# coding: utf-8
from PyQt5.QtWidgets import (QScrollArea, QWidget, QVBoxLayout,
QLabel, QFrame, QStyle)
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QPalette, QPixmap
class Content(QScrollArea):
def __init__(self, parent=None, title='', params=None):
super().__init__(parent)
self.params = params
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.lbl_img_list = []
self.pixmap_list = []
self.H1_HEIGHT = 50
self.H2_HEIGHT = 50
self.SIDE_MARGIN = 5
self.H1_FONT_SIZE = 18
self.H2_FONT_SIZE = 18
self.H3_FONT_SIZE = 16
self.TEXT_FONT_SIZE = 14
self.inner = QWidget(self)
self.vbox = QVBoxLayout(self.inner)
self.vbox.setSpacing(10)
self.vbox.setContentsMargins(0, 0, 0, 0)
topframe = QFrame()
topframe.setStyleSheet('background-color: white')
topframe.setFixedHeight(self.H1_HEIGHT)
self.title = title
lbl_h1 = QLabel(title, topframe)
fnt = lbl_h1.font()
fnt.setPointSize(self.H1_FONT_SIZE)
lbl_h1.setFont(fnt)
lbl_h1.setFixedHeight(self.H1_HEIGHT)
lbl_h1.setMargin(self.SIDE_MARGIN)
self.vbox.addWidget(topframe)
self.inner.setLayout(self.vbox)
self.setWidget(self.inner)
def set_paragraph(self, h2='', h3='', text='', img=None):
if h2 != '':
lbl_h2 = QLabel(h2, self.inner)
fnt = lbl_h2.font()
fnt.setPointSize(self.H2_FONT_SIZE)
lbl_h2.setFont(fnt)
lbl_h2.setFixedHeight(self.H2_HEIGHT)
lbl_h2.setAlignment(Qt.AlignBottom)
lbl_h2.setMargin(self.SIDE_MARGIN)
self.vbox.addWidget(lbl_h2)
frm = QFrame(self.inner)
frm.setFrameShape(QFrame.HLine)
frm.setContentsMargins(self.SIDE_MARGIN, 0, self.SIDE_MARGIN, 0)
plt = frm.palette()
plt.setColor(QPalette.WindowText, Qt.darkGray)
frm.setPalette(plt)
self.vbox.addWidget(frm)
if text != '':
lbl_txt = QLabel(text, self.inner)
lbl_txt.setWordWrap(True)
fnt = lbl_txt.font()
fnt.setPointSize(self.TEXT_FONT_SIZE)
lbl_txt.setFont(fnt)
lbl_txt.setMargin(self.SIDE_MARGIN)
self.vbox.addWidget(lbl_txt)
if img is not None:
if self.params.lang == 'en':
img += '_en.png'
else:
img += '_jp.png'
pixmap = QPixmap(img)
if not pixmap.isNull():
lbl_img = QLabel(self.inner)
lbl_img.setPixmap(pixmap)
self.lbl_img_list.append(lbl_img)
self.pixmap_list.append(pixmap.scaledToWidth(pixmap.width()))
self.vbox.addWidget(lbl_img)
self.inner.setLayout(self.vbox)
def get_text(self, path):
if self.params.lang == 'en':
path += '_en.txt'
else:
path += '_jp.txt'
try:
text = open(path, encoding='utf8').read()
except FileNotFoundError:
text = 'No text available'
return text
def make_dtype(self, columns, dtypes):
if columns is None or dtypes is None:
return None
dic = {}
for c, d in zip(columns, dtypes):
dic[c] = d
return dic
def resizeEvent(self, event):
# Resize images only if the width of the scroll area
# is shorter than that of images
for i, lbl in enumerate(self.lbl_img_list):
w = self.width() - QStyle.PM_ScrollBarExtent
if w < self.pixmap_list[i].width():
lbl.setPixmap(
self.pixmap_list[i].scaledToWidth(
w, Qt.SmoothTransformation))
else:
lbl.setPixmap(
self.pixmap_list[i].scaledToWidth(
self.pixmap_list[i].width()))
return super().resizeEvent(event)
