summaryrefslogtreecommitdiffstats
path: root/kalarm/alarmtext.cpp
blob: 2162f62a45a335ea223bbe2aaf3a1408fbd1af9f (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
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
/*
 *  alarmtext.cpp  -  text/email alarm text conversion
 *  Program:  kalarm
 *  Copyright (C) 2004, 2005 by David Jarvie <software@astrojar.org.uk>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include "kalarm.h"
#include <qstringlist.h>
#include <klocale.h>

#include "alarmevent.h"
#include "editdlg.h"
#include "alarmtext.h"


QString AlarmText::mFromPrefix;
QString AlarmText::mToPrefix;
QString AlarmText::mCcPrefix;
QString AlarmText::mDatePrefix;
QString AlarmText::mSubjectPrefix;
QString AlarmText::mFromPrefixEn    = QString::fromLatin1("From:");
QString AlarmText::mToPrefixEn      = QString::fromLatin1("To:");
QString AlarmText::mCcPrefixEn      = QString::fromLatin1("Cc:");
QString AlarmText::mDatePrefixEn    = QString::fromLatin1("Date:");
QString AlarmText::mSubjectPrefixEn = QString::fromLatin1("Subject:");


void AlarmText::setText(const QString& text)
{
	mBody     = text;
	mIsScript = text.startsWith(QString::fromLatin1("#!"));
	mIsEmail  = false;
	mTo = mFrom = mCc = mTime = mSubject = QString::null;
	mKMailSerialNum = 0;
}

void AlarmText::setEmail(const QString& to, const QString& from, const QString& cc, const QString& time,
                         const QString& subject, const QString& body, unsigned long kmailSerialNumber)
{
	mIsScript       = false;
	mIsEmail        = true;
	mTo             = to;
	mFrom           = from;
	mCc             = cc;
	mTime           = time;
	mSubject        = subject;
	mBody           = body;
	mKMailSerialNum = kmailSerialNumber;
}

/******************************************************************************
*  Return the text for a text message alarm, in display format.
*/
QString AlarmText::displayText() const
{
	if (mIsEmail)
	{
		// Format the email into a text alarm
		setUpTranslations();
		QString text;
		text = mFromPrefix + '\t' + mFrom + '\n';
		text += mToPrefix + '\t' + mTo + '\n';
		if (!mCc.isEmpty())
			text += mCcPrefix + '\t' + mCc + '\n';
		if (!mTime.isEmpty())
			text += mDatePrefix + '\t' + mTime + '\n';
		text += mSubjectPrefix + '\t' + mSubject;
		if (!mBody.isEmpty())
		{
			text += "\n\n";
			text += mBody;
		}
		return text;
	}
	return mBody;
}

/******************************************************************************
*  Return whether there is any text.
*/
bool AlarmText::isEmpty() const
{
	if (!mBody.isEmpty())
		return false;
	if (!mIsEmail)
		return true;
	return mFrom.isEmpty() && mTo.isEmpty() && mCc.isEmpty() && mTime.isEmpty() && mSubject.isEmpty();
}

/******************************************************************************
*  Check whether a text is an email.
*/
bool AlarmText::checkIfEmail(const QString& text)
{
	QStringList lines = QStringList::split('\n', text);
	return emailHeaderCount(lines);
}

/******************************************************************************
*  Check whether a text is an email.
*  Reply = number of email header lines, or 0 if not an email.
*/
int AlarmText::emailHeaderCount(const QStringList& lines)
{
	setUpTranslations();
	int maxn = lines.count();
	if (maxn >= 4
	&&  lines[0].startsWith(mFromPrefix)
	&&  lines[1].startsWith(mToPrefix))
	{
		int n = 2;
		if (lines[2].startsWith(mCcPrefix))
			++n;
		if (maxn > n + 1
		&&  lines[n].startsWith(mDatePrefix)
		&&  lines[n+1].startsWith(mSubjectPrefix))
			return n+2;
	}
	return 0;
}

/******************************************************************************
*  Check whether a text is an email, and if so return its headers or optionally
*  only its subject line.
*  Reply = headers/subject line, or QString::null if not the text of an email.
*/
QString AlarmText::emailHeaders(const QString& text, bool subjectOnly)
{
	QStringList lines = QStringList::split('\n', text);
	int n = emailHeaderCount(lines);
	if (!n)
		return QString::null;
	if (subjectOnly)
		return lines[n-1].mid(mSubjectPrefix.length()).stripWhiteSpace();
	QString h = lines[0];
	for (int i = 1;  i < n;  ++i)
	{
		h += '\n';
		h += lines[i];
	}
	return h;
}

