Wt examples  4.12.2
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Public Member Functions | Private Member Functions | Private Attributes | List of all members
GitViewApplication Class Reference

A simple application to navigate a git repository. More...

Inheritance diagram for GitViewApplication:
[legend]

Public Member Functions

 GitViewApplication (const WEnvironment &env)
 Constructor.
 
- Public Member Functions inherited from Wt::WApplication
 WApplication (const WEnvironment &environment)
 
 ~WApplication ()
 
const WEnvironment & environment () const
 
WContainerWidget * root () const
 
WWidget * findWidget (const std::string &name)
 
void setTitle (const WString &title)
 
const WString & title () const
 
const WString & closeMessage () const
 
std::shared_ptr< WLocalizedStrings > localizedStrings ()
 
void setLocalizedStrings (const std::shared_ptr< WLocalizedStrings > &stringResolver)
 
WMessageResourceBundle & messageResourceBundle ()
 
void setLocale (const WLocale &locale, bool doRefresh=true)
 
const WLocale & locale () const
 
virtual void refresh ()
 
void bindWidget (std::unique_ptr< WWidget > widget, const std::string &domId)
 
std::string docRoot () const
 
void setConnectionMonitor (const std::string &jsObject)
 
std::string sessionId () const
 
void changeSessionId ()
 
void processEvents ()
 
virtual void waitForEvent ()
 
virtual void initialize ()
 
virtual void finalize ()
 
void setTwoPhaseRenderingThreshold (int size)
 
void setCookie (const Http::Cookie &cookie)
 
void setCookie (const std::string &name, const std::string &value, int maxAge, const std::string &domain="", const std::string &path="", bool secure=false)
 
void removeCookie (const Http::Cookie &cookie)
 
void removeCookie (const std::string &name, const std::string &domain="", const std::string &path="")
 
void addMetaLink (const std::string &href, const std::string &rel, const std::string &media, const std::string &hreflang, const std::string &type, const std::string &sizes, bool disabled)
 
void removeMetaLink (const std::string &href)
 
void addMetaHeader (const std::string &name, const WString &content, const std::string &lang="")
 
void addMetaHeader (MetaHeaderType type, const std::string &name, const WString &content, const std::string &lang="")
 
WString metaHeader (MetaHeaderType type, const std::string &name) const
 
void removeMetaHeader (MetaHeaderType type, const std::string &name="")
 
WLogEntry log (const std::string &type) const
 
void setLoadingIndicator (std::unique_ptr< WLoadingIndicator > indicator)
 
WLoadingIndicator * loadingIndicator () const
 
void quit ()
 
void quit (const WString &restartMessage)
 
bool hasQuit () const
 
::int64_t maximumRequestSize () const
 
Signal< ::int64_t > & requestTooLarge ()
 
void setConfirmCloseMessage (const WString &message)
 
void deferRendering ()
 
void resumeRendering ()
 
std::string encodeUntrustedUrl (const std::string &url) const
 
void pushExposedConstraint (WWidget *w)
 
void suspend (std::chrono::seconds duration)
 
Signal & unsuspended ()
 
ServerSideFontMetrics * serverSideFontMetrics ()
 
WCssStyleSheet & styleSheet ()
 
void useStyleSheet (const WLink &link, const std::string &media="all")
 
void useStyleSheet (const WLink &link, const std::string &condition, const std::string &media)
 
void useStyleSheet (const WLinkedCssStyleSheet &styleSheet, const std::string &condition="")
 
void removeStyleSheet (const WLink &link)
 
void setTheme (const std::shared_ptr< WTheme > &theme)
 
std::shared_ptr< WTheme > theme () const
 
void setCssTheme (const std::string &name)
 
void setLayoutDirection (LayoutDirection direction)
 
LayoutDirection layoutDirection () const
 
void setBodyClass (const std::string &styleClass)
 
std::string bodyClass () const
 
void setHtmlClass (const std::string &styleClass)
 
std::string htmlClass () const
 
void setHtmlAttribute (const std::string &name, const std::string &value)
 
WString htmlAttribute (const std::string &name) const
 
void setBodyAttribute (const std::string &name, const std::string &value)
 
