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Code

QTextDocument is created as needed

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This commit is contained in:
Arin Alexander 2016-12-13 00:07:50 +03:00
parent 46c830212f
commit eeea8c2643
2 changed files with 135 additions and 144 deletions
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218
limereport/items/lrtextitem.cpp
View File

@ -60,8 +60,6 @@ TextItem::TextItem(QObject *owner, QGraphicsItem *parent)
: ContentItemDesignIntf(xmlTag,owner,parent), m_angle(Angle0), m_trimValue(true), m_allowHTML(false), : ContentItemDesignIntf(xmlTag,owner,parent), m_angle(Angle0), m_trimValue(true), m_allowHTML(false),
m_allowHTMLInFields(false), m_followTo(""), m_follower(0) m_allowHTMLInFields(false), m_followTo(""), m_follower(0)
{ {
m_text = new QTextDocument();
PageItemDesignIntf* pageItem = dynamic_cast<PageItemDesignIntf*>(parent); PageItemDesignIntf* pageItem = dynamic_cast<PageItemDesignIntf*>(parent);
BaseDesignIntf* parentItem = dynamic_cast<BaseDesignIntf*>(parent); BaseDesignIntf* parentItem = dynamic_cast<BaseDesignIntf*>(parent);
while (!pageItem && parentItem){ while (!pageItem && parentItem){
@ -76,12 +74,9 @@ TextItem::TextItem(QObject *owner, QGraphicsItem *parent)
Init(); Init();
} }
TextItem::~TextItem() TextItem::~TextItem(){}
{
delete m_text;
}
int TextItem::fakeMarginSize(){ int TextItem::fakeMarginSize() const{
return marginSize()+5; return marginSize()+5;
} }
@ -89,6 +84,9 @@ void TextItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* style, Q
Q_UNUSED(widget); Q_UNUSED(widget);
Q_UNUSED(style); Q_UNUSED(style);
TextPtr text = textDocument();
painter->save(); painter->save();
setupPainter(painter); setupPainter(painter);
@ -118,11 +116,11 @@ void TextItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* style, Q
hOffset = width() - fakeMarginSize(); hOffset = width() - fakeMarginSize();
vOffset = fakeMarginSize(); vOffset = fakeMarginSize();
if (m_alignment & Qt::AlignVCenter){ if (m_alignment & Qt::AlignVCenter){
hOffset = (width()-m_text->size().height())/2+m_text->size().height(); hOffset = (width() - text->size().height()) / 2 + text->size().height();
} }
if (m_alignment & Qt::AlignBottom){ if (m_alignment & Qt::AlignBottom){
hOffset = (m_text->size().height()); hOffset = (text->size().height());
} }
painter->translate(hOffset,vOffset); painter->translate(hOffset,vOffset);
painter->rotate(90); painter->rotate(90);
@ -131,10 +129,10 @@ void TextItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* style, Q
hOffset = width() - fakeMarginSize(); hOffset = width() - fakeMarginSize();
vOffset = height() - fakeMarginSize(); vOffset = height() - fakeMarginSize();
if ((tmpSize.width()>0) && (m_alignment & Qt::AlignVCenter)){ if ((tmpSize.width()>0) && (m_alignment & Qt::AlignVCenter)){
vOffset = tmpSize.height()/2+m_text->size().height(); vOffset = tmpSize.height() / 2+ text->size().height();
} }
if ((tmpSize.height()>0) && (m_alignment & Qt::AlignBottom)){ if ((tmpSize.height()>0) && (m_alignment & Qt::AlignBottom)){
vOffset = (m_text->size().height()); vOffset = (text->size().height());
} }
painter->translate(hOffset,vOffset); painter->translate(hOffset,vOffset);
painter->rotate(180); painter->rotate(180);
@ -143,11 +141,11 @@ void TextItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* style, Q
hOffset = fakeMarginSize(); hOffset = fakeMarginSize();
vOffset = height()-fakeMarginSize(); vOffset = height()-fakeMarginSize();
