1 | /* |
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2 | * Copyright (C) 2010 Ixonos Plc. |
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3 | * Copyright (C) 2011-2021 Philipp Spitzer, gregor herrmann, Stefan Stahl |
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4 | * |
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5 | * This file is part of ConfClerk. |
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6 | * |
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7 | * ConfClerk is free software: you can redistribute it and/or modify it |
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8 | * under the terms of the GNU General Public License as published by the Free |
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9 | * Software Foundation, either version 2 of the License, or (at your option) |
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10 | * any later version. |
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11 | * |
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12 | * ConfClerk is distributed in the hope that it will be useful, but |
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13 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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14 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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15 | * more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License along with |
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18 | * ConfClerk. If not, see <http://www.gnu.org/licenses/>. |
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19 | */ |
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20 | |
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21 | #include <QPainter> |
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22 | #include <QLabel> |
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23 | |
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24 | #include "daynavigatorwidget.h" |
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25 | #include "conference.h" |
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26 | #include "application.h" |
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27 | |
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28 | |
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29 | DayNavigatorWidget::DayNavigatorWidget(QWidget *aParent): QWidget(aParent) { |
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30 | setupUi(this); |
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31 | |
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32 | connect(prevDayButton, SIGNAL(clicked()), SLOT(prevDayButtonClicked())); |
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33 | connect(nextDayButton, SIGNAL(clicked()), SLOT(nextDayButtonClicked())); |
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34 | |
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35 | configureNavigation(); |
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36 | } |
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37 | |
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38 | |
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39 | void DayNavigatorWidget::setDates(const QDate &aStartDate, const QDate &aEndDate) { |
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40 | Q_ASSERT(aStartDate.isValid() && aEndDate.isValid() && aStartDate<=aEndDate); |
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41 | |
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42 | mStartDate = aStartDate; |
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43 | mEndDate = aEndDate; |
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44 | |
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45 | if (!mCurDate.isValid()) mCurDate = mStartDate; |
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46 | // if mCurDate is out of range, set it to mstartDate |
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47 | else if (mCurDate < mStartDate || mCurDate > mEndDate) mCurDate = mStartDate; |
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48 | |
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49 | configureNavigation(); |
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50 | emit(dateChanged(mCurDate)); |
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51 | this->update(); |
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52 | } |
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53 | |
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54 | |
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55 | void DayNavigatorWidget::setCurDate(const QDate& curDate) { |
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56 | Q_ASSERT(curDate.isValid()); |
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57 | if (curDate == mCurDate) return; |
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58 | |
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59 | if (!mStartDate.isValid()) { |
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60 | // the start and end date have not been set |
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61 | mStartDate = curDate; |
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62 | mEndDate = curDate; |
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63 | mCurDate = curDate; |
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64 | } |
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65 | |
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66 | else if (curDate < mStartDate) mCurDate = mStartDate; |
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67 | else if (curDate > mEndDate) mCurDate = mEndDate; |
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68 | else mCurDate = curDate; |
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69 | |
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70 | configureNavigation(); |
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71 | emit(dateChanged(mCurDate)); |
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72 | this->update(); |
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73 | } |
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74 | |
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75 | |
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76 | void DayNavigatorWidget::unsetDates() { |
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77 | mStartDate= QDate(); |
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78 | mEndDate = QDate(); |
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79 | mCurDate = QDate(); |
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80 | |
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81 | configureNavigation(); |
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82 | emit(dateChanged(mCurDate)); |
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83 | this->update(); |
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84 | } |
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85 | |
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86 | QSize DayNavigatorWidget::minimumSizeHint() const { |
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87 | #ifdef MAEMO |
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88 | return QSize(20, 0); |
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89 | #else |
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90 | return QSize(fontMetrics().lineSpacing() * 3 / 2, 0); |
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91 | #endif |
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92 | } |
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93 | |
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94 | |
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95 | void DayNavigatorWidget::configureNavigation() { |
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96 | prevDayButton->setDisabled(!mStartDate.isValid() || mCurDate == mStartDate); |
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97 | nextDayButton->setDisabled(!mEndDate.isValid() || mCurDate == mEndDate); |
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98 | } |
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99 | |
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100 | |
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101 | void DayNavigatorWidget::prevDayButtonClicked() { |
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102 | if(mCurDate <= mStartDate) return; |
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103 | mCurDate = mCurDate.addDays(-1); |
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104 | configureNavigation(); |
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105 | emit(dateChanged(mCurDate)); |
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106 | this->update(); |
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107 | } |
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108 | |
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109 | |
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110 | void DayNavigatorWidget::nextDayButtonClicked() { |
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111 | if(mCurDate >= mEndDate) return; |
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112 | mCurDate = mCurDate.addDays(1); |
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113 | configureNavigation(); |
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114 | emit(dateChanged(mCurDate)); |
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115 | this->update(); |
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116 | } |
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117 | |
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118 | |
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119 | void DayNavigatorWidget::paintEvent(QPaintEvent *aEvent) { |
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120 | Q_UNUSED(aEvent); |
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121 | QString selectedDateStr; |
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122 | if (mCurDate.isValid()) { |
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123 | QString selectedDateFormat = |
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124 | #ifdef MAEMO |
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125 | "dddd\nyyyy-MM-dd"; |
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126 | #else |
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127 | "dddd • yyyy-MM-dd"; |
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128 | #endif |
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129 | selectedDateStr = mCurDate.toString(selectedDateFormat); |
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130 | bool hasConference = ((Application*) qApp)->hasActiveConference(); |
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131 | if (hasConference) { |
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132 | Conference& conference = ((Application*) qApp)->activeConference(); |
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133 | if (conference.hasDisplayTimeShift() && conference.displayTimeShift() != 0) { |
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134 | QTime shift(0, 0); |
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135 | bool minus = conference.displayTimeShift() < 0; |
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136 | shift = shift.addSecs(conference.displayTimeShift() * 60 * (minus ? -1 : 1)); |
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137 | selectedDateStr += " • " + (minus ? QString("-") : "+") + shift.toString("HH:mm"); |
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138 | } |
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139 | } |
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140 | } else { |
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141 | selectedDateStr = tr("No date"); |
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142 | } |
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143 | QPainter painter(this); |
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144 | painter.save(); |
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145 | |
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146 | // rectangle only for the text |
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147 | QRect q(-selectedDate->height()-selectedDate->y(), selectedDate->x(), selectedDate->height(), selectedDate->width()); |
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148 | painter.rotate(270); |
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149 | |
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150 | // font size adjustion, static on maemo, dynamically otherwise |
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151 | QFont f = painter.font(); |
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152 | #ifdef MAEMO |
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153 | qreal factor = 0.8; |
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154 | #else |
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155 | #if QT_VERSION >= 0x050b00 // QT 5.11 |
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156 | auto dateStrWidth = painter.fontMetrics().horizontalAdvance(selectedDateStr); |
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157 | #else |
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158 | auto dateStrWidth = painter.fontMetrics().width(selectedDateStr); |
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159 | #endif |
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160 | qreal factor = (qreal) 2 * q.width() / dateStrWidth; |
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161 | #endif |
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162 | if (factor < 1) f.setPointSizeF(f.pointSizeF() * factor); |
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163 | painter.setFont(f); |
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164 | |
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165 | painter.drawText(q, Qt::AlignCenter, selectedDateStr); |
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166 | painter.restore(); |
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167 | } |
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