ar.com.fdvs.dj.core.layout
Class ClassicLayoutManager

java.lang.Object
  ar.com.fdvs.dj.core.layout.AbstractLayoutManager
      ar.com.fdvs.dj.core.layout.ClassicLayoutManager

All Implemented Interfaces:

LayoutManager

public class ClassicLayoutManager
extends AbstractLayoutManager

Main Layout Manager recommended for most cases.

It provides DJ full features (styles, groups, conditional styles,
expressions, group and total variables, etc)

Field Summary

protected static String	EXPRESSION_TRUE_WHEN_FIRST_PAGE
protected static String	EXPRESSION_TRUE_WHEN_NOT_FIRST_PAGE
protected static String	PAGE_BREAK_FOR_
protected Map	referencesMap
protected static int	SUBREPORT_DEFAULT_HEIGHT

Fields inherited from class ar.com.fdvs.dj.core.layout.AbstractLayoutManager

EXPRESSION_TRUE_WHEN_EVEN, EXPRESSION_TRUE_WHEN_ODD, realGroups

Constructor Summary

ClassicLayoutManager()

Method Summary

protected void	applyBanners() Create the image elements for the banners tha goes into the title and header bands depending on the case
protected void	applyFooterAutotexts()
protected void	applyHeaderAutotexts()
protected void	applyImageBannersToBand(net.sf.jasperreports.engine.design.JRDesignBand band, Collection imageBanners, net.sf.jasperreports.engine.design.JRDesignExpression printWhenExpression) Create the image elements for the banners tha goes into the title band
protected int	changeHeaderBandHeightForVariables(net.sf.jasperreports.engine.design.JRDesignBand headerBand, DJGroup columnsGroup)
protected net.sf.jasperreports.engine.design.JRDesignRectangle	createBlankRectableCrosstab(int amount, int yOffset)
protected net.sf.jasperreports.engine.design.JRDesignTextField	createColumnNameTextField(DJGroup columnsGroup, AbstractColumn col)
protected void	endLayout()
protected DJGroupVariable	findLeftMostColumn(List variables)
protected DJGroupVariable	findRightMostColumn(List variables)
protected int	findTotalOffset(ArrayList aligments, ArrayList autotexts, byte position) Finds the highest sum of height for each possible alignment (left, center, right)
protected void	generateHeaderBand()
protected void	generateTitleBand() Adds title and subtitle to the TitleBand when it applies.
protected int	getFooterVariableHeight(DJGroup columnsGroup)
protected int	getHeaderVariablesHeight(DJGroup columnsGroup)
Map	getReferencesMap() Useful as shared object between RegistrationManagers and the LayOutManager.
protected List	getVisibleColumns() Returns a list with the columns that are visible.
protected boolean	groupLabelsPresent(List groupVariables)
protected void	insertValueInHeader(net.sf.jasperreports.engine.design.JRDesignBand headerBand, DJGroup djgroup, int headerOffset)
protected void	layoutGroupCrosstabs(DJGroup columnsGroup, net.sf.jasperreports.engine.design.JRDesignGroup jgroup) Looks for crosstabs in the groups, if any, it does the layout
protected void	layoutGroupFooterLabels(DJGroup djgroup, net.sf.jasperreports.engine.design.JRDesignGroup jgroup, int x, int y, int width, int height) Creates needed textfields for general label in footer groups.
protected void	layoutGroups() Layout columns in groups by reading the corresponding report options.
protected void	layoutGroupSubreports(DJGroup columnsGroup, net.sf.jasperreports.engine.design.JRDesignGroup jgroup) If there is a SubReport on a Group, we do the layout here
protected void	layoutGroupVariables(DJGroup group, net.sf.jasperreports.engine.design.JRDesignGroup jgroup, int labelOffset) If variables are present for a given group, they are placed in it's header/footer band.
protected void	layOutSubReportInBand(DJGroup columnsGroup, net.sf.jasperreports.engine.design.JRDesignBand band, String position)
protected void	placeVariableInBand(List variables, DJGroup djGroup, net.sf.jasperreports.engine.design.JRDesignGroup jgroup, String type, net.sf.jasperreports.engine.design.JRDesignBand band, int yOffset)
protected void	sendPageBreakToBottom(net.sf.jasperreports.engine.design.JRDesignBand band) page breaks should be near the bottom of the band, this method used while adding subreports which has the "start on new page" option.
protected void	setTextAndClassToExpression(net.sf.jasperreports.engine.design.JRDesignExpression expression, DJGroupVariable var, AbstractColumn col, String variableName) If a variable has a DJValueFormatter, we must use it in the expression, otherwise, use plain $V{...}
protected void	startLayout()
protected void	transformDetailBandTextField(AbstractColumn column, net.sf.jasperreports.engine.design.JRDesignTextField textField)

