1 // Copyright (C) 2014-2017 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or
18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
21 #include "XGUI_DataModel.h"
22 #include "XGUI_ObjectsBrowser.h"
24 #include <ModuleBase_IconFactory.h>
25 #include <ModuleBase_ITreeNode.h>
27 #include <ModelAPI_Session.h>
28 #include <ModelAPI_ResultField.h>
30 #include <Config_FeatureMessage.h>
32 #include <Events_Loop.h>
38 // Constructor *************************************************
39 XGUI_DataModel::XGUI_DataModel(QObject* theParent) : QAbstractItemModel(theParent)//,
40 //myIsEventsProcessingBlocked(false)
42 XGUI_ObjectsBrowser* aOB = qobject_cast<XGUI_ObjectsBrowser*>(theParent);
43 myWorkshop = aOB->workshop();
45 Events_Loop* aLoop = Events_Loop::loop();
46 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_CREATED));
47 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_DELETED));
48 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
49 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_ORDER_UPDATED));
50 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_DOCUMENT_CHANGED));
51 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
54 XGUI_DataModel::~XGUI_DataModel()
59 //******************************************************
60 void XGUI_DataModel::processEvent(const std::shared_ptr<Events_Message>& theMessage)
62 if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED)) {
63 std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
64 std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
65 std::set<ObjectPtr> aObjects = aUpdMsg->objects();
66 QObjectPtrList aCreated;
67 std::set<ObjectPtr>::const_iterator aIt;
68 for (aIt = aObjects.cbegin(); aIt != aObjects.cend(); aIt++) {
69 if ((*aIt)->isInHistory())
70 aCreated.append(*aIt);
72 QTreeNodesList aNodes = myRoot->objectCreated(aCreated);
73 ModuleBase_ITreeNode* aParent;
75 QModelIndex aParentIndex1, aParentIndex2;
77 foreach(ModuleBase_ITreeNode* aNode, aNodes) {
78 aObj = aNode->object();
79 aParent = aNode->parent();
80 if (aObj.get() && (aObj->groupName() == ModelAPI_Folder::group())) {
85 aRow = aParent->nodeRow(aNode);
86 aParentIndex1 = getParentIndex(aNode, 0);
87 aParentIndex2 = getParentIndex(aNode, 2);
88 insertRows(aRow, 1, aParentIndex1);
89 dataChanged(aParentIndex1, aParentIndex2);
93 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED)) {
94 std::shared_ptr<ModelAPI_ObjectDeletedMessage> aUpdMsg =
95 std::dynamic_pointer_cast<ModelAPI_ObjectDeletedMessage>(theMessage);
96 const std::list<std::pair<std::shared_ptr<ModelAPI_Document>, std::string>>& aMsgGroups =
99 std::list<std::pair<std::shared_ptr<ModelAPI_Document>, std::string>>::const_iterator aIt;
100 for (aIt = aMsgGroups.cbegin(); aIt != aMsgGroups.cend(); aIt++) {
101 aList.append(myRoot->objectsDeleted(aIt->first, aIt->second.c_str()));
103 // Remove obsolete nodes
104 QTreeNodesList aRemaining;
105 foreach(ModuleBase_ITreeNode* aNode, aList) {
106 if (myRoot->hasSubNode(aNode))
107 aRemaining.append(aNode);
109 // Update remaining nodes
110 foreach(ModuleBase_ITreeNode* aNode, aRemaining) {
112 aNode->parent()->update();
116 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED)) {
117 std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
118 std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
119 std::set<ObjectPtr> aObjects = aUpdMsg->objects();
121 QObjectPtrList aCreated;
122 std::set<ObjectPtr>::const_iterator aIt;
123 bool aRebuildAll = false;
124 for (aIt = aObjects.cbegin(); aIt != aObjects.cend(); aIt++) {
125 ObjectPtr aObj = (*aIt);
