1 // Copyright (C) 2014-2019 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 email : webmaster.salome@opencascade.com
20 #include "XGUI_DataModel.h"
21 #include "XGUI_ObjectsBrowser.h"
23 #include <ModuleBase_IconFactory.h>
24 #include <ModuleBase_ITreeNode.h>
26 #include <ModelAPI_Session.h>
27 #include <ModelAPI_ResultField.h>
29 #include <Config_FeatureMessage.h>
31 #include <Events_Loop.h>
37 // Constructor *************************************************
38 XGUI_DataModel::XGUI_DataModel(QObject* theParent) : QAbstractItemModel(theParent)//,
39 //myIsEventsProcessingBlocked(false)
41 XGUI_ObjectsBrowser* aOB = qobject_cast<XGUI_ObjectsBrowser*>(theParent);
42 myWorkshop = aOB->workshop();
44 Events_Loop* aLoop = Events_Loop::loop();
45 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_CREATED));
46 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_DELETED));
47 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
48 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_ORDER_UPDATED));
49 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_DOCUMENT_CHANGED));
50 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
53 XGUI_DataModel::~XGUI_DataModel()
58 //******************************************************
59 void XGUI_DataModel::processEvent(const std::shared_ptr<Events_Message>& theMessage)
61 if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED)) {
62 std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
63 std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
64 std::set<ObjectPtr> aObjects = aUpdMsg->objects();
65 QObjectPtrList aCreated;
66 std::set<ObjectPtr>::const_iterator aIt;
67 for (aIt = aObjects.cbegin(); aIt != aObjects.cend(); aIt++) {
68 if ((*aIt)->isInHistory())
69 aCreated.append(*aIt);
71 QTreeNodesList aNodes = myRoot->objectCreated(aCreated);
72 ModuleBase_ITreeNode* aParent;
74 QModelIndex aParentIndex1, aParentIndex2;
76 foreach(ModuleBase_ITreeNode* aNode, aNodes) {
77 aObj = aNode->object();
78 aParent = aNode->parent();
79 if (aObj.get() && (aObj->groupName() == ModelAPI_Folder::group())) {
84 aRow = aParent->nodeRow(aNode);
85 aParentIndex1 = getParentIndex(aNode, 0);
86 aParentIndex2 = getParentIndex(aNode, 2);
87 insertRows(aRow, 1, aParentIndex1);
88 dataChanged(aParentIndex1, aParentIndex2);
92 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED)) {
93 std::shared_ptr<ModelAPI_ObjectDeletedMessage> aUpdMsg =
94 std::dynamic_pointer_cast<ModelAPI_ObjectDeletedMessage>(theMessage);
95 const std::list<std::pair<std::shared_ptr<ModelAPI_Document>, std::string>>& aMsgGroups =
98 std::list<std::pair<std::shared_ptr<ModelAPI_Document>, std::string>>::const_iterator aIt;
99 for (aIt = aMsgGroups.cbegin(); aIt != aMsgGroups.cend(); aIt++) {
100 aList.append(myRoot->objectsDeleted(aIt->first, aIt->second.c_str()));
102 // Remove obsolete nodes
103 QTreeNodesList aRemaining;
104 foreach(ModuleBase_ITreeNode* aNode, aList) {
105 if (myRoot->hasSubNode(aNode))
106 aRemaining.append(aNode);
108 // Update remaining nodes
109 foreach(ModuleBase_ITreeNode* aNode, aRemaining) {
111 aNode->parent()->update();
115 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED)) {
116 std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
117 std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
118 std::set<ObjectPtr> aObjects = aUpdMsg->objects();
120 QObjectPtrList aCreated;
