Clover icon

Coverage Report

  1. Project Clover database Thu Nov 28 2024 18:06:40 GMT
  2. Package jalview.datamodel

File HiddenColumnsCursor.java

 

Coverage histogram

../../img/srcFileCovDistChart10.png
0% of files have more coverage

Code metrics

20
36
8
1
212
102
22
0.61
4.5
8
2.75

Classes

Class Line # Actions
HiddenColumnsCursor 26 36 22
1.0100%
 

Contributing tests

This file is covered by 421 tests. .

Source view

1    /*
2    * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3    * Copyright (C) $$Year-Rel$$ The Jalview Authors
4    *
5    * This file is part of Jalview.
6    *
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.
11    *
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.
16    *
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.
20    */
21    package jalview.datamodel;
22   
23    import java.util.ArrayList;
24    import java.util.List;
25   
 
26    public class HiddenColumnsCursor
27    {
28    // absolute position of first hidden column
29    private int firstColumn;
30   
31    private List<int[]> hiddenColumns = new ArrayList<>();
32   
33    private HiddenCursorPosition cursorPos = new HiddenCursorPosition(0, 0);
34   
 
35  1976 toggle protected HiddenColumnsCursor()
36    {
37   
38    }
39   
 
40  205 toggle protected HiddenColumnsCursor(List<int[]> hiddenCols)
41    {
42  205 resetCursor(hiddenCols, 0, 0);
43    }
44   
 
45  432 toggle protected HiddenColumnsCursor(List<int[]> hiddenCols, int index,
46    int hiddencount)
47    {
48  432 resetCursor(hiddenCols, index, hiddencount);
49    }
50   
51    /**
52    * Reset the cursor with a new hidden columns collection, where we know in
53    * advance the index and hidden columns count of a particular location.
54    *
55    * @param hiddenCols
56    * new hidden columns collection
57    * @param index
58    * cursor index to reset to
59    * @param hiddencount
60    * hidden columns count to reset to
61    */
 
62  637 toggle private void resetCursor(List<int[]> hiddenCols, int index,
63    int hiddencount)
64    {
65  637 hiddenColumns = hiddenCols;
66  637 if (!hiddenCols.isEmpty())
67    {
68  474 firstColumn = hiddenColumns.get(0)[0];
69  474 cursorPos = new HiddenCursorPosition(index, hiddencount);
70    }
71    }
72   
73    /**
74    * Get the cursor pointing to the hidden region that column is within (if
75    * column is hidden) or which is to the right of column (if column is
76    * visible). If no hidden columns are to the right, returns a cursor pointing
77    * to an imaginary hidden region beyond the end of the hidden columns
78    * collection (this ensures the count of previous hidden columns is correct).
79    * If hidden columns is empty returns null.
80    *
81    * @param column
82    * index of column in visible or absolute coordinates
83    * @param useVisible
84    * true if column is in visible coordinates, false if absolute
85    * @return cursor pointing to hidden region containing the column (if hidden)
86    * or to the right of the column (if visible)
87    */
 
88  175362 toggle protected HiddenCursorPosition findRegionForColumn(int column,
89    boolean useVisible)
90    {
91  175362 if (hiddenColumns.isEmpty())
92    {
93  6 return null;
94    }
95   
96    // used to add in hiddenColumns offset when working with visible columns
97  175356 int offset = (useVisible ? 1 : 0);
98   
99  175356 HiddenCursorPosition pos = cursorPos;
100  175356 int index = pos.getRegionIndex();
101  175356 int hiddenCount = pos.getHiddenSoFar();
102   
103  175356 if (column < firstColumn)
104    {
105  850 pos = new HiddenCursorPosition(0, 0);
106    }
107   
108    // column is after current region
109  174506 else if ((index < hiddenColumns.size())
110    && (hiddenColumns.get(index)[0] <= column
111    + offset * hiddenCount))
112    {
113    // iterate from where we are now, if we're lucky we'll be close by
114    // (but still better than iterating from 0)
115    // stop when we find the region *before* column
116    // i.e. the next region starts after column or if not, ends after column
117  949 pos = searchForward(pos, column, useVisible);
118    }
119   
120    // column is before current region
121    else
122    {
123  173557 pos = searchBackward(pos, column, useVisible);
124    }
125  175356 cursorPos = pos;
126  175356 return pos;
127    }
128   
129    /**
130    * Search forwards through the hidden columns collection to find the hidden
131    * region immediately before a column
132    *
133    * @param pos
134    * current position
135    * @param column
136    * column to locate
137    * @param useVisible
138    * whether using visible or absolute coordinates
139    * @return position of region before column
140    */
 
141  949 toggle private HiddenCursorPosition searchForward(HiddenCursorPosition pos,
142    int column, boolean useVisible)
143    {
144  949 HiddenCursorPosition p = pos;
145  949 if (useVisible)
146    {
147  1315 while ((p.getRegionIndex() < hiddenColumns.size())
148    && hiddenColumns.get(p.getRegionIndex())[0] <= column
149    + p.getHiddenSoFar())
150    {
151  663 p = stepForward(p);
152    }
153    }
154    else
155    {
156  630 while ((p.getRegionIndex() < hiddenColumns.size())
157    && hiddenColumns.get(p.getRegionIndex())[1] < column)
158    {
159  333 p = stepForward(p);
160    }
161    }
162  949 return p;
163    }
164   
165    /**
166    * Move to the next (rightwards) hidden region after a given cursor position
167    *
168    * @param p
169    * current position of cursor
170    * @return new position of cursor at next region
171    */
 
172  996 toggle private HiddenCursorPosition stepForward(HiddenCursorPosition p)
173    {
174  996 int[] region = hiddenColumns.get(p.getRegionIndex());
175   
176    // increment the index, and add this region's hidden columns to the hidden
177    // column count
178  996 return new HiddenCursorPosition(p.getRegionIndex() + 1,
179    p.getHiddenSoFar() + region[1] - region[0] + 1);
180    }
181   
182    /**
183    * Search backwards through the hidden columns collection to find the hidden
184    * region immediately before (left of) a given column
185    *
186    * @param pos
187    * current position
188    * @param column
189    * column to locate
190    * @param useVisible
191    * whether using visible or absolute coordinates
192    * @return position of region immediately to left of column
193    */
 
194  173557 toggle private HiddenCursorPosition searchBackward(HiddenCursorPosition p,
195    int column, boolean useVisible)
196    {
197  173557 int i = p.getRegionIndex();
198  173557 int h = p.getHiddenSoFar();
199   
200    // used to add in hiddenColumns offset when working with visible columns
201  173557 int offset = (useVisible ? 1 : 0);
202   
203  173894 while ((i > 0) && (hiddenColumns.get(i - 1)[1] >= column + offset * h))
204    {
205  337 i--;
206  337 int[] region = hiddenColumns.get(i);
207  337 h -= region[1] - region[0] + 1;
208    }
209  173557 return new HiddenCursorPosition(i, h);
210    }
211   
212    }
  • Report generated by OpenClover v 4.4.1 on Thu Nov 28 2024 18:14:23 GMT using coverage data from Thu Nov 28 2024 18:14:06 GMT.
  • OpenClover is free and open-source software.