com.google.gdt.eclipse.designer.gxt.model.layout.AnchorDataInfo.java Source code

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Here is the source code for com.google.gdt.eclipse.designer.gxt.model.layout.AnchorDataInfo.java

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/*******************************************************************************
 * Copyright 2011 Google Inc. All Rights Reserved.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * 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.google.gdt.eclipse.designer.gxt.model.layout;

import org.eclipse.wb.internal.core.model.creation.CreationSupport;
import org.eclipse.wb.internal.core.model.description.ComponentDescription;
import org.eclipse.wb.internal.core.model.property.Property;
import org.eclipse.wb.internal.core.utils.ast.AstEditor;
import org.eclipse.wb.internal.core.utils.reflect.ReflectionUtils;

import org.apache.commons.lang.StringUtils;

/**
 * Model for <code>AnchorData</code>.
 * 
 * @author scheglov_ke
 * @coverage ExtGWT.model.layout
 */
public class AnchorDataInfo extends LayoutDataInfo {
    ////////////////////////////////////////////////////////////////////////////
    //
    // Constructor
    //
    ////////////////////////////////////////////////////////////////////////////
    public AnchorDataInfo(AstEditor editor, ComponentDescription description, CreationSupport creationSupport)
            throws Exception {
        super(editor, description, creationSupport);
    }

    ////////////////////////////////////////////////////////////////////////////
    //
    // Anchor
    //
    ////////////////////////////////////////////////////////////////////////////
    public String getAnchor() {
        return (String) ReflectionUtils.invokeMethodEx(getObject(), "getAnchorSpec()");
    }

    public void setAnchor(Object anchor) throws Exception {
        getPropertyByTitle("anchorSpec").setValue(anchor);
    }

    public String getAnchorWidth() throws Exception {
        String anchor = getAnchor();
        if (anchor != null) {
            String[] anchorParts = StringUtils.split(anchor);
            if (anchorParts.length >= 1) {
                return anchorParts[0];
            }
        }
        return null;
    }

    public void setAnchorWidth(Object width) throws Exception {
        String height = getAnchorHeight();
        if (width == Property.UNKNOWN_VALUE) {
            String anchor;
            if (height == null) {
                anchor = null;
            } else {
                anchor = "0% " + height;
            }
            setAnchor(anchor);
        } else if (width instanceof String) {
            String anchor = (String) width;
            if (height != null) {
                anchor += " " + height;
            }
            setAnchor(anchor);
        }
    }

    public String getAnchorHeight() throws Exception {
        String anchor = getAnchor();
        if (anchor != null) {
            String[] anchorParts = StringUtils.split(anchor);
            if (anchorParts.length >= 2) {
                return anchorParts[1];
            }
        }
        return null;
    }

    public void setAnchorHeight(Object height) throws Exception {
        String width = getAnchorWidth();
        if (height == Property.UNKNOWN_VALUE) {
            setAnchor(width);
        } else if (height instanceof String) {
            if (width == null) {
                width = "0%";
            }
            String anchor = width + " " + height;
            setAnchor(anchor);
        }
    }
}