121 std::set<ObjectPtr>::const_iterator aIt;
122 bool aRebuildAll = false;
123 for (aIt = aObjects.cbegin(); aIt != aObjects.cend(); aIt++) {
124 ObjectPtr aObj = (*aIt);
125 if (!aObj->isInHistory())
128 if (aObj->data()->isValid()) {
129 if (aObj->groupName() == ModelAPI_Folder::group()) {
133 aCreated.append(*aIt);
141 QSet<ModuleBase_ITreeNode*> aParents;
142 foreach(ObjectPtr aObj, aCreated) {
143 ModuleBase_ITreeNode* aNode = myRoot->subNode(aObj);
145 if (aNode->parent()) {
146 if (aNode->parent() == myRoot) {
148 aParents.insert(myRoot);
152 aNode = aNode->parent();
155 aParents.insert(aNode);
158 foreach(ModuleBase_ITreeNode* aNode, aParents) {
164 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_ORDER_UPDATED)) {
165 std::shared_ptr<ModelAPI_OrderUpdatedMessage> aUpdMsg =
166 std::dynamic_pointer_cast<ModelAPI_OrderUpdatedMessage>(theMessage);
167 if (aUpdMsg->reordered().get()) {
168 DocumentPtr aDoc = aUpdMsg->reordered()->document();
169 std::string aGroup = aUpdMsg->reordered()->group();
170 ModuleBase_ITreeNode* aNode = myRoot->findParent(aDoc, aGroup.c_str());
177 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_DOCUMENT_CHANGED)) {
178 DocumentPtr aDoc = ModelAPI_Session::get()->activeDocument();
179 ModuleBase_ITreeNode* aRoot = myRoot->findRoot(aDoc);
181 updateSubTree(aRoot);
184 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY)) {
185 std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
186 std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
187 std::set<ObjectPtr> aObjects = aUpdMsg->objects();
189 QObjectPtrList aCreated;
190 std::set<ObjectPtr>::const_iterator aIt;
191 bool aRebuildAll = false;
192 for (aIt = aObjects.cbegin(); aIt != aObjects.cend(); aIt++) {
193 ObjectPtr aObj = (*aIt);
194 if (aObj->groupName() == ModelAPI_ResultField::group()) {
195 aCreated.append(aObj);
198 foreach(ObjectPtr aObj, aCreated) {
199 ModuleBase_ITreeNode* aNode = myRoot->subNode(aObj);
201 int aOldNb = aNode->childrenCount();
203 int aNewNb = aNode->childrenCount();
205 QModelIndex aFirstIdx = getIndex(aNode, 0);
206 QModelIndex aLastIdx = getIndex(aNode, 2);
208 if (aNewNb > aOldNb) {
209 insertRows(aOldNb - 1, aNewNb - aOldNb, aFirstIdx);
211 else if (aNewNb < aOldNb) {
213 removeRows(aNewNb - 1, aOldNb - aNewNb, aFirstIdx);
215 removeRows(0, aOldNb, aFirstIdx);
217 dataChanged(aFirstIdx, aLastIdx);
223 //******************************************************
224 void XGUI_DataModel::clear()
230 //******************************************************
231 void XGUI_DataModel::rebuildDataTree()
238 //******************************************************
239 ObjectPtr XGUI_DataModel::object(const QModelIndex& theIndex) const
241 if (theIndex.isValid()) {
242 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
243 return aNode->object();
248 //******************************************************
249 QModelIndex XGUI_DataModel::objectIndex(const ObjectPtr theObject, int theColumn) const
251 ModuleBase_ITreeNode* aNode = myRoot->subNode(theObject);
253 return getIndex(aNode, theColumn);
255 return QModelIndex();
258 //******************************************************
259 QVariant XGUI_DataModel::data(const QModelIndex& theIndex, int theRole) const
261 if (theIndex.isValid()) {
262 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
263 return aNode->data(theIndex.column(), theRole);
