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1
8 package com.nightlabs.editor2d.filter;
9
10 import java.beans.PropertyChangeListener  ;
11 import java.beans.PropertyChangeSupport ;
12 import java.util.ArrayList ;
13 import java.util.Collection ;
14 import java.util.List ;
15 import java.util.Map ;
16
17 import com.nightlabs.editor2d.DrawComponent;
18
19
22 public class FilterManager
23 {
24 public static final String FILTER_CHANGED = "Filter changed";
25
26 protected Map filter2FilterName;
27 public String getTypeName(Class clazz)
28 {
29 try {
30 Object o = clazz.newInstance();
31 if (o instanceof DrawComponent)
32 return ((DrawComponent)o).getTypeName();
33 } catch (InstantiationException e) {
34 return clazz.getName();
35 } catch (IllegalAccessException e) {
36 return clazz.getName();
37 }
38 return clazz.getName();
39 }
40
41
46 protected List filters;
47 protected List allFilters;
48 public FilterManager() {
49 super();
50 }
51
52 public void addFilter(Class clazz)
53 {
54 if (clazz == null)
55 throw new IllegalArgumentException ("Param clazz must not be null!");
56
57 getFilters().add(clazz);
58 getAllFilters().add(clazz);
59 }
60
61 public void addFilters(Collection classes)
62 {
63 if (classes == null)
64 throw new IllegalArgumentException ("Param classes must not be null!");
65
66 getFilters().addAll(classes);
67 getAllFilters().addAll(classes);
68 }
69
70 public List getFilters()
71 {
72 if (filters == null)
73 filters = new ArrayList ();
74
75 return filters;
76 }
77
78 public List getAllFilters()
79 {
80 if (allFilters == null)
81 allFilters = new ArrayList ();
82
83 return allFilters;
84 }
85
86 public void setFilter(Class clazz)
87 {
88 if (clazz == null)
89 throw new IllegalArgumentException ("Param clazz must not be null!");
90
91 getFilters().clear();
92 getFilters().add(clazz);
93 pcs.firePropertyChange(FILTER_CHANGED, null, getFilters());
94 }
95
96 public void setFilter(Collection classes)
97 {
98 if (classes == null)
99 throw new IllegalArgumentException ("Param classes must not be null!");
100
101 getFilters().clear();
102 getFilters().addAll(classes);
103 pcs.firePropertyChange(FILTER_CHANGED, null, getFilters());
104 }
105
106 public void setAllFiltersAvailable() {
107 setFilter(getAllFilters());
108 }
109
110 public boolean isAllFilterSet() {
111 if (filters != null && allFilters != null) {
112 if (filters.size() == allFilters.size())
113 return true;
114 else
115 return false;
116 }
117 return true;
118 }
119
120 protected PropertyChangeSupport pcs = new PropertyChangeSupport (this);
121 public void addPropertyChangeListener(PropertyChangeListener pcl) {
122 pcs.addPropertyChangeListener(pcl);
123 }
124 public void removePropertyChangeListener(PropertyChangeListener pcl) {
125 pcs.removePropertyChangeListener(pcl);
126 }
127 }
128
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