2018-06-21 14:29:00 +03:00
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#include "lrabstractlayout.h"
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namespace LimeReport {
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AbstractLayout::AbstractLayout(QString xmlTag, QObject* owner, QGraphicsItem* parent)
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: LayoutDesignIntf(xmlTag, owner, parent), m_isRelocating(false), m_layoutType(Layout),
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2019-02-05 23:25:18 +03:00
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m_hideEmptyItems(false), m_layoutSpacing(0)
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2018-06-21 14:29:00 +03:00
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{
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setPossibleResizeDirectionFlags(AllDirections);
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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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AbstractLayout::~AbstractLayout()
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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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QList<BaseDesignIntf*>& AbstractLayout::layoutsChildren()
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{
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return m_children;
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}
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bool AbstractLayout::isRelocating() const
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{
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return m_isRelocating;
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}
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void AbstractLayout::setIsRelocating(bool isRelocating)
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{
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m_isRelocating = isRelocating;
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}
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AbstractLayout::LayoutType AbstractLayout::layoutType() const
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{
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return m_layoutType;
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}
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void AbstractLayout::setLayoutType(const LayoutType& layoutType)
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{
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m_layoutType = layoutType;
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}
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void AbstractLayout::addChild(BaseDesignIntf* item, bool updateSize)
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{
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placeItemInLayout(item);
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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(
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item, SIGNAL(destroyed(QObject*)),
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this, SLOT(slotOnChildDestroy(QObject*))
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);
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connect(
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item,SIGNAL(geometryChanged(QObject*,QRectF,QRectF)),
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this,SLOT(slotOnChildGeometryChanged(QObject*,QRectF,QRectF))
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);
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connect(
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item, SIGNAL(itemVisibleHasChanged(BaseDesignIntf*)),
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this, SLOT(slotOnChildVisibleHasChanged(BaseDesignIntf*))
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);
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connect(
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item, SIGNAL(itemSelectedHasBeenChanged(BaseDesignIntf*,bool)),
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this, SLOT(slotOnChildSelectionHasChanged(BaseDesignIntf*,bool))
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);
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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 AbstractLayout::restoreChild(BaseDesignIntf* item)
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{
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if (m_children.contains(item)) return;
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m_isRelocating=true;
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insertItemInLayout(item);
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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 AbstractLayout::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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2019-01-15 13:59:00 +03:00
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void AbstractLayout::paintChild(BaseDesignIntf *child, QPointF parentPos, QPainter *painter)
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{
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if (!child->childBaseItems().isEmpty()){
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foreach (BaseDesignIntf* item, child->childBaseItems()) {
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paintChild(item, child->pos(),painter);
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}
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}
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painter->drawRect(
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QRectF(parentPos.x()+child->pos().x(), parentPos.y()+child->pos().y(),
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child->rect().bottomRight().rx(),
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child->rect().bottomRight().ry()
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)
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);
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}
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void AbstractLayout::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
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2018-06-21 14:29:00 +03:00
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{
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if (isSelected()){
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2019-01-15 13:59:00 +03:00
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painter->save();
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painter->setPen(Qt::red);
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2018-06-21 14:29:00 +03:00
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foreach( BaseDesignIntf* item, m_children){
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2019-01-15 13:59:00 +03:00
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paintChild(item, QPointF(0,0), painter);
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2018-06-21 14:29:00 +03:00
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}
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2019-01-15 13:59:00 +03:00
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painter->restore();
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2018-06-21 14:29:00 +03:00
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}
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2019-01-15 13:59:00 +03:00
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LayoutDesignIntf::paint(painter, option, widget);
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2018-06-21 14:29:00 +03:00
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}
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int AbstractLayout::childrenCount()
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{
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return m_children.size();
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}
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void AbstractLayout::beforeDelete()
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{
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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 *bi = dynamic_cast<BaseDesignIntf*>(item);
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if (bi) {
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bi->setParentItem(parentItem());
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bi->setParent(parent());
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bi->setVisible(true);
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bi->setPos(mapToParent(bi->pos()));
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bi->setFixedPos(false);
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bi->setPossibleResizeDirectionFlags(AllDirections);
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}
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}
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m_children.clear();
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}
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void AbstractLayout::childAddedEvent(BaseDesignIntf* child)
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{
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addChild(child,false);
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}
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void AbstractLayout::geometryChangedEvent(QRectF newRect, QRectF)
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{
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layoutMarker()->setHeight(newRect.height());
