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annotate libgui/src/documentation-bookmarks.cc @ 29550:8dd0fca2a3d9

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where possible, use default destructors in GUI classes In most cases, don't explicitly delete objects that have parents in the QObject class hierarchy as they will be deleted automatically when the parent object is deleted. Explicitly declare more destructors as "default". Files affected: dialog.cc, dialog.h, documentation-bookmarks.cc, documentation-bookmarks.h, documentation-dock-widget.cc, documentation-dock-widget.h, documentation.cc, documentation.h, m-editor/file-editor.cc, m-editor/file-editor.h, main-window.cc, main-window.h, set-path-dialog.cc, set-path-dialog.h, tab-bar.cc, tab-bar.h, terminal-dock-widget.cc, and terminal-dock-widget.h.
author John W. Eaton <jwe@octave.org>
date Thu, 22 Apr 2021 12:52:14 -0400
parents 3d34b70b5a49
children 5b7e721844df
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2018-2021 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include <QCompleter>
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31 #include <QMenu>
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32 #include <QShortcut>
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33 #include <QVBoxLayout>
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34 #include <QWidget>
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35
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36 #include "documentation.h"
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37 #include "documentation-bookmarks.h"
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38
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39 #include "gui-settings.h"
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40 #include "gui-preferences-global.h"
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41 #include "gui-preferences-dc.h"
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42 #include "gui-preferences-sc.h"
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43 #include "shortcut-manager.h"
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44
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45 #include "defaults.h"
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46 #include "file-ops.h"
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47 #include "oct-env.h"
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48
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49 namespace octave
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50 {
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51 documentation_bookmarks::documentation_bookmarks (
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52 documentation *doc, documentation_browser *browser,
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53 base_qobject& oct_qobj, QWidget *p)
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54 : QWidget (p),
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55 m_doc (doc), m_browser (browser), m_octave_qobj (oct_qobj),
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56 m_ctx_menu_item (nullptr)
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57 {
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58 setObjectName ("documentation_tab_bookmarks");
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59
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60 resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
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61 gui_settings *settings = rmgr.get_settings ();
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62
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63 // Setup the tree view with the bookmarks
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64 m_tree = new QTreeWidget (p);
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65
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66 m_tree->setContextMenuPolicy (Qt::CustomContextMenu);
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67 m_tree->setSelectionMode (QAbstractItemView::ExtendedSelection);
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68 m_tree->setSortingEnabled (false);
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69 m_tree->setDragEnabled(true);
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70 m_tree->viewport()->setAcceptDrops(true);
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71 m_tree->setDropIndicatorShown(true);
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72 m_tree->setDragDropMode(QAbstractItemView::InternalMove);
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73 m_tree->setColumnCount (1);
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74 m_tree->setHeaderHidden (true);
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75 m_tree->setEditTriggers (QAbstractItemView::EditKeyPressed
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76 | QAbstractItemView::SelectedClicked);
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77
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78 connect (m_tree, &QTreeWidget::customContextMenuRequested,
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79 this, &documentation_bookmarks::ctx_menu);
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80 connect (m_tree, &QTreeWidget::itemDoubleClicked,
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81 this, &documentation_bookmarks::handle_double_click);
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82
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83 // Define the icons for the tree view
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84 icon_folder.addPixmap (style ()->standardPixmap(QStyle::SP_DirClosedIcon),
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85 QIcon::Normal, QIcon::Off);
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86 icon_folder.addPixmap (style ()->standardPixmap(QStyle::SP_DirOpenIcon),
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87 QIcon::Normal, QIcon::On);
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88 icon_bookmark.addPixmap (style ()->standardPixmap(QStyle::SP_FileIcon));
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89
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90 // Setup and read the bookmarkfile
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91 QFileInfo f (settings->fileName ());
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92 QString f_path = f.absolutePath ();
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93 f.setFile (QDir (f_path), dc_bookmark_file);
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94 m_xbel_file.setFileName (f.absoluteFilePath ());
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95
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96 if (m_xbel_file.exists ())
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97 {
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98 QString err = read_bookmarks ();
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99 if ( !err.isEmpty ())
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100 {
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101 err.append (tr ("\nNo documentation bookmarks loaded!"));
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102 QMessageBox::warning (this,
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103 tr ("Octave: Loading Documentation Bookmarks"),
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104 err);
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105 m_xbel_file.close ();
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106 }
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107 }
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108
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109 // Setup the filter widget
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110 m_filter_widget = new QWidget (p);
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111 m_filter = new QComboBox (m_filter_widget);
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112
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113 m_filter->setToolTip (tr ("Enter text to search the bookmarks"));
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114 m_filter->setEditable (true);
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115 m_filter->setInsertPolicy (QComboBox::NoInsert);
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116 m_filter->setMaxCount (10);
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117 m_filter->setMaxVisibleItems (10);
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118 m_filter->setSizeAdjustPolicy (QComboBox::AdjustToMinimumContentsLengthWithIcon);
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119 QSizePolicy size_pol (QSizePolicy::Expanding, QSizePolicy::Preferred);
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120 m_filter->setSizePolicy (size_pol);
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121 m_filter->completer ()->setCaseSensitivity (Qt::CaseSensitive);
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122
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123 m_filter->addItems (settings->value (dc_bookmark_filter_mru).toStringList ());
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124
