src/jalview/gui/TextColourChooser.java

   1 /*
   2  * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
   3  * Copyright (C) $$Year-Rel$$ The Jalview Authors
   4  *
   5  * This file is part of Jalview.
   6  *
   7  * Jalview is free software: you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation, either version 3
  10  * of the License, or (at your option) any later version.
  11  *
  12  * Jalview is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty
  14  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  15  * PURPOSE.  See the GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
  19  * The Jalview Authors are detailed in the 'AUTHORS' file.
  20  */
  21 package jalview.gui;
  22
  23 import java.awt.BorderLayout;
  24 import java.awt.Color;
  25 import java.awt.Dimension;
  26 import java.awt.event.MouseAdapter;
  27 import java.awt.event.MouseEvent;
  28 import java.util.HashMap;
  29 import java.util.Map;
  30
  31 import javax.swing.BorderFactory;
  32 import javax.swing.JLabel;
  33 import javax.swing.JPanel;
  34 import javax.swing.JSlider;
  35 import javax.swing.event.ChangeEvent;
  36 import javax.swing.event.ChangeListener;
  37
  38 import jalview.datamodel.SequenceGroup;
  39 import jalview.gui.JalviewColourChooser.ColourChooserListener;
  40 import jalview.util.MessageManager;
  41
  42 public class TextColourChooser
  43 {
  44   AlignmentPanel ap;
  45
  46   SequenceGroup sg;
  47
  48   Color original1, original2;
  49
  50   int originalThreshold;
  51
  52   Map<SequenceGroup, Color> groupColour1;
  53
  54   Map<SequenceGroup, Color> groupColour2;
  55
  56   Map<SequenceGroup, Integer> groupThreshold;
  57
  58   /**
  59    * Show a dialogue which allows the user to select two text colours and adjust
  60    * a slider for the cross-over point
  61    *
  62    * @param alignPanel
  63    *          the AlignmentPanel context
  64    * @param sequenceGroup
  65    *          the SequenceGroup context (only for group pop-menu option)
  66    */
  67   public void chooseColour(AlignmentPanel alignPanel,
  68           SequenceGroup sequenceGroup)
  69   {
  70     this.ap = alignPanel;
  71     this.sg = sequenceGroup;
  72
  73     saveInitialSettings();
  74
  75     final JSlider slider = new JSlider(0, 750, originalThreshold);
  76     final JPanel col1 = new JPanel();
  77     col1.setPreferredSize(new Dimension(40, 20));
  78     col1.setBorder(BorderFactory.createEtchedBorder());
  79     col1.setToolTipText(MessageManager.getString("label.dark_colour"));
  80     col1.setBackground(original1);
  81     final JPanel col2 = new JPanel();
  82     col2.setPreferredSize(new Dimension(40, 20));
  83     col2.setBorder(BorderFactory.createEtchedBorder());
  84     col2.setToolTipText(MessageManager.getString("label.light_colour"));
  85     col2.setBackground(original2);
  86     final JPanel bigpanel = new JPanel(new BorderLayout());
  87     JPanel panel = new JPanel(new BorderLayout());
  88     bigpanel.add(panel, BorderLayout.CENTER);
  89     bigpanel.add(
  90             new JLabel("<html>"
  91                     + MessageManager.getString(
  92                             "label.select_dark_light_set_threshold")
  93                     + "</html>"),
  94             BorderLayout.NORTH);
  95     panel.add(col1, BorderLayout.WEST);
  96     panel.add(slider, BorderLayout.CENTER);
  97     panel.add(col2, BorderLayout.EAST);
  98
  99     col1.addMouseListener(new MouseAdapter()
 100     {
 101       @Override
 102       public void mousePressed(MouseEvent e)
 103       {
 104         String ttl = MessageManager
 105                 .getString("label.select_colour_for_text");
 106         ColourChooserListener listener = new ColourChooserListener()
 107         {
 108           @Override
 109           public void colourSelected(Color c)
 110           {
 111             colour1Changed(c);
 112             col1.setBackground(c);
 113           }
 114         };
 115         JalviewColourChooser.showColourChooser(bigpanel, ttl,
 116                 col1.getBackground(), listener);
 117       }
 118     });
 119
 120     col2.addMouseListener(new MouseAdapter()
 121     {
 122       @Override
 123       public void mousePressed(MouseEvent e)
 124       {
 125         String ttl = MessageManager
 126                 .getString("label.select_colour_for_text");
 127         ColourChooserListener listener = new ColourChooserListener()
 128         {
 129           @Override
 130           public void colourSelected(Color c)
 131           {
 132             colour2Changed(c);
 133             col2.setBackground(c);
 134           }
 135         };
 136         JalviewColourChooser.showColourChooser(bigpanel, ttl,
 137                 col2.getBackground(), listener);
 138       }
 139     });
 140
 141     slider.addChangeListener(new ChangeListener()
