bugfix
This commit is contained in:
yumoqing
parent
1f5a8d93de
commit
9333cd9bd4
@ -1,164 +1,167 @@
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"""
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BoxViewer options:
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{
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"dataloader":{
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"url",
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"method",
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"params"
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"filter":{
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}
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}
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"boxwidth",
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"boxheight",
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"viewer"
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"toolbar":{
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}
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}
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"""
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from traceback import print_exc
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from functools import partial
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from kivy.app import App
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from kivy.factory import Factory
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from kivy.utils import platform
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from kivy.uix.boxlayout import BoxLayout
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from .responsivelayout import VResponsiveLayout
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from .toolbar import Toolbar
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from .paging import Paging, RelatedLoader
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from .utils import CSize
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class BoxViewer(BoxLayout):
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def __init__(self, **options):
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self.toolbar = None
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self.parenturl = None
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self.dataloader = None
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self.initflag = False
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self.selected_box = None
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remind = ['toolbar',
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'dataloader',
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'orientation',
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'viewer',
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'boxwidth',
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'boxheight']
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kwargs = {k:v for k,v in options.items() if k not in remind }
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BoxLayout.__init__(self, orientation='vertical', **kwargs)
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self.selected_data = None
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self.options = options
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self.box_width = CSize(options['boxwidth'])
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self.box_height = CSize(options['boxheight'])
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self.viewContainer = VResponsiveLayout(cols=2,box_width=self.box_width)
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if options.get('toolbar'):
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self.toolbar = Toolbar(options['toolbar'])
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lopts = options['dataloader'].copy()
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self.dataloader = RelatedLoader(target=self,**lopts['options'])
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self.dataloader.bind(on_deletepage=self.deleteWidgets)
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self.dataloader.bind(on_pageloaded=self.addPageWidgets)
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self.dataloader.bind(on_newbegin=self.deleteAllWidgets)
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self.params = self.options['dataloader']['options'].get('params',{})
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if self.toolbar:
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self.add_widget(self.toolbar)
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if self.dataloader.widget:
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self.add_widget(self.dataloader.widget)
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self.dataloader.bind(on_submit=self.getParams)
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self.add_widget(self.viewContainer)
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self.register_event_type('on_selected')
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self.viewContainer.bind(size=self.resetCols,
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pos=self.resetCols)
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self.viewContainer.bind(on_scroll_stop=self.on_scroll_stop)
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def getParams(self,o,p):
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self.params = p
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def deleteAllWidgets(self,o):
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self.viewContainer.clear_widgets()
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def addPageWidgets(self,o,data):
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widgets = []
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recs = data['data']
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dir = data['dir']
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idx = 0
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if dir == 'up':
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recs.reverse()
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idx = -1
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for r in recs:
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self.showObject(widgets, r, index=idx)
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self.dataloader.bufferObjects(widgets)
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x = self.dataloader.getLocater()
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self.locater(x)
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def deleteWidgets(self,o,data):
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for w in data:
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self.viewContainer.remove_widget(w)
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def on_selected(self, o, v=None):
