catalogpanel.java

一个用java写的地震分析软件(无源码)

	    jbWheres.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent evt) {
		    int rowid = catalogTable.getRowHeader().getSelectedRow();
		    if (rowid >= 0) {
		        rowid = catalogTable.getSortedRowModelIndex(rowid);
                        CatalogTableModel ctm = catalogTable.getModel();
			double lat = ((DataObject) ctm.getValueAt(rowid, ctm.findColumn("LAT"))).doubleValue();
			double lon = ((DataObject) ctm.getValueAt(rowid, ctm.findColumn("LON"))).doubleValue();
			long id =    ((DataObject) ctm.getValueAt(rowid, ctm.findColumn("ID"))).longValue();

//			String whereString = Wheres.where(lat, lon);
//			String whereString = WheresFrom.where(lat, lon);
                        Connection conn = solutionList.getConnection();
                        if (conn != null) {
						    /****
							 *  DK 11/05/2002
							 *  Can't get a hook to the Jiggle configfile down in here(CatalogPanel)
							 *  so we will call CreateWhereIsEngine() with no arguments, and hope
							 *  that someone else has already called CreateWhereIsEngine and a
							 *  default WhereIsEngine has been named
							 ****/
                            if (whereFrom == null) whereFrom = WhereIsEngine.CreateWhereIsEngine();
			    String whereString = whereFrom.where(lat, lon);
			    logTextnl("Where id: " + id + "\n" + whereString);
			    JOptionPane.showMessageDialog(CatalogPanel.this,
				 whereString, "Where", JOptionPane.PLAIN_MESSAGE);
                        }
		    }
		}
	    });
	    jbWheres.setToolTipText("Report closest to selected row in table.");
	    jbWheres.setEnabled(false);
	    jbWheres.setMargin(new Insets(2,2,2,2));

	    buttonPanel = new JPanel();
	    FlowLayout flowLayout = (FlowLayout) buttonPanel.getLayout();
	    flowLayout.setAlignment(FlowLayout.CENTER);
	    flowLayout.setHgap(0);
	    buttonPanel.add(jbInsert);
	    buttonPanel.add(jbCommit);
	    buttonPanel.add(jbDelete);
	    buttonPanel.add(jbFile);
	    buttonPanel.add(jbWheres);
	    TablePanel.this.add(buttonPanel, BorderLayout.NORTH);
//	    Debug.println("jpModify prefSize: " + jpModify.getPreferredSize().toString());

	    if (CatalogPanel.this.hasUpdateDisabled()) hideModifyButtons();
	    disableModifyButtons();
	    jbFile.setEnabled(false);
	    jbWheres.setEnabled(false);
//	    jbFile.setVisible(false);

	}

	private void enableModifyButtons() {
	    if (isNotModifiable()) return;
	    jbInsert.setEnabled(true);
	    jbDelete.setEnabled(true);
	    jbCommit.setEnabled(true);
	}

	private void disableModifyButtons() {
	    jbInsert.setEnabled(false);
	    jbDelete.setEnabled(false);
	    jbCommit.setEnabled(false);
	}

	private void showModifyButtons() {
	    jbInsert.setVisible(true);
	    jbDelete.setVisible(true);
	    jbCommit.setVisible(true);
	}

	private void hideModifyButtons() {
	    jbInsert.setVisible(false);
	    jbDelete.setVisible(false);
	    jbCommit.setVisible(false);
	}

	private void createTable() {
	    spane = catalogTable.createTable();
//	    spane.setToolTipText("Table results.");
//	    spane.setForeground(Color.black);
//	    spane.setBackground(Color.lightGray);
	}

	private boolean hasInvalidTable() {
	    return ! this.hasValidTable();
	}

	private boolean hasValidTable() {
	    if (catalogTable.getTable() == null || hasNullSolutionList()) {
//		logTextnl("No rows in Catalog table - execute new request.");
//		InfoDialog.informUser(CatalogPanel.this, "ERROR", "No rows in table - execute new request.", statusLabel);
		return false;
	    }
	    else return true;
	}

	private boolean insertRow() {
	    tableRowHeadSelectionFlag = catalogTable.getRowHeader().getCellSelectionEnabled();
	    catalogTable.getRowHeader().setCellSelectionEnabled(true);

	    Solution sol = Solution.create();
//	    sol.id.setValue(SeqIds.getNextSeq(solutionList.getConnection(), "EVSEQ"));
        sol.id.setValue(sol.getNextID());

	    int rowid = catalogTable.getRowHeader().getSelectedRow();
            int modelRowId = 0;
	    if (rowid < 0) {
                rowid = catalogTable.getModel().getList().size();
                modelRowId = rowid;
            }
            else {
                modelRowId = catalogTable.getSortedRowModelIndex(rowid);
            }

	    boolean retVal = catalogTable.getModel().insertRow(modelRowId, sol);
	    if (retVal == true) {
		logTextnl("Inserted row at index: " + rowid + " into table.");
		catalogTable.getRowHeader().setCellSelectionEnabled(tableRowHeadSelectionFlag);
	    }
	    else logTextnl("Unable to insert row at index: " + rowid + " into table.");

	    catalogTable.getRowHeader().setRowSelectionInterval(rowid,rowid);
	    resetSelectedRowColumnSizes();

	    return retVal;
	}

	private void resetSelectedRowColumnSizes() {
	    int rowid = catalogTable.getRowHeader().getSelectedRow();
	    catalogTable.resetRowColumnSizes(catalogTable.getRowHeader(), rowid);
	    catalogTable.resetRowHeader(catalogTable.getRowHeader(), TablePanel.this.spane);
	    spane.revalidate();
	}

