org.odftoolkit.simple.table.CellStyleHandler Maven / Gradle / Ivy
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to you under the Apache License, Version 2.0 (the
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specific language governing permissions and limitations
under the License.
*/
package org.odftoolkit.simple.table;
import java.util.Locale;
import org.odftoolkit.odfdom.dom.element.OdfStyleBase;
import org.odftoolkit.odfdom.dom.element.table.TableTableCellElementBase;
import org.odftoolkit.odfdom.dom.style.OdfStyleFamily;
import org.odftoolkit.odfdom.incubator.doc.office.OdfOfficeAutomaticStyles;
import org.odftoolkit.odfdom.incubator.doc.style.OdfDefaultStyle;
import org.odftoolkit.odfdom.incubator.doc.style.OdfStyle;
import org.odftoolkit.odfdom.type.Color;
import org.odftoolkit.simple.Document;
import org.odftoolkit.simple.Document.ScriptType;
import org.odftoolkit.simple.style.Border;
import org.odftoolkit.simple.style.DefaultStyleHandler;
import org.odftoolkit.simple.style.Font;
import org.odftoolkit.simple.style.ParagraphProperties;
import org.odftoolkit.simple.style.StyleTypeDefinitions;
import org.odftoolkit.simple.style.TableCellProperties;
import org.odftoolkit.simple.style.TextProperties;
import org.odftoolkit.simple.style.StyleTypeDefinitions.CellBordersType;
import org.odftoolkit.simple.style.StyleTypeDefinitions.FontStyle;
import org.odftoolkit.simple.style.StyleTypeDefinitions.HorizontalAlignmentType;
import org.odftoolkit.simple.style.StyleTypeDefinitions.TextLinePosition;
import org.odftoolkit.simple.style.StyleTypeDefinitions.VerticalAlignmentType;
/**
* This class provides functions to handle the style of a cell.
*
*
* This class provides functions to handle the border settings, font settings,
* text alignment settings and so on.
*
* @since 0.3
*/
public class CellStyleHandler extends DefaultStyleHandler {
Cell mCell;
TableTableCellElementBase mCellElement;
TextProperties mTextProperties;
TextProperties mWritableTextProperties;
TableCellProperties mTableCellProperties;
TableCellProperties mWritableTableCellProperties;
ParagraphProperties mParagraphProperties;
ParagraphProperties mWritableParagraphProperties;
CellStyleHandler(Cell aCell) {
super(aCell.getOdfElement());
mCell = aCell;
mCellElement = (TableTableCellElementBase) mCell.getOdfElement();
}
private boolean isShared = false;
/**
* Return the used style name of this cell.
*
* If there is no style name defined for cell, the attribute
* "table:default-cell-style-name" in table row and table column would be
* returned.
*/
@Override
public String getUsedStyleName() {
String styleName = mCellElement.getStyleName();
if (styleName == null || (styleName.equals(""))) { // search in row
Row aRow = mCell.getTableRow();
styleName = aRow.getOdfElement().getTableDefaultCellStyleNameAttribute();
isShared = true;
}
if (styleName == null || (styleName.equals(""))) { // search in column
Column aColumn = mCell.getTableColumn();
styleName = aColumn.getOdfElement().getTableDefaultCellStyleNameAttribute();
isShared = true;
}
return styleName;
}
/**
* Return the style element for this cell, for read and write functions.
*
* An empty style definition will be created if there is no style
* definition.
*
* @return the style element
*/
@Override
public OdfStyle getStyleElementForWrite() {
if (mWritableStyleElement != null)
return mWritableStyleElement;
mCell.splitRepeatedCells();
mCellElement = (TableTableCellElementBase) mCell.getOdfElement();
mOdfElement = mCellElement; // note here: mOdfElement in
// DefaultStyleHandler must be updated at
// the same time
String styleName = getUsedStyleName();
mWritableStyleElement = getWritableStyleElementByName(styleName, isShared);
return mWritableStyleElement;
}
private OdfDefaultStyle getCellDefaultStyle() {
return mDocument.getDocumentStyles().getDefaultStyle(OdfStyleFamily.TableCell);
}
private OdfDefaultStyle getParagraphDefaultStyle() {
return mDocument.getDocumentStyles().getDefaultStyle(OdfStyleFamily.Paragraph);
}
private OdfStyleBase getParentStyle(OdfStyle aStyle) {
String parentName = aStyle.getStyleParentStyleNameAttribute();
if (parentName == null || parentName.length() == 0)
return null;
if (parentName.equals("Default"))
return getCellDefaultStyle();
else
return getStyleByName(parentName);
}
private OdfStyle getStyleByName(String name) {
OdfStyle styleElement = null;
OdfOfficeAutomaticStyles styles = mCellElement.getAutomaticStyles();
styleElement = styles.getStyle(name, OdfStyleFamily.TableCell);
if (styleElement == null) {
styleElement = mDocument.getDocumentStyles().getStyle(name, OdfStyleFamily.TableCell);
}
return styleElement;
}
private OdfStyleBase getCurrentUsedStyle() {
if (mWritableStyleElement != null)
return mWritableStyleElement;
else
return mStyleElement;
}
/**
* Return the country information for a specific script type
*
* The country information in its parent style and default style will be
* taken into considered.