WString bodyAttribute (const std::string &name) const
 
std::string url (const std::string &internalPath=std::string()) const
 
virtual std::string makeAbsoluteUrl (const std::string &url) const
 
std::string resolveRelativeUrl (const std::string &url) const
 
std::string bookmarkUrl () const
 
std::string bookmarkUrl (const std::string &internalPath) const
 
void setInternalPath (const std::string &path, bool emitChange=false)
 
void setInternalPathDefaultValid (bool valid)
 
bool internalPathDefaultValid () const
 
void setInternalPathValid (bool valid)
 
bool internalPathValid () const
 
std::string internalPath () const
 
std::string internalPathNextPart (const std::string &path) const
 
bool internalPathMatches (const std::string &path) const
 
Signal< std::string > & internalPathChanged ()
 
Signal< std::string > & internalPathInvalid ()
 
void redirect (const std::string &url)
 
void enableUpdates (bool enabled=true)
 
bool updatesEnabled () const
 
void triggerUpdate ()
 
void attachThread (bool attach=true)
 
void doJavaScript (const std::string &javascript, bool afterLoaded=true)
 
void addAutoJavaScript (const std::string &javascript)
 
void declareJavaScriptFunction (const std::string &name, const std::string &function)
 
bool require (const std::string &url, const std::string &symbol=std::string())
 
bool requireJQuery (const std::string &url)
 
bool customJQuery () const
 
void setJavaScriptClass (const std::string &className)
 
std::string javaScriptClass ()
 
EventSignal< WKeyEvent > & globalKeyWentDown ()
 
EventSignal< WKeyEvent > & globalKeyPressed ()
 
EventSignal< WKeyEvent > & globalKeyWentUp ()
 
EventSignal & globalEnterPressed ()
 
EventSignal & globalEscapePressed ()
 
WCssStyleSheet & styleSheet ()
 
void useStyleSheet (const WLink &link, const std::string &media="all")
 
void useStyleSheet (const WLink &link, const std::string &condition, const std::string &media)
 
void useStyleSheet (const WLinkedCssStyleSheet &styleSheet, const std::string &condition="")
 
void removeStyleSheet (const WLink &link)
 
void setTheme (const std::shared_ptr< WTheme > &theme)
 
std::shared_ptr< WTheme > theme () const
 
void setCssTheme (const std::string &name)
 
void setLayoutDirection (LayoutDirection direction)
 
LayoutDirection layoutDirection () const
 
void setBodyClass (const std::string &styleClass)
 
std::string bodyClass () const
 
void setHtmlClass (const std::string &styleClass)
 
std::string htmlClass () const
 
void setHtmlAttribute (const std::string &name, const std::string &value)
 
WString htmlAttribute (const std::string &name) const
 
void setBodyAttribute (const std::string &name, const std::string &value)
 
WString bodyAttribute (const std::string &name) const
 
std::string url (const std::string &internalPath=std::string()) const
 
virtual std::string makeAbsoluteUrl (const std::string &url) const
 
std::string resolveRelativeUrl (const std::string &url) const
 
std::string bookmarkUrl () const
 
std::string bookmarkUrl (const std::string &internalPath) const
 
void setInternalPath (const std::string &path, bool emitChange=false)
 
void setInternalPathDefaultValid (bool valid)
 
bool internalPathDefaultValid () const
 
void setInternalPathValid (bool valid)
 
bool internalPathValid () const
 
std::string internalPath () const
 
std::string internalPathNextPart (const std::string &path) const
 
bool internalPathMatches (const std::string &path) const
 
Signal< std::string > & internalPathChanged ()
 
Signal< std::string > & internalPathInvalid ()
 
void redirect (const std::string &url)
 
void enableUpdates (bool enabled=true)
 
bool updatesEnabled () const
 
void triggerUpdate ()
 
void attachThread (bool attach=true)
 
void doJavaScript (const std::string &javascript, bool afterLoaded=true)
 
void addAutoJavaScript (const std::string &javascript)
 
void declareJavaScriptFunction (const std::string &name, const std::string &function)
 
bool require (const std::string &url, const std::string &symbol=std::string())
 
bool requireJQuery (const std::string &url)
 
bool customJQuery () const
 
void setJavaScriptClass (const std::string &className)
 
std::string javaScriptClass ()
 
