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DynamicReports is an open source Java reporting library based on JasperReports. It allows to create dynamic report designs and it doesn't need a visual report designer.
You can very quickly create reports and produce documents that can be displayed, printed or exported into many popular formats such as PDF, Excel, Word and others.
/**
* DynamicReports - Free Java reporting library for creating reports dynamically
*
* Copyright (C) 2010 - 2016 Ricardo Mariaca
* http://www.dynamicreports.org
*
* This file is part of DynamicReports.
*
* DynamicReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DynamicReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DynamicReports. If not, see , DRIComponent> columnComponents;
public ColumnTransform(DesignTransformAccessor accessor) {
this.accessor = accessor;
}
//columns
public void transform() throws DRException {
columnComponents = getColumnComponents();
boolean showColumnTitle = accessor.getTemplateTransform().isShowColumnTitle();
boolean showColumnValues = accessor.getTemplateTransform().isShowColumnValues();
boolean showColumnTitleForGroup = accessor.getBandTransform().getColumnHeaderForGroupBand() != null;
ColumnGrid columnTitle = null;
if (showColumnTitle) {
columnTitle = accessor.getColumnGridTransform().createColumnTitleGrid(accessor.getStyleTransform().getDefaultStyle(DefaultStyleType.COLUMN_TITLE));
}
ColumnGrid columnTitleForGroup = null;
if (showColumnTitleForGroup) {
columnTitleForGroup = accessor.getColumnGridTransform().createColumnTitleGrid(accessor.getStyleTransform().getDefaultStyle(DefaultStyleType.COLUMN_TITLE));
}
ColumnGrid detail = accessor.getColumnGridTransform().createColumnGrid();
for (DRIColumn column : accessor.getReport().getColumns()) {
if (!accessor.getGroupTransform().getHideGroupColumns().contains(column)) {
if (column.getTitleExpression() != null) {
if (showColumnTitle) {
columnTitle.addComponent(column, titleComponent(column));
}
if (showColumnTitleForGroup) {
columnTitleForGroup.addComponent(column, titleComponent(column));
}
}
DRDesignComponent detailComponent = null;
if (column instanceof DRIValueColumn) {
detailComponent = detailValueComponent((DRIValueColumn) column);
}
else if (column instanceof DRIBooleanColumn) {
detailComponent = detailBooleanComponent((DRIBooleanColumn) column);
}
else {
detailComponent = detailComponent(column);
}
detail.addComponent(column, detailComponent);
}
}
if (showColumnTitle && !columnTitle.isEmpty()) {
accessor.getBandTransform().getColumnHeaderBand().addComponent(0, columnTitle.getList());
}
if (showColumnTitleForGroup && !columnTitleForGroup.isEmpty()) {
accessor.getBandTransform().getColumnHeaderForGroupBand().addComponent(0, columnTitleForGroup.getList());
}
if (showColumnValues) {
accessor.getBandTransform().getDetailBand().addComponent(detail.getList());
}
}
private Map, DRIComponent> getColumnComponents() throws DRException {
Map, DRIComponent> columnComponents = new HashMap, DRIComponent>();
for (DRIColumn column : accessor.getReport().getColumns()) {
if (!accessor.getGroupTransform().getHideGroupColumns().contains(column)) {
DRIComponent component = column.getComponent();
if (column instanceof DRIBooleanColumn) {
component = createBooleanComponent((DRIBooleanColumn) column);
}
columnComponents.put(column, component);
}
}
return columnComponents;
}
private DRIComponent createBooleanComponent(DRIBooleanColumn column) throws DRException {
DRIReportStyle booleanColumnStyle = accessor.getTemplateTransform().getBooleanColumnStyle(column);
if (booleanColumnStyle == null) {
return column.getComponent();
}
DRBooleanField booleanField = new DRBooleanField();
booleanField.setComponentType(column.getComponent().getComponentType());
booleanField.setEmptyWhenNullValue(column.getComponent().getEmptyWhenNullValue());
booleanField.setValueExpression(column.getComponent().getValueExpression());
booleanField.setWidth(column.getComponent().getWidth());
booleanField.setWidthType(column.getComponent().getWidthType());
booleanField.setHeight(column.getComponent().getHeight());
booleanField.setHeightType(column.getComponent().getHeightType());
booleanField.setImageWidth(column.getComponent().getImageWidth());
booleanField.setImageHeight(column.getComponent().getImageHeight());
booleanField.setHorizontalImageAlignment(column.getComponent().getHorizontalImageAlignment());
booleanField.setHorizontalTextAlignment(column.getComponent().getHorizontalTextAlignment());
booleanField.setStyle(booleanColumnStyle);
booleanField.setPrintWhenExpression(column.getComponent().getPrintWhenExpression());
return booleanField;
}
//title
@SuppressWarnings("unchecked")
private DRDesignComponent titleComponent(DRIColumn column) throws DRException {
