コード例 #1
0
    public void actionPerformed(ActionEvent e) {
      JGrid grid = (JGrid) e.getSource();
      SelectionModel sm = grid.getSelectionModel();
      anchorRow = sm.getAnchorRow();
      leadRow = sm.getLeadRow();
      anchorColumn = sm.getAnchorColumn();
      leadColumn = sm.getLeadColumn();

      int oldAnchorRow = anchorRow;
      int oldAnchorColumn = anchorColumn;

      if (grid.isEditing() && !grid.getCurrentCellEditor().stopCellEditing()) {
        return;
      }

      if (!inSelection) {
        moveWithinGridRange(grid, dx, dy, extend);
        if (!extend) {
          grid.changeSelection(anchorRow, anchorColumn, false, extend);
        } else {
          grid.changeSelection(leadRow, leadColumn, false, extend);
        }
      } else {
        if (moveWithinSelectedRange(grid, dx, dy, false)) {
          grid.changeSelection(anchorRow, anchorColumn, true, true);
        } else {
          grid.changeSelection(anchorRow, anchorColumn, false, false);
        }
      }
    }
コード例 #2
0
    private boolean moveWithinSelectedRange(JGrid grid, int dx, int dy, boolean ignoreCarry) {
      SelectionModel sm = grid.getSelectionModel();

      int newAnchorRow = anchorRow + dy;
      int newAnchorColumn = anchorColumn + dx;

      int rowSgn;
      int colSgn;
      int rowCount = selectionSpan(sm, SwingConstants.VERTICAL);
      int columnCount = selectionSpan(sm, SwingConstants.HORIZONTAL);

      boolean canStayInSelection = (rowCount * columnCount > 1);
      if (canStayInSelection) {
        rowSgn = compare(newAnchorRow, sm, SwingConstants.VERTICAL);
        colSgn = compare(newAnchorColumn, sm, SwingConstants.HORIZONTAL);
      } else {
        // If there is only one selected cell, there is no point
        // in trying to stay within the selected area. Move outside
        // the selection, wrapping at the table boundaries.
        rowCount = grid.getRowCount();
        columnCount = grid.getColumnCount();
        rowSgn = compare(newAnchorRow, 0, rowCount);
        colSgn = compare(newAnchorColumn, 0, columnCount);
      }

      anchorRow = newAnchorRow - rowCount * rowSgn;
      anchorColumn = newAnchorColumn - columnCount * colSgn;

      if (!ignoreCarry) {
        return moveWithinSelectedRange(grid, rowSgn, colSgn, true);
      }
      return canStayInSelection;
    }
コード例 #3
0
    public void actionPerformed(ActionEvent e) {
      JGrid grid = (JGrid) e.getSource();
      if (toLimit) {
        if (vertically) {
          int rowCount = grid.getRowCount();
          this.dx = 0;
          this.dy = forwards ? rowCount : -rowCount;
        } else {
          int colCount = grid.getColumnCount();
          this.dx = forwards ? colCount : -colCount;
          this.dy = 0;
        }
      } else {
        if (!(grid.getParent().getParent() instanceof JScrollPane)) {
          return;
        }

        Dimension delta = grid.getParent().getSize();
        SelectionModel sm = grid.getSelectionModel();

        int start = 0;
        if (vertically) {
          start = (extend) ? sm.getLeadRow() : sm.getAnchorRow();
        } else {
          start = (extend) ? sm.getLeadColumn() : sm.getAnchorColumn();
        }

        if (vertically) {
          Rectangle r = grid.getCellBounds(start, 0);
          r.y += forwards ? delta.height : -delta.height;
          this.dx = 0;
          int newRow = grid.rowAtPoint(r.getLocation());
          if (newRow == -1 && forwards) {
            newRow = grid.getRowCount();
          }
          this.dy = newRow - start;
        } else {
          Rectangle r = grid.getCellBounds(0, start);
          r.x += forwards ? delta.width : -delta.width;
          int newColumn = grid.columnAtPoint(r.getLocation());
          if (newColumn == -1 && forwards) {
            newColumn = grid.getColumnCount();
          }
          this.dx = newColumn - start;
          this.dy = 0;
        }
      }
      super.actionPerformed(e);
    }
コード例 #4
0
 public void actionPerformed(ActionEvent e) {
   JGrid grid = (JGrid) e.getSource();
   if (!grid.hasFocus()) {
     CellEditor cellEditor = grid.getCurrentCellEditor();
     if (cellEditor != null && !cellEditor.stopCellEditing()) {
       return;
     }
     grid.requestFocus();
   }
   SelectionModel selectionModel = grid.getSelectionModel();
   int anchorRow = selectionModel.getAnchorRow();
   int anchorColumn = selectionModel.getAnchorColumn();
   grid.editCellAt(anchorRow, anchorColumn, null);
   Component editorComp = grid.getEditorComponent();
   if (editorComp != null) {
     editorComp.requestFocus();
   }
 }