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comparison src/xlsx/xlsxrichstring.cpp @ 1:93d3106bb9a4

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Add qt xlsx library
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 22 Mar 2016 10:38:08 +0100
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0:49cd5cc0b072 1:93d3106bb9a4
1 /****************************************************************************
2 ** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
3 ** All right reserved.
4 **
5 ** Permission is hereby granted, free of charge, to any person obtaining
6 ** a copy of this software and associated documentation files (the
7 ** "Software"), to deal in the Software without restriction, including
8 ** without limitation the rights to use, copy, modify, merge, publish,
9 ** distribute, sublicense, and/or sell copies of the Software, and to
10 ** permit persons to whom the Software is furnished to do so, subject to
11 ** the following conditions:
12 **
13 ** The above copyright notice and this permission notice shall be
14 ** included in all copies or substantial portions of the Software.
15 **
16 ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 ** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 ** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 ** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 ** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 **
24 ****************************************************************************/
25 #include "xlsxrichstring.h"
26 #include "xlsxrichstring_p.h"
27 #include "xlsxformat_p.h"
28 #include <QDebug>
29 #include <QTextDocument>
30 #include <QTextFragment>
31
32 QT_BEGIN_NAMESPACE_XLSX
33
34 RichStringPrivate::RichStringPrivate()
35 :_dirty(true)
36 {
37
38 }
39
40 RichStringPrivate::RichStringPrivate(const RichStringPrivate &other)
41 :QSharedData(other), fragmentTexts(other.fragmentTexts)
42 ,fragmentFormats(other.fragmentFormats)
43 , _idKey(other.idKey()), _dirty(other._dirty)
44 {
45
46 }
47
48 RichStringPrivate::~RichStringPrivate()
49 {
50
51 }
52
53 /*!
54 \class RichString
55 \inmodule QtXlsx
56 \brief This class add support for the rich text string of the cell.
57 */
58
59 /*!
60 Constructs a null string.
61 */
62 RichString::RichString()
63 :d(new RichStringPrivate)
64 {
65 }
66
67 /*!
68 Constructs a plain string with the given \a text.
69 */
70 RichString::RichString(const QString text)
71 :d(new RichStringPrivate)
72 {
73 addFragment(text, Format());
74 }
75
76 /*!
77 Constructs a copy of \a other.
78 */
79 RichString::RichString(const RichString &other)
80 :d(other.d)
81 {
82
83 }
84
85 /*!
86 Destructs the string.
87 */
88 RichString::~RichString()
89 {
90
91 }
92
93 /*!
94 Assigns \a other to this string and returns a reference to this string
95 */
96 RichString &RichString::operator =(const RichString &other)
97 {
98 this->d = other.d;
99 return *this;
100 }
101
102 /*!
103 Returns the rich string as a QVariant
104 */
105 RichString::operator QVariant() const
106 {
107 return QVariant(qMetaTypeId<RichString>(), this);
108 }
109
110 /*!
111 Returns true if this is rich text string.
112 */
113 bool RichString::isRichString() const
114 {
115 if (fragmentCount() > 1) //Is this enough??
116 return true;
117 return false;
118 }
119
120 /*!
121 Returns true is this is an Null string.
122 */
123 bool RichString::isNull() const
124 {
125 return d->fragmentTexts.size() == 0;
126 }
127
128 /*!
129 Returns true is this is an empty string.
130 */
131 bool RichString::isEmtpy() const
132 {
133 foreach (const QString str, d->fragmentTexts) {
134 if (!str.isEmpty())
135 return false;
136 }
137
138 return true;
139 }
140
141 /*!
142 Converts to plain text string.
143 */
144 QString RichString::toPlainString() const
145 {
146 if (isEmtpy())
147 return QString();
148 if (d->fragmentTexts.size() == 1)
149 return d->fragmentTexts[0];
150
151 return d->fragmentTexts.join(QString());
152 }
153
154 /*!
155 Converts to html string
156 */
157 QString RichString::toHtml() const
158 {
159 //: Todo
160 return QString();
161 }
162
163 /*!
164 Replaces the entire contents of the document
165 with the given HTML-formatted text in the \a text string
166 */
167 void RichString::setHtml(const QString &text)
168 {
169 QTextDocument doc;
170 doc.setHtml(text);
171 QTextBlock block = doc.firstBlock();
172 QTextBlock::iterator it;
173 for (it = block.begin(); !(it.atEnd()); ++it) {
174 QTextFragment textFragment = it.fragment();
175 if (textFragment.isValid()) {
176 Format fmt;
177 fmt.setFont(textFragment.charFormat().font());
178 fmt.setFontColor(textFragment.charFormat().foreground().color());
179 addFragment(textFragment.text(), fmt);
180 }
181 }
182 }
183
184 /*!
