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Version 17, September 2014
[GpsPrune.git] / tim / prune / data / FileInfo.java
1 package tim.prune.data;
2
3 import java.util.ArrayList;
4
5 /**
6  * Class to hold the information about the file(s)
7  * from which the data was loaded from / saved to
8  */
9 public class FileInfo
10 {
11         /** List of sources */
12         private ArrayList<SourceInfo> _sources = new ArrayList<SourceInfo>();
13
14
15         /**
16          * Empty constructor
17          */
18         public FileInfo()
19         {}
20
21         /**
22          * Private constructor for creating clone
23          * @param inList list of sources
24          */
25         private FileInfo(ArrayList<SourceInfo> inList)
26         {
27                 _sources = inList;
28         }
29
30         /**
31          * Add a data source to the list
32          * @param inInfo info object to add
33          */
34         public void addSource(SourceInfo inInfo)
35         {
36                 _sources.add(inInfo);
37         }
38
39         /**
40          * Replace the list of data sources with the given source
41          * @param inInfo new source
42          */
43         public void replaceSource(SourceInfo inInfo)
44         {
45                 _sources.clear();
46                 addSource(inInfo);
47         }
48
49         /**
50          * remove the last source added
51          */
52         public void removeSource()
53         {
54                 _sources.remove(_sources.size()-1);
55         }
56
57         /**
58          * @return the number of files loaded
59          */
60         public int getNumFiles()
61         {
62                 return _sources.size();
63         }
64
65
66         /**
67          * @return The source name, if a single file
68          */
69         public String getFilename()
70         {
71                 if (getNumFiles() == 1)
72                         return _sources.get(0).getName();
73                 return "";
74         }
75
76         /**
77          * @param inIndex index number
78          * @return source info object
79          */
80         public SourceInfo getSource(int inIndex) {
81                 return _sources.get(inIndex);
82         }
83
84         /**
85          * Get the SourceInfo object (if any) for the given point
86          * @param inPoint point object
87          * @return SourceInfo object if there is one, otherwise null
88          */
89         public SourceInfo getSourceForPoint(DataPoint inPoint)
90         {
91                 for (SourceInfo source : _sources) {
92                         if (source.getIndex(inPoint) >= 0) {
93                                 return source;
94                         }
95                 }
96                 return null;
97         }
98
99         /**
100          * Clone contents of file info
101          */
102         @SuppressWarnings("unchecked")
103         public FileInfo clone()
104         {
105                 // copy source list
106                 ArrayList<SourceInfo> copy = (ArrayList<SourceInfo>) _sources.clone();
107                 return new FileInfo(copy);
108         }
109 }