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annotate dbus-d-javatests/jsrc/filetree/FileTreeContentProvider.java @ 1:65fb7ef02c50

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organize imports
author Frank Benoit <benoit@tionex.de>
date Sat, 20 Oct 2007 19:29:06 +0200
parents a5576806d36d
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1 package filetree;
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2
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3 import org.eclipse.jface.viewers.ITreeContentProvider;
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4 import org.eclipse.jface.viewers.Viewer;
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5
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6 /**
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7 * This class provides the content for the tree in FileTree
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8 */
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9
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10 class FileTreeContentProvider implements ITreeContentProvider {
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11 /**
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12 * Gets the children of the specified object
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13 *
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14 * @param arg0
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15 * the parent object
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16 * @return Object[]
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17 */
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18 public Object[] getChildren(Object arg0) {
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19 // Return the files and subdirectories in this directory
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20 return ((DataItem) arg0).getChilds();
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21 }
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22
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23 /**
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24 * Gets the parent of the specified object
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25 *
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26 * @param arg0
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27 * the object
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28 * @return Object
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29 */
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30 public Object getParent(Object arg0) {
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31 // Return this file's parent file
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32 return null;//((DataItem) arg0).getParentFile();
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33 }
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34
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35 /**
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36 * Returns whether the passed object has children
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37 *
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38 * @param arg0
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39 * the parent object
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40 * @return boolean
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41 */
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42 public boolean hasChildren(Object arg0) {
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43 return ((DataItem) arg0).isFolder();
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44 }
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45
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46 /**
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47 * Gets the root element(s) of the tree
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48 *
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49 * @param arg0
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50 * the input data
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51 * @return Object[]
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52 */
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53 public Object[] getElements(Object arg0) {
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54 // These are the root elements of the tree
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55 // We don't care what arg0 is, because we just want all
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56 // the root nodes in the file system
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57 return ((DataFileSystem)arg0).getRoots();
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58 }
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59
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60 /**
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61 * Disposes any created resources
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62 */
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63 public void dispose() {
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64 // Nothing to dispose
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65 }
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66
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67 /**
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68 * Called when the input changes
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69 *
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70 * @param arg0
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71 * the viewer
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72 * @param arg1
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73 * the old input
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74 * @param arg2
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75 * the new input
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76 */
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77 public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
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78 // Nothing to change
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79 }
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80 }