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1
11 package org.eclipse.jdt.internal.ui.wizards.buildpaths;
12
13 import java.util.ArrayList  ;
14 import java.util.List ;
15 import java.util.Set ;
16
17 import org.eclipse.core.runtime.IPath;
18
19 import org.eclipse.swt.widgets.Composite;
20 import org.eclipse.swt.widgets.Control;
21 import org.eclipse.swt.widgets.Shell;
22
23 import org.eclipse.jdt.core.IClasspathAttribute;
24 import org.eclipse.jdt.core.IClasspathEntry;
25 import org.eclipse.jdt.core.IJavaProject;
26
27 import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
28
29 import org.eclipse.jdt.ui.wizards.ClasspathAttributeConfiguration;
30
31 import org.eclipse.jdt.internal.ui.JavaPlugin;
32
33 public abstract class BuildPathBasePage {
34
35 private ClasspathAttributeConfigurationDescriptors fAttributeDescriptors;
36
37 public BuildPathBasePage() {
38 fAttributeDescriptors= JavaPlugin.getDefault().getClasspathAttributeConfigurationDescriptors();
39 }
40
41 protected boolean editCustomAttribute(Shell shell, CPListElementAttribute elem) {
42 ClasspathAttributeConfiguration config= fAttributeDescriptors.get(elem.getKey());
43 if (config != null) {
44 IClasspathAttribute result= config.performEdit(shell, elem.getClasspathAttributeAccess());
45 if (result != null) {
46 elem.setValue(result.getValue());
47 return true;
48 }
49 }
50 return false;
51 }
52
53 protected boolean removeCustomAttribute(CPListElementAttribute elem) {
54 ClasspathAttributeConfiguration config= fAttributeDescriptors.get(elem.getKey());
55 if (config != null) {
56 IClasspathAttribute result= config.performRemove(elem.getClasspathAttributeAccess());
57 if (result != null) {
58 elem.setValue(result.getValue());
59 return true;
60 }
61 }
62 return false;
63 }
64
65 protected boolean canEditCustomAttribute(CPListElementAttribute elem) {
66 ClasspathAttributeConfiguration config= fAttributeDescriptors.get(elem.getKey());
67 if (config != null) {
68 return config.canEdit(elem.getClasspathAttributeAccess());
69 }
70 return false;
71 }
72
73 protected boolean canRemoveCustomAttribute(CPListElementAttribute elem) {
74 ClasspathAttributeConfiguration config= fAttributeDescriptors.get(elem.getKey());
75 if (config != null) {
76 return config.canRemove(elem.getClasspathAttributeAccess());
77 }
78 return false;
79 }
80
81
82 public abstract List getSelection();
83 public abstract void setSelection(List selection, boolean expand);
84
85
86 public void addElement(CPListElement element) {
87
88 }
89
90 public abstract boolean isEntryKind(int kind);
91
92 protected void filterAndSetSelection(List list) {
93 ArrayList res= new ArrayList (list.size());
94 for (int i= list.size()-1; i >= 0; i--) {
95 Object curr= list.get(i);
96 if (curr instanceof CPListElement) {
97 CPListElement elem= (CPListElement) curr;
98 if (elem.getParentContainer() == null && isEntryKind(elem.getEntryKind())) {
99 res.add(curr);
100 }
101 }
102 }
103 setSelection(res, false);
104 }
105
106 public static void fixNestingConflicts(CPListElement[] newEntries, CPListElement[] existing, Set modifiedSourceEntries) {
107 for (int i= 0; i < newEntries.length; i++) {
108 addExclusionPatterns(newEntries[i], existing, modifiedSourceEntries);
109 }
110 }
111
112 private static void addExclusionPatterns(CPListElement newEntry, CPListElement[] existing, Set modifiedEntries) {
113 IPath entryPath= newEntry.getPath();
114 for (int i= 0; i < existing.length; i++) {
115 CPListElement curr= existing[i];
116 if (curr.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
117 IPath currPath= curr.getPath();
118 if (!currPath.equals(entryPath)) {
119 if (currPath.isPrefixOf(entryPath)) {
120 if (addToExclusions(entryPath, curr)) {
121 modifiedEntries.add(curr);
122 }
123 } else if (entryPath.isPrefixOf(currPath) && newEntry.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
124 if (addToExclusions(currPath, newEntry)) {
125 modifiedEntries.add(curr);
126 }
127 }
128 }
129 }
130 }
131 }
132
133 private static boolean addToExclusions(IPath entryPath, CPListElement curr) {
134 IPath[] exclusionFilters= (IPath[]) curr.getAttribute(CPListElement.EXCLUSION);
135 if (!JavaModelUtil.isExcludedPath(entryPath, exclusionFilters)) {
136 IPath pathToExclude= entryPath.removeFirstSegments(curr.getPath().segmentCount()).addTrailingSeparator();
137 IPath[] newExclusionFilters= new IPath[exclusionFilters.length + 1];
138 System.arraycopy(exclusionFilters, 0, newExclusionFilters, 0, exclusionFilters.length);
139 newExclusionFilters[exclusionFilters.length]= pathToExclude;
140 curr.setAttribute(CPListElement.EXCLUSION, newExclusionFilters);
141 return true;
142 }
143 return false;
144 }
145
146 protected boolean containsOnlyTopLevelEntries(List selElements) {
147 if (selElements.size() == 0) {
148 return true;
149 }
150 for (int i= 0; i < selElements.size(); i++) {
151 Object elem= selElements.get(i);
152 if (elem instanceof CPListElement) {
153 if (((CPListElement) elem).getParentContainer() != null) {
154 return false;
155 }
156 } else {
157 return false;
158 }
159 }
160 return true;
161 }
162
163 public abstract void init(IJavaProject javaProject);
164
165 public abstract Control getControl(Composite parent);
166
167 public abstract void setFocus();
168
169 }
170 |
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