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annotate libgui/src/documentation-bookmarks.cc @ 29359:7854d5752dd2

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maint: merge stable to default.
author John W. Eaton <jwe@octave.org>
date Wed, 10 Feb 2021 10:10:40 -0500
parents b92614cfdfed
children 3d34b70b5a49
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1 ////////////////////////////////////////////////////////////////////////
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2 //
29359
7854d5752dd2 maint: merge stable to default.
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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, SIGNAL (customContextMenuRequested (const QPoint &)),
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79 this, SLOT (ctx_menu (const QPoint &)));
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80 connect (m_tree, SIGNAL (itemDoubleClicked (QTreeWidgetItem*, int)),
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81 this, SLOT (handle_double_click (QTreeWidgetItem*, int)));
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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, SIGNAL (editTextChanged (const QString &)),
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126 this, SLOT (filter_bookmarks (const QString &)));
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127 connect (m_filter->lineEdit (), SIGNAL (editingFinished (void)),
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128 this, SLOT (update_filter_history (void)));
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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, SIGNAL (toggled (bool)),
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136 this, SLOT (filter_activate (bool)));
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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 documentation_bookmarks::~documentation_bookmarks (void)
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157 { }
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158
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159 // Slot for adding the current page as a bookmark
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160 void documentation_bookmarks::add_bookmark (void)
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161 {
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162 QUrl url = m_browser->historyUrl (0);
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163
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164 // Check if bookmark already exists and select if yes
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165 QTreeWidgetItemIterator it (m_tree);
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166 while (*it)
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167 {
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168 QUrl url_i = (*it)->data (0, url_role).toUrl ();
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169 if (url == url_i)
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170 {
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171 m_tree->setCurrentItem (*it);
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172 (*it)->setExpanded (true);
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173 return;
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174 }
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175 it++;
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176 }
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177
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178 // Add the anchor name to the title of the page and add the bookmark
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179 // as top-level-item
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180 QString title = m_doc->title_and_anchor (m_browser->historyTitle (0), url);
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181 add_bookmark (title, url.toString ());
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182 }
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183
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184 // Function for actually adding a bookmark to the tree
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185 void documentation_bookmarks::add_bookmark (const QString& title,
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186 const QString& url,
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187 QTreeWidgetItem* item)
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188 {
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189 // Create new bookmark
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190 QTreeWidgetItem *new_item = new QTreeWidgetItem (QStringList (title));
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191 new_item->setData (0, tag_role, QVariant (bookmark_tag));
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192 new_item->setData (0, url_role, QVariant (url));
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193 new_item->setFlags ((new_item->flags () & (~Qt::ItemIsDropEnabled))
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194 | Qt::ItemIsEditable
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195 | Qt::ItemIsDragEnabled);
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196 new_item->setIcon (0, icon_bookmark);
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197
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198 // Insert as top level or child item
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199 // TODO: Open dialog allowing to select a target folder if this
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200 // bookmark is added manually and not by reading a bookmark file
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201 if (item)
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202 item->addChild (new_item);
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203 else
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204 m_tree->addTopLevelItem (new_item);
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205 }
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206
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207 // Slot for adding a folder from the context menu
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208 void documentation_bookmarks::add_folder (bool)
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209 {
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210 QTreeWidgetItem *parent_item = nullptr;
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211
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212 if (m_ctx_menu_item)
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213 {
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214 if (m_ctx_menu_item->data (0, tag_role).toInt () == folder_tag)
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215 parent_item = m_ctx_menu_item;
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216 else
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217 {
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218 QTreeWidgetItem *p = m_ctx_menu_item->parent ();
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219 if (p)
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220 parent_item = p;
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221 }
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222 }
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223
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224 QTreeWidgetItem *new_folder = add_folder (tr ("New Folder"), parent_item);
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225
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226 m_tree->setCurrentItem (new_folder);
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227 m_tree->editItem (new_folder);
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228 }
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229
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230 // Function for actually adding a folder to the tree
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231 QTreeWidgetItem* documentation_bookmarks::add_folder (const QString& folder,
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232 QTreeWidgetItem *item, bool expanded)
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233 {
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234 QTreeWidgetItem *new_folder = new QTreeWidgetItem (QStringList (folder));
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235 new_folder->setData (0, tag_role, QVariant (folder_tag));
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236 new_folder->setFlags (new_folder->flags() | Qt::ItemIsEditable
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237 | Qt::ItemIsDragEnabled
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238 | Qt::ItemIsDropEnabled);
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239 new_folder->setChildIndicatorPolicy (QTreeWidgetItem::DontShowIndicatorWhenChildless);
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240 new_folder->setIcon (0, icon_folder);
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241 new_folder->setExpanded (expanded);
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242
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243 // Insert as top level or child item
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244 if (item)
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245 item->addChild (new_folder);
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246 else
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247 m_tree->addTopLevelItem (new_folder);
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248
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249 return new_folder;
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250 }
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251
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252 void documentation_bookmarks::filter_bookmarks (const QString& pattern)
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253 {
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254 QTreeWidgetItemIterator it (m_tree);
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255
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256 while (*it)
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257 {
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258 if ((*it)->text (0).contains (pattern, Qt::CaseInsensitive))
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259 {
