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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.util.Beta;
- import org.apache.poi.xslf.model.geom.Outline;
- import org.apache.poi.xslf.model.geom.Path;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTLineEndProperties;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTLineProperties;
- 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.STLineEndLength;
- import org.openxmlformats.schemas.drawingml.x2006.main.STLineEndType;
- import org.openxmlformats.schemas.drawingml.x2006.main.STLineEndWidth;
- import org.openxmlformats.schemas.drawingml.x2006.main.STShapeType;
- import org.openxmlformats.schemas.presentationml.x2006.main.CTConnector;
- import org.openxmlformats.schemas.presentationml.x2006.main.CTConnectorNonVisual;
-
- import java.awt.Shape;
- import java.awt.geom.AffineTransform;
- import java.awt.geom.Ellipse2D;
- import java.awt.geom.GeneralPath;
- import java.awt.geom.Rectangle2D;
- import java.util.ArrayList;
- import java.util.Collections;
- import java.util.List;
-
- /**
- * Specifies a connection shape.
- *
- * @author Yegor Kozlov
- */
- @Beta
- public class XSLFConnectorShape extends XSLFSimpleShape {
-
- /*package*/ XSLFConnectorShape(CTConnector shape, XSLFSheet sheet) {
- super(shape, sheet);
- }
-
- /**
- * @param shapeId 1-based shapeId
- */
- static CTConnector prototype(int shapeId) {
- CTConnector ct = CTConnector.Factory.newInstance();
- CTConnectorNonVisual nvSpPr = ct.addNewNvCxnSpPr();
- CTNonVisualDrawingProps cnv = nvSpPr.addNewCNvPr();
- cnv.setName("Connector " + shapeId);
- cnv.setId(shapeId + 1);
- nvSpPr.addNewCNvCxnSpPr();
- nvSpPr.addNewNvPr();
- CTShapeProperties spPr = ct.addNewSpPr();
- CTPresetGeometry2D prst = spPr.addNewPrstGeom();
- prst.setPrst(STShapeType.LINE);
- prst.addNewAvLst();
- CTLineProperties ln = spPr.addNewLn();
- return ct;
- }
-
- /**
- * Specifies the line end decoration, such as a triangle or arrowhead.
- */
- public void setLineHeadDecoration(LineDecoration style) {
- CTLineProperties ln = getSpPr().getLn();
- CTLineEndProperties lnEnd = ln.isSetHeadEnd() ? ln.getHeadEnd() : ln.addNewHeadEnd();
- if (style == null) {
- if (lnEnd.isSetType()) lnEnd.unsetType();
- } else {
- lnEnd.setType(STLineEndType.Enum.forInt(style.ordinal() + 1));
- }
- }
-
- public LineDecoration getLineHeadDecoration() {
- CTLineProperties ln = getSpPr().getLn();
- if (ln == null || !ln.isSetHeadEnd()) return LineDecoration.NONE;
-
- STLineEndType.Enum end = ln.getHeadEnd().getType();
- return end == null ? LineDecoration.NONE : LineDecoration.values()[end.intValue() - 1];
- }
-
- /**
- * specifies decorations which can be added to the head of a line.
- */
- public void setLineHeadWidth(LineEndWidth style) {
- CTLineProperties ln = getSpPr().getLn();
- CTLineEndProperties lnEnd = ln.isSetHeadEnd() ? ln.getHeadEnd() : ln.addNewHeadEnd();
- if (style == null) {
- if (lnEnd.isSetW()) lnEnd.unsetW();
- } else {
- lnEnd.setW(STLineEndWidth.Enum.forInt(style.ordinal() + 1));
- }
- }
-
- public LineEndWidth getLineHeadWidth() {
- CTLineProperties ln = getSpPr().getLn();
- if (ln == null || !ln.isSetHeadEnd()) return LineEndWidth.MEDIUM;
-
- STLineEndWidth.Enum w = ln.getHeadEnd().getW();
- return w == null ? LineEndWidth.MEDIUM : LineEndWidth.values()[w.intValue() - 1];
- }
-
- /**
- * Specifies the line end width in relation to the line width.
