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.viewmodel;
23 import jalview.api.AlignmentColsCollectionI;
24 import jalview.api.AlignmentRowsCollectionI;
25 import jalview.datamodel.AlignmentI;
26 import jalview.datamodel.HiddenColumns;
27 import jalview.datamodel.HiddenSequences;
28 import jalview.datamodel.VisibleColsCollection;
29 import jalview.datamodel.VisibleRowsCollection;
31 public class OverviewDimensionsHideHidden extends OverviewDimensions
33 private ViewportRanges ranges;
35 private int xdiff; // when dragging, difference in alignment units between
36 // start residue and original mouse click position
38 private int ydiff; // when dragging, difference in alignment units between
39 // start sequence and original mouse click position
41 public OverviewDimensionsHideHidden(ViewportRanges vpranges,
42 boolean showAnnotationPanel)
44 super(vpranges, showAnnotationPanel);
50 public void updateViewportFromMouse(int mousex, int mousey,
51 HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
55 int xAsRes = getLeftXFromCentreX(mousex, hiddenCols);
56 int yAsSeq = getTopYFromCentreY(mousey, hiddenSeqs);
58 updateViewportFromTopLeft(xAsRes, yAsSeq, hiddenSeqs, hiddenCols);
63 public void adjustViewportFromMouse(int mousex, int mousey,
64 HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
68 // calculate translation in pixel terms:
69 // get mouse location in viewport coords, add translation in viewport
70 // coords, and update viewport as usual
71 int vpx = Math.round(mousex * widthRatio);
72 int vpy = Math.round(mousey * heightRatio);
74 updateViewportFromTopLeft(vpx + xdiff, vpy + ydiff, hiddenSeqs,
80 * {@inheritDoc} Callers should have already called resetAlignmentDims to
81 * refresh alwidth, alheight and width/height ratios
84 protected void updateViewportFromTopLeft(int leftx, int topy,
85 HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
100 if (ranges.isWrappedMode())
102 yAsSeq = 0; // sorry, no vertical scroll when wrapped
105 // get viewport width in residues
106 int vpwidth = ranges.getViewportWidth();
108 if (xAsRes + vpwidth > alwidth)
110 // went past the end of the alignment, adjust backwards
112 // if last position was before the end of the alignment, need to update
113 if (ranges.getStartRes() < alwidth)
115 xAsRes = alwidth - vpwidth;
119 xAsRes = ranges.getStartRes();
123 // Determine where scrollRow should be, given visYAsSeq
125 // get viewport height in sequences
126 // add 1 because height includes both endSeq and startSeq
127 int vpheight = ranges.getViewportHeight();
129 if (yAsSeq + vpheight > alheight)
131 // went past the end of the alignment, adjust backwards
132 if (ranges.getEndSeq() < alheight)
134 yAsSeq = alheight - vpheight;
138 yAsSeq = ranges.getStartSeq();
142 ranges.setStartResAndSeq(xAsRes, yAsSeq);
146 public void setBoxPosition(HiddenSequences hiddenSeqs,
147 HiddenColumns hiddenCols)
149 setBoxPosition(ranges.getStartRes(), ranges.getStartSeq(),
150 ranges.getViewportWidth(), ranges.getViewportHeight());
154 public AlignmentColsCollectionI getColumns(AlignmentI al)
156 return new VisibleColsCollection(0,
157 ranges.getAbsoluteAlignmentWidth() - 1, al.getHiddenColumns());
161 public AlignmentRowsCollectionI getRows(AlignmentI al)
163 return new VisibleRowsCollection(0,
164 ranges.getAbsoluteAlignmentHeight() - 1, al);
168 protected void resetAlignmentDims()
170 alwidth = ranges.getVisibleAlignmentWidth();
171 alheight = ranges.getVisibleAlignmentHeight();
173 widthRatio = (float) alwidth / width;
174 heightRatio = (float) alheight / sequencesHeight;
178 * {@inheritDoc} Callers should have already called resetAlignmentDims to
182 protected int getLeftXFromCentreX(int mousex, HiddenColumns hidden)
184 int vpx = Math.round(mousex * widthRatio);
185 return vpx - ranges.getViewportWidth() / 2;
189 * {@inheritDoc} Callers should have already called resetAlignmentDims to
190 * refresh heightRatio
193 protected int getTopYFromCentreY(int mousey, HiddenSequences hidden)
195 int vpy = Math.round(mousey * heightRatio);
196 return vpy - ranges.getViewportHeight() / 2;
200 public void setDragPoint(int x, int y, HiddenSequences hiddenSeqs,
201 HiddenColumns hiddenCols)
203 resetAlignmentDims();
205 // get alignment position of x and box (can get directly from vpranges) and
206 // calculate difference between the positions
207 int vpx = Math.round(x * widthRatio);
208 int vpy = Math.round(y * heightRatio);
210 xdiff = ranges.getStartRes() - vpx;
211 ydiff = ranges.getStartSeq() - vpy;