Methods inherited from class ar.com.fdvs.dj.core.layout.AbstractLayoutManager

addStyleToDesign, applyLayout, applyStyleToElement, createChart, createChart, createGroupForChartAndGetBand, createGroupForChartAndGetBand, createUniqueStyleName, ensureDJStyles, existsGroupWithColumnNames, generateHeaderBand, generateTextFieldFromColumn, getChartColumnsGroup, getDesign, getDJGroup, getExpressionForConditionalStyle, getJRGroupFromDJGroup, getParent, getReport, getReportStyles, interpeterOptions, layoutCharts, makeConditionalStyle, registerChartVariable, registerChartVariable, registerRemainingStyles, setBandFinalHeight, setBandsFinalHeight, setColumnsFinalWidth, setDesign, setReport, setReportStyles, setWhenNoDataBand, transformDetailBand

Methods inherited from class java.lang.Object

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

Field Detail

PAGE_BREAK_FOR_

protected static final String PAGE_BREAK_FOR_

See Also:

Constant Field Values

SUBREPORT_DEFAULT_HEIGHT

protected static final int SUBREPORT_DEFAULT_HEIGHT

See Also:

Constant Field Values

EXPRESSION_TRUE_WHEN_NOT_FIRST_PAGE

protected static final String EXPRESSION_TRUE_WHEN_NOT_FIRST_PAGE

See Also:

Constant Field Values

EXPRESSION_TRUE_WHEN_FIRST_PAGE

protected static final String EXPRESSION_TRUE_WHEN_FIRST_PAGE

See Also:

Constant Field Values

referencesMap

protected Map referencesMap

Constructor Detail

ClassicLayoutManager

public ClassicLayoutManager()

Method Detail

getReferencesMap

public Map getReferencesMap()

Description copied from interface: LayoutManager

Useful as shared object between RegistrationManagers and the LayOutManager. An example of usage is the mapping between DJ objects and JR objects through its name, like a DJGroup and a JRDesignGroup

Returns:

startLayout

protected void startLayout()

Overrides:

startLayout in class AbstractLayoutManager

applyHeaderAutotexts

protected void applyHeaderAutotexts()

findTotalOffset

protected int findTotalOffset(ArrayList aligments,
                              ArrayList autotexts,
                              byte position)

Finds the highest sum of height for each possible alignment (left, center, right)

Parameters:

aligments -

autotexts -

Returns:

endLayout

protected void endLayout()

Overrides:

endLayout in class AbstractLayoutManager

applyFooterAutotexts

protected void applyFooterAutotexts()

getVisibleColumns

protected List getVisibleColumns()

Returns a list with the columns that are visible. Invisible column are the one whose group is configured with hideColumn = true (in the GroupLayout)

Overrides:

getVisibleColumns in class AbstractLayoutManager

Returns:

applyBanners

protected void applyBanners()

Create the image elements for the banners tha goes into the title and header bands depending on the case

applyImageBannersToBand

protected void applyImageBannersToBand(net.sf.jasperreports.engine.design.JRDesignBand band,
                                       Collection imageBanners,
                                       net.sf.jasperreports.engine.design.JRDesignExpression printWhenExpression)

Create the image elements for the banners tha goes into the title band

Parameters:

printWhenExpression -

generateTitleBand

protected void generateTitleBand()

Adds title and subtitle to the TitleBand when it applies. If title is not present then subtitle will be ignored

layoutGroups

protected void layoutGroups()

Layout columns in groups by reading the corresponding report options.

