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396 lines
9.7 KiB
396 lines
9.7 KiB
/***************************************************************************
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quantaplugin.cpp - Base class for quanta plugins
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-------------------
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begin : Mon Sep 16 2002
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copyright : (C) 2002 by Marc Britton <consume@optushome.com.au>
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(C) 2003-2004 by Andras Mantia <amantia@kde.org>
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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/* KDE INCLUDES */
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#include <kstandarddirs.h>
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#include <klocale.h>
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#include <kiconloader.h>
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#include <kaction.h>
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#include <kparts/componentfactory.h>
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#include <kparts/part.h>
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#include <klocale.h>
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#include <kdockwidget.h>
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#include <kdebug.h>
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#include <kmessagebox.h>
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/* QT INCLUDES */
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#include <tqstring.h>
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#include <tqfile.h>
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#include <tqfileinfo.h>
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#include <tqwidget.h>
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#include <tqwidgetstack.h>
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#include <tqstringlist.h>
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#include <tqobject.h>
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/* OTHER INCLUDES */
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#include "quantaplugin.h"
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#include "resource.h"
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#include "quanta.h"
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#include "quantaview.h"
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#include "document.h"
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#include "quantacommon.h"
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#include "resource.h"
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#include "messageoutput.h"
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#include "project.h"
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#include "viewmanager.h"
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QuantaPlugin::QuantaPlugin()
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: m_isRunning(false)
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{
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m_readOnlyPart = true;
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m_action = 0L;
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m_icon = "";
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m_part = 0L;
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m_view = 0L;
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m_pluginToolView = 0L;
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m_targetWidget = 0L;
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}
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QuantaPlugin::~QuantaPlugin()
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{
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unload();
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}
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/** Sets the superficial name of the plugin */
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void QuantaPlugin::setPluginName(const TQString &a_name)
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{
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m_name = a_name;
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if (!m_action)
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{
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m_action = new KToggleAction(i18n(a_name.utf8()), 0, this, TQT_SLOT(toggle()), quantaApp->actionCollection(), a_name.ascii());
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}
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m_action->setText(a_name);
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}
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TQString QuantaPlugin::pluginName() const
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{
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return m_name;
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}
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void QuantaPlugin::setLocation(const TQString &a_location)
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{
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m_location = a_location;
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}
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TQString QuantaPlugin::location() const
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{
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return m_location;
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}
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bool QuantaPlugin::load()
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{
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if(isLoaded())
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return false;
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TQString loc = location();
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if(loc.isEmpty())
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{
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KStandardDirs *dirs = QuantaCommon::pluginDirs("lib");
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loc = dirs->findResource("lib", fileName());
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delete dirs;
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}
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else
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{
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loc += TQString("/") + fileName();
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}
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TQFileInfo partInfo(loc);
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TQString ow = outputWindow();
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m_targetWidget = new TQWidget(quantaApp);
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if (m_readOnlyPart)
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m_part = KParts::ComponentFactory::createPartInstanceFromLibrary<KParts::ReadOnlyPart>(partInfo.baseName().latin1(), m_targetWidget, 0, TQT_TQOBJECT(m_targetWidget), 0 );
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else
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m_part = KParts::ComponentFactory::createPartInstanceFromLibrary<KParts::ReadWritePart>(partInfo.baseName().latin1(), m_targetWidget, 0, TQT_TQOBJECT(m_targetWidget), 0 );
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if(!m_part)
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{
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KMessageBox::error(quantaApp, i18n("<qt>The <b>%1</b> plugin could not be loaded.<br>Possible reasons are:<br> - <b>%2</b> is not installed;<br> - the file <i>%3</i> is not installed or it is not reachable.").arg(m_name).arg(m_name).arg(m_fileName));
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delete m_targetWidget;
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m_targetWidget = 0L;
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return false;
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}
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m_part->setName(m_name.ascii()); // for better debug output
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m_part->widget()->setName(m_name.ascii()); //needed to be able to dock the same plugin twice in separate toolviews
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m_part->widget()->setFocusPolicy(TQ_ClickFocus);
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quantaApp->slotNewPart(m_part, false); // register the part in the partmanager
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return true;
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}
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bool QuantaPlugin::run()
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{
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if(!isLoaded())
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load();
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if(isLoaded())
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{
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bool result = true;
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QuantaView *view = ViewManager::ref()->activeView();
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if (view->document())
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{
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switch (m_input)
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{
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case 1: { result = m_part->openURL(view->document()->url());
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break;
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}
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case 2: { KURL url = view->document()->url();
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url.setPath(url.directory());
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url.adjustPath(1);
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result = m_part->openURL(url);
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break;
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}
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case 3: { KURL url;
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if ( Project::ref()->hasProject() &&
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(Project::ref()->contains(view->document()->url()) ||
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view->document()->isUntitled())
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)
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{
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url = Project::ref()->projectBaseURL();
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}
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else
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{
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url = view->document()->url();
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url.setPath(url.directory());
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url.adjustPath(1);
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}
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result = m_part->openURL(url);
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break;
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}
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default: ;
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}
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} else
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{
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if (m_input == 3 && (Project::ref()->hasProject())) //open project dir
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result = m_part->openURL(Project::ref()->projectBaseURL());
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}
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if (!result)
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{
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unload(false);
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return false;
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}
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addWidget();
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setRunning(true);
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connect( m_part, TQT_SIGNAL(setStatusBarText(const TQString &)),
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quantaApp, TQT_SLOT(slotStatusMsg( const TQString & )));
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emit pluginStarted();
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return true;
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}
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return false;
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}
