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annotate gui/src/WorkspaceModel.cpp @ 14673:adad007cd018 gui

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Fixed bug with querying wrong matrix dimensions (bug #36421). * OctaveLink.cpp (octaveValuesAsQString): Now querying for octaveValue.rows() and columns() instead using the matrix_values() dimensions.
author Jacob Dawid <jacob.dawid@googlemail.com>
date Tue, 22 May 2012 23:34:40 +0200
parents f346343654a4
children 79c9a6d06590
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1 /* OctaveGUI - A graphical user interface for Octave
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2 * Copyright (C) 2011 Jacob Dawid (jacob.dawid@googlemail.com)
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3 *
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4 * This program is free software: you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as
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6 * published by the Free Software Foundation, either version 3 of the
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7 * License, or (at your option) any later version.
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8 *
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9 * This program is distributed in the hope that it will be useful,
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 * GNU General Public License for more details.
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13 *
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14 * You should have received a copy of the GNU General Public License
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15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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16 */
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17
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18 #include "WorkspaceModel.h"
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19 #include <QTreeWidget>
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7605e7136b50 Discarded initFileEditor, instead put that in the constructor. Speedup for updating the symbol table by lowering complexity from n² to n. Fixed problem with hangup on quit.
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20 #include <QTime>
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21
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22 WorkspaceModel::WorkspaceModel(QObject *parent)
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23 : QAbstractItemModel(parent)
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24 {
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25 QList<QVariant> rootData;
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26 rootData << tr ("Name") << tr ("Type") << tr ("Value");
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27 _rootItem = new TreeItem(rootData);
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f346343654a4 Settings readline event hook and fixed race condition.
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28 _cachedSymbolTableSemaphore = new QSemaphore (1);
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29 }
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30
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31 WorkspaceModel::~WorkspaceModel()
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32 {
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33 delete _rootItem;
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34 }
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35
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36 QModelIndex
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37 WorkspaceModel::index(int row, int column, const QModelIndex &parent) const
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38 {
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39 if (!hasIndex(row, column, parent))
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40 return QModelIndex();
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41
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42 TreeItem *parentItem;
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43
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44 if (!parent.isValid())
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45 parentItem = _rootItem;
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46 else
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47 parentItem = static_cast<TreeItem*>(parent.internalPointer());
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48
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49 TreeItem *childItem = parentItem->child(row);
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50 if (childItem)
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51 return createIndex(row, column, childItem);
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52 else
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53 return QModelIndex();
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54 }
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55
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56 QModelIndex
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57 WorkspaceModel::parent(const QModelIndex &index) const
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58 {
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59 if (!index.isValid())
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60 return QModelIndex();
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61
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62 TreeItem *childItem = static_cast<TreeItem*>(index.internalPointer());
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63 TreeItem *parentItem = childItem->parent();
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64
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65 if (parentItem == _rootItem)
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66 return QModelIndex();
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67
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68 return createIndex(parentItem->row(), 0, parentItem);
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69 }
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70
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71 int
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72 WorkspaceModel::rowCount(const QModelIndex &parent) const
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73 {
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74 TreeItem *parentItem;
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75 if (parent.column() > 0)
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76 return 0;
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77
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78 if (!parent.isValid())
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79 parentItem = _rootItem;
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80 else
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81 parentItem = static_cast<TreeItem*>(parent.internalPointer());
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82
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83 return parentItem->childCount();
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84 }
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85
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86 int
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87 WorkspaceModel::columnCount(const QModelIndex &parent) const
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88 {
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89 if (parent.isValid())
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90 return static_cast<TreeItem*>(parent.internalPointer())->columnCount();
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91 else
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92 return _rootItem->columnCount();
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93 }
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94
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95 void
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96 WorkspaceModel::insertTopLevelItem(int at, TreeItem *treeItem)
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97 {
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98 _rootItem->insertChildItem(at, treeItem);
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99 }
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100
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101 TreeItem *
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102 WorkspaceModel::topLevelItem (int at)
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103 {
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104 return _rootItem->child(at);
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105 }
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106
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107 Qt::ItemFlags
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108 WorkspaceModel::flags(const QModelIndex &index) const
