org.eclipse.nebula.widgets.nattable.core/src/org/eclipse/nebula/widgets/nattable/style/editor/LineStylePicker.java

/*******************************************************************************
 * Copyright (c) 2012, 2020 Original authors and others.
 *
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     Original authors and others - initial API and implementation
 ******************************************************************************/
package org.eclipse.nebula.widgets.nattable.style.editor;

import static org.eclipse.swt.SWT.NONE;

import org.eclipse.nebula.widgets.nattable.Messages;
import org.eclipse.nebula.widgets.nattable.style.BorderStyle.LineStyleEnum;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;

/**
 * Component to select a {@link LineStyleEnum}.
 */
public class LineStylePicker extends Composite {

    private Combo combo;

    public LineStylePicker(Composite parent) {
        super(parent, NONE);
        setLayout(new RowLayout());

        this.combo = new Combo(this, SWT.READ_ONLY | SWT.DROP_DOWN);
        this.combo.setItems(new String[] {
                Messages.getString("LineStylePicker.solid"), //$NON-NLS-1$
                Messages.getString("LineStylePicker.dashed"), //$NON-NLS-1$
                Messages.getString("LineStylePicker.dotted"), //$NON-NLS-1$
                Messages.getString("LineStylePicker.dashdot"), //$NON-NLS-1$
                Messages.getString("LineStylePicker.dashdotdot") //$NON-NLS-1$
        });
        this.combo.select(0);
    }

    @Override
    public void setEnabled(boolean enabled) {
        this.combo.setEnabled(enabled);
    }

    public void setSelectedLineStyle(LineStyleEnum lineStyle) {
        int index = 0;
        if (lineStyle.equals(LineStyleEnum.SOLID)) {
            index = 0;
        } else if (lineStyle.equals(LineStyleEnum.DASHED)) {
            index = 1;
        } else if (lineStyle.equals(LineStyleEnum.DOTTED)) {
            index = 2;
        } else if (lineStyle.equals(LineStyleEnum.DASHDOT)) {
            index = 3;
        } else if (lineStyle.equals(LineStyleEnum.DASHDOTDOT)) {
            index = 4;
        }
        this.combo.select(index);
    }

    public LineStyleEnum getSelectedLineStyle() {
        int index = this.combo.getSelectionIndex();
        if (index == 0) {
            return LineStyleEnum.SOLID;
        } else if (index == 1) {
            return LineStyleEnum.DASHED;
        } else if (index == 2) {
            return LineStyleEnum.DOTTED;
        } else if (index == 3) {
            return LineStyleEnum.DASHDOT;
        } else if (index == 4) {
            return LineStyleEnum.DASHDOTDOT;
        } else {
            throw new IllegalStateException("never happen"); //$NON-NLS-1$
        }
    }

}