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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 <QColor>
#include <QPalette>
#include <QApplication>
#include "fileinfomodel.h"
#include "fileinfoitem.h"
FileInfoModel::FileInfoModel(QObject *parent) : QAbstractItemModel(parent) {
QList<QVariant> rootData;
rootData << QVariant() << QVariant();
mRootItem = new FileInfoItem(rootData, 0);
}
FileInfoModel::~FileInfoModel() {
delete mRootItem;
}
QModelIndex FileInfoModel::index(int row, int column, const QModelIndex &parent) const{
if(!hasIndex(row, column, parent)){
return QModelIndex();
}
FileInfoItem *parentItem;
if(!parent.isValid()){
parentItem = mRootItem;
}else{
parentItem = static_cast<FileInfoItem*>(parent.internalPointer());
}
FileInfoItem *childItem = parentItem->child(row);
if(childItem){
return createIndex(row, column, childItem);
}
return QModelIndex();
}
QModelIndex FileInfoModel::parent(const QModelIndex &index) const {
if(!index.isValid()){
return QModelIndex();
}
FileInfoItem *childItem = static_cast<FileInfoItem*>(index.internalPointer());
Q_ASSERT(childItem);
if(!childItem){
return QModelIndex();
}
FileInfoItem *parentItem = childItem->parent();
if(parentItem == mRootItem){
return QModelIndex();
}
if(parentItem->row() == -1){
return QModelIndex();
}
return createIndex(parentItem->row(), 0, parentItem);
}
int FileInfoModel::rowCount(const QModelIndex &parent) const {
FileInfoItem *parentItem;
if(parent.column() > 0){
return 0;
}
if(!parent.isValid()){
parentItem = mRootItem;
}else{
parentItem = static_cast<FileInfoItem*>(parent.internalPointer());
}
return parentItem->childCount();
}
int FileInfoModel::columnCount(const QModelIndex &parent) const {
if(!parent.isValid()){
return mRootItem->columnCount();
}
FileInfoItem *item = static_cast<FileInfoItem*>(parent.internalPointer());
return item->columnCount();
}
QVariant FileInfoModel::data(const QModelIndex &index, int role) const {
if(!index.isValid()){
return QVariant();
}
FileInfoItem *item = static_cast<FileInfoItem*>(index.internalPointer());
switch(role) {
case Qt::DisplayRole:
return item->data(index.column());
break;
case Qt::DecorationRole: {
if((item->parent() == mRootItem) && (index.column() == 0)){
return QIcon(":/dildo.png");
}
break;
}
case Qt::ForegroundRole:
if((item->parent() == mRootItem) && (index.column() == 0)){
qApp->palette().color(QPalette::WindowText);
}
return Qt::blue;
break;
}
return QVariant();
}
Qt::ItemFlags FileInfoModel::flags(const QModelIndex &) const {
return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
}
QVariant FileInfoModel::headerData(int, Qt::Orientation, int) const {
return QVariant();
}
void FileInfoModel::addFiles(const QStringList &files){
mCurrentIndex = QModelIndex();
mTitle = QString();
mMode = File;
mCurrentFiles = files;
insertRows(0, files.count(), createIndex(0, 0, mRootItem));
}
void FileInfoModel::addIndex(const QString &title, const QModelIndex &idx){
mCurrentFiles.clear();
mMode = Index;
mCurrentIndex = idx;
mTitle = title;
insertRows(0, 1, createIndex(0, 0, mRootItem));
}
bool FileInfoModel::insertRows(int row, int count, const QModelIndex &parent){
if(mMode == File){
if(count != mCurrentFiles.count()){
return false;
}
}else{
if((count != 1) || !mCurrentIndex.isValid()){
return false;
}
}
beginInsertRows(parent, row, row + count - 1);
int i(0), j(0);
FileInfoItem *p = static_cast<FileInfoItem*>(parent.internalPointer());
if(!p){
p = mRootItem;
}
for(i = row, j = 0; i < (row + count); ++i, ++j){
FileInfoItem *item = 0;
if(mMode == File){
item = new FileInfoItem(mCurrentFiles.at(j), p);
item->populate();
}else{
item = new FileInfoItem(mTitle, mCurrentIndex, p);
item->populateFromIndex();
}
p->appendChild(item);
}
endInsertRows();
emit layoutChanged();
mCurrentFiles.clear();
return true;
}
bool FileInfoModel::removeRows(int row, int count, const QModelIndex &parent){
FileInfoItem *item = static_cast<FileInfoItem*>(parent.internalPointer());
if(!item){
item = mRootItem;
}
if(((row + count - 1) >= item->childCount()) || (count == 0)) {
return false;
}
beginRemoveRows(parent, row, row + (count - 1));
for(int i = row + count; i > row; --i){
item->removeChild(i - 1);
}
endRemoveRows();
emit layoutChanged();
return true;
}
void FileInfoModel::clear(){
removeRows(0, mRootItem->childCount(), QModelIndex());
}
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