forked from blue/squawk
143 lines
4.1 KiB
C++
143 lines
4.1 KiB
C++
#include "item.h"
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Models::Item::Item(Type p_type, const QMap<QString, QVariant> &p_data, Item *p_parent):
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QObject(),
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type(p_type),
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name(p_data.value("name").toString()),
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childItems(),
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parent(p_parent)
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{}
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Models::Item::~Item()
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{
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std::deque<Item*>::const_iterator itr = childItems.begin();
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std::deque<Item*>::const_iterator end = childItems.end();
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for (;itr != end; ++itr) {
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delete (*itr);
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}
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}
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void Models::Item::setName(const QString& p_name)
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{
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if (name != p_name) {
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name = p_name;
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changed(0);
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}
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}
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void Models::Item::appendChild(Models::Item* child)
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{
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bool moving = false;
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int oldRow = child->row();
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int newRow = this->childCount();
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if (child->parent != 0) {
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moving = true;
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emit childIsAboutToBeMoved(child->parent, oldRow, oldRow, this, newRow);
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child->parent->_removeChild(oldRow);
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} else {
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emit childIsAboutToBeInserted(this, newRow, newRow);
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}
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childItems.push_back(child);
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child->parent = this;
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QObject::connect(child, SIGNAL(childChanged(Models::Item*, int, int)), this, SIGNAL(childChanged(Models::Item*, int, int)));
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QObject::connect(child, SIGNAL(childIsAboutToBeInserted(Item*, int, int)), this, SIGNAL(childIsAboutToBeInserted(Item*, int, int)));
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QObject::connect(child, SIGNAL(childInserted()), this, SIGNAL(childInserted()));
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QObject::connect(child, SIGNAL(childIsAboutToBeRemoved(Item*, int, int)), this, SIGNAL(childIsAboutToBeRemoved(Item*, int, int)));
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QObject::connect(child, SIGNAL(childRemoved()), this, SIGNAL(childRemoved()));
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QObject::connect(child, SIGNAL(childIsAboutToBeMoved(Item*, int, int, Item*, int)), this, SIGNAL(childIsAboutToBeMoved(Item*, int, int, Item*, int)));
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QObject::connect(child, SIGNAL(childMoved()), this, SIGNAL(childMoved()));
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if (moving) {
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emit childMoved();
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} else {
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emit childInserted();
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}
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}
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Models::Item * Models::Item::child(int row)
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{
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return childItems[row];
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}
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int Models::Item::childCount() const
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{
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return childItems.size();
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}
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int Models::Item::row() const
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{
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if (parent != 0) {
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std::deque<Item*>::const_iterator itr = parent->childItems.begin();
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std::deque<Item*>::const_iterator end = parent->childItems.end();
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for (int i = 0; itr != end; ++itr, ++i) {
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if (*itr == this) {
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return i;
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}
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}
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}
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return 0; //TODO not sure how it helps, i copy-pasted it from the example
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}
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Models::Item * Models::Item::parentItem()
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{
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return parent;
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}
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const Models::Item * Models::Item::parentItemConst() const
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{
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return parent;
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}
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int Models::Item::columnCount() const
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{
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return 1;
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}
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QString Models::Item::getName() const
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{
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return name;
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}
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QVariant Models::Item::data(int column) const
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{
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if (column != 0) {
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return QVariant();
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}
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return name;
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}
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void Models::Item::removeChild(int index)
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{
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emit childIsAboutToBeRemoved(this, index, index);
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_removeChild(index);
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emit childRemoved();
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}
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void Models::Item::_removeChild(int index)
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{
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Item* child = childItems[index];
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QObject::disconnect(child, SIGNAL(childChanged(Models::Item*, int, int)), this, SIGNAL(childChanged(Models::Item*, int, int)));
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QObject::disconnect(child, SIGNAL(childIsAboutToBeInserted(Item*, int, int)), this, SIGNAL(childIsAboutToBeInserted(Item*, int, int)));
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QObject::disconnect(child, SIGNAL(childInserted()), this, SIGNAL(childInserted()));
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QObject::disconnect(child, SIGNAL(childIsAboutToBeRemoved(Item*, int, int)), this, SIGNAL(childIsAboutToBeRemoved(Item*, int, int)));
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QObject::disconnect(child, SIGNAL(childRemoved()), this, SIGNAL(childRemoved()));
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QObject::disconnect(child, SIGNAL(childIsAboutToBeMoved(Item*, int, int, Item*, int)), this, SIGNAL(childIsAboutToBeMoved(Item*, int, int, Item*, int)));
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QObject::disconnect(child, SIGNAL(childMoved()), this, SIGNAL(childMoved()));
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childItems.erase(childItems.begin() + index);
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child->parent = 0;
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}
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void Models::Item::changed(int col)
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{
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if (parent != 0) {
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emit childChanged(this, row(), col);
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}
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}
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