summaryrefslogtreecommitdiffstats
path: root/kmail/simplestringlisteditor.cpp
blob: b0602428f036bb465d1086866be27c189f178cb4 (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
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
/*  -*- mode: C++; c-file-style: "gnu" -*-
    simplestringlisteditor.cpp

    This file is part of KMail, the KDE mail client.
    Copyright (c) 2001 Marc Mutz <mutz@kde.org>

    KMail is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License, version 2, as
    published by the Free Software Foundation.

    KMail 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

    In addition, as a special exception, the copyright holders give
    permission to link the code of this program with any edition of
    the TQt library by Trolltech AS, Norway (or with modified versions
    of TQt that use the same license as TQt), and distribute linked
    combinations including the two.  You must obey the GNU General
    Public License in all respects for all of the code used other than
    TQt.  If you modify this file, you may extend this exception to
    your version of the file, but you are not obligated to do so.  If
    you do not wish to do so, delete this exception statement from
    your version.
*/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "simplestringlisteditor.h"

#include <kinputdialog.h>
#include <kiconloader.h>
#include <tdelocale.h>
#include <kdebug.h>
#include <kpushbutton.h>

#include <tqlayout.h>


//********************************************************
// SimpleStringListEditor
//********************************************************

// small helper function:
static inline TQListBoxItem * findSelectedItem( TQListBox * lb ) {
  TQListBoxItem * item = 0;
  for ( item = lb->firstItem() ; item && !item->isSelected() ;
	item = item->next() ) ;
  return item;
}

SimpleStringListEditor::SimpleStringListEditor( TQWidget * parent,
						const char * name,
						ButtonCode buttons,
						const TQString & addLabel,
						const TQString & removeLabel,
						const TQString & modifyLabel,
						const TQString & addDialogLabel )
  : TQWidget( parent, name ),
    mAddButton(0), mRemoveButton(0), mModifyButton(0),
    mUpButton(0), mDownButton(0),
    mAddDialogLabel( addDialogLabel.isEmpty() ?
		     i18n("New entry:") : addDialogLabel )
{
  TQHBoxLayout * hlay = new TQHBoxLayout( this, 0, KDialog::spacingHint() );

  mListBox = new TQListBox( this );
  hlay->addWidget( mListBox, 1 );

  if ( buttons == None )
    kdDebug(5006) << "SimpleStringListBox called with no buttons. "
      "Consider using a plain TQListBox instead!" << endl;

  TQVBoxLayout * vlay = new TQVBoxLayout( hlay ); // inherits spacing

  if ( buttons & Add ) {
    if ( addLabel.isEmpty() )
      mAddButton = new TQPushButton( i18n("&Add..."), this );
    else
      mAddButton = new TQPushButton( addLabel, this );
    mAddButton->setAutoDefault( false );
    vlay->addWidget( mAddButton );
    connect( mAddButton, TQT_SIGNAL(clicked()),
	     this, TQT_SLOT(slotAdd()) );
  }

  if ( buttons & Remove ) {
    if ( removeLabel.isEmpty() )
      mRemoveButton = new TQPushButton( i18n("&Remove"), this );
    else
      mRemoveButton = new TQPushButton( removeLabel, this );
    mRemoveButton->setAutoDefault( false );
    mRemoveButton->setEnabled( false ); // no selection yet
    vlay->addWidget( mRemoveButton );
    connect( mRemoveButton, TQT_SIGNAL(clicked()),
	     this, TQT_SLOT(slotRemove()) );
  }

  if ( buttons & Modify ) {
    if ( modifyLabel.isEmpty() )
      mModifyButton = new TQPushButton( i18n("&Modify..."), this );
    else
      mModifyButton = new TQPushButton( modifyLabel, this );
    mModifyButton->setAutoDefault( false );
    mModifyButton->setEnabled( false ); // no selection yet
    vlay->addWidget( mModifyButton );
    connect( mModifyButton, TQT_SIGNAL(clicked()),
	     this, TQT_SLOT(slotModify()) );
    connect( mListBox, TQT_SIGNAL( doubleClicked( TQListBoxItem* ) ),
             this, TQT_SLOT( slotModify() ) );
  }

  if ( buttons & Up ) {
    if ( !(buttons & Down) )
      kdDebug(5006) << "Are you sure you want to use an Up button "
	"without a Down button??" << endl;
    mUpButton = new KPushButton( TQString(), this );
    mUpButton->setIconSet( BarIconSet( "up", TDEIcon::SizeSmall ) );
    mUpButton->setAutoDefault( false );
    mUpButton->setEnabled( false ); // no selection yet
    vlay->addWidget( mUpButton );
    connect( mUpButton, TQT_SIGNAL(clicked()),
	     this, TQT_SLOT(slotUp()) );
  }

  if ( buttons & Down ) {
    if ( !(buttons & Up) )
      kdDebug(5006) << "Are you sure you want to use a Down button "
	"without an Up button??" << endl;
    mDownButton = new KPushButton( TQString(), this );
    mDownButton->setIconSet( BarIconSet( "down", TDEIcon::SizeSmall ) );
    mDownButton->setAutoDefault( false );
    mDownButton->setEnabled( false ); // no selection yet
    vlay->addWidget( mDownButton );
    connect( mDownButton, TQT_SIGNAL(clicked()),
	     this, TQT_SLOT(slotDown()) );
  }

  vlay->addStretch( 1 ); // spacer

  connect( mListBox, TQT_SIGNAL(selectionChanged()),
	   this, TQT_SLOT(slotSelectionChanged()) );
}

void SimpleStringListEditor::setStringList( const TQStringList & strings ) {
  mListBox->clear();
  mListBox->insertStringList( strings );
}

void SimpleStringListEditor::appendStringList( const TQStringList & strings ) {
  mListBox->insertStringList( strings );
}

