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
|
/*
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.
*/
#include <QSqlDatabase>
#include <QSqlQuery>
#include "mappingtreemodel.h"
#include "smtreeitem.h"
MappingTreeModel::MappingTreeModel(QStringList &headers, QObject *parent) : SmTreeModel(headers, parent), mType(-1) {
//init database
mDb = QSqlDatabase::database("treedb");
mTypesQ = new QSqlQuery(mDb);
mTypesQ->prepare("SELECT imappings_type_id, tmappings_type_name FROM mapppings_type");
getMappingTypes();
//prepare Queries
mTypeParentsQ = new QSqlQuery(mDb);
mTypeParentsQ->prepare("SELECT imapping_id, tmapping_name, tscreated FROM mappings WHERE imapping_id NOT IN (SELECT imapping_id FROM mappings_parents) AND imapping_type = :type");
mChildrenQ = new QSqlQuery(mDb);
mChildrenQ->prepare("SELECT mappings.imapping_id, mappings.tmapping_name, mappings.tscreated FROM mappings, mappings_parents WHERE mappings_parents.iparent_id = :id AND mappings.imapping_id = mappings_parents.imapping_id");
mUpdateTypeQ = new QSqlQuery(mDb);
mUpdateTypeQ->prepare("UPDATE mappings_type SET tmappings_type_name = :value WHERE imappings_type_id = :id");
mUpdateChildQ = new QSqlQuery(mDb);
mUpdateChildQ->prepare("UPDATE mappings SET tmapping_name = :value WHERE imapping_id = :id");
mAddMappingTypeQ = new QSqlQuery(mDb);
mAddMappingTypeQ->prepare("INSERT INTO mappings_type (tmappings_type_name) VALUES(:value)");
mDeleteMappingTypeQ = new QSqlQuery(mDb);
mDeleteMappingTypeQ->prepare("DELETE FROM mappings_type WHERE imappings_type_id = :id");
mAddChildQ = new QSqlQuery(mDb);
mAddChildQ->prepare("INSERT INTO mappings (tmapping_name, imapping_type) VALUES(:name, :type)");
mSelectChildQ = new QSqlQuery(mDb);
mSelectChildQ->prepare("SELECT imapping_id, tmapping_name, tscreated FROM mappings WHERE tmapping_name = :name AND imapping_type = :type");
mAddParentQ = new QSqlQuery(mDb);
mAddParentQ->prepare("INSERT INTO mappings_parents VALUES(:id, :parentid");
mDeleteChildQ = new QSqlQuery(mDb);
mDeleteChildQ->prepare("DELETE FROM mappings WHERE imapping_id = :id");
}
MappingTreeModel::~MappingTreeModel(){
delete mTypesQ;
delete mTypeParentsQ;
delete mChildrenQ;
delete mUpdateTypeQ;
delete mUpdateChildQ;
delete mAddMappingTypeQ;
delete mDeleteMappingTypeQ;
delete mAddChildQ;
delete mSelectChildQ;
delete mAddParentQ;
delete mDeleteChildQ;
mDb = QSqlDatabase();
}
QStringList MappingTreeModel::mappingTypeNames() const {
QStringList retval;
foreach(mappingType t, mMappingTypes){
retval << t.name.toString();
}
qSort(retval);
return retval;
}
int MappingTreeModel::mappingTypeIdFromName(const QVariant &name) const{
foreach(const mappingType t, mMappingTypes){
if(t.name == name){
return t.id.toInt();
}
}
return -1;
}
QString MappingTreeModel::mappingTypeNameFromId(int id) const{
foreach(const mappingType t, mMappingTypes){
if(t.id == id){
return t.name.toString();
}
}
return QString();
}
QVariant MappingTreeModel::data(const QModelIndex &index, int role) const{
if(!index.isValid()){
return QVariant();
}
SmTreeItem *item = itemAt(index);
if(role == NameRole){
return item->data(Name);
}
if(role == IdRole){
return item->data(Id);
}
if(role == AddedRole){
return item->data(Added);
}
return SmTreeModel::data(index, role);
}
bool MappingTreeModel::setData(const QModelIndex &index, const QVariant &value, int role){
