44305363+kraskrom@4056: <?xml version='1.0' encoding='utf-8'?>
44305363+kraskrom@4056: <PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
44305363+kraskrom@4056:   <variables>
44305363+kraskrom@4056:     <variable name="FileNotify" type="HMI_INT"/>
44305363+kraskrom@4056:     <variable name="CurrentPath" type="HMI_STRING" initial="..."/>
44305363+kraskrom@4056:     <variable name="FileName" type="HMI_STRING"/>
44305363+kraskrom@4056:   </variables>
44305363+kraskrom@4056:   <globals>
44305363+kraskrom@4056:     <xhtml:p><![CDATA[
44305363+kraskrom@4056: from twisted.web.resource import Resource
44305363+kraskrom@4056: from os import getcwd, listdir
44305363+kraskrom@4056: from os.path import dirname, isfile, join
44305363+kraskrom@4056: import collections, json
44305363+kraskrom@4056: 
44305363+kraskrom@4056: 
44305363+kraskrom@4056: class FilesJsonResource(Resource):
44305363+kraskrom@4056:     image_cache = {}
44305363+kraskrom@4056: 
44305363+kraskrom@4056:     def render_GET(self, request):
44305363+kraskrom@4056:         request.setHeader('content-type', 'image/png')
44305363+kraskrom@4056:         img_name = request.args[b'name'][0].decode('utf-8')
44305363+kraskrom@4056:         p = getcwd()  + '/' + img_name
44305363+kraskrom@4056:         if p not in self.image_cache:
44305363+kraskrom@4056:             with open(p, 'rb') as image_file:
44305363+kraskrom@4056:                 img_bytes = image_file.read()
44305363+kraskrom@4056:                 self.image_cache[p] = img_bytes
44305363+kraskrom@4056:         else:
44305363+kraskrom@4056:             img_bytes = self.image_cache[p]
44305363+kraskrom@4056:         return img_bytes
44305363+kraskrom@4056: 
44305363+kraskrom@4056: 
44305363+kraskrom@4056:     def render_POST(self, request):
44305363+kraskrom@4056:         newstr = request.content.getvalue()
44305363+kraskrom@4056:         newdata = json.loads(newstr)
44305363+kraskrom@4056:         args = newdata['args']
44305363+kraskrom@4056:         range_feedback = newdata['range']
44305363+kraskrom@4056:         slider_position = newdata['position']
44305363+kraskrom@4056:         visible = newdata['visible']
44305363+kraskrom@4056:         extra = newdata['extra']
44305363+kraskrom@4056:         options = newdata['options']
44305363+kraskrom@4056: 
44305363+kraskrom@4056:         path = PLCGlobals.CurrentPath
44305363+kraskrom@4056:         if path == '...':
44305363+kraskrom@4056:             PLCGlobals.CurrentPath = path = getcwd()
44305363+kraskrom@4056: 
44305363+kraskrom@4056:         if len(options) == 1 :
44305363+kraskrom@4056:             action, = options
44305363+kraskrom@4056:             if action == 'action_reset':
44305363+kraskrom@4056:                 PLCGlobals.CurrentPath = path = getcwd()
44305363+kraskrom@4056:         elif len(options) == 2 :
44305363+kraskrom@4056:             action, sent_path = options
44305363+kraskrom@4056:             if action == 'onClick[acknowledge]':
44305363+kraskrom@4056:                 if sent_path.endswith('.csv'):
44305363+kraskrom@4056:                     PLCGlobals.FileName = sent_path
44305363+kraskrom@4056:                 else:
44305363+kraskrom@4056:                     PLCGlobals.CurrentPath = path = sent_path
44305363+kraskrom@4056: 
44305363+kraskrom@4056:         ld = listdir(path)
44305363+kraskrom@4056:         ld.sort()
44305363+kraskrom@4056: 
44305363+kraskrom@4056:         if path != '/':
44305363+kraskrom@4056:             FileList = [
44305363+kraskrom@4056:                 {
44305363+kraskrom@4056:                     'name': '..',
44305363+kraskrom@4056:                     'path': dirname(path),
44305363+kraskrom@4056:                     'type': 'folder',
44305363+kraskrom@4056:                     'status': 'active',
44305363+kraskrom@4056:                     'thumbnail': '/files?name=folder.png'
44305363+kraskrom@4056:                 }
44305363+kraskrom@4056:             ]
44305363+kraskrom@4056:         else:
44305363+kraskrom@4056:             FileList = []
44305363+kraskrom@4056: 
44305363+kraskrom@4056:         FileList.extend([
44305363+kraskrom@4056:             {
44305363+kraskrom@4056:                 'name': f,
44305363+kraskrom@4056:                 'path': join(path, f),
44305363+kraskrom@4056:                 'type': 'folder',
44305363+kraskrom@4056:                 'status': 'active',
44305363+kraskrom@4056:                 'thumbnail': '/files?name=folder.png'
44305363+kraskrom@4056:             }
44305363+kraskrom@4056:             for f in ld
44305363+kraskrom@4056:             if not (isfile(join(path, f)) 
44305363+kraskrom@4056:             or f.startswith("."))
