org.apache.poi.hssf.usermodel.HSSFPatriarch Maven / Gradle / Ivy
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package org.apache.poi.hssf.usermodel;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.poi.ddf.EscherComplexProperty;
import org.apache.poi.ddf.EscherOptRecord;
import org.apache.poi.ddf.EscherProperty;
import org.apache.poi.hssf.record.EscherAggregate;
import org.apache.poi.util.StringUtil;
import org.apache.poi.ss.usermodel.Drawing;
import org.apache.poi.ss.usermodel.ClientAnchor;
/**
* The patriarch is the toplevel container for shapes in a sheet. It does
* little other than act as a container for other shapes and groups.
*
* @author Glen Stampoultzis (glens at apache.org)
*/
public final class HSSFPatriarch implements HSSFShapeContainer, Drawing {
private final List _shapes = new ArrayList();
private int _x1 = 0;
private int _y1 = 0 ;
private int _x2 = 1023;
private int _y2 = 255;
/**
* The EscherAggregate we have been bound to.
* (This will handle writing us out into records,
* and building up our shapes from the records)
*/
private EscherAggregate _boundAggregate;
final HSSFSheet _sheet; // TODO make private
/**
* Creates the patriarch.
*
* @param sheet the sheet this patriarch is stored in.
*/
HSSFPatriarch(HSSFSheet sheet, EscherAggregate boundAggregate){
_sheet = sheet;
_boundAggregate = boundAggregate;
}
/**
* Creates a new group record stored under this patriarch.
*
* @param anchor the client anchor describes how this group is attached
* to the sheet.
* @return the newly created group.
*/
public HSSFShapeGroup createGroup(HSSFClientAnchor anchor)
{
HSSFShapeGroup group = new HSSFShapeGroup(null, anchor);
group.anchor = anchor;
_shapes.add(group);
return group;
}
/**
* Creates a simple shape. This includes such shapes as lines, rectangles,
* and ovals.
*
* @param anchor the client anchor describes how this group is attached
* to the sheet.
* @return the newly created shape.
*/
public HSSFSimpleShape createSimpleShape(HSSFClientAnchor anchor)
{
HSSFSimpleShape shape = new HSSFSimpleShape(null, anchor);
shape.anchor = anchor;
_shapes.add(shape);
return shape;
}
/**
* Creates a picture.
*
* @param anchor the client anchor describes how this group is attached
* to the sheet.
* @return the newly created shape.
*/
public HSSFPicture createPicture(HSSFClientAnchor anchor, int pictureIndex)
{
HSSFPicture shape = new HSSFPicture(null, anchor);
shape.setPictureIndex( pictureIndex );
shape.anchor = anchor;
shape._patriarch = this;
_shapes.add(shape);
return shape;
}
public HSSFPicture createPicture(ClientAnchor anchor, int pictureIndex)
{
return createPicture((HSSFClientAnchor)anchor, pictureIndex);
}
/**
* Creates a polygon
*
* @param anchor the client anchor describes how this group is attached
* to the sheet.
* @return the newly created shape.
*/
public HSSFPolygon createPolygon(HSSFClientAnchor anchor)
{
HSSFPolygon shape = new HSSFPolygon(null, anchor);
shape.anchor = anchor;
_shapes.add(shape);
return shape;
}
/**
* Constructs a textbox under the patriarch.
*
* @param anchor the client anchor describes how this group is attached
* to the sheet.
* @return the newly created textbox.
*/
public HSSFTextbox createTextbox(HSSFClientAnchor anchor)
{
HSSFTextbox shape = new HSSFTextbox(null, anchor);
shape.anchor = anchor;
_shapes.add(shape);
return shape;
}
/**
* Constructs a cell comment.
*
* @param anchor the client anchor describes how this comment is attached
* to the sheet.
* @return the newly created comment.
*/
public HSSFComment createComment(HSSFAnchor anchor)
{
HSSFComment shape = new HSSFComment(null, anchor);
shape.anchor = anchor;
_shapes.add(shape);
return shape;
}
/**
* YK: used to create autofilters
*
* @see org.apache.poi.hssf.usermodel.HSSFSheet#setAutoFilter(int, int, int, int)
*/
HSSFSimpleShape createComboBox(HSSFAnchor anchor)
{
HSSFSimpleShape shape = new HSSFSimpleShape(null, anchor);
shape.setShapeType(HSSFSimpleShape.OBJECT_TYPE_COMBO_BOX);
shape.anchor = anchor;
_shapes.add(shape);
return shape;
}
public HSSFComment createCellComment(ClientAnchor anchor) {
return createComment((HSSFAnchor)anchor);
}
/**
* Returns a list of all shapes contained by the patriarch.
*/
public List getChildren()
{
return _shapes;
}
/**
* Total count of all children and their children's children.
*/
public int countOfAllChildren() {
int count = _shapes.size();
for (Iterator iterator = _shapes.iterator(); iterator.hasNext();) {
HSSFShape shape = iterator.next();
count += shape.countOfAllChildren();
}
return count;
}
/**
* Sets the coordinate space of this group. All children are constrained
* to these coordinates.
*/
public void setCoordinates(int x1, int y1, int x2, int y2){
_x1 = x1;
_y1 = y1;
_x2 = x2;
_y2 = y2;
}
/**
* Does this HSSFPatriarch contain a chart?
* (Technically a reference to a chart, since they
* get stored in a different block of records)
* FIXME - detect chart in all cases (only seems
* to work on some charts so far)
*/
public boolean containsChart() {
// TODO - support charts properly in usermodel
// We're looking for a EscherOptRecord
EscherOptRecord optRecord = (EscherOptRecord)
_boundAggregate.findFirstWithId(EscherOptRecord.RECORD_ID);
if(optRecord == null) {
// No opt record, can't have chart
return false;
}
for(Iterator it = optRecord.getEscherProperties().iterator(); it.hasNext();) {
EscherProperty prop = it.next();
if(prop.getPropertyNumber() == 896 && prop.isComplex()) {
EscherComplexProperty cp = (EscherComplexProperty)prop;
String str = StringUtil.getFromUnicodeLE(cp.getComplexData());
if(str.equals("Chart 1\0")) {
return true;
}
}
}
return false;
}
/**
* The top left x coordinate of this group.
*/
public int getX1()
{
return _x1;
}
/**
* The top left y coordinate of this group.
*/
public int getY1()
{
return _y1;
}
/**
* The bottom right x coordinate of this group.
*/
public int getX2()
{
return _x2;
}
/**
* The bottom right y coordinate of this group.
*/
public int getY2()
{
return _y2;
}
/**
* Returns the aggregate escher record we're bound to
*/
protected EscherAggregate _getBoundAggregate() {
return _boundAggregate;
}
}