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LimeReport/limereport/lrbanddesignintf.h

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/***************************************************************************
* This file is part of the Lime Report project *
* Copyright (C) 2015 by Alexander Arin *
* arin_a@bk.ru *
* *
** GNU General Public License Usage **
* *
* This library is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
** GNU Lesser General Public License **
* *
* This library 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. *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library. *
* If not, see <http://www.gnu.org/licenses/>. *
* *
* This library 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 General Public License for more details. *
****************************************************************************/
#ifndef LRBANDDESIGNINTF_H
#define LRBANDDESIGNINTF_H
#include "lrbasedesignintf.h"
#include "lrdatasourcemanager.h"
#include <QObject>
namespace LimeReport {
class IGroupBand
{
public:
virtual void startGroup(DataSourceManager* dataManager) = 0;
virtual bool isNeedToClose(DataSourceManager* dataManager) = 0;
virtual bool isStarted() = 0;
virtual void closeGroup() = 0;
virtual int index() = 0;
virtual bool startNewPage() const = 0 ;
virtual bool resetPageNumber() const = 0 ;
virtual ~IGroupBand(){}
};
class BandDesignIntf;
class BandMarker : public QGraphicsItem{
public:
explicit BandMarker(BandDesignIntf* band, QGraphicsItem *parent=0);
QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *);
void setHeight(qreal height);
void setWidth(qreal width);
void setColor(QColor color);
qreal width(){return m_rect.width();}
qreal height(){return m_rect.height();}
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
private:
QRectF m_rect;
QColor m_color;
BandDesignIntf* m_band;
};
class BandNameLabel : public QGraphicsItem{
public:
explicit BandNameLabel(BandDesignIntf* band, QGraphicsItem* parent=0);
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
QRectF boundingRect() const;
void updateLabel();
void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
private:
QRectF m_rect;
QColor m_color;
BandDesignIntf* m_band;
};
struct ItemSortContainer;
typedef QSharedPointer< ItemSortContainer > PItemSortContainer;
class BandDesignIntf : public BaseDesignIntf
{
Q_OBJECT
Q_PROPERTY(bool autoHeight READ autoHeight WRITE setAutoHeight )
Q_PROPERTY(int bandIndex READ bandIndex WRITE setBandIndex DESIGNABLE false )
Q_PROPERTY(bool keepBottomSpace READ keepBottomSpaceOption WRITE setKeepBottomSpaceOption )
Q_PROPERTY(QString parentBand READ parentBandName WRITE setParentBandName DESIGNABLE false )
Q_PROPERTY(QColor backgroundColor READ backgroundColor WRITE setBackgroundColor)
Q_PROPERTY(bool printIfEmpty READ printIfEmpty WRITE setPrintIfEmpty)
Q_ENUMS(BandColumnsLayoutType)
friend class BandMarker;
friend class BandNameLabel;
public:
enum BandsType {
PageHeader=0,
ReportHeader=1,
DataHeader=2,
GroupHeader=3,
Data=4,
SubDetailHeader=5,
SubDetailBand=6,
SubDetailFooter=7,
GroupFooter=8,
DataFooter=9,
ReportFooter=10,
PageFooter=11
};
enum BandColumnsLayoutType{
Horizontal, Vertical, VerticalUniform
};
BandDesignIntf(BandsType bandType, const QString& xmlTypeName, QObject* owner = 0, QGraphicsItem* parent=0);
~BandDesignIntf();
void paint(QPainter *ppainter, const QStyleOptionGraphicsItem *option, QWidget *widget);
virtual BandsType bandType() const;
virtual QString bandTitle() const;
virtual QIcon bandIcon() const;
virtual bool isUnique() const;
void updateItemSize(DataSourceManager *dataManager, RenderPass pass=FirstPass, int maxHeight=0);
void updateBandNameLabel();
virtual QColor selectionColor() const;
int bandIndex() const;
void setBandIndex(int value);
void changeBandIndex(int value);
void setBandType(BandsType value){m_bandType=value;}
QString datasourceName();
void setDataSourceName(const QString& datasourceName);
void setKeepBottomSpaceOption(bool value){m_keepBottomSpace=value;}
bool keepBottomSpaceOption() const {return m_keepBottomSpace;}
void addChildBand(BandDesignIntf* band);
bool hasChildren(){return !m_childBands.isEmpty();}
void removeChildBand(BandDesignIntf* band);
void setParentBand(BandDesignIntf* band);
void setParentBandName(const QString& parentBandName);
QString parentBandName(){return m_parentBandName;}
bool isConnectedToBand(BandDesignIntf::BandsType bandType) const;
int minChildIndex(BandsType bandType);
int maxChildIndex(QSet<BandsType> ignoredBands = QSet<BandDesignIntf::BandsType>()) const;
BandDesignIntf* parentBand() const {return m_parentBand;}