if (m_alignment & Qt::AlignVCenter){ if (m_alignment & Qt::AlignVCenter){
hOffset = (width()-m_text->size().height())/2; hOffset = (width() - text->size().height())/2;
} }
if (m_alignment & Qt::AlignBottom){ if (m_alignment & Qt::AlignBottom){
hOffset = (width()-m_text->size().height()); hOffset = (width() - text->size().height());
} }
painter->translate(hOffset,vOffset); painter->translate(hOffset,vOffset);
painter->rotate(270); painter->rotate(270);
@ -155,12 +153,12 @@ void TextItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* style, Q
case Angle45: case Angle45:
painter->translate(width()/2,0); painter->translate(width()/2,0);
painter->rotate(45); painter->rotate(45);
m_text->setTextWidth(sqrt(2*(pow(width()/2,2)))); text->setTextWidth(sqrt(2*(pow(width()/2,2))));
break; break;
case Angle315: case Angle315:
painter->translate(0,height()/2); painter->translate(0,height()/2);
painter->rotate(315); painter->rotate(315);
m_text->setTextWidth(sqrt(2*(pow(height()/2,2)))); text->setTextWidth(sqrt(2*(pow(height()/2,2))));
break; break;
} }
@ -176,7 +174,8 @@ void TextItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* style, Q
painter->setOpacity(qreal(foregroundOpacity())/100); painter->setOpacity(qreal(foregroundOpacity())/100);
QAbstractTextDocumentLayout::PaintContext ctx; QAbstractTextDocumentLayout::PaintContext ctx;
ctx.palette.setColor(QPalette::Text, fontColor()); ctx.palette.setColor(QPalette::Text, fontColor());
for(QTextBlock it=m_text->begin();it!=m_text->end();it=it.next()){
for(QTextBlock it = text->begin(); it != text->end(); it=it.next()){
it.blockFormat().setLineHeight(m_lineSpacing,QTextBlockFormat::LineDistanceHeight); it.blockFormat().setLineHeight(m_lineSpacing,QTextBlockFormat::LineDistanceHeight);
for (int i=0;i<it.layout()->lineCount();i++){ for (int i=0;i<it.layout()->lineCount();i++){
QTextLine line = it.layout()->lineAt(i); QTextLine line = it.layout()->lineAt(i);
@ -187,7 +186,8 @@ void TextItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* style, Q
} }
} }
} }
m_text->documentLayout()->draw(painter,ctx);
text->documentLayout()->draw(painter,ctx);
if (m_underlines){ if (m_underlines){
if (lineHeight<0) lineHeight = painter->fontMetrics().height(); if (lineHeight<0) lineHeight = painter->fontMetrics().height();
@ -196,19 +196,6 @@ void TextItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* style, Q
} }
} }
//painter->setOpacity(qreal(foregroundOpacity())/100);
//m_text->setDefaultTextOption();
//QAbstractTextDocumentLayout::PaintContext ctx;
//ctx.palette.setColor(QPalette::Text, fontColor());
//m_text->documentLayout()->draw(painter,ctx);
// m_layout.draw(ppainter,QPointF(marginSize(),0),);
// ppainter->setFont(transformToSceneFont(font()));
// QTextOption o;
// o.setAlignment(alignment());
// ppainter->drawText(rect(), content(), o);
painter->restore(); painter->restore();
BaseDesignIntf::paint(painter, style, widget); BaseDesignIntf::paint(painter, style, widget);
} }
@ -222,8 +209,8 @@ void TextItem::Init()
m_autoWidth = NoneAutoWidth; m_autoWidth = NoneAutoWidth;
m_alignment = Qt::AlignLeft|Qt::AlignTop; m_alignment = Qt::AlignLeft|Qt::AlignTop;
m_autoHeight = false; m_autoHeight = false;
// m_text->setDefaultFont(transformToSceneFont(font()));
m_textSize = QSizeF(); m_textSize = QSizeF();
m_firstLineSize = 0;
m_foregroundOpacity = 100; m_foregroundOpacity = 100;
m_underlines = false; m_underlines = false;
