net.mlw.vlh.web.tag
Class DefaultRowTag

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      javax.servlet.jsp.tagext.BodyTagSupport
          net.mlw.vlh.web.tag.ConfigurableTag
              net.mlw.vlh.web.tag.DefaultRowTag

All Implemented Interfaces:

Attributeable, javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, Serializable, javax.servlet.jsp.tagext.Tag

Direct Known Subclasses:

DefaultHeaderTag, InvertedRowTag

public class DefaultRowTag

extends ConfigurableTag

This tag creates a table. It is ment to be used along with vlh:root tag. If the valuelist is empty, render only header.

Version:

$Revision: 1.37 $ $Date: 2005/12/15 12:49:12 $

Author:

Matthew L. Wilson, Andrej Zachar

See Also:

Serialized Form

Field Summary

protected String	bean The name and type of the bean put in the pageContext.
protected Object	beanInPageScope
protected int	currentRowNumber

Fields inherited from class javax.servlet.jsp.tagext.BodyTagSupport

bodyContent

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface javax.servlet.jsp.tagext.BodyTag

EVAL_BODY_BUFFERED, EVAL_BODY_TAG

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

DefaultRowTag()

Method Summary

void	addColumnInfo(ColumnInfo column) Adds a column to this table.
int	doAfterBody()
int	doEndTag()
int	doStartTag()
String	getBeanName() Gets the name of the bean put in the pageContext.
protected List	getColumns() Returns list of ColumnInfo objects.
int	getCurrentRowNumber() Gets the current row in the iteration.
DisplayProvider	getDisplayProvider()
ValueListSpaceTag	getRootTag()
String	getRowStyleClass()
protected void	init() Initialization is called at the beginning of doStart.
protected boolean	isEnabledHeader() This option could be overwritten by disableHeader (default set to false)
boolean	isNestedHeader()
protected int	processIteration() Produces one row.
void	release() Called on a Tag handler to release state.
protected void	renderHeaderCell(StringBuffer sb, ColumnInfo columnInfo, TableInfo tableInfo, ValueListInfo vlInfo, Map parameters) Renders header cell.
protected void	renderHeaderRow(StringBuffer sb, List columns, TableInfo tableInfo, ValueListInfo vlInfo, Map parameters) Renders header row.
protected void	renderNestedHeader(StringBuffer sb, ColumnInfo columnInfo, TableInfo tableInfo, ValueListInfo vlInfo, Map parameters)
void	setBean(String bean) Sets the name of the bean put in the pageContext.
void	setDisableHeader(boolean disableHeader)
void	setDisplay(String display)
void	setFocusRowNumber(String focusRowNumber)
void	setNestedHeader(boolean nestedHeader) Set how to render the header in case of nested value list (the default is true).

Methods inherited from class net.mlw.vlh.web.tag.ConfigurableTag

appendClassCellAttribute, getAttributes, getCellAttributes, resetAttributes, setAttributes, setCellAttribute

Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport

doInitBody, getBodyContent, getPreviousOut, setBodyContent

Methods inherited from class javax.servlet.jsp.tagext.TagSupport

findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.servlet.jsp.tagext.Tag

getParent, setPageContext, setParent

Field Detail

currentRowNumber

protected int currentRowNumber

beanInPageScope

protected Object beanInPageScope

bean

protected String bean

The name and type of the bean put in the pageContext.

Constructor Detail

DefaultRowTag

public DefaultRowTag()

Method Detail

init

protected void init()
             throws javax.servlet.jsp.JspException

Initialization is called at the beginning of doStart. Subclasses have to call either super.init() or super.doStart().

Throws:

javax.servlet.jsp.JspException

doStartTag

public int doStartTag()
               throws javax.servlet.jsp.JspException

Throws:

javax.servlet.jsp.JspException

See Also:

Tag.doStartTag()

doAfterBody

public int doAfterBody()
                throws javax.servlet.jsp.JspException

Throws:

javax.servlet.jsp.JspException

See Also:

IterationTag.doAfterBody()

renderHeaderRow

protected void renderHeaderRow(StringBuffer sb,
                               List columns,
                               TableInfo tableInfo,
                               ValueListInfo vlInfo,
                               Map parameters)
                        throws javax.servlet.jsp.JspException

Renders header row. Subclasses can overide or extend the method to provide different behaviour.

