2 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.
3 Copyright (C) 2008 Kevin Darty, Alain Denise and Yann Ponty.
4 electronic mail : Yann.Ponty@lri.fr
5 paper mail : LRI, bat 490 Université Paris-Sud 91405 Orsay Cedex France
7 This file is part of VARNA version 3.1.
8 VARNA version 3.1 is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License
9 as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
11 VARNA version 3.1 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
12 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along with VARNA version 3.1.
16 If not, see http://www.gnu.org/licenses.
18 package fr.orsay.lri.varna.views;
20 import java.awt.Dimension;
21 import java.awt.FlowLayout;
22 import java.awt.GridLayout;
24 import javax.swing.JLabel;
25 import javax.swing.JPanel;
26 import javax.swing.JSlider;
27 import javax.swing.event.ChangeEvent;
28 import javax.swing.event.ChangeListener;
30 import fr.orsay.lri.varna.VARNAPanel;
31 import fr.orsay.lri.varna.controlers.ControleurSliderLabel;
32 import fr.orsay.lri.varna.controlers.ControleurZoom;
33 import fr.orsay.lri.varna.models.VARNAConfig;
35 public class VueZoom implements ChangeListener {
37 private VARNAPanel _vp;
38 private JSlider zoomSlider, zoomAmountSlider;
41 public VueZoom(VARNAPanel vp) {
44 JPanel pup = new JPanel();
45 JPanel pdown = new JPanel();
47 panel.setLayout(new GridLayout(2, 1));
48 pup.setLayout(new FlowLayout(FlowLayout.LEFT));
49 pdown.setLayout(new FlowLayout(FlowLayout.LEFT));
51 zoomSlider = new JSlider(JSlider.HORIZONTAL,
52 (int) (VARNAConfig.MIN_ZOOM * 100),
53 (int) (VARNAConfig.MAX_ZOOM * 100), (int) (_vp.getZoom() * 100));
54 // Turn on labels at major tick marks.
55 zoomSlider.setMajorTickSpacing(2000);
56 zoomSlider.setMinorTickSpacing(500);
57 zoomSlider.setPaintTicks(true);
58 zoomSlider.setPaintLabels(true);
59 zoomSlider.setPreferredSize(new Dimension(250, zoomSlider
60 .getPreferredSize().height));
61 zoomSlider.addChangeListener(new ControleurZoom(this));
63 JLabel zoomValueLabel = new JLabel(String.valueOf(_vp.getZoom()));
64 zoomValueLabel.setPreferredSize(new Dimension(50, zoomValueLabel
65 .getPreferredSize().height));
66 zoomSlider.addChangeListener(new ControleurSliderLabel(zoomValueLabel,
69 zoomAmountSlider = new JSlider(JSlider.HORIZONTAL,
70 (int) (VARNAConfig.MIN_AMOUNT * 100),
71 (int) (VARNAConfig.MAX_AMOUNT * 100), (int) (_vp
72 .getZoomIncrement() * 100));
73 // Turn on labels at major tick marks.
74 zoomAmountSlider.setMajorTickSpacing(50);
75 zoomAmountSlider.setMinorTickSpacing(10);
76 zoomAmountSlider.setPaintTicks(true);
77 zoomAmountSlider.setPaintLabels(true);
78 zoomAmountSlider.setPreferredSize(new Dimension(200, zoomAmountSlider
79 .getPreferredSize().height));
81 JLabel zoomAmountValueLabel = new JLabel(String.valueOf(_vp
82 .getZoomIncrement()));
83 zoomAmountValueLabel.setPreferredSize(new Dimension(50,
84 zoomAmountValueLabel.getPreferredSize().height));
85 zoomAmountSlider.addChangeListener(new ControleurSliderLabel(
86 zoomAmountValueLabel, true));
87 zoomAmountSlider.addChangeListener(this);
89 JLabel labelZ = new JLabel("Zoom:");
90 JLabel labelA = new JLabel("Increment:");
94 pup.add(zoomValueLabel);
96 pdown.add(zoomAmountSlider);
97 pdown.add(zoomAmountValueLabel);
102 public JPanel getPanel() {
106 public double getZoom() {
107 return zoomSlider.getValue() / 100.0;
110 public double getZoomAmount() {
111 return zoomAmountSlider.getValue() / 100.0;
114 public VARNAPanel get_vp() {
118 public void stateChanged(ChangeEvent e) {
119 _vp.setZoomIncrement(getZoomAmount());