EventSignal< WKeyEvent > & globalKeyWentDown ()
 
EventSignal< WKeyEvent > & globalKeyPressed ()
 
EventSignal< WKeyEvent > & globalKeyWentUp ()
 
EventSignal & globalEnterPressed ()
 
EventSignal & globalEscapePressed ()
 
- Public Member Functions inherited from Wt::WObject
void addChild (std::unique_ptr< WObject > child)
 
Child * addChild (std::unique_ptr< Child > child)
 
std::unique_ptr< WObject > removeChild (WObject *child)
 
std::unique_ptr< Child > removeChild (Child *child)
 
virtual const std::string id () const
 
virtual void setObjectName (const std::string &name)
 
virtual std::string objectName () const
 
void resetLearnedSlots ()
 
void resetLearnedSlot (void(T::*method)())
 
WStatelessSlot * implementStateless (void(T::*method)())
 
WStatelessSlot * implementStateless (void(T::*method)(), void(T::*undoMethod)())
 
void isNotStateless ()
 
WStatelessSlot * implementJavaScript (void(T::*method)(), const std::string &jsCode)
 
- Public Member Functions inherited from Wt::Core::observable
 observable () noexcept
 
virtual ~observable ()
 
auto bindSafe (void(C::*method)(Args...)) noexcept
 
auto bindSafe (void(C::*method)(Args...) const) const noexcept
 
auto bindSafe (const Function &function) noexcept
 

Private Member Functions

void loadGitModel ()
 Change repository and/or revision.
 
void showFile ()
 Displayed the currently selected file.
 

Private Attributes

WLineEdit * repositoryEdit_
 
WLineEdit * revisionEdit_
 
WText * repositoryError_
 
WText * revisionError_
 
std::shared_ptr< GitModel > gitModel_
 
WTreeView * gitView_
 
SourceView * sourceView_
 

Additional Inherited Members

- Public Types inherited from Wt::WApplication
typedef Wt::ApplicationCreator ApplicationCreator
 
typedef std::function< std::unique_ptr< WApplication >(const WEnvironment &)> ApplicationCreator
 
- Public Types inherited from Wt::WObject
typedef void(WObject::* Method) ()
 
- Static Public Member Functions inherited from Wt::WApplication
static WApplication * instance ()
 
static std::string resourcesUrl ()
 
static std::string relativeResourcesUrl ()
 
static std::string appRoot ()
 
static bool readConfigurationProperty (const std::string &name, std::string &value)
 
- Protected Member Functions inherited from Wt::WApplication
virtual void notify (const WEvent &e)
 
virtual bool isExposed (WWidget *w) const
 
virtual void enableAjax ()
 
virtual void unload ()
 
virtual void idleTimeout ()
 
virtual void handleJavaScriptError (const std::string &errorText)
 
- Protected Member Functions inherited from Wt::WObject
virtual WStatelessSlot * getStateless (Method method)
 

Detailed Description

A simple application to navigate a git repository.

This examples demonstrates how to use the custom model use GitModel with a WTreeView.

Definition at line 39 of file GitView.C.

Constructor & Destructor Documentation

◆ GitViewApplication()

GitViewApplication::GitViewApplication ( const WEnvironment &  env)
inline

Constructor.

Definition at line 44 of file GitView.C.

