88 lines
3.0 KiB
Java
88 lines
3.0 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.poi.hslf.model;
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import org.apache.poi.hslf.record.SheetContainer;
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import org.apache.poi.hslf.record.Record;
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import org.apache.poi.hslf.record.RecordTypes;
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import org.apache.poi.hslf.model.textproperties.TextProp;
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/**
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* The superclass of all master sheets - Slide masters, Notes masters, etc.
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*
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* For now it's empty. When we understand more about masters in ppt we will add the common functionality here.
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*
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* @author Yegor Kozlov
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*/
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public abstract class MasterSheet extends Sheet {
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public MasterSheet(SheetContainer container, int sheetNo){
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super(container, sheetNo);
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}
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/**
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* Pickup a style attribute from the master.
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* This is the "workhorse" which returns the default style attrubutes.
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*/
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public abstract TextProp getStyleAttribute(int txtype, int level, String name, boolean isCharacter) ;
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/**
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* Checks if the shape is a placeholder.
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* (placeholders aren't normal shapes, they are visible only in the Edit Master mode)
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*
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*
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* @return true if the shape is a placeholder
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*/
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public static boolean isPlaceholder(Shape shape){
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if(!(shape instanceof TextShape)) return false;
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TextShape tx = (TextShape)shape;
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TextRun run = tx.getTextRun();
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if(run == null) return false;
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Record[] records = run._records;
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for (int i = 0; i < records.length; i++) {
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int type = (int)records[i].getRecordType();
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if (type == RecordTypes.BaseTextPropAtom.typeID ||
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type == RecordTypes.DateTimeMCAtom.typeID ||
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type == RecordTypes.GenericDateMCAtom.typeID ||
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type == RecordTypes.FooterMCAtom.typeID ||
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type == RecordTypes.SlideNumberMCAtom.typeID
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) return true;
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}
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return false;
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}
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/**
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* Return placeholder by text type
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*/
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public TextShape getPlaceholder(int type){
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Shape[] shape = getShapes();
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for (int i = 0; i < shape.length; i++) {
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if(shape[i] instanceof TextShape){
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TextShape tx = (TextShape)shape[i];
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TextRun run = tx.getTextRun();
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if(run != null && run.getRunType() == type){
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return tx;
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}
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}
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}
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return null;
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}
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}
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