+/*
+ * 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)
{
public void updateViewportFromMouse(int mousex, int mousey,
HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
{
- resetAlignmentDims();
+ 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)
+ {
+ // 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((float) mousex * alwidth / width);
+ int vpy = Math.round((float) mousey * alheight / sequencesHeight);
- int x = mousex;
- int y = mousey;
+ updateViewportFromTopLeft(vpx + xdiff, vpy + ydiff, hiddenSeqs,
+ hiddenCols);
- if (x < 0)
+ }
+
+ @Override
+ protected void updateViewportFromTopLeft(int leftx, int topy,
+ HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
+ {
+ int xAsRes = leftx;
+ int yAsSeq = topy;
+ resetAlignmentDims();
+
+ if (xAsRes < 0)
{
- x = 0;
+ xAsRes = 0;
}
- if (y < 0)
+ if (yAsSeq < 0)
{
- y = 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();
// went past the end of the alignment, adjust backwards
// if last position was before the end of the alignment, need to update
- if ((ranges.getEndRes() + vpwidth - 1) < alwidth)
+ if (ranges.getStartRes() < alwidth)
{
xAsRes = alwidth - vpwidth;
}
}
}
-
- //
- // 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
if (yAsSeq + vpheight > alheight)
{
// went past the end of the alignment, adjust backwards
- if ((ranges.getEndSeq() + vpheight - 1) < alheight)
+ if (ranges.getEndSeq() < alheight)
{
yAsSeq = alheight - vpheight;
}
// update viewport
ranges.setStartRes(xAsRes);
ranges.setStartSeq(yAsSeq);
-
}
@Override
alwidth = ranges.getVisibleAlignmentWidth();
alheight = ranges.getVisibleAlignmentHeight();
}
+
+ @Override
+ protected int getLeftXFromCentreX(int mousex, HiddenColumns hidden)
+ {
+ int vpx = Math.round((float) mousex * alwidth / width);
+ return vpx - ranges.getViewportWidth() / 2;
+ }
+
+ @Override
+ protected int getTopYFromCentreY(int mousey, HiddenSequences hidden)
+ {
+ int vpy = Math.round((float) mousey * alheight / sequencesHeight);
+ return vpy - ranges.getViewportHeight() / 2;
+ }
+
+ @Override
+ public void setDragPoint(int x, int y, HiddenSequences hiddenSeqs,
+ HiddenColumns hiddenCols)
+ {
+ // get alignment position of x and box (can get directly from vpranges) and
+ // calculate difference between the positions
+ int vpx = Math.round((float) x * alwidth / width);
+ int vpy = Math.round((float) y * alheight / sequencesHeight);
+
+ xdiff = ranges.getStartRes() - vpx;
+ ydiff = ranges.getStartSeq() - vpy;
+ }
+
}