 142     {
 143       @Override
 144       public void stateChanged(ChangeEvent evt)
 145       {
 146         thresholdChanged(slider.getValue());
 147       }
 148     });
 149
 150     Object[] options = new Object[] { MessageManager.getString("action.ok"),
 151         MessageManager.getString("action.cancel") };
 152     String title = MessageManager
 153             .getString("label.adjust_foreground_text_colour_threshold");
 154     Runnable action = new Runnable() // response for 1 = Cancel
 155     {
 156       @Override
 157       public void run()
 158       {
 159         restoreInitialSettings();
 160       }
 161     };
 162     JvOptionPane.newOptionDialog(alignPanel.alignFrame)
 163             .setResponseHandler(1, action).showInternalDialog(bigpanel,
 164                     title, JvOptionPane.YES_NO_CANCEL_OPTION,
 165                     JvOptionPane.PLAIN_MESSAGE, null, options,
 166                     MessageManager.getString("action.ok"));
 167   }
 168
 169   /**
 170    * Restore initial settings on Cancel
 171    */
 172   protected void restoreInitialSettings()
 173   {
 174     if (sg == null)
 175     {
 176       ap.av.setTextColour(original1);
 177       ap.av.setTextColour2(original2);
 178       ap.av.setThresholdTextColour(originalThreshold);
 179     }
 180     else
 181     {
 182       sg.textColour = original1;
 183       sg.textColour2 = original2;
 184       sg.thresholdTextColour = originalThreshold;
 185     }
 186
 187     /*
 188      * if 'Apply To All Groups' was in force, there will be
 189      * group-specific settings to restore as well
 190      */
 191     for (SequenceGroup group : this.groupColour1.keySet())
 192     {
 193       group.textColour = groupColour1.get(group);
 194       group.textColour2 = groupColour2.get(group);
 195       group.thresholdTextColour = groupThreshold.get(group);
 196     }
 197
 198     ap.paintAlignment(false, false);
 199   }
 200
 201   /**
 202    * Save settings on entry, for restore on Cancel
 203    */
 204   protected void saveInitialSettings()
 205   {
 206     groupColour1 = new HashMap<>();
 207     groupColour2 = new HashMap<>();
 208     groupThreshold = new HashMap<>();
 209
 210     if (sg == null)
 211     {
 212       /*
 213        * alignment scope
 214        */
 215       original1 = ap.av.getTextColour();
 216       original2 = ap.av.getTextColour2();
 217       originalThreshold = ap.av.getThresholdTextColour();
 218       if (ap.av.getColourAppliesToAllGroups()
 219               && ap.av.getAlignment().getGroups() != null)
 220       {
 221         /*
 222          * if applying changes to all groups, need to be able to
 223          * restore group settings as well
 224          */
 225         for (SequenceGroup group : ap.av.getAlignment().getGroups())
 226         {
 227           groupColour1.put(group, group.textColour);
 228           groupColour2.put(group, group.textColour2);
 229           groupThreshold.put(group, group.thresholdTextColour);
 230         }
 231       }
 232     }
 233     else
 234     {
 235       /*
 236        * Sequence group scope
 237        */
 238       original1 = sg.textColour;
 239       original2 = sg.textColour2;
 240       originalThreshold = sg.thresholdTextColour;
 241     }
 242   }
 243
 244   void colour1Changed(Color col)
 245   {
 246     if (sg == null)
 247     {
 248       ap.av.setTextColour(col);
 249       if (ap.av.getColourAppliesToAllGroups())
 250       {
 251         setGroupTextColour();
 252       }
 253     }
 254     else
 255     {
 256       sg.textColour = col;
 257     }
 258
 259     ap.paintAlignment(false, false);
 260   }
 261
 262   void colour2Changed(Color col)
 263   {
 264     if (sg == null)
 265     {
 266       ap.av.setTextColour2(col);
 267       if (ap.av.getColourAppliesToAllGroups())
 268       {
 269         setGroupTextColour();
 270       }
 271     }
 272     else
 273     {
 274       sg.textColour2 = col;
 275     }
 276
 277     ap.paintAlignment(false, false);
 278   }
 279
 280   void thresholdChanged(int value)
 281   {
 282     if (sg == null)
 283     {
 284       ap.av.setThresholdTextColour(value);
 285       if (ap.av.getColourAppliesToAllGroups())
 286       {
 287         setGroupTextColour();
 288       }
 289     }
 290     else
 291     {
 292       sg.thresholdTextColour = value;
 293     }
 294
 295     ap.paintAlignment(false, false);
 296   }
 297
 298   void setGroupTextColour()
 299   {
 300     if (ap.av.getAlignment().getGroups() == null)
 301     {
 302       return;
 303     }
 304
 305     for (SequenceGroup group : ap.av.getAlignment().getGroups())
 306     {
 307       group.textColour = ap.av.getTextColour();
 308       group.textColour2 = ap.av.getTextColour2();
 309       group.thresholdTextColour = ap.av.getThresholdTextColour();
 310     }
 311   }
 312
 313 }