Wt examples 4.6.1
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:
Inheritance graph
[legend]

Public Member Functions

 GitViewApplication (const WEnvironment &env)
 Constructor. More...
 

Private Member Functions

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

Private Attributes

WLineEdit * repositoryEdit_
 
WLineEdit * revisionEdit_
 
WText * repositoryError_
 
WText * revisionError_
 
std::shared_ptr< GitModelgitModel_
 
WTreeView * gitView_
 
SourceViewsourceView_
 

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
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,
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 }
static const ItemDataRole ContentsRole
The role which may be used on a file to retrieve its contents.
Definition: GitModel.h:43
static const ItemDataRole FilePathRole
Definition: GitModel.h:44
void loadGitModel()
Change repository and/or revision.
Definition: GitView.C:138
WText * repositoryError_
Definition: GitView.C:131
WLineEdit * repositoryEdit_
Definition: GitView.C:130
WText * revisionError_
Definition: GitView.C:131
SourceView * sourceView_
Definition: GitView.C:134
std::shared_ptr< GitModel > gitModel_
Definition: GitView.C:132
WLineEdit * revisionEdit_
Definition: GitView.C:130
WTreeView * gitView_
Definition: GitView.C:133
void showFile()
Displayed the currently selected file.
Definition: GitView.C:156

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 }
Exception class.
Definition: Git.h:28
bool setIndex(const WModelIndex &index)
Sets the model index.
Definition: SourceView.C:32

◆ 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 }

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:

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