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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#include "../Application/jucer_Headers.h"
#include "jucer_OpenDocumentManager.h"
#include "../CodeEditor/jucer_ItemPreviewComponent.h"
#include "../Application/jucer_Application.h"
//==============================================================================
class UnknownDocument : public OpenDocumentManager::Document
{
public:
UnknownDocument (Project* p, const File& f)
: project (p), file (f)
{
reloadFromFile();
}
//==============================================================================
struct Type : public OpenDocumentManager::DocumentType
{
bool canOpenFile (const File&) override { return true; }
Document* openFile (Project* p, const File& f) override { return new UnknownDocument (p, f); }
};
//==============================================================================
bool loadedOk() const override { return true; }
bool isForFile (const File& f) const override { return file == f; }
bool isForNode (const ValueTree&) const override { return false; }
bool refersToProject (Project& p) const override { return project == &p; }
Project* getProject() const override { return project; }
bool needsSaving() const override { return false; }
bool save() override { return true; }
bool saveAs() override { return false; }
bool hasFileBeenModifiedExternally() override { return fileModificationTime != file.getLastModificationTime(); }
void reloadFromFile() override { fileModificationTime = file.getLastModificationTime(); }
String getName() const override { return file.getFileName(); }
File getFile() const override { return file; }
Component* createEditor() override { return new ItemPreviewComponent (file); }
Component* createViewer() override { return createEditor(); }
void fileHasBeenRenamed (const File& newFile) override { file = newFile; }
String getState() const override { return {}; }
void restoreState (const String&) override {}
String getType() const override
{
if (file.getFileExtension().isNotEmpty())
return file.getFileExtension() + " file";
jassertfalse;
return "Unknown";
}
private:
Project* const project;
File file;
Time fileModificationTime;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (UnknownDocument)
};
//==============================================================================
OpenDocumentManager::DocumentType* createGUIDocumentType();
OpenDocumentManager::OpenDocumentManager()
{
registerType (new UnknownDocument::Type());
registerType (new SourceCodeDocument::Type());
registerType (createGUIDocumentType());
}
OpenDocumentManager::~OpenDocumentManager()
{
}
void OpenDocumentManager::clear()
{
documents.clear();
types.clear();
}
//==============================================================================
void OpenDocumentManager::registerType (DocumentType* type, int index)
{
types.insert (index, type);
}
//==============================================================================
void OpenDocumentManager::addListener (DocumentCloseListener* listener)
{
listeners.addIfNotAlreadyThere (listener);
}
void OpenDocumentManager::removeListener (DocumentCloseListener* listener)
{
listeners.removeFirstMatchingValue (listener);
}
//==============================================================================
bool OpenDocumentManager::canOpenFile (const File& file)
{
for (int i = types.size(); --i >= 0;)
if (types.getUnchecked(i)->canOpenFile (file))
return true;
return false;
}
OpenDocumentManager::Document* OpenDocumentManager::openFile (Project* project, const File& file)
{
for (int i = documents.size(); --i >= 0;)
if (documents.getUnchecked(i)->isForFile (file))
return documents.getUnchecked(i);
Document* d = nullptr;
for (int i = types.size(); --i >= 0 && d == nullptr;)
{
if (types.getUnchecked(i)->canOpenFile (file))
{
d = types.getUnchecked(i)->openFile (project, file);
jassert (d != nullptr);
}
}
jassert (d != nullptr); // should always at least have been picked up by UnknownDocument
documents.add (d);
ProjucerApplication::getCommandManager().commandStatusChanged();
return d;
}
int OpenDocumentManager::getNumOpenDocuments() const
{
return documents.size();
}
OpenDocumentManager::Document* OpenDocumentManager::getOpenDocument (int index) const
{
return documents.getUnchecked (index);
}
FileBasedDocument::SaveResult OpenDocumentManager::saveIfNeededAndUserAgrees (OpenDocumentManager::Document* doc)
{
if (! doc->needsSaving())
return FileBasedDocument::savedOk;
const int r = AlertWindow::showYesNoCancelBox (AlertWindow::QuestionIcon,
TRANS("Closing document..."),
TRANS("Do you want to save the changes to \"")
+ doc->getName() + "\"?",
TRANS("Save"),
TRANS("Discard changes"),
TRANS("Cancel"));
if (r == 1) // save changes
return doc->save() ? FileBasedDocument::savedOk
: FileBasedDocument::failedToWriteToFile;
if (r == 2) // discard changes
return FileBasedDocument::savedOk;
return FileBasedDocument::userCancelledSave;
}
bool OpenDocumentManager::closeDocument (int index, bool saveIfNeeded)
{
if (Document* doc = documents [index])
{
if (saveIfNeeded)
if (saveIfNeededAndUserAgrees (doc) != FileBasedDocument::savedOk)
return false;
bool canClose = true;
for (int i = listeners.size(); --i >= 0;)
