1 | #include "eventmodel.h" |
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2 | #include <conference.h> |
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3 | |
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4 | EventModel::EventModel() |
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5 | { |
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6 | mEvents.clear(); |
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7 | } |
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8 | |
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9 | void EventModel::createTimeGroups() |
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10 | { |
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11 | mGroups.clear(); |
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12 | mParents.clear(); |
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13 | |
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14 | if (mEvents.empty()) |
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15 | { |
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16 | return; |
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17 | } |
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18 | |
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19 | const int timeSpan = 5400; |
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20 | |
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21 | QTime startTime = mEvents.first().start().time(); |
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22 | mGroups << EventModel::Group(QString("%1 - %2").arg(startTime.toString("HH:mm"), |
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23 | startTime.addSecs(timeSpan).toString("HH:mm")), 0); |
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24 | QTime nextGroupTime = mEvents.first().start().time().addSecs(timeSpan); |
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25 | |
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26 | for (int i=0; i<mEvents.count(); i++) |
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27 | { |
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28 | QTime eventTime = mEvents.at(i).start().time(); |
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29 | |
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30 | if (nextGroupTime < eventTime) |
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31 | { |
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32 | mGroups.last().mChildCount = i - mGroups.last().mFirstEventIndex; |
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33 | mGroups << EventModel::Group(QString("%1 - %2").arg(nextGroupTime.toString("HH:mm"), |
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34 | nextGroupTime.addSecs(timeSpan).toString("HH:mm")), i); |
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35 | nextGroupTime = nextGroupTime.addSecs(timeSpan); |
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36 | } |
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37 | |
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38 | // add parent-child relation |
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39 | mParents[mEvents.at(i).id()] = mGroups.count() - 1; |
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40 | } |
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41 | |
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42 | mGroups.last().mChildCount = mEvents.count() - mGroups.last().mFirstEventIndex; |
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43 | } |
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44 | |
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45 | QVariant EventModel::data(const QModelIndex& index, int role) const |
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46 | { |
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47 | if (index.isValid() && role == Qt::DisplayRole) |
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48 | { |
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49 | if (index.internalId() == 0) |
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50 | { //range of time data |
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51 | //qDebug() << qVariantValue<QString>(mGroups.at(index.row()).mTitle); |
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52 | return mGroups.at(index.row()).mTitle; |
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53 | } |
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54 | else //event data |
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55 | { |
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56 | //qDebug() << qVariantValue<QString>(static_cast<Event*>(index.internalPointer())->id()); |
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57 | //return static_cast<Event*>(index.internalPointer())->id(); |
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58 | //qDebug() << Event::getVirtualById(static_cast<Event*>(index.internalPointer())->id(), 1).title();// Id Conference is 1 by now |
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59 | //return 1; |
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60 | return static_cast<Event*>(index.internalPointer())->id(); |
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61 | } |
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62 | } |
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63 | |
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64 | return QVariant(); |
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65 | } |
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66 | |
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67 | QModelIndex EventModel::index(int row, int column, const QModelIndex& parent) const |
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68 | { |
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69 | // TODO: add checks for out of range rows |
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70 | |
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71 | if (!parent.isValid()) |
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72 | { |
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73 | return createIndex(row, column, 0); |
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74 | } |
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75 | else if (parent.internalId() == 0) |
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76 | { |
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77 | const Group& group = mGroups.at(parent.row()); |
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78 | Event* event = const_cast<Event*>(&mEvents.at(row + group.mFirstEventIndex)); |
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79 | return createIndex(row, column, reinterpret_cast<void*>(event)); |
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80 | } |
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81 | else |
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82 | { |
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83 | return QModelIndex(); |
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84 | } |
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85 | } |
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86 | |
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87 | QModelIndex EventModel::parent(const QModelIndex & index) const |
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88 | { |
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89 | if (index.isValid()) |
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90 | { |
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91 | if (index.internalId() == 0) |
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92 | { |
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93 | return QModelIndex(); |
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94 | } |
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95 | |
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96 | Event * event = static_cast<Event*>(index.internalPointer()); |
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97 | |
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98 | return createIndex(mParents[event->id()], 0, 0); |
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99 | } |
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100 | |
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101 | return QModelIndex(); |
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102 | } |
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103 | |
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104 | int EventModel::columnCount(const QModelIndex & parent) const |
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105 | { |
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106 | Q_UNUSED(parent); |
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107 | return 1; |
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108 | } |
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109 | |
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110 | int EventModel::rowCount (const QModelIndex & parent) const |
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111 | { |
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112 | if (!parent.isValid()) |
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113 | { |
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114 | return mGroups.count(); |
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115 | } |
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116 | |
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117 | if (parent.internalId() == 0) |
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118 | { |
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119 | return mGroups.at(parent.row()).mChildCount; |
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120 | } |
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121 | |
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122 | return 0; |
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123 | } |
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124 | |
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125 | void EventModel::loadEvents(const QDate &aDate, int aConferenceId) |
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126 | { |
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127 | for(int i=0; i<mGroups.count(); i++) |
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128 | { |
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129 | QModelIndex idx = index(i,0); |
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130 | Group group = mGroups[i]; |
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131 | beginRemoveRows(idx,0,group.mChildCount-1); |
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132 | bool ok = removeRows(0,group.mChildCount,idx); |
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133 | endRemoveRows(); |
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134 | //qDebug() << "removing " << group.mChildCount << " events from group:" << i << idx.data() << ":" << ok; |
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135 | } |
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136 | |
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137 | mEvents.clear(); |
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138 | |
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139 | // check for existence of the conference in the DB |
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140 | if(Conference::getAll().count()) |
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141 | { |
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142 | qDebug() << "Loading Conference Data: [" << Conference::getById(aConferenceId).title() << "] " << aDate; |
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143 | mEvents = Event::getByDate(QDate(aDate.year(), aDate.month(), aDate.day()), aConferenceId); |
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144 | } |
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145 | createTimeGroups(); |
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146 | } |
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147 | |
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148 | void EventModel::loadFavEvents(const QDate &aDate, int aConferenceId) |
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149 | { |
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150 | for(int i=0; i<mGroups.count(); i++) |
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151 | { |
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152 | QModelIndex idx = index(i,0); |
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153 | Group group = mGroups[i]; |
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154 | beginRemoveRows(idx,0,group.mChildCount-1); |
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155 | bool ok = removeRows(0,group.mChildCount,idx); |
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156 | endRemoveRows(); |
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157 | //qDebug() << "removing " << group.mChildCount << " events from group:" << i << idx.data() << ":" << ok; |
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158 | } |
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159 | |
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160 | mEvents.clear(); |
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161 | |
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162 | // check for existence of the conference in the DB |
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163 | if(Conference::getAll().count()) |
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164 | { |
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165 | qDebug() << "Loading FAV Conference Data: [" << Conference::getById(aConferenceId).title() << "] " << aDate; |
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166 | mEvents = Event::getFavByDate(QDate(aDate.year(), aDate.month(), aDate.day()), aConferenceId); |
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167 | } |
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168 | createTimeGroups(); |
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169 | } |
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170 | |
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171 | void EventModel::emitDataChangedSignal(const QModelIndex &aTopLeft, const QModelIndex &aBottomRight) |
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172 | { |
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173 | emit(dataChanged(aTopLeft,aBottomRight)); |
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174 | } |
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175 | |
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