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ktechlab/src/docmanager.cpp

501 lines
13 KiB

/***************************************************************************
* Copyright (C) 2005 by David Saxton *
* david@bluehaze.org *
* *
* 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. *
***************************************************************************/
#include "circuitdocument.h"
#include "docmanager.h"
#include "docmanageriface.h"
#include "flowcodedocument.h"
#include "iteminterface.h"
#include "itemselector.h"
#include "ktechlab.h"
#include "core/ktlconfig.h"
#include "mechanicsdocument.h"
#include "textdocument.h"
#include "textview.h"
#include "viewcontainer.h"
#include <klocale.h>
#include <kmessagebox.h>
#include <ktabwidget.h>
#include <qfile.h>
#include <assert.h>
DocManager * DocManager::m_pSelf = 0l;
DocManager * DocManager::self( KTechlab * ktechlab )
{
if ( !m_pSelf )
{
assert(ktechlab);
m_pSelf = new DocManager(ktechlab);
}
return m_pSelf;
}
DocManager::DocManager( KTechlab * ktechlab )
: QObject( ktechlab ),
p_ktechlab(ktechlab)
{
p_focusedView = 0l;
m_countCircuit = 0;
m_countFlowCode = 0;
m_countMechanics = 0;
m_countOther = 0;
p_connectedDocument = 0l;
m_nextDocumentID = 1;
m_pIface = new DocManagerIface(this);
}
DocManager::~DocManager()
{
}
bool DocManager::closeAll()
{
const DocumentList::iterator end = m_documentList.end();
while ( !m_documentList.isEmpty() )
{
Document *document = m_documentList.first();
if ( document->fileClose() )
{
m_documentList.remove(document);
removeDocumentAssociations(document);
}
else
return false;
}
return true;
}
void DocManager::gotoTextLine( const KURL &url, int line )
{
TextDocument * doc = dynamic_cast<TextDocument*>( openURL(url) );
if (!doc)
return;
doc->textView()->gotoLine(line);
}
Document* DocManager::openURL( const KURL &url, ViewArea *viewArea )
{
if ( url.isEmpty() )
return 0l;
if ( url.isLocalFile() )
{
QFile file(url.path());
if ( file.open(IO_ReadOnly) == false )
{
KMessageBox::sorry( 0l, i18n("Could not open '%1'").arg( url.prettyURL() ) );
return 0l;
}
file.close();
}
// If the document is already open, and a specific view area hasn't been
// specified, then just return that document - otherwise, create a new
// view in the viewarea
Document *document = findDocument(url);
if ( document )
{
if ( viewArea )
createNewView( document, viewArea );
else
giveDocumentFocus( document, viewArea );
return document;
}
QString fileName = url.fileName();
QString extension = fileName.right( fileName.length() - fileName.findRev('.') );
if ( extension == ".circuit" )
return openCircuitFile( url, viewArea );
else if ( extension == ".flowcode" )
return openFlowCodeFile( url, viewArea );
else if ( extension == ".mechanics" )
return openMechanicsFile( url, viewArea );
else
return openTextFile( url, viewArea );
}
Document *DocManager::getFocusedDocument() const
{
Document * doc = p_focusedView ? p_focusedView->document() : 0l;
return (doc && !doc->isDeleted()) ? doc : 0l;
}
void DocManager::giveDocumentFocus( Document * toFocus, ViewArea * viewAreaForNew )
{
if ( !toFocus )
return;
if ( View * activeView = toFocus->activeView() )
{
p_ktechlab->tabWidget()->showPage( activeView->viewContainer() );
activeView->setFocused();
activeView->viewContainer()->setFocused();
}
else if ( viewAreaForNew )
createNewView( toFocus, viewAreaForNew );
}
QString DocManager::untitledName( int type )
{
QString name;
switch(type)
{
case Document::dt_circuit:
{
if ( m_countCircuit>1 )
