org.pentaho.gwt.widgets.client.splitpanel.SplitPanelUtil.java Source code

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Here is the source code for org.pentaho.gwt.widgets.client.splitpanel.SplitPanelUtil.java

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/*!
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.gwt.widgets.client.splitpanel;

import com.google.gwt.dom.client.Element;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.HorizontalSplitPanel;
import com.google.gwt.user.client.ui.VerticalSplitPanel;

public class SplitPanelUtil {

    // these guys must operate on populated scrollpanels (content added)
    public static void setHorizontalSplitPanelScrolling(HorizontalSplitPanel hsplit, boolean enableLeft,
            boolean enableRight) {
        Element splitElement = hsplit.getElement();
        Element leftElement = hsplit.getLeftWidget().getElement();
        while (leftElement != splitElement && leftElement != null) {
            leftElement = leftElement.getParentElement();
            DOM.setStyleAttribute((com.google.gwt.user.client.Element) leftElement, "overflowX", //$NON-NLS-1$
                    enableLeft ? "auto" : "hidden"); //$NON-NLS-1$ //$NON-NLS-2$
            DOM.setStyleAttribute((com.google.gwt.user.client.Element) leftElement, "overflowY", //$NON-NLS-1$
                    enableLeft ? "auto" : "hidden"); //$NON-NLS-1$ //$NON-NLS-2$
        }
        Element rightElement = hsplit.getRightWidget().getElement();
        while (rightElement != splitElement && rightElement != null) {
            rightElement = rightElement.getParentElement();
            DOM.setStyleAttribute((com.google.gwt.user.client.Element) rightElement, "overflowX", //$NON-NLS-1$
                    enableRight ? "auto" : "hidden"); //$NON-NLS-1$ //$NON-NLS-2$
            DOM.setStyleAttribute((com.google.gwt.user.client.Element) rightElement, "overflowY", //$NON-NLS-1$
                    enableRight ? "auto" : "hidden"); //$NON-NLS-1$ //$NON-NLS-2$
        }
    }

    // these guys must operate on populated scrollpanels (content added)
    public static void setVerticalSplitPanelScrolling(VerticalSplitPanel vsplit, boolean enableTop,
            boolean enableBottom) {
        Element splitElement = vsplit.getElement();
        Element topElement = vsplit.getTopWidget().getElement();
        while (topElement != splitElement && topElement != null) {
            topElement = topElement.getParentElement();
            DOM.setStyleAttribute((com.google.gwt.user.client.Element) topElement, "overflowX", //$NON-NLS-1$
                    enableTop ? "auto" : "hidden"); //$NON-NLS-1$ //$NON-NLS-2$
            DOM.setStyleAttribute((com.google.gwt.user.client.Element) topElement, "overflowY", //$NON-NLS-1$
                    enableTop ? "auto" : "hidden"); //$NON-NLS-1$ //$NON-NLS-2$
        }
        Element bottomElement = vsplit.getBottomWidget().getElement();
        while (bottomElement != splitElement && bottomElement != null) {
            bottomElement = bottomElement.getParentElement();
            DOM.setStyleAttribute((com.google.gwt.user.client.Element) bottomElement, "overflowX", //$NON-NLS-1$
                    enableBottom ? "auto" : "hidden"); //$NON-NLS-1$ //$NON-NLS-2$
            DOM.setStyleAttribute((com.google.gwt.user.client.Element) bottomElement, "overflowY", //$NON-NLS-1$
                    enableBottom ? "auto" : "hidden"); //$NON-NLS-1$ //$NON-NLS-2$
        }
    }

}