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#include <QDesktopServices>
#include <QShortcut>
#include <QFile>
#include <QDebug>
#include "usermanual.h"
#include "ui_usermanual.h"
#include "helpers.h"
UserManual::UserManual(QWidget *parent) : QMainWindow(parent),
ui(new Ui::UserManual)
{
ui->setupUi(this);
QShortcut *closeKey = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this);
connect(closeKey, SIGNAL(activated()), this, SLOT(close()));
QShortcut *quitKey = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this);
connect(quitKey, SIGNAL(activated()), parent, SLOT(close()));
QAction *actionShowSearch = new QAction(this);
actionShowSearch->setShortcut(Qt::CTRL + Qt::Key_F);
actionShowSearch->setShortcutContext(Qt::WidgetShortcut);
addAction(actionShowSearch);
QAction *actionHideSearch = new QAction(this);
actionHideSearch->setShortcut(Qt::Key_Escape);
actionHideSearch->setShortcutContext(Qt::WidgetShortcut);
addAction(actionHideSearch);
setWindowTitle(tr("User Manual"));
ui->webView->page()->setLinkDelegationPolicy(QWebPage::DelegateExternalLinks);
QString searchPath = getSubsurfaceDataPath("Documentation");
if (searchPath.size()) {
// look for localized versions of the manual first
QString lang = uiLanguage(NULL);
QString prefix = searchPath.append("/user-manual");
QFile manual(prefix + "_" + lang + ".html");
if (!manual.exists())
manual.setFileName(prefix + "_" + lang.left(2) + ".html");
if (!manual.exists())
manual.setFileName(prefix + ".html");
QUrl url(manual.fileName());
ui->webView->setUrl(url);
} else {
ui->webView->setHtml(tr("Cannot find the Subsurface manual"));
}
ui->searchPanel->setParent(this);
ui->searchPanel->hide();
connect(actionShowSearch, SIGNAL(triggered(bool)), this, SLOT(showSearchPanel()));
connect(actionHideSearch, SIGNAL(triggered(bool)), this, SLOT(hideSearchPanel()));
connect(ui->webView, SIGNAL(linkClicked(QUrl)), this, SLOT(linkClickedSlot(QUrl)));
connect(ui->searchEdit, SIGNAL(textChanged(QString)), this, SLOT(searchTextChanged(QString)));
connect(ui->findNext, SIGNAL(clicked()), this, SLOT(searchNext()));
connect(ui->findPrev, SIGNAL(clicked()), this, SLOT(searchPrev()));
}
void UserManual::showSearchPanel()
{
ui->searchPanel->show();
ui->searchEdit->setFocus();
ui->searchEdit->selectAll();
}
void UserManual::hideSearchPanel()
{
ui->searchPanel->hide();
}
void UserManual::search(QString text, QWebPage::FindFlags flags = 0)
{
if (ui->webView->findText(text, QWebPage::FindWrapsAroundDocument | flags) || text.length() == 0) {
ui->searchEdit->setStyleSheet("");
} else {
ui->searchEdit->setStyleSheet("QLineEdit{background: red;}");
}
}
void UserManual::searchTextChanged(QString text)
{
bool hasText = text.length() > 0;
ui->findPrev->setEnabled(hasText);
ui->findNext->setEnabled(hasText);
search(text);
}
void UserManual::searchNext()
{
search(ui->searchEdit->text());
}
void UserManual::searchPrev()
{
search(ui->searchEdit->text(), QWebPage::FindBackward);
}
void UserManual::linkClickedSlot(QUrl url)
{
QDesktopServices::openUrl(url);
}
UserManual::~UserManual()
{
delete ui;
}
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