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libs/qcd_utils/qcd_kmodel.cpp

324 lines
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C++

#include "qcd_kmodel.h"
#include "cdutils_k.h"
#include "piqt.h"
#include <QDebug>
#include <QBrush>
#include <QColor>
#include "qvariantedit.h"
#include "qad_types.h"
using namespace CDUtils;
CDKItemModel::CDKItemModel(QObject *parent) : QAbstractItemModel(parent) {
root = 0;
internalRebuild();
}
CDKItemModel::~CDKItemModel() {
delete root;
}
QVariant CDKItemModel::data(const QModelIndex &index, int role) const {
if (!index.isValid()) return QVariant();
CDKItem *item = getItem(index);
return item->data(index.column(), role);
}
QVariant CDKItemModel::headerData(int section, Qt::Orientation orientation, int role) const {
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
switch (section) {
case 0: return trUtf8("Index");
case 1: return trUtf8("Name");
case 2: return trUtf8("Type");
case 3: return trUtf8("Expression");
case 4: return trUtf8("Value");
case 5: return trUtf8("Comment");
}
}
return QVariant();
}
QModelIndex CDKItemModel::index(int row, int column, const QModelIndex &parent) const {
if (parent.isValid() && parent.column() != 0) return QModelIndex();
CDKItem * p = getItem(parent);
CDKItem * c = p->childs.value(row, 0);
if (c) return createIndex(row, column, c);
else return QModelIndex();
}
QModelIndex CDKItemModel::parent(const QModelIndex &index) const {
if (!index.isValid()) return QModelIndex();
CDKItem * c = getItem(index);
CDKItem * p = c->parent_;
if (p == root) return QModelIndex();
return createIndex(p->parent_->childs.indexOf(p), 0, p);
}
int CDKItemModel::rowCount(const QModelIndex &parent) const {
CDKItem *p = getItem(parent);
return p->childs.count();
}
int CDKItemModel::columnCount(const QModelIndex &parent) const {
return 6;
}
Qt::ItemFlags CDKItemModel::flags(const QModelIndex & index) const {
if (!index.isValid()) return 0;
Qt::ItemFlags f = Qt::ItemIsEnabled | Qt::ItemIsSelectable;
CDKItem * item = getItem(index);
if ((index.column() == 3 || index.column() == 4) && item->type_ == CDKItem::ItemCDType) f |= Qt::ItemIsEditable;
if (item->type_ == CDKItem::ItemCDType && index.column() == 4) {
CDType t = K.section(item->buildPath())[item->index_];
if (t.type() == "b") {
f |= Qt::ItemIsUserCheckable;
// piCout << "ItemIsUserCheckable";
}
}
return f;
}
bool CDKItemModel::setData(const QModelIndex & index, const QVariant &value, int role) {
if (role == Qt::CheckStateRole && index.column() == 4) {
CDKItem * item = getItem(index);
if (item->type_ == CDKItem::ItemCDType) {
CDType t = K.section(item->buildPath())[item->index_];
if (t.type() == "b") {
bool result = item->setData(index.column(), PI2QString(PIString::fromBool(value.toBool())));
QModelIndex rin(CDKItemModel::index(index.row(), 3, index.parent()));
emit dataChanged(rin, rin);
return result;
}
}
}
if (role != Qt::EditRole) return false;
CDKItem * item = getItem(index);
bool result = item->setData(index.column(), value);
if (result) {
QModelIndex rin(CDKItemModel::index(index.row(), 3, index.parent()));
emit dataChanged(rin, rin);
emit dataChanged(index, index);
}
return result;
}
void CDKItemModel::rebuildModel() {
beginResetModel();
internalRebuild();
endResetModel();
}
void CDKItemModel::buildItem(CDKItem *it, CDSection & r) {
//piCout << "build item" << r.name << r.alias;
PIMap<int, CDType>::iterator i;
for (i = r.k.begin(); i != r.k.end(); ++i) {
it->childs << new CDKItem(i.key(), CDKItem::ItemCDType, it);
}
PIMap<int, CDSection>::iterator j;
for (j = r.s.begin(); j != r.s.end(); ++j) {
it->childs << new CDKItem(j.key(), CDKItem::ItemCDSection, it);
buildItem(it->childs.back(), j.value());
}
}
void CDKItemModel::updateModel() {
beginResetModel();
endResetModel();
}
void CDKItemModel::internalRebuild() {
//qDebug() << "[CDKItemModel]" << "internalRebuild()";
if (root) delete root;
root = new CDKItem(0, CDKItem::ItemCDSection, 0);
CDSection & r = K.root();
buildItem(root, r);
}
CDKItem * CDKItemModel::getItem(const QModelIndex &index) const {
if (index.isValid()) {
CDKItem * item = static_cast<CDKItem*>(index.internalPointer());
if (item) return item;
}
return root;
}
