JAL-3060 extract FeatureEditor class
[jalview.git] / src / jalview / gui / FeatureEditor.java
diff --git a/src/jalview/gui/FeatureEditor.java b/src/jalview/gui/FeatureEditor.java
new file mode 100644 (file)
index 0000000..a86725b
--- /dev/null
@@ -0,0 +1,556 @@
+package jalview.gui;
+
+import jalview.api.FeatureColourI;
+import jalview.datamodel.SearchResults;
+import jalview.datamodel.SearchResultsI;
+import jalview.datamodel.SequenceFeature;
+import jalview.datamodel.SequenceI;
+import jalview.gui.JalviewColourChooser.ColourChooserListener;
+import jalview.io.FeaturesFile;
+import jalview.schemes.FeatureColour;
+import jalview.util.ColorUtils;
+import jalview.util.MessageManager;
+import jalview.util.dialogrunner.RunResponse;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.GridLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.swing.JComboBox;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JSpinner;
+import javax.swing.JTextArea;
+import javax.swing.JTextField;
+import javax.swing.SwingConstants;
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+
+/**
+ * Provides a dialog allowing the user to add new features, or amend or delete
+ * existing features
+ */
+public class FeatureEditor
+{
+  /*
+   * defaults for creating a new feature are the last created
+   * feature type and group
+   */
+  static String lastFeatureAdded = "feature_1";
+
+  static String lastFeatureGroupAdded = "Jalview";
+
+  /*
+   * index into a list of features if more than one selected for editing
+   */
+  int featureIndex;
+
+  FeatureColourI oldColour;
+
+  FeatureColourI featureColour;
+
+  FeatureRenderer fr;
+
+  AlignmentPanel ap;
+
+  /**
+   * Constructor
+   * 
+   * @param alignPanel
+   */
+  public FeatureEditor(AlignmentPanel alignPanel)
+  {
+    ap = alignPanel;
+    fr = alignPanel.getSeqPanel().seqCanvas.fr;
+  }
+
+  /**
+   * Presents a dialog allowing the user to add new features, or amend or delete
+   * existing features. Currently this can be on
+   * <ul>
+   * <li>double-click on a sequence - Amend/Delete features at position</li>
+   * <li>Create sequence feature from pop-up menu on selected region</li>
+   * <li>Create features for pattern matches from Find</li>
+   * </ul>
+   * If the supplied feature type is null, show (and update on confirm) the type
+   * and group of the last new feature created (with initial defaults of
+   * "feature_1" and "Jalview").
+   * 
+   * @param sequences
+   *          the sequences features are to be created on (if creating
+   *          features), or a single sequence (if amending features)
+   * @param features
+   *          the current features at the position (if amending), or template
+   *          new feature(s) with start/end position set (if creating)
+   * @param create
+   *          true to create features, false to amend or delete
+   * @param alignPanel
+   * @param responseHandler
+   *          boolean true RunResponse is run if features are created
+   */
+  public boolean amendFeatures(final List<SequenceI> sequences,
+          final List<SequenceFeature> features, boolean create,
+          final Runnable responseHandler)
+  {
+    featureIndex = 0;
+  
+    final JPanel mainPanel = new JPanel(new BorderLayout());
+  
+    final JTextField name = new JTextField(25);
+    name.getDocument().addDocumentListener(new DocumentListener()
+    {
+      @Override
+      public void insertUpdate(DocumentEvent e)
+      {
+        warnIfTypeHidden(mainPanel, name.getText());
+      }
+  
+      @Override
+      public void removeUpdate(DocumentEvent e)
+      {
+        warnIfTypeHidden(mainPanel, name.getText());
+      }
+  
+      @Override
+      public void changedUpdate(DocumentEvent e)
+      {
+        warnIfTypeHidden(mainPanel, name.getText());
+      }
+    });
+  
+    final JTextField group = new JTextField(25);
+    group.getDocument().addDocumentListener(new DocumentListener()
+    {
+      @Override
+      public void insertUpdate(DocumentEvent e)
+      {
+        warnIfGroupHidden(mainPanel, group.getText());
+      }
+  
+      @Override
+      public void removeUpdate(DocumentEvent e)
+      {
+        warnIfGroupHidden(mainPanel, group.getText());
+      }
+  
+      @Override
+      public void changedUpdate(DocumentEvent e)
+      {
+        warnIfGroupHidden(mainPanel, group.getText());
+      }
+    });
+  
+    final JTextArea description = new JTextArea(3, 25);
+    final JSpinner start = new JSpinner();
+    final JSpinner end = new JSpinner();
+    start.setPreferredSize(new Dimension(80, 20));
+    end.setPreferredSize(new Dimension(80, 20));
+    final JLabel colour = new JLabel();
+    colour.setOpaque(true);
+    // colour.setBorder(BorderFactory.createEtchedBorder());
+    colour.setMaximumSize(new Dimension(30, 16));
+    colour.addMouseListener(new MouseAdapter()