- */
- public void setLineHeadLength(LineEndLength style) {
- CTLineProperties ln = getSpPr().getLn();
- CTLineEndProperties lnEnd = ln.isSetHeadEnd() ? ln.getHeadEnd() : ln.addNewHeadEnd();
-
- if (style == null) {
- if (lnEnd.isSetLen()) lnEnd.unsetLen();
- } else {
- lnEnd.setLen(STLineEndLength.Enum.forInt(style.ordinal() + 1));
- }
- }
-
- public LineEndLength getLineHeadLength() {
- CTLineProperties ln = getSpPr().getLn();
- if (ln == null || !ln.isSetHeadEnd()) return LineEndLength.MEDIUM;
-
- STLineEndLength.Enum len = ln.getHeadEnd().getLen();
- return len == null ? LineEndLength.MEDIUM : LineEndLength.values()[len.intValue() - 1];
- }
-
- /**
- * Specifies the line end decoration, such as a triangle or arrowhead.
- */
- public void setLineTailDecoration(LineDecoration style) {
- CTLineProperties ln = getSpPr().getLn();
- CTLineEndProperties lnEnd = ln.isSetTailEnd() ? ln.getTailEnd() : ln.addNewTailEnd();
- if (style == null) {
- if (lnEnd.isSetType()) lnEnd.unsetType();
- } else {
- lnEnd.setType(STLineEndType.Enum.forInt(style.ordinal() + 1));
- }
- }
-
- public LineDecoration getLineTailDecoration() {
- CTLineProperties ln = getSpPr().getLn();
- if (ln == null || !ln.isSetTailEnd()) return LineDecoration.NONE;
-
- STLineEndType.Enum end = ln.getTailEnd().getType();
- return end == null ? LineDecoration.NONE : LineDecoration.values()[end.intValue() - 1];
- }
-
- /**
- * specifies decorations which can be added to the tail of a line.
- */
- public void setLineTailWidth(LineEndWidth style) {
- CTLineProperties ln = getSpPr().getLn();
- CTLineEndProperties lnEnd = ln.isSetTailEnd() ? ln.getTailEnd() : ln.addNewTailEnd();
- if (style == null) {
- if (lnEnd.isSetW()) lnEnd.unsetW();
- } else {
- lnEnd.setW(STLineEndWidth.Enum.forInt(style.ordinal() + 1));
- }
- }
-
- public LineEndWidth getLineTailWidth() {
- CTLineProperties ln = getSpPr().getLn();
- if (ln == null || !ln.isSetTailEnd()) return LineEndWidth.MEDIUM;
-
- STLineEndWidth.Enum w = ln.getTailEnd().getW();
- return w == null ? LineEndWidth.MEDIUM : LineEndWidth.values()[w.intValue() - 1];
- }
-
- /**
- * Specifies the line end width in relation to the line width.
- */
- public void setLineTailLength(LineEndLength style) {
- CTLineProperties ln = getSpPr().getLn();
- CTLineEndProperties lnEnd = ln.isSetTailEnd() ? ln.getTailEnd() : ln.addNewTailEnd();
-
- if (style == null) {
- if (lnEnd.isSetLen()) lnEnd.unsetLen();
- } else {
- lnEnd.setLen(STLineEndLength.Enum.forInt(style.ordinal() + 1));
- }
- }
-
- public LineEndLength getLineTailLength() {
- CTLineProperties ln = getSpPr().getLn();
- if (ln == null || !ln.isSetTailEnd()) return LineEndLength.MEDIUM;
-
- STLineEndLength.Enum len = ln.getTailEnd().getLen();
- return len == null ? LineEndLength.MEDIUM : LineEndLength.values()[len.intValue() - 1];
- }
-
- Outline getTailDecoration() {
- LineEndLength tailLength = getLineTailLength();
- LineEndWidth tailWidth = getLineTailWidth();
-
- double lineWidth = getLineWidth();
- Rectangle2D anchor = getAnchor();
- double x2 = anchor.getX() + anchor.getWidth(),
- y2 = anchor.getY() + anchor.getHeight();
-
- double alpha = Math.atan(anchor.getHeight() / anchor.getWidth());
-
- AffineTransform at = new AffineTransform();
- Shape shape = null;
- Path p = null;
- Rectangle2D bounds;
- double scaleY = Math.pow(2, tailWidth.ordinal());
- double scaleX = Math.pow(2, tailLength.ordinal());
- switch (getLineTailDecoration()) {
- case OVAL:
