org.apache.poi.hslf.model.Slide Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of poi-scratchpad Show documentation
Show all versions of poi-scratchpad Show documentation
Apache POI - Java API To Access Microsoft Format Files (Scratchpad)
/* ====================================================================
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.hslf.model;
import java.awt.Graphics2D;
import java.util.LinkedList;
import java.util.List;
import org.apache.poi.ddf.EscherContainerRecord;
import org.apache.poi.ddf.EscherDgRecord;
import org.apache.poi.ddf.EscherDggRecord;
import org.apache.poi.ddf.EscherSpRecord;
import org.apache.poi.hslf.record.ColorSchemeAtom;
import org.apache.poi.hslf.record.Comment2000;
import org.apache.poi.hslf.record.EscherTextboxWrapper;
import org.apache.poi.hslf.record.HeadersFootersContainer;
import org.apache.poi.hslf.record.Record;
import org.apache.poi.hslf.record.RecordContainer;
import org.apache.poi.hslf.record.RecordTypes;
import org.apache.poi.hslf.record.SSSlideInfoAtom;
import org.apache.poi.hslf.record.SlideAtom;
import org.apache.poi.hslf.record.StyleTextProp9Atom;
import org.apache.poi.hslf.record.TextHeaderAtom;
import org.apache.poi.hslf.record.SlideListWithText.SlideAtomsSet;
/**
* This class represents a slide in a PowerPoint Document. It allows
* access to the text within, and the layout. For now, it only does
* the text side of things though
*
* @author Nick Burch
* @author Yegor Kozlov
*/
public final class Slide extends Sheet
{
private int _slideNo;
private SlideAtomsSet _atomSet;
private TextRun[] _runs;
private Notes _notes; // usermodel needs to set this
/**
* Constructs a Slide from the Slide record, and the SlideAtomsSet
* containing the text.
* Initializes TextRuns, to provide easier access to the text
*
* @param slide the Slide record we're based on
* @param notes the Notes sheet attached to us
* @param atomSet the SlideAtomsSet to get the text from
*/
public Slide(org.apache.poi.hslf.record.Slide slide, Notes notes, SlideAtomsSet atomSet, int slideIdentifier, int slideNumber) {
super(slide, slideIdentifier);
_notes = notes;
_atomSet = atomSet;
_slideNo = slideNumber;
// Grab the TextRuns from the PPDrawing
TextRun[] _otherRuns = findTextRuns(getPPDrawing());
// For the text coming in from the SlideAtomsSet:
// Build up TextRuns from pairs of TextHeaderAtom and
// one of TextBytesAtom or TextCharsAtom
final List textRuns = new LinkedList();
if(_atomSet != null) {
findTextRuns(_atomSet.getSlideRecords(),textRuns);
} else {
// No text on the slide, must just be pictures
}
// Build an array, more useful than a vector
_runs = new TextRun[textRuns.size()+_otherRuns.length];
// Grab text from SlideListWithTexts entries
int i=0;
for(i=0; i
* For Slide we need to do the following:
* set id of the drawing group.
* set shapeId for the container descriptor and background
*
*/
public void onCreate(){
//initialize drawing group id
EscherDggRecord dgg = getSlideShow().getDocumentRecord().getPPDrawingGroup().getEscherDggRecord();
EscherContainerRecord dgContainer = (EscherContainerRecord)getSheetContainer().getPPDrawing().getEscherRecords()[0];
EscherDgRecord dg = (EscherDgRecord) Shape.getEscherChild(dgContainer, EscherDgRecord.RECORD_ID);
int dgId = dgg.getMaxDrawingGroupId() + 1;
dg.setOptions((short)(dgId << 4));
dgg.setDrawingsSaved(dgg.getDrawingsSaved() + 1);
dgg.setMaxDrawingGroupId(dgId);
for (EscherContainerRecord c : dgContainer.getChildContainers()) {
EscherSpRecord spr = null;
switch(c.getRecordId()){
case EscherContainerRecord.SPGR_CONTAINER:
EscherContainerRecord dc = (EscherContainerRecord)c.getChild(0);
spr = dc.getChildById(EscherSpRecord.RECORD_ID);
break;
case EscherContainerRecord.SP_CONTAINER:
spr = c.getChildById(EscherSpRecord.RECORD_ID);
break;
}
if(spr != null) spr.setShapeId(allocateShapeId());
}
//PPT doen't increment the number of saved shapes for group descriptor and background
dg.setNumShapes(1);
}
/**
* Create a TextBox object that represents the slide's title.
*
* @return TextBox object that represents the slide's title.
*/
public TextBox addTitle() {
Placeholder pl = new Placeholder();
pl.setShapeType(ShapeTypes.Rectangle);
pl.getTextRun().setRunType(TextHeaderAtom.TITLE_TYPE);
pl.setText("Click to edit title");
pl.setAnchor(new java.awt.Rectangle(54, 48, 612, 90));
addShape(pl);
return pl;
}
// Complex Accesser methods follow
/**
* Return title of this slide or null if the slide does not have title.