+    {
+      /*
+       * open colour chooser on click in colour panel
+       */
+      @Override
+      public void mousePressed(MouseEvent evt)
+      {
+        if (featureColour.isSimpleColour())
+        {
+          String title = MessageManager
+                  .getString("label.select_feature_colour");
+          ColourChooserListener listener = new ColourChooserListener()
+          {
+            @Override
+            public void colourSelected(Color c)
+            {
+              featureColour = new FeatureColour(c);
+              updateColourButton(mainPanel, colour, featureColour);
+            };
+          };
+          JalviewColourChooser.showColourChooser(Desktop.getDesktop(),
+                  title, featureColour.getColour(), listener);
+        }
+        else
+        {
+          /*
+           * variable colour dialog - on OK, refetch the updated
+           * feature colour and update this display
+           */
+          final String ft = features.get(featureIndex).getType();
+          final String type = ft == null ? lastFeatureAdded : ft;
+          FeatureTypeSettings fcc = new FeatureTypeSettings(
+                  fr, type);
+          fcc.setRequestFocusEnabled(true);
+          fcc.requestFocus();
+          fcc.addActionListener(new ActionListener()
+          {
+            @Override
+            public void actionPerformed(ActionEvent e)
+            {
+              featureColour = fr.getFeatureStyle(ft);
+              fr.setColour(type, featureColour);
+              updateColourButton(mainPanel, colour, featureColour);
+            }
+          });
+        }
+      }
+    });
+    JPanel gridPanel = new JPanel(new GridLayout(3, 1));
+  
+    if (!create && features.size() > 1)
+    {
+      /*
+       * more than one feature at selected position - 
+       * add a drop-down to choose the feature to amend
+       * space pad text if necessary to make entries distinct
+       */
+      gridPanel = new JPanel(new GridLayout(4, 1));
+      JPanel choosePanel = new JPanel();
+      choosePanel.add(new JLabel(
+              MessageManager.getString("label.select_feature") + ":"));
+      final JComboBox<String> overlaps = new JComboBox<>();
+      List<String> added = new ArrayList<>();
+      for (SequenceFeature sf : features)
+      {
+        String text = String.format("%s/%d-%d (%s)", sf.getType(),
+                sf.getBegin(), sf.getEnd(), sf.getFeatureGroup());
+        while (added.contains(text))
+        {
+          text += " ";
+        }
+        overlaps.addItem(text);
+        added.add(text);
+      }
+      choosePanel.add(overlaps);
+  
+      overlaps.addItemListener(new ItemListener()
+      {
+        @Override
+        public void itemStateChanged(ItemEvent e)
+        {
+          int index = overlaps.getSelectedIndex();
+          if (index != -1)
+          {
+            featureIndex = index;
+            SequenceFeature sf = features.get(index);
+            name.setText(sf.getType());
+            description.setText(sf.getDescription());
+            group.setText(sf.getFeatureGroup());
+            start.setValue(new Integer(sf.getBegin()));
+            end.setValue(new Integer(sf.getEnd()));
+  
+            SearchResultsI highlight = new SearchResults();
+            highlight.addResult(sequences.get(0), sf.getBegin(),
+                    sf.getEnd());
+  
+            ap.getSeqPanel().seqCanvas
+                    .highlightSearchResults(highlight, false);
+          }
+          FeatureColourI col = fr.getFeatureStyle(name.getText());
+          if (col == null)
+          {
+            col = new FeatureColour(
+                    ColorUtils.createColourFromName(name.getText()));
+          }
+          oldColour = featureColour = col;
+          updateColourButton(mainPanel, colour, col);
+        }
+      });
+  
+      gridPanel.add(choosePanel);
+    }
+  
+    JPanel namePanel = new JPanel();
+    gridPanel.add(namePanel);
+    namePanel.add(new JLabel(MessageManager.getString("label.name:"),
+            JLabel.RIGHT));
+    namePanel.add(name);
+  
+    JPanel groupPanel = new JPanel();
+    gridPanel.add(groupPanel);
+    groupPanel.add(new JLabel(MessageManager.getString("label.group:"),
+            JLabel.RIGHT));
+    groupPanel.add(group);
+  
+    JPanel colourPanel = new JPanel();
+    gridPanel.add(colourPanel);
+    colourPanel.add(new JLabel(MessageManager.getString("label.colour"),
+            JLabel.RIGHT));
+    colourPanel.add(colour);
+    colour.setPreferredSize(new Dimension(150, 15));
+    colour.setFont(new java.awt.Font("Verdana", Font.PLAIN, 9));
+    colour.setForeground(Color.black);
+    colour.setHorizontalAlignment(SwingConstants.CENTER);
+    colour.setVerticalAlignment(SwingConstants.CENTER);
+    colour.setHorizontalTextPosition(SwingConstants.CENTER);
