+ * Reorders annotation rows after a drag of a label
+ *
+ * @param evt
+ */
+ @Override
+ public void mouseReleased(MouseEvent evt)
+ {
+ if (evt.isPopupTrigger())
+ {
+ showPopupMenu(evt);
+ return;
+ }
+
+ int start = selectedRow;
+ getSelectedRow(evt.getY() - getScrollOffset());
+ int end = selectedRow;
+
+ /*
+ * if dragging to resize instead, start == end
+ */
+ if (start != end)
+ {
+ // Swap these annotations
+ AlignmentAnnotation startAA = ap.av.getAlignment()
+ .getAlignmentAnnotation()[start];
+ if (end == -1)
+ {
+ end = ap.av.getAlignment().getAlignmentAnnotation().length - 1;
+ }
+ AlignmentAnnotation endAA = ap.av.getAlignment()
+ .getAlignmentAnnotation()[end];
+
+ ap.av.getAlignment().getAlignmentAnnotation()[end] = startAA;
+ ap.av.getAlignment().getAlignmentAnnotation()[start] = endAA;
+ }
+
+ resizePanel = false;
+ dragEvent = null;
+ repaint();
+ ap.getAnnotationPanel().repaint();
+ }
+
+ /**
+ * Removes the height adjuster image on leaving the panel, unless currently
+ * dragging it
+ */
+ @Override
+ public void mouseExited(MouseEvent evt)
+ {
+ if (resizePanel && dragEvent == null)
+ {
+ resizePanel = false;
+ repaint();
+ }
+ }
+
+ /**
+ * A mouse drag may be either an adjustment of the panel height (if flag
+ * resizePanel is set on), or a reordering of the annotation rows. The former
+ * is dealt with by this method, the latter in mouseReleased.
+ *
+ * @param evt
+ */
+ @Override
+ public void mouseDragged(MouseEvent evt)
+ {
+ dragEvent = evt;
+
+ if (resizePanel)
+ {
+ Dimension d = ap.annotationScroller.getPreferredSize();
+ int dif = evt.getY() - oldY;
+
+ dif /= ap.av.getCharHeight();
+ dif *= ap.av.getCharHeight();
+
+ if ((d.height - dif) > 20)
+ {
+ ap.annotationScroller
+ .setPreferredSize(new Dimension(d.width, d.height - dif));
+ d = ap.annotationSpaceFillerHolder.getPreferredSize();
+ ap.annotationSpaceFillerHolder
+ .setPreferredSize(new Dimension(d.width, d.height - dif));
+ ap.paintAlignment(true, false);
+ }
+
+ ap.addNotify();
+ }
+ else
+ {
+ repaint();
+ }
+ }
+
+ /**
+ * Updates the tooltip as the mouse moves over the labels
+ *
+ * @param evt
+ */
+ @Override
+ public void mouseMoved(MouseEvent evt)
+ {
+ showOrHideAdjuster(evt);
+
+ getSelectedRow(evt.getY() - getScrollOffset());
+
+ if (selectedRow > -1 && ap.av.getAlignment()
+ .getAlignmentAnnotation().length > selectedRow)
+ {
+ AlignmentAnnotation aa = ap.av.getAlignment()
+ .getAlignmentAnnotation()[selectedRow];
+
+ String desc = getTooltip(aa);
+ this.setToolTipText(desc);
+ }
+ }
+
+ /**
+ * Answers a tooltip, formatted as html, containing the annotation description
+ * (prefixed by associated sequence id if applicable), and the annotation
+ * (non-positional) score if it has one. Answers null if neither description
+ * nor score is found.
+ *
+ * @param aa
+ * @return
+ */
+ static String getTooltip(AlignmentAnnotation aa)
+ {
+ if (aa == null)
+ {
+ return null;
+ }
+ StringBuilder tooltip = new StringBuilder();
+ if (aa.description != null && !aa.description.equals("New description"))
+ {
+ // TODO: we could refactor and merge this code with the code in
+ // jalview.gui.SeqPanel.mouseMoved(..) that formats sequence feature
+ // tooltips
+ String desc = aa.getDescription(true).trim();
+ if (!desc.toLowerCase().startsWith(HTML_START_TAG))
+ {
+ tooltip.append(HTML_START_TAG);
+ desc = desc.replace("<", "<");
+ }
+ else if (desc.toLowerCase().endsWith(HTML_END_TAG))
+ {
+ desc = desc.substring(0, desc.length() - HTML_END_TAG.length());
+ }
+ tooltip.append(desc);
+ }
+ else
+ {
+ // begin the tooltip's html fragment
+ tooltip.append(HTML_START_TAG);
+ }
+ if (aa.hasScore())
+ {
+ if (tooltip.length() > HTML_START_TAG.length())
+ {
+ tooltip.append("<br/>");
+ }
+ // TODO: limit precision of score to avoid noise from imprecise
+ // doubles
+ // (64.7 becomes 64.7+/some tiny value).