name = i18n("Untitled (Circuit %1)").arg(QString::number(m_countCircuit));
else
name = i18n("Untitled (Circuit)");
m_countCircuit++;
break;
}
case Document::dt_flowcode:
{
if ( m_countFlowCode>1 )
name = i18n("Untitled (FlowCode %1)").arg(QString::number(m_countFlowCode));
else
name = i18n("Untitled (FlowCode)");
m_countFlowCode++;
break;
}
case Document::dt_mechanics:
{
if ( m_countMechanics>1 )
name = i18n("Untitled (Mechanics %1)").arg(QString::number(m_countMechanics));
else
name = i18n("Untitled (Mechanics)");
m_countMechanics++;
break;
}
default:
{
if ( m_countOther>1 )
name = i18n("Untitled (%1)").arg(QString::number(m_countOther));
else
name = i18n("Untitled");
m_countOther++;
break;
}
}
return name;
}
Document *DocManager::findDocument( const KURL &url ) const
{
// First, look in the associated documents
if ( m_associatedDocuments.contains(url) )
return m_associatedDocuments[url];
// Not found, so look in the known documents
const DocumentList::const_iterator end = m_documentList.end();
for ( DocumentList::const_iterator it = m_documentList.begin(); it != end; ++it )
{
if ( (*it)->url() == url )
return *it;
}
return 0l;
}
void DocManager::associateDocument( const KURL &url, Document *document )
{
if (!document)
return;
m_associatedDocuments[url] = document;
}
void DocManager::removeDocumentAssociations( Document *document )
{
bool doneErase;
do
{
doneErase = false;
const URLDocumentMap::iterator end = m_associatedDocuments.end();
for ( URLDocumentMap::iterator it = m_associatedDocuments.begin(); it != end; ++it )
{
if ( it.data() == document )
{
doneErase = true;
m_associatedDocuments.erase(it);
break;
}
}
}
while (doneErase);
}
void DocManager::handleNewDocument( Document *document, ViewArea *viewArea )
{
if ( !document || m_documentList.contains(document) )
return;
m_documentList.append(document);
document->setDCOPID(m_nextDocumentID++);
connect( document, SIGNAL(modifiedStateChanged()), p_ktechlab, SLOT(slotDocModifiedChanged()) );
connect( document, SIGNAL(fileNameChanged(const KURL&)), p_ktechlab, SLOT(slotDocModifiedChanged()) );
connect( document, SIGNAL(fileNameChanged(const KURL&)), p_ktechlab, SLOT(addRecentFile(const KURL&)) );
connect( document, SIGNAL(destroyed(QObject* )), this, SLOT(documentDestroyed(QObject* )) );
connect( document, SIGNAL(viewFocused(View* )), this, SLOT(slotViewFocused(View* )) );
connect( document, SIGNAL(viewUnfocused()), this, SLOT(slotViewUnfocused()) );
createNewView( document, viewArea );
}
View *DocManager::createNewView( Document *document, ViewArea *viewArea )
{
if (!document)
return 0l;
View *view = 0l;
if (viewArea)
view = document->createView( viewArea->viewContainer(), viewArea->id() );
else
{
ViewContainer *viewContainer = new ViewContainer( document->caption(), p_ktechlab );
view = document->createView( viewContainer, 0 );
p_ktechlab->addWindow(viewContainer);
}
view->setFocused();
return view;
}
void DocManager::documentDestroyed( QObject *obj )
{
Document *doc = static_cast<Document*>(obj);
m_documentList.remove(doc);
removeDocumentAssociations(doc);
disableContextActions();
}
void DocManager::slotViewFocused( View *view )
{
ViewContainer * vc = static_cast<ViewContainer*>(p_ktechlab->tabWidget()->currentPage());
if (!vc)
view = 0l;
if (!view)
return;
// This function can get called with a view that is not in the current view
// container (such as when the user right clicks and then the popup is
// destroyed - not too sure why, but this is the easiest way to fix it).
