com.ocs.dynamo.ui.component.CollapsiblePanel Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of dynamo-frontend Show documentation
The newest version!
/*
   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.ocs.dynamo.ui.component;

import com.ocs.dynamo.constants.DynamoConstants;
import com.vaadin.flow.component.Component;
import com.vaadin.flow.component.button.Button;
import com.vaadin.flow.component.icon.Icon;
import com.vaadin.flow.component.icon.VaadinIcon;
import com.vaadin.flow.component.orderedlayout.VerticalLayout;

import lombok.Getter;
import lombok.Setter;

/**
 * A panel that can be collapsed for grouping attributes
 * 
 * @author Bas Rutten
 *
 */
public class CollapsiblePanel extends DefaultVerticalLayout {

	private static final long serialVersionUID = -7979238391035057707L;

	@Getter
	private final Icon closedIcon = VaadinIcon.PLUS_CIRCLE.create();

	@Getter
	private final VerticalLayout contentWrapper = new DefaultVerticalLayout();

	@Getter
	@Setter
	private Icon openIcon = VaadinIcon.MINUS_CIRCLE.create();

	@Getter
	private final Button toggle = new Button(openIcon);

	public CollapsiblePanel() {

		toggle.setSizeFull();
		toggle.addClassName(DynamoConstants.CSS_COLLAPSIBLE_PANEL_BUTTON);

		contentWrapper.setPadding(true);
		contentWrapper.setVisible(true);
		add(toggle, contentWrapper);
		toggle.addClickListener(event -> setOpen(!isOpen()));
	}

	public CollapsiblePanel(String caption, Component content) {
		this();
		toggle.setText(caption);
		contentWrapper.add(content);
	}

	public boolean isOpen() {
		return toggle.getIcon() == openIcon;
	}

	/**
	 * Sets the desired content for the panel
	 * 
	 * @param content the component that is to serve as the new content
	 */
	public void setContent(Component content) {
		this.contentWrapper.removeAll();
		this.contentWrapper.add(content);
	}

	/**
	 * Sets the opened status of the panel
	 * 
	 * @param open the desired status
	 */
	public void setOpen(boolean open) {
		contentWrapper.setVisible(open);
		contentWrapper.getChildren().forEach(c -> c.setVisible(open));
		toggle.setIcon(open ? getOpenIcon() : getClosedIcon());
	}

}