45 : WApplication(env)
46 {
47 useStyleSheet("gitview.css");
48 setTitle("Git model example");
49
50 const char *gitRepo = getenv("GITVIEW_REPOSITORY_PATH");
51
52 auto grid
53 = std::make_unique<WGridLayout>();
54 grid->addWidget(std::make_unique<WText>("Git repository path:"), 0, 0);
55
56 repositoryEdit_ = grid->addWidget(std::make_unique<WLineEdit>(gitRepo ? gitRepo : ""),
57 0, 1, AlignmentFlag::Left);
58 repositoryError_ = grid->addWidget(std::make_unique<WText>(), 0, 2);
59
60 grid->addWidget(std::make_unique<WText>("Revision:"), 1, 0);
61
62 revisionEdit_ = grid->addWidget(std::make_unique<WLineEdit>("master"),
63 1, 1, AlignmentFlag::Left);
64 revisionError_ = grid->addWidget(std::make_unique<WText>(), 1, 2);
65
66 repositoryEdit_->setTextSize(30);
67 revisionEdit_->setTextSize(20);
68 repositoryError_->setStyleClass("error-msg");
69 revisionError_->setStyleClass("error-msg");
70
71 repositoryEdit_->enterPressed()
72 .connect(this, &GitViewApplication::loadGitModel);
73 revisionEdit_->enterPressed()
74 .connect(this, &GitViewApplication::loadGitModel);
75
76 auto button = grid->addWidget(std::make_unique<WPushButton>("Load"),
77 2, 0, AlignmentFlag::Left);
78 button->clicked().connect(this, &GitViewApplication::loadGitModel);
79
80 auto gitView = std::make_unique<WTreeView>();
81 gitView_ = gitView.get();
82 gitView_->resize(300, WLength::Auto);
83 gitView_->setSortingEnabled(false);
84
85 gitModel_
86 = std::make_shared<GitModel>();
87 gitView_->setModel(gitModel_);
88 gitView_->setSelectionMode(SelectionMode::Single);
89 gitView_->selectionChanged().connect(this, &GitViewApplication::showFile);
90
91 auto sourceView
92 = std::make_unique<SourceView>(ItemDataRole::Display,
93 GitModel::ContentsRole, GitModel::FilePathRole);
94 sourceView_ = sourceView.get();
95 sourceView_->setStyleClass("source-view");
96
97 /* FIXME: adding a gridlayout to a box layout */
98 if (environment().javaScript()) {
99 /*
100 * We have JavaScript: We can use layout managers so everything will
101 * always fit nicely in the window.
102 */
103 auto topLayout = root()->setLayout(std::make_unique<WVBoxLayout>());
104 root()->setStyleClass("maindiv");
105 topLayout->addLayout(std::move(grid),0);
106
107 auto gitLayout = std::make_unique<WHBoxLayout>();
108 gitLayout->addWidget(std::move(gitView),0);
109 gitLayout->addWidget(std::move(sourceView),1);
110 topLayout->addLayout(std::move(gitLayout),1);
111 } else {
112 /*
113 * No JavaScript: let's make the best of the situation using regular
114 * CSS-based layout
115 */
116 root()->setStyleClass("maindiv");
117 auto top
118 = std::make_unique<WContainerWidget>();
119 top->setLayout(std::move(grid));
120 root()->addWidget(std::move(top));
121 root()->addWidget(std::move(gitView));
122 gitView_->setFloatSide(Side::Left);
123 gitView_->setMargin(6);
124 root()->addWidget(std::move(sourceView));
125 sourceView_->setMargin(6);
126 }
127 }
GitModel::ContentsRole
static const ItemDataRole ContentsRole
The role which may be used on a file to retrieve its contents.
Definition GitModel.h:43
GitModel::FilePathRole
static const ItemDataRole FilePathRole
Definition GitModel.h:44
GitViewApplication::loadGitModel
void loadGitModel()
Change repository and/or revision.
Definition GitView.C:138
GitViewApplication::repositoryError_
WText * repositoryError_
Definition GitView.C:131
GitViewApplication::repositoryEdit_
WLineEdit * repositoryEdit_
Definition GitView.C:130
GitViewApplication::revisionError_
WText * revisionError_
Definition GitView.C:131
GitViewApplication::sourceView_
SourceView * sourceView_
Definition GitView.C:134
GitViewApplication::gitModel_
std::shared_ptr< GitModel > gitModel_
Definition GitView.C:132
GitViewApplication::revisionEdit_
WLineEdit * revisionEdit_
Definition GitView.C:130
GitViewApplication::gitView_
WTreeView * gitView_
Definition GitView.C:133
GitViewApplication::showFile
void showFile()
Displayed the currently selected file.
Definition GitView.C:156
Wt::EventSignal::connect
Wt::Signals::connection connect(F function)
Wt::ItemDataRole::Display
static constexpr const int Display
Wt::Signal::connect
virtual Wt::Signals::connection connect(WObject *target, WObject::Method method) override
Wt::WAbstractItemView::selectionChanged
Signal & selectionChanged()
Wt::WAbstractItemView::setSortingEnabled
void setSortingEnabled(bool enabled)
Wt::WAbstractItemView::setSelectionMode
void setSelectionMode(SelectionMode mode)
Wt::WApplication::root
WContainerWidget * root() const
Wt::WApplication::setTitle
void setTitle(const WString &title)
Wt::WApplication::useStyleSheet
void useStyleSheet(const WLink &link, const std::string &media="all")
Wt::WApplication::environment
const WEnvironment & environment() const
Wt::WCompositeWidget::setFloatSide
virtual void setFloatSide(Side s) override
Wt::WCompositeWidget::setMargin
virtual void setMargin(const WLength &margin, WFlags< Side > sides=AllSides) override
Wt::WContainerWidget::setLayout
void setLayout(std::unique_ptr< WLayout > layout)
Wt::WContainerWidget::addWidget
virtual void addWidget(std::unique_ptr< WWidget > widget)
Wt::WInteractWidget::enterPressed
EventSignal & enterPressed()
Wt::WLength::Auto
static WLength Auto
Wt::WLineEdit::setTextSize
void setTextSize(int chars)
Wt::WTreeView::setModel
virtual void setModel(const std::shared_ptr< WAbstractItemModel > &model) override
Wt::WTreeView::resize
virtual void resize(const WLength &width, const WLength &height) override
Wt::WWebWidget::setMargin
virtual void setMargin(const WLength &margin, WFlags< Side > sides=AllSides) override
Wt::WWebWidget::setStyleClass
virtual void setStyleClass(const WString &styleClass) override
Wt::Key::Left
@ Left
Wt::AlignmentFlag
AlignmentFlag