44305363+kraskrom@4056:         ])
44305363+kraskrom@4056:         FileList.extend([
44305363+kraskrom@4056:             {
44305363+kraskrom@4056:                 'name': f,
44305363+kraskrom@4056:                 'path': join(path, f),
44305363+kraskrom@4056:                 'type': 'file',
44305363+kraskrom@4056:                 'status': 'active',
44305363+kraskrom@4056:                 'thumbnail': '/files?name=file.png'
44305363+kraskrom@4056:             }
44305363+kraskrom@4056:             for f in ld 
44305363+kraskrom@4056:             if isfile(join(path, f)) 
44305363+kraskrom@4056:             and f.endswith(".csv")
44305363+kraskrom@4056:         ])
44305363+kraskrom@4056: 
44305363+kraskrom@4056:         answer = self.renderTable(
44305363+kraskrom@4056:             FileList, range_feedback, slider_position, visible, extra
44305363+kraskrom@4056:         )
44305363+kraskrom@4056:         janswer = json.dumps(answer)
44305363+kraskrom@4056:         return janswer.encode()
44305363+kraskrom@4056: 
44305363+kraskrom@4056:     def renderTable(self, FileList, old_range, old_position, visible, extra):
44305363+kraskrom@4056:         if len(extra) > 0 and extra[0] != "":
44305363+kraskrom@4056:             fFiles = [fl for fl in FileList if extra[0] in fl]
44305363+kraskrom@4056:         else:
44305363+kraskrom@4056:             fFiles = FileList[:]
44305363+kraskrom@4056:         new_range = len(fFiles)
44305363+kraskrom@4056:         delta = new_range - visible
44305363+kraskrom@4056:         new_position = 0 if delta <= 0 else delta if old_position > delta else old_position
44305363+kraskrom@4056:         new_visible = new_range if delta <= 0 else visible
44305363+kraskrom@4056: 
44305363+kraskrom@4056:         visible_files = []
44305363+kraskrom@4056:         for desc in fFiles[new_position:new_position + new_visible]:
44305363+kraskrom@4056:             visible_files.append(desc)
44305363+kraskrom@4056: 
44305363+kraskrom@4056:         return new_range, new_position, visible_files
44305363+kraskrom@4056: 
44305363+kraskrom@4056: 
44305363+kraskrom@4056: ]]></xhtml:p>
44305363+kraskrom@4056:   </globals>
44305363+kraskrom@4056:   <init>
44305363+kraskrom@4056:     <xhtml:p><![CDATA[
44305363+kraskrom@4056: ]]></xhtml:p>
44305363+kraskrom@4056:   </init>
44305363+kraskrom@4056:   <cleanup>
44305363+kraskrom@4056:     <xhtml:p><![CDATA[
44305363+kraskrom@4056: ]]></xhtml:p>
44305363+kraskrom@4056:   </cleanup>
44305363+kraskrom@4056:   <start>
44305363+kraskrom@4056:     <xhtml:p><![CDATA[
44305363+kraskrom@4056: 
44305363+kraskrom@4056: AddPathToSVGHMIServers(b"files", FilesJsonResource)
44305363+kraskrom@4056: 
44305363+kraskrom@4056: 
44305363+kraskrom@4056: ]]></xhtml:p>
44305363+kraskrom@4056:   </start>
44305363+kraskrom@4056:   <stop>
44305363+kraskrom@4056:     <xhtml:p><![CDATA[
44305363+kraskrom@4056: ]]></xhtml:p>
44305363+kraskrom@4056:   </stop>
44305363+kraskrom@4056: </PyFile>