getResource("resources/image/reload.png");\r
  75         this.reloadButton.setIcon(new ImageIcon(url));\r
  76         this.reloadButton.setToolTipText(TIP_ORDER);\r
  77         this.reloadButton.setMargin(new Insets(1, 1, 1, 1));\r
  78         this.reloadButton.setActionCommand(ActionManager.CMD_VILLAGELIST);\r
  79 \r
  80         TreeSelectionModel selModel = this.treeView.getSelectionModel();\r
  81         selModel.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);\r
  82         this.treeView.addTreeSelectionListener(this);\r
  83 \r
  84         return;\r
  85     }\r
  86 \r
  87     /**\r
  88      * GUIパーツのデザインを行う。\r
  89      */\r
  90     private void design(){\r
  91         BorderLayout layout = new BorderLayout();\r
  92         setLayout(layout);\r
  93 \r
  94         JToolBar toolBar = new JToolBar();\r
  95         toolBar.add(this.orderButton);\r
  96         toolBar.add(this.reloadButton);\r
  97 \r
  98         JComponent landSelector = createLandSelector();\r
  99 \r
 100         add(toolBar,      BorderLayout.NORTH);\r
 101         add(landSelector, BorderLayout.CENTER);\r
 102 \r
 103         return;\r
 104     }\r
 105 \r
 106     /**\r
 107      * 国村選択ツリーコンポーネントを生成する。\r
 108      * @return 国村選択ツリーコンポーネント\r
 109      */\r
 110     private JComponent createLandSelector(){\r
 111         this.treeView.setRootVisible(false);\r
 112         this.treeView.setCellRenderer(new VillageIconRenderer());\r
 113 \r
 114         Border border = BorderFactory.createEmptyBorder(5, 5, 5, 5);\r
 115         this.treeView.setBorder(border);\r
 116 \r
 117         JScrollPane landSelector = new JScrollPane(this.treeView);\r
 118 \r
 119         return landSelector;\r
 120     }\r
 121 \r
 122     /**\r
 123      * リロードボタンを返す。\r
 124      * @return リロードボタン\r
 125      */\r
 126     public JButton getReloadVillageListButton(){\r
 127         return this.reloadButton;\r
 128     }\r
 129 \r
 130     /**\r
 131      * 国村選択ツリービューを返す。\r
 132      * @return 国村選択ツリービュー\r
 133      */\r
 134     public JTree getTreeView(){\r
 135         return this.treeView;\r
 136     }\r
 137 \r
 138     /**\r
 139      * 指定した国を展開する。\r
 140      * @param land 国\r
 141      */\r
 142     public void expandLand(Land land){\r
 143         TreeModel model = this.treeView.getModel();\r
 144         Object root = model.getRoot();\r
 145         Object[] path = {root, land};\r
 146         TreePath treePath = new TreePath(path);\r
 147         this.treeView.expandPath(treePath);\r
 148         return;\r
 149     }\r
 150 \r
 151     /**\r
 152      * 管理下のLandsModelを返す。\r
 153      * @return LandsModel\r
 154      */\r
 155     private LandsModel getLandsModel(){\r
 156         TreeModel model = this.treeView.getModel();\r
 157         if(model instanceof LandsModel){\r
 158             return (LandsModel) model;\r
 159         }\r
 160         return null;\r
 161     }\r
 162 \r
 163     /**\r
 164      * Tree表示順を反転させる。\r
 165      * @return 反転後が昇順ならtrue\r
 166      */\r
 167     private boolean toggleTreeOrder(){\r
 168         this.ascending = ! this.ascending;\r
 169 \r
 170         if(this.ascending){\r
 171             this.orderButton.setToolTipText(TIP_ASCEND);\r
 172             this.orderButton.setIcon(ICON_ASCEND);\r
 173         }else{\r
 174             this.orderButton.setToolTipText(TIP_DESCEND);\r
 175             this.orderButton.setIcon(ICON_DESCEND);\r
 176         }\r
 177 \r
 178         final TreePath lastPath = this.treeView.getSelectionPath();\r
 179 \r
 180         LandsModel model = getLandsModel();\r
 181         if(model != null){\r
 182             model.setAscending(this.ascending);\r
 183         }\r
 184 \r
 185         EventQueue.invokeLater(new Runnable(){\r
 186             public void run(){\r
 187                 if(lastPath != null){\r
 188                     LandsTree.this.treeView.setSelectionPath(lastPath);\r
 189                     LandsTree.this.treeView.scrollPathToVisible(lastPath);\r
 190                 }\r
 191                 return;\r
 192             }\r
 193         });\r
 194 \r
 195         return this.ascending;\r
 196     }\r
 197 \r
 198     /**\r
 199      * {@inheritDoc}\r
 200      * ボタン押下処理。\r
 201      * @param event ボタン押下イベント {@inheritDoc}\r
 202      */\r
 203     @Override\r
 204     public void actionPerformed(ActionEvent event){\r
 205         String cmd = event.getActionCommand();\r
 206         if(ActionManager.CMD_SWITCHORDER.equals(cmd)){\r
 207             toggleTreeOrder();\r
 208         }\r
 209         return;\r
 210     }\r
 211 \r
 212     /**\r
 213      * {@inheritDoc}\r
 214      * ツリーリストで何らかの要素（国、村）がクリックされたときの処理。\r
 215      * @param event イベント {@inheritDoc}\r
 216      */\r
 217     @Override\r
 218     public void valueChanged(TreeSelectionEvent event){\r
 219         TreePath path = event.getNewLeadSelectionPath();\r
 220         if(path == null){\r
 221             this.reloadButton.setEnabled(false);\r
 222             return;\r
 223         }\r
 224 \r
 225         Object selObj = path.getLastPathComponent();\r
 226 \r
 227         if( selObj instanceof Land ){\r
 228             this.reloadButton.setEnabled(true);\r
 229         }else{\r
 230             this.reloadButton.setEnabled(false);\r
 231         }\r
 232 \r
 233         return;\r
 234     }\r
 235 \r
 236     /**\r
 237      * {@inheritDoc}\r
 238      */\r
 239     @Override\r
 240     public void updateUI(){\r
 241         super.updateUI();\r
 242         if(this.treeView != null){\r
 243             this.treeView.setCellRenderer(new VillageIconRenderer());\r
 244         }\r
 245         return;\r
 246     }\r
 247 \r
 248 }\r