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pass
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def locater(self, pos):
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self.viewContainer.scroll_y = pos
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def resetCols(self,o=None, v=None):
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h = 0
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if self.toolbar:
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h += self.toolbar.height
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if self.dataloader.widget:
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h += self.dataloader.widget.height
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self.viewContainer.height = self.height - h
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self.viewContainer.setCols()
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if not self.initflag:
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self.dataloader.loadPage(1)
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self.initflag = True
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def showObject(self, holders, rec,index=0):
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def doit(self,holders,idx,o,w):
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w.bind(on_press=self.select_record)
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self.viewContainer.add_widget(w,index=idx)
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holders.append(w)
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def doerr(o,e):
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print_exc()
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print('showObject(),error=',e)
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raise e
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options = self.options['viewer'].copy()
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options['options']['record'] = rec
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options['options']['ancestor'] = self
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options['options']['size_hint'] = None,None
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options['options']['width'] = self.box_width
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options['options']['height'] = self.box_height
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blocks = Factory.Blocks()
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blocks.bind(on_built=partial(doit,self,holders,index))
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blocks.bind(on_failed=doerr)
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blocks.widgetBuild(options, ancestor=self)
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def on_scroll_stop(self,o,v=None):
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if o.scroll_y <= 0.001:
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self.dataloader.loadNextPage()
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if o.scroll_y >= 0.999:
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self.dataloader.loadPreviousPage()
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def select_record(self,o,v=None):
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if self.selected_box:
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self.selected_box.unselected()
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o.selected()
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self.selected_box = o
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self.selected_data = o.getRecord()
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d = {
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"target":self.selected_box,
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"page_rows":1,
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"page":self.selected_data['__posInSet__'],
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"dataurl":self.options['dataloader']['options']['dataurl'],
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"params":self.params
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}
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self.dispatch('on_selected',d)
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def getData(self):
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d = {
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"caller":self,
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"page_rows":1,
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"page":self.selected_data['__posInSet__'],
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"dataurl":self.options['dataloader']['options']['dataurl'],
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"params":self.params
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}
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return d
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"""
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BoxViewer options:
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{
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"dataloader":{
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"url",
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"method",
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"params"
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"filter":{
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}
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}
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"boxwidth",
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"boxheight",
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"viewer"
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"toolbar":{
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}
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}
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"""
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from traceback import print_exc
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from functools import partial
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from kivy.app import App
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from kivy.factory import Factory
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from kivy.utils import platform
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from kivy.uix.boxlayout import BoxLayout
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from .responsivelayout import VResponsiveLayout
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from .toolbar import Toolbar
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from .paging import Paging, RelatedLoader
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from .utils import CSize
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class BoxViewer(BoxLayout):
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def __init__(self, **options):
