source: confclerk_git/src/gui/daynavigatorwidget.cpp @ 1006c4f

qt5
Last change on this file since 1006c4f was 1006c4f, checked in by Philipp Spitzer <philipp@…>, 11 years ago

Fixed ticket #26 (empty tabs after some actions).

  • Property mode set to 100644
File size: 3.8 KB
Line 
1/*
2 * Copyright (C) 2010 Ixonos Plc.
3 * Copyright (C) 2011 Philipp Spitzer, gregor herrmann
4 *
5 * This file is part of ConfClerk.
6 *
7 * ConfClerk is free software: you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation, either version 2 of the License, or (at your option)
10 * any later version.
11 *
12 * ConfClerk is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along with
18 * ConfClerk.  If not, see <http://www.gnu.org/licenses/>.
19 */
20#include "daynavigatorwidget.h"
21
22#include <QPainter>
23#include <QFontMetrics>
24#include <QLabel>
25
26#include <QDebug>
27
28DayNavigatorWidget::DayNavigatorWidget(QWidget *aParent)
29    : QWidget(aParent)
30    , mStartDate(QDate())
31    , mEndDate(QDate())
32    , mCurDate(QDate())
33{
34    setupUi(this);
35    connect(prevDayButton, SIGNAL(clicked()), SLOT(prevDayButtonClicked()));
36    connect(nextDayButton, SIGNAL(clicked()), SLOT(nextDayButtonClicked()));
37    connect(todayButton, SIGNAL(clicked()), SLOT(todayButtonClicked()));
38
39    mFontMetrics = new QFontMetrics(QLabel().font());
40}
41
42void DayNavigatorWidget::setDates(const QDate &aStartDate, const QDate &aEndDate)
43{
44    Q_ASSERT(aStartDate<=aEndDate);
45
46    mStartDate = aStartDate;
47    mEndDate = aEndDate;
48    if (!mCurDate.isValid()) mCurDate = mStartDate;
49    else if (mCurDate < mStartDate) mCurDate = mStartDate;
50    else if (mCurDate > mEndDate) mCurDate = mEndDate;
51
52    prevDayButton->setDisabled(mCurDate == mStartDate);
53    nextDayButton->setDisabled(mCurDate == mEndDate);
54    emit(dateChanged(mCurDate));
55}
56
57void DayNavigatorWidget::configureNavigation()
58{
59    // check start date
60    if(mCurDate==mStartDate || mStartDate==mEndDate)
61        prevDayButton->setDisabled(true);
62    else
63        prevDayButton->setDisabled(false);
64    // check end date
65    if(mCurDate==mEndDate || mStartDate==mEndDate)
66        nextDayButton->setDisabled(true);
67    else
68        nextDayButton->setDisabled(false);
69}
70
71void DayNavigatorWidget::prevDayButtonClicked()
72{
73    if(mCurDate>mStartDate)
74    {
75        mCurDate = mCurDate.addDays(-1);
76        configureNavigation();
77        emit(dateChanged(mCurDate));
78        this->update();
79    }
80}
81
82void DayNavigatorWidget::nextDayButtonClicked()
83{
84    if(mCurDate<mEndDate)
85    {
86        mCurDate = mCurDate.addDays(1);
87        configureNavigation();
88        emit(dateChanged(mCurDate));
89        this->update();
90    }
91}
92
93void DayNavigatorWidget::todayButtonClicked()
94{
95    QDate targetDate = QDate::currentDate();
96    if (targetDate>mStartDate && targetDate<mEndDate)
97    {
98        mCurDate = targetDate;
99        configureNavigation();
100        emit(dateChanged(mCurDate));
101        this->update();
102    }
103}
104
105void DayNavigatorWidget::paintEvent(QPaintEvent *aEvent)
106{
107    Q_UNUSED(aEvent);
108
109    QString selectedDateStr = mCurDate.toString("dddd\nyyyy-MM-dd");
110    QPainter painter(this);
111    painter.save();
112
113    // rectangle only for the text
114    int marginSize = 9;
115    int buttonSize = 32;
116#ifdef MAEMO
117    QRect q(y()-height()+1*marginSize+2.5*buttonSize, x(), height()-2*marginSize-2.5*buttonSize, width());
118#else
119    QRect q(y()-height()+1*marginSize+2*buttonSize, x(), height()-2*marginSize-3*buttonSize, width());
120#endif
121    painter.rotate(270);
122
123    // font size adjustion, static on maemo, dynamically otherwise
124    QFont f = painter.font();
125#ifdef MAEMO
126    qreal factor = 0.8;
127#else
128    qreal factor = (qreal) 2 * q.width() / painter.fontMetrics().width(selectedDateStr);
129#endif
130    if (factor < 1) f.setPointSizeF(f.pointSizeF() * factor);
131    painter.setFont(f);
132
133    painter.drawText(q, Qt::AlignCenter, selectedDateStr);
134    painter.restore();
135}
136
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