Member Function Documentation

◆ loadGitModel()

void GitViewApplication::loadGitModel ( )
inlineprivate

Change repository and/or revision.

Definition at line 138 of file GitView.C.

138 {
139 sourceView_->setIndex(WModelIndex());
140 repositoryError_->setText("");
141 revisionError_->setText("");
142 try {
143 gitModel_->setRepositoryPath(repositoryEdit_->text().toUTF8());
144 try {
145 gitModel_->loadRevision(revisionEdit_->text().toUTF8());
146 } catch (const Git::Exception& e) {
147 revisionError_->setText(e.what());
148 }
149 } catch (const Git::Exception& e) {
150 repositoryError_->setText(e.what());
151 }
152 }
Git::Exception
Exception class.
Definition Git.h:28
SourceView::setIndex
bool setIndex(const WModelIndex &index)
Sets the model index.
Definition SourceView.C:32
Wt::WLineEdit::text
const WString & text() const
Wt::WString::toUTF8
std::string toUTF8() const
Wt::WText::setText
bool setText(const WString &text)

◆ showFile()

void GitViewApplication::showFile ( )
inlineprivate

Displayed the currently selected file.

Definition at line 156 of file GitView.C.

156 {
157 if (gitView_->selectedIndexes().empty())
158 return;
159
160 WModelIndex selected = *gitView_->selectedIndexes().begin();
161 sourceView_->setIndex(selected);
162 }
Wt::WAbstractItemView::selectedIndexes
WModelIndexSet selectedIndexes() const

Member Data Documentation

◆ gitModel_

std::shared_ptr<GitModel> GitViewApplication::gitModel_
private

Definition at line 132 of file GitView.C.

◆ gitView_

WTreeView* GitViewApplication::gitView_
private

Definition at line 133 of file GitView.C.

◆ repositoryEdit_

WLineEdit* GitViewApplication::repositoryEdit_
private

Definition at line 130 of file GitView.C.

◆ repositoryError_

WText* GitViewApplication::repositoryError_
private

Definition at line 131 of file GitView.C.

◆ revisionEdit_

WLineEdit * GitViewApplication::revisionEdit_
private

Definition at line 130 of file GitView.C.

◆ revisionError_

WText * GitViewApplication::revisionError_
private

Definition at line 131 of file GitView.C.

◆ sourceView_

SourceView* GitViewApplication::sourceView_
private

Definition at line 134 of file GitView.C.

The documentation for this class was generated from the following file:
Generated on Wed Jan 28 2026 for the C++ Web Toolkit (Wt) by  doxygen 1.9.8