mirror of
https://github.com/fralx/LimeReport.git
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543 lines
18 KiB
C++
543 lines
18 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 "lrhorizontallayout.h"
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#include "lrdesignelementsfactory.h"
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#include <QDebug>
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#include <QObject>
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#include <QGraphicsScene>
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#include <QGraphicsSceneMouseEvent>
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#include "lrbasedesignintf.h"
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const QString xmlTag = "HLayout";
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namespace {
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LimeReport::BaseDesignIntf *createHLayout(QObject *owner, LimeReport::BaseDesignIntf *parent)
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{
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return new LimeReport::HorizontalLayout(owner, parent);
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}
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bool VARIABLE_IS_NOT_USED registred = LimeReport::DesignElementsFactory::instance().registerCreator(
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xmlTag,
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LimeReport::ItemAttribs(QObject::tr("HLayout"), LimeReport::Const::bandTAG),
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createHLayout
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);
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}
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namespace LimeReport {
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bool lessThen(BaseDesignIntf *c1, BaseDesignIntf* c2){
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return c1->pos().x()<c2->pos().x();
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}
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HorizontalLayout::HorizontalLayout(QObject *owner, QGraphicsItem *parent)
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: LayoutDesignIntf(xmlTag, owner, parent),m_isRelocating(false),m_layoutType(Layout)
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{
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setPossibleResizeDirectionFlags(ResizeBottom);
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m_layoutMarker = new LayoutMarker(this);
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m_layoutMarker->setParentItem(this);
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m_layoutMarker->setColor(Qt::red);
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m_layoutMarker->setHeight(height());
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m_layoutMarker->setZValue(1);
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}
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HorizontalLayout::~HorizontalLayout()
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{
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if (m_layoutMarker) {
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delete m_layoutMarker; m_layoutMarker=0;
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}
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}
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BaseDesignIntf *HorizontalLayout::createSameTypeItem(QObject *owner, QGraphicsItem *parent)
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{
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return new LimeReport::HorizontalLayout(owner, parent);
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}
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void HorizontalLayout::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event)
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// if ((itemMode() & LayoutEditMode) || isSelected()){
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// setChildVisibility(false);
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// }
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}
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void HorizontalLayout::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event)
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// setChildVisibility(true);
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}
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void HorizontalLayout::geometryChangedEvent(QRectF newRect, QRectF )
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{
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m_layoutMarker->setHeight(newRect.height());
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relocateChildren();
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if (m_layoutType == Table && !m_isRelocating){
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divideSpace();
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}
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}
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void HorizontalLayout::setChildVisibility(bool value){
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foreach(QGraphicsItem* child,childItems()){
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BaseDesignIntf* item = dynamic_cast<BaseDesignIntf*>(child);
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if(item)
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item->setVisible(value);
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}
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}
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int HorizontalLayout::childrenCount()
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{
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return m_children.size();
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}
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void HorizontalLayout::initMode(BaseDesignIntf::ItemMode mode)
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{
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BaseDesignIntf::initMode(mode);
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if ((mode==PreviewMode)||(mode==PrintMode)){
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m_layoutMarker->setVisible(false);
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} else {
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m_layoutMarker->setVisible(true);
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}
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}
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bool HorizontalLayout::canBeSplitted(int height) const
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{
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foreach(QGraphicsItem* qgItem,childItems()){
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BaseDesignIntf* item=dynamic_cast<BaseDesignIntf*>(qgItem);
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if (item)
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if (!item->canBeSplitted(height-item->pos().y())) return false;
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}
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return true;
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}
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BaseDesignIntf *HorizontalLayout::cloneUpperPart(int height, QObject *owner, QGraphicsItem *parent)
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{
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HorizontalLayout* upperPart = dynamic_cast<HorizontalLayout*>(createSameTypeItem(owner,parent));
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upperPart->initFromItem(this);
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qreal maxHeight = 0;
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foreach(BaseDesignIntf* item,childBaseItems()){
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if ((item->geometry().top()<height) && (item->geometry().bottom()>height)){
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int sliceHeight = height-item->geometry().top();
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if (item->canBeSplitted(sliceHeight)){
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BaseDesignIntf* slicedPart = item->cloneUpperPart(sliceHeight,upperPart,upperPart);
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if (maxHeight<slicedPart->height()) maxHeight = slicedPart->height();
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} else {
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item->cloneEmpty(sliceHeight,upperPart,upperPart);
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item->setPos(item->pos().x(),item->pos().y()+((height+1)-item->geometry().top()));
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}
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}