m_adaptFontToSize = false; m_adaptFontToSize = false;
@ -237,18 +224,13 @@ void TextItem::setContent(const QString &value)
if (m_strText.compare(value)!=0){ if (m_strText.compare(value)!=0){
QString oldValue = m_strText; QString oldValue = m_strText;
m_strText=value; m_strText=value;
if (allowHTML())
m_text->setHtml(replaceReturns(value.trimmed()));
else
m_text->setPlainText(value);
//m_text->setTextWidth(width());
//m_textSize=m_text->size();
if (itemMode() == DesignMode){ if (itemMode() == DesignMode){
initText(); initTextSizes();
} }
if (!isLoading()){ if (!isLoading()){
initText(); initTextSizes();
update(rect()); update(rect());
notify("content",oldValue,value); notify("content",oldValue,value);
} }
@ -260,7 +242,7 @@ void TextItem::updateItemSize(DataSourceManager* dataManager, RenderPass pass, i
if (isNeedExpandContent()) if (isNeedExpandContent())
expandContent(dataManager, pass); expandContent(dataManager, pass);
if (!isLoading()) if (!isLoading())
initText(); initTextSizes();
if (m_textSize.width()>width() && ((m_autoWidth==MaxWordLength)||(m_autoWidth==MaxStringLength))){ if (m_textSize.width()>width() && ((m_autoWidth==MaxWordLength)||(m_autoWidth==MaxStringLength))){
setWidth(m_textSize.width() + fakeMarginSize()*2); setWidth(m_textSize.width() + fakeMarginSize()*2);
@ -311,24 +293,25 @@ QString TextItem::replaceReturns(QString text)
return result; return result;
} }
void TextItem::setTextFont(const QFont& value){ void TextItem::setTextFont(TextPtr text, const QFont& value) {
m_text->setDefaultFont(value); text->setDefaultFont(value);
if ((m_angle==Angle0)||(m_angle==Angle180)){ if ((m_angle==Angle0)||(m_angle==Angle180)){
m_text->setTextWidth(rect().width()-fakeMarginSize()*2); text->setTextWidth(rect().width()-fakeMarginSize()*2);
} else { } else {
m_text->setTextWidth(rect().height()-fakeMarginSize()*2); text->setTextWidth(rect().height()-fakeMarginSize()*2);
} }
} }
void TextItem::adaptFontSize(){ void TextItem::adaptFontSize(TextPtr text) {
QFont _font = transformToSceneFont(font()); QFont _font = transformToSceneFont(font());
do{ do{
setTextFont(_font); setTextFont(text,_font);
if (_font.pixelSize()>2) if (_font.pixelSize()>2)
_font.setPixelSize(_font.pixelSize()-1); _font.setPixelSize(_font.pixelSize()-1);
else break; else break;
} while(m_text->size().height()>this->height() || m_text->size().width()>(this->width())-fakeMarginSize()*2); } while(text->size().height()>this->height() || text->size().width()>(this->width()) - fakeMarginSize() * 2);
} }
int TextItem::underlineLineSize() const int TextItem::underlineLineSize() const
{ {
return m_underlineLineSize; return m_underlineLineSize;
@ -351,53 +334,18 @@ void TextItem::setLineSpacing(int value)
{ {
int oldValue = m_lineSpacing; int oldValue = m_lineSpacing;
m_lineSpacing = value; m_lineSpacing = value;
initText(); initTextSizes();
update(); update();
notify("lineSpacing",oldValue,value); notify("lineSpacing",oldValue,value);
} }
void TextItem::initText() void TextItem::initTextSizes()
{ {
if (!m_text) return; TextPtr text = textDocument();
QTextOption to; m_textSize= text->size();
to.setAlignment(m_alignment); if (text->begin().isValid() && text->begin().layout()->lineAt(0).isValid())
m_firstLineSize = text->begin().layout()->lineAt(0).height();
if (m_autoWidth!=MaxStringLength)
if (m_adaptFontToSize && (!(m_autoHeight || m_autoWidth)))
to.setWrapMode(QTextOption::WordWrap);
else
to.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