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bool QuantaPlugin::toggle()
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{
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if (isLoaded())
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{
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return unload();
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} else
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{
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bool result = run();
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if (!result)
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{
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m_action->blockSignals(true);
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m_action->setChecked(false);
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m_action->blockSignals(false);
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}
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return result;
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}
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}
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/** Returns the file name of the plugin */
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TQString QuantaPlugin::fileName() const
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{
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return m_fileName;
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}
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/** Sets the file name of the plugin */
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void QuantaPlugin::setFileName(const TQString &a_fileName)
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{
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m_fileName = a_fileName;
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}
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/** Sets the output window */
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void QuantaPlugin::setOutputWindow(const TQString &a_outputWindow)
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{
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m_outputWindow = a_outputWindow;
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}
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/** Gets the output window */
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TQString QuantaPlugin::outputWindow() const
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{
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return m_outputWindow;
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}
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bool QuantaPlugin::validatePlugin(QuantaPlugin *a_plugin)
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{
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if(a_plugin)
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{
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return QuantaPlugin::validatePluginInfo(a_plugin->pluginName(),
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a_plugin->location(), a_plugin->fileName(),
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a_plugin->outputWindow());
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}
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return false;
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}
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/** Returns true if the information of a plugin is valid, otherwise false */
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bool QuantaPlugin::validatePluginInfo(const TQString & /*a_name*/,
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const TQString &a_location, const TQString &a_fileName, const TQString &/*a_outputWindow*/)
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{
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bool valid = true;
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// look the file up if location is null
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if(!a_location.isEmpty())
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{
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TQString path = a_location + TQString("/") + a_fileName;
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TQFileInfo pluginFile(path);
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if(!pluginFile.exists())
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valid = false;
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/* TODO : What other tests should we perform? Permissions etc? */
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}
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else
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{
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if (valid)
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{
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KStandardDirs *dirs = QuantaCommon::pluginDirs("lib");
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if(dirs->findResource("lib", a_fileName).isNull())
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valid = false;
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delete dirs;
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}
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}
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return valid; // past all tests, valid
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}
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/** Returns whether the plugin is loaded or not */
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bool QuantaPlugin::isLoaded()
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{
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return m_targetWidget != 0L;
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}
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bool QuantaPlugin::unload(bool remove)
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{
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if(!isLoaded())
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return false;
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disconnect( m_part, TQT_SIGNAL(setStatusBarText(const TQString &)),
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quantaApp, TQT_SLOT(slotStatusMsg( const TQString & )));
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delete (KParts::ReadOnlyPart*) m_part;
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m_part = 0;
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delete m_targetWidget;
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m_targetWidget = 0L;
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setRunning(false);
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emit pluginStopped();
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m_action->setChecked(false);
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if (remove)
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removeWidget();
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return true;
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}
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bool QuantaPlugin::isRunning() const
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{
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return m_isRunning;
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}
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void QuantaPlugin::setRunning(bool a_enable)
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{
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m_isRunning = a_enable;
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}
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/** Sets the plugin's standard attribute */
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void QuantaPlugin::setStandard(bool isStandard)
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{
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m_standard = isStandard;
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}
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/** Gets the plugin's standard attribute */
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bool QuantaPlugin::isStandard() const
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{
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return m_standard;
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}
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/** No descriptions */
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TQString QuantaPlugin::standardName()
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{
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return m_standardName;
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}
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/** No descriptions */
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void QuantaPlugin::setStandardName(const TQString& a_stdName)
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{
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m_standardName = a_stdName;
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}
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/** No descriptions */
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TQString QuantaPlugin::icon()
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{
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return m_icon;
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}
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/** No descriptions */
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void QuantaPlugin::setIcon(const TQString& a_icon)
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{
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m_icon = a_icon;
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if (m_action) m_action->setIcon(a_icon);
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}
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void QuantaPlugin::addWidget()
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{
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TQString ow = outputWindow();
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if(ow == i18n("Separate Toolview"))
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{
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m_part->widget()->setCaption(m_name);
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m_part->widget()->setIcon(SmallIcon(m_icon));
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m_pluginToolView = quantaApp->addToolWindow(m_part->widget(), quantaApp->prevDockPosition(m_part->widget(), KDockWidget::DockBottom), quantaApp->getMainDockWidget());
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m_pluginToolView->show();
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} else
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{
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m_view = ViewManager::ref()->createView();
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m_view->addPlugin(this);
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}
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}
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void QuantaPlugin::removeWidget()
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{
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TQString ow = outputWindow();
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if(ow == i18n("Separate Toolview"))
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{
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delete m_pluginToolView;
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m_pluginToolView = 0L;
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ViewManager::ref()->activeView()->setFocus();
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} else
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{
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ViewManager::ref()->removeView(m_view, true);
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}
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}
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TQWidget *QuantaPlugin::widget()
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{
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if (isLoaded()) {
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return m_part->widget();
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} else {
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return NULL;
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}
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}
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void QuantaPlugin::plugAction(TQPopupMenu *menu)
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{
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m_action->plug(menu);
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}
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#include "quantaplugin.moc"
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