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}
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foreach(BaseDesignIntf* item, upperPart->childBaseItems()){
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item->setHeight((maxHeight<height)?maxHeight:height);
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}
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upperPart->setHeight(height);
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return upperPart;
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}
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BaseDesignIntf *HorizontalLayout::cloneBottomPart(int height, QObject *owner, QGraphicsItem *parent)
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{
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qreal maxHeight = 0;
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HorizontalLayout* bottomPart = dynamic_cast<HorizontalLayout*>(createSameTypeItem(owner,parent));
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bottomPart->initFromItem(this);
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foreach(BaseDesignIntf* item,childBaseItems()){
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if ((item->geometry().top()<height) && (item->geometry().bottom()>height)){
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BaseDesignIntf* tmpItem=item->cloneBottomPart(height,bottomPart,bottomPart);
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tmpItem->setPos(tmpItem->pos().x(),0);
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if (maxHeight<tmpItem->height())
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maxHeight = tmpItem->height();
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}
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}
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if (!bottomPart->isEmpty()){
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foreach (BaseDesignIntf* item, bottomPart->childBaseItems()) {
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item->setHeight(maxHeight);
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}
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bottomPart->setHeight(maxHeight);
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}
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return bottomPart;
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}
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void HorizontalLayout::setItemAlign(const BaseDesignIntf::ItemAlign &itemAlign)
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{
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if (itemAlign == ParentWidthItemAlign)
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setLayoutType(Table);
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BaseDesignIntf::setItemAlign(itemAlign);
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}
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void HorizontalLayout::setBorderLinesFlags(BaseDesignIntf::BorderLines flags)
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{
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BaseDesignIntf::setBorderLinesFlags(flags);
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if (flags!=0)
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relocateChildren();
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}
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void HorizontalLayout::restoreChild(BaseDesignIntf* item){
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if (m_children.contains(item)) return;
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m_isRelocating=true;
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foreach (BaseDesignIntf* child, childBaseItems()) {
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if (child->pos()==item->pos()){
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int index = m_children.indexOf(child)-1;
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m_children.insert(index,item);
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child->setPos(item->pos().x()+item->width(),0);
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break;
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}
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}
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connect(item,SIGNAL(destroyed(QObject*)),this,SLOT(slotOnChildDestroy(QObject*)));
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connect(item,SIGNAL(geometryChanged(QObject*,QRectF,QRectF)),
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this,SLOT(slotOnChildGeometryChanged(QObject*,QRectF,QRectF)));
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connect(item, SIGNAL(itemAlignChanged(BaseDesignIntf*,ItemAlign,ItemAlign)),
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this, SLOT(slotOnChildItemAlignChanged(BaseDesignIntf*,ItemAlign,ItemAlign)));
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item->setFixedPos(true);
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item->setPossibleResizeDirectionFlags(ResizeRight | ResizeBottom);
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item->setParent(this);
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item->setParentItem(this);
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updateLayoutSize();
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m_isRelocating=false;
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}
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bool HorizontalLayout::isEmpty() const
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{
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bool isEmpty = true;
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bool allItemsIsText = true;
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foreach (QGraphicsItem* qgItem, childItems()) {
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ContentItemDesignIntf* item = dynamic_cast<ContentItemDesignIntf*>(qgItem);
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if (item && !item->content().isEmpty()) isEmpty = false;
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if (!item && dynamic_cast<BaseDesignIntf*>(qgItem))
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allItemsIsText = false;
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}
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return (isEmpty && allItemsIsText);
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}
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void HorizontalLayout::addChild(BaseDesignIntf *item, bool updateSize)
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{
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if (m_children.count() > 0)
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item->setPos(m_children.last()->pos().x() + m_children.last()->width(), 0);
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else
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item->setPos(0, 0);
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m_children.append(item);
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item->setParentItem(this);
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item->setParent(this);
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item->setFixedPos(true);
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item->setPossibleResizeDirectionFlags(ResizeRight | ResizeBottom);
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connect(item,SIGNAL(destroyed(QObject*)),this,SLOT(slotOnChildDestroy(QObject*)));
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connect(item,SIGNAL(geometryChanged(QObject*,QRectF,QRectF)),this,SLOT(slotOnChildGeometryChanged(QObject*,QRectF,QRectF)));
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connect(item, SIGNAL(itemVisibleHasChanged(BaseDesignIntf*)),this,SLOT(slotOnChildVisibleHasChanged(BaseDesignIntf*)));
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if (updateSize){
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relocateChildren();
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updateLayoutSize();
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}
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}
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void HorizontalLayout::collectionLoadFinished(const QString &collectionName)
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{
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ItemDesignIntf::collectionLoadFinished(collectionName);
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if (collectionName.compare("children",Qt::CaseInsensitive)==0){
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#ifdef HAVE_QT5
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foreach(QObject* obj,children()){
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#else
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foreach(QObject* obj,QObject::children()){
