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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.POIXMLException;
import org.apache.poi.util.Beta;
import org.apache.poi.util.Units;
import org.apache.poi.xslf.model.PropertyFetcher;
import org.apache.poi.xslf.model.TextBodyPropertyFetcher;
import org.apache.xmlbeans.XmlObject;
import org.openxmlformats.schemas.drawingml.x2006.main.CTTextBody;
import org.openxmlformats.schemas.drawingml.x2006.main.CTTextBodyProperties;
import org.openxmlformats.schemas.drawingml.x2006.main.CTTextParagraph;
import org.openxmlformats.schemas.drawingml.x2006.main.STTextAnchoringType;
import org.openxmlformats.schemas.drawingml.x2006.main.STTextVerticalType;
import org.openxmlformats.schemas.drawingml.x2006.main.STTextWrappingType;
import org.openxmlformats.schemas.presentationml.x2006.main.CTApplicationNonVisualDrawingProps;
import org.openxmlformats.schemas.presentationml.x2006.main.CTPlaceholder;
import org.openxmlformats.schemas.presentationml.x2006.main.CTShape;
import org.openxmlformats.schemas.presentationml.x2006.main.STPlaceholderType;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* Represents a shape that can hold text.
*
* @author Yegor Kozlov
*/
@Beta
public abstract class XSLFTextShape extends XSLFSimpleShape implements Iterable{
private final List _paragraphs;
/**
* whether the text was broken into lines.
*/
private boolean _isTextBroken;
/*package*/ XSLFTextShape(XmlObject shape, XSLFSheet sheet) {
super(shape, sheet);
_paragraphs = new ArrayList();
CTTextBody txBody = getTextBody(false);
if (txBody != null) {
for (CTTextParagraph p : txBody.getPList()) {
_paragraphs.add(new XSLFTextParagraph(p, this));
}
}
}
public Iterator iterator(){
return _paragraphs.iterator();
}
/**
*
* @return text contained within this shape or empty string
*/
public String getText() {
StringBuilder out = new StringBuilder();
for (XSLFTextParagraph p : _paragraphs) {
if (out.length() > 0) out.append('\n');
out.append(p.getText());
}
return out.toString();
}
/**
* unset text from this shape
*/
public void clearText(){
_paragraphs.clear();
CTTextBody txBody = getTextBody(true);
txBody.setPArray(null); // remove any existing paragraphs
}
public void setText(String text){
clearText();
addNewTextParagraph().addNewTextRun().setText(text);
}
/**
*
* @return text paragraphs in this shape
*/
public List getTextParagraphs() {
return _paragraphs;
}
/**
* add a new paragraph run to this shape
*
* @return created paragraph run
*/
public XSLFTextParagraph addNewTextParagraph() {
CTTextBody txBody = getTextBody(true);
CTTextParagraph p = txBody.addNewP();
XSLFTextParagraph paragraph = new XSLFTextParagraph(p, this);
_paragraphs.add(paragraph);
return paragraph;
}
/**
* Sets the type of vertical alignment for the text.
*
* @param anchor - the type of alignment.
* A null values unsets this property.
*/
public void setVerticalAlignment(VerticalAlignment anchor){
CTTextBodyProperties bodyPr = getTextBodyPr();
if (bodyPr != null) {
if(anchor == null) {
if(bodyPr.isSetAnchor()) bodyPr.unsetAnchor();
} else {
bodyPr.setAnchor(STTextAnchoringType.Enum.forInt(anchor.ordinal() + 1));
}
}
}
/**
* Returns the type of vertical alignment for the text.
*
* @return the type of vertical alignment
*/
public VerticalAlignment getVerticalAlignment(){
PropertyFetcher fetcher = new TextBodyPropertyFetcher(){
public boolean fetch(CTTextBodyProperties props){
if(props.isSetAnchor()){
int val = props.getAnchor().intValue();
setValue(VerticalAlignment.values()[val - 1]);
return true;
}
return false;
}
};
fetchShapeProperty(fetcher);
return fetcher.getValue() == null ? VerticalAlignment.TOP : fetcher.getValue();
}
/**
*
* @param orientation vertical orientation of the text
*/
public void setTextDirection(TextDirection orientation){
CTTextBodyProperties bodyPr = getTextBodyPr();
if (bodyPr != null) {
if(orientation == null) {
if(bodyPr.isSetVert()) bodyPr.unsetVert();
} else {
bodyPr.setVert(STTextVerticalType.Enum.forInt(orientation.ordinal() + 1));
}
}
}
/**
* @return vertical orientation of the text
*/
public TextDirection getTextDirection(){
CTTextBodyProperties bodyPr = getTextBodyPr();
if (bodyPr != null) {
STTextVerticalType.Enum val = bodyPr.getVert();
if(val != null){
return TextDirection.values()[val.intValue() - 1];
}
}
return TextDirection.HORIZONTAL;
}
/**
* Returns the distance (in points) between the bottom of the text frame
* and the bottom of the inscribed rectangle of the shape that contains the text.