126 if (!aObj->isInHistory())
129 if (aObj->data()->isValid()) {
130 if (aObj->groupName() == ModelAPI_Folder::group()) {
134 aCreated.append(*aIt);
142 foreach(ObjectPtr aObj, aCreated) {
143 ModuleBase_ITreeNode* aNode = myRoot->subNode(aObj);
147 QModelIndex aFirstIdx = getIndex(aNode, 0);
148 QModelIndex aLastIdx = getIndex(aNode, 2);
150 dataChanged(aFirstIdx, aLastIdx);
155 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_ORDER_UPDATED)) {
156 std::shared_ptr<ModelAPI_OrderUpdatedMessage> aUpdMsg =
157 std::dynamic_pointer_cast<ModelAPI_OrderUpdatedMessage>(theMessage);
158 if (aUpdMsg->reordered().get()) {
159 DocumentPtr aDoc = aUpdMsg->reordered()->document();
160 std::string aGroup = aUpdMsg->reordered()->group();
161 ModuleBase_ITreeNode* aNode = myRoot->findParent(aDoc, aGroup.c_str());
168 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_DOCUMENT_CHANGED)) {
169 DocumentPtr aDoc = ModelAPI_Session::get()->activeDocument();
170 ModuleBase_ITreeNode* aRoot = myRoot->findRoot(aDoc);
172 updateSubTree(aRoot);
175 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY)) {
176 std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
177 std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
178 std::set<ObjectPtr> aObjects = aUpdMsg->objects();
180 QObjectPtrList aCreated;
181 std::set<ObjectPtr>::const_iterator aIt;
182 bool aRebuildAll = false;
183 for (aIt = aObjects.cbegin(); aIt != aObjects.cend(); aIt++) {
184 ObjectPtr aObj = (*aIt);
185 if (aObj->groupName() == ModelAPI_ResultField::group()) {
186 aCreated.append(aObj);
189 foreach(ObjectPtr aObj, aCreated) {
190 ModuleBase_ITreeNode* aNode = myRoot->subNode(aObj);
192 int aOldNb = aNode->childrenCount();
194 int aNewNb = aNode->childrenCount();
196 QModelIndex aFirstIdx = getIndex(aNode, 0);
197 QModelIndex aLastIdx = getIndex(aNode, 2);
199 if (aNewNb > aOldNb) {
200 insertRows(aOldNb - 1, aNewNb - aOldNb, aFirstIdx);
202 else if (aNewNb < aOldNb) {
204 removeRows(aNewNb - 1, aOldNb - aNewNb, aFirstIdx);
206 removeRows(0, aOldNb, aFirstIdx);
208 dataChanged(aFirstIdx, aLastIdx);
214 //******************************************************
215 void XGUI_DataModel::clear()
221 //******************************************************
222 void XGUI_DataModel::rebuildDataTree()
229 //******************************************************
230 ObjectPtr XGUI_DataModel::object(const QModelIndex& theIndex) const
232 if (theIndex.isValid()) {
233 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
234 return aNode->object();
239 //******************************************************
240 QModelIndex XGUI_DataModel::objectIndex(const ObjectPtr theObject, int theColumn) const
242 ModuleBase_ITreeNode* aNode = myRoot->subNode(theObject);
244 return getIndex(aNode, theColumn);
246 return QModelIndex();
249 //******************************************************
250 QVariant XGUI_DataModel::data(const QModelIndex& theIndex, int theRole) const
252 if (theIndex.isValid()) {
253 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
254 return aNode->data(theIndex.column(), theRole);
259 //******************************************************
260 QVariant XGUI_DataModel::headerData(int theSection, Qt::Orientation theOrient, int theRole) const
265 //******************************************************
266 int XGUI_DataModel::rowCount(const QModelIndex& theParent) const
268 ModuleBase_ITreeNode* aParentNode = (theParent.isValid()) ?
269 (ModuleBase_ITreeNode*)theParent.internalPointer() : myRoot;
270 return aParentNode->childrenCount();
