view widgets/PropertyStack.cpp @ 11:2d5005f2b3d9

* Rework handling of layer properties in file I/O -- we now get the individual
  layers to load and save them rather than doing it via generic property lists
  in the base class, so as to ensure we read and write meaningful values rather
  than generic int values requiring conversion.

/* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */

/*
    A waveform viewer and audio annotation editor.
    Chris Cannam, Queen Mary University of London, 2005-2006
    
    This is experimental software.  Not for distribution.
*/

#include "PropertyStack.h"
#include "PropertyBox.h"
#include "base/PropertyContainer.h"
#include "base/View.h"

#include <QIcon>
#include <QTabWidget>

#include <iostream>

#define DEBUG_PROPERTY_STACK 1

PropertyStack::PropertyStack(QWidget *parent, View *client) :
    QTabWidget(parent),
    m_client(client)
{
    repopulate();

    connect(this, SIGNAL(currentChanged(int)),
	    this, SLOT(selectedContainerChanged(int)));

    connect(m_client, SIGNAL(propertyContainerAdded(PropertyContainer *)),
	    this, SLOT(propertyContainerAdded(PropertyContainer *)));

    connect(m_client, SIGNAL(propertyContainerRemoved(PropertyContainer *)),
	    this, SLOT(propertyContainerRemoved(PropertyContainer *)));

    connect(m_client, SIGNAL(propertyContainerPropertyChanged(PropertyContainer *)),
	    this, SLOT(propertyContainerPropertyChanged(PropertyContainer *)));

    connect(m_client, SIGNAL(propertyContainerNameChanged(PropertyContainer *)),
	    this, SLOT(propertyContainerNameChanged(PropertyContainer *)));

    connect(this, SIGNAL(propertyContainerSelected(PropertyContainer *)),
	    m_client, SLOT(propertyContainerSelected(PropertyContainer *)));
}

void
PropertyStack::repopulate()
{
    blockSignals(true);

#ifdef DEBUG_PROPERTY_STACK
    std::cerr << "PropertyStack::repopulate" << std::endl;
#endif
    
    while (count() > 0) {
	removeTab(0);
    }
    for (size_t i = 0; i < m_boxes.size(); ++i) {
	delete m_boxes[i];
    }
    m_boxes.clear();
    
    for (size_t i = 0; i < m_client->getPropertyContainerCount(); ++i) {

	PropertyContainer *container = m_client->getPropertyContainer(i);
	QString name = container->getPropertyContainerName();
	
	QString iconName = container->getPropertyContainerIconName();

	PropertyBox *box = new PropertyBox(container);

	QIcon icon(QString(":/icons/%1.png").arg(iconName));
	if (icon.isNull()) {
	    addTab(box, name);
	} else {
	    addTab(box, icon, QString("&%1").arg(i + 1));
	    setTabToolTip(count() - 1, name);
	}

	m_boxes.push_back(box);
    }    

    blockSignals(false);
}

bool
PropertyStack::containsContainer(PropertyContainer *pc) const
{
    for (size_t i = 0; i < m_client->getPropertyContainerCount(); ++i) {
	PropertyContainer *container = m_client->getPropertyContainer(i);
	if (pc == container) return true;
    }

    return false;
}

void
PropertyStack::propertyContainerAdded(PropertyContainer *)
{
    if (sender() != m_client) return;
    repopulate();
}

void
PropertyStack::propertyContainerRemoved(PropertyContainer *)
{
    if (sender() != m_client) return;
    repopulate();
}

void
PropertyStack::propertyContainerPropertyChanged(PropertyContainer *pc)
{
    for (unsigned int i = 0; i < m_boxes.size(); ++i) {
	if (pc == m_boxes[i]->getContainer()) {
	    m_boxes[i]->propertyContainerPropertyChanged(pc);
	}
    }
}

void
PropertyStack::propertyContainerNameChanged(PropertyContainer *pc)
{
    if (sender() != m_client) return;
    repopulate();
}

void
PropertyStack::selectedContainerChanged(int n)
{
    if (n >= int(m_boxes.size())) return;
    emit propertyContainerSelected(m_boxes[n]->getContainer());
}

#ifdef INCLUDE_MOCFILES
#include "PropertyStack.moc.cpp"
#endif