/*
VARNA is a tool for the automated drawing, visualization and annotation of the secondary structure of RNA, designed as a companion software for web servers and databases.
Copyright (C) 2008 Kevin Darty, Alain Denise and Yann Ponty.
electronic mail : Yann.Ponty@lri.fr
paper mail : LRI, bat 490 University Paris-Sud 91405 Orsay Cedex France
This file is part of VARNA version 3.1.
VARNA version 3.1 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.
VARNA version 3.1 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 VARNA version 3.1.
If not, see http://www.gnu.org/licenses.
*/
package fr.orsay.lri.varna.views;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import fr.orsay.lri.varna.VARNAPanel;
import fr.orsay.lri.varna.controlers.ControleurSliderLabel;
import fr.orsay.lri.varna.controlers.ControleurZoom;
import fr.orsay.lri.varna.models.VARNAConfig;
public class VueZoom implements ChangeListener {
private VARNAPanel _vp;
private JSlider zoomSlider, zoomAmountSlider;
private JPanel panel;
public VueZoom(VARNAPanel vp) {
_vp = vp;
JPanel pup = new JPanel();
JPanel pdown = new JPanel();
panel = new JPanel();
panel.setLayout(new GridLayout(2, 1));
pup.setLayout(new FlowLayout(FlowLayout.LEFT));
pdown.setLayout(new FlowLayout(FlowLayout.LEFT));
zoomSlider = new JSlider(JSlider.HORIZONTAL,
(int) (VARNAConfig.MIN_ZOOM * 100),
(int) (VARNAConfig.MAX_ZOOM * 100), (int) (_vp.getZoom() * 100));
// Turn on labels at major tick marks.
zoomSlider.setMajorTickSpacing(2000);
zoomSlider.setMinorTickSpacing(500);
zoomSlider.setPaintTicks(true);
zoomSlider.setPaintLabels(true);
zoomSlider.setPreferredSize(new Dimension(250, zoomSlider
.getPreferredSize().height));
zoomSlider.addChangeListener(new ControleurZoom(this));
JLabel zoomValueLabel = new JLabel(String.valueOf(_vp.getZoom()));
zoomValueLabel.setPreferredSize(new Dimension(50, zoomValueLabel
.getPreferredSize().height));
zoomSlider.addChangeListener(new ControleurSliderLabel(zoomValueLabel,
true));
zoomAmountSlider = new JSlider(JSlider.HORIZONTAL,
(int) (VARNAConfig.MIN_AMOUNT * 100),
(int) (VARNAConfig.MAX_AMOUNT * 100), (int) (_vp
.getZoomIncrement() * 100));
// Turn on labels at major tick marks.
zoomAmountSlider.setMajorTickSpacing(50);
zoomAmountSlider.setMinorTickSpacing(10);
zoomAmountSlider.setPaintTicks(true);
zoomAmountSlider.setPaintLabels(true);
zoomAmountSlider.setPreferredSize(new Dimension(200, zoomAmountSlider
.getPreferredSize().height));
JLabel zoomAmountValueLabel = new JLabel(String.valueOf(_vp
.getZoomIncrement()));
zoomAmountValueLabel.setPreferredSize(new Dimension(50,
zoomAmountValueLabel.getPreferredSize().height));
zoomAmountSlider.addChangeListener(new ControleurSliderLabel(
zoomAmountValueLabel, true));
zoomAmountSlider.addChangeListener(this);
JLabel labelZ = new JLabel("Zoom:");
JLabel labelA = new JLabel("Increment:");
pup.add(labelZ);
pup.add(zoomSlider);
pup.add(zoomValueLabel);
pdown.add(labelA);
pdown.add(zoomAmountSlider);
pdown.add(zoomAmountValueLabel);
panel.add(pup);
panel.add(pdown);
}
public JPanel getPanel() {
return panel;
}
public double getZoom() {
return zoomSlider.getValue() / 100.0;
}
public double getZoomAmount() {
return zoomAmountSlider.getValue() / 100.0;
}
public VARNAPanel get_vp() {
return _vp;
}
public void stateChanged(ChangeEvent e) {
_vp.setZoomIncrement(getZoomAmount());
}
}