Throws:

LayoutException

layoutGroupFooterLabels

protected void layoutGroupFooterLabels(DJGroup djgroup,
                                       net.sf.jasperreports.engine.design.JRDesignGroup jgroup,
                                       int x,
                                       int y,
                                       int width,
                                       int height)

Creates needed textfields for general label in footer groups.

Parameters:

djgroup -

jgroup -

layoutGroupCrosstabs

protected void layoutGroupCrosstabs(DJGroup columnsGroup,
                                    net.sf.jasperreports.engine.design.JRDesignGroup jgroup)

Looks for crosstabs in the groups, if any, it does the layout

Parameters:

columnsGroup -

jgroup -

createBlankRectableCrosstab

protected net.sf.jasperreports.engine.design.JRDesignRectangle createBlankRectableCrosstab(int amount,
                                                                                           int yOffset)

Parameters:

djcross -

crosst -

Returns:

createColumnNameTextField

protected net.sf.jasperreports.engine.design.JRDesignTextField createColumnNameTextField(DJGroup columnsGroup,
                                                                                         AbstractColumn col)

Parameters:

columnsGroup -

col -

Returns:

layoutGroupSubreports

protected void layoutGroupSubreports(DJGroup columnsGroup,
                                     net.sf.jasperreports.engine.design.JRDesignGroup jgroup)

If there is a SubReport on a Group, we do the layout here

Parameters:

columnsGroup -

jgroup -

layOutSubReportInBand

protected void layOutSubReportInBand(DJGroup columnsGroup,
                                     net.sf.jasperreports.engine.design.JRDesignBand band,
                                     String position)

Parameters:

columnsGroup -

band -

position -

sendPageBreakToBottom

protected void sendPageBreakToBottom(net.sf.jasperreports.engine.design.JRDesignBand band)

page breaks should be near the bottom of the band, this method used while adding subreports which has the "start on new page" option.

Parameters:

band -

layoutGroupVariables

protected void layoutGroupVariables(DJGroup group,
                                    net.sf.jasperreports.engine.design.JRDesignGroup jgroup,
                                    int labelOffset)

If variables are present for a given group, they are placed in it's header/footer band.

Parameters:

DJGroup - group

JRDesignGroup - jgroup

int - labelOffset

Throws:

LayoutException

groupLabelsPresent

protected boolean groupLabelsPresent(List groupVariables)

Parameters:

groupVariables -

Returns:

placeVariableInBand

protected void placeVariableInBand(List variables,
                                   DJGroup djGroup,
                                   net.sf.jasperreports.engine.design.JRDesignGroup jgroup,
                                   String type,
                                   net.sf.jasperreports.engine.design.JRDesignBand band,
                                   int yOffset)

Parameters:

variables -

djGroup -

jgroup -

type - (header or footer)

band -

yOffset -

getHeaderVariablesHeight

protected int getHeaderVariablesHeight(DJGroup columnsGroup)

getFooterVariableHeight

protected int getFooterVariableHeight(DJGroup columnsGroup)

setTextAndClassToExpression

protected void setTextAndClassToExpression(net.sf.jasperreports.engine.design.JRDesignExpression expression,
                                           DJGroupVariable var,
                                           AbstractColumn col,
                                           String variableName)

If a variable has a DJValueFormatter, we must use it in the expression, otherwise, use plain $V{...}

Parameters:

expression -

var -

col -

variableName -

findLeftMostColumn

protected DJGroupVariable findLeftMostColumn(List variables)

findRightMostColumn

protected DJGroupVariable findRightMostColumn(List variables)

insertValueInHeader

protected void insertValueInHeader(net.sf.jasperreports.engine.design.JRDesignBand headerBand,
                                   DJGroup djgroup,
                                   int headerOffset)

changeHeaderBandHeightForVariables

protected int changeHeaderBandHeightForVariables(net.sf.jasperreports.engine.design.JRDesignBand headerBand,
                                                 DJGroup columnsGroup)

generateHeaderBand

protected void generateHeaderBand()

transformDetailBandTextField

protected void transformDetailBandTextField(AbstractColumn column,
                                            net.sf.jasperreports.engine.design.JRDesignTextField textField)

Specified by:

transformDetailBandTextField in class AbstractLayoutManager