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1
8 package com.nightlabs.rcp.action;
9
10 import java.beans.PropertyChangeListener  ;
11 import java.beans.PropertyChangeSupport ;
12 import java.io.File ;
13 import java.util.ArrayList ;
14 import java.util.Iterator ;
15 import java.util.List ;
16 import java.util.regex.Pattern ;
17
18 import org.eclipse.core.runtime.IConfigurationElement;
19 import org.eclipse.jface.action.Action;
20 import org.eclipse.swt.SWT;
21 import org.eclipse.swt.widgets.Display;
22 import org.eclipse.swt.widgets.FileDialog;
23 import org.eclipse.swt.widgets.MessageBox;
24 import org.eclipse.ui.IEditorDescriptor;
25 import org.eclipse.ui.IEditorRegistry;
26 import org.eclipse.ui.IFileEditorMapping;
27 import org.eclipse.ui.PartInitException;
28 import org.eclipse.ui.PlatformUI;
29
30 import com.nightlabs.base.NLBasePlugin;
31 import com.nightlabs.config.Config;
32 import com.nightlabs.config.ConfigException;
33 import com.nightlabs.rcp.config.RecentFileConfig;
34 import com.nightlabs.rcp.extensionpoint.AbstractEPProcessor;
35 import com.nightlabs.rcp.extensionpoint.EPProcessorException;
36 import com.nightlabs.rcp.io.IOUtil;
37 import com.nightlabs.rcp.util.RCPUtil;
38
39 public class OpenFileAction
40 extends Action
41 {
42 public static final String ID = OpenFileAction.class.getName();
43 public static final String FILTER_ALL = "*";
44
45 protected RecentFileConfig historyConfig;
46
47 protected PropertyChangeSupport pcs = new PropertyChangeSupport (this);
48 public void addPropertyChangeListener(PropertyChangeListener pcl) {
49 pcs.addPropertyChangeListener(pcl);
50 };
51 public void removePropertyChangeListener(PropertyChangeListener pcl) {
52 pcs.removePropertyChangeListener(pcl);
53 };
54
55 public OpenFileAction() {
56 super();
57 init();
58 }
59
60 protected void init()
61 {
62 setId(ID);
63 setText(NLBasePlugin.getResourceString("action.openfile.text"));
64 setToolTipText(NLBasePlugin.getResourceString("action.openfile.tooltip"));
65
66 try {
67 historyConfig = (RecentFileConfig) Config.sharedInstance().createConfigModule(RecentFileConfig.class);
68 } catch (ConfigException e) {
69 e.printStackTrace();
71 }
72 }
73
74 protected List getRecentFileNames() {
75 if (historyConfig != null)
76 return historyConfig.getRecentFileNames();
77
78 return null;
79 }
80
81 public void run()
82 {
83 FileDialog dialog = new FileDialog(Display.getDefault().getActiveShell(), SWT.OPEN);
84 IEditorRegistry editorRegistry = PlatformUI.getWorkbench().getEditorRegistry();
85 String [] fileExtensions = getFileExtensions(editorRegistry);
86 dialog.setFilterExtensions(fileExtensions);
87 String fullFileName = dialog.open();
88 if (fullFileName == null)
90 return;
91
92 File file = new File (fullFileName);
93 if (!file.exists()) {
94 return;
95 }
96
97 try {
98 boolean foundEditor = IOUtil.openFile(file);
99 if (foundEditor)
100 addFileToHistory(fullFileName);
101 } catch (PartInitException e) {
102 e.printStackTrace();
103 RCPUtil.showErrorDialog(
104 NLBasePlugin.getResourceString("action.openfile.error.message1")
105 + " " + fullFileName + " " +
106 NLBasePlugin.getResourceString("action.openfile.error.message2")
107 );
108 }
109 }
110
111 public static final String HISTORY_FILE_ADDED = "history file added";
112 protected void addFileToHistory(String fileName)
113 {
114 if (getRecentFileNames() != null)
115 {
116 if (!getRecentFileNames().contains(fileName))
118 {
119 getRecentFileNames().add(fileName);
120 pcs.firePropertyChange(HISTORY_FILE_ADDED, null, fileName);
121 }
122 historyConfig.setChanged(true);
123 }
124 }
125
126 protected String [] getFileExtensions(IEditorRegistry editorRegistry)
127 {
128 IFileEditorMapping[] mappings = editorRegistry.getFileEditorMappings();
129 List extensions = new ArrayList (mappings.length);
130 for (int mapCount=0; mapCount<mappings.length; mapCount++) {
131 IFileEditorMapping map = mappings[mapCount];
132 String extension = map.getExtension();
133 IEditorDescriptor[] editorDescritors = map.getEditors();
134 for (int descCount=0; descCount<editorDescritors.length; descCount++) {
135 IEditorDescriptor descriptor = editorDescritors[descCount];
136 String id = descriptor.getId();
137 if (EditorFileFilterRegistry.getSharedInstance().doesMatchEditorID(id)) {
138 if (isValid(extension)) {
139 extensions.add(extension);
140 }
141 }
142 }
143 }
144 if (isUseFilterAll()) {
145 extensions.add(0, FILTER_ALL);
146 }
147 String [] fileExtensions = new String [extensions.size()];
148 for (int j=0; j<extensions.size(); j++) {
149 String fileExtension = (String ) extensions.get(j);
150 fileExtensions[j] = concatExtension(fileExtension);
151 }
152 return fileExtensions;
153 }
154
155 protected boolean isValid(String s)
156 {
157 if (s == null)
158 return false;
159 if (s.equals("") || s.equals(" "))
160 return false;
161
162 return true;
163 }
164
165 protected String concatExtension(String s) {
166 return "*." + s;
167 }
168
169 protected boolean useFilterAll = true;
170 public boolean isUseFilterAll() {
171 return useFilterAll;
172 }
173 public void setUseFilterAll(boolean useFilterAll) {
174 this.useFilterAll = useFilterAll;
175 }
176
177 }
178 |
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