propertyeditor.cpp

#include "propertyeditor.h"

#include <QVBoxLayout>

#include "collapsible.h"
#include "nodeproperties.h"
#include "mainctrl.h"

PropertyEditor::PropertyEditor(QWidget * parent): QScrollArea(parent),
    m_mainCtrl(nullptr)
{
    // setup the scroll area
    setFrameShape(QFrame::NoFrame);
    setWidgetResizable(true);
    setMaximumWidth(Collapsible::getMaximumWidth() + 4);
    // set up the view widget
    QWidget *
    viewWidget = new QWidget(this);
    setWidget(viewWidget);
    // ... and the layout of the view widget
    m_layout = new QVBoxLayout(viewWidget);
    m_layout->setContentsMargins(QMargins(4, 0, 0, 0));
    m_layout->addStretch();
}

void PropertyEditor::showNodes(const QList < relarank::NodeHandle > &selection)
{
    Q_ASSERT(m_mainCtrl);
    // collect all collapsibles to remove
    QVector < relarank::NodeHandle > removed;
    for (QHash < relarank::NodeHandle, Collapsible * >::iterator i =
             m_nodes.begin(); i != m_nodes.end(); ++i) {
        if (!selection.contains(i.key())) {
            m_layout->removeWidget(i.value());
            removed.append(i.key());
        }
    }
    // ... and remove them after the iteration has finished
    for (relarank::NodeHandle node : removed) {
        m_nodes.take(node)->deleteLater();
    }
    // then create the new collapsibles
    for (relarank::NodeHandle node : selection) {
        if (!m_nodes.contains(node)) {
            Collapsible *collapsible = new Collapsible(this);
            collapsible->
            setWidget(new
                      NodeProperties(m_mainCtrl->getCtrlForHandle(node),
                                     collapsible));
            m_layout->insertWidget(0, collapsible);	// insert the new Collapsible at the top
            m_nodes.insert(node, collapsible);
        }
    }
}