コード例 #1
0
ファイル: tagModel.py プロジェクト: j-kallwies/IKnow
    def __init__(self, db):
        super(TagModel, self).__init__(None, db)
        self.setTable("tags")
        self.select()
        logging.debug("%d rows in TagModel" % self.rowCount())

        self.tagParentsModel = TagParentsModel(db)

        self.tree = MultiParentTree()
        self.updateTree()
コード例 #2
0
ファイル: tagModel.py プロジェクト: j-kallwies/IKnow
    def updateTree(self, filterIDs=None):
        self.tree = MultiParentTree()

        self.setFilter(getFilterFromIDs(filterIDs, "ID"))
        self.select()
        logging.debug("FILTER=" + self.filter())
        logging.debug("self.rowCount()=%d" % self.rowCount())
        for i in range(self.rowCount()):
            ID = self.record(i).value("ID")
            tag = self.record(i).value("name")
            logging.debug("ID=%d" % ID)
            logging.debug("tag=%s" % tag)
            self.tree.insertElement(ID, tag)

        self.tagParentsModel.setFilter(getFilterFromIDs(filterIDs, "tagID"))
        self.tagParentsModel.select()
        for i in range(self.tagParentsModel.rowCount()):
            parentID = self.tagParentsModel.record(i).value("parentTagID")
            childID = self.tagParentsModel.record(i).value("tagID")
            self.tree.setRelationship(parentID, childID)
コード例 #3
0
ファイル: tagModel.py プロジェクト: j-kallwies/IKnow
class TagModel(QtSql.QSqlTableModel):
    def __init__(self, db):
        super(TagModel, self).__init__(None, db)
        self.setTable("tags")
        self.select()
        logging.debug("%d rows in TagModel" % self.rowCount())

        self.tagParentsModel = TagParentsModel(db)

        self.tree = MultiParentTree()
        self.updateTree()

    def addTag(self, name):
        self.setFilter("")
        self.setSort(0, QtCore.Qt.SortOrder.AscendingOrder)
        self.select()

        record = QtSql.QSqlRecord()
        record.append(QtSql.QSqlField("ID"))
        record.append(QtSql.QSqlField("name"))
        record.setValue(1, name)
        if not self.insertRecord(self.rowCount() - 1, record):
            raise "Tag could not be inserted."
        newID = int(self.record(self.rowCount() - 1).value(0))
        logging.debug("newID=%d" % newID)

        return newID

    def removeTag(self, ID):
        self.setFilter("ID=%d" % ID)
        self.select()
        logging.debug("removeTag: self.rowCount()=%d" % self.rowCount())
        if self.rowCount() == 1:
            self.removeRow(0)

    def getTagNameFromID(self, ID):
        elem = self.tree.getElementByID(ID)
        if elem is not None:
            return elem.data

    def hasID(self, ID):
        return self.tree.hasID(ID)

    def getChildIDs(self, ID, filterIDs=None):
        #TODO: Implement filter
        logging.debug("getChildIDs(%d)" % ID)
        if not self.tree.hasID(ID):
            return []
        return self.tree.getElementByID(ID).getChildIDs()

    def getAllChildIDs(self, ID):
        childIDs = self.getChildIDs(ID)
        allChildIDs = childIDs
        for childID in childIDs:
            allChildIDs.extend(self.getAllChildIDs(childID))
        return allChildIDs

    def fillTreeWidgetWithTags(self, treeWidget, checkable=False, IDstoCheck=set(), filterIDs=None):
        self.updateTree(filterIDs)

        # Insert root tags
        rootTags = self.getRootTags(filterIDs)
        logging.debug("rootTags=%s" % str(rootTags))
        for rootID in sorted(rootTags.keys(), reverse=True):
            newElem = QtGui.QTreeWidgetItem([rootTags[rootID], str(rootID)])
            if checkable:
                newElem.setFlags(newElem.flags() | QtCore.Qt.ItemIsUserCheckable)
                newElem.setCheckState(0, QtCore.Qt.Checked)
                if rootID not in IDstoCheck:
                    newElem.setCheckState(0, QtCore.Qt.Unchecked)
                else:
                    self.expandDownToRoot(newElem)
            treeWidget.insertTopLevelItem(0, newElem)
            self.insertChildTags(rootID, newElem, checkable, IDstoCheck, filterIDs)

    def insertChildTags(self, ID, treeWidgetItem, checkable, IDstoCheck, filterIDs):
        if not self.hasID(ID):
            return

        childTags = self.getChildTags(ID, filterIDs)
        logging.debug(self.getTagNameFromID(ID) + ": " + str(childTags))
        for childID in childTags.keys():
            if self.hasID(childID):
                newElem = QtGui.QTreeWidgetItem(treeWidgetItem, [self.getTagNameFromID(childID), str(childID)])
                if checkable:
                    newElem.setFlags(newElem.flags() | QtCore.Qt.ItemIsUserCheckable)
                    newElem.setCheckState(0, QtCore.Qt.Checked)
                    if childID not in IDstoCheck:
                        newElem.setCheckState(0, QtCore.Qt.Unchecked)
                    else:
                        self.expandDownToRoot(newElem)
                if self.hasChildTags(childID):
                    self.insertChildTags(childID, newElem, checkable, IDstoCheck, filterIDs)

    def expandDownToRoot(self, treeWidgetItem):
        treeWidgetItem.setExpanded(True)
        if treeWidgetItem.parent() is not None:
            self.expandDownToRoot(treeWidgetItem.parent())

    def getRootTags(self, filterIDs):
        #TODO: Implement filter
        return self.tree.getRootElementsDict()

    def getChildTags(self, ID, filterIDs=None):
        #TODO: Implement filter
        return self.tree.getElementByID(ID).getChildDict()

    def hasChildTags(self, ID):
        return self.tree.getElementByID(ID).hasParents()

    def getIDsFilteredByName(self, name):
        self.setFilter('name LIKE "%' + name + '%"')
        self.select()
        logging.debug("Found %d tags with name %s" % (self.rowCount(), name))
        IDs = [self.record(i).value("ID") for i in range(self.rowCount())]
        return IDs

    def getParentIDs(self, ID):
        if self.tree.getElementByID(ID) is not None:
            return self.tree.getElementByID(ID).getParentIDs()
        else:
            return []

    def getParentIDsDownToRoot(self, ID):
        allParentIDs = []
        if self.tree.getElementByID(ID) is not None:
            allParentIDs = self.tree.getElementByID(ID).getParentIDs()
            for parentID in allParentIDs:
                allParentIDs.extend(self.getParentIDsDownToRoot(parentID))
        return allParentIDs

    def getParentsTags(self, tagID):
        self.tree.getElementByID(tagID).getParentIDs()

    def updateTree(self, filterIDs=None):
        self.tree = MultiParentTree()

        self.setFilter(getFilterFromIDs(filterIDs, "ID"))
        self.select()
        logging.debug("FILTER=" + self.filter())
        logging.debug("self.rowCount()=%d" % self.rowCount())
        for i in range(self.rowCount()):
            ID = self.record(i).value("ID")
            tag = self.record(i).value("name")
            logging.debug("ID=%d" % ID)
            logging.debug("tag=%s" % tag)
            self.tree.insertElement(ID, tag)

        self.tagParentsModel.setFilter(getFilterFromIDs(filterIDs, "tagID"))
        self.tagParentsModel.select()
        for i in range(self.tagParentsModel.rowCount()):
            parentID = self.tagParentsModel.record(i).value("parentTagID")
            childID = self.tagParentsModel.record(i).value("tagID")
            self.tree.setRelationship(parentID, childID)