TQStringList SimpleStringListEditor::stringList() const {
  TQStringList result;
  for ( TQListBoxItem * item = mListBox->firstItem() ;
	item ; item = item->next() )
    result << item->text();
  return result;
}

bool SimpleStringListEditor::containsString( const TQString & str ) {
  for ( TQListBoxItem * item = mListBox->firstItem() ;
	item ; item = item->next() ) {
    if ( item->text() == str )
      return true;
  }
  return false;
}

void SimpleStringListEditor::setButtonText( ButtonCode button,
					    const TQString & text ) {
  switch ( button ) {
  case Add:
    if ( !mAddButton ) break;
    mAddButton->setText( text );
    return;
  case Remove:
    if ( !mRemoveButton ) break;
    mRemoveButton->setText( text );
    return;
  case Modify:
    if ( !mModifyButton ) break;
    mModifyButton->setText( text );
    return;
  case Up:
  case Down:
    kdDebug(5006) << "SimpleStringListEditor: Cannot change text of "
      "Up and Down buttons: they don't contains text!" << endl;
    return;
  default:
    if ( button & All )
      kdDebug(5006) << "SimpleStringListEditor::setButtonText: No such button!"
		    << endl;
    else
      kdDebug(5006) << "SimpleStringListEditor::setButtonText: Can only set "
	"text for one button at a time!" << endl;
    return;
  }

  kdDebug(5006) << "SimpleStringListEditor::setButtonText: the requested "
    "button has not been created!" << endl;
}

void SimpleStringListEditor::slotAdd() {
  bool ok = false;
  TQString newEntry = KInputDialog::getText( i18n("New Value"),
                                            mAddDialogLabel, TQString(),
					    &ok, this );
  // let the user verify the string before adding
  emit aboutToAdd( newEntry );
  if ( ok && !newEntry.isEmpty() && !containsString( newEntry )) {
      mListBox->insertItem( newEntry );
      emit changed();
  }
}

void SimpleStringListEditor::slotRemove() {
  delete findSelectedItem( mListBox ); // delete 0 is well-behaved...
  emit changed();
}

void SimpleStringListEditor::slotModify() {
  TQListBoxItem * item = findSelectedItem( mListBox );
  if ( !item ) return;

  bool ok = false;
  TQString newText = KInputDialog::getText( i18n("Change Value"),
                                           mAddDialogLabel, item->text(),
					   &ok, this );
  emit aboutToAdd( newText );
  if ( !ok || newText.isEmpty() || newText == item->text() ) return;

  int index = mListBox->index( item );
  delete item;
  mListBox->insertItem( newText, index );
  mListBox->setCurrentItem( index );
  emit changed();
}

void SimpleStringListEditor::slotUp() {
  TQListBoxItem * item = findSelectedItem( mListBox );
  if ( !item || !item->prev() ) return;

  // find the item that we want to insert after:
  TQListBoxItem * pprev = item->prev()->prev();
  // take the item from it's current position...
  mListBox->takeItem( item );
  // ...and insert it after the above mentioned item:
  mListBox->insertItem( item, pprev );
  // make sure the old item is still the current one:
  mListBox->setCurrentItem( item );
  // enable and disable controls:
  if ( mRemoveButton )
    mRemoveButton->setEnabled( true );
  if ( mModifyButton )
    mModifyButton->setEnabled( true );
  if ( mUpButton )
    mUpButton->setEnabled( item->prev() );
  if ( mDownButton )
    mDownButton->setEnabled( true );
  emit changed();
}

void SimpleStringListEditor::slotDown() {
  TQListBoxItem * item  = findSelectedItem( mListBox );
  if ( !item || !item->next() ) return;

  // find the item that we want to insert after:
  TQListBoxItem * next = item->next();
  // take the item from it's current position...
  mListBox->takeItem( item );
  // ...and insert it after the above mentioned item:
  if ( next )
    mListBox->insertItem( item, next );
  else
    mListBox->insertItem( item );
  // make sure the old item is still the current one:
  mListBox->setCurrentItem( item );
  // enable and disable controls:
  if ( mRemoveButton )
    mRemoveButton->setEnabled( true );
  if ( mModifyButton )
    mModifyButton->setEnabled( true );
  if ( mUpButton )
    mUpButton->setEnabled( true );
  if ( mDownButton )
    mDownButton->setEnabled( item->next() );
  emit changed();
}

void SimpleStringListEditor::slotSelectionChanged() {
  // try to find a selected item:
  TQListBoxItem * item = findSelectedItem( mListBox );

  // if there is one, item will be non-null (ie. true), else 0
  // (ie. false):
  if ( mRemoveButton )
    mRemoveButton->setEnabled( item );
  if ( mModifyButton )
    mModifyButton->setEnabled( item );
  if ( mUpButton )
    mUpButton->setEnabled( item && item->prev() );
  if ( mDownButton )
    mDownButton->setEnabled( item && item->next() );
}



#include "simplestringlisteditor.moc"