Examples of org.rssowl.ui.internal.undo.NewsStateOperation

org.rssowl.ui.internal.undo.NewsStateOperation
An instance of {@link IUndoOperation} that allows to undo/redo changing thestate of News. For example this supports undo/redo of deleting news or marking news as read. @author bpasero

    UndoStack.getInstance().addOperation(new StickyOperation(Collections.singletonList(news), true));
    news.setFlagged(true);
    DynamicDAO.save(news);


    for (int i = 0; i < 20; i++) {
      UndoStack.getInstance().addOperation(new NewsStateOperation(Collections.singletonList(news), i % 2 == 0 ? INews.State.UNREAD : INews.State.READ, false));
      DynamicDAO.getDAO(INewsDAO.class).setState(Collections.singletonList(news), i % 2 == 0 ? INews.State.UNREAD : INews.State.READ, false, false);
    }


    int undos = 0;
    while (UndoStack.getInstance().isUndoSupported()) {

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        Set<INews> singleNewsSet = Collections.singleton(news);
        boolean affectEquivalentNews = (state != INews.State.UNREAD && OwlUI.markReadDuplicates());


        /* Add to UndoStack */
        UndoStack.getInstance().addOperation(new NewsStateOperation(singleNewsSet, state, affectEquivalentNews));


        /* Perform Operation */
        fNewsDao.setState(singleNewsSet, state, affectEquivalentNews, false);
      }
    };

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    /* Only affect equivalent News if not all News are affected */
    boolean affectEquivalentNews = OwlUI.markReadDuplicates() && !equalsRootFolders(folders);


    /* Support Undo */
    if (!news.isEmpty())
      UndoStack.getInstance().addOperation(new NewsStateOperation(news, INews.State.READ, affectEquivalentNews));


    /* Apply the state to the NewsItems for Retention to handle them properly */
    for (INews newsItem : news) {
      newsItem.setState(INews.State.READ);
    }

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        /* Delete News in single Transaction */
        if (!newsToDelete.isEmpty()) {


          /* Support Undo */
          UndoStack.getInstance().addOperation(new NewsStateOperation(newsToDelete, INews.State.HIDDEN, false));


          /* Perform Operation */
          fNewsDAO.setState(newsToDelete, INews.State.HIDDEN, false, false);
        }
      }

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      /* Only consider INews */
      List<INews> newsList = ModelUtils.getEntities(selection, INews.class);


      /* Support Undo */
      UndoStack.getInstance().addOperation(new NewsStateOperation(newsList, INews.State.UNREAD, false));


      /* Perform Operation */
      DynamicDAO.getDAO(INewsDAO.class).setState(newsList, INews.State.UNREAD, false, false);
    }
  }

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Related Classes of org.rssowl.ui.internal.undo.NewsStateOperation

org.rssowl.core.persist.INews

org.rssowl.core.tests.ui.UndoTest

org.rssowl.ui.internal.actions.DeleteTypesAction

org.rssowl.ui.internal.actions.MarkTypesReadAction

org.rssowl.ui.internal.actions.ToggleReadStateAction

org.rssowl.ui.internal.dialogs.SearchNewsDialog

org.rssowl.ui.internal.editors.feed.FeedView

org.rssowl.ui.internal.editors.feed.NewsBrowserViewer

org.rssowl.ui.internal.editors.feed.NewsTableControl

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