mirror of
https://github.com/python-LimeReport/LimeReport.git
synced 2024-12-24 12:34:39 +03:00
254 lines
9.5 KiB
C++
254 lines
9.5 KiB
C++
/***************************************************************************
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* This file is part of the Lime Report project *
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* Copyright (C) 2021 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 horizontalLessThen(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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: AbstractLayout(xmlTag, owner, parent)
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{}
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HorizontalLayout::~HorizontalLayout()
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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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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::sortChildren()
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{
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std::sort(layoutsChildren().begin(),layoutsChildren().end(),horizontalLessThen);
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}
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void HorizontalLayout::updateLayoutSize()
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{
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int spaceBorder = (borderLines() != 0) ? borderLineSize() : 0;
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qreal w = spaceBorder*2;
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qreal h = 0;
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int visibleItemCount = 0;
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foreach(BaseDesignIntf* item, layoutsChildren()){
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if (item->isEmpty() && hideEmptyItems()) item->setVisible(false);
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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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visibleItemCount++;
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}
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}
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if (h>0) setHeight(h+spaceBorder*2);
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if (layoutType() == Layout)
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setWidth(w + layoutSpacingMM() * (visibleItemCount-1));
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else{
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relocateChildren();
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if (!isRelocating()){
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divideSpace();
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}
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}
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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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QList<BaseDesignIntf*> newChildren;
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if (layoutsChildren().count() < childItems().size()-1){
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auto oldChildren = layoutsChildren();
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layoutsChildren().clear();
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foreach (BaseDesignIntf* item, childBaseItems()) {
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if (!oldChildren.contains(item)) {
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newChildren.append(item);
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}
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layoutsChildren().append(item);
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}
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}
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std::sort(layoutsChildren().begin(),layoutsChildren().end(),horizontalLessThen);
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qreal curX = spaceBorder;
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setIsRelocating(true);
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foreach (BaseDesignIntf* item, layoutsChildren()) {
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if (item->isVisible() || itemMode() == DesignMode){
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item->setPos(curX,spaceBorder);
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curX += item->width() + layoutSpacingMM();
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item->setHeight(height()-(spaceBorder * 2));
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}
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}
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setIsRelocating(false);
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for (BaseDesignIntf* item : newChildren) {
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connectToLayout(item);
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}
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}
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void HorizontalLayout::divideSpace(){
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setIsRelocating(true);
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qreal itemsSumSize = 0;
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int visibleItemsCount = 0;
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int spaceBorder = (borderLines() != 0) ? borderLineSize() : 0;
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foreach(BaseDesignIntf* item, layoutsChildren()){
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if (item->isVisible() || itemMode() == DesignMode ){
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itemsSumSize += item->width();
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visibleItemsCount++;
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}
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}
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itemsSumSize += layoutSpacingMM() * (visibleItemsCount-1);
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if (itemMode() == DesignMode && !layoutsChildren().isEmpty()){
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qreal delta = (width() - (itemsSumSize+spaceBorder*2));
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layoutsChildren().last()->setWidth(layoutsChildren().last()->width()+delta);
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} else {
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qreal delta = (width() - (itemsSumSize+spaceBorder*2)) / (visibleItemsCount!=0 ? visibleItemsCount : 1);
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for (int i=0; i<layoutsChildren().size(); ++i){
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if (layoutsChildren()[i]->isVisible() || itemMode() == DesignMode)
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layoutsChildren()[i]->setWidth(layoutsChildren()[i]->width()+delta);
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if ((i+1)<layoutsChildren().size())
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if (layoutsChildren()[i+1]->isVisible() || itemMode() == DesignMode)
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layoutsChildren()[i+1]->setPos(layoutsChildren()[i+1]->pos().x()+delta*(i+1),layoutsChildren()[i+1]->pos().y());
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}
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}
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setIsRelocating(false);
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}
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void HorizontalLayout::placeItemInLayout(BaseDesignIntf* item)
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{
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if (layoutsChildren().count() > 0)
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item->setPos(layoutsChildren().last()->pos().x() + layoutsChildren().last()->width(), 0);
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else
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item->setPos(0, 0);
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}
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void HorizontalLayout::insertItemInLayout(BaseDesignIntf* item)
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{
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foreach (BaseDesignIntf* child, childBaseItems()) {
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if (child->pos() == item->pos()){
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int index = layoutsChildren().indexOf(child)-1;
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layoutsChildren().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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}
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} // namespace LimeReport
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