FolderSelectorPane


1   package net.suberic.pooka.gui.propedit;
2   import net.suberic.util.gui.propedit.*;
3   import net.suberic.util.VariableBundle;
4   import net.suberic.pooka.gui.filechooser.*;
5   import net.suberic.pooka.*;
6   import javax.swing.*;
7   import java.awt.event.ActionEvent  ;
8   import javax.swing.filechooser.FileSystemView  ;
9   
10  /**
11   * This displays the currently selected folder (if any), along with a
12   * button which will bring up a dialog to select another folder.
13   */
14  
15  public class FolderSelectorPane extends LabelValuePropertyEditor {
16  
17    JLabel label;
18    JTextField valueDisplay;
19    JButton inputButton;
20  
21    /**
22     * @param propertyName The property to be edited.
23     * @param template The property that will define the layout of the
24     *                 editor.
25     * @param manager The PropertyEditorManager that will manage the
26     *                   changes.
27     */
28    public void configureEditor(String   propertyName, String   template, String   propertyBaseName, PropertyEditorManager newManager) {
29      configureBasic(propertyName, template, propertyBaseName, newManager);
30      getLogger().fine("property is " + property + "; editorTemplate is " + editorTemplate);
31  
32      label = createLabel();
33  
34      valueDisplay = new JTextField(originalValue);
35  
36      inputButton = createInputButton();
37  
38      valueDisplay.setPreferredSize(new java.awt.Dimension  (150 - inputButton.getPreferredSize().width, valueDisplay.getMinimumSize().height));
39  
40      this.add(label);
41      labelComponent = label;
42      JPanel tmpPanel = new JPanel();
43      SpringLayout layout = new SpringLayout();
44      tmpPanel.setLayout(layout);
45  
46      tmpPanel.add(valueDisplay);
47      tmpPanel.add(inputButton);
48  
49      layout.putConstraint(SpringLayout.NORTH, valueDisplay, 0, SpringLayout.NORTH, tmpPanel);
50      layout.putConstraint(SpringLayout.WEST, valueDisplay, 0, SpringLayout.WEST, tmpPanel);
51      layout.putConstraint(SpringLayout.SOUTH, tmpPanel, 0, SpringLayout.SOUTH, valueDisplay);
52      layout.putConstraint(SpringLayout.WEST, inputButton, 5, SpringLayout.EAST, valueDisplay);
53      layout.putConstraint(SpringLayout.EAST, tmpPanel, 5, SpringLayout.EAST, inputButton);
54  
55      tmpPanel.setPreferredSize(new java.awt.Dimension  (150, valueDisplay.getMinimumSize().height));
56      tmpPanel.setMaximumSize(new java.awt.Dimension  (Integer.MAX_VALUE, valueDisplay.getMinimumSize().height));
57  
58      valueComponent = tmpPanel;
59  
60      this.add(tmpPanel);
61  
62      manager.registerPropertyEditor(property, this);
63  
64      updateEditorEnabled();
65    }
66  
67    /**
68     * Creates a button that will bring up a way to select a folder.
69     */
70    public JButton createInputButton() {
71      getLogger().fine("creating an input button.");
72      try {
73        java.net.URL   url = this.getClass().getResource(manager.getProperty("FolderSelectorPane.inputButton.image", "/net/suberic/util/gui/images/More.gif"));
74        if (url != null) {
75          getLogger().fine("url isn't null.");
76  
77          ImageIcon icon = new ImageIcon(url);
78  
79          JButton newButton = new JButton(icon);
80          getLogger().fine("new button is created.");
81  
82          newButton.setPreferredSize(new java.awt.Dimension  (icon.getIconHeight(), icon.getIconWidth()));
83          newButton.addActionListener(new AbstractAction() {
84              public void actionPerformed(ActionEvent   e) {
85                selectNewFolder();
86              }
87            });
88  
89          getLogger().fine("returning button.");
90  
91          return newButton;
92        }
93      } catch (java.util.MissingResourceException   mre) {
94      }
95  
96      getLogger().fine("error - creating a blank button.");
97  
98      JButton newButton = new JButton();
99      newButton.addActionListener(new AbstractAction() {
100         public void actionPerformed(ActionEvent   e) {
101           selectNewFolder();
102         }
103       });
104 
105     return newButton;
106   }
107 
108   /**
109    * This actually brings up a JFileChooser to select a new Folder for
110    * the value of the property.
