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/*
* Copyright 2000-2016 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.application;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractReindeerTestUIWithLog;
import com.vaadin.ui.Button;
import com.vaadin.ui.Component;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.SelectiveRenderer;
public class MissingHierarchyDetection extends AbstractReindeerTestUIWithLog {
private boolean isChildRendered = true;
private BrokenCssLayout brokenLayout = new BrokenCssLayout();
private CssLayout normalLayout = new CssLayout(
new Label("Normal layout child"));
public class BrokenCssLayout extends CssLayout
implements SelectiveRenderer {
public BrokenCssLayout() {
setCaption("Broken layout");
Label label = new Label("Child component");
label.setId("label");
addComponent(label);
}
@Override
public boolean isRendered(Component childComponent) {
return isChildRendered;
}
}
@Override
protected void setup(VaadinRequest request) {
addComponent(brokenLayout);
addComponent(normalLayout);
addComponent(new Button("Toggle properly", event -> toggle(true)));
addComponent(
new Button("Toggle improperly", event -> toggle(false)));
}
private void toggle(boolean properly) {
isChildRendered = !isChildRendered;
if (properly) {
brokenLayout.markAsDirtyRecursive();
}
normalLayout.getComponent(0).setVisible(isChildRendered);
// Must also have a state change of the layout to trigger special case
// related to optimizations
normalLayout.setCaption("With child: " + isChildRendered);
}
}
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