コード例 #1
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 #2
0
 protected void paintEditor(Graphics g) {
   Component component = grid.getEditorComponent();
   if (component == null) {
     return;
   }
   Rectangle cellBounds = grid.getCellBounds(grid.getEditingRow(), grid.getEditingColumn());
   component.setBounds(cellBounds);
   component.validate();
   component.requestFocus();
 }
コード例 #3
0
  public Dimension getMaximumSize(JComponent c) {
    int lastRow = grid.getRowCount() - 1;
    int lastCol = grid.getColumnCount() - 1;

    Rectangle cellBounds = grid.getCellBounds(lastRow, lastCol);
    int width = cellBounds.x + cellBounds.width;
    int height = cellBounds.y + cellBounds.height;

    return new Dimension(width, height);
  }
コード例 #4
0
 protected void paintCells(Graphics g, int rowMin, int rowMax, int colMin, int colMax) {
   for (int row = rowMin; row <= rowMax; row++) {
     for (int column = colMin; column <= colMax; column++) {
       /* Paint cell if it is atomic */
       if (!grid.isCellSpan(row, column)) {
         Rectangle cellBounds = grid.getCellBounds(row, column);
         paintCell(g, cellBounds, row, column);
       }
     }
   }
 }
コード例 #5
0
 /*
  * Borders are handled by the UI since they are shared between cells
  * and therefore must overlay after the painting of the cells
  */
 private void paintBorders(Graphics g, int rowMin, int rowMax, int colMin, int colMax) {
   // Include borders from adjacent rows/columns of the clip region
   rowMin = Math.max(0, rowMin - 1);
   rowMax = Math.min(grid.getRowCount() - 1, rowMax + 1);
   colMin = Math.max(0, colMin - 1);
   colMax = Math.min(grid.getColumnCount() - 1, colMax + 1);
   for (int row = rowMin; row <= rowMax; row++) {
     for (int column = colMin; column <= colMax; column++) {
       Rectangle cellRect = grid.getCellBounds(row, column);
       paintBorder(g, cellRect, row, column);
     }
   }
 }
コード例 #6
0
  /** special paint handler for merged cell regions */
  protected void paintSpans(Graphics g, int rowMin, int rowMax, int colMin, int colMax) {
    Rectangle clip = g.getClipBounds();
    Iterator cell = grid.getSpanModel().getSpanIterator();
    while (cell.hasNext()) {
      CellSpan span = (CellSpan) cell.next();
      Rectangle cellBounds = grid.getCellBounds(span.getRow(), span.getColumn());

      // Only paint cell if visible
      if (span.getLastRow() >= rowMin
          && span.getLastColumn() >= colMin
          && span.getFirstRow() <= rowMax
          && span.getFirstColumn() <= colMax) {
        paintCell(g, cellBounds, span.getRow(), span.getColumn());
        // Paint grid line around cell
        if (grid.getShowGrid()) {
          g.setColor(grid.getGridColor());
          g.drawRect(cellBounds.x, cellBounds.y, cellBounds.width, cellBounds.height);
        }
      }
    }
  }