Eberhard Graether
bd5de1d271
* common base class QtGraphNode * derived class QtGraphNodeData for nodes representing the data model * removed GraphNode and GraphEdge interface classes * moved and renamed files for DummyNode and DummyEdge * refactored includes throughout Graph UI related files
74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
#include "qt/view/graphElements/QtGraphNodeExpandToggle.h"
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#include <QFontMetrics>
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#include "utility/logging/logging.h"
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#include "utility/messaging/type/MessageGraphNodeExpand.h"
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#include "qt/graphics/QtRoundedRectItem.h"
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#include "qt/utility/QtDeviceScaledPixmap.h"
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#include "qt/view/graphElements/QtGraphNodeData.h"
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QtGraphNodeExpandToggle::QtGraphNodeExpandToggle(bool expanded, int invisibleSubNodeCount)
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: m_allVisible(invisibleSubNodeCount == 0)
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{
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if (!expanded && !invisibleSubNodeCount)
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{
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LOG_ERROR("ExpandToggle shouldn't be visible");
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return;
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}
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const int iconHeight = 4;
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m_icon = new QGraphicsPixmapItem(this);
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QtDeviceScaledPixmap pixmap("data/gui/graph_view/images/arrow.png");
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pixmap.scaleToHeight(iconHeight);
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if (invisibleSubNodeCount)
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{
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QString numberStr = QString::number(invisibleSubNodeCount);
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m_text->setText(numberStr);
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}
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else
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{
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pixmap.mirror();
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}
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m_icon->setPixmap(pixmap.pixmap());
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}
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QtGraphNodeExpandToggle::~QtGraphNodeExpandToggle()
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{
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}
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bool QtGraphNodeExpandToggle::isExpandToggleNode() const
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{
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return true;
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}
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void QtGraphNodeExpandToggle::onClick()
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{
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QtGraphNode* parent = getParent();
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if (parent && parent->getTokenId())
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{
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MessageGraphNodeExpand(parent->getTokenId()).dispatch();
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}
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}
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void QtGraphNodeExpandToggle::updateStyle()
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{
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GraphViewStyle::NodeStyle style = GraphViewStyle::getStyleOfExpandToggleNode();
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setStyle(style);
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m_text->setPos(
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(m_rect->rect().width() - QFontMetrics(m_text->font()).width(m_text->text())) / 2,
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5
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);
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m_icon->setPos(
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(m_rect->rect().width() - m_icon->pixmap().width() / QtDeviceScaledPixmap::devicePixelRatio()) / 2,
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(m_allVisible ? 9 : 14)
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);
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}
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