*
* @return the bottom inset in points
*/
public double getBottomInset(){
PropertyFetcher fetcher = new TextBodyPropertyFetcher(){
public boolean fetch(CTTextBodyProperties props){
if(props.isSetBIns()){
double val = Units.toPoints(props.getBIns());
setValue(val);
return true;
}
return false;
}
};
fetchShapeProperty(fetcher);
// If this attribute is omitted, then a value of 0.05 inches is implied
return fetcher.getValue() == null ? 3.6 : fetcher.getValue();
}
/**
* Returns the distance (in points) between the left edge of the text frame
* and the left edge of the inscribed rectangle of the shape that contains
* the text.
*
* @return the left inset in points
*/
public double getLeftInset(){
PropertyFetcher fetcher = new TextBodyPropertyFetcher(){
public boolean fetch(CTTextBodyProperties props){
if(props.isSetLIns()){
double val = Units.toPoints(props.getLIns());
setValue(val);
return true;
}
return false;
}
};
fetchShapeProperty(fetcher);
// If this attribute is omitted, then a value of 0.1 inches is implied
return fetcher.getValue() == null ? 7.2 : fetcher.getValue();
}
/**
* Returns the distance (in points) between the right edge of the
* text frame and the right edge of the inscribed rectangle of the shape
* that contains the text.
*
* @return the right inset in points
*/
public double getRightInset(){
PropertyFetcher fetcher = new TextBodyPropertyFetcher(){
public boolean fetch(CTTextBodyProperties props){
if(props.isSetRIns()){
double val = Units.toPoints(props.getRIns());
setValue(val);
return true;
}
return false;
}
};
fetchShapeProperty(fetcher);
// If this attribute is omitted, then a value of 0.1 inches is implied
return fetcher.getValue() == null ? 7.2 : fetcher.getValue();
}
/**
* Returns the distance (in points) between the top of the text frame
* and the top of the inscribed rectangle of the shape that contains the text.
*
* @return the top inset in points
*/
public double getTopInset(){
PropertyFetcher fetcher = new TextBodyPropertyFetcher(){
public boolean fetch(CTTextBodyProperties props){
if(props.isSetTIns()){
double val = Units.toPoints(props.getTIns());
setValue(val);
return true;
}
return false;
}
};
fetchShapeProperty(fetcher);
// If this attribute is omitted, then a value of 0.05 inches is implied
return fetcher.getValue() == null ? 3.6 : fetcher.getValue();
}
/**
* Sets the botom margin.
* @see #getBottomInset()
*
* @param margin the bottom margin
*/
public void setBottomInset(double margin){
CTTextBodyProperties bodyPr = getTextBodyPr();
if (bodyPr != null) {
if(margin == -1) bodyPr.unsetBIns();
else bodyPr.setBIns(Units.toEMU(margin));
}
}
/**
* Sets the left margin.
* @see #getLeftInset()
*
* @param margin the left margin
*/
public void setLeftInset(double margin){
CTTextBodyProperties bodyPr = getTextBodyPr();
if (bodyPr != null) {
if(margin == -1) bodyPr.unsetLIns();
else bodyPr.setLIns(Units.toEMU(margin));
}
}
/**
* Sets the right margin.
* @see #getRightInset()
*
* @param margin the right margin
*/
public void setRightInset(double margin){
CTTextBodyProperties bodyPr = getTextBodyPr();
if (bodyPr != null) {
if(margin == -1) bodyPr.unsetRIns();
else bodyPr.setRIns(Units.toEMU(margin));
}
}
/**
* Sets the top margin.