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260 (*it)->setHidden (false);
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261 (*it)->setExpanded (true);
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262 QTreeWidgetItem *p = (*it)->parent ();
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263 while (p)
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264 {
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265 p->setHidden (false);
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266 p->setExpanded (true);
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267 p = p->parent ();
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268 }
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269 }
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270 else
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271 (*it)->setHidden (true);
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272
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273 it++;
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274 }
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275 }
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276
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277 void documentation_bookmarks::filter_activate (bool state)
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278 {
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279 m_filter->setEnabled (state);
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280
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281 QString pattern;
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282 if (state)
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283 pattern = m_filter->currentText ();
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284
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285 filter_bookmarks (pattern);
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286 }
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287
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288 void documentation_bookmarks::update_filter_history (void)
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289 {
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290 QString text = m_filter->currentText (); // get current text
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291 int index = m_filter->findText (text); // and its actual index
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292
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293 if (index > -1)
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294 m_filter->removeItem (index); // remove if already existing
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295
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296 m_filter->insertItem (0, text); // (re)insert at beginning
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297 m_filter->setCurrentIndex (0);
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298 }
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299
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300 void documentation_bookmarks::handle_double_click (QTreeWidgetItem *item, int)
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301 {
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302 int tag = item->data (0, tag_role).toInt ();
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303
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304 if (tag == folder_tag)
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305 {
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306 item->setExpanded (! item->isExpanded ());
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307 return;
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308 }
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309
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310 if (tag == bookmark_tag)
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311 {
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312 QUrl url = item->data (0, url_role).toUrl ();
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313 if (! url.isEmpty ())
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314 m_browser->setSource (url);
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315 return;
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316 }
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317 }
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318
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319 void documentation_bookmarks::ctx_menu (const QPoint& xpos)
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320 {
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321 QMenu menu (this);
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322
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323 m_ctx_menu_item = m_tree->itemAt (xpos);
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324
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325 if (m_ctx_menu_item)
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326 {
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327 resource_manager& rmgr = m_octave_qobj.get_resource_manager ();
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328
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329 menu.addAction (tr ("&Open"), this, SLOT (open (bool)));
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330 menu.addAction (tr ("&Rename"), this, SLOT (edit (bool)));
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331 menu.addAction (rmgr.icon ("window-close"), tr ("Remo&ve"), this,
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332 SLOT (remove (bool)));
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333 menu.addSeparator ();
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334 }
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335
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336 menu.addAction (tr ("&Add Folder"), this, SLOT (add_folder (bool)));
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337
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338 menu.addSeparator ();
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339
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340 if (m_filter_shown)
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341 menu.addAction (tr ("Hide &Filter"), this, SLOT (show_filter (bool)));
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342 else
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343 menu.addAction (tr ("Show &Filter"), this, SLOT (show_filter (bool)));
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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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diff changeset
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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diff changeset
368 for (auto it = items.begin () ; it != items.end (); it++)
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369 {
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diff changeset
370 if (*it)
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371 m_tree->takeTopLevelItem (
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diff changeset
372 m_tree->indexOfTopLevelItem (*it));
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373 }
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parents:
diff changeset
374 }
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diff changeset
375
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diff changeset
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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diff changeset
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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diff changeset
390
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diff changeset
391 settings->setValue (dc_bookmark_filter_active.key, m_filter_checkbox->isChecked ());
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diff changeset
392 settings->setValue (dc_bookmark_filter_shown.key, m_filter_shown);
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parents:
diff changeset
393
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diff changeset
394 QStringList mru;
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diff changeset
395 for (int i = 0; i < m_filter->count (); i++)
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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);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
Torsten Lilge <ttl-octave@mailbox.org>
parents:
diff changeset
526 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
527 read_next_item (xml_reader, bookmark_tag, new_folder);
b92614cfdfed add bookmark functionality to the documentation browser (bug #54938)
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528 else
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529 xml_reader->skipCurrentElement ();
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530 }
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531 }
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532 else if (tag == bookmark_tag)
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533 {
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534 // Next item is a bookmark, without children
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535 QString url = xml_reader->attributes().value (dc_xbel_attr_href).toString ();
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536 while (xml_reader->readNextStartElement ())
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537 {
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538 if (xml_reader->name() == dc_xbel_name_title)
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539 title = xml_reader->readElementText();
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540 else
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541 xml_reader->skipCurrentElement ();
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542 }
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Torsten Lilge <ttl-octave@mailbox.org>
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543 add_bookmark (title, url, item);
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544 }
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545 }
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Torsten Lilge <ttl-octave@mailbox.org>
parents:
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546
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547 }