QList<BandDesignIntf*> childBands() const{return m_childBands;}
QList<BandDesignIntf*> childrenByType(BandDesignIntf::BandsType type);
bool canBeSplitted(int height) const;
bool isEmpty() const;
virtual bool isNeedRender() const;
virtual bool isFooter() const {return false;}
virtual bool isHeader() const {return false;}
virtual bool isGroupHeader() const {return false;}
virtual bool isData() const {return false;}
bool isBand(){return true;}
void setTryToKeepTogether(bool value);
bool tryToKeepTogether();
BaseDesignIntf* cloneUpperPart(int height, QObject* owner=0, QGraphicsItem* parent=0);
BaseDesignIntf* cloneBottomPart(int height, QObject *owner=0, QGraphicsItem *parent=0);
void parentObjectLoadFinished();
void objectLoadFinished();
void emitBandRendered(BandDesignIntf *band);
bool isSplittable() const {return m_splitable;}
void setSplittable(bool value);
bool keepFooterTogether() const;
void setKeepFooterTogether(bool value);
int maxScalePercent() const;
void setMaxScalePercent(int maxScalePercent);
bool sliceLastRow() const;
void setSliceLastRow(bool sliceLastRow);
bool printIfEmpty() const;
void setPrintIfEmpty(bool printIfEmpty);
virtual BandDesignIntf* bandHeader();
virtual BandDesignIntf* bandFooter();
int columnsCount() const {return m_columnsCount;}
BandColumnsLayoutType columnsFillDirection(){ return m_columnsFillDirection;}
int columnIndex() const;
void setColumnIndex(int columnIndex);
bool reprintOnEachPage() const;
void setReprintOnEachPage(bool reprintOnEachPage);
bool startNewPage() const;
void setStartNewPage(bool startNewPage);
void setAutoHeight(bool value){m_autoHeight=value;}
bool autoHeight(){return m_autoHeight;}
bool startFromNewPage() const;
void setStartFromNewPage(bool startFromNewPage);
bool canContainChildren(){ return true;}
bool printAlways() const;
void setPrintAlways(bool printAlways);
bool repeatOnEachRow() const;
void setRepeatOnEachRow(bool repeatOnEachRow);
signals:
void bandRendered(BandDesignIntf* band);
protected:
void snapshotItemsLayout();
void arrangeSubItems(RenderPass pass, DataSourceManager *dataManager, ArrangeType type = AsNeeded);
qreal findMaxBottom();
qreal findMaxHeight();
void trimToMaxHeight(int maxHeight);
void setBandTypeText(const QString& value);
QString bandTypeText(){return m_bandTypeText;}
void moveDown(){}
void moveUp(){}
QSet<BandsType> groupBands();
QSet<BandsType> subdetailBands();
BandDesignIntf *findParentBand();
void geometryChangedEvent(QRectF, QRectF);
QVariant itemChange(GraphicsItemChange change, const QVariant &value);
void initMode(ItemMode mode);
virtual QColor bandColor() const;
void setMarkerColor(QColor color);
void checkEmptyTable();
void setColumnsCount(int value);
void setColumnsFillDirection(BandColumnsLayoutType value);
void moveItemsDown(qreal startPos, qreal offset);
private slots:
void childBandDeleted(QObject* band);
private:
QString m_bandTypeText;
BandsType m_bandType;
int m_bandIndex;
QString m_dataSourceName;
bool m_autoHeight;
bool m_keepBottomSpace;
BandDesignIntf* m_parentBand;
QString m_parentBandName;
QList<BandDesignIntf*> m_childBands;
QVector<PItemSortContainer> m_bandItems;
BandMarker* m_bandMarker;
bool m_tryToKeepTogether;
bool m_splitable;
bool m_keepFooterTogether;
int m_maxScalePercent;
bool m_sliceLastRow;
bool m_printIfEmpty;
BandNameLabel* m_bandNameLabel;
int m_columnsCount;
int m_columnIndex;
BandColumnsLayoutType m_columnsFillDirection;
bool m_reprintOnEachPage;
bool m_startNewPage;
bool m_startFromNewPage;
bool m_printAlways;
bool m_repeatOnEachRow;
};
class DataBandDesignIntf : public BandDesignIntf{
Q_OBJECT
Q_PROPERTY(QString datasource READ datasourceName WRITE setDataSourceName )
public:
DataBandDesignIntf(BandsType bandType, QString xmlTypeName, QObject* owner = 0, QGraphicsItem* parent=0);
};
class Segment{
public:
Segment(qreal segmentStart,qreal segmentEnd):m_begin(segmentStart),m_end(segmentEnd){}
bool intersect(Segment value);
qreal intersectValue(Segment value);
private:
qreal m_begin;
qreal m_end;
};
class VSegment : public Segment{
public:
VSegment(QRectF rect):Segment(rect.top(),rect.bottom()){}
};
struct HSegment :public Segment{
public:
HSegment(QRectF rect):Segment(rect.left(),rect.right()){}
};
struct ItemSortContainer {
QRectF m_rect;
BaseDesignIntf * m_item;
ItemSortContainer(BaseDesignIntf *item){
m_item=item;
m_rect=item->geometry();
}
};
bool itemSortContainerLessThen(const PItemSortContainer c1, const PItemSortContainer c2);
bool bandIndexLessThen(const BandDesignIntf* b1, const BandDesignIntf* b2);
}
#endif // LRBANDDESIGNINTF_H
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