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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.model;
-
- 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.hslf.usermodel.SlideShow;
-
- /**
- * 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 SlideMaster extends MasterSheet {
- private TextRun[] _runs;
-
- /**
- * all TxMasterStyleAtoms available in this master
- */
- private TxMasterStyleAtom[] _txmaster;
-
- /**
- * Constructs a SlideMaster from the MainMaster record,
- *
- */
- public SlideMaster(MainMaster record, int sheetNo) {
- super(record, sheetNo);
-
- _runs = findTextRuns(getPPDrawing());
- for (int i = 0; i < _runs.length; i++) _runs[i].setSheet(this);
- }
-
- /**
- * Returns an array of all the TextRuns found
- */
- public TextRun[] getTextRuns() {
- return _runs;
- }
-
- /**
- * Returns <code>null</code> since SlideMasters doen't have master sheet.
- */
- public MasterSheet getMasterSheet() {
- return null;
- }
-
- /**
- * Pickup a style attribute from the master.
- * This is the "workhorse" which returns the default style attrubutes.
- */
- public TextProp getStyleAttribute(int txtype, int level, String name, boolean isCharacter) {
-
- TextProp prop = null;
- for (int i = level; i >= 0; i--) {
- TextPropCollection[] styles =
- isCharacter ? _txmaster[txtype].getCharacterStyles() : _txmaster[txtype].getParagraphStyles();
- if (i < styles.length) prop = styles[i].findByName(name);
- if (prop != null) break;
- }
- if (prop == null) {
- if(isCharacter) {
- 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;
- }
- } else {
- 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;
- }
- }
- prop = getStyleAttribute(txtype, level, name, isCharacter);
- }
- return prop;
- }
-
- /**
- * Assign SlideShow for this slide master.
- * (Used interanlly)
- */
- public void setSlideShow(SlideShow ss) {
- super.setSlideShow(ss);
-
- //after the slide show is assigned collect all available style records
- if (_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(_txmaster[txType] == null) _txmaster[txType] = txrec[i];
- }
- }
- }
-
- protected void onAddTextShape(TextShape shape) {
- TextRun run = shape.getTextRun();
-
- if(_runs == null) _runs = new TextRun[]{run};
- else {
- TextRun[] tmp = new TextRun[_runs.length + 1];
- System.arraycopy(_runs, 0, tmp, 0, _runs.length);
- tmp[tmp.length-1] = run;
- _runs = tmp;
- }
- }
-
- public TxMasterStyleAtom[] getTxMasterStyleAtoms(){
- return _txmaster;
- }
- }
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