LocalComponentView.java

/**
 * Copyright 1999-2009 The Pegadi Team
 *
 * 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.pegadi.artis.text;

import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.ComponentView;
import javax.swing.text.StyleConstants;
import javax.swing.text.View;
import java.awt.*;

public class LocalComponentView extends ComponentView {


    public LocalComponentView(javax.swing.text.Element element) {
        super(element);
        element.getDocument().addDocumentListener(new DocumentListener() {
            public void insertUpdate(DocumentEvent e) {

            }
            public void removeUpdate(DocumentEvent e) {

            }
            public void changedUpdate(DocumentEvent e) {
               doc_changedUpdate(e);
            }

        });
    }

    private void doc_changedUpdate(DocumentEvent e) {

        if(getComponent() instanceof LocalComponent) {
            LocalComponent c = (LocalComponent) getComponent();
            c.changedUpdate(getElement());
        }
    }

    public float getMaximumSpan(int axis) {
        if (axis == View.X_AXIS) {


            Component comp = StyleConstants.getComponent(getElement().getAttributes());

            if (comp != null)
                return (float) comp.getPreferredSize().getWidth();
        }

        return super.getMaximumSpan(axis);

    }

}