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/*
* Copyright (c) 2002-2006 Samit Basu
*
* 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.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <QtGui>
#include <QDebug>
#include "HistoryWidget.hpp"
#include "Interpreter.hpp"
HistoryWidget::HistoryWidget(QWidget *parent) : QDockWidget("History",parent) {
m_flist = new QTreeWidget(this);
m_flist->header()->hide();
m_parent = 0;
setWidget(m_flist);
readSettings();
m_parent = new QTreeWidgetItem((QTreeWidget*)0,
QStringList("%% " + QDateTime::currentDateTime().toString()));
m_flist->addTopLevelItem(m_parent);
connect(m_flist,SIGNAL(itemDoubleClicked(QTreeWidgetItem*,int)),
this,SLOT(doubleClicked(QTreeWidgetItem*,int)));
setObjectName("history");
m_popup = new QMenu;
m_execute = new QAction("Execute selection",this);
connect(m_execute,SIGNAL(triggered()),this,SLOT(execute()));
m_clearall = new QAction("Clear all",this);
connect(m_clearall,SIGNAL(triggered()),this,SLOT(clearall()));
m_copy = new QAction("Copy selection",this);
m_copy->setShortcut(Qt::Key_C | Qt::CTRL);
connect(m_copy,SIGNAL(triggered()),this,SLOT(copy()));
m_popup->addAction(m_execute);
m_popup->addAction(m_clearall);
m_popup->addAction(m_copy);
m_flist->setSelectionMode(QAbstractItemView::ExtendedSelection);
setFocusPolicy(Qt::StrongFocus);
m_flist->scrollToBottom();
m_last_added = m_parent;
}
void HistoryWidget::execute() {
QList<QTreeWidgetItem *>items = m_flist->selectedItems();
if (items.size() > 0)
for (int i=0;i<items.size();i++)
emit sendCommand(items[i]->text(0));
}
void HistoryWidget::clearall() {
clear();
}
void HistoryWidget::copy() {
QString txt;
QList<QTreeWidgetItem *>items = m_flist->selectedItems();
if (items.size() > 0)
for (int i=0;i<items.size();i++)
txt += items[i]->text(0) + "\n";
QApplication::clipboard()->setText(txt,QClipboard::Clipboard);
}
void HistoryWidget::contextMenuEvent(QContextMenuEvent *e) {
m_popup->exec(e->globalPos());
}
void HistoryWidget::doubleClicked(QTreeWidgetItem* item, int) {
emit sendCommand(item->text(0));
}
void HistoryWidget::closeEvent(QCloseEvent *ce) {
// writeSettings();
emit writeHistory();
ce->accept();
}
void HistoryWidget::addCommand(QString t) {
if (!t.isEmpty()) {
if (m_last_added->text(0) == t) return;
// if (m_flist->count() >= 1000) {
// QTreeWidgetItem *p = m_flist->takeItem(0);
// delete p;
// }
m_last_added = new QTreeWidgetItem(m_parent,QStringList(t));
m_flist->scrollToItem(m_last_added);
update();
}
}
void HistoryWidget::readSettings() {
QSettings settings("FreeMat", Interpreter::getVersionString());
QStringList historyList = settings.value("interpreter/history").toStringList();
for (int i=0;i<historyList.size();i++) {
if (historyList[i].startsWith("%%")) {
m_parent = new QTreeWidgetItem((QTreeWidget*)0,QStringList(historyList[i]));
m_flist->addTopLevelItem(m_parent);
m_flist->expandItem(m_parent);
} else {
new QTreeWidgetItem(m_parent,QStringList(historyList[i]));
}
}
}
void HistoryWidget::clear() {
if (QMessageBox::warning(this,"Clear History","Are you sure you want to clear the history? There is no undo operation",QMessageBox::Yes,QMessageBox::No | QMessageBox::Default) == QMessageBox::Yes) {
m_flist->clear();
m_parent = new QTreeWidgetItem((QTreeWidget*)0,QStringList("%% " + QDateTime::currentDateTime().toString()));
m_flist->addTopLevelItem(m_parent);
m_last_added = m_parent;
emit clearHistory();
}
}
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