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125 connect (m_filter, &QComboBox::editTextChanged,
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126 this, &documentation_bookmarks::filter_bookmarks);
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127 connect (m_filter->lineEdit (), &QLineEdit::editingFinished,
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128 this, &documentation_bookmarks::update_filter_history);
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129
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130 m_filter_checkbox = new QCheckBox (m_filter_widget);
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131 bool filter_state = settings->value (dc_bookmark_filter_active).toBool ();
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132 m_filter_checkbox->setChecked (filter_state);
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133 filter_activate (filter_state);
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134
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135 connect (m_filter_checkbox, &QCheckBox::toggled,
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136 this, &documentation_bookmarks::filter_activate);
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137
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138 QLabel *filter_label = new QLabel (tr ("Filter"), m_filter_widget);
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139 QHBoxLayout *h_box_bm = new QHBoxLayout (m_filter_widget);
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140 h_box_bm->addWidget (filter_label);
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141 h_box_bm->addWidget (m_filter_checkbox);
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142 h_box_bm->addWidget (m_filter);
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143 h_box_bm->setMargin (2);
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144 m_filter_widget->setLayout (h_box_bm);
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145
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146 m_filter_shown = settings->value (dc_bookmark_filter_shown).toBool ();
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147 m_filter_widget->setVisible (m_filter_shown);
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148
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149 // Resulting Layout of this widget
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150 QVBoxLayout *v_box_bm = new QVBoxLayout (this);
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151 v_box_bm->addWidget (m_filter_widget);
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152 v_box_bm->addWidget (m_tree);
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153 setLayout (v_box_bm);
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154 }
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155
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156 // Slot for adding the current page as a bookmark
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157 void documentation_bookmarks::add_bookmark (void)
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158 {
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159 QUrl url = m_browser->historyUrl (0);
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160
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161 // Check if bookmark already exists and select if yes
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162 QTreeWidgetItemIterator it (m_tree);
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163 while (*it)
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164 {
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165 QUrl url_i = (*it)->data (0, url_role).toUrl ();
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166 if (url == url_i)
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167 {
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168 m_tree->setCurrentItem (*it);
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169 (*it)->setExpanded (true);
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170 return;
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171 }
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172 it++;
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173 }
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174
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175 // Add the anchor name to the title of the page and add the bookmark
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176 // as top-level-item
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177 QString title = m_doc->title_and_anchor (m_browser->historyTitle (0), url);
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178 add_bookmark (title, url.toString ());
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179 }
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180
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181 // Function for actually adding a bookmark to the tree
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182 void documentation_bookmarks::add_bookmark (const QString& title,
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183 const QString& url,
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184 QTreeWidgetItem* item)
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185 {
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186 // Create new bookmark
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187 QTreeWidgetItem *new_item = new QTreeWidgetItem (QStringList (title));
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188 new_item->setData (0, tag_role, QVariant (bookmark_tag));
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189 new_item->setData (0, url_role, QVariant (url));
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190 new_item->setFlags ((new_item->flags () & (~Qt::ItemIsDropEnabled))
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191 | Qt::ItemIsEditable
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192 | Qt::ItemIsDragEnabled);
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193 new_item->setIcon (0, icon_bookmark);
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194
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195 // Insert as top level or child item
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196 // TODO: Open dialog allowing to select a target folder if this
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197 // bookmark is added manually and not by reading a bookmark file
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198 if (item)
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199 item->addChild (new_item);
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200 else
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201 m_tree->addTopLevelItem (new_item);
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202 }
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203
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204 // Slot for adding a folder from the context menu
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205 void documentation_bookmarks::add_folder (bool)
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206 {
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207 QTreeWidgetItem *parent_item = nullptr;
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208
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209 if (m_ctx_menu_item)
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210 {
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211 if (m_ctx_menu_item->data (0, tag_role).toInt () == folder_tag)
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212 parent_item = m_ctx_menu_item;
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213 else
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214 {
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215 QTreeWidgetItem *p = m_ctx_menu_item->parent ();
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216 if (p)
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217 parent_item = p;
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218 }
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219 }
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220
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221 QTreeWidgetItem *new_folder = add_folder (tr ("New Folder"), parent_item);
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222
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223 m_tree->setCurrentItem (new_folder);
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224 m_tree->editItem (new_folder);
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225 }
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226
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227 // Function for actually adding a folder to the tree
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228 QTreeWidgetItem* documentation_bookmarks::add_folder (const QString& folder,
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229 QTreeWidgetItem *item, bool expanded)
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230 {
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231 QTreeWidgetItem *new_folder = new QTreeWidgetItem (QStringList (folder));
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232 new_folder->setData (0, tag_role, QVariant (folder_tag));
