Beispiel #1
0
  public static void packColumns(Table table, boolean fit) {
    table.setRedraw(false);
    try {
      int totalWidth = 0;
      final TableColumn[] columns = table.getColumns();
      for (TableColumn column : columns) {
        column.pack();
        totalWidth += column.getWidth();
      }
      final Rectangle clientArea = table.getClientArea();
      if (clientArea.width > 0 && totalWidth > clientArea.width) {
        for (TableColumn column : columns) {
          int colWidth = column.getWidth();
          if (colWidth > totalWidth / 3) {
            // If some columns is too big (more than 33% of total width)
            // Then shrink it to 30%
            column.setWidth(totalWidth / 3);
            totalWidth -= colWidth;
            totalWidth += column.getWidth();
          }
        }
        int extraSpace = totalWidth - clientArea.width;

        for (TableColumn tc : columns) {
          double ratio = (double) tc.getWidth() / totalWidth;
          int newWidth = (int) (tc.getWidth() - extraSpace * ratio);
          tc.setWidth(newWidth);
        }
      }
      if (fit && totalWidth < clientArea.width) {
        int sbWidth = 0;
        if (table.getVerticalBar() != null) {
          sbWidth = table.getVerticalBar().getSize().x;
        }
        if (columns.length > 0) {
          float extraSpace = (clientArea.width - totalWidth - sbWidth) / columns.length;
          for (TableColumn tc : columns) {
            tc.setWidth((int) (tc.getWidth() + extraSpace));
          }
        }
      }
    } finally {
      table.setRedraw(true);
    }
  }
Beispiel #2
0
 public static void maxTableColumnsWidth(Table table) {
   table.setRedraw(false);
   try {
     int columnCount = table.getColumnCount();
     if (columnCount > 0) {
       int totalWidth = 0;
       final TableColumn[] columns = table.getColumns();
       for (TableColumn tc : columns) {
         tc.pack();
         totalWidth += tc.getWidth();
       }
       final Rectangle clientArea = table.getClientArea();
       if (totalWidth < clientArea.width) {
         int extraSpace = clientArea.width - totalWidth;
         extraSpace /= columnCount;
         for (TableColumn tc : columns) {
           tc.setWidth(tc.getWidth() + extraSpace);
         }
       }
     }
   } finally {
     table.setRedraw(true);
   }
 }
  @Override
  public void createPartControl(Composite parent) {
    final IActionBars actionBars = getViewSite().getActionBars();
    IToolBarManager toolbar = actionBars.getToolBarManager();
    mSymbolEntryText = new TextContributionItem(""); // $NON-NLS-1$
    toolbar.add(mSymbolEntryText);
    toolbar.add(new AddSymbolAction(mSymbolEntryText, this));

    final Table table =
        new Table(parent, SWT.MULTI | SWT.FULL_SELECTION | SWT.V_SCROLL | SWT.BORDER);
    table.setHeaderVisible(true);
    mViewer = new TableViewer(table);
    GridDataFactory.defaultsFor(table).applyTo(table);

    final MarketDataItemComparator comparator = new MarketDataItemComparator();
    mViewer.setComparator(comparator);

    SelectionListener listener =
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            // determine new sort column and direction
            TableColumn sortColumn = table.getSortColumn();
            TableColumn currentColumn = (TableColumn) e.widget;
            final int index = table.indexOf(currentColumn);
            int dir = table.getSortDirection();
            if (sortColumn == currentColumn) {
              dir = dir == SWT.UP ? SWT.DOWN : SWT.UP;
            } else {
              table.setSortColumn(currentColumn);
              dir = SWT.UP;
            }
            table.setSortDirection(dir);
            comparator.setSort(dir == SWT.UP ? 1 : -1);
            comparator.setIndex(index);
            mViewer.refresh();
          }
        };

    // create columns, using FIXFieldLocalizer to preserve backwards
    // compatibility
    TableViewerColumn symbolColumn =
        new TableViewerColumn(
            mViewer,
            createColumn(
                table,
                FIXFieldLocalizer.getLocalizedFIXFieldName(Symbol.class.getSimpleName()),
                SWT.LEFT,
                listener));
    symbolColumn.setEditingSupport(new SymbolEditingSupport());
    createColumn(
        table,
        FIXFieldLocalizer.getLocalizedFIXFieldName(LastPx.class.getSimpleName()),
        SWT.RIGHT,
        listener);
    createColumn(
        table,
        FIXFieldLocalizer.getLocalizedFIXFieldName(LastQty.class.getSimpleName()),
        SWT.RIGHT,
        listener);
    createColumn(
        table,
        FIXFieldLocalizer.getLocalizedFIXFieldName(BidSize.class.getSimpleName()),
        SWT.RIGHT,
        listener);
    createColumn(
        table,
        FIXFieldLocalizer.getLocalizedFIXFieldName(BidPx.class.getSimpleName()),
        SWT.RIGHT,
        listener);
    createColumn(
        table,
        FIXFieldLocalizer.getLocalizedFIXFieldName(OfferPx.class.getSimpleName()),
        SWT.RIGHT,
        listener);
    createColumn(
        table,
        FIXFieldLocalizer.getLocalizedFIXFieldName(OfferSize.class.getSimpleName()),
        SWT.RIGHT,
        listener);

    // restore table state if it exists
    if (mViewState != null) {
      ColumnState.restore(table, mViewState);
      for (TableColumn column : table.getColumns()) {
        if (column.getWidth() == 0) {
          column.setResizable(false);
        }
      }
    }

    registerContextMenu();
    getSite().setSelectionProvider(mViewer);

    ObservableListContentProvider content = new ObservableListContentProvider();
    mViewer.setContentProvider(content);
    IObservableSet domain = content.getKnownElements();
    IObservableMap[] maps =
        new IObservableMap[] {
          BeansObservables.observeMap(domain, MarketDataViewItem.class, "symbol"), // $NON-NLS-1$
          createCompositeMap(
              domain, "latestTick", MDPackage.Literals.MD_LATEST_TICK__PRICE), // $NON-NLS-1$
          createCompositeMap(
              domain, "latestTick", MDPackage.Literals.MD_LATEST_TICK__SIZE), // $NON-NLS-1$
          createCompositeMap(
              domain, "topOfBook", MDPackage.Literals.MD_TOP_OF_BOOK__BID_SIZE), // $NON-NLS-1$
          createCompositeMap(
              domain, "topOfBook", MDPackage.Literals.MD_TOP_OF_BOOK__BID_PRICE), // $NON-NLS-1$
          createCompositeMap(
              domain, "topOfBook", MDPackage.Literals.MD_TOP_OF_BOOK__ASK_PRICE), // $NON-NLS-1$
          createCompositeMap(
              domain, "topOfBook", MDPackage.Literals.MD_TOP_OF_BOOK__ASK_SIZE) // $NON-NLS-1$
        };
    mViewer.setLabelProvider(new ObservableMapLabelProvider(maps));
    mViewer.setUseHashlookup(true);
    mItems = WritableList.withElementType(MarketDataViewItem.class);
    mViewer.setInput(mItems);
  }