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self.toolbar = None
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self.parenturl = None
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self.dataloader = None
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self.initflag = False
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self.selected_box = None
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remind = ['toolbar',
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'dataloader',
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'orientation',
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'viewer',
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'boxwidth',
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'boxheight']
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kwargs = {k:v for k,v in options.items() if k not in remind }
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BoxLayout.__init__(self, orientation='vertical', **kwargs)
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self.selected_data = None
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self.options = options
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self.box_width = CSize(options['boxwidth'])
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self.box_height = CSize(options['boxheight'])
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self.viewContainer = VResponsiveLayout(cols=2,box_width=self.box_width)
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if options.get('toolbar'):
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self.toolbar = Toolbar(options['toolbar'])
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lopts = options['dataloader'].copy()
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if lopts.get('options'):
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lopts = lopts.get('options')
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self.dataloader = RelatedLoader(target=self,**lopts)
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self.dataloader.bind(on_deletepage=self.deleteWidgets)
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self.dataloader.bind(on_pageloaded=self.addPageWidgets)
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self.dataloader.bind(on_newbegin=self.deleteAllWidgets)
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self.params = self.options['dataloader']['options'].get('params',{})
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if self.toolbar:
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self.add_widget(self.toolbar)
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if self.dataloader.widget:
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self.add_widget(self.dataloader.widget)
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self.dataloader.bind(on_submit=self.getParams)
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self.add_widget(self.viewContainer)
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self.register_event_type('on_selected')
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self.viewContainer.bind(size=self.resetCols,
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pos=self.resetCols)
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self.viewContainer.bind(on_scroll_stop=self.on_scroll_stop)
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def getParams(self,o,p):
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self.params = p
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def deleteAllWidgets(self,o):
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self.viewContainer.clear_widgets()
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def addPageWidgets(self,o,data):
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widgets = []
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recs = data['data']
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page = data['page']
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dir = data['dir']
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idx = 0
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if dir == 'up':
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recs.reverse()
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idx = -1
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for r in recs:
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self.showObject(widgets, r, index=idx)
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self.dataloader.bufferObjects(page, widgets)
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x = self.dataloader.getLocater()
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self.locater(x)
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def deleteWidgets(self,o,data):
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for w in data:
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self.viewContainer.remove_widget(w)
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def on_selected(self, o, v=None):
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pass
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def locater(self, pos):
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self.viewContainer.scroll_y = pos
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def resetCols(self,o=None, v=None):
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h = 0
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if self.toolbar:
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h += self.toolbar.height
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if self.dataloader.widget:
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h += self.dataloader.widget.height
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self.viewContainer.height = self.height - h
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self.viewContainer.setCols()
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if not self.initflag:
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self.dataloader.loadPage(1)
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self.initflag = True
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def showObject(self, holders, rec,index=0):
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def doit(self,holders,idx,o,w):
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w.bind(on_press=self.select_record)
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self.viewContainer.add_widget(w,index=idx)
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holders.append(w)
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def doerr(o,e):
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print_exc()
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print('showObject(),error=',e)
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raise e
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options = self.options['viewer'].copy()
