mirror of
https://github.com/python-LimeReport/LimeReport.git
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505 lines
15 KiB
C++
505 lines
15 KiB
C++
/***************************************************************************
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* This file is part of the Lime Report project *
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* Copyright (C) 2015 by Alexander Arin *
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* arin_a@bk.ru *
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* *
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** GNU General Public License Usage **
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* *
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* This library is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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** GNU Lesser General Public License **
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* *
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* This library is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library. *
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* If not, see <http://www.gnu.org/licenses/>. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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****************************************************************************/
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#include <QtGui>
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#include <QTextLayout>
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#include <QScriptEngine>
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#include <math.h>
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#include "lrpagedesignintf.h"
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#include "lrtextitem.h"
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#include "lrdesignelementsfactory.h"
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#include "lrglobal.h"
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#include "lrdatasourcemanager.h"
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#include "lrsimpletagparser.h"
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#include "lrtextitemeditor.h"
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#include "lrreportengine_p.h"
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namespace{
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const QString xmlTag = "TextItem";
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LimeReport::BaseDesignIntf * createTextItem(QObject* owner, LimeReport::BaseDesignIntf* parent){
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return new LimeReport::TextItem(owner,parent);
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}
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bool registred = LimeReport::DesignElementsFactory::instance().registerCreator(xmlTag, LimeReport::ItemAttribs(QObject::tr("Text Item"),"TextItem"), createTextItem);
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}
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namespace LimeReport{
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TextItem::TextItem(QObject *owner, QGraphicsItem *parent)
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: ContentItemDesignIntf(xmlTag,owner,parent), m_angle(Angle0),m_trimValue(true){
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m_text = new QTextDocument();
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Init();
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}
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TextItem::TextItem(const QString& text, QObject* owner /*= 0*/, QGraphicsItem* parent /*= 0*/)
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: ContentItemDesignIntf(xmlTag, owner,parent), m_angle(Angle0), m_trimValue(true){
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m_strText = text;
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m_text = new QTextDocument(text);
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m_text->setHtml(replaceReturns(m_strText));
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initText();
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Init();
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}
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TextItem::~TextItem()
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{
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delete m_text;
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}
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void TextItem::paint(QPainter* ppainter, const QStyleOptionGraphicsItem* style, QWidget* widget) {
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Q_UNUSED(widget);
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Q_UNUSED(style);
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ppainter->save();
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setupPainter(ppainter);
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prepareRect(ppainter,style,widget);
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QSizeF tmpSize = rect().size()-m_textSize;
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if ((tmpSize.height()>0) && (m_alignment & Qt::AlignVCenter)) //allow html
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ppainter->translate(0,tmpSize.height()/2);
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if ((tmpSize.height()>0) && (m_alignment & Qt::AlignBottom)) // allow html
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ppainter->translate(0,tmpSize.height());
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if (!ppainter->clipRegion().isEmpty()){
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QRegion clipReg=ppainter->clipRegion().xored(ppainter->clipRegion().subtracted(rect().toRect()));
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ppainter->setClipRegion(clipReg);
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} else {
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ppainter->setClipRect(rect());
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}
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switch (m_angle){
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case Angle90:
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ppainter->translate(width(),0);
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ppainter->rotate(90);
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break;
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case Angle180:
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ppainter->translate(width(),height());
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ppainter->rotate(180);
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break;
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case Angle270:
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ppainter->translate(0,height());
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ppainter->rotate(270);
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break;
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case Angle45:
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ppainter->translate(width()/2,0);
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ppainter->rotate(45);
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m_text->setTextWidth(sqrt(2*(pow(width()/2,2))));
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break;
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case Angle315:
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ppainter->translate(0,height()/2);
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ppainter->rotate(315);
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m_text->setTextWidth(sqrt(2*(pow(height()/2,2))));
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break;
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default:
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break;
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}
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for(QTextBlock it=m_text->begin();it!=m_text->end();it=it.next()){
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for (int i=0;i<it.layout()->lineCount();i++){
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ppainter->setOpacity(qreal(foregroundOpacity())/100);
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it.layout()->lineAt(i).draw(ppainter,QPointF(marginSize(),0));
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}
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}
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// m_layout.draw(ppainter,QPointF(marginSize(),0),);
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// ppainter->setFont(transformToSceneFont(font()));
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// QTextOption o;
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// o.setAlignment(alignment());
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// ppainter->drawText(rect(), content(), o);
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ppainter->restore();
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BaseDesignIntf::paint(ppainter, style, widget);
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}
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QString TextItem::content() const{
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return m_strText;
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}
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void TextItem::Init()
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{
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m_autoWidth=NoneAutoWidth;
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m_alignment= Qt::AlignLeft|Qt::AlignTop;
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m_autoHeight=false;
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m_text->setDefaultFont(transformToSceneFont(font()));
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m_textSize=QSizeF();
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m_foregroundOpacity = 100;
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}
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void TextItem::setContent(const QString &value)
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{
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if (m_strText.compare(value)!=0){
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QString oldValue = m_strText;
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m_strText=value;
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m_text->setHtml(replaceReturns(value.trimmed()));
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m_text->setTextWidth(width());
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m_textSize=m_text->size();
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if (!isLoading()){
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update(rect());
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notify("content",oldValue,value);
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//updateLayout();
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}
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}
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}
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void TextItem::updateItemSize(RenderPass pass, int /*maxHeight*/)
