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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "fltdlg.hxx"
#include "ids.hrc"
#include "fltdlg.hrc"
#include <com/sun/star/util/XStringWidth.hpp>
#include <cppuhelper/implbase1.hxx>
#include <unotools/localfilehelper.hxx>
#include <tools/urlobj.hxx>
#include <vcl/button.hxx>
#include <osl/mutex.hxx>
#include <vcl/svapp.hxx>
namespace uui
{
/*-************************************************************************************************************//**
@short initialize filter dialog with start values
@descr We set some neccessary information on these instance for later working and create internal structures.
After construction user should call "SetFilters()" and "SetURL()" to fill listbox with selectable filter
names and set file name of file, which should be used for selected filter.
@seealso method SetFilters()
@seealso method SetURL()
@param "pParentWindow" , parent window for dialog
@param "pResMgr" , resource manager
@return -
@onerror -
@threadsafe no
*//*-*************************************************************************************************************/
FilterDialog::FilterDialog( Window* pParentWindow ,
ResMgr* pResMgr )
: ModalDialog (pParentWindow, ResId( DLG_FILTER_SELECT, *pResMgr ) )
, m_ftURL (this, ResId( FT_URL, *pResMgr))
, m_lbFilters (this, ResId( LB_FILTERS, *pResMgr))
, m_btnOK (this, ResId( BTN_OK, *pResMgr))
, m_btnCancel (this, ResId( BTN_CANCEL, *pResMgr))
, m_btnHelp (this, ResId( BTN_HELP, *pResMgr))
, m_pFilterNames(NULL)
{
FreeResource();
}
/*-************************************************************************************************************//**
@short set file name on dialog control
@descr We convert given URL (it must be an URL!) into valid file name and show it on our dialog.
@seealso -
@param "sURL", URL for showing
@return -
@onerror -
@threadsafe no
*//*-*************************************************************************************************************/
void FilterDialog::SetURL( const String& sURL )
{
// convert it and use given pure string as fallback if conversion failed
m_ftURL.SetText( impl_buildUIFileName(sURL) );
}
/*-************************************************************************************************************//**
@short change list of filter names
@descr We save given pointer internal and use it to fill our listbox with given names.
Saved list pointer is used on method "AskForFilter()" too, to find user selected item
and return pointer into these list as result of operation.
So it's possible to call dialog again and again for different or same filter list
and ask user for his decision by best performance!
@attention Don't free memory of given list after this call till object will die ... or
you call "ChangeFilters( NULL )"! Then we forget it too.
@seealso method AskForFilter()
@param "pFilterNames", pointer to list of filter names, which should be used for later operations.
@return -
@onerror We clear list box and forget our currently set filter information completely!
@threadsafe no
*//*-*************************************************************************************************************/
void FilterDialog::ChangeFilters( const FilterNameList* pFilterNames )
{
m_pFilterNames = pFilterNames;
m_lbFilters.Clear();
if( m_pFilterNames != NULL )
{
for( FilterNameListPtr pItem = m_pFilterNames->begin();
pItem != m_pFilterNames->end() ;
++pItem )
{
m_lbFilters.InsertEntry( pItem->sUI );
}
}
}
/*-************************************************************************************************************//**
@short ask user for his decision
@descr We show the dialog and if user finish it with "OK" - we try to find selected item in internal saved
name list (which you must set in "ChangeFilters()"!). If we return sal_True as result, you can use out
parameter "pSelectedItem" as pointer into your FilterNameList to get selected item realy ...
but if we return sal_False ... user has cancel the dialog ... you should not do that. pSelectedItem isnt
set to any valid value then. We don't change them ...
@seealso method ChangeFilters()
@param "pSelectedItem", returns result of selection as pointer into set list of filter names
(valid for function return sal_True only!)
@return true => pSelectedItem parameter points into name list and represent use decision
false => use has cancelled dialog (pSelectedItem isnt valid then!)
@onerror We return false ... but don't change pSelectedItem!
@threadsafe no
*//*-*************************************************************************************************************/
bool FilterDialog::AskForFilter( FilterNameListPtr& pSelectedItem )
{
bool bSelected = sal_False;
if( m_pFilterNames != NULL )
{
if( ModalDialog::Execute() == RET_OK )
{
String sEntry = m_lbFilters.GetSelectEntry();
if( sEntry.Len() > 0 )
{
int nPos = m_lbFilters.GetSelectEntryPos();
if( nPos < (int)(m_pFilterNames->size()) )
{
pSelectedItem = m_pFilterNames->begin();
pSelectedItem += nPos;
bSelected = ( pSelectedItem != m_pFilterNames->end() );
}
}
}
}
return bSelected;
}
/*-************************************************************************************************************//**
@short helper class to calculate length of given string
@descr Instances of it can be used as callback for INetURLObject::getAbbreviated() method to build
short URLs to show it on GUI. We use in ctor set OutputDevice to call special VCL method ...
@seealso method OutputDevice::GetTextWidth()
@seealso method InetURLObject::getAbbreviated()
@param -
@return -
@onerror -
@threadsafe no
*//*-*************************************************************************************************************/
class StringCalculator : public ::cppu::WeakImplHelper1< ::com::sun::star::util::XStringWidth >
{
public:
StringCalculator( const OutputDevice* pDevice )
: m_pDevice( pDevice )
{
}
sal_Int32 SAL_CALL queryStringWidth( const OUString& sString ) throw( ::com::sun::star::uno::RuntimeException )
{
return (sal_Int32)(m_pDevice->GetTextWidth(String(sString)));
}
private:
const OutputDevice* m_pDevice;
};
/*-************************************************************************************************************//**
@short try to build short name of given URL to show it n GUI
@descr We detect type of given URL automaticly and build this short name depend on this type ...
If we couldnt make it right we return full given string without any changes ...
@seealso class LocalFileHelper
@seealso method InetURLObject::getAbbreviated()
@param "sName", file name
@return A short file name ...
@onerror We return given name without any changes.
@threadsafe no
*//*-*************************************************************************************************************/
String FilterDialog::impl_buildUIFileName( const String& sName )
{
OUString sShortName( sName );
if( ::utl::LocalFileHelper::ConvertURLToSystemPath( sName, sShortName ) == sal_True )
{
// it's a system file ... build short name by using osl functionality
}
else
{
// otherwise its really a url ... build short name by using INetURLObject
::com::sun::star::uno::Reference< ::com::sun::star::util::XStringWidth > xStringCalculator( new StringCalculator(&m_ftURL) );
if( xStringCalculator.is() == sal_True )
{
INetURLObject aBuilder ( sName );
Size aSize = m_ftURL.GetOutputSize();
sShortName = aBuilder.getAbbreviated( xStringCalculator, aSize.Width(), INetURLObject::DECODE_UNAMBIGUOUS );
}
}
return sShortName;
}
} // namespace uui
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