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233 new_folder->setFlags (new_folder->flags() | Qt::ItemIsEditable
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234 | Qt::ItemIsDragEnabled
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235 | Qt::ItemIsDropEnabled);
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236 new_folder->setChildIndicatorPolicy (QTreeWidgetItem::DontShowIndicatorWhenChildless);
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237 new_folder->setIcon (0, icon_folder);
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238 new_folder->setExpanded (expanded);
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239
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240 // Insert as top level or child item
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241 if (item)
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242 item->addChild (new_folder);
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243 else
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244 m_tree->addTopLevelItem (new_folder);
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245
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246 return new_folder;
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247 }
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248
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249 void documentation_bookmarks::filter_bookmarks (const QString& pattern)
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250 {
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251 QTreeWidgetItemIterator it (m_tree);
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252
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253 while (*it)
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254 {
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255 if ((*it)->text (0).contains (pattern, Qt::CaseInsensitive))
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256 {
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257 (*it)->setHidden (false);
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258 (*it)->setExpanded (true);
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259 QTreeWidgetItem *p = (*it)->parent ();
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260 while (p)
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261 {
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262 p->setHidden (false);
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263 p->setExpanded (true);
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264 p = p->parent ();
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265 }
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266 }
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267 else
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268 (*it)->setHidden (true);
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269
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270 it++;
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271 }
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272 }
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273
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274 void documentation_bookmarks::filter_activate (bool state)
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275 {
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276 m_filter->setEnabled (state);
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277
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278 QString pattern;
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279 if (state)
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280 pattern = m_filter->currentText ();
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281
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282 filter_bookmarks (pattern);
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283 }
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284
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285 void documentation_bookmarks::update_filter_history (void)
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286 {
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287 QString text = m_filter->currentText (); // get current text
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288 int index = m_filter->findText (text); // and its actual index
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289
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290 if (index > -1)
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291 m_filter->removeItem (index); // remove if already existing
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292
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293 m_filter->insertItem (0, text); // (re)insert at beginning
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294 m_filter->setCurrentIndex (0);
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295 }
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296
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297 void documentation_bookmarks::handle_double_click (QTreeWidgetItem *item, int)
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298 {
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299 int tag = item->data (0, tag_role).toInt ();
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300
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301 if (tag == folder_tag)
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302 {
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303 item->setExpanded (! item->isExpanded ());
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304 return;
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305 }
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306
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307 if (tag == bookmark_tag)
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308 {
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309 QUrl url = item->data (0, url_role).toUrl ();
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310 if (! url.isEmpty ())
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311 m_browser->setSource (url);
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312 return;
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313 }
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314 }
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315
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316 void documentation_bookmarks::ctx_menu (const QPoint& xpos)
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317 {
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318 QMenu menu (this);
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319
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320 m_ctx_menu_item = m_tree->itemAt (xpos);
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321
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322 if (m_ctx_menu_item)
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323 {
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324 resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
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325
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326 menu.addAction (tr ("&Open"), this, &documentation_bookmarks::open);
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327 menu.addAction (tr ("&Rename"), this, &documentation_bookmarks::edit);
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328 menu.addAction (rmgr.icon ("window-close"), tr ("Remo&ve"),
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329 this, &documentation_bookmarks::remove);
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330 menu.addSeparator ();
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331 }
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332
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333 menu.addAction (tr ("&Add Folder"), this,
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334 QOverload<bool>::of (&documentation_bookmarks::add_folder));
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335
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336 menu.addSeparator ();
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337
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338 if (m_filter_shown)
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339 menu.addAction (tr ("Hide &Filter"),
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340 this, &documentation_bookmarks::show_filter);
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341 else
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342 menu.addAction (tr ("Show &Filter"),
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343 this, &documentation_bookmarks::show_filter);
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344
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345 menu.exec (m_tree->mapToGlobal (xpos));
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346 }
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347
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348 void documentation_bookmarks::open (bool)
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349 {
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350 QList<QTreeWidgetItem *> items = m_tree->selectedItems ();