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109 {
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110 if (!index.isValid())
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111 return 0;
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112
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113 return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
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114 }
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115
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116 QVariant
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117 WorkspaceModel::headerData(int section, Qt::Orientation orientation, int role) const
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118 {
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119 if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
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120 return _rootItem->data(section);
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121
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122 return QVariant();
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123 }
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diff changeset
124
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125 QVariant
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126 WorkspaceModel::data(const QModelIndex &index, int role) const
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127 {
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128 if (!index.isValid())
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129 return QVariant();
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130
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131 if (role != Qt::DisplayRole)
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132 return QVariant();
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133
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134 TreeItem *item = static_cast<TreeItem*>(index.internalPointer());
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135
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136 return item->data(index.column());
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137 }
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138
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139
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140 void
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141 WorkspaceModel::cacheSymbolTable ()
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142 {
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143 std::list < symbol_table::symbol_record > symbolTable = symbol_table::all_variables ();
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144
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145 _cachedSymbolTableSemaphore->acquire (1);
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146 _cachedSymbolTable.clear();
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147 for (std::list < symbol_table::symbol_record > ::iterator iterator = symbolTable.begin ();
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148 iterator != symbolTable.end (); iterator++)
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149 {
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150 _cachedSymbolTable.push_back((*iterator).dup(symbol_table::global_scope()));
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151 }
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152 _cachedSymbolTableSemaphore->release (1);
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153 }
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154
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155 void
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156 WorkspaceModel::updateFromSymbolTable ()
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157 {
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158 // Split the symbol table into its different categories.
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159 QList < symbol_table::symbol_record* > localSymbolTable;
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160 QList < symbol_table::symbol_record* > globalSymbolTable;
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161 QList < symbol_table::symbol_record* > persistentSymbolTable;
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162 QList < symbol_table::symbol_record* > hiddenSymbolTable;
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163
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164 _cachedSymbolTableSemaphore->acquire (1);
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165 for (std::list < symbol_table::symbol_record > ::iterator iterator = _cachedSymbolTable.begin ();
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166 iterator != _cachedSymbolTable.end (); iterator++)
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167 {
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168 // It's true that being global or hidden includes it's can mean it's also locally visible,
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169 // but we want to distinguish that here.
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170 if (iterator->is_local () && !iterator->is_global () && !iterator->is_hidden ())
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171 {
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172 localSymbolTable.append (&(*iterator));
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173 }
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174
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175 if (iterator->is_global ())
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176 {
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177 globalSymbolTable.append (&(*iterator));
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178 }
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179
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180 if (iterator->is_persistent ())
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181 {
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182 persistentSymbolTable.append (&(*iterator));
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183 }
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184
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185 if (iterator->is_hidden ())
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186 {
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187 hiddenSymbolTable.append (&(*iterator));
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188 }
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189 }
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190
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191 updateCategory (0, localSymbolTable);
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192 updateCategory (1, globalSymbolTable);
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193 updateCategory (2, persistentSymbolTable);
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194 updateCategory (3, hiddenSymbolTable);
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195 _cachedSymbolTableSemaphore->release (1);
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196 reset();
6a6733a55982 Removed unused classes and added octave loop hook.
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197 emit expandRequest();
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198 }
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199
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200 void
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201 WorkspaceModel::updateCategory (int topLevelItemIndex, const QList < symbol_table::symbol_record* > &symbolTable)
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202 {
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203 TreeItem *treeItem = topLevelItem (topLevelItemIndex);
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204
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205 QModelIndex mi = index(treeItem->row(), 0);
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206 treeItem->deleteChildItems();
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207
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208 int symbolTableSize = symbolTable.size ();
7605e7136b50 Discarded initFileEditor, instead put that in the constructor. Speedup for updating the symbol table by lowering complexity from n² to n. Fixed problem with hangup on quit.
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209 for(int j = 0; j < symbolTableSize; j++)
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diff changeset
210 {
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Jacob Dawid <jacob.dawid@googlemail.com>
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211 TreeItem *child = new TreeItem ();
7605e7136b50 Discarded initFileEditor, instead put that in the constructor. Speedup for updating the symbol table by lowering complexity from n² to n. Fixed problem with hangup on quit.
