poi/src/java/org/apache/poi/ss/usermodel/CellStyle.java

/* ====================================================================
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   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

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   distributed under the License is distributed on an "AS IS" BASIS,
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   See the License for the specific language governing permissions and
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package org.apache.poi.ss.usermodel;

import org.apache.poi.util.Removal;

public interface CellStyle {

    /**
     * get the index within the Workbook (sequence within the collection of ExtnededFormat objects)
     * @return unique index number of the underlying record this style represents (probably you don't care
     *  unless you're comparing which one is which)
     */
    short getIndex();

    /**
     * set the data format (must be a valid format). Built in formats are defined at {@link BuiltinFormats}.
     * @see DataFormat
     */
    void setDataFormat(short fmt);

    /**
     * get the index of the data format. Built in formats are defined at {@link BuiltinFormats}.
     * @see DataFormat
     */
    short getDataFormat();

    /**
     * Get the format string
     */
    String getDataFormatString();

    /**
     * set the font for this style
     * @param font  a font object created or retrieved from the Workbook object
     * @see Workbook#createFont()
     * @see Workbook#getFontAt(int)
     */
    void setFont(Font font);

    /**
     * gets the index of the font for this style
     * @see Workbook#getFontAt(int)
     * @since 5.0.0 (used to return a short value)
     */
    int getFontIndex();

    /**
     * gets the index of the font for this style
     * @see Workbook#getFontAt(int)
     * @deprecated use {@link #getFontIndex()} instead
     * @since 4.0.0
     */
    @Deprecated
    @Removal(version = "6.0.0")
    int getFontIndexAsInt();

    /**
     * set the cell's using this style to be hidden
     * @param hidden - whether the cell using this style should be hidden
     */
    void setHidden(boolean hidden);

    /**
     * get whether the cell's using this style are to be hidden
     * @return hidden - whether the cell using this style should be hidden
     */
    boolean getHidden();

    /**
     * set the cell's using this style to be locked
     * @param locked - whether the cell using this style should be locked
     */
    void setLocked(boolean locked);

    /**
     * get whether the cell's using this style are to be locked
     * @return hidden - whether the cell using this style should be locked
     */
    boolean getLocked();
    
    /**
     * Turn on or off "Quote Prefix" or "123 Prefix" for the style,
     *  which is used to tell Excel that the thing which looks like
     *  a number or a formula shouldn't be treated as on.
     * Turning this on is somewhat (but not completely, see {@link IgnoredErrorType})
     *  like prefixing the cell value with a ' in Excel
     */
    void setQuotePrefixed(boolean quotePrefix);
    
    /**
     * Is "Quote Prefix" or "123 Prefix" enabled for the cell?
     * Having this on is somewhat (but not completely, see {@link IgnoredErrorType})
     *  like prefixing the cell value with a ' in Excel
     */
    boolean getQuotePrefixed();

    /**
     * set the type of horizontal alignment for the cell
     * @param align - the type of alignment
     */
    void setAlignment(HorizontalAlignment align);

    /**
     * get the type of horizontal alignment for the cell
     * @return align - the type of alignment
     */
    HorizontalAlignment getAlignment();

    /**
     * Set whether the text should be wrapped.
     * Setting this flag to <code>true</code> make all content visible
     * within a cell by displaying it on multiple lines
     *
     * @param wrapped  wrap text or not
     */
    void setWrapText(boolean wrapped);

    /**
     * get whether the text should be wrapped
     * @return wrap text or not
     */
    boolean getWrapText();

    /**
     * set the type of vertical alignment for the cell
     * @param align the type of alignment
     */
    void setVerticalAlignment(VerticalAlignment align);

    /**
     * get the type of vertical alignment for the cell
     * @return align the type of alignment
     */
    VerticalAlignment getVerticalAlignment();

    /**
     * set the degree of rotation for the text in the cell.
     *
     * Note: HSSF uses values from -90 to 90 degrees, whereas XSSF 
     * uses values from 0 to 180 degrees. The implementations of this method will map between these two value-ranges 
     * accordingly, however the corresponding getter is returning values in the range mandated by the current type
     * of Excel file-format that this CellStyle is applied to.
     *
     * @param rotation degrees (see note above)
     */
    void setRotation(short rotation);

    /**
     * get the degree of rotation for the text in the cell.
     *
     * Note: HSSF uses values from -90 to 90 degrees, whereas XSSF 
     * uses values from 0 to 180 degrees. The implementations of this method will map between these two value-ranges 
     * value-range as used by the type of Excel file-format that this CellStyle is applied to.
     *
     * @return rotation degrees (see note above)
     */
    short getRotation();

    /**
     * set the number of spaces to indent the text in the cell
     * @param indent - number of spaces
     */
    void setIndention(short indent);

