bugfix
This commit is contained in:
yumoqing
parent
c13dd66f05
commit
70256ae9de
1641
kivyblocks/blocks.py
1641
kivyblocks/blocks.py
File diff suppressed because it is too large
Load Diff
@ -1,182 +1,193 @@
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from kivy.event import EventDispatcher
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from kivy.app import App
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from kivy.factory import Factory
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from .threadcall import HttpClient
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from .utils import absurl
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from appPublic.registerfunction import RegisterFunction
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class DataGraber(EventDispatcher):
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"""
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Graber format
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{
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"widgettype":"DataGraber",
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"options":{
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"dataurl":"first",
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"datarfname":"second",
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"target":"third",
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"params":
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"method":
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"pagging":"default false"
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}
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}
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if dataurl present, the DataGraber using this dataurl to get and
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return data
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else if datarfname present, it find a registered function named
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by 'datarfname' to return data
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else if datatarget present, it find the widget and uses target
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method(default is 'getValue') to return data
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else it return None
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"""
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def __init__(self, **kw):
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super().__init__()
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self.options = kw
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self.register_event_type('on_success')
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self.register_event_type('on_error')
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def load(self, *args, **kw):
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ret = None
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while True:
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try:
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dataurl = self.options.get('dataurl')
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if dataurl:
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ret = self.loadUrlData(*args, **kw)
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break
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rfname = self.options.get('datarfname')
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if rfname:
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ret = self.loadRFData(*args, **kw)
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break
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target = self.options.get('datatarget')
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if target:
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ret = self.loadTargetData(*args, **kw)
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break
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except Exception as e:
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self.dispatch('on_error', e)
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return
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if ret:
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self.dispatch('on_success',ret)
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else:
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e = Exception('Not method to do load')
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self.dispatch('on_error', e)
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def loadUrlData(self, *args, **kw):
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dataurl = self.options.get('dataurl')
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hc = HttpClient()
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params = self.options.get('params',{}).copy()
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params.update(kw)
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method = self.options.get('method','GET')
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d = hc(dataurl, params=params,method=method)
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return d
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def loadRFData(self, *args, **kw):
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rfname = self.options.get('datarfname')
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rf = RegisterFunction()
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f = rf.get(rfname)
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if not f:
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return None
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params = self.options.get('params',{}).copy()
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params.update(kw)
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try:
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d = f(**params)
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return d
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except Exception as e:
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Logger.info('blocks : Exception:%s',e)
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print_exc()
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return None
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def loadTargetData(self, *args, **kw):
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target = self.options.get('datatarget')
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w = Factory.Blocks.getWidgetById(target)
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if not w:
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return None
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params = self.options.get('params',{}).copy()
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params.update(kw)
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method = params.get('method', 'getValue')
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if not has(w, method):
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return None
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try:
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f = getattr(w, method)
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d = f()
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return d
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except Exception as e:
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Logger.info('blocks : Exception %s', e)
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print_exc()
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return None
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def on_success(self,d):
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pass
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def on_error(self,e):
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pass
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class DataLoader(EventDispatcher):
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def __init__(self,data_user):
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self.data_user = data_user
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EventDispatcher.__init__(self)
