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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 "helpwidget.hpp"
#include "Interpreter.hpp"
#include <QtGui>
#include <QDebug>
HelpSearcher::HelpSearcher(QWidget *parent, QString basepath, HelpWindow *mgr) : QWidget(parent) {
QVBoxLayout *vlayout = new QVBoxLayout;
QWidget *pane = new QWidget;
QHBoxLayout *hlayout = new QHBoxLayout;
hlayout->addWidget(new QLabel("Search Text:"));
m_search_word = new QLineEdit;
hlayout->addWidget(m_search_word);
pane->setLayout(hlayout);
vlayout->addWidget(pane);
m_results_list = new QListWidget;
vlayout->addWidget(m_results_list);
setLayout(vlayout);
connect(m_search_word,SIGNAL(returnPressed()),this,SLOT(updateSearch()));
connect(m_results_list,SIGNAL(itemDoubleClicked(QListWidgetItem*)),
mgr,SLOT(activateModuleSearch(QListWidgetItem*)));
connect(m_results_list,SIGNAL(itemActivated(QListWidgetItem*)),
mgr,SLOT(activateModuleSearch(QListWidgetItem*)));
m_basepath = basepath;
searchString = &mgr->searchString;
}
void HelpSearcher::updateSearch() {
m_results_list->clear();
*searchString = m_search_word->text();
/* Todo: add ? and * search ability */
QRegExp search_pattern("\\b" + m_search_word->text() + "\\b");
// Get a list of all .html files
QDir dir(m_basepath);
dir.setNameFilters(QStringList() << "*.html");
QFileInfoList list = dir.entryInfoList();
bool isFound = false;
for (int i=0;i<list.size();i++) {
QFileInfo fileInfo = list.at(i);
QFile f(fileInfo.absoluteFilePath());
if (f.open(QIODevice::ReadOnly)) {
QTextStream str(&f);
QString helpText(str.readAll());
if (helpText.count(search_pattern) > 0) {
QString entry(fileInfo.fileName());
QRegExp reg("(\\w*)_(\\w*)");
if (reg.indexIn(entry) > -1) {
if (reg.cap(1) != "sec") {
new QListWidgetItem(reg.cap(2) + " (" + reg.cap(1) + ")",m_results_list);
isFound = true;
}
}
}
}
}
if (!isFound)
QMessageBox::warning(this, "helpwin",
"Cannot find help document for '" + m_search_word->text() + "'\n",
QMessageBox::Ok,QMessageBox::NoButton,QMessageBox::NoButton);
}
void HelpWindow::activateModule(QListWidgetItem* item) {
QString name_and_section(item->text());
QRegExp modname_pattern("^\\s*(\\b\\w+\\b)\\s*\\((\\b\\w+\\b)\\)");
if (modname_pattern.indexIn(name_and_section) < 0)
return;
}
void HelpWindow::activateModuleSearch(QListWidgetItem* item) {
QString name_and_section(item->text());
QRegExp modname_pattern("^\\s*(\\b\\w+\\b)\\s*\\((\\b\\w+\\b)\\)");
if (modname_pattern.indexIn(name_and_section) < 0)
return;
}
void HelpWindow::activateModule(QTreeWidgetItem* item, int) {
QString fulltext(item->text(0));
QRegExp modname("^\\s*(\\b[\\w]+\\b)");
if (modname.indexIn(fulltext) < 0)
return;
QString module(modname.cap(1).toLower());
}
void HelpWindow::helpText(QString fulltext) {
QList<QListWidgetItem *> items = m_helpwidget->m_flist->findItems(fulltext.toLower(),Qt::MatchStartsWith);
if (items.isEmpty()) {
QMessageBox::warning(this, "helpwin",
"Cannot find help document for '" + fulltext + "'\n",
QMessageBox::Ok,QMessageBox::NoButton,QMessageBox::NoButton);
return;
}
QListWidgetItem* item = items.at(0);
QString name_and_section(item->text());
QRegExp modname_pattern("^\\s*(\\b\\w+\\b)\\s*\\((\\b\\w+\\b)\\)");
if (modname_pattern.indexIn(name_and_section) < 0)
return;
m_helpwidget->m_flist->setCurrentItem(item);
}
HelpWidget::HelpWidget(QString url, HelpWindow *mgr) {
setObjectName("helpwidget");
m_browser = new QTabWidget(this);
setWidget(m_browser);
m_flist = new QListWidget;
// Populate the list widget
QFile *file = new QFile(url + "/modules.txt");
if (!file->open(QFile::ReadOnly | QIODevice::Text))
QMessageBox::warning(this,"Cannot Find Module List","The file modules.txt is missing from the directory "+url+" where I think help files should be. The Topic List widget will not function properly.",QMessageBox::Ok,QMessageBox::NoButton,QMessageBox::NoButton);
else {
QTextStream t(file);
while (!t.atEnd()) {
QString line(t.readLine());
new QListWidgetItem(line,m_flist);
}
}
delete file;
connect(m_flist,SIGNAL(itemDoubleClicked(QListWidgetItem*)),
