1 | /* |
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2 | * Copyright (C) 2010 Ixonos Plc. |
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3 | * Copyright (C) 2011 Philipp Spitzer, gregor herrmann |
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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 | #include "daynavigatorwidget.h" |
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21 | |
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22 | #include <QPainter> |
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23 | #include <QFontMetrics> |
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24 | #include <QLabel> |
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25 | |
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26 | #include <QDebug> |
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27 | |
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28 | DayNavigatorWidget::DayNavigatorWidget(QWidget *aParent) |
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29 | : QWidget(aParent) |
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30 | , mStartDate(QDate()) |
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31 | , mEndDate(QDate()) |
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32 | , mCurDate(QDate()) |
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33 | { |
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34 | setupUi(this); |
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35 | connect(prevDayButton, SIGNAL(clicked()), SLOT(prevDayButtonClicked())); |
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36 | connect(nextDayButton, SIGNAL(clicked()), SLOT(nextDayButtonClicked())); |
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37 | connect(todayButton, SIGNAL(clicked()), SLOT(todayButtonClicked())); |
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38 | |
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39 | mFontMetrics = new QFontMetrics(QLabel().font()); |
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40 | } |
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41 | |
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42 | void DayNavigatorWidget::setDates(const QDate &aStartDate, const QDate &aEndDate) |
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43 | { |
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44 | Q_ASSERT(aStartDate<=aEndDate); |
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45 | |
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46 | mStartDate = aStartDate; |
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47 | mEndDate = aEndDate; |
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48 | if (!mCurDate.isValid()) mCurDate = mStartDate; |
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49 | else if (mCurDate < mStartDate) mCurDate = mStartDate; |
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50 | else if (mCurDate > mEndDate) mCurDate = mEndDate; |
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51 | |
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52 | prevDayButton->setDisabled(mCurDate == mStartDate); |
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53 | nextDayButton->setDisabled(mCurDate == mEndDate); |
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54 | emit(dateChanged(mCurDate)); |
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55 | } |
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56 | |
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57 | void DayNavigatorWidget::configureNavigation() |
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58 | { |
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59 | // check start date |
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60 | if(mCurDate==mStartDate || mStartDate==mEndDate) |
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61 | prevDayButton->setDisabled(true); |
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62 | else |
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63 | prevDayButton->setDisabled(false); |
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64 | // check end date |
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65 | if(mCurDate==mEndDate || mStartDate==mEndDate) |
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66 | nextDayButton->setDisabled(true); |
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67 | else |
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68 | nextDayButton->setDisabled(false); |
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69 | } |
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70 | |
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71 | void DayNavigatorWidget::prevDayButtonClicked() |
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72 | { |
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73 | if(mCurDate>mStartDate) |
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74 | { |
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75 | mCurDate = mCurDate.addDays(-1); |
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76 | configureNavigation(); |
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77 | emit(dateChanged(mCurDate)); |
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78 | this->update(); |
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79 | } |
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80 | } |
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81 | |
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82 | void DayNavigatorWidget::nextDayButtonClicked() |
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83 | { |
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84 | if(mCurDate<mEndDate) |
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85 | { |
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86 | mCurDate = mCurDate.addDays(1); |
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87 | configureNavigation(); |
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88 | emit(dateChanged(mCurDate)); |
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89 | this->update(); |
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90 | } |
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91 | } |
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92 | |
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93 | void DayNavigatorWidget::todayButtonClicked() |
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94 | { |
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95 | QDate targetDate = QDate::currentDate(); |
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96 | if (targetDate>mStartDate && targetDate<mEndDate) |
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97 | { |
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98 | mCurDate = targetDate; |
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99 | configureNavigation(); |
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100 | emit(dateChanged(mCurDate)); |
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101 | this->update(); |
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102 | } |
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103 | } |
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104 | |
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105 | void DayNavigatorWidget::paintEvent(QPaintEvent *aEvent) |
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106 | { |
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107 | Q_UNUSED(aEvent); |
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108 | |
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109 | QString selectedDateStr = mCurDate.toString("dddd\nyyyy-MM-dd"); |
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110 | QPainter painter(this); |
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111 | painter.save(); |
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112 | |
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113 | // rectangle only for the text |
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114 | int marginSize = 9; |
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115 | int buttonSize = 32; |
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116 | #ifdef MAEMO |
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117 | QRect q(y()-height()+1*marginSize+2.5*buttonSize, x(), height()-2*marginSize-2.5*buttonSize, width()); |
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118 | #else |
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119 | QRect q(y()-height()+1*marginSize+2*buttonSize, x(), height()-2*marginSize-3*buttonSize, width()); |
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120 | #endif |
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121 | painter.rotate(270); |
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122 | |
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123 | // font size adjustion, static on maemo, dynamically otherwise |
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124 | QFont f = painter.font(); |
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125 | #ifdef MAEMO |
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126 | qreal factor = 0.8; |
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127 | #else |
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128 | qreal factor = (qreal) 2 * q.width() / painter.fontMetrics().width(selectedDateStr); |
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129 | #endif |
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130 | if (factor < 1) f.setPointSizeF(f.pointSizeF() * factor); |
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131 | painter.setFont(f); |
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132 | |
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133 | painter.drawText(q, Qt::AlignCenter, selectedDateStr); |
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134 | painter.restore(); |
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135 | } |
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136 | |
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