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{
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if (isNeedExpandContent())
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expandContent(pass);
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if (!isLoading())
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initText();
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if (m_textSize.width()>width() && ((m_autoWidth==MaxWordLength)||(m_autoWidth==MaxStringLength))){
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setWidth(m_textSize.width());
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}
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if ((m_textSize.height()>height()) && (m_autoHeight) ){
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setHeight(m_textSize.height()+5);
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}
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}
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void TextItem::updateLayout()
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{
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m_layout.setFont(transformToSceneFont(font()));
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m_layout.setText(content());
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qreal linePos = 0;
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m_layout.beginLayout();
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while(true){
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QTextLine line = m_layout.createLine();
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if (!line.isValid()) break;
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line.setLineWidth(width()-marginSize()*2);
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line.setPosition(QPoint(marginSize(),linePos));
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linePos+=line.height();
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}
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m_layout.endLayout();
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}
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bool TextItem::isNeedExpandContent() const
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{
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QRegExp rx("$*\\{[^{]*\\}");
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return content().contains(rx);
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}
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QString TextItem::replaceBR(QString text)
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{
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return text.replace("<br/>","\n");
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}
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QString TextItem::replaceReturns(QString text)
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{
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QString result = text.replace("\r\n","<br/>");
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result = result.replace("\n","<br/>");
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return result;
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}
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void TextItem::initText()
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{
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QTextOption to;
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to.setAlignment(m_alignment);
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if (m_autoWidth!=MaxStringLength)
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to.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
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else to.setWrapMode(QTextOption::NoWrap);
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m_text->setDocumentMargin(marginSize());
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m_text->setDefaultTextOption(to);
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m_text->setDefaultFont(transformToSceneFont(font()));
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if ((m_angle==Angle0)||(m_angle==Angle180)){
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m_text->setTextWidth(rect().width());
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} else {
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m_text->setTextWidth(rect().height());
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}
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m_textSize=m_text->size();
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}
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bool TextItem::trimValue() const
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{
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return m_trimValue;
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}
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void TextItem::setTrimValue(bool trimValue)
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{
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m_trimValue = trimValue;
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}
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void TextItem::geometryChangedEvent(QRectF , QRectF)
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{
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if ((m_angle==Angle0)||(m_angle==Angle180)){
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m_text->setTextWidth(rect().width());
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} else {
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m_text->setTextWidth(rect().height());
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}
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m_textSize=m_text->size();
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}
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bool TextItem::isNeedUpdateSize(RenderPass pass) const
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{
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Q_UNUSED(pass)
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bool res = (m_textSize.height()>geometry().height()&&autoHeight()) ||
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(m_textSize.width()>geometry().width()&&autoWidth()) ||
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isNeedExpandContent();
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return res;
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}
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//void TextItem::setMarginSize(int value)
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//{
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// if (m_margin!=value){
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// int oldValue = m_margin;
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// m_margin=value;
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// if (!isLoading()){
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// update(rect());
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// notify("margin", oldValue, value);
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// }
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// }
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//}
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void TextItem::setAlignment(Qt::Alignment value)
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{
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if (m_alignment!=value){
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Qt::Alignment oldValue = m_alignment;
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m_alignment=value;
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m_layout.setTextOption(QTextOption(m_alignment));
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if (!isLoading()){
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initText();
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update(rect());
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notify("alignment",QVariant(oldValue),QVariant(value));
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}
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}
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}
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void TextItem::expandContent(RenderPass pass)
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{
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QString context=content();
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switch(pass){
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case FirstPass:
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context=expandUserVariables(context, pass, NoEscapeSymbols);
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context=expandScripts(context);
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context=expandDataFields(context, NoEscapeSymbols);
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break;
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case SecondPass:;
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context=expandUserVariables(context, pass, NoEscapeSymbols);
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context=expandScripts(context);
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}
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setContent(context);
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}
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void TextItem::setAutoHeight(bool value)
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{
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if (m_autoHeight!=value){
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bool oldValue = m_autoHeight;
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m_autoHeight=value;
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notify("autoHeight",oldValue,value);
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}
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}
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void TextItem::setAutoWidth(TextItem::AutoWidth value)
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{
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if (m_autoWidth!=value){
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TextItem::AutoWidth oldValue = m_autoWidth;
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m_autoWidth=value;
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notify("autoWidth",oldValue,value);
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}
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}
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bool TextItem::canBeSplitted(int height) const
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{
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return height>(m_text->begin().layout()->lineAt(0).height());
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}
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BaseDesignIntf *TextItem::cloneUpperPart(int height, QObject *owner, QGraphicsItem *parent)
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{
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int linesHeight=0;
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initText();