+    colour.setVerticalTextPosition(SwingConstants.CENTER);
+    mainPanel.add(gridPanel, BorderLayout.NORTH);
+  
+    JPanel descriptionPanel = new JPanel();
+    descriptionPanel.add(new JLabel(
+            MessageManager.getString("label.description:"), JLabel.RIGHT));
+    description.setFont(JvSwingUtils.getTextAreaFont());
+    description.setLineWrap(true);
+    descriptionPanel.add(new JScrollPane(description));
+  
+    if (!create)
+    {
+      mainPanel.add(descriptionPanel, BorderLayout.SOUTH);
+  
+      JPanel startEndPanel = new JPanel();
+      startEndPanel.add(new JLabel(MessageManager.getString("label.start"),
+              JLabel.RIGHT));
+      startEndPanel.add(start);
+      startEndPanel.add(new JLabel(MessageManager.getString("label.end"),
+              JLabel.RIGHT));
+      startEndPanel.add(end);
+      mainPanel.add(startEndPanel, BorderLayout.CENTER);
+    }
+    else
+    {
+      mainPanel.add(descriptionPanel, BorderLayout.CENTER);
+    }
+  
+    /*
+     * default feature type and group to that of the first feature supplied,
+     * or to the last feature created if not supplied (null value) 
+     */
+    SequenceFeature firstFeature = features.get(0);
+    boolean useLastDefaults = firstFeature.getType() == null;
+    final String featureType = useLastDefaults ? lastFeatureAdded
+            : firstFeature.getType();
+    final String featureGroup = useLastDefaults ? lastFeatureGroupAdded
+            : firstFeature.getFeatureGroup();
+    name.setText(featureType);
+    group.setText(featureGroup);
+  
+    start.setValue(new Integer(firstFeature.getBegin()));
+    end.setValue(new Integer(firstFeature.getEnd()));
+    description.setText(firstFeature.getDescription());
+    featureColour = fr.getFeatureStyle(featureType);
+    oldColour = featureColour;
+    updateColourButton(mainPanel, colour, oldColour);
+    Object[] options;
+    if (!create)
+    {
+      options = new Object[] { MessageManager.getString("label.amend"),
+          MessageManager.getString("action.delete"),
+          MessageManager.getString("action.cancel") };
+    }
+    else
+    {
+      options = new Object[] { MessageManager.getString("action.ok"),
+          MessageManager.getString("action.cancel") };
+    }
+  
+    String title = create
+            ? MessageManager.getString("label.create_new_sequence_features")
+            : MessageManager.formatMessage("label.amend_delete_features",
+                    new String[]
+                    { sequences.get(0).getName() });
+  
+    /*
+     * register responses and show the dialog
+     */
+    JvOptionPane.newOptionDialog(Desktop.desktop).response(
+  
+            new RunResponse(JvOptionPane.OK_OPTION)
+            {
+              public void run()
+              {
+                final String enteredType = name.getText().trim();
+                final String enteredGroup = group.getText().trim();
+                final String enteredDescription = description.getText()
+                        .replaceAll("\n", " ");
+                if (enteredType.length() > 0)
+  
+                {
+                  /*
+                   * update default values only if creating using default values
+                   */
+                  if (useLastDefaults)
+                  {
+                    lastFeatureAdded = enteredType;
+                    lastFeatureGroupAdded = enteredGroup;
+                    // TODO: determine if the null feature group is valid
+                    if (lastFeatureGroupAdded.length() < 1)
+                    {
+                      lastFeatureGroupAdded = null;
+                    }
+                  }
+                }
+  
+                if (create)
+                {
+                  // NEW FEATURES ADDED
+                  if (enteredType.length() > 0)
+                  {
+                    for (int i = 0; i < sequences.size(); i++)
+                    {
+                      SequenceFeature sf = features.get(i);
+                      SequenceFeature sf2 = new SequenceFeature(enteredType,
+                              enteredDescription, sf.getBegin(),
+                              sf.getEnd(), enteredGroup);
+                      new FeaturesFile().parseDescriptionHTML(sf2, false);
+                      sequences.get(i).addSequenceFeature(sf2);
+                    }
+  
+                    fr.setColour(enteredType, featureColour);
+  
+                    fr.featuresAdded();
+  
+                    responseHandler.run();
+                  }
+                } else {
+                  SequenceFeature sf = features.get(featureIndex);
+                  /*
+                   * Feature amended - YES_OPTION corresponds to the Amend button
+                   * need to refresh Feature Settings if type, group or colour changed;