- p = new Path();
- shape = new Ellipse2D.Double(0, 0, lineWidth * scaleX, lineWidth * scaleY);
- bounds = shape.getBounds2D();
- at.translate(x2 - bounds.getWidth() / 2, y2 - bounds.getHeight() / 2);
- at.rotate(alpha, bounds.getX() + bounds.getWidth() / 2, bounds.getY() + bounds.getHeight() / 2);
- break;
- case ARROW:
- p = new Path();
- GeneralPath arrow = new GeneralPath();
- arrow.moveTo((float) (-lineWidth * 3), (float) (-lineWidth * 2));
- arrow.lineTo(0, 0);
- arrow.lineTo((float) (-lineWidth * 3), (float) (lineWidth * 2));
- shape = arrow;
- at.translate(x2, y2);
- at.rotate(alpha);
- break;
- case TRIANGLE:
- p = new Path();
- scaleY = tailWidth.ordinal() + 1;
- scaleX = tailLength.ordinal() + 1;
- GeneralPath triangle = new GeneralPath();
- triangle.moveTo((float) (-lineWidth * scaleX), (float) (-lineWidth * scaleY / 2));
- triangle.lineTo(0, 0);
- triangle.lineTo((float) (-lineWidth * scaleX), (float) (lineWidth * scaleY / 2));
- triangle.closePath();
- shape = triangle;
- at.translate(x2, y2);
- at.rotate(alpha);
- break;
- default:
- break;
- }
-
- if (shape != null) {
- shape = at.createTransformedShape(shape);
- }
- return shape == null ? null : new Outline(shape, p);
- }
-
- Outline getHeadDecoration() {
- LineEndLength headLength = getLineHeadLength();
- LineEndWidth headWidth = getLineHeadWidth();
-
- double lineWidth = getLineWidth();
- Rectangle2D anchor = getAnchor();
- double x1 = anchor.getX(),
- y1 = anchor.getY();
-
- double alpha = Math.atan(anchor.getHeight() / anchor.getWidth());
-
- AffineTransform at = new AffineTransform();
- Shape shape = null;
- Path p = null;
- Rectangle2D bounds;
- double scaleY = 1;
- double scaleX = 1;
- switch (getLineHeadDecoration()) {
- case OVAL:
- p = new Path();
- shape = new Ellipse2D.Double(0, 0, lineWidth * scaleX, lineWidth * scaleY);
- bounds = shape.getBounds2D();
- at.translate(x1 - bounds.getWidth() / 2, y1 - bounds.getHeight() / 2);
- at.rotate(alpha, bounds.getX() + bounds.getWidth() / 2, bounds.getY() + bounds.getHeight() / 2);
- break;
- case STEALTH:
- case ARROW:
- p = new Path();
- GeneralPath arrow = new GeneralPath();
- arrow.moveTo((float) (lineWidth * 3 * scaleX), (float) (-lineWidth * scaleY * 2));
- arrow.lineTo(0, 0);
- arrow.lineTo((float) (lineWidth * 3 * scaleX), (float) (lineWidth * scaleY * 2));
- shape = arrow;
- at.translate(x1, y1);
- at.rotate(alpha);
- break;
- case TRIANGLE:
- p = new Path();
- scaleY = headWidth.ordinal() + 1;
- scaleX = headLength.ordinal() + 1;
- GeneralPath triangle = new GeneralPath();
- triangle.moveTo((float) (lineWidth * scaleX), (float) (-lineWidth * scaleY / 2));
- triangle.lineTo(0, 0);
- triangle.lineTo((float) (lineWidth * scaleX), (float) (lineWidth * scaleY / 2));
- triangle.closePath();
- shape = triangle;
- at.translate(x1, y1);
- at.rotate(alpha);
- break;
- default:
- break;
- }
-
- if (shape != null) {
- shape = at.createTransformedShape(shape);
- }
- return shape == null ? null : new Outline(shape, p);
- }
-
- @Override
- List<Outline> getCustomOutlines(){
- List<Outline> lst = new ArrayList<Outline>();
-
- Outline head = getHeadDecoration();
- if(head != null) lst.add(head);
-
- Outline tail = getTailDecoration();
- if(tail != null) lst.add(tail);
- return lst;
- }
-
- /**
- * YK: dashing of lines is suppressed for now.
- * @return
- */
- @Override
- public XSLFShadow getShadow() {
- return null;
- }
- }
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