/*
* Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
* Copyright (C) $$Year-Rel$$ The Jalview Authors
*
* This file is part of Jalview.
*
* Jalview is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Jalview is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Jalview. If not, see .
* The Jalview Authors are detailed in the 'AUTHORS' file.
*/
package jalview.gui;
import jalview.datamodel.SequenceGroup;
import jalview.util.MessageManager;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.HashMap;
import java.util.Map;
import javax.swing.BorderFactory;
import javax.swing.JColorChooser;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class TextColourChooser
{
AlignmentPanel ap;
SequenceGroup sg;
Color original1, original2;
int originalThreshold;
Map groupColour1;
Map groupColour2;
Map groupThreshold;
/**
* Show a dialogue which allows the user to select two text colours and adjust
* a slider for the cross-over point
*
* @param alignPanel
* the AlignmentPanel context
* @param sequenceGroup
* the SequenceGroup context (only for group pop-menu option)
*/
public void chooseColour(AlignmentPanel alignPanel,
SequenceGroup sequenceGroup)
{
this.ap = alignPanel;
this.sg = sequenceGroup;
saveInitialSettings();
final JSlider slider = new JSlider(0, 750, originalThreshold);
final JPanel col1 = new JPanel();
col1.setPreferredSize(new Dimension(40, 20));
col1.setBorder(BorderFactory.createEtchedBorder());
col1.setToolTipText(MessageManager.getString("label.dark_colour"));
col1.setBackground(original1);
final JPanel col2 = new JPanel();
col2.setPreferredSize(new Dimension(40, 20));
col2.setBorder(BorderFactory.createEtchedBorder());
col2.setToolTipText(MessageManager.getString("label.light_colour"));
col2.setBackground(original2);
final JPanel bigpanel = new JPanel(new BorderLayout());
JPanel panel = new JPanel();
bigpanel.add(panel, BorderLayout.CENTER);
bigpanel.add(
new JLabel(""
+ MessageManager.getString(
"label.select_dark_light_set_threshold")
+ ""),
BorderLayout.NORTH);
panel.add(col1);
panel.add(slider);
panel.add(col2);
col1.addMouseListener(new MouseAdapter()
{
@Override
public void mousePressed(MouseEvent e)
{
Color col = JColorChooser.showDialog(bigpanel,
MessageManager.getString("label.select_colour_for_text"),
col1.getBackground());
if (col != null)
{
colour1Changed(col);
col1.setBackground(col);
}
}
});
col2.addMouseListener(new MouseAdapter()
{
@Override
public void mousePressed(MouseEvent e)
{
Color col = JColorChooser.showDialog(bigpanel,
MessageManager.getString("label.select_colour_for_text"),
col2.getBackground());
if (col != null)
{
colour2Changed(col);
col2.setBackground(col);
}
}
});
slider.addChangeListener(new ChangeListener()
{
@Override
public void stateChanged(ChangeEvent evt)
{
thresholdChanged(slider.getValue());
}
});
int reply = JvOptionPane.showInternalOptionDialog(alignPanel, bigpanel,
MessageManager.getString(
"label.adjunst_foreground_text_colour_threshold"),
JvOptionPane.OK_CANCEL_OPTION, JvOptionPane.QUESTION_MESSAGE,
null, null, null);
if (reply == JvOptionPane.CANCEL_OPTION)
{
restoreInitialSettings();
}
}
/**
* Restore initial settings on Cancel
*/
protected void restoreInitialSettings()
{
if (sg == null)
{
ap.av.setTextColour(original1);
ap.av.setTextColour2(original2);
ap.av.setThresholdTextColour(originalThreshold);
}
else
{
sg.textColour = original1;
sg.textColour2 = original2;
sg.thresholdTextColour = originalThreshold;
}
/*
* if 'Apply To All Groups' was in force, there will be
* group-specific settings to restore as well
*/
for (SequenceGroup group : this.groupColour1.keySet())
{
group.textColour = groupColour1.get(group);
group.textColour2 = groupColour2.get(group);
group.thresholdTextColour = groupThreshold.get(group);
}
}
/**
* Save settings on entry, for restore on Cancel
*/
protected void saveInitialSettings()
{
groupColour1 = new HashMap<>();
groupColour2 = new HashMap<>();
groupThreshold = new HashMap<>();
if (sg == null)
{
/*
* alignment scope
*/
original1 = ap.av.getTextColour();
original2 = ap.av.getTextColour2();
originalThreshold = ap.av.getThresholdTextColour();
if (ap.av.getColourAppliesToAllGroups()
&& ap.av.getAlignment().getGroups() != null)
{
/*
* if applying changes to all groups, need to be able to
* restore group settings as well
*/
for (SequenceGroup group : ap.av.getAlignment().getGroups())
{
groupColour1.put(group, group.textColour);
groupColour2.put(group, group.textColour2);
groupThreshold.put(group, group.thresholdTextColour);
}
}
}
else
{
/*
* Sequence group scope
*/
original1 = sg.textColour;
original2 = sg.textColour2;
originalThreshold = sg.thresholdTextColour;
}
}
void colour1Changed(Color col)
{
if (sg == null)
{
ap.av.setTextColour(col);
if (ap.av.getColourAppliesToAllGroups())
{
setGroupTextColour();
}
}
else
{
sg.textColour = col;
}
ap.paintAlignment(false, false);
}
void colour2Changed(Color col)
{
if (sg == null)
{
ap.av.setTextColour2(col);
if (ap.av.getColourAppliesToAllGroups())
{
setGroupTextColour();
}
}
else
{
sg.textColour2 = col;
}
ap.paintAlignment(false, false);
}
void thresholdChanged(int value)
{
if (sg == null)
{
ap.av.setThresholdTextColour(value);
if (ap.av.getColourAppliesToAllGroups())
{
setGroupTextColour();
}
}
else
{
sg.thresholdTextColour = value;
}
ap.paintAlignment(false, false);
}
void setGroupTextColour()
{
if (ap.av.getAlignment().getGroups() == null)
{
return;
}
for (SequenceGroup group : ap.av.getAlignment().getGroups())
{
group.textColour = ap.av.getTextColour();
group.textColour2 = ap.av.getTextColour2();
group.thresholdTextColour = ap.av.getThresholdTextColour();
}
}
}