/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.gen2.demo.scrolltable.client.option.data;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.gen2.demo.scrolltable.client.PagingScrollTableDemo;
import com.google.gwt.gen2.demo.scrolltable.client.ScrollTableDemo;
import com.google.gwt.gen2.demo.scrolltable.client.option.AbstractOption;
import com.google.gwt.gen2.demo.scrolltable.client.option.CustomForm;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
/**
* An option.
*/
public class InsertDataRowOption extends AbstractOption {
@Override
protected String getDescription() {
return "Insert a row at a specified index";
}
@Override
protected Widget onInitialize() {
CustomForm form = new CustomForm();
// Row selection
final TextBox rowBox = new TextBox();
rowBox.setText("3");
rowBox.setWidth("50px");
form.addLabeledWidget("Row Index:", rowBox);
// Add button to insert one row
{
Button button = new Button("Insert 1 Row", new ClickHandler() {
public void onClick(ClickEvent event) {
try {
int row = Integer.parseInt(rowBox.getText());
insertDataRows(row, 1);
} catch (NumberFormatException e) {
Window.alert("Please enter valid integers for the row and column.");
} catch (IndexOutOfBoundsException e) {
Window.alert("The row or column index you entered is out of bounds.");
}
}
});
form.addButton(button);
}
// Add button to insert 10 rows
{
Button button = new Button("Insert 10 Rows", new ClickHandler() {
public void onClick(ClickEvent event) {
try {
int row = Integer.parseInt(rowBox.getText());
insertDataRows(row, 10);
} catch (NumberFormatException e) {
Window.alert("Please enter valid integers for the row and column.");
} catch (IndexOutOfBoundsException e) {
Window.alert("The row or column index you entered is out of bounds.");
}
}
});
form.addButton(button);
}
// Add button to insert 100 rows
{
Button button = new Button("Insert 100 Rows", new ClickHandler() {
public void onClick(ClickEvent event) {
try {
int row = Integer.parseInt(rowBox.getText());
insertDataRows(row, 100);
} catch (NumberFormatException e) {
Window.alert("Please enter valid integers for the row and column.");
} catch (IndexOutOfBoundsException e) {
Window.alert("The row or column index you entered is out of bounds.");
}
}
});
form.addButton(button);
}
// Add button to remove a row
{
Button button = new Button("Remove Row", new ClickHandler() {
public void onClick(ClickEvent event) {
try {
int row = Integer.parseInt(rowBox.getText());
ScrollTableDemo.get().getDataTable().removeRow(row);
} catch (NumberFormatException e) {
Window.alert("Please enter valid integers for the row and column.");
} catch (IndexOutOfBoundsException e) {
Window.alert("The row or column index you entered is out of bounds.");
}
}
});
form.addButton(button);
}
return form;
}
/**
* Insert rows at the specified index.
*
* @param beforeRow the row index
* @param numRows the number of rows to insert
*/
private void insertDataRows(int beforeRow, int numRows) {
boolean paging = PagingScrollTableDemo.get() != null;
for (int i = beforeRow; i < beforeRow + numRows; i++) {
if (paging) {
PagingScrollTableDemo.get().insertDataRow(i);
} else {
ScrollTableDemo.get().insertDataRow(i);
}
}
}
}