// CDKItem
CDKItem::CDKItem(int index, CDKItem::CDKItemType type, CDKItem *parent) {
index_ = index;
parent_ = parent;
type_ = type;
}
CDKItem::~CDKItem() {
qDeleteAll(childs);
}
QVariant CDKItem::data(int column, int role) const {
if (role == Qt::BackgroundRole) {
switch (type_) {
case ItemCDType: {
CDType & t = K.section(buildPath())[index_];
if (t.errorString().isEmpty()) return QBrush(QColor(255, 250, 230));
else return QBrush(QColor(255, 128, 128));
}
case ItemCDSection: return QBrush(QColor(230, 250, 230));
}
}
if (role == Qt::CheckStateRole && type_ == ItemCDType && column == 4) {
CDType & t = K.section(buildPath())[index_];
if (t.type() == "b") return t.toBool() ? Qt::Checked : Qt::Unchecked;
else QVariant();
}
if (role == Qt::ToolTipRole && type_ == ItemCDType) {
CDType & t = K.section(buildPath())[index_];
return PI2QString(t.errorString());
}
if (role != Qt::DisplayRole && role != Qt::EditRole) return QVariant();
PIDeque<int> path = buildPath();
CDSection & rs = K.section(path);
CDSection s;
switch (type_) {
case ItemCDType:
switch (column) {
case 0: return QString::number(index_);
case 1: return PI2QString(rs[index_].name());
case 2: return stringType(rs[index_].type());
case 3: return PI2QString(rs[index_].formula());
case 4: return value(rs[index_], role);
case 5: return PI2QString(rs[index_].comment());
default:
break;
}
break;
case ItemCDSection:
s = rs.section(index_);
// piCout << rs.name << rs.alias << s.name << s.alias;
switch (column) {
case 0: return QString("[") + QString::number(index_) + QString("]");
case 1: return PI2QString(s.alias);
case 2: return PI2QString(s.name);
default:
break;
}
break;
}
return QVariant();
}
QVariant CDKItem::value(CDType t, int role) const {
if (t.type() == "f") return t.toDouble();
if (t.type() == "n") return t.toInt();
if (t.type() == "b") return t.toBool();
if (t.type() == "e") {
QAD::Enum et = PI2QADEnum(t.enumValues());
et.selectValue(t.toInt());
if (role == Qt::EditRole) return QVariant::fromValue<QAD::Enum>(et);
else return et.selectedName();
}
return PI2QString(t.value());
}
bool CDKItem::setData(int column, const QVariant &value) {
if ((column == 3 || column == 4) && type_ == ItemCDType) {
K.section(buildPath())[index_].setValue(Q2PIString(value.toString()));
K.calculate();
return true;
}
return false;
}
PIDeque<int> CDKItem::buildPath() const {
PIDeque<int> path;
CDKItem * p = parent_;
while (p) {
path.push_front(p->index_);
p = p->parent_;
}
path.take_front();
return path;
}
QString CDKItem::stringType(const PIString & t) const {
QString n = PI2QString(t);
if (n.isEmpty()) return QString("");
switch (n[0].toLatin1()) {
case 'l': return QString("list"); break;
case 'b': return QString("bool"); break;
case 'n': return QString("int"); break;
case 'f': return QString("double"); break;
case 'c': return QString("color"); break;
case 'r': return QString("rect"); break;
case 'a': return QString("rect"); break;
case 'p': return QString("point"); break;
case 'v': return QString("vector"); break;
case 'i': return QString("IP"); break;
case 'e': return QString("enum"); break;
case 'F': return QString("file"); break;
case 'D': return QString("dir"); break;
}
return QString("double");
}
// CDKDelegate
CDKDelegate::CDKDelegate(QObject *parent) : QStyledItemDelegate(parent) {
}
QWidget *CDKDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const {
return new QVariantEdit(parent);
}
void CDKDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const {
QVariantEdit *edit = static_cast<QVariantEdit*>(editor);
edit->setValue(index.model()->data(index, Qt::EditRole));
}
void CDKDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const {
QVariantEdit *edit = static_cast<QVariantEdit*>(editor);
QVariant v = edit->value();
if (v.canConvert<QAD::Enum>()) {
QAD::Enum et = v.value<QAD::Enum>();
model->setData(index, et.selectedValue(), Qt::EditRole);
} else model->setData(index, v, Qt::EditRole);
}
void CDKDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const {
editor->setGeometry(option.rect);
}
QSize CDKDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const {
QSize s = QStyledItemDelegate::sizeHint(option, index);
s.setWidth(s.width() + 20);
return s;
}