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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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void AbstractLayout::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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layoutMarker()->setVisible(false);
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} else {
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layoutMarker()->setVisible(true);
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}
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}
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void AbstractLayout::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 AbstractLayout::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 AbstractLayout::objectLoadFinished()
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{
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layoutMarker()->setHeight(height());
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LayoutDesignIntf::objectLoadFinished();
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}
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bool AbstractLayout::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) || item->isEmpty()))
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return true;
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}
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return false;
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}
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QVariant AbstractLayout::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant& value)
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{
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if (change == QGraphicsItem::ItemSelectedHasChanged){
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setIsRelocating(true);
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foreach(BaseDesignIntf* item, layoutsChildren()){
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item->setVisible(!value.toBool());
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}
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setIsRelocating(false);
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}
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return LayoutDesignIntf::itemChange(change, value);
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}
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void AbstractLayout::updateItemSize(DataSourceManager* dataManager, RenderPass pass, int maxHeight)
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{
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setIsRelocating(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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setIsRelocating(false);
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BaseDesignIntf::updateItemSize(dataManager, pass, maxHeight);
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}
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2019-02-02 00:28:30 +03:00
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void AbstractLayout::rebuildChildrenIfNeeded(){
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if (layoutsChildren().count() < childItems().size()-1){
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layoutsChildren().clear();
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foreach (BaseDesignIntf* childItem, childBaseItems()) {
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layoutsChildren().append(childItem);
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}
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sortChildren();
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}
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}
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BaseDesignIntf *AbstractLayout::findNext(BaseDesignIntf *item)
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{
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rebuildChildrenIfNeeded();
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for (int i=0; i<layoutsChildren().count();++i){
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if (layoutsChildren()[i]==item && layoutsChildren().size()>i+1){ return layoutsChildren()[i+1];}
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}
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return 0;
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}
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BaseDesignIntf *AbstractLayout::findPrior(BaseDesignIntf *item)
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{
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rebuildChildrenIfNeeded();
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for (int i=0; i<layoutsChildren().count();++i){
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if (layoutsChildren()[i]==item && i!=0){ return layoutsChildren()[i-1];}
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}
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return 0;
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}
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2018-06-21 14:29:00 +03:00
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void AbstractLayout::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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} else {
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relocateChildren();
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updateLayoutSize();
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}
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}
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void AbstractLayout::slotOnChildGeometryChanged(QObject* item, QRectF newGeometry, QRectF oldGeometry)
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{
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if (!m_isRelocating){
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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 AbstractLayout::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 AbstractLayout::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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void AbstractLayout::slotOnChildSelectionHasChanged(BaseDesignIntf* item, bool value)
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{
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item->setZValue(value ? item->zValue()+1 : item->zValue()-1);
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}
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2019-02-05 23:25:18 +03:00
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int AbstractLayout::layoutSpacing() const
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{
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return m_layoutSpacing;
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}
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void AbstractLayout::setLayoutSpacing(int layoutSpacing)
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{
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if (m_layoutSpacing != layoutSpacing){
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int oldValue = m_layoutSpacing;
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m_layoutSpacing = layoutSpacing;
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int delta = (m_layoutSpacing - oldValue) * (m_children.count()-1);
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notify("layoutSpacing", oldValue, m_layoutSpacing);
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setWidth(width() + delta);
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}
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}
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2018-06-21 14:29:00 +03:00
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bool AbstractLayout::hideEmptyItems() const
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{
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return m_hideEmptyItems;
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}
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void AbstractLayout::setHideEmptyItems(bool hideEmptyItems)
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{
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m_hideEmptyItems = hideEmptyItems;
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if (m_hideEmptyItems != hideEmptyItems){
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m_hideEmptyItems = hideEmptyItems;
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notify("hideEmptyItems", !m_hideEmptyItems, m_hideEmptyItems);
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}
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}
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2019-02-04 19:40:29 +03:00
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QObject* AbstractLayout::at(int index)
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2019-02-02 00:28:30 +03:00
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{
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rebuildChildrenIfNeeded();
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if (layoutsChildren().size() > index) return layoutsChildren()[index];
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return 0;
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}
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2018-06-21 14:29:00 +03:00
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LayoutMarker* AbstractLayout::layoutMarker() const
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{
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return m_layoutMarker;
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}
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} // namespace LimeReport
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