Source Code Cross Referenced for DirectoryStatExplorer.java in  » IDE » tIDE » snow » files » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE » tIDE » snow.files 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package snow.files;
002:
003:        import snow.utils.gui.*;
004:        import java.awt.event.*;
005:        import java.awt.event.MouseAdapter;
006:        import java.awt.BorderLayout;
007:        import snow.utils.DateUtils;
008:        import snow.utils.storage.*;
009:        import java.awt.Color;
010:        import java.awt.Component;
011:        import java.awt.Graphics;
012:        import javax.swing.*;
013:        import javax.swing.table.*;
014:        import snow.sortabletable.*;
015:        import java.util.*;
016:        import java.io.*;
017:
018:        /** With content last mod date statistics (min, max, median)
019:         */
020:        public final class DirectoryStatExplorer {
021:            final File baseFolder;
022:            final JFileChooser chooser;
023:
024:            final int baseLength;
025:            final List<Folder> folders = new ArrayList<Folder>();
026:            long dateOverallMin = Long.MAX_VALUE, dateOverallMax = -1;
027:            long totFileCount = 0;
028:            long totSizeCount = 0;
029:            final String[] columns = new String[] { "package", "files", "size",
030:                    "median date", "last modified dates [min, median, max]" };
031:
032:            public DirectoryStatExplorer(final File baseFolder,
033:                    final JFileChooser chooser) {
034:                this .baseFolder = baseFolder;
035:                this .chooser = chooser;
036:                baseLength = baseFolder.getAbsolutePath().length();
037:
038:                if (baseFolder == null)
039:                    return;
040:                if (!baseFolder.isDirectory())
041:                    return;
042:
043:                ProgressModalDialog pmd = new ProgressModalDialog(new JFrame(),
044:                        "Scanning " + baseFolder.getAbsolutePath(), true);
045:                pmd.start();
046:
047:                List<File> allFolders = new ArrayList<File>();
048:                FileUtils.getFoldersRecurse(baseFolder, allFolders, false);
049:
050:                pmd.setProgressBounds(allFolders.size());
051:
052:                System.out.println("" + allFolders.size()
053:                        + " folders found in " + baseFolder);
054:
055:                for (File fi : allFolders) {
056:                    if (pmd.getWasCancelled()) {
057:                        pmd.closeDialog();
058:                        return;
059:                    }
060:
061:                    pmd.incrementProgress(1);
062:                    Folder ffi = new Folder(fi);
063:                    totFileCount += ffi.count;
064:                    totSizeCount += ffi.size;
065:                    folders.add(ffi);
066:
067:                    pmd.setProgressComment("" + folders.size() + " folders, "
068:                            + totFileCount + " files.");
069:                }
070:                pmd.closeDialog();
071:
072:                view();
073:
074:            }
075:
076:            void view() {
077:                String tit = "Folders explorer for " + totFileCount
078:                        + " files and " + folders.size() + " folders, "
079:                        + FileUtils.formatSize(totSizeCount)
080:                        + "   [dates range: "
081:                        + DateUtils.dateFormatMDY.format(dateOverallMin)
082:                        + " - "
083:                        + DateUtils.dateFormatMDY.format(dateOverallMax) + "]";
084:
085:                JDialog d = new JDialog(new JFrame(), tit, true); // if false, remains behind the chooser !
086:                CloseControlPanel ccp = new CloseControlPanel(d, false, true,
087:                        "Close");
088:                d.add(ccp, BorderLayout.SOUTH);
089:
090:                final FoldersTableModel ftm = new FoldersTableModel();
091:                final SortableTableModel stm = new SortableTableModel(ftm, 7,
092:                        false); // so we see first the last modified packs
093:                final JTable table = new JTable(stm);
094:                Renderer renderer = new Renderer();
095:                stm.installGUI(table);
096:                table.setDefaultRenderer(Folder.class, renderer);
097:
098:                d.add(new JScrollPane(table), BorderLayout.CENTER);
099:
100:                MultiSearchPanel msp = new MultiSearchPanel("Filter: ", null,
101:                        stm);
102:                d.add(msp, BorderLayout.NORTH);
103:
104:                table.addMouseListener(new MouseAdapter() {
105:                    @Override
106:                    public void mousePressed(MouseEvent me) {
107:                        if (me.getClickCount() == 2) {
108:                            int pos = stm.getIndexInUnsortedFromTablePos(table
109:                                    .getSelectedRow());
110:                            Folder fi = folders.get(pos);
111:                            if (chooser != null) {
112:                                chooser.setSelectedFile(fi.folder);
113:                            }
114:                        }
115:                    }
116:                });
117:
118:                d.setSize(850, 700);
119:                d.setLocation(150, 50);
120:                d.setVisible(true);
121:
122:            }
123:
124:            /** Creates stats of the folder's content
125:             */
126:            class Folder {
127:                final File folder;
128:                final String name;
129:
130:                int count = 0;
131:                long size = 0;
132:                long dateMin = Long.MAX_VALUE;
133:                long dateMax = -1;
134:                long dateMedian;
135:                List<Long> dates = new ArrayList<Long>(); // used for median
136:
137:                public Folder(File folder) {
138:                    this .folder = folder;
139:                    this .name = folder.getAbsolutePath().substring(baseLength);
140:
141:                    File[] fis = folder.listFiles();
142:                    if (fis != null) {
143:                        for (File fi : fis) {
144:                            if (fi.isFile()) {
145:                                count++;
146:                                size += fi.length();
147:                                long lm = fi.lastModified();
148:
149:                                if (lm > 0) {
150:                                    dates.add(lm);
151:
152:                                    if (lm < dateMin)
153:                                        dateMin = lm;
154:                                    if (lm > dateMax)
155:                                        dateMax = lm;
156:
157:                                    if (lm < dateOverallMin)
158:                                        dateOverallMin = lm;
159:                                    if (lm > dateOverallMax)
160:                                        dateOverallMax = lm;
161:                                }
162:
163:                            }
164:                        }
165:                    }
166:
167:                    endStat();
168:                }
169:
170:                /** Must be called at the end, after all sources have been added */
171:                public void endStat() {
172:                    if (!dates.isEmpty()) {
173:                        dateMedian = dates.get(dates.size() / 2);
174:                    }
175:                    dates.clear(); // no more used.