111    */
112   public void selectNewFolder() {
113 
114     FileSystemView   mfsv = createFileSystemView();
115 
116     String   defaultRoot = valueDisplay.getText();
117     if (defaultRoot.equals("")) {
118       defaultRoot = "/";
119       try {
120         String   storeName = property.substring(property.indexOf('.') + 1, property.indexOf('.', property.indexOf('.') + 1));
121         StoreInfo si = Pooka.getStoreManager().getStoreInfo(storeName);
122         if (si != null) {
123           defaultRoot = storeName;
124         }
125       } catch (Exception   e) {
126       }
127     } else {
128 
129       if (defaultRoot.lastIndexOf('/') > -1) {
130         defaultRoot = defaultRoot.substring(0, defaultRoot.lastIndexOf('/'));
131       }
132     }
133 
134     JFileChooser jfc =
135       new JFileChooser(defaultRoot, mfsv);
136     jfc.setMultiSelectionEnabled(false);
137     jfc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
138     // workaround for bug in jdk 1.4
139     jfc.setCurrentDirectory(mfsv.createFileObject(defaultRoot));
140 
141     int returnValue =
142       jfc.showDialog(Pooka.getMainPanel(),
143                      Pooka.getProperty("FolderEditorPane.Select",
144                                        "Select"));
145 
146     if (returnValue == JFileChooser.APPROVE_OPTION) {
147       java.io.File   wrapper = jfc.getSelectedFile();
148       valueDisplay.setText(wrapper.getAbsolutePath());
149     }
150 
151   }
152 
153   /**
154    * Creates the FileSystemView appropriate for this file chooser.  This
155    * can either be a view of all the stores and their corresponding
156    * folders, or just the folders of a single store.  This is determined
157    * by the 'selectionRoot' subproperty of the edited property's template.
158    */
159   public FileSystemView   createFileSystemView() {
160 
161     FileSystemView   returnValue = null;
162     boolean justSubscribed = manager.getProperty(editorTemplate + ".onlySubscribed", "true").equalsIgnoreCase("true");
163 
164     if (manager.getProperty(editorTemplate + ".selectionRoot", "allStores").equals("allStores")) {
165       if (justSubscribed)
166         returnValue = new PookaFileSystemView();
167       else
168         returnValue = new MailFileSystemView();
169     } else {
170       int prefixSize = manager.getProperty(editorTemplate + ".namePrefix", "Store.").length();
171       int suffixSize = manager.getProperty(editorTemplate + ".nameSuffix", ".trashFolder").length();
172       String   currentStoreName = property.substring(prefixSize, property.length() - suffixSize);
173       net.suberic.pooka.StoreInfo currentStore = Pooka.getStoreManager().getStoreInfo(currentStoreName);
174       if (currentStore != null) {
175         if (justSubscribed)
176           returnValue = new PookaFileSystemView(currentStore);
177         else
178           returnValue = new MailFileSystemView(currentStore);
179       }
180     }
181 
182     return returnValue;
183   }
184 
185   //  as defined in net.suberic.util.gui.PropertyEditorUI
186 
187   public void setValue() throws PropertyValueVetoException {
188     validateProperty();
189     getLogger().fine("calling fsp.setValue.  isEnabled() = " + isEnabled() + "; isChanged() = " + isChanged());
190     if (isEditorEnabled() && isChanged())
191       manager.setProperty(property, (String  )valueDisplay.getText());
192   }
193 
194   public void validateProperty() throws PropertyValueVetoException {
195     getLogger().fine("calling fsp.validateProperty().  isEnabled() = " + isEditorEnabled() + "; isChanged() = " + isChanged());
196     if (isEditorEnabled())
197       firePropertyCommittingEvent((String  )valueDisplay.getText());
198   }
199 
200   public java.util.Properties   getValue() {
201     java.util.Properties   retProps = new java.util.Properties  ();
202 
203     retProps.setProperty(property, (String  )valueDisplay.getText());
204 
205     return retProps;
206   }
207 
208   public void resetDefaultValue() {
209     valueDisplay.setText(originalValue);
210   }
211 
212   public boolean isChanged() {
213     return (!(originalValue.equals(valueDisplay.getText())));
214   }
215 
216   /**
217    * Run when the PropertyEditor may have changed enabled states.
218    */
219   protected void updateEditorEnabled() {
220     getLogger().fine("calling fsp.updateEditorEnabled().  isEditorEnabled() = " + isEditorEnabled());
221     if (inputButton != null) {
222       inputButton.setEnabled(isEditorEnabled());
223     }
224     if (valueDisplay != null) {
225       valueDisplay.setEnabled(isEditorEnabled());
226     }
227     if (label != null) {
228       label.setEnabled(isEditorEnabled());
229     }
230     getLogger().fine("set enabled to " + isEditorEnabled());
231 
232   }
233 
234 }
235
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