if ( view->viewContainer() != vc )
view = vc->activeView();
if ( !view || (View*)p_focusedView == view )
return;
if (p_focusedView)
slotViewUnfocused();
p_focusedView = view;
if ( TextView * textView = dynamic_cast<TextView*>((View*)p_focusedView) )
p_ktechlab->factory()->addClient( textView->kateView() );
else
p_ktechlab->factory()->addClient( p_focusedView );
Document *document = view->document();
connect( document, SIGNAL(undoRedoStateChanged()), p_ktechlab, SLOT(slotDocUndoRedoChanged()) );
p_connectedDocument = document;
if ( document->type() == Document::dt_circuit ||
document->type() == Document::dt_flowcode ||
document->type() == Document::dt_mechanics )
{
ItemDocument *cvb = static_cast<ItemDocument*>(view->document());
ItemInterface::self()->slotItemDocumentChanged(cvb);
}
p_ktechlab->slotDocUndoRedoChanged();
p_ktechlab->slotDocModifiedChanged();
p_ktechlab->requestUpdateCaptions();
}
void DocManager::slotViewUnfocused()
{
p_ktechlab->removeGUIClients();
disableContextActions();
if (!p_focusedView)
return;
if (p_connectedDocument)
{
disconnect( p_connectedDocument, SIGNAL(undoRedoStateChanged()), p_ktechlab, SLOT(slotDocUndoRedoChanged()) );
p_connectedDocument = 0l;
}
ItemInterface::self()->slotItemDocumentChanged(0l);
p_focusedView = 0l;
// p_ktechlab->setCaption( 0 );
p_ktechlab->requestUpdateCaptions();
}
void DocManager::disableContextActions()
{
p_ktechlab->action("file_save")->setEnabled(false);
p_ktechlab->action("file_save_as")->setEnabled(false);
p_ktechlab->action("file_close")->setEnabled(false);
p_ktechlab->action("file_print")->setEnabled(false);
p_ktechlab->action("edit_undo")->setEnabled(false);
p_ktechlab->action("edit_redo")->setEnabled(false);
p_ktechlab->action("edit_cut")->setEnabled(false);
p_ktechlab->action("edit_copy")->setEnabled(false);
p_ktechlab->action("edit_paste")->setEnabled(false);
p_ktechlab->action("view_split_leftright")->setEnabled(false);
p_ktechlab->action("view_split_topbottom")->setEnabled(false);
}
TextDocument *DocManager::createTextDocument()
{
TextDocument *document = TextDocument::constructTextDocument( untitledName(Document::dt_text), p_ktechlab );
handleNewDocument(document);
return document;
}
CircuitDocument *DocManager::createCircuitDocument()
{
CircuitDocument *document = new CircuitDocument( untitledName(Document::dt_circuit), p_ktechlab );
handleNewDocument(document);
if ( KTLConfig::raiseItemSelectors() )
p_ktechlab->showToolView( p_ktechlab->toolView( ComponentSelector::toolViewIdentifier() ) );
return document;
}
FlowCodeDocument *DocManager::createFlowCodeDocument()
{
FlowCodeDocument *document = new FlowCodeDocument( untitledName(Document::dt_flowcode), p_ktechlab );
handleNewDocument(document);
if ( KTLConfig::raiseItemSelectors() )
p_ktechlab->showToolView( p_ktechlab->toolView( FlowPartSelector::toolViewIdentifier() ) );
return document;
}
MechanicsDocument *DocManager::createMechanicsDocument()
{
MechanicsDocument *document = new MechanicsDocument( untitledName(Document::dt_mechanics), p_ktechlab );
handleNewDocument(document);
if ( KTLConfig::raiseItemSelectors() )
p_ktechlab->showToolView( p_ktechlab->toolView( MechanicsSelector::toolViewIdentifier() ) );
return document;
}
CircuitDocument *DocManager::openCircuitFile( const KURL &url, ViewArea *viewArea )
{
CircuitDocument *document = new CircuitDocument( url.fileName().remove(url.directory()), p_ktechlab );
if ( !document->openURL(url) )
{
KMessageBox::sorry( 0l, i18n("Could not open Circuit file \"%1\"").arg(url.prettyURL()) );
document->deleteLater();
return 0l;
}
handleNewDocument( document, viewArea );
emit fileOpened(url);
return document;
}
FlowCodeDocument *DocManager::openFlowCodeFile( const KURL &url, ViewArea *viewArea )
{
FlowCodeDocument *document = new FlowCodeDocument( url.fileName().remove(url.directory()), p_ktechlab );
if ( !document->openURL(url) )
{
KMessageBox::sorry( 0l, i18n("Could not open FlowCode file \"%1\"").arg(url.prettyURL()) );
document->deleteLater();
return 0l;
}
handleNewDocument( document, viewArea );
emit fileOpened(url);
return document;
}
MechanicsDocument *DocManager::openMechanicsFile( const KURL &url, ViewArea *viewArea )
{
MechanicsDocument *document = new MechanicsDocument( url.fileName().remove(url.directory()), p_ktechlab );
if ( !document->openURL(url) )
{
KMessageBox::sorry( 0l, i18n("Could not open Mechanics file \"%1\"").arg(url.prettyURL()) );
document->deleteLater();
return 0l;
}
handleNewDocument( document, viewArea );
emit fileOpened(url);
return document;
}
TextDocument *DocManager::openTextFile( const KURL &url, ViewArea *viewArea )
{
TextDocument *document = TextDocument::constructTextDocument( url.fileName().remove(url.directory()), p_ktechlab );
if (!document)
return 0l;
if ( !document->openURL(url) )
{
KMessageBox::sorry( 0l, i18n("Could not open text file \"%1\"").arg(url.prettyURL()) );
document->deleteLater();
return 0l;
}
handleNewDocument( document, viewArea );
emit fileOpened(url);
return document;
}
#include "docmanager.moc"