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Diffstat (limited to 'src/flowcontainer.cpp')
| -rw-r--r-- | src/flowcontainer.cpp | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/src/flowcontainer.cpp b/src/flowcontainer.cpp new file mode 100644 index 0000000..32eb20e --- /dev/null +++ b/src/flowcontainer.cpp @@ -0,0 +1,407 @@ +/*************************************************************************** + * Copyright (C) 2003-2005 by David Saxton * + * [email protected] * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + ***************************************************************************/ + +#include "canvasitemparts.h" +#include "cells.h" +#include "icndocument.h" +#include "flowcontainer.h" +#include "fpnode.h" +#include "nodegroup.h" +#include "resizeoverlay.h" + +#include <kiconloader.h> +#include <qpainter.h> + +#include <cmath> + +const int topStrip = 24; +const int botStrip = 16; + +FlowContainer::FlowContainer( ICNDocument *_icnDocument, bool newItem, const QString &id ) + : FlowPart( _icnDocument, newItem, id ) +{ + m_ext_in = m_int_in = m_int_out = m_ext_out = 0l; + b_expanded = true; + + addButton( "expandBtn", QRect( offsetX(), offsetY()+24 - 11, 22, 22 ), KGlobal::iconLoader()->loadIcon( "down", KIcon::Small ), true ); + m_rectangularOverlay = new RectangularOverlay( this, 8, 8 ); + setSize( -160, -120, 320, 240 ); + + + m_int_in = (FPNode*)createNode( width()/2, 8+topStrip, Node::dir_down, "int_in", Node::fp_out ); + m_int_out = (FPNode*)createNode( width()/2, height()-8-botStrip, Node::dir_up, "int_out", Node::fp_in ); + + button("expandBtn")->setState(true); + + updateAttachedPositioning(); + updateNodeLevels(); +} + + +FlowContainer::~FlowContainer() +{ +} + + +void FlowContainer::updateNodeLevels() +{ + FlowPart::updateNodeLevels(); + + int l = level(); + + if (m_ext_in) + m_ext_in->setLevel(l); + if (m_ext_out) + m_ext_out->setLevel(l); + + if (m_int_in) + m_int_in->setLevel(l+1); + if (m_int_out) + m_int_out->setLevel(l+1); +} + + +void FlowContainer::filterEndPartIDs( QStringList *ids ) +{ + // Remove *all* nodes except for very bottom one + if (m_int_out) { + ids->remove(m_int_out->childId()); + } + if (m_ext_in) { + ids->remove(m_ext_in->childId()); + } + if (m_int_in) { + ids->remove(m_int_in->childId()); + } +} + + +void FlowContainer::createTopContainerNode() +{ + m_ext_in = (FPNode*)createNode( width()/2, -8, Node::dir_up, "ext_in", Node::fp_in ); + m_ext_in->setLevel( level() ); + m_rectangularOverlay->removeTopMiddle(); + updateAttachedPositioning(); +} + + +void FlowContainer::createBotContainerNode() +{ + m_ext_out = (FPNode*)createNode( width()/2, height()+8, Node::dir_down, "ext_out", Node::fp_out ); + m_ext_out->setLevel( level() ); + m_rectangularOverlay->removeBotMiddle(); + updateAttachedPositioning(); +} + + +QSize FlowContainer::minimumSize() const +{ + return QSize( 160, 64 ); +} + + +void FlowContainer::drawShape( QPainter &p ) +{ + if (b_deleted) + return; + + if ( !m_sizeRect.isValid() ) + return; + + const int _x = (int)x()+offsetX(); + const int _y = (int)y()+offsetY(); + + int col = 0xef + level()*0x6; + if ( col > 0xff ) col = 0xff; + p.setBrush( QColor( col, 0xff, col ) ); + if( b_expanded ) + { + p.setPen(Qt::DotLine); + p.drawRoundRect( _x, _y, width(), topStrip, 1500/width(), 1500/topStrip ); + p.drawRoundRect( _x, _y+height()-botStrip, width(), botStrip, 1500/width(), 1500/botStrip ); + } + else + { + p.setPen(QPen((isSelected()?m_selectedCol:Qt::black),1,Qt::SolidLine)); + p.drawRoundRect( _x, _y, width(), topStrip, 1500/width(), 1500/topStrip ); + } + + p.setPen( Qt::black ); + p.setFont( font() ); + p.drawText( QRect( 22 + _x+8, _y, width()-8, topStrip ), Qt::AlignLeft | Qt::AlignVCenter, m_caption ); + + if( b_expanded ) + { + p.setPen(Qt::SolidLine); + p.setBrush( Qt::NoBrush ); + p.drawRoundRect( _x, _y, width(), height(), 1500/width(), 1500/height() ); + } +} + + +void FlowContainer::childAdded( Item *child ) +{ + if (!child) + return; + + FlowPart::childAdded(child); + + connect( this, SIGNAL(movedBy(double, double )), child, SLOT(moveBy(double, double )) ); + child->setZ( ICNDocument::Z::Item + child->level() ); + + updateContainedVisibility(); +} + + +void FlowContainer::childRemoved( Item *child ) +{ + FlowPart::childRemoved(child); + + if (!b_expanded) + child->setVisible(true); + + disconnect( this, SIGNAL(movedBy(double, double )), child, SLOT(moveBy(double, double )) ); +} + + +void FlowContainer::updateConnectorPoints( bool add ) +{ + if ( b_deleted || !isVisible() ) + add = false; + + if ( b_pointsAdded == add ) + return; + + b_pointsAdded = add; + + Cells *cells = p_icnDocument->cells(); + if (!cells) return; + + int _x = (int)x()+offsetX(); + int _y = (int)y()+offsetY(); + int w = width(); + int h = b_expanded ? height() : topStrip; + + const int mult = add ? 1 : -1; + + // Top strip + for ( int y=_y; y <_y+24; ++y ) + { + for ( int x = _x; x<=_x+w; x += 8 ) + { + if ( p_icnDocument->isValidCellReference( x/8, y/8 ) ) + { + (*cells)[x/8][y/8].CIpenalty += mult*ICNDocument::hs_item; + } + } + } + + // Bottom strip + for ( int y = _y+h-16; y <= _y+h; ++y ) + { + for ( int x = _x; x<=_x+width(); x += 8 ) + { + if ( p_icnDocument->isValidCellReference( x/8, y/8 ) ) + { + (*cells)[x/8][y/8].CIpenalty += mult*ICNDocument::hs_item; + } + } + } + + // Left strip + int x = _x; + for ( int y = _y+24; y<_y+h-16; y += 8 ) + { + if ( p_icnDocument->isValidCellReference( x/8, y/8 ) ) + { + (*cells)[x/8][y/8].CIpenalty += mult*ICNDocument::hs_item; + } + } + + // Right strip + x = _x+width(); + for ( int y = _y+24; y<_y+h-16; y += 8 ) + { + if ( p_icnDocument->isValidCellReference( x/8, y/8 ) ) + { + (*cells)[x/8][y/8].CIpenalty += mult*ICNDocument::hs_item; + } + } +} + + +void FlowContainer::setFullBounds( bool full ) +{ + if ( full || !b_expanded ) + { + QRect bounds = b_expanded ? m_sizeRect : QRect( m_sizeRect.x(), m_sizeRect.y(), m_sizeRect.width(), topStrip ); + setPoints( QPointArray(bounds) ); + return; + } + +// kdDebug() << k_funcinfo << "width="<<width()<<" height="<<height()<<endl; + + QPointArray pa(10); + pa[0] = QPoint( 0, 0 ); + pa[1] = QPoint( width(), 0 ); + pa[2] = QPoint( width(), height() ); + pa[3] = QPoint( 0, height() ); + pa[4] = QPoint( 0, 0 ); + pa[5] = QPoint( 8, topStrip ); + pa[6] = QPoint( 8, height()-botStrip ); + pa[7] = QPoint( width()-8, height()-botStrip ); + pa[8] = QPoint( width()-8, topStrip ); + pa[9] = QPoint( 8, topStrip ); + pa.translate( offsetX(), offsetY() ); + setPoints(pa); +} + + +void FlowContainer::buttonStateChanged(const QString &/*id*/, bool state) +{ + setExpanded(state); +} + + +bool FlowContainer::parentIsCollapsed() const +{ + if ( !p_parentItem ) + return false; + + FlowContainer *fc = dynamic_cast<FlowContainer*>((Item*)(p_parentItem)); + return !fc->isExpanded() || fc->parentIsCollapsed(); +} + + +void FlowContainer::setSelected( bool yes ) +{ + if ( yes == isSelected() ) + return; + + FlowPart::setSelected(yes); + m_rectangularOverlay->showResizeHandles( yes && isVisible() ); +} + + +void FlowContainer::setExpanded( bool expanded ) +{ + if ( b_expanded == expanded ) + return; + + updateConnectorPoints(false); + + // Set this now, so that child items that we call know whether or not we actually are expanded + b_expanded = expanded; + + updateContainedVisibility(); + updateAttachedPositioning(); + + p_itemDocument->setModified(true); + m_rectangularOverlay->setVisible(expanded); + setFullBounds(false); + + bool nodesMoved = (m_ext_out != 0l); + if (nodesMoved) + p_icnDocument->requestRerouteInvalidatedConnectors(); + + p_icnDocument->requestStateSave(); +} + + +void FlowContainer::postResize() +{ +// kdDebug() << k_funcinfo << "width="<<width()<<endl; + setFullBounds(false); + FlowPart::postResize(); +} + + +void FlowContainer::updateAttachedPositioning() +{ + if (b_deleted) + return; + + int _x = int(x())+offsetX(); + int _y = int(y())+offsetY(); + int w = int((std::floor(float((width()+8)/16)))*16); + int h = height(); + + if (m_ext_in) + m_ext_in->move( _x+w/2, _y-8 ); + + if (m_int_in) + m_int_in->move( _x+w/2, _y+8+topStrip ); + + if (b_expanded) + { + if (m_int_out) + m_int_out->move( _x+w/2, _y+h-8-botStrip ); + + if (m_ext_out) + m_ext_out->move( _x+w/2, _y+h-8+botStrip ); + } + else + { + // (Note: dont really care where internal nodes are if not expanded) + + if (m_ext_out) + m_ext_out->move( _x+w/2, _y+8+topStrip ); + } + + button("expandBtn")->setGuiPartSize( 22, 22 ); + button("expandBtn")->move( int(x())+offsetX()+7, int(y())+offsetY()+1 ); +} + + +void FlowContainer::updateContainedVisibility() +{ + if (b_deleted) + return; + + if (m_ext_in) + m_ext_in->setVisible( isVisible() ); + if (m_int_in) + m_int_in->setVisible( isVisible() && b_expanded ); + if (m_int_out) + m_int_out->setVisible( isVisible() && b_expanded ); + if (m_ext_out) + m_ext_out->setVisible( isVisible() ); + + const ItemList::iterator cEnd = m_children.end(); + for ( ItemList::iterator it = m_children.begin(); it != cEnd; ++it ) + { + if (*it) + (*it)->setVisible( isVisible() && b_expanded ); + } + + m_rectangularOverlay->setVisible( isVisible() && b_expanded ); + + NodeGroupList hidableNodeGroups; + p_icnDocument->getTranslatable( children(true) += GuardedItem(this), 0, 0, &hidableNodeGroups ); + + NodeGroupList::iterator hngEnd = hidableNodeGroups.end(); + for ( NodeGroupList::iterator it = hidableNodeGroups.begin(); it != hngEnd; ++it ) + (*it)->setVisible(b_expanded); +} + + +void FlowContainer::setVisible( bool yes ) +{ + if (b_deleted) + { + FlowPart::setVisible(false); + return; + } + + FlowPart::setVisible(yes); + updateContainedVisibility(); +} + +#include "flowcontainer.moc" |