Parameters:

sb -

tableInfo -

vlInfo -

parameters -

Throws:

javax.servlet.jsp.JspException

renderHeaderCell

protected void renderHeaderCell(StringBuffer sb,
                                ColumnInfo columnInfo,
                                TableInfo tableInfo,
                                ValueListInfo vlInfo,
                                Map parameters)
                         throws javax.servlet.jsp.JspException

Renders header cell. Subclasses can overide or extend the method to provide different behaviour.

Parameters:

sb -

columnInfo -

tableInfo -

vlInfo -

parameters -

Throws:

javax.servlet.jsp.JspException

renderNestedHeader

protected void renderNestedHeader(StringBuffer sb,
                                  ColumnInfo columnInfo,
                                  TableInfo tableInfo,
                                  ValueListInfo vlInfo,
                                  Map parameters)
                           throws javax.servlet.jsp.JspException

Throws:

javax.servlet.jsp.JspException

isEnabledHeader

protected boolean isEnabledHeader()

This option could be overwritten by disableHeader (default set to false)

Returns:

true when at least one column's title is not null. false all titles are null.

doEndTag

public int doEndTag()
             throws javax.servlet.jsp.JspException

Specified by:

doEndTag in interface javax.servlet.jsp.tagext.Tag

Overrides:

doEndTag in class ConfigurableTag

Throws:

javax.servlet.jsp.JspException

See Also:

Tag.doStartTag()

processIteration

protected int processIteration()
                        throws javax.servlet.jsp.JspException

Produces one row.

Returns:

Throws:

javax.servlet.jsp.JspException - is an error occurs.

See Also:

Tag.doEndTag()

getRootTag

public final ValueListSpaceTag getRootTag()
                                   throws javax.servlet.jsp.JspException

Throws:

javax.servlet.jsp.JspException

getDisplayProvider

public DisplayProvider getDisplayProvider()
                                   throws javax.servlet.jsp.JspException

Returns:

Returns the displayProvider.

Throws:

javax.servlet.jsp.JspException

setDisplay

public void setDisplay(String display)
                throws javax.servlet.jsp.JspException

Throws:

javax.servlet.jsp.JspException

getCurrentRowNumber

public int getCurrentRowNumber()

Gets the current row in the iteration.

Returns:

The current row in the iteration.

addColumnInfo

public void addColumnInfo(ColumnInfo column)

Adds a column to this table.

Parameters:

column - The Column to add.

getColumns

protected List getColumns()

Returns list of ColumnInfo objects.

Returns:

Returns the columns.

setBean

public void setBean(String bean)

Sets the name of the bean put in the pageContext.

Parameters:

bean - The name of the bean put in the pageContext.

getBeanName

public String getBeanName()

Gets the name of the bean put in the pageContext.

Returns:

The name of the bean put in the pageContext.

setFocusRowNumber

public void setFocusRowNumber(String focusRowNumber)

Parameters:

focusRowNumber - (0 is considered to be first row) The focusRowNumber to set.

setDisableHeader

public void setDisableHeader(boolean disableHeader)

Parameters:

disableHeader - The disableHeader to set.

isNestedHeader

public boolean isNestedHeader()

Returns:

Returns the nestedHeader.

See Also:

setNestedHeader(boolean)

setNestedHeader

public void setNestedHeader(boolean nestedHeader)

Set how to render the header in case of nested value list (the default is true).

Parameters:

nestedHeader - false - the header of the nested value list is rendered as a part of the top value list true - the header is rendered for each nested valuelist

getRowStyleClass

public String getRowStyleClass()
                        throws javax.servlet.jsp.JspException

Returns:

style

Throws:

javax.servlet.jsp.JspException

release

public void release()

Called on a Tag handler to release state. The page compiler guarantees that JSP page implementation objects will invoke this method on all tag handlers, but there may be multiple invocations on doStartTag and doEndTag in between.

Specified by:

release in interface javax.servlet.jsp.tagext.Tag

Overrides:

release in class ConfigurableTag

See Also:

Tag.release()