def addItems(self, parent, items):
pub = JPPub()
for r in items:
item = QTreeWidgetItem(parent)
item.setText(0, r["fMenuText"])
item.setIcon(0, QIcon(pub.getIcoPath(r["fIcon"])))
item.jpData = r
item.FullPath = (parent.FullPath + '\\' + r["fMenuText"])
lst = [l for l in self.items if l["fParentId"] == r["fNMID"]]
self.addItems(item, lst)
item.setExpanded(1)
class MyThreadReadAddition(QThread):
"""加载附件图片的线程类, 每生成一个对象，都通过信号把数据发出
本线程只负责从已经加载完成的数据字典中的一行生成图片对象
图片的集合应由主界面维护
"""
onePixmCreated = pyqtSignal(picInfo)
oneFileLoaded = pyqtSignal(str)
def __init__(self, addtionalData):
super().__init__()
# self.cachePath = os.path.join(os.getcwd(), "cache")
# if not os.path.exists(self.cachePath):
# os.mkdir(self.cachePath)
self.addtionalData = addtionalData
self.defHeight = 200
self.pub = JPPub()
cfg = ConfigInfo()
self.maxViewPdfPages = int(cfg.viewpdf.maxpages)
def render_pdf_page(self, page_data, r, i):
imageFormat = QImage.Format_RGB888
pagePixmap1 = page_data.getPixmap(matrix=fitz.Matrix(1, 1),
alpha=False)
pageQImage1 = QImage(pagePixmap1.samples, pagePixmap1.width,
pagePixmap1.height, pagePixmap1.stride,
imageFormat)
# 生成 pixmap 对象
QPixmapCache.clear()
tempPixmap = QPixmap()
tempPixmap.convertFromImage(pageQImage1)
# fn = os.path.join(self.cachePath, "{}_{}.jpg".format(r.md5FileName, i))
# tempPixmap.save(fn, "JPG")
temp = picInfo()
temp.md5FileName = r.md5FileName
temp.pageIndex = i
temp.Md5FileIndex = r.file_index
temp.pageIndex = i
temp.originalName = r.original_name
a, b = os.path.splitext(r.original_name)
temp.icoText = "P{} {}".format(i, a)
# temp.viewPicPath = fn
temp.viewPixmap = tempPixmap
return temp
def createEveryPixmapFromFile(self):
for i, r in enumerate(self.addtionalData):
if r.deleted:
continue
#################################
# 找到要显示文件的真实路径（数据库中已经存在的和新添加的不同，用于防止用户重复添加同一文件）
filePath = r.md5FilePath if (r.archives_pk) else r.original_path
if os.path.exists(filePath):
QPixmapCache.clear()
expName = r.file_type.upper()
docDic = {
"XLS": 0,
"XLSX": 0,
"DOC": 1,
"DOCX": 1,
"ZIP": 2,
"RAR": 3
}
icoLst = ["excel.png", "word.png", "zip.png", "rar.png"]
if expName in docDic.keys():
pi = picInfo()
icoName = icoLst[docDic[expName]]
pi.iconPath = self.pub.getIcoPath(icoName)
pi.originalPath = filePath
pi.originalName = r.original_name
pi.md5FileName = r.md5FileName
pi.viewPixmap_Ico = QPixmap(pi.iconPath)
self.onePixmCreated.emit(pi)
elif expName in ["JPG", "PNG", "BMP"]:
pi = picInfo()
pi.originalPath = r.original_path
pi.viewPicPath = r.original_path
pi.originalName = r.original_name
pi.md5FileName = r.md5FileName
pi.viewPicPath = r.md5FilePath
pi.viewPixmap = QPixmap(r.md5FilePath)
self.onePixmCreated.emit(pi)
elif expName == "PDF":
doc = fitz.open(filePath)
# 当PDF页数过多时，只显示图标
if doc.pageCount > self.maxViewPdfPages:
pi = picInfo()
pi.iconPath = self.pub.getIcoPath('pdf_2.png')
pi.originalPath = filePath
pi.originalName = r.original_name
pi.md5FileName = r.md5FileName
pi.viewPixmap_Ico = QPixmap(pi.iconPath)
self.onePixmCreated.emit(pi)
else:
for i in range(doc.pageCount):
pageData = doc.loadPage(i)
pi = self.render_pdf_page(pageData, r, i)
self.onePixmCreated.emit(pi)
doc.close()
del doc
else:
logging.getLogger().error("文件没有找到:{}".format(filePath))
self.oneFileLoaded.emit(r.original_name)
def run(self):
self.createEveryPixmapFromFile()