#!/usr/bin/env python
#--!-- coding: utf8 --!--
 
from qt import *
from enums import *
from functions import *

class cmbOutlinePersoChoser(QComboBox):
    
    def __init__(self, parent=None):
        QComboBox.__init__(self, parent)
        self.activated[int].connect(self.submit)
        self._column = Outline.POV.value
        self._index = None
        self._indexes = None
        self._updating = False
        self._various = False
        
    def setModels(self, mdlPersos, mdlOutline):
        self.mdlPersos = mdlPersos
        self.mdlPersos.dataChanged.connect(self.updateItems)
        self.mdlOutline = mdlOutline
        self.mdlOutline.dataChanged.connect(self.update)
        self.updateItems()
        
    def updateItems(self):
        self.clear()
        self.addItem(QIcon.fromTheme("dialog-no"), self.tr("None"))
        
        l = [self.tr("Main"), self.tr("Secondary"), self.tr("Minor")]
        
        for importance in range(3):
            self.addItem(l[importance])
            self.setItemData(self.count()-1, QBrush(QColor(Qt.darkBlue)), Qt.ForegroundRole)
            self.setItemData(self.count()-1, QBrush(QColor(Qt.blue).lighter(190)), Qt.BackgroundRole)
            item = self.model().item(self.count()-1)
            item.setFlags(Qt.ItemIsEnabled)
            for i in range(self.mdlPersos.rowCount()):
                imp = toInt(self.mdlPersos.importance(i))
                
                if not 2-imp == importance: continue
            
                self.addItem(self.mdlPersos.icon(i), self.mdlPersos.name(i), self.mdlPersos.ID(i))
                self.setItemData(self.count() - 1, self.mdlPersos.name(i), Qt.ToolTipRole)
                
        
        self._various = False
        
        if self._index or self._indexes:
            self.updateSelectedItem()
        
    def setCurrentModelIndex(self, index):
        self._indexes = None
        if index.column() != self._column:
            index = index.sibling(index.row(), self._column)
        self._index = index
        self.updateItems()
            
    def setCurrentModelIndexes(self, indexes):
        self._index = None
        
        idxes = []
        for i in indexes:
            if i.isValid():
                if i.column() != self._column:
                    i = i.sibling(i.row(), self._column)
                idxes.append(i)
        
        if idxes != self._indexes:
            self._indexes = idxes
            self.updateItems()
        
    def update(self, topLeft, bottomRight):
        
        if self._updating:
            # We are currently putting data in the model, so no updates
            return
        
        if self._index:
            if topLeft.row() <= self._index.row() <= bottomRight.row():
                self.updateSelectedItem()
                
        elif self._indexes:
            update = False
            for i in self._indexes:
                if topLeft.row() <= i.row() <= bottomRight.row():
                    update = True
            if update:
                self.updateSelectedItem()
        
    def getPOV(self, index):
        item = index.internalPointer()
        POV = item.data(self._column)
        return POV
        
    def selectPOV(self, POV):
        idx = self.findData(POV)
        if idx != -1:
            self.setCurrentIndex(idx)
        else:
            self.setCurrentIndex(0)
        
    def updateSelectedItem(self, idx1=None, idx2=None):
        
        if self._updating:
            return
        
        if self._index:
            POV = self.getPOV(self._index)
            self.selectPOV(POV)
                
        elif self._indexes:
            POVs = []
            same = True
            
            for i in self._indexes:
                POVs.append(self.getPOV(i))
                
            for POV in POVs[1:]:
                if POV != POVs[0]:
                    same = False
                    break
            
            if same:
                self._various = False
                self.selectPOV(POVs[0])
                
            else:
                if not self._various:
                    self.insertItem(0, self.tr("Various"))
                    f = self.font()
                    f.setItalic(True)
                    self.setItemData(0, f, Qt.FontRole)
                    self.setItemData(0, QBrush(Qt.darkGray), Qt.ForegroundRole)
                self._various = True
                self.setCurrentIndex(0)
        
        else:
            self.setCurrentIndex(0)
        
    def submit(self, idx):
        if self._index:
            self.mdlOutline.setData(self._index, self.currentData())
            
        elif self._indexes:
            if self._various and self.currentIndex() == 0:
                return
                
            self._updating = True
            for i in self._indexes:
                self.mdlOutline.setData(i, self.currentData())
            self._updating = False