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1 package de.mpg.mpiwg.itgroup.digilib.plugin.editors;
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2
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3 import org.eclipse.jface.action.*;
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4 import org.eclipse.jface.dialogs.MessageDialog;
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5 import org.eclipse.ui.IActionBars;
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6 import org.eclipse.ui.IEditorPart;
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7 import org.eclipse.ui.IWorkbenchActionConstants;
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8 import org.eclipse.ui.PlatformUI;
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9 import org.eclipse.ui.actions.ActionFactory;
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10 import org.eclipse.ui.ide.IDE;
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11 import org.eclipse.ui.ide.IDEActionFactory;
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12 import org.eclipse.ui.part.MultiPageEditorActionBarContributor;
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13 import org.eclipse.ui.texteditor.ITextEditor;
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14 import org.eclipse.ui.texteditor.ITextEditorActionConstants;
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15
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16 /**
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17 * Manages the installation/deinstallation of global actions for multi-page editors.
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18 * Responsible for the redirection of global actions to the active editor.
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19 * Multi-page contributor replaces the contributors for the individual editors in the multi-page editor.
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20 */
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21 public class DigilibLinkEditorContributor extends MultiPageEditorActionBarContributor {
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22 private IEditorPart activeEditorPart;
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23 private Action sampleAction;
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24 /**
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25 * Creates a multi-page contributor.
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26 */
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27 public DigilibLinkEditorContributor() {
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28 super();
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29 createActions();
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30 }
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31 /**
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32 * Returns the action registed with the given text editor.
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33 * @return IAction or null if editor is null.
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34 */
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35 protected IAction getAction(ITextEditor editor, String actionID) {
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36 return (editor == null ? null : editor.getAction(actionID));
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37 }
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38 /* (non-JavaDoc)
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39 * Method declared in AbstractMultiPageEditorActionBarContributor.
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40 */
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41
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42 public void setActivePage(IEditorPart part) {
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43 if (activeEditorPart == part)
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44 return;
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45
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46 activeEditorPart = part;
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47
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48 IActionBars actionBars = getActionBars();
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49 if (actionBars != null) {
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50
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51 ITextEditor editor = (part instanceof ITextEditor) ? (ITextEditor) part : null;
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52
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53 actionBars.setGlobalActionHandler(
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54 ActionFactory.DELETE.getId(),
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55 getAction(editor, ITextEditorActionConstants.DELETE));
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56 actionBars.setGlobalActionHandler(
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57 ActionFactory.UNDO.getId(),
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58 getAction(editor, ITextEditorActionConstants.UNDO));
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59 actionBars.setGlobalActionHandler(
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60 ActionFactory.REDO.getId(),
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61 getAction(editor, ITextEditorActionConstants.REDO));
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62 actionBars.setGlobalActionHandler(
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63 ActionFactory.CUT.getId(),
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64 getAction(editor, ITextEditorActionConstants.CUT));
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65 actionBars.setGlobalActionHandler(
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66 ActionFactory.COPY.getId(),
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67 getAction(editor, ITextEditorActionConstants.COPY));
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68 actionBars.setGlobalActionHandler(
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69 ActionFactory.PASTE.getId(),
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70 getAction(editor, ITextEditorActionConstants.PASTE));
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71 actionBars.setGlobalActionHandler(
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72 ActionFactory.SELECT_ALL.getId(),
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73 getAction(editor, ITextEditorActionConstants.SELECT_ALL));
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74 actionBars.setGlobalActionHandler(
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75 ActionFactory.FIND.getId(),
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76 getAction(editor, ITextEditorActionConstants.FIND));
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77 actionBars.setGlobalActionHandler(
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78 IDEActionFactory.BOOKMARK.getId(),
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79 getAction(editor, IDEActionFactory.BOOKMARK.getId()));
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80 actionBars.updateActionBars();
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81 }
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82 }
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83 private void createActions() {
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84 sampleAction = new Action() {
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85 public void run() {
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86 MessageDialog.openInformation(null, "digilibClient", "Sample Action Executed");
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87 }
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88 };
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89 sampleAction.setText("Sample Action");
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90 sampleAction.setToolTipText("Sample Action tool tip");
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91 sampleAction.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().
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92 getImageDescriptor(IDE.SharedImages.IMG_OBJS_TASK_TSK));
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93 }
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94 public void contributeToMenu(IMenuManager manager) {
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95 IMenuManager menu = new MenuManager("Editor &Menu");
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96 manager.prependToGroup(IWorkbenchActionConstants.MB_ADDITIONS, menu);
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97 menu.add(sampleAction);
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98 }
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99 public void contributeToToolBar(IToolBarManager manager) {
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100 manager.add(new Separator());
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101 manager.add(sampleAction);
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102 }
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103 }
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