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self.register_event_type('on_success')
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self.register_event_type('on_error')
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def on_success(self,d):
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pass
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def on_error(self,e):
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pass
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def load(self):
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pass
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class HttpDataLoader(DataLoader):
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def load(self, *args, **kw):
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app = App.get_running_app()
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url = app.realurl(self.data_user.url)
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method = self.data_user.method
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params = self.data_user.params.copy()
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params.update({
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"page":self.data_user.curpage,
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"rows":self.data_user.page_rows
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})
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hc = HttpClient()
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try:
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r = hc(url, method=method, params=params)
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self.dispatch('on_success', r)
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return r
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except Exception as e:
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self.dispatch('on_error', e)
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class ListDataLoader(DataLoader):
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def load(self, *args, **kw):
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p = self.data_user.curpage
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r = self.data_user.page_rows
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try:
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s = self.data_user.data[(p-1)*r:p*r]
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d = {
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"total":len(self.data_user.data),
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"rows":s
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}
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self.dispatch('on_success', d)
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return d
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except Exception as e:
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self.dispatch('on_error', e)
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class RegisterFunctionDataLoader(DataLoader):
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def load(self, *args, **kw):
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rf = RegisterFunction()
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try:
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rfname = self.data_user.rfname
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func = rf.get(rfname)
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if func is None:
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raise Exception('%s is not a registerfunction' % rfname)
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params = {k:v for k,v in self.user_data.params.items()}
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params.update({
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"page":self.data_user.curpage,
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"rows":self.data_user.page_rows
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})
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s = func(**params)
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self.dispatch('on_success', s)
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return s
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except Exception as e:
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self.dispatch('on_error', e)
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from kivy.event import EventDispatcher
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from kivy.app import App
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from kivy.factory import Factory
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from .threadcall import HttpClient
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from .utils import absurl
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from appPublic.registerfunction import RegisterFunction
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def getUrlData(url, method='GET', params={}):
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blocks = Factory.Blocks()
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d = blocks.getUrlData(url, method=method,
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params=params)
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return d
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class DataGraber(EventDispatcher):
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"""
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Graber format
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{
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"widgettype":"DataGraber",
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"options":{
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"dataurl":"first",
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"datarfname":"second",
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"target":"third",
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"params":
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"method":
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"paging":"default false"
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}
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}
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if dataurl present, the DataGraber using this dataurl to get and
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return data
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else if datarfname present, it find a registered function named
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by 'datarfname' to return data
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else if datatarget present, it find the widget and uses target
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method(default is 'getValue') to return data
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else it return None
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"""
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def __init__(self, **kw):
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super().__init__()
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self.options = kw
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self.register_event_type('on_success')
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self.register_event_type('on_error')
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def load(self, *args, **kw):
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ret = None
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if self.options['paging']:
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if kw.get('rows') is None:
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kw['rows'] = 60
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if kw.get('page') is None:
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kw['page'] = 1
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while True:
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try:
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dataurl = self.options.get('dataurl')
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if dataurl:
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ret = self.loadUrlData(*args, **kw)
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break
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rfname = self.options.get('datarfname')
