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/*
* This file is part of KDevelop
*
* Copyright 2013 Aleix Pol Gonzalez <aleixpol@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "documentationquickopenprovider.h"
#include <interfaces/icore.h>
#include <interfaces/idocumentationcontroller.h>
#include <interfaces/idocumentationprovider.h>
#include <KLocalizedString>
#include <QAbstractItemModel>
#include <QIcon>
using namespace KDevelop;
class DocumentationQuickOpenItem
: public QuickOpenDataBase
{
public:
DocumentationQuickOpenItem(const QModelIndex& data, IDocumentationProvider* p)
: QuickOpenDataBase()
, m_data(data)
, m_provider(p)
{}
QString text() const override
{
return m_data.data().toString();
}
QString htmlDescription() const override
{
return i18n("Documentation in the %1", m_provider->name());
}
bool execute(QString&) override
{
IDocumentation::Ptr docu = m_provider->documentationForIndex(m_data);
if (docu) {
ICore::self()->documentationController()->showDocumentation(docu);
}
return docu;
}
QIcon icon() const override
{
return m_provider->icon();
}
private:
const QModelIndex m_data;
IDocumentationProvider* const m_provider;
};
namespace {
uint recursiveRowCount(const QAbstractItemModel* m, const QModelIndex& idx)
{
uint rows = m->rowCount(idx);
uint ret = rows;
for (uint i = 0; i < rows; i++) {
ret += recursiveRowCount(m, m->index(i, 0, idx));
}
return ret;
}
void matchingIndexes(const QAbstractItemModel* m, const QString& match, const QModelIndex& idx, QList<QModelIndex>& ret, int& preferred)
{
if (m->hasChildren(idx)) {
for (int i = 0, rows = m->rowCount(); i < rows; i++) {
matchingIndexes(m, match, m->index(i, 0, idx), ret, preferred);
}
} else {
int index = idx.data().toString().indexOf(match, 0, Qt::CaseInsensitive);
if (index == 0) {
ret.insert(preferred++, idx);
} else if (index > 0) {
ret.append(idx);
}
}
}
}
DocumentationQuickOpenProvider::DocumentationQuickOpenProvider()
{
connect(ICore::self()->documentationController(), &IDocumentationController::providersChanged,
this, &DocumentationQuickOpenProvider::reset);
}
void DocumentationQuickOpenProvider::setFilterText(const QString& text)
{
if (text.size() < 2) {
return;
}
m_results.clear();
int split = 0;
const QList<IDocumentationProvider*> providers = ICore::self()->documentationController()->documentationProviders();
for (IDocumentationProvider* p : providers) {
QList<QModelIndex> idxs;
int internalSplit = 0;
int i = 0;
matchingIndexes(p->indexModel(), text, QModelIndex(), idxs, internalSplit);
for (const QModelIndex& idx : qAsConst(idxs)) {
m_results.insert(split + i, QuickOpenDataPointer(new DocumentationQuickOpenItem(idx, p)));
i++;
}
split += internalSplit;
}
}
uint DocumentationQuickOpenProvider::unfilteredItemCount() const
{
uint ret = 0;
const QList<IDocumentationProvider*> providers = ICore::self()->documentationController()->documentationProviders();
for (IDocumentationProvider* p : providers) {
ret += recursiveRowCount(p->indexModel(), QModelIndex());
}
return ret;
}
QuickOpenDataPointer DocumentationQuickOpenProvider::data(uint row) const
{
return m_results.at(row);
}
uint DocumentationQuickOpenProvider::itemCount() const
{
return m_results.size();
}
void DocumentationQuickOpenProvider::reset()
{
m_results.clear();
}
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