package jalview.gui;
import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.AlignmentI;
import jalview.datamodel.Annotation;
import jalview.datamodel.ColumnSelection;
import jalview.datamodel.HiddenColumns;
MouseListener, MouseWheelListener, MouseMotionListener,
ActionListener, AdjustmentListener, Scrollable, ViewportListenerI
{
+ enum DragMode
+ {
+ Select, Resize, Undefined
+ };
+
String HELIX = MessageManager.getString("label.helix");
String SHEET = MessageManager.getString("label.sheet");
// Used For mouse Dragging and resizing graphs
int graphStretch = -1;
- int graphStretchY = -1;
+ int mouseDragLastX = -1;
- int min; // used by mouseDragged to see if user
+ int mouseDragLastY = -1;
- int max; // used by mouseDragged to see if user
+ DragMode dragMode = DragMode.Undefined;
boolean mouseDragging = false;
}
/**
- * DOCUMENT ME!
+ * Action on right mouse pressed on Mac is to show a pop-up menu for the
+ * annotation. Action on left mouse pressed is to find which annotation is
+ * pressed and mark the start of a column selection or graph resize operation.
*
* @param evt
- * DOCUMENT ME!
*/
@Override
public void mousePressed(MouseEvent evt)
{
return;
}
+ mouseDragLastX = evt.getX();
+ mouseDragLastY = evt.getY();
+ /*
+ * add visible annotation heights until we reach the y
+ * position, to find which annotation it is in
+ */
int height = 0;
activeRow = -1;
}
else if (aa[i].graph > 0)
{
- // Stretch Graph
+ /*
+ * we have clicked on a resizable graph annotation
+ */
graphStretch = i;
- graphStretchY = y;
}
-
break;
}
}
}
/**
- * DOCUMENT ME!
+ * Action on mouse up is to clear mouse drag data and call mouseReleased on
+ * ScalePanel, to deal with defining the selection group (if any) defined by
+ * the mouse drag
*
* @param evt
- * DOCUMENT ME!
*/
@Override
public void mouseReleased(MouseEvent evt)
{
graphStretch = -1;
- graphStretchY = -1;
+ mouseDragLastX = -1;
+ mouseDragLastY = -1;
mouseDragging = false;
+ dragMode = DragMode.Undefined;
ap.getScalePanel().mouseReleased(evt);
/*
@Override
public void mouseDragged(MouseEvent evt)
{
- if (graphStretch > -1)
+ /*
+ * todo: if dragMode is Undefined:
+ * - set to Select if dx > dy
+ * - set to Resize if dy > dx
+ * - do nothing if dx == dy
+ */
+ final int x = evt.getX();
+ final int y = evt.getY();
+ if (dragMode == DragMode.Undefined)
{
- av.getAlignment()
- .getAlignmentAnnotation()[graphStretch].graphHeight += graphStretchY
- - evt.getY();
- if (av.getAlignment()
- .getAlignmentAnnotation()[graphStretch].graphHeight < 0)
+ int dx = Math.abs(x - mouseDragLastX);
+ int dy = Math.abs(y - mouseDragLastY);
+ if (graphStretch == -1 || dx > dy)
{
- av.getAlignment()
- .getAlignmentAnnotation()[graphStretch].graphHeight = 0;
+ /*
+ * mostly horizontal drag, or not a graph annotation
+ */
+ dragMode = DragMode.Select;
+ }
+ else if (dy > dx)
+ {
+ /*
+ * mostly vertical drag
+ */
+ dragMode = DragMode.Resize;
}
- graphStretchY = evt.getY();
- adjustPanelHeight();
- ap.paintAlignment(false, false);
}
- else
+
+ if (dragMode == DragMode.Undefined)
{
- ap.getScalePanel().mouseDragged(evt);
+ /*
+ * drag is diagonal - defer deciding whether to
+ * treat as up/down or left/right
+ */
+ return;
+ }
+
+ try
+ {
+ if (dragMode == DragMode.Resize)
+ {
+ /*
+ * resize graph annotation if mouse was dragged up or down
+ */
+ int deltaY = mouseDragLastY - evt.getY();
+ if (deltaY != 0)
+ {
+ AlignmentAnnotation graphAnnotation = av.getAlignment()
+ .getAlignmentAnnotation()[graphStretch];
+ int newHeight = Math.max(0, graphAnnotation.graphHeight + deltaY);
+ graphAnnotation.graphHeight = newHeight;
+ adjustPanelHeight();
+ ap.paintAlignment(false, false);
+ }
+ }
+ else
+ {
+ /*
+ * for mouse drag left or right, delegate to
+ * ScalePanel to adjust the column selection
+ */
+ ap.getScalePanel().mouseDragged(evt);
+ }
+ } finally
+ {
+ mouseDragLastX = x;
+ mouseDragLastY = y;
}
}
@Override