+                   * note we don't force the feature to be visible - the user has been
+                   * warned if a hidden feature type or group was entered
+                   */
+                  boolean refreshSettings = (!featureType.equals(enteredType)
+                          || !featureGroup.equals(enteredGroup));
+                  refreshSettings |= (featureColour != oldColour);
+                  fr.setColour(enteredType, featureColour);
+                  int newBegin = sf.begin;
+                  int newEnd = sf.end;
+                  try
+                  {
+                    newBegin = ((Integer) start.getValue()).intValue();
+                    newEnd = ((Integer) end.getValue()).intValue();
+                  } catch (NumberFormatException ex)
+                  {
+                    // JSpinner doesn't accept invalid format data :-)
+                  }
+  
+                  /*
+                   * replace the feature by deleting it and adding a new one
+                   * (to ensure integrity of SequenceFeatures data store)
+                   */
+                  sequences.get(0).deleteFeature(sf);
+                  SequenceFeature newSf = new SequenceFeature(sf, enteredType,
+                          newBegin, newEnd, enteredGroup, sf.getScore());
+                  newSf.setDescription(enteredDescription);
+                  new FeaturesFile().parseDescriptionHTML(newSf, false);
+                  // amend features dialog only updates one sequence at a time
+                  sequences.get(0).addSequenceFeature(newSf);
+  
+                  if (refreshSettings)
+                  {
+                    fr.featuresAdded();
+                  }
+                }
+                ap.getSeqPanel().seqCanvas.highlightSearchResults(null,
+                        false);
+                ap.paintAlignment(true, true);
+              }
+            }).response(new RunResponse(JvOptionPane.NO_OPTION)
+            {
+              public void run()
+              {
+                SequenceFeature sf = features.get(featureIndex);
+                /*
+                 * NO_OPTION corresponds to the Delete button
+                 */
+                sequences.get(0).getDatasetSequence().deleteFeature(sf);
+                // update Feature Settings for removal of feature / group
+                fr.featuresAdded();
+                ap.getSeqPanel().seqCanvas.highlightSearchResults(null,
+                        false);
+                ap.paintAlignment(true, true);
+              }
+            }).defaultResponse(new Runnable()
+            {
+              public void run()
+              {
+                ap.getSeqPanel().seqCanvas.highlightSearchResults(null,
+                        false);
+                ap.paintAlignment(true, true);
+              }
+            }).showInternalDialog(mainPanel, title,
+                    JvOptionPane.YES_NO_CANCEL_OPTION,
+                    JvOptionPane.QUESTION_MESSAGE, null, options,
+                    MessageManager.getString("action.ok"));
+    return true;
+  }
+
+  /**
+   * update the amend feature button dependent on the given style
+   * 
+   * @param bigPanel
+   * @param col
+   * @param col
+   */
+  protected void updateColourButton(JPanel bigPanel, JLabel colour,
+          FeatureColourI col)
+  {
+    colour.removeAll();
+    colour.setIcon(null);
+    colour.setToolTipText(null);
+    colour.setText("");
+  
+    if (col.isSimpleColour())
+    {
+      colour.setBackground(col.getColour());
+    }
+    else
+    {
+      colour.setBackground(bigPanel.getBackground());
+      colour.setForeground(Color.black);
+      FeatureSettings.renderGraduatedColor(colour, col);
+    }
+  }
+
+  /**
+   * Show a warning message if the entered group is one that is currently hidden
+   * 
+   * @param panel
+   * @param group
+   */
+  protected void warnIfGroupHidden(JPanel panel, String group)
+  {
+    if (!fr.isGroupVisible(group))
+    {
+      String msg = MessageManager.formatMessage("label.warning_hidden",
+              MessageManager.getString("label.group"), group);
+      JvOptionPane.showMessageDialog(panel, msg, "",
+              JvOptionPane.OK_OPTION);
+    }
+  }
+
+  /**
+   * Show a warning message if the entered type is one that is currently hidden
+   * 
+   * @param panel
+   * @param type
+   */
+  protected void warnIfTypeHidden(JPanel panel, String type)
+  {
+    if (fr.getRenderOrder().contains(type))
+    {
+      if (!fr.showFeatureOfType(type))
+      {
+        String msg = MessageManager.formatMessage("label.warning_hidden",
+                MessageManager.getString("label.feature_type"), type);
+        JvOptionPane.showMessageDialog(panel, msg, "",
+                JvOptionPane.OK_OPTION);
+      }
+    }
+  }
+
+}