kxmlcommandselector.cpp

/*
 *  This file is part of the KDE libraries
 *  Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License version 2 as published by the Free Software Foundation.
 *
 *  This library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 **/
 
#include "kxmlcommandselector.h"
#include "kxmlcommand.h"
#include "kxmlcommanddlg.h"
#include "tdeprintcheck.h"
 
#include <tqcombobox.h>
#include <kpushbutton.h>
#include <tqlabel.h>
#include <tqcheckbox.h>
#include <tqlayout.h>
#include <tqtooltip.h>
#include <tqlineedit.h>
#include <kinputdialog.h>
#include <tdelocale.h>
#include <kiconloader.h>
#include <tdemessagebox.h>
#include <tdefiledialog.h>
#include <kseparator.h>
#include <kguiitem.h>
#include <kactivelabel.h>
#include <kdatetbl.h>
#include <kdialogbase.h>
 
KXmlCommandSelector::KXmlCommandSelector(bool canBeNull, TQWidget *parent, const char *name, KDialogBase *dlg)
: TQWidget(parent, name)
{
    m_cmd = new TQComboBox(this);
    connect(m_cmd, TQ_SIGNAL(activated(int)), TQ_SLOT(slotCommandSelected(int)));
    TQPushButton    *m_add = new KPushButton(this);
    TQPushButton    *m_edit = new KPushButton(this);
    m_add->setPixmap(SmallIcon("document-new"));
    m_edit->setPixmap(SmallIcon("configure"));
    connect(m_add, TQ_SIGNAL(clicked()), TQ_SLOT(slotAddCommand()));
    connect(m_edit, TQ_SIGNAL(clicked()), TQ_SLOT(slotEditCommand()));
    TQToolTip::add(m_add, i18n("New command"));
    TQToolTip::add(m_edit, i18n("Edit command"));
    m_shortinfo = new TQLabel(this);
    m_helpbtn = new KPushButton( this );
    m_helpbtn->setIconSet( SmallIconSet( "help" ) );
    connect( m_helpbtn, TQ_SIGNAL( clicked() ), TQ_SLOT( slotHelpCommand() ) );
    TQToolTip::add( m_helpbtn, i18n( "Information" ) );
        m_helpbtn->setEnabled( false );
 
    m_line = 0;
    m_usefilter = 0;
    TQPushButton    *m_browse = 0;
 
    TQVBoxLayout    *l0 = new TQVBoxLayout(this, 0, 10);
 
    if (canBeNull)
    {
        m_line = new TQLineEdit(this);
        m_browse = new KPushButton(KGuiItem(i18n("&Browse..."), "document-open"), this);
        m_usefilter = new TQCheckBox(i18n("Use co&mmand:"), this);
        connect(m_browse, TQ_SIGNAL(clicked()), TQ_SLOT(slotBrowse()));
        connect(m_usefilter, TQ_SIGNAL(toggled(bool)), m_line, TQ_SLOT(setDisabled(bool)));
        connect(m_usefilter, TQ_SIGNAL(toggled(bool)), m_browse, TQ_SLOT(setDisabled(bool)));
        connect(m_usefilter, TQ_SIGNAL(toggled(bool)), m_cmd, TQ_SLOT(setEnabled(bool)));
        connect(m_usefilter, TQ_SIGNAL(toggled(bool)), m_add, TQ_SLOT(setEnabled(bool)));
        connect(m_usefilter, TQ_SIGNAL(toggled(bool)), m_edit, TQ_SLOT(setEnabled(bool)));
        connect(m_usefilter, TQ_SIGNAL(toggled(bool)), m_shortinfo, TQ_SLOT(setEnabled(bool)));
        connect( m_usefilter, TQ_SIGNAL( toggled( bool ) ), TQ_SLOT( slotXmlCommandToggled( bool ) ) );
        m_usefilter->setChecked(true);
        m_usefilter->setChecked(false);
        //setFocusProxy(m_line);
        setTabOrder(m_usefilter, m_cmd);
        setTabOrder(m_cmd, m_add);
        setTabOrder(m_add, m_edit);
 
        TQHBoxLayout    *l1 = new TQHBoxLayout(0, 0, 10);
        l0->addLayout(l1);
        l1->addWidget(m_line);
        l1->addWidget(m_browse);
 
        KSeparator  *sep = new KSeparator(TQt::Horizontal, this);
        l0->addWidget(sep);
    }
    else
        setFocusProxy(m_cmd);
 
    TQGridLayout    *l2 = new TQGridLayout(0, 2, (m_usefilter?3:2), 0, 5);
    int c(0);
    l0->addLayout(l2);
    if (m_usefilter)
    {
        l2->addWidget(m_usefilter, 0, c++);
    }
    l2->addWidget(m_cmd, 0, c);
    TQHBoxLayout *l4 = new TQHBoxLayout( 0, 0, 5 );
    l2->addLayout( l4, 1, c );
    l4->addWidget( m_helpbtn, 0 );
    l4->addWidget( m_shortinfo, 1 );
    TQHBoxLayout    *l3 = new TQHBoxLayout(0, 0, 0);
    l2->addLayout(l3, 0, c+1);
    l3->addWidget(m_add);
    l3->addWidget(m_edit);
 
    if ( dlg )
        connect( this, TQ_SIGNAL( commandValid( bool ) ), dlg, TQ_SLOT( enableButtonOK( bool ) ) );
 
    loadCommands();
}
 
void KXmlCommandSelector::loadCommands()
{
    TQString    thisCmd = (m_cmd->currentItem() != -1 ? m_cmdlist[m_cmd->currentItem()] : TQString::null);
 
    m_cmd->clear();
    m_cmdlist.clear();
 
