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/*
* Copyright 2000-2014 Vaadin Ltd.
*
* 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.vaadin.tests.components.grid;
import java.util.EnumSet;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUI;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Grid;
import com.vaadin.ui.Grid.SelectionMode;
import com.vaadin.ui.NativeSelect;
import com.vaadin.ui.VerticalLayout;
public class GridColumnWidthsWithoutData extends AbstractTestUI {
private SelectionMode selectionMode = SelectionMode.NONE;
private Grid grid = createGrid(true);
@Override
protected void setup(VaadinRequest request) {
addComponent(grid);
NativeSelect selectionModeSelector = new NativeSelect("Selection mode",
EnumSet.allOf(SelectionMode.class));
selectionModeSelector.setValue(selectionMode);
selectionModeSelector.setNullSelectionAllowed(false);
selectionModeSelector.addValueChangeListener(new ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
selectionMode = (SelectionMode) event.getProperty().getValue();
grid.setSelectionMode(selectionMode);
}
});
addComponent(selectionModeSelector);
addComponent(new Button("Recreate without data",
new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
replaceGrid(createGrid(false));
}
}));
addComponent(new Button("Recreate with data",
new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
replaceGrid(createGrid(true));
}
}));
addComponent(new Button("Add data", new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
addDataToGrid(grid);
}
}));
addComponent(new Button("Remove data", new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
grid.getContainerDataSource().removeAllItems();
}
}));
}
private void replaceGrid(Grid newGrid) {
((VerticalLayout) grid.getParent()).replaceComponent(grid, newGrid);
grid = newGrid;
}
private Grid createGrid(boolean withData) {
Grid grid = new Grid();
grid.addColumn("foo");
grid.addColumn("bar");
grid.setWidth("300px");
grid.setSelectionMode(selectionMode);
if (withData) {
addDataToGrid(grid);
}
return grid;
}
private void addDataToGrid(Grid grid) {
grid.addRow("Some", "Data with more data in one col");
}
}
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