+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview 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.
+ *
+ * Jalview 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 Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
package jalview.viewmodel;
import jalview.api.AlignmentColsCollectionI;
{
private ViewportRanges ranges;
+ private int xdiff; // when dragging, difference in alignment units between
+ // start residue and original mouse click position
+
+ private int ydiff; // when dragging, difference in alignment units between
+ // start sequence and original mouse click position
+
public OverviewDimensionsHideHidden(ViewportRanges vpranges,
boolean showAnnotationPanel)
{
int xAsRes = getLeftXFromCentreX(mousex, hiddenCols);
int yAsSeq = getTopYFromCentreY(mousey, hiddenSeqs);
+ updateViewportFromTopLeft(xAsRes, yAsSeq, hiddenSeqs, hiddenCols);
+
+ }
+
+ @Override
+ public void adjustViewportFromMouse(int mousex, int mousey,
+ HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
+ {
+ resetAlignmentDims();
+
+ // calculate translation in pixel terms:
+ // get mouse location in viewport coords, add translation in viewport
+ // coords, and update viewport as usual
+ int vpx = Math.round(mousex * widthRatio);
+ int vpy = Math.round(mousey * heightRatio);
+
+ updateViewportFromTopLeft(vpx + xdiff, vpy + ydiff, hiddenSeqs,
+ hiddenCols);
+
+ }
+
+ /**
+ * {@inheritDoc} Callers should have already called resetAlignmentDims to
+ * refresh alwidth, alheight and width/height ratios
+ */
+ @Override
+ protected void updateViewportFromTopLeft(int leftx, int topy,
+ HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
+ {
+ int xAsRes = leftx;
+ int yAsSeq = topy;
+
if (xAsRes < 0)
{
xAsRes = 0;
yAsSeq = 0;
}
- //
- // Convert x value to residue position
- //
-
- // need to determine where scrollCol should be, given x
- // to do this also need to know width of viewport, and some hidden column
- // correction
-
- // convert x to residues - this is an absolute position
- // int xAsRes = Math.round((float) x * alwidth / width);
+ if (ranges.isWrappedMode())
+ {
+ yAsSeq = 0; // sorry, no vertical scroll when wrapped
+ }
// get viewport width in residues
int vpwidth = ranges.getViewportWidth();
}
}
-
- //
- // Convert y value to sequence position
- //
-
- // convert y to residues
- // int yAsSeq = Math.round((float) y * alheight / sequencesHeight);
+ // Determine where scrollRow should be, given visYAsSeq
// get viewport height in sequences
// add 1 because height includes both endSeq and startSeq
}
}
- // update viewport
- ranges.setStartRes(xAsRes);
- ranges.setStartSeq(yAsSeq);
-
+ ranges.setStartResAndSeq(xAsRes, yAsSeq);
}
@Override
public AlignmentColsCollectionI getColumns(AlignmentI al)
{
return new VisibleColsCollection(0,
- ranges.getAbsoluteAlignmentWidth() - 1, al);
+ ranges.getAbsoluteAlignmentWidth() - 1, al.getHiddenColumns());
}
@Override
{
alwidth = ranges.getVisibleAlignmentWidth();
alheight = ranges.getVisibleAlignmentHeight();
+
+ widthRatio = (float) alwidth / width;
+ heightRatio = (float) alheight / sequencesHeight;
}
+ /**
+ * {@inheritDoc} Callers should have already called resetAlignmentDims to
+ * refresh widthRatio
+ */
@Override
protected int getLeftXFromCentreX(int mousex, HiddenColumns hidden)
{
- int vpx = Math.round((float) mousex * alwidth / width);
+ int vpx = Math.round(mousex * widthRatio);
return vpx - ranges.getViewportWidth() / 2;
}
+ /**
+ * {@inheritDoc} Callers should have already called resetAlignmentDims to
+ * refresh heightRatio
+ */
@Override
protected int getTopYFromCentreY(int mousey, HiddenSequences hidden)
{
- int vpy = Math.round((float) mousey * alheight / sequencesHeight);
+ int vpy = Math.round(mousey * heightRatio);
return vpy - ranges.getViewportHeight() / 2;
}
+
+ @Override
+ public void setDragPoint(int x, int y, HiddenSequences hiddenSeqs,
+ HiddenColumns hiddenCols)
+ {
+ resetAlignmentDims();
+
+ // get alignment position of x and box (can get directly from vpranges) and
+ // calculate difference between the positions
+ int vpx = Math.round(x * widthRatio);
+ int vpy = Math.round(y * heightRatio);
+
+ xdiff = ranges.getStartRes() - vpx;
+ ydiff = ranges.getStartSeq() - vpy;
+ }
+
}