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);
70 if ((*aIt)->groupName() == ModelAPI_ResultPart::group()) {
71 emit beforeTreeRebuild();
78 if (aCreated.length() == 0)
81 emit beforeTreeRebuild();
82 QTreeNodesList aNodes = myRoot->objectCreated(aCreated);
83 ModuleBase_ITreeNode* aParent;
85 QModelIndex aParentIndex1, aParentIndex2;
87 bool aRebuildAll = false;
88 bool isInserted = false;
90 foreach(ModuleBase_ITreeNode* aNode, aNodes) {
91 aObj = aNode->object();
92 aParent = aNode->parent();
93 if (aObj.get() && (aObj->groupName() == ModelAPI_Folder::group())) {
98 aRow = aParent->nodeRow(aNode);
99 aParentIndex1 = getParentIndex(aNode, 0);
100 aParentIndex2 = getParentIndex(aNode, 2);
101 insertRows(aRow, 1, aParentIndex1);
102 dataChanged(aParentIndex1, aParentIndex2);
113 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED)) {
114 std::shared_ptr<ModelAPI_ObjectDeletedMessage> aUpdMsg =
115 std::dynamic_pointer_cast<ModelAPI_ObjectDeletedMessage>(theMessage);
116 const std::list<std::pair<std::shared_ptr<ModelAPI_Document>, std::string>>& aMsgGroups =
118 QTreeNodesList aList;
119 std::list<std::pair<std::shared_ptr<ModelAPI_Document>, std::string>>::const_iterator aIt;
120 emit beforeTreeRebuild();
121 for (aIt = aMsgGroups.cbegin(); aIt != aMsgGroups.cend(); aIt++) {
122 aList.append(myRoot->objectsDeleted(aIt->first, aIt->second.c_str()));
124 // Remove obsolete nodes
125 QTreeNodesList aRemaining;
126 foreach(ModuleBase_ITreeNode* aNode, aList) {
127 if (myRoot->hasSubNode(aNode))
128 aRemaining.append(aNode);
130 // Update remaining nodes
131 foreach(ModuleBase_ITreeNode* aNode, aRemaining) {
133 aNode->parent()->update();
138 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED)) {
139 std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
140 std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
141 std::set<ObjectPtr> aObjects = aUpdMsg->objects();
143 QObjectPtrList aCreated;
144 std::set<ObjectPtr>::const_iterator aIt;
145 bool aRebuildAll = false;
146 emit beforeTreeRebuild();
147 for (aIt = aObjects.cbegin(); aIt != aObjects.cend(); aIt++) {
148 ObjectPtr aObj = (*aIt);
149 if (!aObj->isInHistory())
152 if (aObj->data()->isValid()) {
153 if (aObj->groupName() == ModelAPI_Folder::group()) {
157 aCreated.append(*aIt);
164 QSet<ModuleBase_ITreeNode*> aParents;
165 foreach(ObjectPtr aObj, aCreated) {
166 ModuleBase_ITreeNode* aNode = myRoot->subNode(aObj);
168 if (aNode->parent()) {
169 if (aNode->parent() == myRoot) {
171 aParents.insert(myRoot);
175 aNode = aNode->parent();
178 aParents.insert(aNode);
181 foreach(ModuleBase_ITreeNode* aNode, aParents) {
188 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_ORDER_UPDATED)) {
189 std::shared_ptr<ModelAPI_OrderUpdatedMessage> aUpdMsg =
190 std::dynamic_pointer_cast<ModelAPI_OrderUpdatedMessage>(theMessage);
191 if (aUpdMsg->reordered().get()) {
192 DocumentPtr aDoc = aUpdMsg->reordered()->document();
193 std::string aGroup = aUpdMsg->reordered()->group();
194 ModuleBase_ITreeNode* aNode = myRoot->findParent(aDoc, aGroup.c_str());
196 emit beforeTreeRebuild();
203 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_DOCUMENT_CHANGED)) {
204 DocumentPtr aDoc = ModelAPI_Session::get()->activeDocument();
205 ModuleBase_ITreeNode* aRoot = myRoot->findRoot(aDoc);
207 updateSubTree(aRoot);
210 else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY)) {
211 std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
212 std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
213 std::set<ObjectPtr> aObjects = aUpdMsg->objects();
215 QObjectPtrList aCreated;
216 std::set<ObjectPtr>::const_iterator aIt;
217 bool aRebuildAll = false;
218 for (aIt = aObjects.cbegin(); aIt != aObjects.cend(); aIt++) {
219 ObjectPtr aObj = (*aIt);
220 if (aObj->groupName() == ModelAPI_ResultField::group()) {
221 aCreated.append(aObj);
224 if (aCreated.length() == 0)
226 bool isInsert = false;
227 bool isRemove = false;
228 emit beforeTreeRebuild();
229 foreach(ObjectPtr aObj, aCreated) {
230 ModuleBase_ITreeNode* aNode = myRoot->subNode(aObj);
232 int aOldNb = aNode->childrenCount();
234 int aNewNb = aNode->childrenCount();
236 QModelIndex aFirstIdx = getIndex(aNode, 0);
237 QModelIndex aLastIdx = getIndex(aNode, 2);
239 if (aNewNb > aOldNb) {
240 insertRows(aOldNb - 1, aNewNb - aOldNb, aFirstIdx);
243 else if (aNewNb < aOldNb) {
245 removeRows(aNewNb - 1, aOldNb - aNewNb, aFirstIdx);
247 removeRows(0, aOldNb, aFirstIdx);
248 isRemove = aNewNb || aOldNb;
250 dataChanged(aFirstIdx, aLastIdx);
261 //******************************************************
262 void XGUI_DataModel::clear()
268 //******************************************************
269 void XGUI_DataModel::rebuildDataTree()
275 //******************************************************
276 ObjectPtr XGUI_DataModel::object(const QModelIndex& theIndex) const
278 if (theIndex.isValid()) {
279 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
280 return aNode->object();
285 //******************************************************
286 QModelIndex XGUI_DataModel::objectIndex(const ObjectPtr theObject, int theColumn) const
288 ModuleBase_ITreeNode* aNode = myRoot->subNode(theObject);
290 return getIndex(aNode, theColumn);
292 return QModelIndex();
295 //******************************************************
296 QVariant XGUI_DataModel::data(const QModelIndex& theIndex, int theRole) const
298 if (theIndex.isValid()) {
299 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
300 return aNode->data(theIndex.column(), theRole);