*
* Null will be returned if there is no country information for this script
* type.
*
* @param type
* - script type
* @return the country information for a specific script type
*/
public String getCountry(ScriptType type) {
String country = null;
TextProperties textProperties = getTextPropertiesForRead();
if (textProperties != null)
country = textProperties.getCountry(type);
if (country != null && country.length() > 0)
return country;
boolean isDefault = isUseDefaultStyle;
OdfStyleBase parentStyle = null;
if (!isDefault)
parentStyle = getParentStyle((OdfStyle) getCurrentUsedStyle());
while ((!isDefault) && (parentStyle != null)) {
TextProperties parentStyleSetting = TextProperties.getTextProperties(parentStyle);
country = parentStyleSetting.getCountry(type);
if (country != null && country.length() > 0)
return country;
if (parentStyle instanceof OdfDefaultStyle)
isDefault = true;
else
parentStyle = getParentStyle((OdfStyle) parentStyle);
}
if (!isDefault) {
OdfDefaultStyle defaultStyle = getCellDefaultStyle();
TextProperties defaultStyleSetting = TextProperties.getTextProperties(defaultStyle);
country = defaultStyleSetting.getCountry(type);
}
return country;
}
private void mergeFont(Font target, Font source) {
// merge font
if (target.getFamilyName() == null && source.getFamilyName() != null)
target.setFamilyName(source.getFamilyName());
if (target.getColor() == null && source.getColor() != null)
target.setColor(source.getColor());
if (target.getSize() == 0 && source.getSize() > 0)
target.setSize(source.getSize());
if (target.getFontStyle() == null && source.getFontStyle() != null)
target.setFontStyle(source.getFontStyle());
if (target.getTextLinePosition() == null && source.getTextLinePosition() != null)
target.setTextLinePosition(source.getTextLinePosition());
}
/**
* Return the font definition for a specific script type.
*
* The font definition in its parent style and default style will be taken
* into considered.
*
* A default font definition will be returned if there is no font definition
* for this script type at all.
*
* @param type
* - script type
* @return the font definition for a specific script type
*/
public Font getFont(ScriptType type) {
// A font includes font family name, font style, font color, font size
Font font = null;
TextProperties textProperties = getTextPropertiesForRead();
if (textProperties != null)
font = textProperties.getFont(type);
else
font = new Font(null, null, 0, (StyleTypeDefinitions.TextLinePosition) null);
if (font != null && font.getFamilyName() != null && font.getColor() != null && font.getSize() != 0
&& font.getFontStyle() != null && font.getTextLinePosition() != null)
return font;
boolean isDefault = isUseDefaultStyle;
OdfStyleBase parentStyle = null;
if (!isDefault)
parentStyle = getParentStyle((OdfStyle) getCurrentUsedStyle());
while ((!isDefault) && (parentStyle != null)) {
TextProperties parentStyleSetting = TextProperties.getTextProperties(parentStyle);
Font tempFont = parentStyleSetting.getFont(type);
mergeFont(font, tempFont);
if (font.getFamilyName() != null && font.getColor() != null && font.getSize() > 0
&& font.getFontStyle() != null && font.getTextLinePosition() != null) {
return font;
}
// continue to get parent properties
if (parentStyle instanceof OdfDefaultStyle)
isDefault = true;
else
parentStyle = getParentStyle((OdfStyle) parentStyle);
}
if (!isDefault) {
OdfDefaultStyle defaultStyle = getCellDefaultStyle();
// For text document, there is no default table cell style.
