2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
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.
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.
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.
21 package jalview.appletgui;
23 import jalview.util.MessageManager;
24 import jalview.util.Platform;
25 import jalview.viewmodel.OverviewDimensions;
26 import jalview.viewmodel.OverviewDimensionsHideHidden;
27 import jalview.viewmodel.OverviewDimensionsShowHidden;
28 import jalview.viewmodel.ViewportListenerI;
30 import java.awt.BorderLayout;
31 import java.awt.CheckboxMenuItem;
32 import java.awt.Cursor;
33 import java.awt.Dimension;
34 import java.awt.Panel;
35 import java.awt.PopupMenu;
36 import java.awt.event.ComponentAdapter;
37 import java.awt.event.ComponentEvent;
38 import java.awt.event.InputEvent;
39 import java.awt.event.ItemEvent;
40 import java.awt.event.ItemListener;
41 import java.awt.event.MouseEvent;
42 import java.awt.event.MouseListener;
43 import java.awt.event.MouseMotionListener;
44 import java.beans.PropertyChangeEvent;
46 public class OverviewPanel extends Panel implements Runnable,
47 MouseMotionListener, MouseListener, ViewportListenerI
49 private OverviewDimensions od;
51 private OverviewCanvas oviewCanvas;
53 private AlignViewport av;
55 private AlignmentPanel ap;
57 private boolean showHidden = true;
59 private boolean updateRunning = false;
61 private boolean draggingBox = false;
63 public OverviewPanel(AlignmentPanel alPanel)
69 od = new OverviewDimensionsShowHidden(av.getRanges(),
70 (av.isShowAnnotation()
71 && av.getSequenceConsensusHash() != null));
73 oviewCanvas = new OverviewCanvas(od, av);
74 setLayout(new BorderLayout());
75 add(oviewCanvas, BorderLayout.CENTER);
77 setSize(new Dimension(od.getWidth(), od.getHeight()));
79 av.getRanges().addPropertyChangeListener(this);
81 addComponentListener(new ComponentAdapter()
85 public void componentResized(ComponentEvent evt)
87 if ((getWidth() != od.getWidth())
88 || (getHeight() != (od.getHeight())))
90 updateOverviewImage();
95 addMouseMotionListener(this);
97 addMouseListener(this);
99 updateOverviewImage();
104 public void mouseEntered(MouseEvent evt)
109 public void mouseExited(MouseEvent evt)
114 public void mouseClicked(MouseEvent evt)
116 if ((evt.getModifiers()
117 & InputEvent.BUTTON3_MASK) == InputEvent.BUTTON3_MASK)
124 public void mouseMoved(MouseEvent evt)
126 if (od.isPositionInBox(evt.getX(), evt.getY()))
128 // display drag cursor at mouse position
129 setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
134 setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
139 public void mousePressed(MouseEvent evt)
141 if ((evt.getModifiers()
142 & InputEvent.BUTTON3_MASK) == InputEvent.BUTTON3_MASK)
144 if (!Platform.isAMac())
151 if (!od.isPositionInBox(evt.getX(), evt.getY()))
153 // don't do anything if the mouse press is in the overview's box
154 // (wait to see if it's a drag instead)
155 // otherwise update the viewport
156 od.updateViewportFromMouse(evt.getX(), evt.getY(),
157 av.getAlignment().getHiddenSequences(),
158 av.getAlignment().getHiddenColumns());
163 od.setDragPoint(evt.getX(), evt.getY(),
164 av.getAlignment().getHiddenSequences(),
165 av.getAlignment().getHiddenColumns());
171 public void mouseReleased(MouseEvent evt)
180 public void mouseDragged(MouseEvent evt)
182 if ((evt.getModifiers()
183 & InputEvent.BUTTON3_MASK) == InputEvent.BUTTON3_MASK)
185 if (!Platform.isAMac())
194 // set the mouse position as a fixed point in the box
195 // and drag relative to that position
196 od.adjustViewportFromMouse(evt.getX(), evt.getY(),
197 av.getAlignment().getHiddenSequences(),
198 av.getAlignment().getHiddenColumns());
202 od.updateViewportFromMouse(evt.getX(), evt.getY(),
203 av.getAlignment().getHiddenSequences(),
204 av.getAlignment().getHiddenColumns());
206 ap.paintAlignment(false);
211 * Updates the overview image when the related alignment panel is updated
213 public void updateOverviewImage()
215 if (oviewCanvas == null)
218 * panel has been disposed
223 if ((getSize().width > 0) && (getSize().height > 0))
225 od.setWidth(getSize().width);
226 od.setHeight(getSize().height);
228 setSize(new Dimension(od.getWidth(), od.getHeight()));
234 oviewCanvas.restartDraw();
238 updateRunning = true;
240 Thread thread = new Thread(this);
243 updateRunning = false;
249 oviewCanvas.draw(av.isShowSequenceFeatures(),
250 (av.isShowAnnotation()
251 && av.getAlignmentConservationAnnotation() != null),
252 ap.seqPanel.seqCanvas.getFeatureRenderer());
257 * Update the overview panel box when the associated alignment panel is
261 private void setBoxPosition()
263 od.setBoxPosition(av.getAlignment().getHiddenSequences(),
264 av.getAlignment().getHiddenColumns());
269 * Displays the popup menu and acts on user input
271 private void showPopupMenu(MouseEvent e)
273 PopupMenu popup = new PopupMenu();
274 ItemListener menuListener = new ItemListener()
277 public void itemStateChanged(ItemEvent e)
279 toggleHiddenColumns();
282 CheckboxMenuItem item = new CheckboxMenuItem(
283 MessageManager.getString("label.togglehidden"));
284 item.setState(showHidden);
286 item.addItemListener(menuListener);
288 popup.show(this, e.getX(), e.getY());
292 public void propertyChange(PropertyChangeEvent evt)
298 * Toggle overview display between showing hidden columns and hiding hidden columns
300 private void toggleHiddenColumns()
305 od = new OverviewDimensionsHideHidden(av.getRanges(),
306 (av.isShowAnnotation()
307 && av.getAlignmentConservationAnnotation() != null));
312 od = new OverviewDimensionsShowHidden(av.getRanges(),
313 (av.isShowAnnotation()
314 && av.getAlignmentConservationAnnotation() != null));
316 oviewCanvas.resetOviewDims(od);
317 updateOverviewImage();
321 * Removes this object as a property change listener, and nulls references
323 protected void dispose()
327 av.getRanges().removePropertyChangeListener(this);