franta-hg@32: /**
franta-hg@32:  * SQL-DK
franta-hg@32:  * Copyright © 2013 František Kučera (frantovo.cz)
franta-hg@32:  *
franta-hg@32:  * This program is free software: you can redistribute it and/or modify
franta-hg@32:  * it under the terms of the GNU General Public License as published by
franta-hg@32:  * the Free Software Foundation, either version 3 of the License, or
franta-hg@32:  * (at your option) any later version.
franta-hg@32:  *
franta-hg@32:  * This program is distributed in the hope that it will be useful,
franta-hg@32:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
franta-hg@32:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
franta-hg@32:  * GNU General Public License for more details.
franta-hg@32:  *
franta-hg@32:  * You should have received a copy of the GNU General Public License
franta-hg@32:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
franta-hg@32:  */
franta-hg@32: package info.globalcode.sql.dk.formatting;
franta-hg@32: 
franta-hg@34: import info.globalcode.sql.dk.ColorfulPrintWriter;
franta-hg@37: import static info.globalcode.sql.dk.ColorfulPrintWriter.*;
franta-hg@39: import static info.globalcode.sql.dk.Functions.lpad;
franta-hg@39: import static info.globalcode.sql.dk.Functions.rpad;
franta-hg@34: 
franta-hg@32: /**
franta-hg@32:  *
franta-hg@32:  * @author Ing. František Kučera (frantovo.cz)
franta-hg@32:  */
franta-hg@32: public class TabularFormatter extends AbstractFormatter {
franta-hg@32: 
franta-hg@32: 	public static final String NAME = "tabular";
franta-hg@39: 	private static final String HEADER_TYPE_PREFIX = " (";
franta-hg@39: 	private static final String HEADER_TYPE_SUFFIX = ")";
franta-hg@34: 	private ColorfulPrintWriter out;
franta-hg@37: 	private boolean firstResult = true;
franta-hg@39: 	private int[] columnWidth;
franta-hg@32: 
franta-hg@32: 	public TabularFormatter(FormatterContext formatterContext) {
franta-hg@32: 		super(formatterContext);
franta-hg@34: 		out = new ColorfulPrintWriter(formatterContext.getOutputStream());
franta-hg@34: 	}
franta-hg@34: 
franta-hg@34: 	@Override
franta-hg@37: 	public void writeStartResultSet() {
franta-hg@37: 		super.writeStartResultSet();
franta-hg@37: 		printResultSeparator();
franta-hg@37: 	}
franta-hg@37: 
franta-hg@37: 	@Override
franta-hg@37: 	public void writeColumnsHeader(ColumnsHeader header) {
franta-hg@37: 		super.writeColumnsHeader(header);
franta-hg@37: 
franta-hg@39: 		columnWidth = new int[header.getColumnCount()];
franta-hg@39: 
franta-hg@37: 		for (ColumnDescriptor cd : header.getColumnDescriptors()) {
franta-hg@37: 			out.print(TerminalStyle.Bright, cd.getLabel());
franta-hg@39: 			out.print(HEADER_TYPE_PREFIX);
franta-hg@37: 			out.print(cd.getTypeName());
franta-hg@39: 			out.print(HEADER_TYPE_SUFFIX);
franta-hg@37: 			if (!cd.isLastColumn()) {
franta-hg@37: 				out.print(TerminalColor.Green, " | ");
franta-hg@37: 			}
franta-hg@39: 
franta-hg@39: 			setColumnWidth(cd.getColumnNumber(), cd.getLabel().length() + cd.getTypeName().length() + HEADER_TYPE_PREFIX.length() + HEADER_TYPE_SUFFIX.length());
franta-hg@37: 		}
franta-hg@37: 		out.println();
franta-hg@37: 		out.flush();
franta-hg@37: 	}
franta-hg@37: 
franta-hg@37: 	@Override
franta-hg@34: 	public void writeColumnValue(Object value) {
franta-hg@34: 		super.writeColumnValue(value);
franta-hg@34: 
franta-hg@34: 		if (!isCurrentColumnFirst()) {
franta-hg@37: 			out.print(TerminalColor.Green, " | ");
franta-hg@34: 		}
franta-hg@37: 
franta-hg@39: 		out.print(TerminalColor.Cyan, toString(value));
franta-hg@39: 	}
franta-hg@39: 
franta-hg@39: 	private int getColumnWidth(int columnNumber) {
franta-hg@39: 		return columnWidth[columnNumber - 1];
franta-hg@39: 	}
franta-hg@39: 
franta-hg@39: 	private void setColumnWidth(int columnNumber, int width) {
franta-hg@39: 		columnWidth[columnNumber - 1] = width;
franta-hg@39: 	}
franta-hg@39: 
franta-hg@39: 	private void updateColumnWidth(int columnNumber, int width) {
franta-hg@39: 		int oldWidth = getColumnWidth(columnNumber);
franta-hg@39: 		setColumnWidth(columnNumber, Math.max(width, oldWidth));
franta-hg@39: 
franta-hg@39: 	}
franta-hg@39: 
franta-hg@39: 	@Override
franta-hg@39: 	protected String toString(Object value) {
franta-hg@39: 		final int width = getColumnWidth(getCurrentColumnsCount());
franta-hg@39: 		if (value instanceof Number) {
franta-hg@39: 			return lpad(super.toString(value), width);
franta-hg@39: 		} else {
franta-hg@39: 			return rpad(super.toString(value), width);
franta-hg@39: 		}
franta-hg@34: 	}
franta-hg@34: 
franta-hg@34: 	@Override
franta-hg@34: 	public void writeEndRow() {
franta-hg@34: 		super.writeEndRow();
franta-hg@34: 		out.println();
franta-hg@34: 		out.flush();
franta-hg@32: 	}
franta-hg@37: 
franta-hg@37: 	@Override
franta-hg@37: 	public void writeEndResultSet() {
franta-hg@37: 		super.writeEndResultSet();
franta-hg@37: 		out.print(TerminalColor.Yellow, "Record count: ");
franta-hg@37: 		out.println(getCurrentRowCount());
franta-hg@37: 		out.flush();
franta-hg@37: 	}
franta-hg@37: 
franta-hg@37: 	@Override
franta-hg@37: 	public void writeStartUpdatesResult() {
franta-hg@37: 		super.writeStartUpdatesResult();
franta-hg@37: 		printResultSeparator();
franta-hg@37: 	}
franta-hg@37: 
franta-hg@37: 	@Override
franta-hg@37: 	public void writeUpdatedRowsCount(int updatedRowsCount) {
franta-hg@37: 		super.writeUpdatedRowsCount(updatedRowsCount);
franta-hg@37: 		out.print(TerminalColor.Red, "Updated records: ");
franta-hg@37: 		out.println(updatedRowsCount);
franta-hg@37: 		out.flush();
franta-hg@37: 	}
franta-hg@37: 
franta-hg@37: 	@Override
franta-hg@37: 	public void writeEndDatabase() {
franta-hg@37: 		super.writeEndDatabase();
franta-hg@37: 		out.flush();
franta-hg@37: 	}
franta-hg@37: 
franta-hg@37: 	private void printResultSeparator() {
franta-hg@37: 		if (firstResult) {
franta-hg@37: 			firstResult = false;
franta-hg@37: 		} else {
franta-hg@37: 			out.println();
franta-hg@37: 		}
franta-hg@37: 	}
franta-hg@32: }