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if rfname:
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ret = self.loadRFData(*args, **kw)
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break
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target = self.options.get('datatarget')
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if target:
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ret = self.loadTargetData(*args, **kw)
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break
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except Exception as e:
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self.dispatch('on_error', e)
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return
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if ret:
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self.dispatch('on_success',ret)
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else:
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e = Exception('Not method to do load')
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self.dispatch('on_error', e)
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def loadUrlData(self, *args, **kw):
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dataurl = self.options.get('dataurl')
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params = self.options.get('params',{}).copy()
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params.update(kw)
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method = self.options.get('method','GET')
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d = getUrlData(dataurl, method=method,
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params=params)
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return d
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def loadRFData(self, *args, **kw):
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rfname = self.options.get('datarfname')
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rf = RegisterFunction()
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f = rf.get(rfname)
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if not f:
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return None
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params = self.options.get('params',{}).copy()
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params.update(kw)
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try:
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d = f(**params)
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return d
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except Exception as e:
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Logger.info('blocks : Exception:%s',e)
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print_exc()
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return None
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def loadTargetData(self, *args, **kw):
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target = self.options.get('datatarget')
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w = Factory.Blocks.getWidgetById(target)
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if not w:
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return None
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params = self.options.get('params',{}).copy()
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params.update(kw)
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method = params.get('method', 'getValue')
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if not has(w, method):
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return None
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try:
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f = getattr(w, method)
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d = f()
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return d
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except Exception as e:
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Logger.info('blocks : Exception %s', e)
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print_exc()
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return None
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def on_success(self,d):
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pass
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def on_error(self,e):
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pass
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class DataLoader(EventDispatcher):
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def __init__(self,data_user):
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self.data_user = data_user
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EventDispatcher.__init__(self)
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self.register_event_type('on_success')
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self.register_event_type('on_error')
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def on_success(self,d):
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pass
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def on_error(self,e):
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pass
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def load(self):
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pass
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class UrlDataLoader(DataLoader):
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def load(self, *args, **kw):
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app = App.get_running_app()
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url = app.realurl(self.data_user.url)
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method = self.data_user.method
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params = self.data_user.params.copy()
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params.update({
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"page":self.data_user.curpage,
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"rows":self.data_user.page_rows
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})
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try:
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r = getUrlData(url, method=method, params=params)
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self.dispatch('on_success', r)
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return r
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except Exception as e:
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self.dispatch('on_error', e)
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class ListDataLoader(DataLoader):
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def load(self, *args, **kw):
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p = self.data_user.curpage
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r = self.data_user.page_rows
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try:
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s = self.data_user.data[(p-1)*r:p*r]
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d = {
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"total":len(self.data_user.data),
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"rows":s
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}
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self.dispatch('on_success', d)
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return d
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except Exception as e:
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self.dispatch('on_error', e)
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class RegisterFunctionDataLoader(DataLoader):
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def load(self, *args, **kw):
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rf = RegisterFunction()
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try:
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rfname = self.data_user.rfname
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func = rf.get(rfname)
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if func is None:
