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package com.vaadin.tests.widgetset.client.grid;
import java.util.ArrayList;
import java.util.List;
import com.google.gwt.user.client.ui.Composite;
import com.vaadin.client.ui.grid.Cell;
import com.vaadin.client.ui.grid.ColumnConfiguration;
import com.vaadin.client.ui.grid.Escalator;
import com.vaadin.client.ui.grid.EscalatorUpdater;
import com.vaadin.client.ui.grid.Row;
import com.vaadin.client.ui.grid.RowContainer;
import com.vaadin.shared.ui.grid.ScrollDestination;
public class VTestGrid extends Composite {
private static class Data {
private int columnCounter = 0;
private int rowCounter = 0;
private final List<Integer> columns = new ArrayList<Integer>();
private final List<Integer> rows = new ArrayList<Integer>();
@SuppressWarnings("boxing")
public void insertRows(final int offset, final int amount) {
final List<Integer> newRows = new ArrayList<Integer>();
for (int i = 0; i < amount; i++) {
newRows.add(rowCounter++);
}
rows.addAll(offset, newRows);
}
@SuppressWarnings("boxing")
public void insertColumns(final int offset, final int amount) {
final List<Integer> newColumns = new ArrayList<Integer>();
for (int i = 0; i < amount; i++) {
newColumns.add(columnCounter++);
}
columns.addAll(offset, newColumns);
}
public EscalatorUpdater createHeaderUpdater() {
return new EscalatorUpdater() {
@Override
public void updateCells(final Row row,
final Iterable<Cell> cellsToUpdate) {
for (final Cell cell : cellsToUpdate) {
if (cell.getColumn() % 3 == 0) {
cell.setColSpan(2);
}
final Integer columnName = columns
.get(cell.getColumn());
cell.getElement().setInnerText("Header " + columnName);
}
}
};
}
public EscalatorUpdater createFooterUpdater() {
return new EscalatorUpdater() {
@Override
public void updateCells(final Row row,
final Iterable<Cell> cellsToUpdate) {
for (final Cell cell : cellsToUpdate) {
if (cell.getColumn() % 3 == 1) {
cell.setColSpan(2);
}
final Integer columnName = columns
.get(cell.getColumn());
cell.getElement().setInnerText("Footer " + columnName);
}
}
};
}
public EscalatorUpdater createBodyUpdater() {
return new EscalatorUpdater() {
private int i = 0;
public void renderCell(final Cell cell) {
final Integer columnName = columns.get(cell.getColumn());
final Integer rowName = rows.get(cell.getRow());
final String cellInfo = columnName + "," + rowName + " ("
+ i + ")";
if (cell.getColumn() > 0) {
cell.getElement().setInnerText("Cell: " + cellInfo);
} else {
cell.getElement().setInnerText(
"Row " + cell.getRow() + ": " + cellInfo);
}
if (cell.getColumn() % 3 == cell.getRow() % 3) {
cell.setColSpan(3);
}
final double c = i * .1;
final int r = (int) ((Math.cos(c) + 1) * 128);
final int g = (int) ((Math.cos(c / Math.PI) + 1) * 128);
final int b = (int) ((Math.cos(c / (Math.PI * 2)) + 1) * 128);
cell.getElement()
.getStyle()
.setBackgroundColor(
"rgb(" + r + "," + g + "," + b + ")");
if ((r * .8 + g * 1.3 + b * .9) / 3 < 127) {
cell.getElement().getStyle().setColor("white");
} else {
cell.getElement().getStyle().clearColor();
}
i++;
}
@Override
public void updateCells(final Row row,
final Iterable<Cell> cellsToUpdate) {
for (final Cell cell : cellsToUpdate) {
renderCell(cell);
}
}
};
}
public void removeRows(final int offset, final int amount) {
for (int i = 0; i < amount; i++) {
rows.remove(offset);
}
}
public void removeColumns(final int offset, final int amount) {
for (int i = 0; i < amount; i++) {
columns.remove(offset);
}
}
}
private final Escalator escalator = new Escalator();
private final Data data = new Data();
public VTestGrid() {
initWidget(escalator);
final RowContainer header = escalator.getHeader();
header.setEscalatorUpdater(data.createHeaderUpdater());
header.insertRows(0, 1);
final RowContainer footer = escalator.getFooter();
footer.setEscalatorUpdater(data.createFooterUpdater());
footer.insertRows(0, 1);
escalator.getBody().setEscalatorUpdater(data.createBodyUpdater());
insertRows(0, 100);
insertColumns(0, 10);
setWidth(TestGridState.DEFAULT_WIDTH);
setHeight(TestGridState.DEFAULT_HEIGHT);
}
public void insertRows(final int offset, final int number) {
data.insertRows(offset, number);
escalator.getBody().insertRows(offset, number);
}
public void insertColumns(final int offset, final int number) {
data.insertColumns(offset, number);
escalator.getColumnConfiguration().insertColumns(offset, number);
}
public ColumnConfiguration getColumnConfiguration() {
return escalator.getColumnConfiguration();
}
public void scrollToRow(final int index,
final ScrollDestination destination, final int padding) {
escalator.scrollToRow(index, destination, padding);
}
public void scrollToColumn(final int index,
final ScrollDestination destination, final int padding) {
escalator.scrollToColumn(index, destination, padding);
}
public void removeRows(final int offset, final int amount) {
data.removeRows(offset, amount);
escalator.getBody().removeRows(offset, amount);
}
public void removeColumns(final int offset, final int amount) {
data.removeColumns(offset, amount);
escalator.getColumnConfiguration().removeColumns(offset, amount);
}
@Override
public void setWidth(String width) {
escalator.setWidth(width);
}
@Override
public void setHeight(String height) {
escalator.setHeight(height);
}
public RowContainer getHeader() {
return escalator.getHeader();
}
public RowContainer getBody() {
return escalator.getBody();
}
public RowContainer getFooter() {
return escalator.getFooter();
}
public void calculateColumnWidths() {
escalator.calculateColumnWidths();
}
}
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