WrapEditorKit.java

package monakhv.samlib.desk.gui.utils;

import javax.swing.text.*;

/*
 * Copyright 2015  Dmitry Monakhov
 *
 * 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.
 *
 * 21.07.15.
 */
public class WrapEditorKit extends StyledEditorKit {
    ViewFactory defaultFactory = new WrapColumnFactory();

    public ViewFactory getViewFactory() {
        return defaultFactory;
    }

    class WrapColumnFactory implements ViewFactory{

        @Override
        public View create(Element elem) {
            String kind = elem.getName();
            if (kind != null) {
                if (kind.equals(AbstractDocument.ContentElementName)) {
                    return new WrapLabelView(elem);
                } else if (kind.equals(AbstractDocument.ParagraphElementName)) {
                    return new ParagraphView(elem);
                } else if (kind.equals(AbstractDocument.SectionElementName)) {
                    return new BoxView(elem, View.Y_AXIS);
                } else if (kind.equals(StyleConstants.ComponentElementName)) {
                    return new ComponentView(elem);
                } else if (kind.equals(StyleConstants.IconElementName)) {
                    return new IconView(elem);
                }
            }
            // default to text display
            return new LabelView(elem);

        }
    }

    class WrapLabelView   extends LabelView {
            public WrapLabelView(Element elem) {
            super(elem);
        }

        @Override
        public float getMinimumSpan(int axis) {
            switch (axis){
                case View.X_AXIS:
                    return 0;
                case View.Y_AXIS:
                    return super.getMinimumSpan(axis);
                default:
                    throw new IllegalArgumentException("Invalid axis: " + axis);
            }
        }
    }

}