else to.setWrapMode(QTextOption::NoWrap);
m_text->setDocumentMargin(0);
m_text->setDefaultTextOption(to);
QFont _font = transformToSceneFont(font());
if (m_adaptFontToSize && (!(m_autoHeight || m_autoWidth))){
adaptFontSize();
} else {
setTextFont(transformToSceneFont(font()));
}
if ((m_angle==Angle0)||(m_angle==Angle180)){
m_text->setTextWidth(rect().width()-fakeMarginSize()*2);
} else {
m_text->setTextWidth(rect().height()-fakeMarginSize()*2);
}
for ( QTextBlock block = m_text->begin(); block.isValid(); block = block.next())
{
QTextCursor tc = QTextCursor(block);
QTextBlockFormat fmt = block.blockFormat();
if(fmt.lineHeight() != m_lineSpacing) {
fmt.setLineHeight(m_lineSpacing,QTextBlockFormat::LineDistanceHeight);
tc.setBlockFormat( fmt );
}
}
m_textSize=m_text->size();
} }
QString TextItem::formatDateTime(const QDateTime &value) QString TextItem::formatDateTime(const QDateTime &value)
@ -461,6 +409,52 @@ QString TextItem::formatFieldValue()
} }
} }
TextItem::TextPtr TextItem::textDocument()
{
TextPtr text(new QTextDocument);
if (allowHTML())
text->setHtml(m_strText);
else
text->setPlainText(m_strText);
QTextOption to;
to.setAlignment(m_alignment);
if (m_autoWidth!=MaxStringLength)
if (m_adaptFontToSize && (!(m_autoHeight || m_autoWidth)))
to.setWrapMode(QTextOption::WordWrap);
else
to.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
else to.setWrapMode(QTextOption::NoWrap);
text->setDocumentMargin(0);
text->setDefaultTextOption(to);
QFont _font = transformToSceneFont(font());
if (m_adaptFontToSize && (!(m_autoHeight || m_autoWidth))){
adaptFontSize(text);
} else {
setTextFont(text,_font);
}
text->documentLayout();
for ( QTextBlock block = text->begin(); block.isValid(); block = block.next())
{
QTextCursor tc = QTextCursor(block);
QTextBlockFormat fmt = block.blockFormat();
if(fmt.lineHeight() != m_lineSpacing) {
fmt.setLineHeight(m_lineSpacing,QTextBlockFormat::LineDistanceHeight);
tc.setBlockFormat( fmt );
}
}
return text;
}
QString TextItem::followTo() const QString TextItem::followTo() const
{ {
return m_followTo; return m_followTo;
@ -564,13 +558,14 @@ void TextItem::setAllowHTML(bool allowHTML)
{ {
if (m_allowHTML!=allowHTML){ if (m_allowHTML!=allowHTML){
m_allowHTML = allowHTML; m_allowHTML = allowHTML;
if (m_text){ // if (m_text){
if (allowHTML) // if (allowHTML)
m_text->setHtml(m_strText); // m_text->setHtml(m_strText);
else // else
m_text->setPlainText(m_strText); // m_text->setPlainText(m_strText);
// update();
// }
update(); update();
}
notify("allowHTML",!m_allowHTML,allowHTML); notify("allowHTML",!m_allowHTML,allowHTML);
} }
} }
@ -588,16 +583,7 @@ void TextItem::setTrimValue(bool value)
void TextItem::geometryChangedEvent(QRectF , QRectF) void TextItem::geometryChangedEvent(QRectF , QRectF)
{ {}
// if ((m_angle==Angle0)||(m_angle==Angle180)){
// m_text->setTextWidth(rect().width()-fakeMarginSize()*2);
// } else {
// m_text->setTextWidth(rect().height()-fakeMarginSize()*2);
// }
if (itemMode() == DesignMode) initText();
else if (adaptFontToSize()) initText();
}
bool TextItem::isNeedUpdateSize(RenderPass pass) const bool TextItem::isNeedUpdateSize(RenderPass pass) const
{ {
@ -616,7 +602,6 @@ void TextItem::setAlignment(Qt::Alignment value)
m_alignment=value; m_alignment=value;
//m_layout.setTextOption(QTextOption(m_alignment)); //m_layout.setTextOption(QTextOption(m_alignment));
if (!isLoading()){ if (!isLoading()){
initText();
update(rect()); update(rect());