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options['options']['record'] = rec
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options['options']['ancestor'] = self
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options['options']['size_hint'] = None,None
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options['options']['width'] = self.box_width
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options['options']['height'] = self.box_height
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blocks = Factory.Blocks()
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blocks.bind(on_built=partial(doit,self,holders,index))
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blocks.bind(on_failed=doerr)
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blocks.widgetBuild(options, ancestor=self)
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def on_scroll_stop(self,o,v=None):
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if o.scroll_y <= 0.001:
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self.dataloader.loadNextPage()
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if o.scroll_y >= 0.999:
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self.dataloader.loadPreviousPage()
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def select_record(self,o,v=None):
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if self.selected_box:
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self.selected_box.unselected()
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o.selected()
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self.selected_box = o
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self.selected_data = o.getRecord()
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d = {
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"target":self.selected_box,
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"page_rows":1,
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"page":self.selected_data['__posInSet__'],
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"dataurl":self.options['dataloader']['options']['dataurl'],
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"params":self.params
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}
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self.dispatch('on_selected',d)
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def getData(self):
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d = {
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"caller":self,
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"page_rows":1,
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"page":self.selected_data['__posInSet__'],
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"dataurl":self.options['dataloader']['options']['dataurl'],
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"params":self.params
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}
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return d
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807
kivyblocks/dg.py
807
kivyblocks/dg.py
@ -1,407 +1,400 @@
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import time
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from kivy.uix.gridlayout import GridLayout
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from kivy.uix.boxlayout import BoxLayout
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from kivy.uix.scrollview import ScrollView
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from kivy.uix.label import Label
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from kivy.uix.button import ButtonBehavior
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from kivy.clock import Clock
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from kivy.properties import BooleanProperty
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from kivy.properties import ListProperty
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from kivy.graphics import Color, Rectangle
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from kivy.app import App
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from kivy.factory import Factory
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from appPublic.dictObject import DictObject
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from appPublic.timecost import TimeCost
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from appPublic.uniqueID import getID
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from .utils import CSize, setSizeOptions, loading, loaded, absurl, alert
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from .baseWidget import Text
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from .widgetExt import ScrollWidget
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from .paging import Paging, RelatedLoader
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from .ready import WidgetReady
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from .toolbar import Toolbar
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from .i18n import I18nText
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class BLabel(ButtonBehavior, Text):
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def __init__(self, **kw):
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ButtonBehavior.__init__(self)
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Text.__init__(self,**kw)
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class Cell(BoxLayout):
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def __init__(self,row,desc):
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"""
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desc:{
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width,
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datatype:fff
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value:
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format:
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on_press:
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}
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"""
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self.desc = desc
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self.row = row
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super().__init__(size_hint=(None,None),
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width = self.desc['width'],
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height = self.row.part.datagrid.rowHeight()
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)
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if not self.row.header and self.desc.get('viewer'):
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viewer = self.desc.get('viewer')
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blocks = Factory.Blocks()
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if isinstance(viewer,str):