if(!index.isValid()){
return false;
}
if(role == Qt::EditRole || role == NameRole){
mDb.transaction();
SmTreeItem *item = itemAt(index);
QSqlQuery *q = 0;
if(item == root()){
q = mUpdateTypeQ;
}else{
q = mUpdateChildQ;
}
q->bindValue(":value", value);
q->bindValue(":id", item->data(Id));
if(q->exec()){
item->setData(Name, value);
emit dataChanged(index, index);
mDb.commit();
return true;
}
mDb.rollback();
}
return false;
}
bool MappingTreeModel::addMappingType(const QString &type){
mAddMappingTypeQ->bindValue(":value", type);
mDb.transaction();
if(mAddMappingTypeQ->exec()){
mDb.commit();
getMappingTypes();
return true;
}
mDb.rollback();
return false;
}
bool MappingTreeModel::deleteMappingType(int typeId){
mDeleteMappingTypeQ->bindValue(":id", typeId);
mDb.transaction();
if(mDeleteMappingTypeQ->exec()){
mDb.commit();
getMappingTypes();
return true;
}
mDb.rollback();
return false;
}
bool MappingTreeModel::addChild(const QVariant &name, const QModelIndex &parent){
if(!parent.isValid()){
return false;
}
SmTreeItem *pItem = itemAt(parent);
mAddChildQ->bindValue(":name", name);
mAddChildQ->bindValue(":type", mType);
if(mAddChildQ->exec()){
mSelectChildQ->bindValue(":name", name);
mSelectChildQ->bindValue(":type", mType);
while(mSelectChildQ->next()){
QList<QVariant> newData;
newData << mSelectChildQ->value(1) << mSelectChildQ->value(0) << mSelectChildQ->value(2);
SmTreeItem *childItem = new SmTreeItem(newData, pItem);
pItem->appendChild(childItem);
mAddParentQ->bindValue(":id", childItem->data(Id));
mAddParentQ->bindValue(":parentid", pItem->data(Id));
mAddParentQ->exec();
emit dataChanged(parent, parent);
return true;
}
}
return false;
}
bool MappingTreeModel::deleteChild(const QModelIndex &idx){
if(!idx.isValid()){
return false;
}
SmTreeItem *item = itemAt(idx);
if(item->childCount() > 0){
return false;
}
mDeleteChildQ->bindValue(":id", item->data(Id));
if(mDeleteChildQ->exec()){
const QModelIndex &parent = idx.parent();
SmTreeItem *pItem = itemAt(parent);
pItem->removeChild(item->row());
emit dataChanged(parent, parent);
return true;
}
return false;
}
void MappingTreeModel::populate(){
if(mType == -1){
return;
}
// get nodes with root as parent
mTypeParentsQ->bindValue(":type", mType);
if(mTypeParentsQ->exec()){
SmTreeItem *rootItem = new SmTreeItem(NumFields);
rootItem->setData(Name, mappingTypeNameFromId(mType));
rootItem->setData(Id, mType);
//collect children recursive
while(mTypeParentsQ->next()){
QList<QVariant> childData;
childData << mTypeParentsQ->value(1) << mTypeParentsQ->value(0) << mTypeParentsQ->value(2);
SmTreeItem *childItem = new SmTreeItem(childData, rootItem);
rootItem->appendChild(childItem);
getChildrenRecursive(childItem);
}
setRoot(rootItem);
}
}
void MappingTreeModel::getMappingTypes(){
bool qRes = mTypesQ->exec();
if(qRes){
mMappingTypes.clear();
while(mTypesQ->next()){
mappingType t;
t.id = mTypesQ->value(0);
t.name = mTypesQ->value(1);
mMappingTypes << t;
}
emit mappingTypesChanged();
}
}
void MappingTreeModel::getChildrenRecursive(SmTreeItem *item){
mChildrenQ->bindValue(":id", item->data(Id));
if(mChildrenQ->exec()){
while(mChildrenQ->next()){
QList<QVariant> childData;
childData << mChildrenQ->value(1) << mChildrenQ->value(0) << mChildrenQ->value(2);
SmTreeItem *child = new SmTreeItem(childData, item);
item->appendChild(child);
getChildrenRecursive(child);
}
}
}
|
