Java tutorial
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See the License for the specific language governing permissions and limitations under the License. ==================================================================== */ package org.apache.poi.hssf.record; import org.apache.poi.hssf.util.CellRangeAddress8Bit; import org.apache.poi.util.HexDump; import org.apache.poi.util.LittleEndianOutput; /** * Title: Selection Record (0x001D)<P> * Description: shows the user's selection on the sheet * for write set num refs to 0<P> * * REFERENCE: PG 291 Microsoft Excel 97 Developer's Kit (ISBN: 1-57231-498-2) */ public final class SelectionRecord extends StandardRecord { public final static short sid = 0x001D; private byte field_1_pane; private int field_2_row_active_cell; private int field_3_col_active_cell; private int field_4_active_cell_ref_index; private CellRangeAddress8Bit[] field_6_refs; /** * Creates a default selection record (cell A1, in pane ID 3) * * @param activeCellRow the active cells row index * @param activeCellCol the active cells column index */ public SelectionRecord(int activeCellRow, int activeCellCol) { field_1_pane = 3; // pane id 3 is always present. see OOO sec 5.75 'PANE' field_2_row_active_cell = activeCellRow; field_3_col_active_cell = activeCellCol; field_4_active_cell_ref_index = 0; field_6_refs = new CellRangeAddress8Bit[] { new CellRangeAddress8Bit(activeCellRow, activeCellRow, activeCellCol, activeCellCol), }; } public SelectionRecord(RecordInputStream in) { field_1_pane = in.readByte(); field_2_row_active_cell = in.readUShort(); field_3_col_active_cell = in.readShort(); field_4_active_cell_ref_index = in.readShort(); int field_5_num_refs = in.readUShort(); field_6_refs = new CellRangeAddress8Bit[field_5_num_refs]; for (int i = 0; i < field_6_refs.length; i++) { field_6_refs[i] = new CellRangeAddress8Bit(in); } } /** * set which window pane this is for * @param pane the window pane */ public void setPane(byte pane) { field_1_pane = pane; } /** * set the active cell's row * @param row number of active cell */ public void setActiveCellRow(int row) { field_2_row_active_cell = row; resetField6(); } /** * set the active cell's col * @param col number of active cell */ public void setActiveCellCol(short col) { field_3_col_active_cell = col; resetField6(); } private void resetField6() { // this is necessary in Excel to actually make Workbook.setActiveCell() take effect field_6_refs = new CellRangeAddress8Bit[] { new CellRangeAddress8Bit(field_2_row_active_cell, field_2_row_active_cell, field_3_col_active_cell, field_3_col_active_cell), }; } /** * set the active cell's reference number * @param ref number of active cell */ public void setActiveCellRef(short ref) { field_4_active_cell_ref_index = ref; } /** * @return the pane ID which window pane this is for */ public byte getPane() { return field_1_pane; } /** * get the active cell's row * @return row number of active cell */ public int getActiveCellRow() { return field_2_row_active_cell; } /** * get the active cell's col * @return col number of active cell */ public int getActiveCellCol() { return field_3_col_active_cell; } /** * get the active cell's reference number * @return ref number of active cell */ public int getActiveCellRef() { return field_4_active_cell_ref_index; } @Override public String toString() { return "[SELECTION]\n" + " .pane = " + HexDump.byteToHex(getPane()) + "\n" + " .activecellrow = " + HexDump.shortToHex(getActiveCellRow()) + "\n" + " .activecellcol = " + HexDump.shortToHex(getActiveCellCol()) + "\n" + " .activecellref = " + HexDump.shortToHex(getActiveCellRef()) + "\n" + " .numrefs = " + HexDump.shortToHex(field_6_refs.length) + "\n" + "[/SELECTION]\n"; } @Override protected int getDataSize() { return 9 // 1 byte + 4 shorts + CellRangeAddress8Bit.getEncodedSize(field_6_refs.length); } @Override public void serialize(LittleEndianOutput out) { out.writeByte(getPane()); out.writeShort(getActiveCellRow()); out.writeShort(getActiveCellCol()); out.writeShort(getActiveCellRef()); int nRefs = field_6_refs.length; out.writeShort(nRefs); for (CellRangeAddress8Bit field_6_ref : field_6_refs) { field_6_ref.serialize(out); } } @Override public short getSid() { return sid; } @Override public Object clone() { SelectionRecord rec = new SelectionRecord(field_2_row_active_cell, field_3_col_active_cell); rec.field_1_pane = field_1_pane; rec.field_4_active_cell_ref_index = field_4_active_cell_ref_index; rec.field_6_refs = field_6_refs; return rec; } }