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#endif
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BaseDesignIntf* item = dynamic_cast<BaseDesignIntf*>(obj);
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if (item) {
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addChild(item,false);
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}
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}
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}
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}
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void HorizontalLayout::objectLoadFinished()
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{
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m_layoutMarker->setHeight(height());
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LayoutDesignIntf::objectLoadFinished();
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}
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void HorizontalLayout::updateLayoutSize()
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{
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int w = ((borderLines() != 0) ? borderLineSize() : 0)*2;
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qreal h = 0;
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foreach(BaseDesignIntf* item, m_children){
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if (item->isVisible()){
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if (h<item->height()) h=item->height();
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w+=item->width();
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}
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}
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if (h>0) setHeight(h);
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setWidth(w);
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}
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void HorizontalLayout::relocateChildren()
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{
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int spaceBorder = (borderLines() != 0) ? borderLineSize() : 0;
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if (m_children.count()<childItems().size()-1){
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m_children.clear();
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foreach (BaseDesignIntf* item, childBaseItems()) {
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m_children.append(item);
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}
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}
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qSort(m_children.begin(),m_children.end(),lessThen);
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qreal curX = spaceBorder;
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m_isRelocating = true;
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foreach (BaseDesignIntf* item, m_children) {
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if (item->isVisible()){
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item->setPos(curX,spaceBorder);
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curX+=item->width();
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item->setHeight(height()-(spaceBorder * 2));
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}
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}
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m_isRelocating = false;
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}
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void HorizontalLayout::beforeDelete()
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{
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m_children.clear();
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#ifdef HAVE_QT5
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foreach (QObject *item, children()) {
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#else
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foreach (QObject *item, QObject::children()) {
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#endif
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BaseDesignIntf *bdItem = dynamic_cast<BaseDesignIntf*>(item);
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if (bdItem) {
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bdItem->setParentItem(parentItem());
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bdItem->setParent(parent());
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bdItem->setVisible(true);
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bdItem->setPos(mapToParent(bdItem->pos()));
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bdItem->setFixedPos(false);
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bdItem->setPossibleResizeDirectionFlags(AllDirections);
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}
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}
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}
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void HorizontalLayout::updateItemSize(DataSourceManager* dataManager, RenderPass pass, int maxHeight)
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{
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m_isRelocating=true;
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ItemDesignIntf::updateItemSize(dataManager, pass, maxHeight);
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foreach(QGraphicsItem *child, childItems()){
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BaseDesignIntf* item = dynamic_cast<BaseDesignIntf*>(child);
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if (item) item->updateItemSize(dataManager, pass, maxHeight);
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}
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updateLayoutSize();
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relocateChildren();
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m_isRelocating=false;
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BaseDesignIntf::updateItemSize(dataManager, pass, maxHeight);
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}
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bool HorizontalLayout::isNeedUpdateSize(RenderPass pass) const
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{
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foreach (QGraphicsItem *child, childItems()) {
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BaseDesignIntf* item = dynamic_cast<BaseDesignIntf*>(child);
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if (item && item->isNeedUpdateSize(pass))
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return true;
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}
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return false;
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}
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void HorizontalLayout::childAddedEvent(BaseDesignIntf *child)
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{
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addChild(child,false);
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}
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void HorizontalLayout::slotOnChildDestroy(QObject* child)
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{
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m_children.removeAll(static_cast<BaseDesignIntf*>(child));
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if (m_children.count()<2){
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beforeDelete();
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// deleteLater();
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} else {
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relocateChildren();
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updateLayoutSize();
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}
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}
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BaseDesignIntf* HorizontalLayout::findNext(BaseDesignIntf* item){
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if (m_children.count()<childItems().size()-1){
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m_children.clear();
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foreach (BaseDesignIntf* childItem, childBaseItems()) {
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m_children.append(childItem);
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}
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}
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qSort(m_children.begin(),m_children.end(),lessThen);
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for (int i=0; i<m_children.count();++i){
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if (m_children[i]==item && m_children.size()>i+1){ return m_children[i+1];}