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l = self.desc.copy()
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l['row'] = self.row
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viewer = blocks.eval(viewer,l)
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if isinstance(viewer,dict):
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print('viewer = ', viewer)
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w = blocks.widgetBuild(viewer,ancestor=self.row.part.datagrid)
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self.add_widget(w)
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return
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if desc['header']:
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bl = I18nText(otext=str(desc['value']),
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font_size=CSize(1),
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halign='left'
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)
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else:
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bl = BLabel(text = str(desc['value']),
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font_size=CSize(1),
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halign='left'
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)
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self.add_widget(bl)
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bl.bind(on_press=self.cell_press)
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def cell_press(self,obj):
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self.row.selected()
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class Row(GridLayout):
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def __init__(self,part, rowdesc,header=False,data=None):
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"""
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rowdesc=[
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{
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width,
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name
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value
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on_press
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}
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"""
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self.part = part
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self.header = header
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self.row_data = data
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self.row_id = None
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self.linewidth = 1
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self.rowdesc = rowdesc
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super().__init__(cols=len(self.rowdesc),spacing=self.linewidth)
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# Clock.schedule_once(self.init,0)
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self.init(0)
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def init(self,t):
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w = 0
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h = 0
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for c in self.rowdesc:
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c['header'] = self.header
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cell = Cell(self,c)
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self.add_widget(cell)
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w += cell.width
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if cell.height > h:
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h = cell.height
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self.size_hint = None,None
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self.width = w + self.linewidth * 2 * len(self.rowdesc)
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self.height = h #self.part.datagrid.rowHeight()
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def selected(self):
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if not hasattr(self,'row_data'):
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return # header
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print('row selected',self.row_id, self.row_data)
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self.part.datagrid.row_selected = True
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self.part.datagrid.select_rowid = self.row_id
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self.part.datagrid.dispatch('on_selected',self)
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class Header(WidgetReady, ScrollWidget):
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def __init__(self,part,**kw):
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self.part = part
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ScrollWidget.__init__(self,**kw)
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WidgetReady.__init__(self)
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self.init(1)
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self.bind(on_scroll_stop=self.part.datagrid.on_scrollstop)
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def init(self,t):
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rd = [ f.copy() for f in self.part.rowdesc ]
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[ f.update({'value':self.part.fields[i]['label']}) for i,f in enumerate(rd) ]
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self.header = Row(self.part,rd,header=True)
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self.add_widget(self.header)
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self.height = self.header.height
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class Body(ScrollWidget):
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def __init__(self,part,**kw):
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self.part = part
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ScrollWidget.__init__(self,**kw)
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self.idRow = {}
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self.bind(on_scroll_stop=self.part.datagrid.on_scrollstop)
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def addRow(self,id, data,index=0):
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rd = [ f.copy() for f in self.part.rowdesc ]
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[ f.update({'value':data.get(f['name'])}) for f in rd ]
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row = Row(self.part,rd,data=data)
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row.row_id = id
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self.add_widget(row,index=index)
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self.idRow[id] = row
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def clearRows(self):