    TQStringList    list = KXmlCommandManager::self()->commandListWithDescription();
    TQStringList    desclist;
    for (TQStringList::Iterator it=list.begin(); it!=list.end(); ++it)
    {
        m_cmdlist << (*it);
        ++it;
        desclist << (*it);
    }
    m_cmd->insertStringList(desclist);
 
    int index = m_cmdlist.findIndex(thisCmd);
    if (index != -1)
        m_cmd->setCurrentItem(index);
    if (m_cmd->currentItem() != -1 && m_cmd->isEnabled())
        slotCommandSelected(m_cmd->currentItem());
}
 
TQString KXmlCommandSelector::command() const
{
    TQString    cmd;
    if (m_line && !m_usefilter->isChecked())
        cmd = m_line->text();
    else
        cmd = m_cmdlist[m_cmd->currentItem()];
    return cmd;
}
 
void KXmlCommandSelector::setCommand(const TQString& cmd)
{
    int index = m_cmdlist.findIndex(cmd);
 
    if (m_usefilter)
        m_usefilter->setChecked(index != -1);
    if (m_line)
        m_line->setText((index == -1 ? cmd : TQString::null));
    if (index != -1)
        m_cmd->setCurrentItem(index);
    if (m_cmd->currentItem() != -1 && m_cmd->isEnabled())
        slotCommandSelected(m_cmd->currentItem());
}
 
void KXmlCommandSelector::slotAddCommand()
{
    bool    ok(false);
    TQString    cmdId = KInputDialog::getText(i18n("Command Name"), i18n("Enter an identification name for the new command:"), TQString::null, &ok, this);
    if (ok)
    {
        bool    added(true);
 
        if (m_cmdlist.findIndex(cmdId) != -1)
        {
            if (KMessageBox::warningContinueCancel(
                this,
                i18n("A command named %1 already exists. Do you want "
                     "to continue and edit the existing one?").arg(cmdId),
                TQString::null,
                KStdGuiItem::cont()) == KMessageBox::Cancel)
            {
                return;
            }
            else
                added = false;
    }
 
        KXmlCommand *xmlCmd = KXmlCommandManager::self()->loadCommand(cmdId);
        if (KXmlCommandDlg::editCommand(xmlCmd, this))
            KXmlCommandManager::self()->saveCommand(xmlCmd);
 
        if (added)
            loadCommands();
    }
}
 
void KXmlCommandSelector::slotEditCommand()
{
    TQString    xmlId = m_cmdlist[m_cmd->currentItem()];
    KXmlCommand *xmlCmd = KXmlCommandManager::self()->loadCommand(xmlId);
    if (xmlCmd)
    {
        if (KXmlCommandDlg::editCommand(xmlCmd, this))
        {
            // force to load the driver if not already done
            xmlCmd->driver();
            KXmlCommandManager::self()->saveCommand(xmlCmd);
        }
        m_cmd->changeItem(xmlCmd->description(), m_cmd->currentItem());
        delete xmlCmd;
        slotCommandSelected(m_cmd->currentItem());
    }
    else
        KMessageBox::error(this, i18n("Internal error. The XML driver for the command %1 could not be found.").arg(xmlId));
}
 
void KXmlCommandSelector::slotBrowse()
{
    TQString    filename = KFileDialog::getOpenFileName(TQString::null, TQString::null, this);
    if (!filename.isEmpty() && m_line)
        m_line->setText(filename);
}
 
void KXmlCommandSelector::slotCommandSelected(int ID)
{
    KXmlCommand *xmlCmd = KXmlCommandManager::self()->loadCommand(m_cmdlist[ID], true);
    if (xmlCmd)
    {
        TQString msg;
        if ( xmlCmd->isValid() && KdeprintChecker::check( xmlCmd->requirements() ) )
        {
            msg = TQString::fromLocal8Bit("(ID = %1, %2 = ").arg(xmlCmd->name()).arg(i18n("output"));
            if (KXmlCommandManager::self()->checkCommand(xmlCmd->name(), KXmlCommandManager::None, KXmlCommandManager::Basic))
            {
                if (xmlCmd->mimeType() == "all/all")
                    msg.append(i18n("undefined"));
                else
                    msg.append(xmlCmd->mimeType());
            }
            else
                msg.append(i18n("not allowed"));
            msg.append(")");
            emit commandValid( true );
        }
        else
        {
            msg = "<font color=\"red\">" + i18n( "(Unavailable: requirements not satisfied)" ) + "</font>";
            emit commandValid( false );
        }
        m_shortinfo->setText(msg);
        m_help = xmlCmd->comment();
        m_helpbtn->setEnabled( !m_help.isEmpty() );
    }
    delete xmlCmd;
}
 
void KXmlCommandSelector::slotXmlCommandToggled( bool on )
{
    if ( on )
        slotCommandSelected( m_cmd->currentItem() );
    else
    {
        emit commandValid( true );
        m_shortinfo->setText( TQString::null );
    }
}
 
void KXmlCommandSelector::slotHelpCommand()
{
    TDEPopupFrame *pop = new TDEPopupFrame( m_helpbtn );
    KActiveLabel *lab = new KActiveLabel( m_help, pop );
    lab->resize( lab->sizeHint() );
    pop->setMainWidget( lab );
    pop->exec( m_helpbtn->mapToGlobal( TQPoint( m_helpbtn->width(), 0 ) ) );
    pop->close( 0 );
    delete pop;
}
 
#include "kxmlcommandselector.moc"