Wt examples 4.7.2
FileTreeTableNode.C
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1// This may look like C code, but it's really -*- C++ -*-
2/*
3 * Copyright (C) 2008 Emweb bv, Herent, Belgium.
4 *
5 * See the LICENSE file for terms of use.
6 */
7
8#include "FileTreeTableNode.h"
9
10#include <boost/filesystem/operations.hpp>
11#include <boost/filesystem/exception.hpp>
12#include <boost/lexical_cast.hpp>
13#include <iostream>
14
15#include <Wt/WDateTime.h>
16#include <Wt/WIconPair.h>
17#include <Wt/WLocalDateTime.h>
18#include <Wt/WStringUtil.h>
19#include <Wt/WText.h>
20#include <Wt/WAny.h>
21
22FileTreeTableNode::FileTreeTableNode(const boost::filesystem::path& path)
23#if BOOST_FILESYSTEM_VERSION < 3
24 : WTreeTableNode(Wt::widen(path.leaf()), createIcon(path)),
25#else
26 : WTreeTableNode(path.leaf().string(), createIcon(path)),
27#endif
28 path_(path)
29{
30 label()->setTextFormat(TextFormat::Plain);
31
32 if (boost::filesystem::exists(path)) {
33 if (!boost::filesystem::is_directory(path)) {
34 int fsize = (int)boost::filesystem::file_size(path);
35 setColumnWidget(1, std::make_unique<WText>(asString(fsize)));
36 columnWidget(1)->setStyleClass("fsize");
37 } else
38 setSelectable(false);
39
40 std::time_t t = boost::filesystem::last_write_time(path);
41 Wt::WDateTime dateTime = Wt::WDateTime::fromTime_t(t);
42 Wt::WString dateTimeStr = dateTime.toString(Wt::utf8("MMM dd yyyy"));
43
44 setColumnWidget(2, std::make_unique<WText>(dateTimeStr));
45 columnWidget(2)->setStyleClass("date");
46 }
47}
48
49std::unique_ptr<WIconPair> FileTreeTableNode::createIcon(const boost::filesystem::path& path)
50{
51 if (boost::filesystem::exists(path)
52 && boost::filesystem::is_directory(path))
53 return std::make_unique<WIconPair>("icons/yellow-folder-closed.png",
54 "icons/yellow-folder-open.png", false);
55 else
56 return std::make_unique<WIconPair>("icons/document.png",
57 "icons/yellow-folder-open.png", false);
58}
59
61{
62 if (boost::filesystem::is_directory(path_)) {
63 std::set<boost::filesystem::path> paths;
64 boost::filesystem::directory_iterator end_itr;
65
66 for (boost::filesystem::directory_iterator i(path_); i != end_itr; ++i)
67 try {
68 paths.insert(*i);
69 } catch (boost::filesystem::filesystem_error& e) {
70 std::cerr << e.what() << std::endl;
71 }
72
73 for (std::set<boost::filesystem::path>::iterator i = paths.begin();
74 i != paths.end(); ++i)
75 try {
76 addChildNode(std::make_unique<FileTreeTableNode>(*i));
77 } catch (boost::filesystem::filesystem_error& e) {
78 std::cerr << e.what() << std::endl;
79 }
80 }
81}
82
84{
85 if (!populated()) {
86 return boost::filesystem::is_directory(path_);
87 } else
88 return WTreeTableNode::expandable();
89}
boost::filesystem::path path_
The path.
static std::unique_ptr< WIconPair > createIcon(const boost::filesystem::path &path)
Create the iconpair for representing the path.
virtual bool expandable() override
Reimplements WTreeNode::expandable.
FileTreeTableNode(const boost::filesystem::path &path)
Construct a new node for the given file.
virtual void populate() override
Reimplements WTreeNode::populate to read files within a directory.

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