public void mouseMoved(MouseEvent evt)
{
+ int yPos = evt.getY();
AlignmentAnnotation[] aa = av.getAlignment().getAlignmentAnnotation();
- if (aa == null)
- {
- this.setToolTipText(null);
- return;
- }
-
- int row = -1;
- int height = 0;
-
- for (int i = 0; i < aa.length; i++)
- {
- if (aa[i].visible)
- {
- height += aa[i].height;
- }
-
- if (evt.getY() < height)
- {
- row = i;
- break;
- }
- }
+ int row = getRowIndex(yPos, aa);
if (row == -1)
{
if (row > -1 && ann.annotations != null
&& column < ann.annotations.length)
{
- buildToolTip(ann, column, aa);
- setStatusMessage(column, ann);
+ setToolTipText(buildToolTip(ann, column, aa));
+ String msg = getStatusMessage(av.getAlignment(), column, ann);
+ ap.alignFrame.setStatus(msg);
}
else
{
this.setToolTipText(null);
- ap.alignFrame.statusBar.setText(" ");
+ ap.alignFrame.setStatus(" ");
+ }
+ }
+
+ /**
+ * Answers the index in the annotations array of the visible annotation at the
+ * given y position. This is done by adding the heights of visible annotations
+ * until the y position has been exceeded. Answers -1 if no annotations are
+ * visible, or the y position is below all annotations.
+ *
+ * @param yPos
+ * @param aa
+ * @return
+ */
+ static int getRowIndex(int yPos, AlignmentAnnotation[] aa)
+ {
+ if (aa == null)
+ {
+ return -1;
}
+ int row = -1;
+ int height = 0;
+
+ for (int i = 0; i < aa.length; i++)
+ {
+ if (aa[i].visible)
+ {
+ height += aa[i].height;
+ }
+
+ if (height > yPos)
+ {
+ row = i;
+ break;
+ }
+ }
+ return row;
}
/**
- * Builds a tooltip for the annotation at the current mouse position.
+ * Answers a tooltip for the annotation at the current mouse position
*
* @param ann
* @param column
* @param anns
*/
- void buildToolTip(AlignmentAnnotation ann, int column,
+ static String buildToolTip(AlignmentAnnotation ann, int column,
AlignmentAnnotation[] anns)
{
+ String tooltip = null;
if (ann.graphGroup > -1)
{
StringBuilder tip = new StringBuilder(32);
if (tip.length() != 6)
{
tip.setLength(tip.length() - 4);
- this.setToolTipText(tip.toString() + "</html>");
+ tooltip = tip.toString() + "</html>";
}
}
- else if (ann.annotations[column] != null)
+ else if (column < ann.annotations.length
+ && ann.annotations[column] != null)
{
String description = ann.annotations[column].description;
if (description != null && description.length() > 0)
{
- this.setToolTipText(JvSwingUtils.wrapTooltip(true, description));
+ tooltip = JvSwingUtils.wrapTooltip(true, description);
}
else
{
- this.setToolTipText(null); // no tooltip if null or empty description
+ tooltip = null; // no tooltip if null or empty description
}
}
else
{
// clear the tooltip.
- this.setToolTipText(null);
+ tooltip = null;
}
+ return tooltip;
}
/**
- * Constructs and displays the status bar message
+ * Constructs and returns the status bar message
*
+ * @param al
* @param column
* @param ann
*/
- void setStatusMessage(int column, AlignmentAnnotation ann)
+ static String getStatusMessage(AlignmentI al, int column,
+ AlignmentAnnotation ann)
{
/*
* show alignment column and annotation description if any
text.append(MessageManager.getString("label.column")).append(" ")
.append(column + 1);
- if (ann.annotations[column] != null)
+ if (column < ann.annotations.length && ann.annotations[column] != null)
{
String description = ann.annotations[column].description;
if (description != null && description.trim().length() > 0)
SequenceI seqref = ann.sequenceRef;
if (seqref != null)
{
- int seqIndex = av.getAlignment().findIndex(seqref);
+ int seqIndex = al.findIndex(seqref);
if (seqIndex != -1)
{
text.append(", ").append(MessageManager.getString("label.sequence"))
{
text.append(" ");
String name;
- if (av.getAlignment().isNucleotide())
+ if (al.isNucleotide())
{
name = ResidueProperties.nucleotideName
.get(String.valueOf(residue));
}
}
- ap.alignFrame.statusBar.setText(text.toString());
+ return text.toString();
}
/**