+ tooltip.append(" Score: ").append(String.valueOf(aa.score));
+ }
+
+ if (tooltip.length() > HTML_START_TAG.length())
+ {
+ return tooltip.append(HTML_END_TAG).toString();
+ }
+
+ /*
+ * nothing in the tooltip (except "<html>")
+ */
+ return null;
+ }
+
+ /**
+ * Shows the height adjuster image if the mouse moves into the top left
+ * region, or hides it if the mouse leaves the regio
+ *
+ * @param evt
+ */
+ protected void showOrHideAdjuster(MouseEvent evt)
+ {
+ boolean was = resizePanel;
+ resizePanel = evt.getY() < HEIGHT_ADJUSTER_HEIGHT && evt.getX() < HEIGHT_ADJUSTER_WIDTH;
+
+ if (resizePanel != was)
+ {
+ setCursor(Cursor.getPredefinedCursor(
+ resizePanel ? Cursor.S_RESIZE_CURSOR
+ : Cursor.DEFAULT_CURSOR));
+ repaint();
+ }
+ }
+
+ @Override
+ public void mouseClicked(MouseEvent evt)
+ {
+ final AlignmentAnnotation[] aa = ap.av.getAlignment()
+ .getAlignmentAnnotation();
+ if (!evt.isPopupTrigger() && SwingUtilities.isLeftMouseButton(evt))
+ {
+ if (selectedRow > -1 && selectedRow < aa.length)
+ {
+ if (aa[selectedRow].groupRef != null)
+ {
+ if (evt.getClickCount() >= 2)
+ {
+ // todo: make the ap scroll to the selection - not necessary, first
+ // click highlights/scrolls, second selects
+ ap.getSeqPanel().ap.getIdPanel().highlightSearchResults(null);
+ // process modifiers
+ SequenceGroup sg = ap.av.getSelectionGroup();
+ if (sg == null || sg == aa[selectedRow].groupRef
+ || !(Platform.isControlDown(evt) || evt.isShiftDown()))
+ {
+ if (Platform.isControlDown(evt) || evt.isShiftDown())
+ {
+ // clone a new selection group from the associated group
+ ap.av.setSelectionGroup(
+ new SequenceGroup(aa[selectedRow].groupRef));
+ }
+ else
+ {
+ // set selection to the associated group so it can be edited
+ ap.av.setSelectionGroup(aa[selectedRow].groupRef);
+ }
+ }
+ else
+ {
+ // modify current selection with associated group
+ int remainToAdd = aa[selectedRow].groupRef.getSize();
+ for (SequenceI sgs : aa[selectedRow].groupRef.getSequences())
+ {
+ if (jalview.util.Platform.isControlDown(evt))
+ {
+ sg.addOrRemove(sgs, --remainToAdd == 0);
+ }
+ else
+ {
+ // notionally, we should also add intermediate sequences from
+ // last added sequence ?
+ sg.addSequence(sgs, --remainToAdd == 0);
+ }
+ }
+ }
+
+ ap.paintAlignment(false, false);
+ PaintRefresher.Refresh(ap, ap.av.getSequenceSetId());
+ ap.av.sendSelection();
+ }
+ else
+ {
+ ap.getSeqPanel().ap.getIdPanel().highlightSearchResults(
+ aa[selectedRow].groupRef.getSequences(null));
+ }
+ return;
+ }
+ else if (aa[selectedRow].sequenceRef != null)
+ {
+ if (evt.getClickCount() == 1)
+ {
+ ap.getSeqPanel().ap.getIdPanel()
+ .highlightSearchResults(Arrays.asList(new SequenceI[]
+ { aa[selectedRow].sequenceRef }));
+ }
+ else if (evt.getClickCount() >= 2)
+ {
+ ap.getSeqPanel().ap.getIdPanel().highlightSearchResults(null);
+ SequenceGroup sg = ap.av.getSelectionGroup();
+ if (sg != null)
+ {
+ // we make a copy rather than edit the current selection if no
+ // modifiers pressed
+ // see Enhancement JAL-1557
+ if (!(Platform.isControlDown(evt) || evt.isShiftDown()))
+ {
+ sg = new SequenceGroup(sg);
+ sg.clear();
+ sg.addSequence(aa[selectedRow].sequenceRef, false);
+ }
+ else
+ {
+ if (Platform.isControlDown(evt))
+ {
+ sg.addOrRemove(aa[selectedRow].sequenceRef, true);
+ }
+ else
+ {
+ // notionally, we should also add intermediate sequences from
+ // last added sequence ?
+ sg.addSequence(aa[selectedRow].sequenceRef, true);
+ }
+ }
+ }
+ else
+ {
+ sg = new SequenceGroup();
+ sg.setStartRes(0);
+ sg.setEndRes(ap.av.getAlignment().getWidth() - 1);
+ sg.addSequence(aa[selectedRow].sequenceRef, false);
+ }
+ ap.av.setSelectionGroup(sg);
+ ap.paintAlignment(false, false);
+ PaintRefresher.Refresh(ap, ap.av.getSequenceSetId());
+ ap.av.sendSelection();
+ }
+
+ }
+ }
+ return;
+ }
+ }
+
+ /**