Jacob Dawid <jacob.dawid@googlemail.com>
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212 updateTreeEntry (child, symbolTable[j]);
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213 treeItem->addChild (child);
14664
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214 }
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
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diff changeset
215 }
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
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diff changeset
216
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217 void
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diff changeset
218 WorkspaceModel::updateTreeEntry (TreeItem * treeItem, symbol_table::symbol_record *symbolRecord)
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219 {
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220 treeItem->setData (0, QString (symbolRecord->name ().c_str ()));
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diff changeset
221 treeItem->setData (1, QString (symbolRecord->varval ().type_name ().c_str ()));
f346343654a4 Settings readline event hook and fixed race condition.
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diff changeset
222 treeItem->setData (2, octaveValueAsQString (symbolRecord->varval ()));
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223 }
f346343654a4 Settings readline event hook and fixed race condition.
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diff changeset
224
14664
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diff changeset
225 QString
14668
6a6733a55982 Removed unused classes and added octave loop hook.
Jacob Dawid <jacob.dawid@googlemail.com>
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diff changeset
226 WorkspaceModel::octaveValueAsQString (const octave_value& octaveValue)
14664
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227 {
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228 // Convert single qouted string.
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diff changeset
229 if (octaveValue.is_sq_string ())
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diff changeset
230 {
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
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diff changeset
231 return QString ("\'%1\'").arg (octaveValue.string_value ().c_str ());
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diff changeset
232
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
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diff changeset
233 // Convert double qouted string.
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diff changeset
234 }
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
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diff changeset
235 else if (octaveValue.is_dq_string ())
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diff changeset
236 {
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
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diff changeset
237 return QString ("\"%1\"").arg (octaveValue.string_value ().c_str ());
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diff changeset
238
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diff changeset
239 // Convert real scalar.
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diff changeset
240 }
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
241 else if (octaveValue.is_real_scalar ())
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diff changeset
242 {
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
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diff changeset
243 return QString ("%1").arg (octaveValue.scalar_value ());
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diff changeset
244
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
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245 // Convert complex scalar.
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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246 }
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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247 else if (octaveValue.is_complex_scalar ())
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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248 {
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
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249 return QString ("%1 + %2i").arg (octaveValue.scalar_value ()).
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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250 arg (octaveValue.complex_value ().imag ());
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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251
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
252 // Convert range.
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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253 }
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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254 else if (octaveValue.is_range ())
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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255 {
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
256 return QString ("%1 : %2 : %3").arg (octaveValue.range_value ().
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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257 base ()).arg (octaveValue.
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
258 range_value ().
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
259 inc ()).
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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260 arg (octaveValue.range_value ().limit ());
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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261
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
262 // Convert real matrix.
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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263 }
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
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264 else if (octaveValue.is_real_matrix ())
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
265 {
14673
adad007cd018 Fixed bug with querying wrong matrix dimensions (bug #36421).
Jacob Dawid <jacob.dawid@googlemail.com>
parents: 14671
diff changeset
266 return QString ("%1x%2")
adad007cd018 Fixed bug with querying wrong matrix dimensions (bug #36421).
Jacob Dawid <jacob.dawid@googlemail.com>
parents: 14671
diff changeset
267 .arg (octaveValue.rows ())
adad007cd018 Fixed bug with querying wrong matrix dimensions (bug #36421).
Jacob Dawid <jacob.dawid@googlemail.com>
parents: 14671
diff changeset
268 .arg (octaveValue.columns ());
14664
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
269
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
270 // Convert complex matrix.
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
271 }
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
272 else if (octaveValue.is_complex_matrix ())
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
273 {
14673
adad007cd018 Fixed bug with querying wrong matrix dimensions (bug #36421).
Jacob Dawid <jacob.dawid@googlemail.com>
parents: 14671
diff changeset
274 return QString ("%1x%2")
adad007cd018 Fixed bug with querying wrong matrix dimensions (bug #36421).
Jacob Dawid <jacob.dawid@googlemail.com>
parents: 14671
diff changeset
275 .arg (octaveValue.rows ())
adad007cd018 Fixed bug with querying wrong matrix dimensions (bug #36421).
Jacob Dawid <jacob.dawid@googlemail.com>
parents: 14671
diff changeset
276 .arg (octaveValue.columns ());
14664
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
277
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
278 // If everything else does not fit, we could not recognize the type.
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
279 }
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
280 else
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
281 {
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
282 return QString ("<Type not recognized>");
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
283 }
664f54233c98 Extracted model code from the WorkspaceView and rearranged it in a new model class.
Jacob Dawid <jacob.dawid@googlemail.com>
parents:
diff changeset
284 }