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.AllColsCollection;
27 import jalview.datamodel.AllRowsCollection;
28 import jalview.datamodel.HiddenColumns;
29 import jalview.datamodel.HiddenSequences;
31 public class OverviewDimensionsShowHidden 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
42 * Create an OverviewDimensions object
45 * positional properties of the viewport
46 * @param showAnnotationPanel
47 * true if the annotation panel is to be shown, false otherwise
49 public OverviewDimensionsShowHidden(ViewportRanges vpranges,
50 boolean showAnnotationPanel)
52 super(vpranges, showAnnotationPanel);
58 * Check box dimensions and scroll positions and correct if necessary
61 * x position in overview panel
63 * y position in overview panel
69 * viewport position properties
72 public void updateViewportFromMouse(int mousex, int mousey,
73 HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
75 // convert mousex and mousey to alignment units as well as
76 // translating to top left corner of viewport - this is an absolute position
77 int xAsRes = getLeftXFromCentreX(mousex, hiddenCols);
78 int yAsSeq = getTopYFromCentreY(mousey, hiddenSeqs);
80 // convert to visible positions
81 int visXAsRes = hiddenCols.findColumnPosition(xAsRes);
82 yAsSeq = hiddenSeqs.adjustForHiddenSeqs(
83 hiddenSeqs.findIndexWithoutHiddenSeqs(yAsSeq));
84 int visYAsSeq = hiddenSeqs.findIndexWithoutHiddenSeqs(yAsSeq);
86 // update viewport accordingly
87 updateViewportFromTopLeft(visXAsRes, visYAsSeq, hiddenSeqs, hiddenCols);
91 public void adjustViewportFromMouse(int mousex, int mousey,
92 HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
94 // calculate translation in pixel terms:
95 // get mouse location in viewport coords, add translation in viewport
97 // convert back to pixel coords
98 int vpx = Math.round((float) mousex * alwidth / width);
99 int visXAsRes = hiddenCols.findColumnPosition(vpx) + xdiff;
101 int vpy = Math.round((float) mousey * alheight / sequencesHeight);
102 int visYAsRes = hiddenSeqs.findIndexWithoutHiddenSeqs(vpy) + ydiff;
104 // update viewport accordingly
105 updateViewportFromTopLeft(visXAsRes, visYAsRes,
111 protected void updateViewportFromTopLeft(int leftx, int topy,
112 HiddenSequences hiddenSeqs, HiddenColumns hiddenCols)
114 int visXAsRes = leftx;
115 int visYAsSeq = topy;
116 resetAlignmentDims();
128 // Determine where scrollCol should be, given visXAsRes
130 // get viewport width in residues
131 int vpwidth = ranges.getViewportWidth();
133 // check in case we went off the edge of the alignment
134 int visAlignWidth = hiddenCols.findColumnPosition(alwidth - 1);
135 if (visXAsRes + vpwidth - 1 > visAlignWidth)
137 // went past the end of the alignment, adjust backwards
139 // if last position was before the end of the alignment, need to update
140 if (ranges.getEndRes() < visAlignWidth)
142 visXAsRes = hiddenCols.findColumnPosition(hiddenCols
143 .subtractVisibleColumns(vpwidth - 1, alwidth - 1));
147 visXAsRes = ranges.getStartRes();
151 // Determine where scrollRow should be, given visYAsSeq
153 // get viewport height in sequences
154 int vpheight = ranges.getViewportHeight();
156 // check in case we went off the edge of the alignment
157 int visAlignHeight = hiddenSeqs.findIndexWithoutHiddenSeqs(alheight);
159 if (visYAsSeq + vpheight - 1 > visAlignHeight)
161 // went past the end of the alignment, adjust backwards
162 if (ranges.getEndSeq() < visAlignHeight)
164 visYAsSeq = hiddenSeqs.findIndexWithoutHiddenSeqs(hiddenSeqs
165 .subtractVisibleRows(vpheight - 1, alheight - 1));
169 visYAsSeq = ranges.getStartSeq();
174 ranges.setStartRes(visXAsRes);
175 ranges.setStartSeq(visYAsSeq);
179 * Update the overview panel box when the associated alignment panel is
187 * viewport position properties
190 public void setBoxPosition(HiddenSequences hiddenSeqs,
191 HiddenColumns hiddenCols)
193 // work with absolute values of startRes and endRes
194 int startRes = hiddenCols.adjustForHiddenColumns(ranges.getStartRes());
195 int endRes = hiddenCols.adjustForHiddenColumns(ranges.getEndRes());
197 // work with absolute values of startSeq and endSeq
198 int startSeq = hiddenSeqs.adjustForHiddenSeqs(ranges.getStartSeq());
199 int endSeq = hiddenSeqs.adjustForHiddenSeqs(ranges.getEndSeq());
201 setBoxPosition(startRes, startSeq, endRes - startRes + 1, endSeq
206 public AlignmentColsCollectionI getColumns(AlignmentI al)
208 return new AllColsCollection(0,
209 ranges.getAbsoluteAlignmentWidth() - 1, al);
213 public AlignmentRowsCollectionI getRows(AlignmentI al)
215 return new AllRowsCollection(0,
216 ranges.getAbsoluteAlignmentHeight() - 1,
221 protected void resetAlignmentDims()
223 alwidth = ranges.getAbsoluteAlignmentWidth();
224 alheight = ranges.getAbsoluteAlignmentHeight();
228 protected int getLeftXFromCentreX(int mousex, HiddenColumns hidden)
230 int vpx = Math.round((float) mousex * alwidth / width);
231 return hidden.subtractVisibleColumns(ranges.getViewportWidth() / 2,
236 protected int getTopYFromCentreY(int mousey, HiddenSequences hidden)
238 int vpy = Math.round((float) mousey * alheight / sequencesHeight);
239 return hidden.subtractVisibleRows(ranges.getViewportHeight() / 2, vpy);
243 public void setDragPoint(int x, int y, HiddenSequences hiddenSeqs,
244 HiddenColumns hiddenCols)
246 // get alignment position of x and box (can get directly from vpranges) and
247 // calculate difference between the positions
248 int vpx = Math.round((float) x * alwidth / width);
249 int vpy = Math.round((float) y * alheight / sequencesHeight);
251 xdiff = ranges.getStartRes() - hiddenCols.findColumnPosition(vpx);
252 ydiff = ranges.getStartSeq()
253 - hiddenSeqs.findIndexWithoutHiddenSeqs(vpy);