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QString tmpText="";
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TextItem* upperPart = dynamic_cast<TextItem*>(cloneItem(itemMode(),owner,parent));
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for (QTextBlock it=m_text->begin();it!=m_text->end();it=it.next()){
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for (int i=0;i<it.layout()->lineCount();i++){
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linesHeight+=it.layout()->lineAt(i).height();
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if (linesHeight>(height-(marginSize()*2))) {linesHeight-=it.layout()->lineAt(i).height(); goto loop_exit;}
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tmpText+=it.text().mid(it.layout()->lineAt(i).textStart(),it.layout()->lineAt(i).textLength())+'\n';
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}
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}
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loop_exit:
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upperPart->setHeight(linesHeight+marginSize()*2);
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QScopedPointer<HtmlContext> context(new HtmlContext(m_strText));
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upperPart->setContent(context->extendTextByTags(tmpText,0));
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return upperPart;
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}
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BaseDesignIntf *TextItem::cloneBottomPart(int height, QObject *owner, QGraphicsItem *parent)
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{
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TextItem* bottomPart = dynamic_cast<TextItem*>(cloneItem(itemMode(),owner,parent));
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int linesHeight=0;
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int curLine=0;
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QTextBlock curBlock;
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QString tmpText="";
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for (curBlock=m_text->begin();curBlock!=m_text->end();curBlock=curBlock.next()){
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for (curLine=0;curLine<curBlock.layout()->lineCount();curLine++){
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linesHeight+=curBlock.layout()->lineAt(curLine).height();
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if (linesHeight>(height-(marginSize()*2))) {goto loop_exit;}
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}
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}
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loop_exit:;
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int textPos=0;
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for (;curBlock!=m_text->end();curBlock=curBlock.next()){
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for (;curLine<curBlock.layout()->lineCount();curLine++){
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if (tmpText=="") textPos= curBlock.layout()->lineAt(curLine).textStart();
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tmpText+=curBlock.text().mid(curBlock.layout()->lineAt(curLine).textStart(),
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curBlock.layout()->lineAt(curLine).textLength())+"\n";
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}
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}
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QScopedPointer<HtmlContext> context(new HtmlContext(m_strText));
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bottomPart->setContent(context->extendTextByTags(tmpText,textPos));
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bottomPart->setHeight(bottomPart->m_textSize.height()+5);
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return bottomPart;
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}
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BaseDesignIntf *TextItem::createSameTypeItem(QObject *owner, QGraphicsItem *parent)
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{
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return new TextItem(owner,parent);
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}
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BaseDesignIntf *TextItem::cloneEmpty(int height, QObject *owner, QGraphicsItem *parent)
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{
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TextItem* empty=dynamic_cast<TextItem*>(cloneItem(itemMode(),owner,parent));
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empty->setContent("");
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empty->setHeight(height);
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return empty;
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}
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void TextItem::objectLoadFinished()
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{
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ItemDesignIntf::objectLoadFinished();
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initText();
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}
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void TextItem::setTextItemFont(QFont value)
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{
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if (font()!=value){
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QFont oldValue = font();
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setFont(value);
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m_text->setDefaultFont(transformToSceneFont(value));
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notify("font",oldValue,value);
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}
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}
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QWidget *TextItem::defaultEditor()
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{
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QSettings* l_settings = (page()->settings() != 0) ?
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page()->settings() :
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(page()->reportEditor()!=0) ? page()->reportEditor()->settings() : 0;
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QWidget* editor = new TextItemEditor(this,page(),l_settings);
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editor->setAttribute(Qt::WA_DeleteOnClose);
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return editor;
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}
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void TextItem::setBackgroundOpacity(int value)
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{
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if (opacity()!=value){
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int oldValue = opacity();
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setOpacity(value);
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notify("backgroundOpacity",oldValue,value);
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}
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}
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void TextItem::setBackgroundModeProperty(BaseDesignIntf::BGMode value)
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{
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if (value!=backgroundMode()){
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BaseDesignIntf::BGMode oldValue = backgroundMode();
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setBackgroundMode(value);
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notify("backgroundMode",oldValue,value);
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}
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}
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void TextItem::setBackgroundColorProperty(QColor value)
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{
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if(value!=backgroundColor()){
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QColor oldValue = backgroundColor();
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setBackgroundColor(value);
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notify("backgroundMode",oldValue,value);
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}
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}
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void TextItem::setFontColorProperty(QColor value)
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{
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if(value!=fontColor()){
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QColor oldValue = fontColor();
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setFontColor(value);
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notify("fontColor",oldValue,value);
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}
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}
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TextItem::AngleType TextItem::angle() const
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{
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return m_angle;
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}
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void TextItem::setAngle(const AngleType& value)
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{
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if (m_angle!=value){
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AngleType oldValue = m_angle;
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m_angle = value;
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if (!isLoading()){
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initText();
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update();
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notify("angle",oldValue,value);
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}
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}
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}
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void TextItem::setForegroundOpacity(int value)
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{
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if (value>100){
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value=100;
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} else if(value<0){
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value=0;
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}
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if (m_foregroundOpacity != value){
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int oldValue = m_foregroundOpacity;
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m_foregroundOpacity = value;
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update();
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notify("foregroundOpacity",oldValue,value);
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}
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}
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} //namespace LimeReport
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