273 //******************************************************
274 int XGUI_DataModel::columnCount(const QModelIndex& theParent) const
279 //******************************************************
280 QModelIndex XGUI_DataModel::index(int theRow, int theColumn, const QModelIndex &theParent) const
282 ModuleBase_ITreeNode* aParentNode = (theParent.isValid()) ?
283 (ModuleBase_ITreeNode*)theParent.internalPointer() : myRoot;
284 ModuleBase_ITreeNode* aSubNode = aParentNode->subNode(theRow);
286 return createIndex(theRow, theColumn, aSubNode);
289 //******************************************************
290 QModelIndex XGUI_DataModel::parent(const QModelIndex& theIndex) const
292 if (theIndex.isValid()) {
293 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
294 return getParentIndex(aNode, 1);
296 return QModelIndex();
299 //******************************************************
300 bool XGUI_DataModel::hasChildren(const QModelIndex& theParent) const
302 ModuleBase_ITreeNode* aParentNode = (theParent.isValid()) ?
303 (ModuleBase_ITreeNode*)theParent.internalPointer() : myRoot;
304 return aParentNode->childrenCount() > 0;
307 //******************************************************
308 bool XGUI_DataModel::insertRows(int theRow, int theCount, const QModelIndex& theParent)
310 beginInsertRows(theParent, theRow, theRow + theCount - 1);
315 //******************************************************
316 bool XGUI_DataModel::removeRows(int theRow, int theCount, const QModelIndex& theParent)
318 beginRemoveRows(theParent, theRow, theRow + theCount - 1);
323 //******************************************************
324 Qt::ItemFlags XGUI_DataModel::flags(const QModelIndex& theIndex) const
326 if (theIndex.isValid()) {
327 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
328 return aNode->flags(theIndex.column());
330 return Qt::ItemFlags();
334 //******************************************************
335 QModelIndex XGUI_DataModel::documentRootIndex(DocumentPtr theDoc, int theColumn) const
337 SessionPtr aSession = ModelAPI_Session::get();
338 DocumentPtr aRootDoc = aSession->moduleDocument();
339 if (theDoc == aRootDoc)
340 return QModelIndex();
342 ModuleBase_ITreeNode* aDocNode = 0;
343 foreach(ModuleBase_ITreeNode* aNode, myRoot->children()) {
344 if (aNode->document() == theDoc) {
350 return getIndex(aDocNode, theColumn);
352 return QModelIndex();
355 //******************************************************
356 bool XGUI_DataModel::hasHiddenState(const QModelIndex& theIndex)
358 if (theIndex.isValid()) {
359 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
360 return aNode->visibilityState() == ModuleBase_ITreeNode::Hidden;
365 //******************************************************
366 bool XGUI_DataModel::hasIndex(const QModelIndex& theIndex) const
368 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
369 return myRoot->hasSubNode(aNode);
372 //******************************************************
373 QModelIndex XGUI_DataModel::getParentIndex(ModuleBase_ITreeNode* theNode, int thCol) const
375 ModuleBase_ITreeNode* aParent = theNode->parent();
376 if (aParent == myRoot) {
377 return QModelIndex();
379 return getIndex(aParent, thCol);
383 //******************************************************
384 QModelIndex XGUI_DataModel::getIndex(ModuleBase_ITreeNode* theNode, int thCol) const
386 if (theNode == myRoot)
387 return QModelIndex();
388 int aRow = theNode->parent()->nodeRow(theNode);
389 return createIndex(aRow, thCol, theNode);
393 //******************************************************
394 void XGUI_DataModel::updateSubTree(ModuleBase_ITreeNode* theParent)
396 int aRows = theParent->childrenCount();
398 QModelIndex aParent = getIndex(theParent, 0);
399 QModelIndex aFirstIdx = aParent.child(0, 0);
400 QModelIndex aLastIdx = aParent.child(aRows - 1, 2);
401 dataChanged(aFirstIdx, aLastIdx);
406 //******************************************************
407 DocumentPtr XGUI_DataModel::document(const QModelIndex& theIndex) const
409 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
410 return aNode->document();