// So use default font style in default paragraph style.
if (defaultStyle == null) {
defaultStyle = getParagraphDefaultStyle();
}
if (defaultStyle != null) {
TextProperties defaultStyleSetting = TextProperties.getTextProperties(defaultStyle);
Font tempFont = defaultStyleSetting.getFont(type);
mergeFont(font, tempFont);
}
}
if (font.getColor() == null)
font.setColor(Color.BLACK);
if (font.getFontStyle() == null)
font.setFontStyle(FontStyle.REGULAR);
if (font.getTextLinePosition() == null)
font.setTextLinePosition(TextLinePosition.REGULAR);
return font;
}
/**
* Return the language information for a specific script type
*
* The language definition in its parent style and default style will be
* taken into considered.
*
* Null will be returned if there is no language information for this script
* type at all.
*
* @param type
* - script type
* @return the language information for a specific script type
*/
public String getLanguage(ScriptType type) {
String language = null;
TextProperties textProperties = getTextPropertiesForRead();
if (textProperties != null)
language = textProperties.getLanguage(type);
if (language != null && language.length() > 0)
return language;
boolean isDefault = isUseDefaultStyle;
OdfStyleBase parentStyle = null;
if (!isDefault)
parentStyle = getParentStyle((OdfStyle) getCurrentUsedStyle());
while ((!isDefault) && (parentStyle != null)) {
TextProperties parentStyleSetting = TextProperties.getTextProperties(parentStyle);
language = parentStyleSetting.getLanguage(type);
if (language != null && language.length() > 0)
return language;
if (parentStyle instanceof OdfDefaultStyle)
isDefault = true;
else
parentStyle = getParentStyle((OdfStyle) parentStyle);
}
if (!isDefault) {
OdfDefaultStyle defaultStyle = getCellDefaultStyle();
TextProperties defaultStyleSetting = TextProperties.getTextProperties(defaultStyle);
language = defaultStyleSetting.getLanguage(type);
}
return language;
}
/**
* Set the country information for a specific script type
*
* The consistency between country and script type is not verified.
*
* If the parameter country is null, the country information
* for this script type will be removed.
*
* @param country
* - the country information
* @param type
* - script type
* @see TextProperties#setCountry(String, Document.ScriptType)
* @see org.odftoolkit.simple.Document.ScriptType
*/
public void setCountry(String country, ScriptType type) {
getTextPropertiesForWrite().setCountry(country, type);
}
/**
* Set the font definition. The locale information in font definition will
* be used to justify the script type.
*
* If the parameter font is null, nothing will be happened.
*
* @param font
* - font definition
*/
public void setFont(Font font) {
getTextPropertiesForWrite().setFont(font);
}
/**
* Set the font definition. The locale information in font definition will
* be used to justify the script type.
*
* If the parameter font is null, nothing will be happened.
*
* @param font
* - font definition
*/
public void setFont(Font font, Locale language) {
getTextPropertiesForWrite().setFont(font, language);
}
/**
* Set the language information for a specific script type
*
* If the parameter language is null, the language information
* for this script type will be removed.
*
* @param language
* - the language information
* @param type
* - script type
*/
public void setLanguage(String language, ScriptType type) {
getTextPropertiesForWrite().setLanguage(language, type);
}
/**
* Return the background color.
*
* The background color in its parent style and default style will be taken
* into considered.
*
* Color WHITE will be returned if there is no the background color
* definition or the background color definition is not valid.
*
* @return the background color
*/
public Color getBackgroundColor() {
Color tempColor = null;
TableCellProperties properties = getTableCellPropertiesForRead();
if (properties != null)
tempColor = properties.getBackgroundColor();
if (tempColor != null)
return tempColor;
boolean isDefault = isUseDefaultStyle;
// find in parent style definition
OdfStyleBase parentStyle = null;
if (!isDefault)
parentStyle = getParentStyle((OdfStyle) getCurrentUsedStyle());
while ((!isDefault) && (parentStyle != null)) {
TableCellProperties parentStyleSetting = TableCellProperties.getTableCellProperties(parentStyle);
tempColor = parentStyleSetting.getBackgroundColor();
if (tempColor != null)
return tempColor;
if (parentStyle instanceof OdfDefaultStyle)
isDefault = true;
else
parentStyle = getParentStyle((OdfStyle) parentStyle);
}
// find in default style definition
if (!isDefault) {
OdfDefaultStyle defaultStyle = getCellDefaultStyle();
TableCellProperties defaultStyleSetting = TableCellProperties.getTableCellProperties(defaultStyle);
tempColor = defaultStyleSetting.getBackgroundColor();
}
// use default
if (tempColor == null)
return Color.WHITE;
return tempColor;
}
private Border getNullableBorder(TableCellProperties properties, CellBordersType type) {
switch (type) {
case LEFT:
return properties.getLeftBorder();
case RIGHT:
return properties.getRightBorder();
case TOP:
return properties.getTopBorder();
case BOTTOM:
return properties.getBottomBorder();
case DIAGONALBLTR:
return properties.getDiagonalBlTr();
case DIAGONALTLBR:
return properties.getDiagonalTlBr();
default:
throw new IllegalArgumentException("Only border type with a single border is accepted.");
}
}
/**
* Return the border setting for a specific border.