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raise Exception('%s is not a registerfunction' % rfname)
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params = {k:v for k,v in self.user_data.params.items()}
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params.update({
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"page":self.data_user.curpage,
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"rows":self.data_user.page_rows
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})
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s = func(**params)
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self.dispatch('on_success', s)
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return s
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except Exception as e:
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self.dispatch('on_error', e)
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@ -1,324 +1,324 @@
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import traceback
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import math
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from kivy.logger import Logger
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from kivy.event import EventDispatcher
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from kivy.uix.boxlayout import BoxLayout
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from kivy.uix.button import Button
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from kivy.clock import Clock
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from kivy.app import App
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from functools import partial
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from appPublic.dictObject import DictObject
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from appPublic.jsonConfig import getConfig
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from .baseWidget import Text, HTTPDataHandler
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from .utils import CSize, absurl, alert
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from .form import StrSearchForm
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from .dataloader import HttpDataLoader
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from .dataloader import ListDataLoader
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from .dataloader import RegisterFunctionDataLoader
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class PagingButton(Button):
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def __init__(self, **kw):
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super().__init__(**kw)
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self.size_hint = (None,None)
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self.size = CSize(2,1.8)
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self.font_size = CSize(1)
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"""
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{
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dataurl
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params
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method
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locater
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filter
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}
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PageLoader load data in a page size once.
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it fires two type of event
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'on_newbegin':fire when start a new parameters loading series
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'on_pageloaded':fire when a page data loads success
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"""
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class PageLoader(EventDispatcher):
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def __init__(self,target=None, **options):
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self.loading = False
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self.target = target
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self.options = options
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self.filter = None
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if options.get('filter'):
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self.filter = StrSearchForm(**options['filter'])
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self.filter.bind(on_submit=self.do_search)
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self.params = options.get('params',{})
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self.method = options.get('method','GET')
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self.url = options.get('dataurl')
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self.rfname = options.get('rfname')
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self.data = options.get('data')
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self.page_rows = options.get('page_rows',60)
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self.total_cnt = 0
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self.total_page = 0
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self.curpage = 0
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self.dir = 'down'
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self.register_event_type('on_newbegin')
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self.register_event_type('on_pageloaded')
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self.newbegin = True
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if self.url:
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self.loader = HttpDataLoader(self)
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elif self.rfname:
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self.loader = RegisterFunctionDataLoader(self)
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elif self.data:
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self.loader = ListDataLoader(self)
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else:
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raise Exception('need a url or rfname or data')
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self.loader.bind(on_success=self.show_page)
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self.loader.bind(on_error=self.onerror)
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def on_newbegin(self):
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pass
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def on_pageloaded(self,d):
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"""
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d={
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page:
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data:[]
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dir:'up' or 'down'
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}
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"""
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def do_search(self,o,params):
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self.newbegin = True
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self.total_cnt = 0
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self.total_page = 0
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self.curpage = 0
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self.dir = 'down'
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self.dispatch('on_newbegin')
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self.params.update(params)
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self.loadPage(1)
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def calculateTotalPage(self):
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self.total_page = math.floor(self.total_cnt / self.page_rows)
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if self.total_cnt % self.page_rows != 0:
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self.total_page += 1
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def setPageRows(self,row_cnt):
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if row_cnt == 0:
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return