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self.idRow = {}
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self.clear_widgets()
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def delRowById(self,id):
|
||||
row = self.idRow[id]
|
||||
self.remove_widget(row)
|
||||
del self.idRow[id]
|
||||
|
||||
def getRowData(self,rowid):
|
||||
return self.idRow[rowid].row_data
|
||||
|
||||
def getRowHeight(self):
|
||||
return self.part.datagrid.rowHeight()
|
||||
|
||||
class DataGridPart(WidgetReady, BoxLayout):
|
||||
def __init__(self,dg, freeze_flag, fields):
|
||||
self.datagrid = dg
|
||||
self.fields = fields
|
||||
self.freeze_flag = freeze_flag
|
||||
self.fields_width = None
|
||||
BoxLayout.__init__(self, orientation='vertical')
|
||||
WidgetReady.__init__(self)
|
||||
# Clock.schedule_once(self.init,0.1)
|
||||
self.init(0)
|
||||
|
||||
def setWidth(self):
|
||||
if self.freeze_flag:
|
||||
self.size_hint_x = None
|
||||
self.width = self.getFieldsWidth()
|
||||
|
||||
def getFieldsWidth(self):
|
||||
if not self.fields_width:
|
||||
width = 0
|
||||
for f in self.rowdesc:
|
||||
width += f['width']
|
||||
self.fields_width = width
|
||||
return self.fields_width
|
||||
|
||||
def init(self,t):
|
||||
rd = []
|
||||
for f in self.fields:
|
||||
r = f.copy()
|
||||
r['width'] = CSize(f.get('width',10))
|
||||
rd.append(r)
|
||||
self.rowdesc = rd
|
||||
self.setWidth()
|
||||
kw = {}
|
||||
if self.freeze_flag:
|
||||
kw['width'] = self.fields_width
|
||||
kw['size_hint'] = (None,None)
|
||||
else:
|
||||
kw['size_hint'] = (1,None)
|
||||
|
||||
kw['height'] = self.datagrid.rowHeight()
|
||||
|
||||
if not self.datagrid.noheader:
|
||||
self.header = Header(self,**kw)
|
||||
self.add_widget(self.header)
|
||||
self.body = Body(self)
|
||||
self.add_widget(self.body)
|
||||
if not self.freeze_flag:
|
||||
self.body.bind(pos=self.datagrid.bodyOnSize,
|
||||
size=self.datagrid.bodyOnSize)
|
||||
|
||||
def clearRows(self):
|
||||
return self.body.clearRows()
|
||||
|
||||
def addRow(self,id, data):
|
||||
self.body.addRow(id, data)
|
||||
|
||||
class DataGrid(WidgetReady, BoxLayout):
|
||||
row_selected = BooleanProperty(False)
|
||||
def __init__(self,**options):
|
||||
kw = DictObject()
|
||||
kw = setSizeOptions(options,kw)
|
||||
kw.orientation = 'vertical'
|
||||
WidgetReady.__init__(self)
|
||||
BoxLayout.__init__(self,**kw)
|
||||
self.parenturl = options.get('parenturl',None)
|
||||
self.options = options
|
||||
self.noheader = options.get('noheader',False)
|
||||
self.header_bgcolor = options.get('header_bgcolor',[0.29,0.29,0.29,1])
|
||||
self.body_bgcolor = options.get('body_bgcolor',[0.25,0.25,0.25,1])
|
||||
self.color = options.get('color',[0.91,0.91,0.91,1])
|
||||
self.widget_ids = {}
|
||||
self.row_height = None
|
||||
self.selected_rowid = None
|
||||
self.dataUrl = self.options.get('dataurl')
|
||||
self.show_rows = 0
|
||||
self.toolbar = None
|
||||
self.freeze_part = None
|
||||
self.normal_part = None
|
||||
self.page_rows = self.options.get('page_rows', 60)
|
||||
self.params = self.options.get('params',{})
|
||||
self.total_cnt = 0
|
||||
self.max_row = 0
|
||||
self.curpage = 0
|
||||
self.loading = False
|
||||
self.freeze_fields = self.getPartFields(freeze_flag=True)
|
||||
self.normal_fields = self.getPartFields(freeze_flag=False)
|
||||
self.createDataGridPart()
|
||||
self.createToolbar()
|
||||
if self.toolbar:
|
||||
self.add_widget(self.toolbar)
|
||||
|
||||
b = BoxLayout(orientation='horizontal')
|
||||
if self.freeze_part:
|
||||
b.add_widget(self.freeze_part)
|
||||
if self.normal_part:
|
||||
b.add_widget(self.normal_part)
|
||||
self.add_widget(b)
|
||||
if self.options.get('paging',False):
|
||||
self.loader = Paging(adder=self.addRow,
|
||||
clearer=self.clearRows,
|
||||
dataurl=self.dataUrl,
|
||||
target=self,
|
||||
params=self.params,
|
||||
method=self.options.get('method','GET')
|
||||
)
|
||||
self.add_widget(self.loader.widget)
|
||||
else:
|
||||
self.loader = RelatedLoader(adder=self.addRow,
|
||||
remover=self.delRow,
|
||||
locater=self.setScrollPosition,
|
||||
page_rows=self.page_rows,
|
||||
dataurl=self.dataUrl,
|
||||
target=self,
|
||||
params=self.params,
|
||||
method=self.options.get('method','GET')
|
||||
)
|
||||
self.on_sizeTask = None
|
||||
self.register_event_type('on_selected')
|
||||
self.register_event_type('on_scrollstop')
|
||||
|
||||
def setScrollPosition(self,pos):
|
||||
self.normal_part.body.scroll_y = pos
|
||||
if self.freeze_part:
|
||||
self.freeze_part.body.scroll_y = pos
|
||||
|
||||
def on_scrollstop(self,o,v=None):
|
||||
if not self.noheader and o == self.normal_part.header:
|
||||
self.normal_part.body.scroll_x = o.scroll_x
|
||||
return
|
||||
if o == self.normal_part.body:
|
||||
if not self.noheader:
|
||||
self.normal_part.header.scroll_x = o.scroll_x
|
||||
if self.freeze_part:
|
||||
self.freeze_part.body.scroll_y = o.scroll_y
|
||||
if self.freeze_part and o == self.freeze_part.body:
|
||||
self.normal_part.body.scroll_y = o.scroll_y
|
||||
|
||||
if self.options.get('paging'):
|
||||
return
|
||||
if o.scroll_y <= 0.001:
|
||||
self.loader.loadNextPage()
|
||||
if o.scroll_y >= 0.999:
|
||||
self.loader.loadPreviousPage()
|
||||
|
||||
def getData(self):
|
||||
if not self.row_selected:
|
||||
return None
|
||||
return self._getRowData(self.select_rowid)
|
||||
|
||||
def _getRowData(self, rowid):
|
||||
d = {}
|
||||
if self.freeze_part:
|
||||
d.update(self.freeze_part.body.getRowData(rowid))
|
||||
d.update(self.normal_part.body.getRowData(rowid))
|
||||
print('getData() return=',d)
|
||||
return DictObject(**d)
|
||||
|
||||
def bodyOnSize(self,o,s):
|
||||
if self.on_sizeTask is not None:
|
||||
self.on_sizeTask.cancel()
|
||||
self.on_sizeTask = Clock.schedule_once(self.calculateShowRows,0.3)
|
||||
|
||||
def rowHeight(self):
|
||||
if not self.row_height:
|
||||
self.row_height = CSize(self.options.get('row_height',1.8))
|
||||
|
||||
return self.row_height
|
||||
|
||||
def calculateShowRows(self,t):
|
||||
print('body height=',self.normal_part.body.height
|
||||
,'row_height=',self.rowHeight()
|
||||
)
|
||||
self.show_rows = int(self.normal_part.body.height/self.rowHeight())
|
||||
self.loader.setPageRows(self.show_rows)
|
||||
|
||||
def getShowRows(self):
|
||||
if self.show_rows == 0:
|
||||
return 60
|
||||
return self.show_rows
|
||||
|
||||
def init(self,t):
|
||||
if self.options.get('dataurl'):
|
||||
self.loader.loadPage(1)
|
||||
else:
|
||||
data = self.options.get('data',[])
|
||||
if len(data) > 0:
|
||||
loading(self)
|
||||
for d in data:
|
||||
self.addRow()
|
||||
loaded(self)
|
||||
|
||||
def clearRows(self):
|
||||
if self.freeze_part:
|
||||
self.freeze_part.body.clearRows()
|
||||
self.normal_part.body.clearRows()
|
||||
|
||||
def addRow(self,data, **kw):
|
||||
id = getID()
|
||||
if self.freeze_part:
|
||||
self.freeze_part.body.addRow(id, data, **kw)
|
||||
