summaryrefslogtreecommitdiffstats
path: root/kexi/plugins/forms/widgets/kexidbdateedit.cpp
blob: 58dee2e6a53f452ea9c367393b8f475fa1a6266b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
/* This file is part of the KDE project
   Copyright (C) 2005 Cedric Pasteur <[email protected]>
   Copyright (C) 2004-2005 Jaroslaw Staniek <[email protected]>

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#include "kexidbdateedit.h"
#include <tqlayout.h>
#include <tqtoolbutton.h>
#include <tdepopupmenu.h>
#include <kdatepicker.h>
#include <kdatetbl.h>

#include <kexiutils/utils.h>
#include <kexidb/queryschema.h>

KexiDBDateEdit::KexiDBDateEdit(const TQDate &date, TQWidget *parent, const char *name)
 : TQWidget(parent, name), KexiFormDataItemInterface()
{
	m_invalidState = false;
	m_cleared = false;
	m_readOnly = false;

	m_edit = new TQDateEdit(date, this);
	m_edit->setAutoAdvance(true);
	m_edit->setSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::MinimumExpanding);
	connect( m_edit, TQ_SIGNAL(valueChanged(const TQDate&)), this, TQ_SLOT(slotValueChanged(const TQDate&)) );
	connect( m_edit, TQ_SIGNAL(valueChanged(const TQDate&)), this, TQ_SIGNAL(dateChanged(const TQDate&)) );

	TQToolButton* btn = new TQToolButton(this);
	btn->setText("...");
	btn->setFixedWidth( TQFontMetrics(btn->font()).width(" ... ") );
	btn->setPopupDelay(1); //1 ms

#ifdef TQDateTimeEditor_HACK
	m_dte_date = KexiUtils::findFirstChild<TQDateTimeEditor>(m_edit, "TQDateTimeEditor");
#else
	m_dte_date = 0;
#endif

	m_datePickerPopupMenu = new TDEPopupMenu(0, "date_popup");
	connect(m_datePickerPopupMenu, TQ_SIGNAL(aboutToShow()), this, TQ_SLOT(slotShowDatePicker()));
	m_datePicker = new KDatePicker(m_datePickerPopupMenu, TQDate::currentDate(), 0);

	KDateTable *dt = KexiUtils::findFirstChild<KDateTable>(m_datePicker, "KDateTable");
	if (dt)
		connect(dt, TQ_SIGNAL(tableClicked()), this, TQ_SLOT(acceptDate()));
	m_datePicker->setCloseButton(true);
	m_datePicker->installEventFilter(this);
	m_datePickerPopupMenu->insertItem(m_datePicker);
	btn->setPopup(m_datePickerPopupMenu);

	TQHBoxLayout* layout = new TQHBoxLayout(this);
	layout->addWidget(m_edit, 1);
	layout->addWidget(btn, 0);

	setFocusProxy(m_edit);
}

KexiDBDateEdit::~KexiDBDateEdit()
{
}

void KexiDBDateEdit::setInvalidState( const TQString& )
{
	setEnabled(false);
	setReadOnly(true);
	m_invalidState = true;
//! @todo move this to KexiDataItemInterface::setInvalidStateInternal() ?
	if (focusPolicy() & TabFocus)
		setFocusPolicy(TQWidget::ClickFocus);
}

void
KexiDBDateEdit::setEnabled(bool enabled)
{
	 // prevent the user from reenabling the widget when it is in invalid state
	if(enabled && m_invalidState)
		return;
	TQWidget::setEnabled(enabled);
}

void KexiDBDateEdit::setValueInternal(const TQVariant &add, bool removeOld)
{
	int setNumberOnFocus = -1;
	TQDate d;
	TQString addString(add.toString());
	if (removeOld) {
		if (!addString.isEmpty() && addString[0].latin1()>='0' && addString[0].latin1() <='9') {
			setNumberOnFocus = addString[0].latin1()-'0';
			d = TQDate(setNumberOnFocus*1000, 1, 1);
		}
	}
	else
		d = m_origValue.toDate();

	m_edit->setDate(d);
}

TQVariant
KexiDBDateEdit::value()
{
	return TQVariant(m_edit->date());
}

bool KexiDBDateEdit::valueIsNull()
{
	return !m_edit->date().isValid() || m_edit->date().isNull();
}

bool KexiDBDateEdit::valueIsEmpty()
{
	return m_cleared;
}

bool KexiDBDateEdit::isReadOnly() const
{
	//! @todo: data/time edit API has no readonly flag, 
	//!        so use event filter to avoid changes made by keyboard or mouse when m_readOnly==true
	return m_readOnly; //!isEnabled();
}

void KexiDBDateEdit::setReadOnly(bool set)
{
	m_readOnly = set;
}

TQWidget*
KexiDBDateEdit::widget()
{
	return this;
}

bool KexiDBDateEdit::cursorAtStart()
{
#ifdef TQDateTimeEditor_HACK
	return m_dte_date && m_edit->hasFocus() && m_dte_date->focusSection()==0;
#else
	return false;
#endif
}

bool KexiDBDateEdit::cursorAtEnd()
{
#ifdef TQDateTimeEditor_HACK
	return m_dte_date && m_edit->hasFocus()
		&& m_dte_date->focusSection()==int(m_dte_date->sectionCount()-1);
#else
	return false;
#endif
}

void KexiDBDateEdit::clear()
{
	m_edit->setDate(TQDate());
	m_cleared = true;
}

void
KexiDBDateEdit::slotValueChanged(const TQDate&)
{
	m_cleared = false;
}

void
KexiDBDateEdit::slotShowDatePicker()
{
	TQDate date = m_edit->date();

	m_datePicker->setDate(date);
	m_datePicker->setFocus();
	m_datePicker->show();
	m_datePicker->setFocus();
}

void
KexiDBDateEdit::acceptDate()
{
	m_edit->setDate(m_datePicker->date());
	m_datePickerPopupMenu->hide();
}

bool
KexiDBDateEdit::eventFilter(TQObject *o, TQEvent *e)
{
	if (o != m_datePicker)
		return false;

	switch (e->type()) {
		case TQEvent::Hide:
			m_datePickerPopupMenu->hide();
			break;
		case TQEvent::KeyPress:
		case TQEvent::KeyRelease: {
			TQKeyEvent *ke = (TQKeyEvent *)e;
			if (ke->key()==TQt::Key_Enter || ke->key()==TQt::Key_Return) {
				//accepting picker
				acceptDate();
				return true;
			}
			else if (ke->key()==TQt::Key_Escape) {
				//canceling picker
				m_datePickerPopupMenu->hide();
				return true;
			}
			else
				 m_datePickerPopupMenu->setFocus();
			break;
		}
		default:
			break;
	}
	return false;
}

#include "kexidbdateedit.moc"