185 Returns fragment count.
186 */
187 int RichString::fragmentCount() const
188 {
189 return d->fragmentTexts.size();
190 }
191
192 /*!
193 Appends a fragment with the given \a text and \a format.
194 */
195 void RichString::addFragment(const QString &text, const Format &format)
196 {
197 d->fragmentTexts.append(text);
198 d->fragmentFormats.append(format);
199 d->_dirty = true;
200 }
201
202 /*!
203 Returns fragment text at the position \a index.
204 */
205 QString RichString::fragmentText(int index) const
206 {
207 if (index < 0 || index >= fragmentCount())
208 return QString();
209
210 return d->fragmentTexts[index];
211 }
212
213 /*!
214 Returns fragment format at the position \a index.
215 */
216 Format RichString::fragmentFormat(int index) const
217 {
218 if (index < 0 || index >= fragmentCount())
219 return Format();
220
221 return d->fragmentFormats[index];
222 }
223
224 /*!
225 * \internal
226 */
227 QByteArray RichStringPrivate::idKey() const
228 {
229 if (_dirty) {
230 RichStringPrivate *rs = const_cast<RichStringPrivate *>(this);
231 QByteArray bytes;
232 if (fragmentTexts.size() == 1) {
233 bytes = fragmentTexts[0].toUtf8();
234 } else {
235 //Generate a hash value base on QByteArray ?
236 bytes.append("@@QtXlsxRichString=");
237 for (int i=0; i<fragmentTexts.size(); ++i) {
238 bytes.append("@Text");
239 bytes.append(fragmentTexts[i].toUtf8());
240 bytes.append("@Format");
241 if (fragmentFormats[i].hasFontData())
242 bytes.append(fragmentFormats[i].fontKey());
243 }
244 }
245 rs->_idKey = bytes;
246 rs->_dirty = false;
247 }
248
249 return _idKey;
250 }
251
252 /*!
253 Returns true if this string \a rs1 is equal to string \a rs2;
254 otherwise returns false.
255 */
256 bool operator==(const RichString &rs1, const RichString &rs2)
257 {
258 if (rs1.fragmentCount() != rs2.fragmentCount())
259 return false;
260
261 return rs1.d->idKey() == rs2.d->idKey();
262 }
263
264 /*!
265 Returns true if this string \a rs1 is not equal to string \a rs2;
266 otherwise returns false.
267 */
268 bool operator!=(const RichString &rs1, const RichString &rs2)
269 {
270 if (rs1.fragmentCount() != rs2.fragmentCount())
271 return true;
272
273 return rs1.d->idKey() != rs2.d->idKey();
274 }
275
276 /*!
277 * \internal
278 */
279 bool operator<(const RichString &rs1, const RichString &rs2)
280 {
281 return rs1.d->idKey() < rs2.d->idKey();
282 }
283
284 /*!
285 \overload
286 Returns true if this string \a rs1 is equal to string \a rs2;
287 otherwise returns false.
288 */
289 bool operator ==(const RichString &rs1, const QString &rs2)
290 {
291 if (rs1.fragmentCount() == 1 && rs1.fragmentText(0) == rs2) //format == 0
292 return true;
293
294 return false;
295 }
296
297 /*!
298 \overload
299 Returns true if this string \a rs1 is not equal to string \a rs2;
300 otherwise returns false.
301 */
302 bool operator !=(const RichString &rs1, const QString &rs2)
303 {
304 if (rs1.fragmentCount() == 1 && rs1.fragmentText(0) == rs2) //format == 0
305 return false;
306
307 return true;
308 }
309
310 /*!
311 \overload
312 Returns true if this string \a rs1 is equal to string \a rs2;
313 otherwise returns false.
314 */
315 bool operator ==(const QString &rs1, const RichString &rs2)
316 {
317 return rs2 == rs1;
318 }
319
320 /*!
321 \overload
322 Returns true if this string \a rs1 is not equal to string \a rs2;
323 otherwise returns false.
324 */
325 bool operator !=(const QString &rs1, const RichString &rs2)
326 {
327 return rs2 != rs1;
328 }
329
330 uint qHash(const RichString &rs, uint seed) Q_DECL_NOTHROW
331 {
332 return qHash(rs.d->idKey(), seed);
333 }
334
335 #ifndef QT_NO_DEBUG_STREAM
336 QDebug operator<<(QDebug dbg, const RichString &rs)
337 {
338 dbg.nospace() << "QXlsx::RichString(" << rs.d->fragmentTexts << ")";
339 return dbg.space();
340 }
341 #endif
342
343 QT_END_NAMESPACE_XLSX
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