@SuppressWarnings("rawtypes")
DRTextField titleField = new DRTextField();
titleField.setValueExpression(column.getTitleExpression());
titleField.setStyle(column.getTitleStyle());
titleField.setWidth(accessor.getTemplateTransform().getColumnWidth(column, accessor.getStyleTransform().getDefaultStyle(DefaultStyleType.COLUMN)));
titleField.setHeight(column.getTitleHeight());
titleField.setHeightType(column.getTitleHeightType());
titleField.setRows(column.getTitleRows());
titleField.setStretchWithOverflow(column.getTitleStretchWithOverflow());
titleField.setPropertyExpressions(column.getTitlePropertyExpressions());
DRDesignTextField designTitleField = accessor.getComponentTransform().textField(titleField, DefaultStyleType.COLUMN_TITLE);
designTitleField.setUniqueName("column_" + column.getName() + ".title");
return designTitleField;
}
//detail
private DRDesignComponent detailValueComponent(DRIValueColumn column) throws DRException {
DRDesignComponent detailComponent = detailComponent(column);
((DRDesignTextField) detailComponent).setPrintRepeatedValues(accessor.getTemplateTransform().isColumnPrintRepeatedDetailValues(column));
return detailComponent;
}
private DRDesignComponent detailBooleanComponent(DRIBooleanColumn column) throws DRException {
DRDesignComponent detailComponent = detailComponent(column);
return detailComponent;
}
private DRDesignComponent detailComponent(DRIColumn column) throws DRException {
DRDesignComponent designComponent = accessor.getComponentTransform().component(getColumnComponent(column), DefaultStyleType.COLUMN, null, null);
designComponent.setUniqueName("column_" + column.getName());
List rowHighlighters = new ArrayList();
rowHighlighters.addAll(getDetailRowHighlighters());
DRISimpleStyle detailOddRowStyle = accessor.getTemplateTransform().getDetailOddRowStyle();
if (detailOddRowStyle != null) {
rowHighlighters.add(detailRowConditionalStyle(detailOddRowStyle, Expressions.printInOddRow()));
}
DRISimpleStyle detailEvenRowStyle = accessor.getTemplateTransform().getDetailEvenRowStyle();
if (detailEvenRowStyle != null) {
rowHighlighters.add(detailRowConditionalStyle(detailEvenRowStyle, Expressions.printInEvenRow()));
}
if (!rowHighlighters.isEmpty()) {
DRIReportStyle style = getColumnComponent(column).getStyle();
if (style == null) {
style = accessor.getTemplateTransform().getColumnStyle(column instanceof DRIValueColumn);
}
DRStyle newStyle = new DRStyle();
newStyle.setParentStyle(style);
if (!(column instanceof DRIValueColumn)) {
newStyle.setPadding(new DRPadding(0));
}
List conditionalStyles = new ArrayList();
if (style != null) {
DRIStyle stl = accessor.getStyleTransform().getStyle(style);
for (DRIConditionalStyle conditionalStyle : stl.getConditionalStyles()) {
conditionalStyles.add(conditionalStyle);
}
}
for (DRIConditionalStyle conditionalStyle : rowHighlighters) {
conditionalStyles.add(conditionalStyle);
}
Color backgroundColor = StyleResolver.getBackgroundColor(style, accessor.getStyleTransform());
for (DRIConditionalStyle conditionalStyle : conditionalStyles) {
if (backgroundColor != null && conditionalStyle.getBackgroundColor() != null) {
DRConditionalStyle newConditionalStyle = new DRConditionalStyle(conditionalStyle.getConditionExpression());
accessor.getStyleTransform().copyStyle(newConditionalStyle, conditionalStyle);
Color mergedColor = StyleResolver.mergeColors(backgroundColor, conditionalStyle.getBackgroundColor(), 0.25f);
newConditionalStyle.setBackgroundColor(mergedColor);
newStyle.addConditionalStyle(newConditionalStyle);
}
else {
newStyle.addConditionalStyle((DRConditionalStyle) conditionalStyle);
}
}
designComponent.setStyle(accessor.getStyleTransform().transformStyle(newStyle, true, DefaultStyleType.COLUMN));
}
else {
if (designComponent.getStyle() == null && !(column instanceof DRIValueColumn)) {
DRIReportStyle columnStyle = accessor.getTemplateTransform().getColumnStyle(false);
DRStyle newStyle = null;
if (columnStyle != null) {
newStyle = new DRStyle();
newStyle.setParentStyle(columnStyle);
newStyle.setPadding(new DRPadding(0));
}
DRDesignStyle designColumnStyle = accessor.getStyleTransform().transformStyle(newStyle, false, DefaultStyleType.NONE);
designComponent.setStyle(designColumnStyle);
}
}
return designComponent;
}
private List getDetailRowHighlighters() {
return accessor.getReport().getDetailRowHighlighters();
}
private DRConditionalStyle detailRowConditionalStyle(DRISimpleStyle style, DRIExpression expression) {
DRConditionalStyle conditionalStyle = new DRConditionalStyle(expression);
accessor.getStyleTransform().copyStyle(conditionalStyle, style);
return conditionalStyle;
}
public DRIComponent getColumnComponent(DRIColumn column) {
return columnComponents.get(column);
}
}