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/*
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.
*/
#include <QIcon>
#include <QTreeView>
#include <QPushButton>
#include <QLineEdit>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QLabel>
#include <QCompleter>
#include <QGroupBox>
#include <QSettings>
#include "mappingtablewidget.h"
#include "mappingtablemodel.h"
#include "smglobals.h"
MappingTableWidget::MappingTableWidget(const QString &table, QWidget *parent) : QWidget(parent), mTable(table), mCurrentId(-1){
//the view
mView = new QTreeView;
mView->setHeaderHidden(true);
mModel = new MappingTableItemModel(this);
mModel->setHeaderData(0, Qt::Horizontal, mTable);
mView->setModel(mModel);
mView->setAlternatingRowColors(true);
//mapping model
mMappingModel = static_cast<MappingTableModel*>(SmGlobals::instance()->model(mTable));
//editor
QHBoxLayout *itemEditLayout = new QHBoxLayout;
QString l1Text = QString(tr("&Edit %1")).arg(mTable);
QLabel *l1 = new QLabel(l1Text);
mItemEdit = new QLineEdit;
QCompleter *completer = new QCompleter(this);
completer->setModel(mMappingModel);
mItemEdit->setCompleter(completer);
l1->setBuddy(mItemEdit);
itemEditLayout->addWidget(l1);
itemEditLayout->addWidget(mItemEdit);
//buttons
QHBoxLayout *buttonLayout = new QHBoxLayout;
buttonLayout->addStretch();
mAddItem = new QPushButton(tr("&Add item"));
mRemoveItem = new QPushButton(tr("Remove item"));
buttonLayout->addWidget(mAddItem);
buttonLayout->addWidget(mRemoveItem);
connect(mAddItem, SIGNAL(clicked()), this, SLOT(addItem()));
connect(mRemoveItem, SIGNAL(clicked()), this, SLOT(removeItem()));
//layout
QVBoxLayout *groupBoxLayout = new QVBoxLayout;
groupBoxLayout->addWidget(mView);
groupBoxLayout->addLayout(itemEditLayout);
groupBoxLayout->addLayout(buttonLayout);
QString gbCaption = QString(tr("Edit %1")).arg(mTable);
QGroupBox *gb = new QGroupBox(gbCaption);
gb->setLayout(groupBoxLayout);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addWidget(gb);
setLayout(mainLayout);
setContentsMargins(0, 0, 0, 0);
}
void MappingTableWidget::setStringList(const QStringList &list){
mModel->setStringList(list);
}
void MappingTableWidget::setEditEnabled(bool enabled){
mAddItem->setEnabled(enabled);
mRemoveItem->setEnabled(enabled);
mItemEdit->setEnabled(enabled);
}
void MappingTableWidget::addItem(){
QString value = mItemEdit->text().toLower().trimmed();
if(mModel->stringList().contains(value)){
return;
}
if(!mMappingModel->contains(value)){
mMappingModel->addItem(value);
}
int row = mModel->lowerBound(value);
if(mModel->insertRows(row, 1)){
QModelIndex idx = mModel->index(row, 0);
mModel->setData(idx, value);
QModelIndex mapIndex = mMappingModel->find(value, 0, QModelIndex());
if(mapIndex.isValid()){
int id = mapIndex.data(MappingTableModel::ItemIdRole).toInt();
mMappingModel->addMapping(mCurrentId, id);
}
}
mItemEdit->clear();
}
void MappingTableWidget::removeItem(){
QModelIndexList selected = mView->selectionModel()->selectedRows();
if(selected.isEmpty()){
return;
}
foreach(QPersistentModelIndex i, selected){
QString item = i.data().toString();
mModel->removeRows(i.row(), 1);
QModelIndex itemIdx = mMappingModel->find(item);
if(itemIdx.isValid()){
mMappingModel->removeMapping(mCurrentId, itemIdx.data(MappingTableModel::ItemIdRole).toInt());
}
}
}
MappingTableItemModel::MappingTableItemModel(QObject *parent) : QStringListModel(parent){
QSettings s;
QString iconName = s.value("ui/folderIcon").toString();
mDecorationIcon = QIcon(SmGlobals::instance()->icons().value(iconName));
}
QVariant MappingTableItemModel::data(const QModelIndex &index, int role) const{
if(role == Qt::DecorationRole){
return decorationIcon();
}
return QStringListModel::data(index, role);
}
Qt::ItemFlags MappingTableItemModel::flags(const QModelIndex &index) const{
Q_UNUSED(index);
return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
}
int MappingTableItemModel::lowerBound(const QString &value) const{
int retval = 0;
for(int i = 0; i < stringList().count(); ++i){
if(stringList().at(i) < value){
++retval;
}else{
break;
}
}
return retval;
}
QModelIndex MappingTableItemModel::find(const QString &value) const{
int row = stringList().indexOf(value);
if(row == -1){
return QModelIndex();
}
return index(row, 0);
}
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