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351
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352 if (items.size () > 0)
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353 handle_double_click (items.at (0));
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354 }
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355
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356 void documentation_bookmarks::edit (bool)
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357 {
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358 QList<QTreeWidgetItem *> items = m_tree->selectedItems ();
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359
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360 if (items.size () > 0)
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361 m_tree->editItem (items.at (0));
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362 }
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363
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364 void documentation_bookmarks::remove (bool)
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365 {
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366 QList<QTreeWidgetItem *> items = m_tree->selectedItems ();
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367
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368 for (auto it = items.begin () ; it != items.end (); it++)
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369 {
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370 if (*it)
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371 m_tree->takeTopLevelItem (
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372 m_tree->indexOfTopLevelItem (*it));
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373 }
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374 }
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375
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376 void documentation_bookmarks::show_filter (bool)
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377 {
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378 m_filter_shown = ! m_filter_shown;
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379 m_filter_widget->setVisible (m_filter_shown);
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380 }
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381
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382 void documentation_bookmarks::save_settings (void)
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383 {
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384 // Write the bookmarks to the xbel-file
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385 write_bookmarks ();
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386
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387 // Store settings
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388 resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
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389 gui_settings *settings = rmgr.get_settings ();
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390
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391 settings->setValue (dc_bookmark_filter_active.key, m_filter_checkbox->isChecked ());
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392 settings->setValue (dc_bookmark_filter_shown.key, m_filter_shown);
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393
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
394 QStringList mru;
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
395 for (int i = 0; i < m_filter->count (); i++)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
396 mru.append (m_filter->itemText (i));
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
397 settings->setValue (dc_bookmark_filter_mru.key, mru);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
398
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
399 settings->sync ();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
400 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
401
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
402 void documentation_bookmarks::write_bookmarks (void)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
403 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
404 if (! m_xbel_file.open (QFile::WriteOnly | QFile::Text))
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
405 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
406 QMessageBox::warning (this, tr("Octave: Saving Documentation Bookmarks"),
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
407 tr("Unable to write file %1:\n%2.\n\n"
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
408 "Documentation bookmarks are not saved!\n")
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
409 .arg (m_xbel_file.fileName ())
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
410 .arg (m_xbel_file.errorString()));
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
411 return;
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
412 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
413
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
414 QXmlStreamWriter xml_writer (&m_xbel_file);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
415 xml_writer.setAutoFormatting (true);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
416
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
417 xml_writer.writeStartDocument ();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
418 xml_writer.writeDTD (dc_xbel_doctype);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
419 xml_writer.writeStartElement (dc_xbel_name_format);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
420 xml_writer.writeAttribute (dc_xbel_attr_version, dc_xbel_value_version);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
421
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
422 for (int i = 0; i < m_tree->topLevelItemCount(); i++)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
423 write_tree_item (&xml_writer, m_tree->topLevelItem (i));
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
424
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
425 xml_writer.writeEndDocument();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
426
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
427 m_xbel_file.flush ();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
428 m_xbel_file.close ();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
429 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
430
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
431 void documentation_bookmarks::write_tree_item (QXmlStreamWriter* xml_writer,
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
432 const QTreeWidgetItem *item)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
433 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
434 switch (item->data (0, tag_role).toInt ())
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
435 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
436 case folder_tag:
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
437 xml_writer->writeStartElement (dc_xbel_name_folder);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
438 xml_writer->writeAttribute (dc_xbel_attr_folded,
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
439 item->isExpanded () ? dc_xbel_value_no : dc_xbel_value_yes);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
440 xml_writer->writeTextElement (dc_xbel_name_title, item->text(0));
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
441 for (int i = 0; i < item->childCount (); i++)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
442 write_tree_item (xml_writer, item->child (i));
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
443 xml_writer->writeEndElement ();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
444 break;
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
445
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
446 case bookmark_tag:
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
447 xml_writer->writeStartElement (dc_xbel_name_bookmark);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
448 xml_writer->writeAttribute (dc_xbel_attr_href, item->data (0, url_role).toString ());
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
449 xml_writer->writeTextElement (dc_xbel_name_title, item->text (0));
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
450 xml_writer->writeEndElement ();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
451 break;
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
452 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
453 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
454
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
455 QString documentation_bookmarks::read_bookmarks (void)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
456 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
457 QString error_message;
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
458
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
459 // Check the file
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
460 if (! m_xbel_file.open (QFile::ReadOnly | QFile::Text))
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
461 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
462 error_message = tr ("Unable to read file %1:\n%2.")