* @see #getTopInset()
*
* @param margin the top margin
*/
public void setTopInset(double margin){
CTTextBodyProperties bodyPr = getTextBodyPr();
if (bodyPr != null) {
if(margin == -1) bodyPr.unsetTIns();
else bodyPr.setTIns(Units.toEMU(margin));
}
}
/**
* @return whether to wrap words within the bounding rectangle
*/
public boolean getWordWrap(){
PropertyFetcher fetcher = new TextBodyPropertyFetcher(){
public boolean fetch(CTTextBodyProperties props){
if(props.isSetWrap()){
setValue(props.getWrap() == STTextWrappingType.SQUARE);
return true;
}
return false;
}
};
fetchShapeProperty(fetcher);
return fetcher.getValue() == null ? true : fetcher.getValue();
}
/**
*
* @param wrap whether to wrap words within the bounding rectangle
*/
public void setWordWrap(boolean wrap){
CTTextBodyProperties bodyPr = getTextBodyPr();
if (bodyPr != null) {
bodyPr.setWrap(wrap ? STTextWrappingType.SQUARE : STTextWrappingType.NONE);
}
}
/**
*
* Specifies that a shape should be auto-fit to fully contain the text described within it.
* Auto-fitting is when text within a shape is scaled in order to contain all the text inside
*
* @param value type of autofit
*/
public void setTextAutofit(TextAutofit value){
CTTextBodyProperties bodyPr = getTextBodyPr();
if (bodyPr != null) {
if(bodyPr.isSetSpAutoFit()) bodyPr.unsetSpAutoFit();
if(bodyPr.isSetNoAutofit()) bodyPr.unsetNoAutofit();
if(bodyPr.isSetNormAutofit()) bodyPr.unsetNormAutofit();
switch(value){
case NONE: bodyPr.addNewNoAutofit(); break;
case NORMAL: bodyPr.addNewNormAutofit(); break;
case SHAPE: bodyPr.addNewSpAutoFit(); break;
}
}
}
/**
*
* @return type of autofit
*/
public TextAutofit getTextAutofit(){
CTTextBodyProperties bodyPr = getTextBodyPr();
if (bodyPr != null) {
if(bodyPr.isSetNoAutofit()) return TextAutofit.NONE;
else if (bodyPr.isSetNormAutofit()) return TextAutofit.NORMAL;
else if (bodyPr.isSetSpAutoFit()) return TextAutofit.SHAPE;
}
return TextAutofit.NORMAL;
}
protected CTTextBodyProperties getTextBodyPr(){
CTTextBody textBody = getTextBody(false);
return textBody == null ? null : textBody.getBodyPr();
}
protected abstract CTTextBody getTextBody(boolean create);
public Placeholder getTextType(){
CTPlaceholder ph;
XmlObject[] obj = getXmlObject().selectPath(
"declare namespace p='http://schemas.openxmlformats.org/presentationml/2006/main' .//*/p:nvPr/p:ph");
if(obj.length == 1){
ph = (CTPlaceholder)obj[0];
int val = ph.getType().intValue();
return Placeholder.values()[val - 1];
}
else {
return null;
}
}
/**
* Specifies that the corresponding shape should be represented by the generating application
* as a placeholder. When a shape is considered a placeholder by the generating application
* it can have special properties to alert the user that they may enter content into the shape.
* Different types of placeholders are allowed and can be specified by using the placeholder
* type attribute for this element
*
* @param placeholder
*/
public void setPlaceholder(Placeholder placeholder){
CTShape sh = (CTShape)getXmlObject();
CTApplicationNonVisualDrawingProps nv = sh.getNvSpPr().getNvPr();
if(placeholder == null) {
if(nv.isSetPh()) nv.unsetPh();
} else {
nv.addNewPh().setType(STPlaceholderType.Enum.forInt(placeholder.ordinal() + 1));
}
}
/**
* Compute the cumulative height occupied by the text
*/
public double getTextHeight(){
// dry-run in a 1x1 image and return the vertical advance
BufferedImage img = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
Graphics2D graphics = img.createGraphics();
breakText(graphics);
return drawParagraphs(graphics, 0, 0);
}
/**
* Adjust the size of the shape so it encompasses the text inside it.
*
* @return a Rectangle2D that is the bounds of this shape.
*/
public Rectangle2D resizeToFitText(){
Rectangle2D anchor = getAnchor();
if(anchor.getWidth() == 0.) throw new POIXMLException(
"Anchor of the shape was not set.");
double height = getTextHeight();
height += 1; // add a pixel to compensate rounding errors
anchor.setRect(anchor.getX(), anchor.getY(), anchor.getWidth(), height);
setAnchor(anchor);
return anchor;
}
/**
* break the contained text into lines
*/
private void breakText(Graphics2D graphics){
if(!_isTextBroken) {
for(XSLFTextParagraph p : _paragraphs) p.breakText(graphics);
_isTextBroken = true;
}
}
@Override
public void drawContent(Graphics2D graphics) {
breakText(graphics);
RenderableShape rShape = new RenderableShape(this);
Rectangle2D anchor = rShape.getAnchor(graphics);
double x = anchor.getX() + getLeftInset();
double y = anchor.getY();
// remember the initial transform
AffineTransform tx = graphics.getTransform();
// Transform of text in flipped shapes is special.