/******************************************************************************
*  Translate an alarm calendar text to a display text.
*  Translation is needed for email texts, since the alarm calendar stores
*  untranslated email prefixes.
*  'email' is set to indicate whether it is an email text.
*/
QString AlarmText::fromCalendarText(const QString& text, bool& email)
{
	QStringList lines = QStringList::split('\n', text);
	int maxn = lines.count();
	if (maxn >= 4
	&&  lines[0].startsWith(mFromPrefixEn)
	&&  lines[1].startsWith(mToPrefixEn))
	{
		int n = 2;
		if (lines[2].startsWith(mCcPrefixEn))
			++n;
		if (maxn > n + 1
		&&  lines[n].startsWith(mDatePrefixEn)
		&&  lines[n+1].startsWith(mSubjectPrefixEn))
		{
			setUpTranslations();
			QString dispText;
			dispText = mFromPrefix + lines[0].mid(mFromPrefixEn.length()) + '\n';
			dispText += mToPrefix + lines[1].mid(mToPrefixEn.length()) + '\n';
			if (n == 3)
				dispText += mCcPrefix + lines[2].mid(mCcPrefixEn.length()) + '\n';
			dispText += mDatePrefix + lines[n].mid(mDatePrefixEn.length()) + '\n';
			dispText += mSubjectPrefix + lines[n+1].mid(mSubjectPrefixEn.length());
			int i = text.find(mSubjectPrefixEn);
			i = text.find('\n', i);
			if (i > 0)
				dispText += text.mid(i);
			email = true;
			return dispText;
		}
	}
	email = false;
	return text;
}

/******************************************************************************
*  Return the text for a text message alarm, in alarm calendar format.
*  (The prefix strings are untranslated in the calendar.)
*/
QString AlarmText::toCalendarText(const QString& text)
{
	setUpTranslations();
	QStringList lines = QStringList::split('\n', text);
	int maxn = lines.count();
	if (maxn >= 4
	&&  lines[0].startsWith(mFromPrefix)
	&&  lines[1].startsWith(mToPrefix))
	{
		int n = 2;
		if (lines[2].startsWith(mCcPrefix))
			++n;
		if (maxn > n + 1
		&&  lines[n].startsWith(mDatePrefix)
		&&  lines[n+1].startsWith(mSubjectPrefix))
		{
			// Format the email into a text alarm
			QString calText;
			calText = mFromPrefixEn + lines[0].mid(mFromPrefix.length()) + '\n';
			calText += mToPrefixEn + lines[1].mid(mToPrefix.length()) + '\n';
			if (n == 3)
				calText += mCcPrefixEn + lines[2].mid(mCcPrefix.length()) + '\n';
			calText += mDatePrefixEn + lines[n].mid(mDatePrefix.length()) + '\n';
			calText += mSubjectPrefixEn + lines[n+1].mid(mSubjectPrefix.length());
			int i = text.find(mSubjectPrefix);
			i = text.find('\n', i);
			if (i > 0)
				calText += text.mid(i);
			return calText;
		}
	}
	return text;
}

/******************************************************************************
*  Set up messages used by executeDropEvent() and emailHeaders().
*/
void AlarmText::setUpTranslations()
{
	if (mFromPrefix.isNull())
	{
		mFromPrefix    = EditAlarmDlg::i18n_EmailFrom();
		mToPrefix      = EditAlarmDlg::i18n_EmailTo();
		mCcPrefix      = i18n("Copy-to in email headers", "Cc:");
		mDatePrefix    = i18n("Date:");
		mSubjectPrefix = EditAlarmDlg::i18n_EmailSubject();
	}
}

/******************************************************************************
*  Return the alarm summary text for either single line or tooltip display.
*  The maximum number of line returned is determined by 'maxLines'.
*  If 'truncated' is non-null, it will be set true if the text returned has been
*  truncated, other than to strip a trailing newline.
*/
QString AlarmText::summary(const KAEvent& event, int maxLines, bool* truncated)
{
	QString text = (event.action() == KAEvent::EMAIL) ? event.emailSubject() : event.cleanText();
	if (event.action() == KAEvent::MESSAGE)
	{
		// If the message is the text of an email, return its headers or just subject line
		QString subject = emailHeaders(text, (maxLines <= 1));
		if (!subject.isNull())
		{
			if (truncated)
				*truncated = true;
			return subject;
		}
	}
	if (truncated)
		*truncated = false;
	if (text.contains('\n') < maxLines)
		return text;
	int newline = -1;
	for (int i = 0;  i < maxLines;  ++i)
	{
		newline = text.find('\n', newline + 1);
		if (newline < 0)
			return text;       // not truncated after all !?!
	}
	if (newline == static_cast<int>(text.length()) - 1)
		return text.left(newline);    // text ends in newline
	if (truncated)
		*truncated = true;
	return text.left(newline + (maxLines <= 1 ? 0 : 1)) + QString::fromLatin1("...");
}