self.normal_part.body.addRow(id, data, **kw)
|
||||
return id
|
||||
|
||||
def setData(self,data):
|
||||
for d in data:
|
||||
self.addRow(d)
|
||||
|
||||
def delRow(self,id,**kw):
|
||||
if self.freeze_part:
|
||||
self.freeze_part.body.delRowById(id)
|
||||
self.normal_part.body.delRowById(id)
|
||||
|
||||
def createToolbar(self):
|
||||
if 'toolbar' in self.options.keys():
|
||||
tb = self.options['toolbar']
|
||||
self.toolbar = Toolbar(ancestor=self,**tb)
|
||||
|
||||
def on_selected(self,row):
|
||||
self.selected_row = row
|
||||
|
||||
def createDataGridPart(self):
|
||||
self.freeze_part = None
|
||||
self.normal_part = None
|
||||
if self.freeze_fields:
|
||||
self.freeze_part = DataGridPart(self,True, self.freeze_fields)
|
||||
if self.normal_fields:
|
||||
self.normal_part = DataGridPart(self, False, self.normal_fields)
|
||||
|
||||
def getPartFields(self,freeze_flag:bool=False) -> list:
|
||||
fs = []
|
||||
for f in self.options['fields']:
|
||||
if freeze_flag:
|
||||
if f.get('freeze',False):
|
||||
fs.append(f)
|
||||
else:
|
||||
if not f.get('freeze',False):
|
||||
fs.append(f)
|
||||
return fs
|
||||
|
||||
def on_ready(self,o,v=None):
|
||||
print('***********onRadey*************')
|
||||
|
||||
import time
|
||||
from kivy.uix.gridlayout import GridLayout
|
||||
from kivy.uix.boxlayout import BoxLayout
|
||||
from kivy.uix.scrollview import ScrollView
|
||||
from kivy.uix.label import Label
|
||||
from kivy.uix.button import ButtonBehavior
|
||||
from kivy.clock import Clock
|
||||
from kivy.properties import BooleanProperty
|
||||
from kivy.properties import ListProperty
|
||||
from kivy.graphics import Color, Rectangle
|
||||
from kivy.app import App
|
||||
from kivy.factory import Factory
|
||||
|
||||
from appPublic.dictObject import DictObject
|
||||
from appPublic.timecost import TimeCost
|
||||
from appPublic.uniqueID import getID
|
||||
|
||||
from .utils import CSize, setSizeOptions, loading, loaded, absurl, alert
|
||||
from .baseWidget import Text
|
||||
from .widgetExt import ScrollWidget
|
||||
from .paging import Paging, RelatedLoader
|
||||
from .ready import WidgetReady
|
||||
from .toolbar import Toolbar
|
||||
from .i18n import I18nText
|
||||
|
||||
class BLabel(ButtonBehavior, Text):
|
||||
def __init__(self, **kw):
|
||||
ButtonBehavior.__init__(self)
|
||||
Text.__init__(self,**kw)
|
||||
|
||||
class Cell(BoxLayout):
|
||||
def __init__(self,row,desc):
|
||||
"""
|
||||
desc:{
|
||||
width,
|
||||
datatype:fff
|
||||
value:
|
||||
format:
|
||||
on_press:
|
||||
}
|
||||
"""
|
||||
self.desc = desc
|
||||
self.row = row
|
||||
super().__init__(size_hint=(None,None),
|
||||
width = self.desc['width'],
|
||||
height = self.row.part.datagrid.rowHeight()
|
||||
)
|
||||
if not self.row.header and self.desc.get('viewer'):
|
||||
viewer = self.desc.get('viewer')
|
||||
blocks = Factory.Blocks()
|
||||
if isinstance(viewer,str):
|
||||
l = self.desc.copy()
|
||||
l['row'] = self.row
|
||||
viewer = blocks.eval(viewer,l)
|
||||
if isinstance(viewer,dict):
|
||||
print('viewer = ', viewer)
|
||||
w = blocks.widgetBuild(viewer,ancestor=self.row.part.datagrid)
|
||||
self.add_widget(w)
|
||||
return
|
||||
if desc['header']:
|
||||
bl = I18nText(otext=str(desc['value']),
|
||||
font_size=CSize(1),
|
||||
halign='left'
|
||||
)
|
||||
else:
|
||||
bl = BLabel(text = str(desc['value']),
|
||||
font_size=CSize(1),
|
||||
halign='left'
|
||||
)
|
||||
self.add_widget(bl)
|
||||
bl.bind(on_press=self.cell_press)
|
||||
|
||||
def cell_press(self,obj):
|
||||
self.row.selected()
|
||||
|
||||
class Row(GridLayout):
|
||||
def __init__(self,part, rowdesc,header=False,data=None):
|
||||
"""
|
||||
rowdesc=[
|
||||
{
|
||||
width,
|
||||
name
|
||||
value
|
||||
on_press
|
||||
}
|
||||
|
||||
"""
|
||||
self.part = part
|
||||
self.header = header
|
||||
self.row_data = data
|
||||
self.row_id = None
|
||||
self.linewidth = 1
|
||||
self.rowdesc = rowdesc
|
||||
super().__init__(cols=len(self.rowdesc),spacing=self.linewidth)
|
||||
# Clock.schedule_once(self.init,0)
|
||||
self.init(0)
|
||||
|
||||
def init(self,t):
|
||||
w = 0
|
||||
h = 0
|
||||
for c in self.rowdesc:
|
||||
c['header'] = self.header
|
||||
cell = Cell(self,c)
|
||||
self.add_widget(cell)
|
||||
w += cell.width
|
||||
if cell.height > h:
|
||||
h = cell.height
|
||||
self.size_hint = None,None
|
||||
self.width = w + self.linewidth * 2 * len(self.rowdesc)
|
||||
self.height = h #self.part.datagrid.rowHeight()
|
||||
|
||||
def selected(self):
|
||||
if not hasattr(self,'row_data'):
|
||||
return # header
|
||||
print('row selected',self.row_id, self.row_data)
|
||||
|
||||
self.part.datagrid.row_selected = True
|
||||
self.part.datagrid.select_rowid = self.row_id
|
||||
self.part.datagrid.dispatch('on_selected',self)
|
||||
|
||||
class Header(WidgetReady, ScrollWidget):
|
||||
def __init__(self,part,**kw):
|
||||
self.part = part
|
||||
ScrollWidget.__init__(self,**kw)
|
||||
WidgetReady.__init__(self)
|
||||
self.init(1)
|
||||
self.bind(on_scroll_stop=self.part.datagrid.on_scrollstop)
|
||||
|
||||
def init(self,t):
|
||||
rd = [ f.copy() for f in self.part.rowdesc ]
|
||||
[ f.update({'value':self.part.fields[i]['label']}) for i,f in enumerate(rd) ]
|
||||
self.header = Row(self.part,rd,header=True)
|
||||
self.add_widget(self.header)
|
||||
self.height = self.header.height
|
||||
|
||||
class Body(ScrollWidget):
|
||||
def __init__(self,part,**kw):
|
||||
self.part = part
|
||||
ScrollWidget.__init__(self,**kw)
|
||||
self.idRow = {}
|
||||
self.bind(on_scroll_stop=self.part.datagrid.on_scrollstop)
|
||||
|
||||
def addRow(self,id, data,index=0):
|
||||
rd = [ f.copy() for f in self.part.rowdesc ]
|
||||
[ f.update({'value':data.get(f['name'])}) for f in rd ]
|
||||
row = Row(self.part,rd,data=data)
|
||||
row.row_id = id
|
||||
self.add_widget(row,index=index)
|
||||
self.idRow[id] = row
|
||||
return row
|
||||
|
||||
def clearRows(self):
|
||||
self.idRow = {}
|
||||
self.clear_widgets()
|
||||
|
||||
def delRowById(self,id):
|
||||
row = self.idRow[id]
|
||||
self.remove_widget(row)
|
||||
del self.idRow[id]
|
||||
|
||||
def getRowData(self,rowid):
|
||||
return self.idRow[rowid].row_data
|
||||
|
||||
def getRowHeight(self):
|
||||
return self.part.datagrid.rowHeight()
|
||||
|
||||
class DataGridPart(WidgetReady, BoxLayout):
|
||||
def __init__(self,dg, freeze_flag, fields):
|
||||
self.datagrid = dg
|
||||
self.fields = fields
|
||||
self.freeze_flag = freeze_flag
|
||||
self.fields_width = None
|
||||
BoxLayout.__init__(self, orientation='vertical')
|
||||
WidgetReady.__init__(self)
|
||||
# Clock.schedule_once(self.init,0.1)
|
||||
self.init(0)
|
||||
|
||||
def setWidth(self):
|
||||
if self.freeze_flag:
|
||||
self.size_hint_x = None
|
||||
self.width = self.getFieldsWidth()
|
||||
|
||||
def getFieldsWidth(self):
|
||||
if not self.fields_width:
|
||||
width = 0
|
||||
for f in self.rowdesc:
|
||||
width += f['width']
|
||||
