72 lines
1.6 KiB
Python
72 lines
1.6 KiB
Python
from kivy.utils import platform
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from .responsivelayout import VResponsiveLayout
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from .utils import isHandHold
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from .paging import RelatedLoader
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"""
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options format
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{
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box_width:optional, if set, the child width
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dataurl: url to get data
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page_rows:records per read
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viewer:{
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widgettype:an class name to show the object
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options:{
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}
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},
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binds:[
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bind info
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]
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}
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"""
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class ObjectViewer(VResponsiveLayout):
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def __init__(self, dataurl=None, viewer={},
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page_rows=25,params={},**options):
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super().__init__(**options)
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self.options = options
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self.dataUrl = dataurl
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self.params = params
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self.viewer = viewer
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self.page_rows = page_rows
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self.initflag = False
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def setScrollPos(self,pos):
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print('setScrollPos(),pos=',pos)
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self.scroll_y = pos
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def sizeChangedWork(self,v=None):
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super().sizeChangedWork()
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if not self.initflag:
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self.initflag = True
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self.loader = RelatedLoader(
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adder=self.showObject,
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remover=self.remove_widget,
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locater=self.setScrollPos,
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page_rows=self.page_rows,
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dataurl=self.dataUrl,
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target=self,
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params=self.params,
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method=self.options.get('method','GET')
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)
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self.loader.loadPage(1)
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print('ObjectViewer:::::::::::::self.size=',self.size)
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def on_scroll_stop(self,o,v=None):
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return
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print('on_scroll_stop(), self.scroll_y=', self.scroll_y,
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self._inner.pos,
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self._inner.size,
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self.size)
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if self.scroll_y >=0.999:
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print('on_scroll_stop(), move_up')
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self.loader.loadPreviousPage()
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if self.scroll_y <= 0.001:
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print('on_scroll_stop(), move_down')
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self.loader.loadNextPage()
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def showObject(self,rec,**kw):
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pass
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