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27
28 package org.nightlabs.editor2d.outline.filter;
29
30 import java.beans.PropertyChangeEvent  ;
31 import java.beans.PropertyChangeListener ;
32 import java.beans.PropertyChangeSupport ;
33 import java.util.ArrayList ;
34 import java.util.Collection ;
35 import java.util.Iterator ;
36 import java.util.List ;
37
38 import org.nightlabs.editor2d.MultiLayerDrawComponent;
39
40
43 public class FilterManager
44 {
45 public static final String FILTER_CHANGED = "Filter changed";
46 public static final String FILTER_ADDED = "Filter added";
47 public static final String FILTERS_ADDED = "Filters added";
48
49 public String getTypeName(Class c) {
50 return nameProvider.getTypeName(c);
51 }
52
53 protected List filters;
54 protected List allFilters;
55 protected FilterNameProvider nameProvider = null;
56 public FilterManager(FilterNameProvider nameProvider)
57 {
58 super();
59 this.nameProvider = nameProvider;
60 }
61
62 public void addFilter(Class clazz)
63 {
64 if (clazz == null)
65 throw new IllegalArgumentException ("Param clazz must not be null!");
66
67 getFilters().add(clazz);
68 getAllFilters().add(clazz);
69
70 checkIgnore();
71 pcs.firePropertyChange(FILTER_ADDED, null, clazz);
72 }
73
74 public void addFilters(Collection classes)
75 {
76 if (classes == null)
77 throw new IllegalArgumentException ("Param classes must not be null!");
78
79 getFilters().addAll(classes);
80 getAllFilters().addAll(classes);
81
82 checkIgnore();
83 pcs.firePropertyChange(FILTERS_ADDED, null, classes);
84 }
85
86 public List getFilters()
87 {
88 if (filters == null)
89 filters = new ArrayList ();
90
91 return filters;
92 }
93
94 public List getAllFilters()
95 {
96 if (allFilters == null)
97 allFilters = new ArrayList ();
98
99 return allFilters;
100 }
101
102 public void setFilter(Class clazz)
103 {
104 if (clazz == null)
105 throw new IllegalArgumentException ("Param clazz must not be null!");
106
107 getFilters().clear();
108 getFilters().add(clazz);
109 pcs.firePropertyChange(FILTER_CHANGED, null, getFilters());
110 }
111
112 public void setFilter(Collection classes)
113 {
114 if (classes == null)
115 throw new IllegalArgumentException ("Param classes must not be null!");
116
117 getFilters().clear();
118 getFilters().addAll(classes);
119 pcs.firePropertyChange(FILTER_CHANGED, null, getFilters());
120 }
121
122 public void setAllFiltersAvailable() {
123 setFilter(getAllFilters());
124 }
125
126 public boolean isAllFilterSet() {
127 if (filters != null && allFilters != null) {
128 if (filters.size() == allFilters.size())
129 return true;
130 else
131 return false;
132 }
133 return true;
134 }
135
136 protected PropertyChangeSupport pcs = new PropertyChangeSupport (this);
137 public void addPropertyChangeListener(PropertyChangeListener pcl) {
138 pcs.addPropertyChangeListener(pcl);
139 }
140 public void removePropertyChangeListener(PropertyChangeListener pcl) {
141 pcs.removePropertyChangeListener(pcl);
142 }
143
144 protected PropertyChangeListener newTypeListener = new PropertyChangeListener ()
145 {
146 public void propertyChange(PropertyChangeEvent evt)
147 {
148 if (evt.getPropertyName().equals(MultiLayerDrawComponent.TYPE_ADDED)) {
149 Class c = (Class ) evt.getNewValue();
150 addFilter(c);
151 }
152 }
153 };
154
155 public PropertyChangeListener getTypeListener() {
156 return newTypeListener;
157 }
158
159 protected List ignoreClasses = new ArrayList ();
160 public void ignoreClass(Class c)
161 {
162 ignoreClasses.add(c);
163 checkIgnore();
164 }
165
166 protected void checkIgnore()
167 {
168 for (Iterator it = ignoreClasses.iterator(); it.hasNext(); ) {
169 Class c = (Class ) it.next();
170 if (getAllFilters().contains(c)) {
171 getAllFilters().remove(c);
172 if (getFilters().contains(c))
173 getFilters().remove(c);
174 }
175 }
176 }
177
178 }
179 |
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