self.fields_width = width
|
||||
return self.fields_width
|
||||
|
||||
def init(self,t):
|
||||
rd = []
|
||||
for f in self.fields:
|
||||
r = f.copy()
|
||||
r['width'] = CSize(f.get('width',10))
|
||||
rd.append(r)
|
||||
self.rowdesc = rd
|
||||
self.setWidth()
|
||||
kw = {}
|
||||
if self.freeze_flag:
|
||||
kw['width'] = self.fields_width
|
||||
kw['size_hint'] = (None,None)
|
||||
else:
|
||||
kw['size_hint'] = (1,None)
|
||||
|
||||
kw['height'] = self.datagrid.rowHeight()
|
||||
|
||||
if not self.datagrid.noheader:
|
||||
self.header = Header(self,**kw)
|
||||
self.add_widget(self.header)
|
||||
self.body = Body(self)
|
||||
self.add_widget(self.body)
|
||||
if not self.freeze_flag:
|
||||
self.body.bind(pos=self.datagrid.bodyOnSize,
|
||||
size=self.datagrid.bodyOnSize)
|
||||
|
||||
def clearRows(self):
|
||||
return self.body.clearRows()
|
||||
|
||||
def addRow(self,id, data):
|
||||
return self.body.addRow(id, data)
|
||||
|
||||
class DataGrid(WidgetReady, BoxLayout):
|
||||
row_selected = BooleanProperty(False)
|
||||
def __init__(self,**options):
|
||||
kw = DictObject()
|
||||
kw = setSizeOptions(options,kw)
|
||||
kw.orientation = 'vertical'
|
||||
WidgetReady.__init__(self)
|
||||
BoxLayout.__init__(self,**kw)
|
||||
self.parenturl = options.get('parenturl',None)
|
||||
self.options = options
|
||||
self.noheader = options.get('noheader',False)
|
||||
self.header_bgcolor = options.get('header_bgcolor',[0.29,0.29,0.29,1])
|
||||
self.body_bgcolor = options.get('body_bgcolor',[0.25,0.25,0.25,1])
|
||||
self.color = options.get('color',[0.91,0.91,0.91,1])
|
||||
self.widget_ids = {}
|
||||
self.row_height = None
|
||||
self.selected_rowid = None
|
||||
self.dataUrl = self.options.get('dataurl')
|
||||
self.show_rows = 0
|
||||
self.toolbar = None
|
||||
self.freeze_part = None
|
||||
self.normal_part = None
|
||||
self.page_rows = self.options.get('page_rows', 60)
|
||||
self.params = self.options.get('params',{})
|
||||
self.total_cnt = 0
|
||||
self.max_row = 0
|
||||
self.curpage = 0
|
||||
self.loading = False
|
||||
self.freeze_fields = self.getPartFields(freeze_flag=True)
|
||||
self.normal_fields = self.getPartFields(freeze_flag=False)
|
||||
self.createDataGridPart()
|
||||
self.createToolbar()
|
||||
if self.toolbar:
|
||||
self.add_widget(self.toolbar)
|
||||
|
||||
b = BoxLayout(orientation='horizontal')
|
||||
if self.freeze_part:
|
||||
b.add_widget(self.freeze_part)
|
||||
if self.normal_part:
|
||||
b.add_widget(self.normal_part)
|
||||
self.add_widget(b)
|
||||
ldr_desc = options.get('dataloader')
|
||||
if not ldr_desc:
|
||||
raise Exception('DataGrid need a DataLoader')
|
||||
self.dataloader = RelatedLoader(target=self, **ldr_desc)
|
||||
self.dataloader.bind(on_deletepage=self.delete_page)
|
||||
self.dataloader.bind(on_pageloaded=self.add_page)
|
||||
self.dataloader.bind(on_newbegin=self.clearRows)
|
||||
self.on_sizeTask = None
|
||||
self.register_event_type('on_selected')
|
||||
self.register_event_type('on_scrollstop')
|
||||
|
||||
def locater(self,pos):
|
||||
self.normal_part.body.scroll_y = pos
|
||||
if self.freeze_part:
|
||||
self.freeze_part.body.scroll_y = pos
|
||||
|
||||
def on_scrollstop(self,o,v=None):
|
||||
if not self.noheader and o == self.normal_part.header:
|
||||
self.normal_part.body.scroll_x = o.scroll_x
|
||||
return
|
||||
if o == self.normal_part.body:
|
||||
if not self.noheader:
|
||||
self.normal_part.header.scroll_x = o.scroll_x
|
||||
if self.freeze_part:
|
||||
self.freeze_part.body.scroll_y = o.scroll_y
|
||||
if self.freeze_part and o == self.freeze_part.body:
|
||||
self.normal_part.body.scroll_y = o.scroll_y
|
||||
|
||||
if o.scroll_y <= 0.001:
|
||||
self.loader.loadNextPage()
|
||||
if o.scroll_y >= 0.999:
|
||||
self.loader.loadPreviousPage()
|
||||
|
||||
def getData(self):
|
||||
if not self.row_selected:
|
||||
return None
|
||||
return self._getRowData(self.select_rowid)
|
||||
|
||||
def _getRowData(self, rowid):
|
||||
d = {}
|
||||
if self.freeze_part:
|
||||
d.update(self.freeze_part.body.getRowData(rowid))
|
||||
d.update(self.normal_part.body.getRowData(rowid))
|
||||
print('getData() return=',d)
|
||||
return DictObject(**d)
|
||||
|
||||
def bodyOnSize(self,o,s):
|
||||
if self.on_sizeTask is not None:
|
||||
self.on_sizeTask.cancel()
|
||||
self.on_sizeTask = Clock.schedule_once(self.calculateShowRows,0.3)
|
||||
|
||||
def rowHeight(self):
|
||||
if not self.row_height:
|
||||
self.row_height = CSize(self.options.get('row_height',1.8))
|
||||
|
||||
return self.row_height
|
||||
|
||||
def calculateShowRows(self,t):
|
||||
print('body height=',self.normal_part.body.height
|
||||
,'row_height=',self.rowHeight()
|
||||
)
|
||||
self.show_rows = int(self.normal_part.body.height/self.rowHeight())
|
||||
self.loader.setPageRows(self.show_rows)
|
||||
|
||||
def getShowRows(self):
|
||||
if self.show_rows == 0:
|
||||
return 60
|
||||
return self.show_rows
|
||||
|
||||
def clearRows(self):
|
||||
if self.freeze_part:
|
||||
self.freeze_part.body.clearRows()
|
||||
self.normal_part.body.clearRows()
|
||||
|
||||
def add_page(self,o,data):
|
||||
ids = []
|
||||
recs = data['data']
|
||||
page = data['page']
|
||||
dir = data['dir']
|
||||
idx = 0
|
||||
if dir == 'up':
|
||||
recs.reverse()
|
||||
idx = -1
|
||||
for r in recs:
|
||||
ids.append(self.addRow(r,index=idx))
|
||||
self.dataloader.bufferObjects(page,ids)
|
||||
x = self.dataloader.getLocater()
|
||||
self.locater(x)
|
||||
|
||||
def delete_page(self,o,data):
|
||||
for id in data:
|
||||
self.delRow(id)
|
||||
|
||||
def addRow(self,data, **kw):
|
||||
id = getID()
|
||||
f_row = None
|
||||
if self.freeze_part:
|
||||
self.freeze_part.body.addRow(id, data, **kw)
|
||||
self.normal_part.body.addRow(id, data, **kw)
|
||||
return id
|
||||
|
||||
def delRow(self,id,**kw):
|
||||
if self.freeze_part:
|
||||
self.freeze_part.body.delRowById(id)
|
||||
self.normal_part.body.delRowById(id)
|
||||
|
||||
def createToolbar(self):
|
||||
if 'toolbar' in self.options.keys():
|
||||
tb = self.options['toolbar']
|
||||
self.toolbar = Toolbar(ancestor=self,**tb)
|
||||
|
||||
def on_selected(self,row):
|
||||
self.selected_row = row
|
||||
|
||||
def createDataGridPart(self):
|
||||
self.freeze_part = None
|
||||
self.normal_part = None
|
||||
if self.freeze_fields:
|
||||
self.freeze_part = DataGridPart(self,True, self.freeze_fields)
|
||||
if self.normal_fields:
|
||||
self.normal_part = DataGridPart(self, False, self.normal_fields)
|
||||
|
||||
def getPartFields(self,freeze_flag:bool=False) -> list:
|
||||
fs = []
|
||||
for f in self.options['fields']:
|
||||
if freeze_flag:
|
||||
if f.get('freeze',False):
|
||||
fs.append(f)
|
||||
else:
|
||||
if not f.get('freeze',False):
|
||||
fs.append(f)
|
||||
return fs
|
||||
|
||||
def on_ready(self,o,v=None):
|
||||
print('***********onRadey*************')
|
||||
|
||||
Factory.register('DataGrid',DataGrid)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user