Author: abearez
Date: Sat Dec 7 23:39:20 2019
New Revision: 1871012
URL: http://svn.apache.org/viewvc?rev=1871012&view=rev
Log:
Retrieve chart from graphical frame
Modified:
poi/trunk/src/examples/src/org/apache/poi/xslf/usermodel/ChartFromScratch.java
poi/trunk/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFGraphicFrame.java
Modified:
poi/trunk/src/examples/src/org/apache/poi/xslf/usermodel/ChartFromScratch.java
URL:
http://svn.apache.org/viewvc/poi/trunk/src/examples/src/org/apache/poi/xslf/usermodel/ChartFromScratch.java?rev=1871012&r1=1871011&r2=1871012&view=diff
==============================================================================
---
poi/trunk/src/examples/src/org/apache/poi/xslf/usermodel/ChartFromScratch.java
(original)
+++
poi/trunk/src/examples/src/org/apache/poi/xslf/usermodel/ChartFromScratch.java
Sat Dec 7 23:39:20 2019
@@ -21,6 +21,7 @@ package org.apache.poi.xslf.usermodel;
import java.awt.geom.Rectangle2D;
import java.io.BufferedReader;
+import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.OutputStream;
@@ -95,6 +96,20 @@ public class ChartFromScratch {
ppt.write(out);
}
}
+ try (FileInputStream is = new
FileInputStream("chart-from-scratch.pptx")) {
+ try (XMLSlideShow ppt = new XMLSlideShow(is)) {
+ for (XSLFSlide slide : ppt.getSlides()) {
+ for (XSLFShape shape : slide.getShapes()) {
+ if (shape instanceof XSLFGraphicFrame) {
+ XSLFGraphicFrame frame = (XSLFGraphicFrame)
shape;
+ if (frame.hasChart()) {
+
System.out.println(frame.getChart().getTitleShape().getText());
+ }
+ }
+ }
+ }
+ }
+ }
}
System.out.println("Done");
}
Modified:
poi/trunk/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFGraphicFrame.java
URL:
http://svn.apache.org/viewvc/poi/trunk/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFGraphicFrame.java?rev=1871012&r1=1871011&r2=1871012&view=diff
==============================================================================
---
poi/trunk/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFGraphicFrame.java
(original)
+++
poi/trunk/src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFGraphicFrame.java
Sat Dec 7 23:39:20 2019
@@ -47,6 +47,7 @@ import org.openxmlformats.schemas.presen
@Beta
public class XSLFGraphicFrame extends XSLFShape implements
GraphicalFrame<XSLFShape, XSLFTextParagraph> {
+ private static final String DRAWINGML_CHART_URI =
"http://schemas.openxmlformats.org/drawingml/2006/chart";;
private static final POILogger LOG =
POILogFactory.getLogger(XSLFGraphicFrame.class);
/*package*/ XSLFGraphicFrame(CTGraphicalObjectFrame shape, XSLFSheet
sheet){
@@ -97,7 +98,7 @@ public class XSLFGraphicFrame extends XS
return new XSLFGraphicFrame(shape, sheet);
}
}
-
+
private static String getUri(CTGraphicalObjectFrame shape) {
final CTGraphicalObject g = shape.getGraphic();
if (g == null) {
@@ -160,15 +161,45 @@ public class XSLFGraphicFrame extends XS
return false;
}
+ public boolean hasChart() {
+ String uri = getGraphicalData().getUri();
+ return uri.equals(DRAWINGML_CHART_URI);
+ }
+
+ private CTGraphicalObjectData getGraphicalData() {
+ return
((CTGraphicalObjectFrame)getXmlObject()).getGraphic().getGraphicData();
+ }
+
+ public XSLFChart getChart() {
+ if (hasChart()) {
+ String id = null;
+ String xpath = "declare namespace c='" + DRAWINGML_CHART_URI + "'
c:chart";
+ XmlObject[] obj = getGraphicalData().selectPath(xpath);
+ if (obj != null && obj.length == 1) {
+ XmlCursor c = obj[0].newCursor();
+ QName idQualifiedName = new
QName("http://schemas.openxmlformats.org/officeDocument/2006/relationships";,
"id");
+ id = c.getAttributeText(idQualifiedName);
+ c.dispose();
+ }
+ if (id == null) {
+ return null;
+ } else {
+ return (XSLFChart) getSheet().getRelationById(id);
+ }
+ } else {
+ return null;
+ }
+ }
+
@Override
void copy(XSLFShape sh){
super.copy(sh);
- CTGraphicalObjectData data =
((CTGraphicalObjectFrame)getXmlObject()).getGraphic().getGraphicData();
+ CTGraphicalObjectData data = getGraphicalData();
String uri = data.getUri();
if(uri.equals("http://schemas.openxmlformats.org/drawingml/2006/diagram";)){
copyDiagram(data, (XSLFGraphicFrame)sh);
- }
if(uri.equals("http://schemas.openxmlformats.org/drawingml/2006/chart";)){
+ } if(uri.equals(DRAWINGML_CHART_URI)){
copyChart(data, (XSLFGraphicFrame)sh);
} else {
// TODO support other types of objects
@@ -179,7 +210,7 @@ public class XSLFGraphicFrame extends XS
private void copyChart(CTGraphicalObjectData objData, XSLFGraphicFrame
srcShape) {
XSLFSlide slide = (XSLFSlide) getSheet();
XSLFSheet src = srcShape.getSheet();
- String xpath = "declare namespace
c='http://schemas.openxmlformats.org/drawingml/2006/chart' c:chart";
+ String xpath = "declare namespace c='" + DRAWINGML_CHART_URI + "'
c:chart";
XmlObject[] obj = objData.selectPath(xpath);
if (obj != null && obj.length == 1) {
XmlCursor c = obj[0].newCursor();
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