// At this point the flip and rotation transform is already applied
// (see XSLFShape#applyTransform ), but we need to restore it to avoid painting "upside down".
// See Bugzilla 54210.
if(getFlipVertical()){
graphics.translate(anchor.getX(), anchor.getY() + anchor.getHeight());
graphics.scale(1, -1);
graphics.translate(-anchor.getX(), -anchor.getY());
// text in vertically flipped shapes is rotated by 180 degrees
double centerX = anchor.getX() + anchor.getWidth()/2;
double centerY = anchor.getY() + anchor.getHeight()/2;
graphics.translate(centerX, centerY);
graphics.rotate(Math.toRadians(180));
graphics.translate(-centerX, -centerY);
}
// Horizontal flipping applies only to shape outline and not to the text in the shape.
// Applying flip second time restores the original not-flipped transform
if(getFlipHorizontal()){
graphics.translate(anchor.getX() + anchor.getWidth(), anchor.getY());
graphics.scale(-1, 1);
graphics.translate(-anchor.getX() , -anchor.getY());
}
// first dry-run to calculate the total height of the text
double textHeight = getTextHeight();
switch (getVerticalAlignment()){
case TOP:
y += getTopInset();
break;
case BOTTOM:
y += anchor.getHeight() - textHeight - getBottomInset();
break;
default:
case MIDDLE:
double delta = anchor.getHeight() - textHeight -
getTopInset() - getBottomInset();
y += getTopInset() + delta/2;
break;
}
drawParagraphs(graphics, x, y);
// restore the transform
graphics.setTransform(tx);
}
/**
* paint the paragraphs starting from top left (x,y)
*
* @return the vertical advance, i.e. the cumulative space occupied by the text
*/
private double drawParagraphs(Graphics2D graphics, double x, double y) {
double y0 = y;
for(int i = 0; i < _paragraphs.size(); i++){
XSLFTextParagraph p = _paragraphs.get(i);
List lines = p.getTextLines();
if(i > 0 && lines.size() > 0) {
// the amount of vertical white space before the paragraph
double spaceBefore = p.getSpaceBefore();
if(spaceBefore > 0) {
// positive value means percentage spacing of the height of the first line, e.g.
// the higher the first line, the bigger the space before the paragraph
y += spaceBefore*0.01*lines.get(0).getHeight();
} else {
// negative value means the absolute spacing in points
y += -spaceBefore;
}
}
y += p.draw(graphics, x, y);
if(i < _paragraphs.size() - 1) {
double spaceAfter = p.getSpaceAfter();
if(spaceAfter > 0) {
// positive value means percentage spacing of the height of the last line, e.g.
// the higher the last line, the bigger the space after the paragraph
y += spaceAfter*0.01*lines.get(lines.size() - 1).getHeight();
} else {
// negative value means the absolute spacing in points
y += -spaceAfter;
}
}
}
return y - y0;
}
@Override
void copy(XSLFShape sh){
super.copy(sh);
XSLFTextShape tsh = (XSLFTextShape)sh;
boolean srcWordWrap = tsh.getWordWrap();
if(srcWordWrap != getWordWrap()){
setWordWrap(srcWordWrap);
}
double leftInset = tsh.getLeftInset();
if(leftInset != getLeftInset()) {
setLeftInset(leftInset);
}
double rightInset = tsh.getRightInset();
if(rightInset != getRightInset()) {
setRightInset(rightInset);
}
double topInset = tsh.getTopInset();
if(topInset != getTopInset()) {
setTopInset(topInset);
}
double bottomInset = tsh.getBottomInset();
if(bottomInset != getBottomInset()) {
setBottomInset(bottomInset);
}
VerticalAlignment vAlign = tsh.getVerticalAlignment();
if(vAlign != getVerticalAlignment()) {
setVerticalAlignment(vAlign);
}
List srcP = tsh.getTextParagraphs();
List tgtP = getTextParagraphs();
for(int i = 0; i < srcP.size(); i++){
XSLFTextParagraph p1 = srcP.get(i);
XSLFTextParagraph p2 = tgtP.get(i);
p2.copy(p1);
}
}
}