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self.page_rows = row_cnt
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if self.total_cnt != 0:
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self.calculateTotalPage()
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def show_page(self,o,d):
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p = (self.curpage - 1) * self.page_rows + 1
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for r in d['rows']:
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r['__posInSet__'] = p
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p += 1
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self.total_cnt = d['total']
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self.calculateTotalPage()
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d = {
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"page":self.curpage,
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"dir":self.dir,
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"data":d['rows']
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}
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self.dispatch('on_pageloaded',d)
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self.loading = False
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def onerror(self,o,e):
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traceback.print_exc()
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alert(str(e),title='alert')
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self.loading = False
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def loadNextPage(self):
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if self.loading:
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print('is loading, return')
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return
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if self.total_page > 0 and self.curpage >=self.total_page:
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return
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p = self.curpage + 1
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self.loadPage(p)
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def loadPreviousPage(self):
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if self.loading:
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print('is loading, return')
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return
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if self.curpage <= 1:
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return
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p = self.curpage - 1
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self.loadPage(p)
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|
||||
def loadPage(self,p):
|
||||
if p == self.curpage:
|
||||
return
|
||||
|
||||
if self.loading:
|
||||
print('is loading, return')
|
||||
return
|
||||
|
||||
self.loading = True
|
||||
print(f'loading {p} page, {self.curpage}')
|
||||
if self.curpage > p:
|
||||
self.dir = 'up'
|
||||
else:
|
||||
self.dir = 'down'
|
||||
self.curpage = p
|
||||
self.loader.load()
|
||||
|
||||
"""
|
||||
{
|
||||
adder,
|
||||
remover
|
||||
target,
|
||||
locater,
|
||||
dataurl,
|
||||
params,
|
||||
method,
|
||||
filter
|
||||
}
|
||||
events:
|
||||
'on_deletepage': erase
|
||||
|
||||
"""
|
||||
class RelatedLoader(PageLoader):
|
||||
def __init__(self, **options):
|
||||
super().__init__(**options)
|
||||
self.objectPages = {}
|
||||
self.totalObj = 0
|
||||
self.MaxbufferPage = 3
|
||||
self.locater = 1/self.MaxbufferPage
|
||||
if self.filter:
|
||||
self.widget = self.filter
|
||||
else:
|
||||
self.widget = None
|
||||
self.register_event_type('on_deletepage')
|
||||
|
||||
def do_search(self,o,params):
|
||||
self.objectPages = {}
|
||||
self.totalObj = 0
|
||||
self.MaxbufferPage = 3
|
||||
self.locater = 1/self.MaxbufferPage
|
||||
super().do_search(o, params)
|
||||
|
||||
def getLocater(self):
|
||||
if self.newbegin:
|
||||
self.newbegin = False
|
||||
return 1
|
||||
|
||||
x = 1 / self.MaxbufferPage
|
||||
if self.dir != 'down':
|
||||
x = 1 - x
|
||||
return x
|
||||
|
||||
def on_deletepage(self,d):
|
||||
pass
|
||||
|
||||
def setPageRows(self,row_cnt):
|
||||
if self.total_cnt != 0:
|
||||
self.calculateTotalPage()
|
||||
|
||||
def doBufferMaintain(self):
|
||||
siz = len(self.objectPages.keys())
|
||||
if siz >= self.MaxbufferPage:
|
||||
if self.dir == 'up':
|
||||
p = max(self.objectPages.keys())
|
||||
else:
|
||||
p = min(self.objectPages.keys())
|
||||
self.deleteBuffer(p)
|
||||
|
||||
def deleteBuffer(self,page):
|
||||
d = self.objectPages[page]
|
||||
self.dispatch('on_deletepage',d)
|
||||
self.totalObj -= len(self.objectPages[page])
|
||||
del self.objectPages[page]
|
||||
|
||||
def bufferObjects(self,page,objects):
|
||||
self.objectPages[page] = objects
|
||||
|
||||
|
||||
def show_page(self,o,data):
|
||||
if self.objectPages.get(self.curpage):
|
||||
self.deleteBuffer(self.curpage)
|
||||
else:
|
||||
self.doBufferMaintain()
|
||||
self.totalObj += len(data['rows'])
|
||||
super().show_page(o,data)
|
||||
|
||||
def loadPreviousPage(self):
|
||||
pages = self.objectPages.keys()
|
||||
if len(pages) < 1:
|
||||
return
|
||||
|
||||
page = min(pages)
|
||||
if page <= 1:
|
||||
return
|
||||
|
||||
page -= 1
|
||||
self.loadPage(page)
|
||||
|
||||
def loadNextPage(self):
|
||||
pages = self.objectPages.keys()
|
||||
if len(pages) == 0:
|
||||
return
|
||||
page = max(pages)
|
||||
if page>=self.total_page:
|
||||
return
|
||||
page += 1
|
||||
self.loadPage(page)
|
||||
|
||||
"""
|
||||
{
|
||||
adder,
|
||||
clearer
|
||||
target,
|
||||
dataurl
|
||||
params,
|
||||
method
|
||||
}
|
||||
"""
|
||||
class Paging(PageLoader):
|
||||
def __init__(self,**options):
|
||||
PageLoader.__init__(self,**options)
|
||||
self.target = options.get('target')
|
||||
self.init()
|
||||
|
||||
def init(self):
|
||||
kwargs = {}
|
||||
kwargs['size_hint_y'] = None
|
||||
kwargs['height'] = CSize(2)
|
||||
kwargs['orientation'] = 'horizontal'
|
||||
kwargs['spacing'] = CSize(1)
|
||||
self.widget = BoxLayout(**kwargs)
|
||||
self.b_f = PagingButton(text="|<")
|
||||
self.b_p = PagingButton(text="<")
|
||||
self.b_n = PagingButton(text=">")
|
||||
self.b_l = PagingButton(text=">|")
|
||||
self.b_f.bind(on_press=self.loadFirstPage)
|
||||
self.b_p.bind(on_press=self.loadPreviousPage)
|
||||
self.b_n.bind(on_press=self.loadNextPage)
|
||||
self.b_l.bind(on_press=self.loadLastPage)
|
||||
self.widget.add_widget(self.b_f)
|
||||
self.widget.add_widget(self.b_p)
|
||||
self.widget.add_widget(self.b_n)
|
||||
self.widget.add_widget(self.b_l)
|
||||
if self.filter:
|
||||
self.widget.add_widget(self.filter)
|
||||
|
||||
def loadFirstPage(self,o=None):
|
||||
if self.curpage == 1:
|
||||
return
|
||||
self.loadPage(1)
|
||||
|
||||
def loadPreviousPage(self,o=None):
|
||||
if self.curpage < 2:
|
||||
return
|
||||
self.loadPage(self.curpage-1)
|
||||
|
||||
def loadNextPage(self,o=None):
|
||||
if self.curpage >= self.total_page:
|
||||
return
|
||||
self.loadPage(self.curpage+1)
|
||||
|
||||
def loadLastPage(self,o=None):
|
||||
if self.curpage >= self.total_page:
|
||||
return
|
||||
self.loadPage(self.total_page)
|
||||
|
||||
import traceback
|
||||
import math
|
||||
|
||||
from kivy.logger import Logger
|
||||
from kivy.event import EventDispatcher
|
||||
from kivy.uix.boxlayout import BoxLayout
|
||||
from kivy.uix.button import Button
|
||||
from kivy.clock import Clock
|
||||
from kivy.app import App
|
||||
from functools import partial
|
||||
from appPublic.dictObject import DictObject
|
||||
from appPublic.jsonConfig import getConfig
|
||||
from .baseWidget import Text, HTTPDataHandler
|
||||
from .utils import CSize, absurl, alert
|
||||
from .form import StrSearchForm
|
||||
from .dataloader import UrlDataLoader
|
||||
from .dataloader import ListDataLoader
|
||||
from .dataloader import RegisterFunctionDataLoader
|
||||
|
||||
class PagingButton(Button):
|
||||
def __init__(self, **kw):
|
||||
super().__init__(**kw)
|
||||
self.size_hint = (None,None)
|
||||
self.size = CSize(2,1.8)
|
||||
self.font_size = CSize(1)
|
||||
|
||||
"""
|
||||
{
|
||||
dataurl
|
||||
params
|
||||
method
|
||||
locater
|
||||
filter
|
||||
}
|
||||
|
||||
PageLoader load data in a page size once.