mgr,SLOT(activateModule(QListWidgetItem*)));
connect(m_flist,SIGNAL(itemActivated(QListWidgetItem*)),
mgr,SLOT(activateModule(QListWidgetItem*)));
m_browser->addTab(m_flist,"Topic List");
m_browser->addTab(new HelpSearcher(m_browser,url,mgr),"Search");
}
HelpWindow::HelpWindow(QString url) {
setWindowIcon(QPixmap(":/images/freemat_help_small_mod_64.png"));
setWindowTitle(QString(Interpreter::getVersionString()) + " Online Help");
m_initial = url;
m_helpwidget = new HelpWidget(url,this);
addDockWidget(Qt::LeftDockWidgetArea,m_helpwidget);
createActions();
createMenus();
createToolBars();
createStatusBar();
readSettings();
}
void HelpWindow::closeEvent(QCloseEvent* ce) {
writeSettings();
ce->accept();
}
void HelpWindow::writeSettings() {
QSettings settings("FreeMat", Interpreter::getVersionString());
settings.setValue("helpwindow/state",saveState());
settings.setValue("helpwindow/pos", pos());
settings.setValue("helpwindow/size", size());
}
void HelpWindow::readSettings() {
QSettings settings("FreeMat", Interpreter::getVersionString());
QPoint pos = settings.value("helpwindow/pos", QPoint(200, 200)).toPoint();
QSize size = settings.value("helpwindow/size", QSize(500, 300)).toSize();
resize(size);
move(pos);
QByteArray state = settings.value("helpwindow/state").toByteArray();
restoreState(state);
}
void HelpWindow::createActions() {
QList<QKeySequence> stemp;
stemp.clear();
zoominAct = new QAction(QIcon(":/images/zoomin.png"),"Zoom &In",this);
zoominAct->setShortcut(Qt::Key_Plus | Qt::CTRL);
zoomoutAct = new QAction(QIcon(":/images/zoomout.png"),"Zoom &Out",this);
zoomoutAct->setShortcut(Qt::Key_Minus | Qt::CTRL);
copyAct = new QAction(QIcon(":/images/copy.png"),"&Copy Selection",this);
stemp.clear();
stemp.push_back(QKeySequence(Qt::Key_C | Qt::CTRL));
stemp.push_back(QKeySequence(Qt::Key_Insert | Qt::CTRL));
copyAct->setShortcuts(stemp);
exitAct = new QAction(QIcon(":/images/quit.png"),"&Exit Help",this);
exitAct->setShortcut(Qt::Key_Q | Qt::CTRL);
connect(exitAct,SIGNAL(triggered()),this,SLOT(close()));
forwardAct = new QAction(QIcon(":/images/next.png"),"&Next",this);
forwardAct->setShortcut(Qt::Key_Right | Qt::Key_Alt);
backAct = new QAction(QIcon(":/images/previous.png"),"&Previous",this);
backAct->setShortcut(Qt::Key_Left | Qt::Key_Alt);
homeAct = new QAction(QIcon(":/images/home.png"),"&Home",this);
homeAct->setShortcut(Qt::Key_Home | Qt::CTRL);
executeSelectionAct = new QAction(QIcon(":/images/player_playselection.png"),"&Execute Selection",this);
executeSelectionAct->setShortcut(Qt::Key_F9);
connect(executeSelectionAct,SIGNAL(triggered()),this,SLOT(execSelected()));
helpOnSelectionAct = new QAction(QIcon(":/images/help_onselection.png"), "&Help on Selection",this);
helpOnSelectionAct->setShortcut(Qt::Key_F2);
connect(helpOnSelectionAct,SIGNAL(triggered()),this,SLOT(helpOnSelection()));
forwardAct->setEnabled(false);
backAct->setEnabled(false);
}
void HelpWindow::createMenus() {
fileMenu = menuBar()->addMenu("&File");
fileMenu->addAction(exitAct);
editMenu = menuBar()->addMenu("&Edit");
editMenu->addAction(copyAct);
editMenu->addAction(helpOnSelectionAct);
editMenu->addAction(executeSelectionAct);
editMenu->addAction(zoominAct);
editMenu->addAction(zoomoutAct);
goMenu = menuBar()->addMenu("&Go");
goMenu->addAction(forwardAct);
goMenu->addAction(backAct);
goMenu->addAction(homeAct);
}
void HelpWindow::createToolBars() {
goToolBar = addToolBar("Go");
goToolBar->setObjectName("GoToolBar");
goToolBar->addAction(backAct);
goToolBar->addAction(forwardAct);
goToolBar->addAction(homeAct);
editToolBar = addToolBar("Edit");
editToolBar->setObjectName("EditToolBar");
editToolBar->addAction(copyAct);
editToolBar->addAction(helpOnSelectionAct);
editToolBar->addAction(executeSelectionAct);
editToolBar->addAction(zoominAct);
editToolBar->addAction(zoomoutAct);
}
void HelpWindow::createStatusBar() {
statusBar()->showMessage("Ready");
}
void HelpWindow::execSelected() {
}
void HelpWindow::helpOnSelection() {
}
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