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from PyQt5.QtWidgets import QDialog, QPushButton, QFormLayout, QComboBox, QLabel, QMessageBox, QDialogButtonBox
from .data import sheetDimensionList, ppiList
class paperDims(QDialog):
"""
Utility dialog box to adjust the current canvas's dimensions, might return just dimensions later
so that sizes do not need to be imported in every other module.
"""
def __init__(self, parent=None, size='A4', ppi='72', name='Canvas Size'):
super(paperDims, self).__init__(parent)
#store initial values to show currently set value, also updated when changed. these are returned at EOL
self.returnCanvasSize = size
self.returnCanvasPPI = ppi
self.setWindowTitle(name+" :Canvas Size") #Set Window Title
#init layout
dialogBoxLayout = QFormLayout(self)
sizeComboBox = QComboBox() #combo box for paper sizes
sizeComboBox.addItems(sheetDimensionList)
sizeComboBox.setCurrentIndex(4)
sizeComboBox.activated[str].connect(lambda size: setattr(self, "returnCanvasSize", size))
sizeLabel = QLabel("Canvas Size")
sizeLabel.setBuddy(sizeComboBox) # label for the above combo box
sizeComboBox.setCurrentIndex(sheetDimensionList.index(self.returnCanvasSize)) #set index to current value of canvas
dialogBoxLayout.setWidget(0, QFormLayout.LabelRole, sizeLabel)
dialogBoxLayout.setWidget(0, QFormLayout.FieldRole, sizeComboBox)
ppiComboBox = QComboBox() #combo box for ppis
ppiComboBox.addItems(ppiList)
ppiComboBox.activated[str].connect(lambda ppi: setattr(self, "returnCanvasPPI", ppi))
ppiLabel = QLabel("Canvas ppi")
ppiLabel.setBuddy(ppiComboBox) # label for the above combo box
ppiComboBox.setCurrentIndex(ppiList.index(self.returnCanvasPPI)) #set index to current value of canvas
dialogBoxLayout.setWidget(1, QFormLayout.LabelRole, ppiLabel)
dialogBoxLayout.setWidget(1, QFormLayout.FieldRole, ppiComboBox)
# add ok and cancel buttons
buttonBox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel, self)
buttonBox.accepted.connect(self.accept)
buttonBox.rejected.connect(self.reject)
dialogBoxLayout.addWidget(buttonBox)
self.setLayout(dialogBoxLayout)
self.resize(300,100) #resize to a certain size
def exec_(self):
#overload exec_ to add return values and delete itself(currently being tested)
super(paperDims, self).exec_()
self.deleteLater() #remove from memory
#if ok was pressed return value else return None
return (self.returnCanvasSize, self.returnCanvasPPI) if self.result() else None
class sideViewSwitchDialog(QDialog):
"""
Custom dialog box to show, all available tabs to set the side view to.
Also has accept reject events. Structure is similar to paperDims dialog box.
"""
def __init__(self, parent=None, tabList = None, initial = None):
super(sideViewSwitchDialog, self).__init__(parent=parent)
self.tabList = tabList
self.returnVal = initial
self.initial = initial
dialogBoxLayout = QFormLayout(self)
tabListComboBox = QComboBox()
tabListComboBox.addItems(self.tabList)
tabListComboBox.activated[str].connect(lambda x: setattr(self, 'returnVal', self.tabList.index(x)))
tabLabel = QLabel("Change Side View")
tabLabel.setBuddy(tabListComboBox) # label for the above combo box
tabListComboBox.setCurrentIndex(self.returnVal)
dialogBoxLayout.setWidget(1, QFormLayout.LabelRole, tabLabel)
dialogBoxLayout.setWidget(1, QFormLayout.FieldRole, tabListComboBox)
# add ok and cancel buttons
buttonBox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel, self)
buttonBox.accepted.connect(self.accept)
buttonBox.rejected.connect(self.reject)
dialogBoxLayout.addWidget(buttonBox)
self.setLayout(dialogBoxLayout)
self.resize(300,100) #resize to a certain size
def exec_(self):
#overload exec_ to add return values and delete itself(currently being tested)
super(sideViewSwitchDialog, self).exec_()
self.deleteLater() #remove from memory
#if ok was pressed return value else return None
return self.returnVal if self.result() else self.initial
def saveEvent(parent = None):
#utility function to generate a Qt alert window requesting the user to save the file, returns user intention on window close
alert = QMessageBox.question(parent, parent.objectName(), "All unsaved progress will be LOST!",
QMessageBox.StandardButtons(QMessageBox.Save|QMessageBox.Ignore|QMessageBox.Cancel), QMessageBox.Save)
if alert == QMessageBox.Cancel:
return False
else:
if alert == QMessageBox.Save:
if not parent.saveProject(): #the parent's saveProject method is called which returns false if saving was cancelled by the user
return False
return True
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