notify("alignment",QVariant(oldValue),QVariant(value)); notify("alignment",QVariant(oldValue),QVariant(value));
} }
@ -625,7 +610,6 @@ void TextItem::setAlignment(Qt::Alignment value)
void TextItem::expandContent(DataSourceManager* dataManager, RenderPass pass) void TextItem::expandContent(DataSourceManager* dataManager, RenderPass pass)
{ {
QString context=content(); QString context=content();
ExpandType expandType = (allowHTML() && !allowHTMLInFields())?ReplaceHTMLSymbols:NoEscapeSymbols; ExpandType expandType = (allowHTML() && !allowHTMLInFields())?ReplaceHTMLSymbols:NoEscapeSymbols;
switch(pass){ switch(pass){
@ -670,7 +654,7 @@ void TextItem::setAdaptFontToSize(bool value)
if (m_adaptFontToSize!=value){ if (m_adaptFontToSize!=value){
bool oldValue = m_adaptFontToSize; bool oldValue = m_adaptFontToSize;
m_adaptFontToSize=value; m_adaptFontToSize=value;
initText(); // initText();
invalidateRect(rect()); invalidateRect(rect());
notify("updateFontToSize",oldValue,value); notify("updateFontToSize",oldValue,value);
} }
@ -678,7 +662,8 @@ void TextItem::setAdaptFontToSize(bool value)
bool TextItem::canBeSplitted(int height) const bool TextItem::canBeSplitted(int height) const
{ {
return height>(m_text->begin().layout()->lineAt(0).height()); QFontMetrics fm(font());
return height > m_firstLineSize;
} }
QString TextItem::getTextPart(int height, int skipHeight){ QString TextItem::getTextPart(int height, int skipHeight){
@ -686,11 +671,13 @@ QString TextItem::getTextPart(int height, int skipHeight){
int curLine = 0; int curLine = 0;
int textPos = 0; int textPos = 0;
QTextBlock curBlock = m_text->begin(); TextPtr text = textDocument();
QTextBlock curBlock = text->begin();
QString resultText = ""; QString resultText = "";
if (skipHeight > 0){ if (skipHeight > 0){
for (;curBlock!=m_text->end();curBlock=curBlock.next()){ for (;curBlock != text->end(); curBlock=curBlock.next()){
for (curLine = 0; curLine < curBlock.layout()->lineCount(); curLine++){ for (curLine = 0; curLine < curBlock.layout()->lineCount(); curLine++){
linesHeight += curBlock.layout()->lineAt(curLine).height() + lineSpacing(); linesHeight += curBlock.layout()->lineAt(curLine).height() + lineSpacing();
if (linesHeight > (skipHeight-(/*fakeMarginSize()*2+*/borderLineSize() * 2))) {goto loop_exit;} if (linesHeight > (skipHeight-(/*fakeMarginSize()*2+*/borderLineSize() * 2))) {goto loop_exit;}
@ -701,7 +688,7 @@ QString TextItem::getTextPart(int height, int skipHeight){
linesHeight = 0; linesHeight = 0;
for (;curBlock!=m_text->end() || curLine<curBlock.lineCount();curBlock=curBlock.next(), curLine=0, resultText+='\n'){ for (;curBlock != text->end() || curLine<curBlock.lineCount(); curBlock = curBlock.next(), curLine = 0, resultText += '\n'){
for (; curLine<curBlock.layout()->lineCount(); curLine++){ for (; curLine<curBlock.layout()->lineCount(); curLine++){
if (resultText == "") textPos= curBlock.layout()->lineAt(curLine).textStart(); if (resultText == "") textPos= curBlock.layout()->lineAt(curLine).textStart();
linesHeight += curBlock.layout()->lineAt(curLine).height() + lineSpacing(); linesHeight += curBlock.layout()->lineAt(curLine).height() + lineSpacing();
@ -742,7 +729,7 @@ BaseDesignIntf *TextItem::cloneUpperPart(int height, QObject *owner, QGraphicsIt
{ {
TextItem* upperPart = dynamic_cast<TextItem*>(cloneItem(itemMode(),owner,parent)); TextItem* upperPart = dynamic_cast<TextItem*>(cloneItem(itemMode(),owner,parent));