	protected int updateDB() {
	    if (hasInvalidTable()) {
		InfoDialog.informUser(CatalogPanel.this, "ERROR", "Unable to update DB; no table to update.", statusLabel);
		return -1;
	    }
	    if (isNotModifiable()) {
		InfoDialog.informUser(CatalogPanel.this, "ERROR", "Unable to update DB; table not write back enabled.", statusLabel);
		return -1;
	    }
/* Is not thread safe with multiple table panels and a static data source.
	    if (dataSource != null) {
		Connection priorConnect = DataSource.getConnection();
		boolean priorUpdatable = DataSource.isWriteBackEnabled();
		dataSource = new DataSource(solutionList.getConnection(), updateDB);
	    }
*/
	    int nrow = catalogTable.updateDB();
//	    dataSource = new DataSource(priorConnect, priorUpdatable);

	    if (nrow < 0) {
		InfoDialog.informUser(CatalogPanel.this, "ERROR", "Unable to update DB; re-edit table and retry.", statusLabel);
		return -1;
	    }
	    else {
		logTextnl("Updated " + nrow + " rows in catalog.");
	    }
	    unsetTableModified();
	    return nrow;
	}

	private boolean rejectAction(String action) {
	    return (JOptionPane.showConfirmDialog(CatalogPanel.this, action, "Confirm", JOptionPane.YES_NO_OPTION,
			JOptionPane.QUESTION_MESSAGE) != JOptionPane.YES_OPTION);
	}

	private boolean deleteRow() {
	    int rowid = catalogTable.getRowHeader().getSelectedRow();
	    if (rowid < 0) {
//		logTextnl("No selected row in table - make a selection and retry delete.");
		InfoDialog.informUser(CatalogPanel.this, "ERROR", "No selected row in table - make a selection and retry delete.", statusLabel);
		return false;
	    }

	    if (rejectAction("Delete")) return false;

	    boolean retVal = catalogTable.getModel().deleteRow(catalogTable.getSortedRowModelIndex(rowid));
	    if (retVal == true) logTextnl("Deleted row at index: " + rowid + " from table.");
	    else logTextnl("Unable to delete row at index: " + rowid + " from table.");

	    catalogTable.getTable().clearSelection();
	    catalogTable.getRowHeader().clearSelection();

	// Is this next line necessary only if insertRow toggles flag?
	    catalogTable.getRowHeader().setCellSelectionEnabled(tableRowHeadSelectionFlag);

	    return retVal;
	}

// TablePanel event listener inner classes
	private class UpdateTablePanel implements Runnable {
	    public void run() {
		tableTimer.stop();
		if (nrows > 0) remove(waitRequestLabel);
		else {
		    waitRequestLabel.setText("Table results displayed here");
		    waitRequestLabel.setIcon(null);
		}
		setCursor(defaultCursor);

		if (nrows > 0) {
//                  Debug.println("DEBUG: hasModifiedTable(): " + hasModifiedTable());
		    statusLabel.setText("Table has " + nrows + " rows");
		    TablePanel.this.add(spane, BorderLayout.CENTER);
		    enableModifyButtons();
		    jbFile.setEnabled(true);
		    jbFile.setVisible(true);
		    jbWheres.setEnabled(true);
		    jbWheres.setVisible(true);
	    	    showModifyButtons();
		}
		else if (nrows < 0) {
		    InfoDialog.informUser(CatalogPanel.this, "ERROR",
			    "Table creation failed; check input.", statusLabel);
		}
		else if (nrows == 0) {
		    InfoDialog.informUser(CatalogPanel.this, "INFO",
			    "No table rows satisfy input properties", statusLabel);
		}

		// make sure selected sol is selected in JTable
		final int selRow = CatalogPanel.this.solutionList.getSelectedIndex();
		if (selRow >= 0) {
		    final JTable table = CatalogPanel.this.tablePanel.catalogTable.getTable();
		    /// scroll selected to visible
		    SwingUtilities.invokeLater(
		      new Runnable() {
			public void run() {
			 table.setRowSelectionInterval(selRow, selRow);
			 table.scrollRectToVisible(table.getCellRect(selRow, 0, true));
		       }
		      } );
		}

		CatalogPanel.this.tablePanel.revalidate();
		tableThread = null;
		interruptRequestFlag = false;
	      }
	}

        private class ModifyTableRowsActionListener implements ActionListener {
            public void actionPerformed(ActionEvent evt) {
		statusLabel.setText(" ");
		String cmd = evt.getActionCommand();
//		Object src = evt.getSource();
		if (hasInvalidTable()) return;
		if (cmd.equals("Insert")) {
		    insertRow();
		}
		else if (cmd.equals("Commit")) {
		    commit();
		}
		else if (cmd.equals("Delete")) {
		    deleteRow();
		}
	    }
        }

        private class SaveTableActionListener implements ActionListener {
	    public void actionPerformed(ActionEvent evt) {
		statusLabel.setText(" ");
		if (catalogTable.getModel().getRowCount() > 0 ) {
		  SaveCatalogTableToASCII saveToTextFile = new SaveCatalogTableToASCII();
		  saveToTextFile.save (catalogTable, (Frame) getTopLevelAncestor());
		}
		else {
//		  logTextnl("No rows in table - execute new request.");
		  InfoDialog.informUser(CatalogPanel.this, "ERROR", "No rows in table - execute new request.", statusLabel);
		}
	    }
        }

	private class tableTimerActionListener implements ActionListener {
	    public void actionPerformed(ActionEvent evt) {
		waitRequestLabel.setText("table rendering wait...");
		waitRequestLabel.setIcon(imageFlag ? LIGHT_BULB : DARK_BULB);
		imageFlag = ! imageFlag;
		waitRequestLabel.repaint();
	    }
	}
    } // end of TablePanel class
} // end of CatalogPanel class