org.pentaho.di.ui.core.WidgetUtils.java Source code

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/*! ******************************************************************************
 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2015 by Pentaho : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * 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 org.pentaho.di.ui.core;

import org.apache.commons.lang.StringUtils;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;

public abstract class WidgetUtils {
    private WidgetUtils() {

    }

    public static void setFormLayout(Composite composite, int margin) {
        FormLayout formLayout = new FormLayout();
        formLayout.marginWidth = margin;
        formLayout.marginHeight = margin;
        composite.setLayout(formLayout);
    }

    public static CTabFolder createTabFolder(Composite composite, FormData fd, String... titles) {
        Composite container = new Composite(composite, SWT.NONE);
        WidgetUtils.setFormLayout(container, 0);
        container.setLayoutData(fd);

        CTabFolder tabFolder = new CTabFolder(container, SWT.NONE);
        tabFolder.setLayoutData(new FormDataBuilder().fullSize().result());

        for (String title : titles) {
            if (title.length() < 8) {
                title = StringUtils.rightPad(title, 8);
            }
            Composite tab = new Composite(tabFolder, SWT.NONE);
            WidgetUtils.setFormLayout(tab, ConstUI.MEDUIM_MARGIN);

            CTabItem tabItem = new CTabItem(tabFolder, SWT.NONE);
            tabItem.setText(title);
            tabItem.setControl(tab);
        }

        tabFolder.setSelection(0);
        return tabFolder;
    }

    public static FormData firstColumn(Control top) {
        return new FormDataBuilder().top(top, ConstUI.MEDUIM_MARGIN).percentWidth(47).result();
    }

    public static FormData secondColumn(Control top) {
        return new FormDataBuilder().top(top, ConstUI.MEDUIM_MARGIN).right().left(53, 0).result();
    }
}