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/*
 *  ====================================================================
 *    Licensed to the Apache Software Foundation (ASF) under one or more
 *    contributor license agreements.  See the NOTICE file distributed with
 *    this work for additional information regarding copyright ownership.
 *    The ASF licenses this file to You 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.apache.poi.xslf.usermodel;

import org.apache.poi.sl.usermodel.AutoShape;
import org.apache.poi.util.Beta;
import org.apache.poi.xddf.usermodel.text.XDDFTextBody;
import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
import org.openxmlformats.schemas.drawingml.x2006.main.CTPresetGeometry2D;
import org.openxmlformats.schemas.drawingml.x2006.main.CTShapeProperties;
import org.openxmlformats.schemas.drawingml.x2006.main.CTTextBody;
import org.openxmlformats.schemas.drawingml.x2006.main.STShapeType;
import org.openxmlformats.schemas.presentationml.x2006.main.CTShape;
import org.openxmlformats.schemas.presentationml.x2006.main.CTShapeNonVisual;

/**
 * Represents a shape with a preset geometry.
 *
 * @author Yegor Kozlov
 */
@Beta
public class XSLFAutoShape extends XSLFTextShape implements AutoShape {

    /* package */ XSLFAutoShape(CTShape shape, XSLFSheet sheet) {
        super(shape, sheet);
    }

    /* package */
    static XSLFAutoShape create(CTShape shape, XSLFSheet sheet) {
        if (shape.getSpPr().isSetCustGeom()) {
            return new XSLFFreeformShape(shape, sheet);
        } else if (shape.getNvSpPr().getCNvSpPr().isSetTxBox()) {
            return new XSLFTextBox(shape, sheet);
        } else {
            return new XSLFAutoShape(shape, sheet);
        }
    }

    /**
     * @param shapeId
     *            1-based shapeId
     */
    static CTShape prototype(int shapeId) {
        CTShape ct = CTShape.Factory.newInstance();
        CTShapeNonVisual nvSpPr = ct.addNewNvSpPr();
        CTNonVisualDrawingProps cnv = nvSpPr.addNewCNvPr();
        cnv.setName("AutoShape " + shapeId);
        cnv.setId(shapeId);
        nvSpPr.addNewCNvSpPr();
        nvSpPr.addNewNvPr();
        CTShapeProperties spPr = ct.addNewSpPr();
        CTPresetGeometry2D prst = spPr.addNewPrstGeom();
        prst.setPrst(STShapeType.RECT);
        prst.addNewAvLst();
        return ct;
    }

    @Override
    protected CTTextBody getTextBody(boolean create) {
        CTShape shape = (CTShape) getXmlObject();
        CTTextBody txBody = shape.getTxBody();
        if (txBody == null && create) {
            XDDFTextBody body = new XDDFTextBody(this);
            initTextBody(body);
            shape.setTxBody(body.getXmlObject());
            txBody = shape.getTxBody();
        }
        return txBody;
    }

    @Override
    public String toString() {
        return "[" + getClass().getSimpleName() + "] " + getShapeName();
    }

}