176:                }
177:
178:            }
179:
180:            class FoldersTableModel extends FineGrainTableModel {
181:                public Object getValueAt(int row, int col) {
182:                    Folder it = folders.get(row);
183:                    if (col == 0) {
184:                        if (it.name.length() == 0)
185:                            return "<unnamed scope>";
186:                        return it.name;
187:                    }
188:                    if (col == 1) {
189:                        return it.count;
190:                    }
191:                    if (col == 2) {
192:                        if (it.size <= 0)
193:                            return "";
194:                        return FileUtils.formatSize(it.size);
195:                    }
196:                    if (col == 3) {
197:                        if (it.dateMedian <= 0)
198:                            return "";
199:                        return DateUtils.dateFormatMDY.format(it.dateMedian);
200:                    }
201:                    if (col == 4) {
202:                        return it;
203:                        /*DateUtils.dateFormatMDY.format( it.dateMin ) + " - "+ DateUtils.dateFormatMDY.format( it.dateMedian )
204:                         +" - "+DateUtils.dateFormatMDY.format( it.dateMax );*/
205:                    }
206:
207:                    return "?";
208:                }
209:
210:                public int getColumnAlignment(int column) {
211:                    if (column == 0)
212:                        return JLabel.LEFT;
213:                    return JLabel.RIGHT;
214:                }
215:
216:                int[] COLUMN_PREFERED_SIZES = new int[] { 26, 4, 4, 8, 20 };
217:
218:                @Override
219:                public int getPreferredColumnWidth(int column) {
220:                    if (column >= 0 && column < COLUMN_PREFERED_SIZES.length)
221:                        return COLUMN_PREFERED_SIZES[column];
222:                    return -1;
223:                }
224:
225:                @Override
226:                public int compareForColumnSort(int row1, int row2, int col) {
227:                    if (col == 2) {
228:                        return Long.valueOf(folders.get(row1).size).compareTo(
229:                                folders.get(row2).size);
230:                    }
231:
232:                    if (col == 3) {
233:                        return Long.valueOf(folders.get(row1).dateMedian)
234:                                .compareTo(folders.get(row2).dateMedian);
235:                    }
236:                    if (col == 4) {
237:                        // of interrest: look at last mod ! first not very useful
238:                        return Long.valueOf(folders.get(row1).dateMax)
239:                                .compareTo(folders.get(row2).dateMax);
240:                    }
241:
242:                    // use the getValueAt
243:                    return super .compareForColumnSort(row1, row2, col);
244:                }
245:
246:                @Override
247:                public String getColumnName(int col) {
248:                    return columns[col];
249:                }
250:
251:                public int getRowCount() {
252:                    return folders.size();
253:                }
254:
255:                public int getColumnCount() {
256:                    return columns.length;
257:                }
258:
259:                @Override
260:                public boolean isCellEditable(int r, int c) {
261:                    return false;
262:                }
263:
264:            }
265:
266:            class Renderer extends DefaultTableCellRenderer {
267:                RendererIm rim = new RendererIm();
268:
269:                public Component getTableCellRendererComponent(JTable table,
270:                        Object value, boolean isSelected, boolean hasFocus,
271:                        int row, int column) {
272:                    if (column == 4) {
273:                        //rim.setPreferredSize( getPreferredSize() );
274:                        if (isSelected) {
275:                            rim.setBackground(UIManager
276:                                    .getColor("Table.selectionBackground"));
277:                        } else {
278:                            rim.setBackground(UIManager
279:                                    .getColor("Table.background"));
280:                        }
281:                        rim.set((Folder) value);
282:                        return rim;
283:                    }
284:                    return super .getTableCellRendererComponent(table, value,
285:                            isSelected, hasFocus, row, column);
286:                }
287:            }
288:
289:            class RendererIm extends JPanel {
290:                Folder pi;
291:
292:                public RendererIm() {
293:                    super ();
294:                    //setBackground(table.getBackground()); //Color.white);
295:                    //setSize(200,20);
296:                }
297:
298:                public void set(Folder pi) {
299:                    this .pi = pi;
300:                }
301:
302:                @Override
303:                public void paintComponent(Graphics gr) {
304:                    super .paintComponent(gr); // border, background, ...
305:                    if (pi == null)
306:                        return;
307:                    if (dateOverallMax < 0)
308:                        return;
309:
310:                    // gray bloc from min to max
311:                    gr.setColor(Color.lightGray);
312:                    int min = (int) (relPosDate(pi.dateMin) * getWidth());
313:                    int max = (int) (relPosDate(pi.dateMax) * getWidth());
314:                    gr.fillRect(min, 2, max - min, getHeight() - 4);
315:                    int med = (int) (relPosDate(pi.dateMedian) * getWidth());
316:                    gr.setColor(Color.darkGray);
317:                    gr.fillRect(med, 0, 1, getHeight());
318:                }
319:            }
320:
321:            // in [0,1]
322:            private double relPosDate(final long d) {
323:                return (1.0 * (d - dateOverallMin))
324:                        / (dateOverallMax - dateOverallMin);
325:            }
326:
327:            public static void main(String[] args) {
328:                FileChooserFilter.main(args);
329:            }
330:
331:        }
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