*
* The accepted parameter can be TOP,BOTTOM,LEFT,RIGHT,DIAGONALBLTR and
* DIAGONALTLBR.
*
* The border type with a collection of borders, e.g. ALL_FOUR, LEFT_RIGHT,
* are not legal arguments
*
* The border definition in its parent style and default style will be taken
* into considered.
*
* Border.NONE will be returned if there is no the border
* definition for a specific border.
*
* @param type
* - the border type which describes a single border
* @return the border setting
*/
public Border getBorder(CellBordersType type) {
Border tempBorder = null;
TableCellProperties properties = getTableCellPropertiesForRead();
if (properties != null) {
tempBorder = getNullableBorder(properties, type);
}
if (tempBorder != null)
return tempBorder;
boolean isDefault = isUseDefaultStyle;
// find in parent style definition
OdfStyleBase parentStyle = null;
if (!isDefault)
parentStyle = getParentStyle((OdfStyle) getCurrentUsedStyle());
while ((!isDefault) && (parentStyle != null)) {
TableCellProperties parentStyleSetting = TableCellProperties.getTableCellProperties(parentStyle);
tempBorder = getNullableBorder(parentStyleSetting, type);
;
if (tempBorder != null)
return tempBorder;
if (parentStyle instanceof OdfDefaultStyle)
isDefault = true;
else
parentStyle = getParentStyle((OdfStyle) parentStyle);
}
// find in default style definition
if (!isDefault) {
OdfDefaultStyle defaultStyle = getCellDefaultStyle();
TableCellProperties defaultStyleSetting = TableCellProperties.getTableCellProperties(defaultStyle);
tempBorder = getNullableBorder(defaultStyleSetting, type);
}
// use default
if (tempBorder == null) {
return Border.NONE;
}
return tempBorder;
}
/**
* Return the vertical alignment.
*
* If there is no vertical alignment definition, DEFAULT will be returned.
*
* The vertical alignment definition in its parent style and default style
* will be taken into considered.
*
* @return the vertical alignment
*/
public VerticalAlignmentType getVerticalAlignment() {
VerticalAlignmentType tempAlign = null;
TableCellProperties properties = getTableCellPropertiesForRead();
if (properties != null) {
tempAlign = properties.getVerticalAlignment();
}
if (tempAlign != null)
return tempAlign;
boolean isDefault = isUseDefaultStyle;
// find in parent style definition
OdfStyleBase parentStyle = null;
if (!isDefault)
parentStyle = getParentStyle((OdfStyle) getCurrentUsedStyle());
while ((!isDefault) && (parentStyle != null)) {
TableCellProperties parentStyleSetting = TableCellProperties.getTableCellProperties(parentStyle);
tempAlign = parentStyleSetting.getVerticalAlignment();
if (tempAlign != null)
return tempAlign;
if (parentStyle instanceof OdfDefaultStyle)
isDefault = true;
else
parentStyle = getParentStyle((OdfStyle) parentStyle);
}
// find in default style definition
if (!isDefault) {
OdfDefaultStyle defaultStyle = getCellDefaultStyle();
TableCellProperties defaultStyleSetting = TableCellProperties.getTableCellProperties(defaultStyle);
tempAlign = defaultStyleSetting.getVerticalAlignment();
}
// use default
if (tempAlign == null) {
return VerticalAlignmentType.DEFAULT;
}
return tempAlign;
}
/**
* Return the wrap option of this cell.
*
* The wrap option definition in its parent style and default style will be
* taken into considered.
*
* @return true if the cell content can be wrapped;
*
* false if the cell content cannot be wrapped.