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}
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return 0;
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}
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BaseDesignIntf* HorizontalLayout::findPrior(BaseDesignIntf* item){
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if (m_children.count()<childItems().size()-1){
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m_children.clear();
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foreach (BaseDesignIntf* childItem, childBaseItems()) {
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m_children.append(childItem);
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}
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}
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qSort(m_children.begin(),m_children.end(),lessThen);
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for (int i=0; i<m_children.count();++i){
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if (m_children[i]==item && i!=0){ return m_children[i-1];}
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}
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return 0;
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}
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void HorizontalLayout::divideSpace(){
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m_isRelocating = true;
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qreal itemsSumSize = 0;
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foreach(BaseDesignIntf* item, m_children){
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itemsSumSize += item->width();
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}
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qreal delta = (width() - itemsSumSize)/m_children.size();
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for (int i=0; i<m_children.size(); ++i){
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m_children[i]->setWidth(m_children[i]->width()+(delta));
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if ((i+1)<m_children.size())
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m_children[i+1]->setPos(m_children[i+1]->pos().x()+delta*(i+1),m_children[i+1]->pos().y());
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}
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m_isRelocating = false;
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}
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void HorizontalLayout::slotOnChildGeometryChanged(QObject *item, QRectF newGeometry, QRectF oldGeometry)
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{
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if (!m_isRelocating){
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//setHeight(newGeometry.height());
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if (m_layoutType == Layout){
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relocateChildren();
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updateLayoutSize();
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} else {
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m_isRelocating = true;
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qreal delta = newGeometry.width()-oldGeometry.width();
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BaseDesignIntf* resizingItem = findNext(dynamic_cast<BaseDesignIntf*>(item));
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if (resizingItem) {
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resizingItem->setWidth(resizingItem->width()-delta);
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resizingItem->setPos(resizingItem->pos().x()+delta,resizingItem->pos().y());
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}
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updateLayoutSize();
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m_isRelocating = false;
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}
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}
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}
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void HorizontalLayout::slotOnChildItemAlignChanged(BaseDesignIntf *item, const BaseDesignIntf::ItemAlign &, const BaseDesignIntf::ItemAlign&)
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{
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item->setPossibleResizeDirectionFlags(ResizeBottom | ResizeRight);
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}
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void HorizontalLayout::slotOnChildVisibleHasChanged(BaseDesignIntf *)
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{
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relocateChildren();
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if (m_layoutType == Table && !m_isRelocating){
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divideSpace();
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}
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}
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HorizontalLayout::LayoutType HorizontalLayout::layoutType() const
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{
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return m_layoutType;
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}
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void HorizontalLayout::setLayoutType(const LayoutType &layoutType)
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{
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if (m_layoutType != layoutType){
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LayoutType oldValue = m_layoutType;
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m_layoutType = layoutType;
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notify("layoutType",oldValue,layoutType);
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}
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}
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LayoutMarker::LayoutMarker(HorizontalLayout *layout, QGraphicsItem *parent)
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:QGraphicsItem(parent), m_rect(0,0,30,30), m_color(Qt::red), m_layout(layout){
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setFlag(QGraphicsItem::ItemIsMovable);
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}
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void LayoutMarker::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
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{
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painter->save();
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painter->setOpacity(Const::LAYOUT_MARKER_OPACITY);
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painter->fillRect(boundingRect(),m_color);
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painter->setRenderHint(QPainter::Antialiasing);
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qreal size = (boundingRect().width()<boundingRect().height()) ? boundingRect().width() : boundingRect().height();
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if (m_layout->isSelected()){
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painter->setOpacity(1);
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QRectF r = QRectF(0,0,size,size);
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painter->setBrush(Qt::white);
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painter->setPen(Qt::white);
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painter->drawEllipse(r.adjusted(5,5,-5,-5));
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painter->setBrush(m_color);
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painter->drawEllipse(r.adjusted(7,7,-7,-7));
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}
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painter->restore();
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}
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void LayoutMarker::setHeight(qreal height)
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{
|
|
if (m_rect.height()!=height){
|
|
prepareGeometryChange();
|
|
m_rect.setHeight(height);
|
|
}
|
|
}
|
|
|
|
void LayoutMarker::setWidth(qreal width)
|
|
{
|
|
if (m_rect.width()!=width){
|
|
prepareGeometryChange();
|
|
m_rect.setWidth(width);
|
|
}
|
|
}
|
|
|
|
void LayoutMarker::setColor(QColor color)
|
|
{
|
|
if (m_color!=color){
|
|
m_color = color;
|
|
update(boundingRect());
|
|
}
|
|
}
|
|
|
|
void LayoutMarker::mousePressEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
if (event->button()==Qt::LeftButton) {
|
|
if (!(event->modifiers() & Qt::ControlModifier))
|
|
m_layout->scene()->clearSelection();
|
|
m_layout->setSelected(true);
|
|
//m_layout->setChildVisibility(false);
|
|
update(0,0,boundingRect().width(),boundingRect().width());
|
|
}
|
|
}
|
|
|
|
} // namespace LimeReport
|