if (DocumentCloseListener* l = listeners[i])
if (! l->documentAboutToClose (doc))
canClose = false;
if (! canClose)
return false;
documents.remove (index);
ProjucerApplication::getCommandManager().commandStatusChanged();
}
return true;
}
bool OpenDocumentManager::closeDocument (Document* document, bool saveIfNeeded)
{
return closeDocument (documents.indexOf (document), saveIfNeeded);
}
void OpenDocumentManager::closeFile (const File& f, bool saveIfNeeded)
{
for (int i = documents.size(); --i >= 0;)
if (Document* d = documents[i])
if (d->isForFile (f))
closeDocument (i, saveIfNeeded);
}
bool OpenDocumentManager::closeAll (bool askUserToSave)
{
for (int i = getNumOpenDocuments(); --i >= 0;)
if (! closeDocument (i, askUserToSave))
return false;
return true;
}
bool OpenDocumentManager::closeAllDocumentsUsingProject (Project& project, bool saveIfNeeded)
{
for (int i = documents.size(); --i >= 0;)
if (Document* d = documents[i])
if (d->refersToProject (project))
if (! closeDocument (i, saveIfNeeded))
return false;
return true;
}
bool OpenDocumentManager::anyFilesNeedSaving() const
{
for (int i = documents.size(); --i >= 0;)
if (documents.getUnchecked (i)->needsSaving())
return true;
return false;
}
bool OpenDocumentManager::saveAll()
{
for (int i = documents.size(); --i >= 0;)
{
if (! documents.getUnchecked (i)->save())
return false;
ProjucerApplication::getCommandManager().commandStatusChanged();
}
return true;
}
void OpenDocumentManager::reloadModifiedFiles()
{
for (int i = documents.size(); --i >= 0;)
{
Document* d = documents.getUnchecked (i);
if (d->hasFileBeenModifiedExternally())
d->reloadFromFile();
}
}
void OpenDocumentManager::fileHasBeenRenamed (const File& oldFile, const File& newFile)
{
for (int i = documents.size(); --i >= 0;)
{
Document* d = documents.getUnchecked (i);
if (d->isForFile (oldFile))
d->fileHasBeenRenamed (newFile);
}
}
//==============================================================================
RecentDocumentList::RecentDocumentList()
{
ProjucerApplication::getApp().openDocumentManager.addListener (this);
}
RecentDocumentList::~RecentDocumentList()
{
ProjucerApplication::getApp().openDocumentManager.removeListener (this);
}
void RecentDocumentList::clear()
{
previousDocs.clear();
nextDocs.clear();
}
void RecentDocumentList::newDocumentOpened (OpenDocumentManager::Document* document)
{
if (document != nullptr && document != getCurrentDocument())
{
nextDocs.clear();
previousDocs.add (document);
}
}
bool RecentDocumentList::canGoToPrevious() const
{
return previousDocs.size() > 1;
}
bool RecentDocumentList::canGoToNext() const
{
return nextDocs.size() > 0;
}
OpenDocumentManager::Document* RecentDocumentList::getPrevious()
{
if (! canGoToPrevious())
return nullptr;
nextDocs.insert (0, previousDocs.removeAndReturn (previousDocs.size() - 1));
return previousDocs.getLast();
}
OpenDocumentManager::Document* RecentDocumentList::getNext()
{
if (! canGoToNext())
return nullptr;
OpenDocumentManager::Document* d = nextDocs.removeAndReturn (0);
previousDocs.add (d);
return d;
}
bool RecentDocumentList::contains (const File& f) const
{
for (int i = previousDocs.size(); --i >= 0;)
if (previousDocs.getUnchecked(i)->getFile() == f)
return true;
return false;
}
OpenDocumentManager::Document* RecentDocumentList::getClosestPreviousDocOtherThan (OpenDocumentManager::Document* oneToAvoid) const
{
for (int i = previousDocs.size(); --i >= 0;)
if (previousDocs.getUnchecked(i) != oneToAvoid)
return previousDocs.getUnchecked(i);
return nullptr;
}
bool RecentDocumentList::documentAboutToClose (OpenDocumentManager::Document* document)
{
previousDocs.removeAllInstancesOf (document);
nextDocs.removeAllInstancesOf (document);
jassert (! previousDocs.contains (document));
jassert (! nextDocs.contains (document));
return true;
}
static void restoreDocList (Project& project, Array <OpenDocumentManager::Document*>& list, const XmlElement* xml)
{
if (xml != nullptr)
{
OpenDocumentManager& odm = ProjucerApplication::getApp().openDocumentManager;
forEachXmlChildElementWithTagName (*xml, e, "DOC")
{
const File file (e->getStringAttribute ("file"));
if (file.exists())
{
if (OpenDocumentManager::Document* doc = odm.openFile (&project, file))
{
doc->restoreState (e->getStringAttribute ("state"));
list.add (doc);
}
}
}
}
}
void RecentDocumentList::restoreFromXML (Project& project, const XmlElement& xml)
{
clear();
if (xml.hasTagName ("RECENT_DOCUMENTS"))
{
restoreDocList (project, previousDocs, xml.getChildByName ("PREVIOUS"));
restoreDocList (project, nextDocs, xml.getChildByName ("NEXT"));
}
}
static void saveDocList (const Array <OpenDocumentManager::Document*>& list, XmlElement& xml)
{
for (int i = 0; i < list.size(); ++i)
{
const OpenDocumentManager::Document& doc = *list.getUnchecked(i);
XmlElement* e = xml.createNewChildElement ("DOC");
e->setAttribute ("file", doc.getFile().getFullPathName());
e->setAttribute ("state", doc.getState());
}
}
XmlElement* RecentDocumentList::createXML() const
{
XmlElement* xml = new XmlElement ("RECENT_DOCUMENTS");
saveDocList (previousDocs, *xml->createNewChildElement ("PREVIOUS"));
saveDocList (nextDocs, *xml->createNewChildElement ("NEXT"));
return xml;
}
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