305 //******************************************************
306 QVariant XGUI_DataModel::headerData(int theSection, Qt::Orientation theOrient, int theRole) const
311 //******************************************************
312 int XGUI_DataModel::rowCount(const QModelIndex& theParent) const
314 ModuleBase_ITreeNode* aParentNode = (theParent.isValid()) ?
315 (ModuleBase_ITreeNode*)theParent.internalPointer() : myRoot;
316 return aParentNode->childrenCount();
319 //******************************************************
320 int XGUI_DataModel::columnCount(const QModelIndex& theParent) const
325 //******************************************************
326 QModelIndex XGUI_DataModel::index(int theRow, int theColumn, const QModelIndex &theParent) const
328 ModuleBase_ITreeNode* aParentNode = (theParent.isValid()) ?
329 (ModuleBase_ITreeNode*)theParent.internalPointer() : myRoot;
330 ModuleBase_ITreeNode* aSubNode = aParentNode->subNode(theRow);
332 return createIndex(theRow, theColumn, aSubNode);
335 //******************************************************
336 QModelIndex XGUI_DataModel::parent(const QModelIndex& theIndex) const
338 if (theIndex.isValid()) {
339 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
340 return getParentIndex(aNode, 1);
342 return QModelIndex();
345 //******************************************************
346 bool XGUI_DataModel::hasChildren(const QModelIndex& theParent) const
348 ModuleBase_ITreeNode* aParentNode = (theParent.isValid()) ?
349 (ModuleBase_ITreeNode*)theParent.internalPointer() : myRoot;
350 return aParentNode->childrenCount() > 0;
353 //******************************************************
354 bool XGUI_DataModel::insertRows(int theRow, int theCount, const QModelIndex& theParent)
356 beginInsertRows(theParent, theRow, theRow + theCount - 1);
360 //******************************************************
361 bool XGUI_DataModel::removeRows(int theRow, int theCount, const QModelIndex& theParent)
363 beginRemoveRows(theParent, theRow, theRow + theCount - 1);
367 //******************************************************
368 Qt::ItemFlags XGUI_DataModel::flags(const QModelIndex& theIndex) const
370 if (theIndex.isValid()) {
371 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
372 return aNode->flags(theIndex.column());
374 return Qt::ItemFlags();
378 //******************************************************
379 QModelIndex XGUI_DataModel::documentRootIndex(DocumentPtr theDoc, int theColumn) const
381 SessionPtr aSession = ModelAPI_Session::get();
382 DocumentPtr aRootDoc = aSession->moduleDocument();
383 if (theDoc == aRootDoc)
384 return QModelIndex();
386 ModuleBase_ITreeNode* aDocNode = 0;
387 foreach(ModuleBase_ITreeNode* aNode, myRoot->children()) {
388 if (aNode->document() == theDoc) {
394 return getIndex(aDocNode, theColumn);
396 return QModelIndex();
399 //******************************************************
400 bool XGUI_DataModel::hasHiddenState(const QModelIndex& theIndex)
402 if (theIndex.isValid()) {
403 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
404 return aNode->visibilityState() == ModuleBase_ITreeNode::Hidden;
409 //******************************************************
410 bool XGUI_DataModel::hasIndex(const QModelIndex& theIndex) const
412 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
413 return myRoot->hasSubNode(aNode);
416 //******************************************************
417 QModelIndex XGUI_DataModel::getParentIndex(ModuleBase_ITreeNode* theNode, int thCol) const
419 ModuleBase_ITreeNode* aParent = theNode->parent();
420 if (aParent == myRoot) {
421 return QModelIndex();
423 return getIndex(aParent, thCol);
427 //******************************************************
428 QModelIndex XGUI_DataModel::getIndex(ModuleBase_ITreeNode* theNode, int thCol) const
430 if (theNode == myRoot)
431 return QModelIndex();
432 int aRow = theNode->parent()->nodeRow(theNode);
433 return createIndex(aRow, thCol, theNode);
437 //******************************************************
438 void XGUI_DataModel::updateSubTree(ModuleBase_ITreeNode* theParent)
440 int aRows = theParent->childrenCount();
442 QModelIndex aParent = getIndex(theParent, 0);
443 QModelIndex aFirstIdx = aParent.child(0, 0);
444 QModelIndex aLastIdx = aParent.child(aRows - 1, 2);
445 dataChanged(aFirstIdx, aLastIdx);
450 //******************************************************
451 DocumentPtr XGUI_DataModel::document(const QModelIndex& theIndex) const
453 ModuleBase_ITreeNode* aNode = (ModuleBase_ITreeNode*)theIndex.internalPointer();
454 return aNode->document();
458 //******************************************************
459 bool XGUI_DataModel::hasNode(ModuleBase_ITreeNode* theNode) const
461 return myRoot->hasSubNode(theNode);