    /**
     * get the number of spaces to indent the text in the cell
     * @return indent - number of spaces
     */
    short getIndention();

    /**
     * set the type of border to use for the left border of the cell
     * @param border type
     * @since POI 3.15
     */
    void setBorderLeft(BorderStyle border);

    /**
     * get the type of border to use for the left border of the cell
     * @return border type
     * @since POI 4.0.0
     */
    BorderStyle getBorderLeft();

    /**
     * set the type of border to use for the right border of the cell
     * @param border type
     * @since POI 3.15
     */
    void setBorderRight(BorderStyle border);

    /**
     * get the type of border to use for the right border of the cell
     * @return border type
     * @since POI 4.0.0
     */
    BorderStyle getBorderRight();

    /**
     * set the type of border to use for the top border of the cell
     * @param border type
     * @since POI 3.15
     */
    void setBorderTop(BorderStyle border);

    /**
     * get the type of border to use for the top border of the cell
     * @return border type
     * @since POI 4.0.0
     */
    BorderStyle getBorderTop();

    /**
     * set the type of border to use for the bottom border of the cell
     * @param border type
     * @since POI 3.15
     */
    void setBorderBottom(BorderStyle border);

    /**
     * get the type of border to use for the bottom border of the cell
     * @return border type
     * @since POI 4.0.0
     */
    BorderStyle getBorderBottom();

    /**
     * set the color to use for the left border
     * @param color The index of the color definition
     */
    void setLeftBorderColor(short color);

    /**
     * get the color to use for the left border
     */
    short getLeftBorderColor();

    /**
     * set the color to use for the right border
     * @param color The index of the color definition
     */
    void setRightBorderColor(short color);

    /**
     * get the color to use for the left border
     * @return the index of the color definition
     */
    short getRightBorderColor();

    /**
     * set the color to use for the top border
     * @param color The index of the color definition
     */
    void setTopBorderColor(short color);

    /**
     * get the color to use for the top border
     * @return the index of the color definition
     */
    short getTopBorderColor();

    /**
     * set the color to use for the bottom border
     * @param color The index of the color definition
     */
    void setBottomBorderColor(short color);

    /**
     * get the color to use for the left border
     * @return the index of the color definition
     */
    short getBottomBorderColor();

    /**
     * setting to one fills the cell with the foreground color... No idea about
     * other values
     *
     * @param fp  fill pattern (set to {@link FillPatternType#SOLID_FOREGROUND} to fill w/foreground color)
     * @since POI 3.15 beta 3
     */
    void setFillPattern(FillPatternType fp);

    /**
     * Get the fill pattern
     *
     * @return the fill pattern, default value is {@link FillPatternType#NO_FILL}
     * @since POI 4.0.0
     */
    FillPatternType getFillPattern();

    /**
     * set the background fill color.
     *
     * @param bg  color
     */
    void setFillBackgroundColor(short bg);

    /**
     * get the background fill color, if the fill
     *  is defined with an indexed color.
     * @return fill color index, or 0 if not indexed (XSSF only)
     */
    short getFillBackgroundColor();
    
    /**
     * Gets the color object representing the current
     *  background fill, resolving indexes using
     *  the supplied workbook.
     * This will work for both indexed and rgb
     *  defined colors. 
     */
    Color getFillBackgroundColorColor();

    /**
     * set the foreground fill color
     * <i>Note: Ensure Foreground color is set prior to background color.</i>
     * @param bg  color
     */
    void setFillForegroundColor(short bg);

    /**
     * get the foreground fill color, if the fill  
     *  is defined with an indexed color.
     * @return fill color, or 0 if not indexed (XSSF only)
     */
    short getFillForegroundColor();
    
    /**
     * Gets the color object representing the current
     *  foreground fill, resolving indexes using
     *  the supplied workbook.
     * This will work for both indexed and rgb
     *  defined colors. 
     */
    Color getFillForegroundColorColor();

    /**
     * Clones all the style information from another
     *  CellStyle, onto this one. This 
     *  CellStyle will then have all the same
     *  properties as the source, but the two may
     *  be edited independently.
     * Any stylings on this CellStyle will be lost! 
     *  
     * The source CellStyle could be from another
     *  Workbook if you like. This allows you to
     *  copy styles from one Workbook to another.
     *
     * However, both of the CellStyles will need
     *  to be of the same type (HSSFCellStyle or
     *  XSSFCellStyle)
     */
    void cloneStyleFrom(CellStyle source);
    
    /**
     * Controls if the Cell should be auto-sized
     *  to shrink to fit if the text is too long
     */
    void setShrinkToFit(boolean shrinkToFit);

    /**
     * Should the Cell be auto-sized by Excel to shrink
     *  it to fit if this text is too long?
     */
    boolean getShrinkToFit();
}