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Diffstat (limited to 'src/docmanager.cpp')
| -rw-r--r-- | src/docmanager.cpp | 500 |
1 files changed, 500 insertions, 0 deletions
diff --git a/src/docmanager.cpp b/src/docmanager.cpp new file mode 100644 index 0000000..bf49985 --- /dev/null +++ b/src/docmanager.cpp @@ -0,0 +1,500 @@ +/*************************************************************************** + * 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" |