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240 | #!python3
# -*- coding: utf-8 -*-
import sys
import os.path
import copy
from PySide2 import QtCore, QtGui, QtWidgets
from PySide2.QtUiTools import QUiLoader
CURRENT_PATH = os.path.dirname(os.path.abspath(sys.argv[0]))
DEFAULT_IMAGE = "D:/sample.png"
# TableViewの1行ごとのItemを管理するクラス
class DataItem(object):
def __init__(self, name="", description="", img=None):
self.name = name
self.description = description
self.img = img if img else DEFAULT_IMAGE
self.status = "default"
def backgroundColor(self):
return QtGui.QColor(255, 255, 100)
def data(self, column):
return self.name
def setData(self, column, value):
self.name = value
@classmethod
def sizeHint(self):
return QtCore.QSize(250, 200)
class TableDelegate(QtWidgets.QItemDelegate):
def __init__(self, parent=None):
super(TableDelegate, self).__init__(parent)
def editorEvent(self, event, model, option, index):
"""
TableのCellに対してなにかしらのイベント（クリックした等）が発生したときに呼ばれる
"""
return False
def paint(self, painter, option, index):
"""
Cellの中の描画を行う
"""
data = index.data(QtCore.Qt.UserRole)
if option.state & QtWidgets.QStyle.State_HasFocus:
painter.setBrush(QtGui.QColor(200, 255, 255))
painter.drawRect(option.rect)
elif option.state & QtWidgets.QStyle.State_Selected:
painter.setBrush(QtGui.QColor(236, 255, 255))
painter.drawRect(option.rect)
else:
painter.setBrush(data.backgroundColor())
painter.drawRect(option.rect)
margin = 10
imgHeight = (option.rect.height() / 2) - margin
if data.img:
imgRect = copy.deepcopy(option.rect)
img = QtGui.QImage(data.img)
imgWidth = (imgHeight / img.size().height()) * img.size().width()
imgRect.setWidth(imgWidth)
imgRect.setHeight(imgHeight)
pos = option.rect.center()
imgRect.moveCenter(pos)
imgRect.translate(0, ((imgHeight / 2) * -1) + margin)
painter.drawImage(imgRect, img)
# # タイトル表示
titleRect = copy.deepcopy(option.rect)
titleRect.setY(imgRect.bottom() + margin)
titleRect.setHeight(30)
font = QtGui.QFont("メイリオ", 11)
font.setBold(True)
painter.setFont(font)
painter.drawText(titleRect, QtCore.Qt.AlignCenter | QtCore.Qt.AlignTop | QtCore.Qt.TextWordWrap, data.name)
descriptionRect = copy.deepcopy(option.rect)
descriptionRect.setY(titleRect.bottom() + margin)
descriptionRect.setX(titleRect.left() + margin)
descriptionRect.setWidth(descriptionRect.width() - (margin * 2))
descriptionRect.setHeight(50)
font = QtGui.QFont("メイリオ", 8)
font.setBold(False)
painter.setFont(font)
painter.drawText(descriptionRect, QtCore.Qt.AlignLeft | QtCore.Qt.TextWrapAnywhere,
data.description)
def sizeHint(self, option, index):
if index.isValid():
return index.data(QtCore.Qt.UserRole).sizeHint()
class TableModel(QtCore.QAbstractTableModel):
def __init__(self, columnNum=5, parent=None):
super(TableModel, self).__init__(parent)
self.items = []
self.columnNum = columnNum
self.maxRowCount = 5
def addMaxRow(self, num=5):
if (len(self.items) / self.columnNum) > self.maxRowCount:
self.maxRowCount += num
self.layoutChanged.emit()
def changeColumnNum(self, num):
self.columnNum = num
self.layoutChanged.emit()
def headerData(self, col, orientation, role):
return ""
def addItem(self, item):
self.items.append(item)
def rowCount(self, parent=QtCore.QModelIndex()):
u"""行数を返す"""
count = int(len(self.items) / self.columnNum) + 1
if self.maxRowCount > count:
return count
else:
return self.maxRowCount
def columnCount(self, parent):
u"""カラム数を返す"""
if len(self.items) > self.columnNum:
return self.columnNum
return len(self.items)
def data(self, index, role=QtCore.Qt.DisplayRole):
if not index.isValid():
return None
item = index.internalPointer()
if role == QtCore.Qt.DisplayRole:
return item.data(index.column())
if role == QtCore.Qt.UserRole:
return item
def index(self, row, column, parent):
index = (((row) * self.columnNum) + column)
if index < len(self.items):
item = self.items[index]
return self.createIndex(row, column, item)
return QtCore.QModelIndex()
def flags(self, index):
return QtCore.Qt.ItemIsEditable | QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsUserCheckable
class CustomTable(QtWidgets.QTableView):
columnCountChanged = QtCore.Signal(int)
def __init__(self, parent=None):
super().__init__(parent)
self.columnCount = 5
self.horizontalHeader().setSectionResizeMode(QtWidgets.QHeaderView.ResizeToContents)
self.verticalHeader().setSectionResizeMode(QtWidgets.QHeaderView.ResizeToContents)
self.verticalScrollBar().valueChanged.connect(self.moveSlider)
def resizeEvent(self, event):
count = int(event.size().width() / DataItem.sizeHint().width())
if self.columnCount != count:
self.columnCount = count
self.columnCountChange(count)
def moveSlider(self, value):
if value == self.verticalScrollBar().maximum():
self.model().addMaxRow()
def columnCountChange(self, num):
self.model().changeColumnNum(num)
class UISample(QtWidgets.QMainWindow):
def __init__(self, parent=None):
super(UISample, self).__init__(parent)
self.view = CustomTable()
self.setCentralWidget(self.view)
self.resize(600, 400)
self.model = TableModel()
for i in range(200):
data = DataItem(str(i).zfill(3), f"これは{str(i).zfill(3)}です。")
self.model.addItem(data)
self.view.setModel(self.model)
self.delegate = TableDelegate()
self.view.setItemDelegate(self.delegate)
self.view.clicked.connect(self.clicked)
def clicked(self, index):
print(index.data(QtCore.Qt.UserRole))
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
a = UISample()
a.show()
sys.exit(app.exec_())
|