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
|
/* File: gui_file_action.c; Copyright and License: see below */
#include "gui_file_action.h"
#include "u8/u8_error_info.h"
#include "u8/u8_trace.h"
#ifndef NDEBUG
#include "u8stream/universal_stream_output_stream.h"
#include "utf8stream/utf8stream_writer.h"
#endif /* not NDEBUG */
#include "gui_gtk.h"
#include <stdio.h>
#include <stdbool.h>
#include <assert.h>
void gui_file_action_init( gui_file_action_t *this_,
ctrl_controller_t *controller,
io_data_file_t *data_file,
gui_simple_message_to_user_t *message_to_user )
{
U8_TRACE_BEGIN();
assert( NULL != controller );
assert( NULL != data_file );
assert( NULL != message_to_user );
(*this_).controller = controller;
(*this_).data_file = data_file;
(*this_).message_to_user = message_to_user;
U8_TRACE_END();
}
void gui_file_action_destroy( gui_file_action_t *this_ )
{
U8_TRACE_BEGIN();
(*this_).controller = NULL;
(*this_).data_file = NULL;
(*this_).message_to_user = NULL;
U8_TRACE_END();
}
u8_error_t gui_file_action_use_db( gui_file_action_t *this_, const char *filename )
{
U8_TRACE_BEGIN();
if ( io_data_file_is_open( (*this_).data_file ) )
{
const u8_error_t close_err = io_data_file_close( (*this_).data_file );
if ( close_err != U8_ERROR_NONE )
{
U8_LOG_ERROR( "Closing the database was not possible" );
U8_TRACE_INFO_STR( "Closing the database was not possible:", io_data_file_get_filename_const( (*this_).data_file ) );
}
}
/* react immediately */
gui_simple_message_to_user_show_message_with_name( (*this_).message_to_user,
GUI_SIMPLE_MESSAGE_TYPE_INFO,
GUI_SIMPLE_MESSAGE_CONTENT_LOADING_WAIT,
filename
);
bool events_handled = true;
for ( uint_fast8_t max_loop = 40; events_handled && ( max_loop > 0 ); max_loop-- )
{
events_handled = g_main_context_iteration( NULL, /*may_block*/ FALSE );
}
u8_error_info_t err_info;
const u8_error_t error = io_data_file_open_writeable ( (*this_).data_file, filename, &err_info );
if ( U8_ERROR_NONE == error )
{
/* ensure that at least one diagram exists - otherwise the first window looks a bit empty */
ctrl_diagram_controller_t *diag_control;
diag_control = ctrl_controller_get_diagram_control_ptr( (*this_).controller );
ctrl_diagram_controller_create_root_diagram_if_not_exists( diag_control,
DATA_DIAGRAM_TYPE_UML_USE_CASE_DIAGRAM,
"New Diagram",
NULL
);
/* remove the loading message if not overwritten: */
if ( GUI_SIMPLE_MESSAGE_TYPE_INFO == gui_simple_message_to_user_get_type_id( (*this_).message_to_user ) )
{
gui_simple_message_to_user_hide( (*this_).message_to_user );
}
}
else if ( U8_ERROR_NO_DB == error )
{
/* Most likely the parent directory of database is read only */
gui_simple_message_to_user_show_message_with_name( (*this_).message_to_user,
GUI_SIMPLE_MESSAGE_TYPE_ERROR,
GUI_SIMPLE_MESSAGE_CONTENT_DB_FILE_NOT_CREATEABLE,
filename
);
}
else
{
if ( u8_error_info_is_error( &err_info ) )
{
gui_simple_message_to_user_show_error_info( (*this_).message_to_user, &err_info );
}
else if ( io_data_file_is_open( (*this_).data_file ) )
{
gui_simple_message_to_user_show_message_with_name( (*this_).message_to_user,
GUI_SIMPLE_MESSAGE_TYPE_WARNING,
GUI_SIMPLE_MESSAGE_CONTENT_DB_FILE_OPENED_WITH_ERROR,
filename
);
}
else
{
gui_simple_message_to_user_show_message_with_name( (*this_).message_to_user,
GUI_SIMPLE_MESSAGE_TYPE_ERROR,
GUI_SIMPLE_MESSAGE_CONTENT_DB_FILE_NOT_OPENED,
filename
);
}
}
U8_TRACE_END_ERR( error );
return error;
}
u8_error_t gui_file_action_save( gui_file_action_t *this_ )
{
U8_TRACE_BEGIN();
u8_error_t err = U8_ERROR_NONE;
u8_error_t d_err;
d_err = U8_ERROR_NONE;
d_err |= io_data_file_trace_stats( (*this_).data_file );
d_err |= io_data_file_sync_to_disk( (*this_).data_file );
d_err |= io_data_file_trace_stats( (*this_).data_file );
if ( U8_ERROR_NONE != d_err )
{
gui_simple_message_to_user_show_message( (*this_).message_to_user,
GUI_SIMPLE_MESSAGE_TYPE_WARNING,
GUI_SIMPLE_MESSAGE_CONTENT_DB_FILE_WRITE_ERROR
);
}
else
{
gui_simple_message_to_user_show_message_with_name( (*this_).message_to_user,
GUI_SIMPLE_MESSAGE_TYPE_INFO,
GUI_SIMPLE_MESSAGE_CONTENT_DB_FILE_WRITTEN,
io_data_file_get_filename_const( (*this_).data_file )
);
#ifndef NDEBUG
/* in debug mode, also check consistency of database */
universal_stream_output_stream_t out_stream;
universal_stream_output_stream_init( &out_stream, stdout );
universal_output_stream_t *const out_base = universal_stream_output_stream_get_output_stream( &out_stream );
utf8stream_writer_t out_report;
utf8stream_writer_init( &out_report, out_base );
uint32_t found_errors;
uint32_t fixed_errors;
ctrl_controller_repair_database( (*this_).controller,
false /* no repair, just test */,
&found_errors,
&fixed_errors,
&out_report
);
if (( found_errors != 0 ) || ( fixed_errors != 0 ))
{
gui_simple_message_to_user_show_message_with_quantity( (*this_).message_to_user,
GUI_SIMPLE_MESSAGE_TYPE_ERROR,
GUI_SIMPLE_MESSAGE_CONTENT_DB_INCONSISTENT,
found_errors
);
}
utf8stream_writer_destroy( &out_report );
universal_stream_output_stream_destroy( &out_stream );
#endif
}
U8_TRACE_END_ERR( err );
return err;
}
/*
Copyright 2016-2025 Andreas Warnke
Licensed 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
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
|