268 //******************************************************
269 QVariant XGUI_DataModel::headerData(int theSection, Qt::Orientation theOrient, int theRole) const
274 //******************************************************
275 int XGUI_DataModel::rowCount(const QModelIndex& theParent) const
277 ModuleBase_ITreeNode* aParentNode = (theParent.isValid()) ?
278 (ModuleBase_ITreeNode*)theParent.internalPointer() : myRoot;
279 return aParentNode->childrenCount();
282 //******************************************************
283 int XGUI_DataModel::columnCount(const QModelIndex& theParent) const
288 //******************************************************
289 QModelIndex XGUI_DataModel::index(int theRow, int theColumn, const QModelIndex &theParent) const
291 ModuleBase_ITreeNode* aParentNode = (theParent.isValid()) ?
292 (ModuleBase_ITreeNode*)theParent.internalPointer() : myRoot;
293 ModuleBase_ITreeNode* aSubNode = aParentNode->subNode(theRow);
295 return createIndex(theRow, theColumn, aSubNode);
298 //******************************************************
299 QModelIndex XGUI_DataModel::parent(const QModelIndex& theIndex) const
301 if (theIndex.isValid()) {
302 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
303 return getParentIndex(aNode, 1);
305 return QModelIndex();
308 //******************************************************
309 bool XGUI_DataModel::hasChildren(const QModelIndex& theParent) const
311 ModuleBase_ITreeNode* aParentNode = (theParent.isValid()) ?
312 (ModuleBase_ITreeNode*)theParent.internalPointer() : myRoot;
313 return aParentNode->childrenCount() > 0;
316 //******************************************************
317 bool XGUI_DataModel::insertRows(int theRow, int theCount, const QModelIndex& theParent)
319 beginInsertRows(theParent, theRow, theRow + theCount - 1);
324 //******************************************************
325 bool XGUI_DataModel::removeRows(int theRow, int theCount, const QModelIndex& theParent)
327 beginRemoveRows(theParent, theRow, theRow + theCount - 1);
332 //******************************************************
333 Qt::ItemFlags XGUI_DataModel::flags(const QModelIndex& theIndex) const
335 if (theIndex.isValid()) {
336 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
337 return aNode->flags(theIndex.column());
339 return Qt::ItemFlags();
343 //******************************************************
344 QModelIndex XGUI_DataModel::documentRootIndex(DocumentPtr theDoc, int theColumn) const
346 SessionPtr aSession = ModelAPI_Session::get();
347 DocumentPtr aRootDoc = aSession->moduleDocument();
348 if (theDoc == aRootDoc)
349 return QModelIndex();
351 ModuleBase_ITreeNode* aDocNode = 0;
352 foreach(ModuleBase_ITreeNode* aNode, myRoot->children()) {
353 if (aNode->document() == theDoc) {
359 return getIndex(aDocNode, theColumn);
361 return QModelIndex();
364 //******************************************************
365 bool XGUI_DataModel::hasHiddenState(const QModelIndex& theIndex)
367 if (theIndex.isValid()) {
368 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
369 return aNode->visibilityState() == ModuleBase_ITreeNode::Hidden;
374 //******************************************************
375 bool XGUI_DataModel::hasIndex(const QModelIndex& theIndex) const
377 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
378 return myRoot->hasSubNode(aNode);
381 //******************************************************
382 QModelIndex XGUI_DataModel::getParentIndex(ModuleBase_ITreeNode* theNode, int thCol) const
384 ModuleBase_ITreeNode* aParent = theNode->parent();
385 if (aParent == myRoot) {
386 return QModelIndex();
388 return getIndex(aParent, thCol);
392 //******************************************************
393 QModelIndex XGUI_DataModel::getIndex(ModuleBase_ITreeNode* theNode, int thCol) const
395 if (theNode == myRoot)
396 return QModelIndex();
397 int aRow = theNode->parent()->nodeRow(theNode);
398 return createIndex(aRow, thCol, theNode);
402 //******************************************************
403 void XGUI_DataModel::updateSubTree(ModuleBase_ITreeNode* theParent)
405 int aRows = theParent->childrenCount();
407 QModelIndex aParent = getIndex(theParent, 0);
408 QModelIndex aFirstIdx = aParent.child(0, 0);
409 QModelIndex aLastIdx = aParent.child(aRows - 1, 2);
410 dataChanged(aFirstIdx, aLastIdx);
415 //******************************************************
416 DocumentPtr XGUI_DataModel::document(const QModelIndex& theIndex) const
418 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
419 return aNode->document();