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#include "completermodel.h"
#include "iconmanager.h"
#include "common/unused.h"
#include "completerview.h"
#include <QIcon>
#include <QVariant>
CompleterModel::CompleterModel(QObject *parent) :
QAbstractItemModel(parent)
{
}
QModelIndex CompleterModel::index(int row, int column, const QModelIndex& parent) const
{
if (parent.isValid())
return QModelIndex(); // no childrens
return createIndex(row, column);
}
QModelIndex CompleterModel::parent(const QModelIndex& child) const
{
UNUSED(child);
return QModelIndex();
}
int CompleterModel::rowCount(const QModelIndex& parent) const
{
UNUSED(parent);
return tokens.size();
}
int CompleterModel::columnCount(const QModelIndex& parent) const
{
UNUSED(parent);
return 1;
}
QVariant CompleterModel::data(const QModelIndex& index, int role) const
{
int row = index.row();
if (row < 0 || row >= tokens.size())
return QVariant();
ExpectedTokenPtr token = tokens[row];
switch (role)
{
case Qt::DisplayRole:
case VALUE:
return token->value;
case CONTEXT:
return token->contextInfo;
case LABEL:
return token->label;
case PREFIX:
return token->prefix;
case TYPE:
return (int)token->type;
case Qt::DecorationRole:
return getIcon(token->type);
}
return QVariant();
}
void CompleterModel::setCompleterView(CompleterView* view)
{
completerView = view;
}
void CompleterModel::setData(const QList<ExpectedTokenPtr>& data)
{
clear();
beginInsertRows(QModelIndex(), 0, data.size()-1);
tokens = data;
endInsertRows();
}
void CompleterModel::setFilter(const QString& filter)
{
this->filter = filter;
applyFilter();
}
QString CompleterModel::getFilter() const
{
return filter;
}
void CompleterModel::applyFilter()
{
bool empty = filter.isEmpty();
QModelIndex idx;
QString value;
QString prefix;
bool matched = empty;
for (int i = 0; i < rowCount(QModelIndex()); i++)
{
if (!empty)
{
idx = index(i, 0, QModelIndex());
value = idx.data(VALUE).toString();
prefix = idx.data(PREFIX).toString();
if (!prefix.isEmpty())
value.prepend(prefix+".");
matched = value.startsWith(filter, Qt::CaseInsensitive);
}
completerView->setRowHidden(i, !matched);
}
}
void CompleterModel::clear()
{
beginResetModel();
tokens.clear();
endResetModel();
}
ExpectedTokenPtr CompleterModel::getToken(int index) const
{
if (index < 0 || index >= tokens.size())
return ExpectedTokenPtr();
return tokens[index];
}
QIcon CompleterModel::getIcon(ExpectedToken::Type type) const
{
switch (type)
{
case ExpectedToken::COLUMN:
return ICONS.COLUMN;
case ExpectedToken::TABLE:
return ICONS.TABLE;
case ExpectedToken::INDEX:
return ICONS.INDEX;
case ExpectedToken::TRIGGER:
return ICONS.TRIGGER;
case ExpectedToken::VIEW:
return ICONS.VIEW;
case ExpectedToken::DATABASE:
return ICONS.DATABASE;
case ExpectedToken::OTHER:
return ICONS.COMPLETER_OTHER;
case ExpectedToken::KEYWORD:
return ICONS.KEYWORD;
case ExpectedToken::FUNCTION:
return ICONS.FUNCTION;
case ExpectedToken::OPERATOR:
return ICONS.COMPLETER_OPERATOR;
case ExpectedToken::STRING:
return ICONS.COMPLETER_STRING;
case ExpectedToken::NUMBER:
return ICONS.COMPLETER_NUMBER;
case ExpectedToken::BLOB:
return ICONS.COMPLETER_BLOB;
case ExpectedToken::COLLATION:
return ICONS.CONSTRAINT_COLLATION;
case ExpectedToken::PRAGMA:
return ICONS.COMPLETER_PRAGMA;
case ExpectedToken::NO_VALUE:
return ICONS.COMPLETER_NO_VALUE;
}
return ICONS.COMPLETER_NO_VALUE;
}
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