*/
public boolean isTextWrapped() {
Boolean tempBool = null;
TableCellProperties properties = getTableCellPropertiesForRead();
if (properties != null)
tempBool = properties.isWrapped();
if (tempBool != null)
return tempBool.booleanValue();
boolean isDefault = isUseDefaultStyle;
// find in parent style definition
OdfStyleBase parentStyle = null;
if (!isDefault)
parentStyle = getParentStyle((OdfStyle) getCurrentUsedStyle());
while ((!isDefault) && (parentStyle != null)) {
TableCellProperties parentStyleSetting = TableCellProperties.getTableCellProperties(parentStyle);
tempBool = parentStyleSetting.isWrapped();
if (tempBool != null)
return tempBool;
if (parentStyle instanceof OdfDefaultStyle)
isDefault = true;
else
parentStyle = getParentStyle((OdfStyle) parentStyle);
}
// find in default style definition
if (!isDefault) {
OdfDefaultStyle defaultStyle = getCellDefaultStyle();
TableCellProperties defaultStyleSetting = TableCellProperties.getTableCellProperties(defaultStyle);
tempBool = defaultStyleSetting.isWrapped();
}
// use default
if (tempBool == null)
return false;
return tempBool.booleanValue();
}
/**
* Set the background color of this cell.
*
* @param color
* - the background color that need to set. If color
* is null, background color setting will be removed.
*/
public void setBackgroundColor(Color color) {
getTableCellPropertiesForWrite().setBackgroundColor(color);
}
/**
* Set the border style of this cell. You can set the border style for a
* single border or a border collection.
*
* The second parameter bordersType describes which borders you
* want to apply the style to, e.g. up border, bottom border, left border,
* right border, diagonal lines or four borders.
*
* @param border
* - the border style description
* @param bordersType
* - the type of the borders
*/
public void setBorders(Border border, CellBordersType bordersType) {
getTableCellPropertiesForWrite().setBorders(bordersType, border);
}
/**
* Set the vertical alignment setting of this cell.
*
* If the alignment is set as Default or null, the explicit vertical
* alignment setting is removed.
*
* @param alignType
* - the vertical alignment setting.
*/
public void setVerticalAlignment(VerticalAlignmentType alignType) {
getTableCellPropertiesForWrite().setVerticalAlignment(alignType);
}
/**
* Set the wrap option of this cell.
*
* @param isWrapped
* - whether the cell content can be wrapped or not
*/
public void setTextWrapped(boolean isWrapped) {
getTableCellPropertiesForWrite().setWrapped(isWrapped);
}
/**
* Set the horizontal alignment.
*
* If the parameter alignType is null, the horizontal alignment
* setting will be removed.
*
* @param alignType
* - the horizontal alignment
*/
public void setHorizontalAlignment(HorizontalAlignmentType alignType) {
getParagraphPropertiesForWrite().setHorizontalAlignment(alignType);
}
/**
* Return the horizontal alignment.
*
* The horizontal alignment in its parent style and default style will be
* taken into considered.
*
* DEFAULT will be returned if there is no horizontal alignment setting.
*
* @return - the horizontal alignment; null if there is no horizontal
* alignment setting.
*/
public HorizontalAlignmentType getHorizontalAlignment() {
HorizontalAlignmentType tempAlign = null;
ParagraphProperties properties = getParagraphPropertiesForRead();
if (properties != null)
tempAlign = properties.getHorizontalAlignment();
if (tempAlign != null)
return tempAlign;
boolean isDefault = isUseDefaultStyle;
// find in parent style definition
OdfStyleBase parentStyle = null;
if (!isDefault)
parentStyle = getParentStyle((OdfStyle) getCurrentUsedStyle());
while ((!isDefault) && (parentStyle != null)) {
ParagraphProperties parentStyleSetting = ParagraphProperties.getParagraphProperties(parentStyle);
tempAlign = parentStyleSetting.getHorizontalAlignment();
if (tempAlign != null)
return tempAlign;
if (parentStyle instanceof OdfDefaultStyle)
isDefault = true;
else
parentStyle = getParentStyle((OdfStyle) parentStyle);
}
// find in default style definition
if (!isDefault) {
OdfDefaultStyle defaultStyle = getCellDefaultStyle();
ParagraphProperties defaultStyleSetting = ParagraphProperties.getParagraphProperties(defaultStyle);
tempAlign = defaultStyleSetting.getHorizontalAlignment();
}
// use default
if (tempAlign == null)
return HorizontalAlignmentType.DEFAULT;
return tempAlign;
}
}