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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.hslf.usermodel;
-
- import java.util.ArrayList;
- import java.util.List;
-
- import org.apache.poi.hslf.exceptions.HSLFException;
- import org.apache.poi.hslf.model.textproperties.TextProp;
- import org.apache.poi.hslf.model.textproperties.TextPropCollection;
- import org.apache.poi.hslf.record.*;
- import org.apache.poi.util.Internal;
-
- /**
- * SlideMaster determines the graphics, layout, and formatting for all the slides in a given presentation.
- * It stores information about default font styles, placeholder sizes and positions,
- * background design, and color schemes.
- *
- * @author Yegor Kozlov
- */
- public final class HSLFSlideMaster extends HSLFMasterSheet {
- private final List<List<HSLFTextParagraph>> _paragraphs = new ArrayList<List<HSLFTextParagraph>>();
-
- /**
- * all TxMasterStyleAtoms available in this master
- */
- private TxMasterStyleAtom[] _txmaster;
-
- /**
- * Constructs a SlideMaster from the MainMaster record,
- *
- */
- public HSLFSlideMaster(MainMaster record, int sheetNo) {
- super(record, sheetNo);
-
- for (List<HSLFTextParagraph> l : HSLFTextParagraph.findTextParagraphs(getPPDrawing(), this)) {
- if (!_paragraphs.contains(l)) _paragraphs.add(l);
- }
- }
-
- /**
- * Returns an array of all the TextRuns found
- */
- public List<List<HSLFTextParagraph>> getTextParagraphs() {
- return _paragraphs;
- }
-
- /**
- * Returns <code>null</code> since SlideMasters doen't have master sheet.
- */
- public HSLFMasterSheet getMasterSheet() {
- return null;
- }
-
- /**
- * Pickup a style attribute from the master.
- * This is the "workhorse" which returns the default style attributes.
- */
- public TextProp getStyleAttribute(int txtype, int level, String name, boolean isCharacter) {
- if (_txmaster.length <= txtype) return null;
- TxMasterStyleAtom t = _txmaster[txtype];
- List<TextPropCollection> styles = isCharacter ? t.getCharacterStyles() : t.getParagraphStyles();
-
- TextProp prop = null;
- for (int i = Math.min(level, styles.size()-1); prop == null && i >= 0; i--) {
- prop = styles.get(i).findByName(name);
- }
-
- if (prop != null) return prop;
-
- switch (txtype) {
- case TextHeaderAtom.CENTRE_BODY_TYPE:
- case TextHeaderAtom.HALF_BODY_TYPE:
- case TextHeaderAtom.QUARTER_BODY_TYPE:
- txtype = TextHeaderAtom.BODY_TYPE;
- break;
- case TextHeaderAtom.CENTER_TITLE_TYPE:
- txtype = TextHeaderAtom.TITLE_TYPE;
- break;
- default:
- return null;
- }
-
- return getStyleAttribute(txtype, level, name, isCharacter);
- }
-
- /**
- * Assign SlideShow for this slide master.
- */
- @Internal
- @Override
- protected void setSlideShow(HSLFSlideShow ss) {
- super.setSlideShow(ss);
-
- //after the slide show is assigned collect all available style records
- assert (_txmaster == null);
- _txmaster = new TxMasterStyleAtom[9];
-
- TxMasterStyleAtom txdoc = getSlideShow().getDocumentRecord().getEnvironment().getTxMasterStyleAtom();
- _txmaster[txdoc.getTextType()] = txdoc;
-
- TxMasterStyleAtom[] txrec = ((MainMaster)getSheetContainer()).getTxMasterStyleAtoms();
- for (int i = 0; i < txrec.length; i++) {
- int txType = txrec[i].getTextType();
- if (txType < _txmaster.length && _txmaster[txType] == null) {
- _txmaster[txType] = txrec[i];
- }
- }
-
- for (List<HSLFTextParagraph> paras : getTextParagraphs()) {
- for (HSLFTextParagraph htp : paras) {
- int txType = htp.getRunType();
- if (txType >= _txmaster.length || _txmaster[txType] == null) {
- throw new HSLFException("Master styles not initialized");
- }
-
- int level = htp.getIndentLevel();
-
- List<TextPropCollection> charStyles = _txmaster[txType].getCharacterStyles();
- List<TextPropCollection> paragraphStyles = _txmaster[txType].getParagraphStyles();
- if (charStyles == null || paragraphStyles == null ||
- charStyles.size() <= level || paragraphStyles.size() <= level) {
- throw new HSLFException("Master styles not initialized");
- }
-
- htp.setMasterStyleReference(paragraphStyles.get(level));
- for (HSLFTextRun htr : htp.getTextRuns()) {
- htr.setMasterStyleReference(charStyles.get(level));
- }
- }
- }
- }
-
- protected void onAddTextShape(HSLFTextShape shape) {
- List<HSLFTextParagraph> runs = shape.getTextParagraphs();
- _paragraphs.add(runs);
- }
-
- public TxMasterStyleAtom[] getTxMasterStyleAtoms(){
- return _txmaster;
- }
- }
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