*
* The title is a run of text of type TextHeaderAtom.CENTER_TITLE_TYPE or
* TextHeaderAtom.TITLE_TYPE
*
*
* @see TextHeaderAtom
*
* @return title of this slide
*/
public String getTitle(){
TextRun[] txt = getTextRuns();
for (int i = 0; i < txt.length; i++) {
int type = txt[i].getRunType();
if (type == TextHeaderAtom.CENTER_TITLE_TYPE ||
type == TextHeaderAtom.TITLE_TYPE ){
String title = txt[i].getText();
return title;
}
}
return null;
}
// Simple Accesser methods follow
/**
* Returns an array of all the TextRuns found
*/
public TextRun[] getTextRuns() { return _runs; }
/**
* Returns the (public facing) page number of this slide
*/
public int getSlideNumber() { return _slideNo; }
/**
* Returns the underlying slide record
*/
public org.apache.poi.hslf.record.Slide getSlideRecord() {
return (org.apache.poi.hslf.record.Slide)getSheetContainer();
}
/**
* Returns the Notes Sheet for this slide, or null if there isn't one
*/
public Notes getNotesSheet() { return _notes; }
/**
* @return set of records inside SlideListWithtext container
* which hold text data for this slide (typically for placeholders).
*/
protected SlideAtomsSet getSlideAtomsSet() { return _atomSet; }
/**
* Returns master sheet associated with this slide.
* It can be either SlideMaster or TitleMaster objects.
*
* @return the master sheet associated with this slide.
*/
public MasterSheet getMasterSheet(){
SlideMaster[] master = getSlideShow().getSlidesMasters();
SlideAtom sa = getSlideRecord().getSlideAtom();
int masterId = sa.getMasterID();
MasterSheet sheet = null;
for (int i = 0; i < master.length; i++) {
if (masterId == master[i]._getSheetNumber()) {
sheet = master[i];
break;
}
}
if (sheet == null){
TitleMaster[] titleMaster = getSlideShow().getTitleMasters();
if(titleMaster != null) for (int i = 0; i < titleMaster.length; i++) {
if (masterId == titleMaster[i]._getSheetNumber()) {
sheet = titleMaster[i];
break;
}
}
}
return sheet;
}
/**
* Change Master of this slide.
*/
public void setMasterSheet(MasterSheet master){
SlideAtom sa = getSlideRecord().getSlideAtom();
int sheetNo = master._getSheetNumber();
sa.setMasterID(sheetNo);
}
/**
* Sets whether this slide follows master background
*
* @param flag true if the slide follows master,
* false otherwise
*/
public void setFollowMasterBackground(boolean flag){
SlideAtom sa = getSlideRecord().getSlideAtom();
sa.setFollowMasterBackground(flag);
}
/**
* Whether this slide follows master sheet background
*
* @return true if the slide follows master background,
* false otherwise
*/
public boolean getFollowMasterBackground(){
SlideAtom sa = getSlideRecord().getSlideAtom();
return sa.getFollowMasterBackground();
}
/**
* Sets whether this slide draws master sheet objects
*
* @param flag true if the slide draws master sheet objects,
* false otherwise
*/
public void setFollowMasterObjects(boolean flag){
SlideAtom sa = getSlideRecord().getSlideAtom();
sa.setFollowMasterObjects(flag);
}
/**
* Whether this slide follows master color scheme
*
* @return true if the slide follows master color scheme,
* false otherwise
*/
public boolean getFollowMasterScheme(){
SlideAtom sa = getSlideRecord().getSlideAtom();
return sa.getFollowMasterScheme();
}
/**
* Sets whether this slide draws master color scheme
*
* @param flag true if the slide draws master color scheme,
* false otherwise
*/
public void setFollowMasterScheme(boolean flag){
SlideAtom sa = getSlideRecord().getSlideAtom();
sa.setFollowMasterScheme(flag);
}
/**
* Whether this slide draws master sheet objects
*
* @return true if the slide draws master sheet objects,
* false otherwise
*/
public boolean getFollowMasterObjects(){
SlideAtom sa = getSlideRecord().getSlideAtom();
return sa.getFollowMasterObjects();
}
/**
* Background for this slide.
*/
public Background getBackground() {
if(getFollowMasterBackground()) {
return getMasterSheet().getBackground();
}
return super.getBackground();
}
/**
* Color scheme for this slide.
*/
public ColorSchemeAtom getColorScheme() {
if(getFollowMasterScheme()){
return getMasterSheet().getColorScheme();
}
return super.getColorScheme();
}
/**
* Get the comment(s) for this slide.
* Note - for now, only works on PPT 2000 and
* PPT 2003 files. Doesn't work for PPT 97
* ones, as they do their comments oddly.
*/
public Comment[] getComments() {
// If there are any, they're in
// ProgTags -> ProgBinaryTag -> BinaryTagData
RecordContainer progTags = (RecordContainer)
getSheetContainer().findFirstOfType(
RecordTypes.ProgTags.typeID
);
if(progTags != null) {
RecordContainer progBinaryTag = (RecordContainer)
progTags.findFirstOfType(
RecordTypes.ProgBinaryTag.typeID
);
if(progBinaryTag != null) {
RecordContainer binaryTags = (RecordContainer)
progBinaryTag.findFirstOfType(
RecordTypes.BinaryTagData.typeID
);
if(binaryTags != null) {
// This is where they'll be
int count = 0;
for(int i=0; i © 2015 - 2024 Weber Informatics LLC | Privacy Policy