net.sf.jett.tag
Class CommentTag

java.lang.Object
  net.sf.jett.tag.BaseTag
      net.sf.jett.tag.CommentTag

All Implemented Interfaces:

Tag

public class CommentTag
extends BaseTag

A CommentTag represents a Cell that needs to have an Excel Comment attached to it. It controls Comment properties such author, the Rich Text string comment, and whether the Comment is initially visible.

This tag uses the POI method createDrawingPatriarch to create an Excel comment on the Cell on which the tag is located. The POI documentation warns of corrupting other "drawings" such as charts and "complex" drawings when calling getDrawingPatriarch (HSSF code). When testing both .xls and .xlsx template spreadsheets, it appears that drawings and charts do get corrupted in .xls spreadsheets, but they do NOT get corrupted in .xlsx spreadsheets.

Attributes:

• Inherits all attributes from BaseTag.
• value (required): RichTextString
• author (required): String
• comment (required): RichTextString
• visible (optional): boolean

Since:

0.2.0

Author:

Randy Gettman

Field Summary

static java.lang.String	ATTR_AUTHOR Attribute that specifies the author of the Comment to be created.
static java.lang.String	ATTR_COMMENT Attribute that specifies the comment text.
static java.lang.String	ATTR_VALUE Attribute that specifies the value of the Cell itself after transformation.
static java.lang.String	ATTR_VISIBLE Attribute that specifies whether the comment is initially visible.

Fields inherited from class net.sf.jett.tag.BaseTag

ATTR_ON_PROCESSED, SPEC_SEP

Constructor Summary

CommentTag()

Method Summary

java.lang.String	getName() Returns this Tag's name.
protected java.util.List<java.lang.String>	getOptionalAttributes() Returns a List of optional attribute names.
protected java.util.List<java.lang.String>	getRequiredAttributes() Returns a List of required attribute names.
boolean	process() Place the "value" attribute in the cell, and the rest of the attributes control the creation of a cell comment.
void	validateAttributes() Validates the attributes for this Tag.

Methods inherited from class net.sf.jett.tag.BaseTag

checkAttributes, clearBlock, deleteBlock, getAttributes, getContext, getWorkbookContext, isBodiless, processTag, removeBlock, setAttributes, setBodiless, setContext, setWorkbookContext

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ATTR_VALUE

public static final java.lang.String ATTR_VALUE

Attribute that specifies the value of the Cell itself after transformation.

See Also:

Constant Field Values

ATTR_AUTHOR

public static final java.lang.String ATTR_AUTHOR

Attribute that specifies the author of the Comment to be created.

See Also:

Constant Field Values

ATTR_COMMENT

public static final java.lang.String ATTR_COMMENT

Attribute that specifies the comment text.

See Also:

Constant Field Values

ATTR_VISIBLE

public static final java.lang.String ATTR_VISIBLE

Attribute that specifies whether the comment is initially visible. Even if not initially visible, the user can mouseover a cell with a comment to view the comment text as a pop-up.

See Also:

Constant Field Values

Constructor Detail

CommentTag

public CommentTag()

Method Detail

getName

public java.lang.String getName()

Returns this Tag's name.

Returns:

This Tag's name.

getRequiredAttributes

protected java.util.List<java.lang.String> getRequiredAttributes()

Returns a List of required attribute names.

Overrides:

getRequiredAttributes in class BaseTag

Returns:

A List of required attribute names.

getOptionalAttributes

protected java.util.List<java.lang.String> getOptionalAttributes()

Returns a List of optional attribute names.

Overrides:

getOptionalAttributes in class BaseTag

Returns:

A List of optional attribute names.

validateAttributes

public void validateAttributes()
                        throws TagParseException

Validates the attributes for this Tag. This tag must be bodiless.

Overrides:

validateAttributes in class BaseTag

Throws:

TagParseException - If the attribute values are illegal or unacceptable.

process

public boolean process()

Place the "value" attribute in the cell, and the rest of the attributes control the creation of a cell comment.

Specified by:

process in class BaseTag

Returns:

Whether the first Cell in the Block associated with this Tag was processed.