Wt examples: gitmodel/GitView.C Source File

Wt examples 4.10.4

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GitView.C
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1/*
2 * Copyright (C) 2008 Emweb bv, Herent, Belgium.
3 *
4 * See the LICENSE file for terms of use.
5 */
6
7#include <iostream>
8#include <stdlib.h>
9
10#include <Wt/WApplication.h>
11#include <Wt/WContainerWidget.h>
12#include <Wt/WEnvironment.h>
13#include <Wt/WLineEdit.h>
14#include <Wt/WGridLayout.h>
15#include <Wt/WHBoxLayout.h>
16#include <Wt/WPushButton.h>
17#include <Wt/WTable.h>
18#include <Wt/WText.h>
19#include <Wt/WTreeView.h>
20#include <Wt/WVBoxLayout.h>
21
22
23#include "GitModel.h"
24#include "../wt-homepage/SourceView.h"
25
26using namespace Wt;
27
32
39 class GitViewApplication : public WApplication
40{
41public:
44 GitViewApplication(const WEnvironment& env)
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 }
128
129private:
130 WLineEdit *repositoryEdit_, *revisionEdit_;
131 WText *repositoryError_, *revisionError_;
132 std::shared_ptr<GitModel> gitModel_;
133 WTreeView *gitView_;
134 SourceView *sourceView_;
135
138 void loadGitModel() {
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 }
153
156 void showFile() {
157 if (gitView_->selectedIndexes().empty())
158 return;
159
160 WModelIndex selected = *gitView_->selectedIndexes().begin();
161 sourceView_->setIndex(selected);
162 }
163};
164
165std::unique_ptr<WApplication> createApplication(const WEnvironment& env)
166{
167 return std::make_unique<GitViewApplication>(env);
168}
169
170 int main(int argc, char **argv)
171{
172 return WRun(argc, argv, &createApplication);
173}
174
GitModel.h
main
int main(int argc, char **argv)
Definition GitView.C:170
createApplication
std::unique_ptr< WApplication > createApplication(const WEnvironment &env)
Definition GitView.C:165
SourceView.h
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
A simple application to navigate a git repository.
Definition GitView.C:40
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::GitViewApplication
GitViewApplication(const WEnvironment &env)
Constructor.
Definition GitView.C:44
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
Git::Exception
Exception class.
Definition Git.h:28
SourceView
View class for source code.
Definition SourceView.h:29
SourceView::setIndex
bool setIndex(const WModelIndex &index)
Sets the model index.
Definition SourceView.C:32
Wt
Definition AddresseeEdit.h:16