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1
6
7 package analyzer.charts;
8
9 import analyzer.listeners.WindowData;
10 import java.util.Hashtable  ;
11 import java.util.Enumeration ;
12 import java.util.TreeSet ;
13 import java.util.Iterator ;
14
15
19 public class DataManager {
20
21 Hashtable editor,all,show;
22 long start,end;
23
24
25 public DataManager(Hashtable allWindows,Hashtable editorWindows) {
26 start=end=-1;
27 editor=editorWindows;
28 all=allWindows;
29 show=(Hashtable )all.clone();
30 }
31
32 public void setStartTime(long time){
33 start=time;
34 }
35
36 public void setEndTime(long duration){
37 end=start+duration;
38 }
39
40 public void hideAllEditorWindows(){
41 Enumeration e=editor.keys();
42 Object key;
43 while(e.hasMoreElements()){
44 key=e.nextElement();
45 if(show.containsKey(key)) show.remove(key);
46 }
47 }
48
49 public void showAllEditorWindows(){
50 Enumeration e=editor.keys();
51 Object key;
52 while(e.hasMoreElements()){
53 key=e.nextElement();
54 if(!show.containsKey(key)) show.put(key,editor.get(key));
55 }
56 }
57
58 public void display(){
59 if(start==-1){
60 System.err.println("start time not fixed");
61 return;
62 }
63 if(start>=end){
64 System.err.println("start >= end");
65 return;
66 }
67 ChartManager chart=new ChartManager(start,end);
68 Iterator it=sort();
69 WindowData w;
70 while(it.hasNext()){
71 w=(WindowData)it.next();
72 chart.addChart(w);
73 }
74 chart.displayCharts();
75 }
76
77 private Iterator sort(){
78 TreeSet tree=new TreeSet ();
79 Enumeration e=show.elements();
80 WindowData w;
81 while(e.hasMoreElements()){
82 w=(WindowData)e.nextElement();
83 tree.add(w);
84 }
85 return tree.iterator();
86 }
87
88 public void showThisWindow(String name){
89 WindowData w=(WindowData)all.get(name);
90 if(w==null){
91 System.err.println("no such window:"+name);
92 return;
93 }
94 show.put(name,w);
95 }
96
97 public void hideThisWindow(String name){
98 show.remove(name);
99 }
100 }
101 |
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Java API By Example, From Geeks To Geeks.