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
463 .arg (m_xbel_file.fileName ())
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
464 .arg (m_xbel_file.errorString());
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
465 return error_message;
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
466 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
467
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
468 QXmlStreamReader xml_reader (&m_xbel_file);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
469
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
470 if (! xml_reader.readNextStartElement ())
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
471 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
472 error_message = tr ("No start element found in %1.\n"
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
473 "Invalid bookmark file?")
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
474 .arg (m_xbel_file.fileName ());
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
475 return error_message;
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
476 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
477
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
478 if (xml_reader.name() != dc_xbel_name_format
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
479 || xml_reader.attributes ().value (dc_xbel_attr_version) != dc_xbel_value_version)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
480 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
481 error_message = tr ("The file\n"
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
482 "%1\n"
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
483 "is not a valid XBEL file verison 1.0.")
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
484 .arg (m_xbel_file.fileName ());
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
485 return error_message;
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
486 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
487
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
488 // Read the elements from the file
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
489 while (xml_reader.readNextStartElement ())
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
490 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
491 if (xml_reader.name () == dc_xbel_name_folder)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
492 read_next_item (&xml_reader, folder_tag);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
493 else if (xml_reader.name () == dc_xbel_name_bookmark)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
494 read_next_item (&xml_reader, bookmark_tag);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
495 else
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
496 xml_reader.skipCurrentElement ();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
497 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
498
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
499 m_xbel_file.close ();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
500
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
501 return error_message;
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
502 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
503
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
504 void documentation_bookmarks::read_next_item (QXmlStreamReader *xml_reader,
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
505 item_tag tag, QTreeWidgetItem *item)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
506 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
507 QString title (tr ("Unknown title"));
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
508 if (tag == folder_tag)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
509 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
510 // Next item is a folder, which might also have children
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
511 bool expanded = (xml_reader->attributes().value (dc_xbel_attr_folded) == dc_xbel_value_no);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
512
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
513 QTreeWidgetItem *new_folder = add_folder (title, item, expanded);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
514
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
515 // Check elements of this folder for title and for recursively
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
516 // adding sub-items
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
517 while (xml_reader->readNextStartElement ())
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
518 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
519 if (xml_reader->name () == dc_xbel_name_title)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
520 {
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
521 title = xml_reader->readElementText();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
522 new_folder->setText (0, title);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
523 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
524 else if (xml_reader->name () == dc_xbel_name_folder)
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
525 read_next_item (xml_reader, folder_tag, new_folder);
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526 else if (xml_reader->name () == dc_xbel_name_bookmark)
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527 read_next_item (xml_reader, bookmark_tag, new_folder);
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528 else
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529 xml_reader->skipCurrentElement ();
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530 }
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parents:
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531 }
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Torsten Lilge <ttl-octave@mailbox.org>
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532 else if (tag == bookmark_tag)
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parents:
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533 {
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534 // Next item is a bookmark, without children
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parents:
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535 QString url = xml_reader->attributes().value (dc_xbel_attr_href).toString ();
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Torsten Lilge <ttl-octave@mailbox.org>
parents:
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536 while (xml_reader->readNextStartElement ())
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parents:
diff changeset
537 {
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Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
538 if (xml_reader->name() == dc_xbel_name_title)
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Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
539 title = xml_reader->readElementText();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
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540 else
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Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
541 xml_reader->skipCurrentElement ();
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
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542 }
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Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
543 add_bookmark (title, url, item);
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Torsten Lilge <ttl-octave@mailbox.org>
parents:
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544 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
545 }
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
546
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
547 }