upperPart->setContent(getTextPart(height,0)); upperPart->setContent(getTextPart(height,0));
upperPart->initText(); upperPart->initTextSizes();
upperPart->setHeight(upperPart->textSize().height()+borderLineSize()*2); upperPart->setHeight(upperPart->textSize().height()+borderLineSize()*2);
return upperPart; return upperPart;
} }
@ -751,7 +738,7 @@ BaseDesignIntf *TextItem::cloneBottomPart(int height, QObject *owner, QGraphicsI
{ {
TextItem* bottomPart = dynamic_cast<TextItem*>(cloneItem(itemMode(),owner,parent)); TextItem* bottomPart = dynamic_cast<TextItem*>(cloneItem(itemMode(),owner,parent));
bottomPart->setContent(getTextPart(0,height)); bottomPart->setContent(getTextPart(0,height));
bottomPart->initText(); bottomPart->initTextSizes();
bottomPart->setHeight(bottomPart->textSize().height()+borderLineSize()*2); bottomPart->setHeight(bottomPart->textSize().height()+borderLineSize()*2);
return bottomPart; return bottomPart;
} }
@ -773,7 +760,7 @@ void TextItem::objectLoadFinished()
{ {
ItemDesignIntf::objectLoadFinished(); ItemDesignIntf::objectLoadFinished();
if (itemMode() == DesignMode || !isNeedExpandContent()){ if (itemMode() == DesignMode || !isNeedExpandContent()){
initText(); initTextSizes();
} }
} }
@ -782,7 +769,7 @@ void TextItem::setTextItemFont(QFont value)
if (font()!=value){ if (font()!=value){
QFont oldValue = font(); QFont oldValue = font();
setFont(value); setFont(value);
m_text->setDefaultFont(transformToSceneFont(value)); update();
notify("font",oldValue,value); notify("font",oldValue,value);
} }
} }
@ -844,7 +831,6 @@ void TextItem::setAngle(const AngleType& value)
AngleType oldValue = m_angle; AngleType oldValue = m_angle;
m_angle = value; m_angle = value;
if (!isLoading()){ if (!isLoading()){
initText();
update(); update();
notify("angle",oldValue,value); notify("angle",oldValue,value);
} }

15
limereport/items/lrtextitem.h
View File

@ -153,30 +153,35 @@ public:
// IPageInit interface // IPageInit interface
void pageObjectHasBeenLoaded(); void pageObjectHasBeenLoaded();
typedef QSharedPointer<QTextDocument> TextPtr;
protected: protected:
void updateLayout(); void updateLayout();
bool isNeedExpandContent() const; bool isNeedExpandContent() const;
QString replaceBR(QString text); QString replaceBR(QString text);
QString replaceReturns(QString text); QString replaceReturns(QString text);
int fakeMarginSize(); int fakeMarginSize() const;
QString getTextPart(int height, int skipHeight); QString getTextPart(int height, int skipHeight);
void restoreLinksEvent(); void restoreLinksEvent();
private: private:
void initText(); void initTextSizes();
void setTextFont(const QFont &value); void setTextFont(TextPtr text, const QFont &value);
void adaptFontSize(); void adaptFontSize(TextPtr text);
QString formatDateTime(const QDateTime &value); QString formatDateTime(const QDateTime &value);
QString formatNumber(const double value); QString formatNumber(const double value);
QString formatFieldValue(); QString formatFieldValue();
TextPtr textDocument();
private: private:
QString m_strText; QString m_strText;
//QTextLayout m_layout; //QTextLayout m_layout;
QTextDocument* m_text; //QTextDocument* m_text;
Qt::Alignment m_alignment; Qt::Alignment m_alignment;
bool m_autoHeight; bool m_autoHeight;
AutoWidth m_autoWidth; AutoWidth m_autoWidth;
QSizeF m_textSize; QSizeF m_textSize;
qreal m_firstLineSize;
AngleType m_angle; AngleType m_angle;
int m_foregroundOpacity; int m_foregroundOpacity;
bool m_underlines; bool m_underlines;