|
||||
it fires two type of event
|
||||
'on_newbegin':fire when start a new parameters loading series
|
||||
'on_pageloaded':fire when a page data loads success
|
||||
"""
|
||||
|
||||
class PageLoader(EventDispatcher):
|
||||
def __init__(self,target=None, **options):
|
||||
self.loading = False
|
||||
self.target = target
|
||||
self.options = options
|
||||
self.filter = None
|
||||
if options.get('filter'):
|
||||
self.filter = StrSearchForm(**options['filter'])
|
||||
self.filter.bind(on_submit=self.do_search)
|
||||
self.params = options.get('params',{})
|
||||
self.method = options.get('method','GET')
|
||||
self.url = options.get('dataurl')
|
||||
self.rfname = options.get('rfname')
|
||||
self.data = options.get('data')
|
||||
self.page_rows = options.get('page_rows',60)
|
||||
self.total_cnt = 0
|
||||
self.total_page = 0
|
||||
self.curpage = 0
|
||||
self.dir = 'down'
|
||||
self.register_event_type('on_newbegin')
|
||||
self.register_event_type('on_pageloaded')
|
||||
self.newbegin = True
|
||||
if self.url:
|
||||
self.loader = UrlDataLoader(self)
|
||||
elif self.rfname:
|
||||
self.loader = RegisterFunctionDataLoader(self)
|
||||
elif self.data:
|
||||
self.loader = ListDataLoader(self)
|
||||
else:
|
||||
raise Exception('need a url or rfname or data')
|
||||
self.loader.bind(on_success=self.show_page)
|
||||
self.loader.bind(on_error=self.onerror)
|
||||
|
||||
def on_newbegin(self):
|
||||
pass
|
||||
|
||||
def on_pageloaded(self,d):
|
||||
"""
|
||||
d={
|
||||
page:
|
||||
data:[]
|
||||
dir:'up' or 'down'
|
||||
}
|
||||
"""
|
||||
|
||||
def do_search(self,o,params):
|
||||
self.newbegin = True
|
||||
self.total_cnt = 0
|
||||
self.total_page = 0
|
||||
self.curpage = 0
|
||||
self.dir = 'down'
|
||||
self.dispatch('on_newbegin')
|
||||
self.params.update(params)
|
||||
self.loadPage(1)
|
||||
|
||||
def calculateTotalPage(self):
|
||||
self.total_page = math.floor(self.total_cnt / self.page_rows)
|
||||
if self.total_cnt % self.page_rows != 0:
|
||||
self.total_page += 1
|
||||
|
||||
def setPageRows(self,row_cnt):
|
||||
if row_cnt == 0:
|
||||
return
|
||||
self.page_rows = row_cnt
|
||||
if self.total_cnt != 0:
|
||||
self.calculateTotalPage()
|
||||
|
||||
def show_page(self,o,d):
|
||||
p = (self.curpage - 1) * self.page_rows + 1
|
||||
for r in d['rows']:
|
||||
r['__posInSet__'] = p
|
||||
p += 1
|
||||
self.total_cnt = d['total']
|
||||
self.calculateTotalPage()
|
||||
d = {
|
||||
"page":self.curpage,
|
||||
"dir":self.dir,
|
||||
"data":d['rows']
|
||||
}
|
||||
self.dispatch('on_pageloaded',d)
|
||||
self.loading = False
|
||||
|
||||
def onerror(self,o,e):
|
||||
traceback.print_exc()
|
||||
alert(str(e),title='alert')
|
||||
self.loading = False
|
||||
|
||||
def loadNextPage(self):
|
||||
if self.loading:
|
||||
print('is loading, return')
|
||||
return
|
||||
|
||||
if self.total_page > 0 and self.curpage >=self.total_page:
|
||||
return
|
||||
p = self.curpage + 1
|
||||
self.loadPage(p)
|
||||
|
||||
def loadPreviousPage(self):
|
||||
if self.loading:
|
||||
print('is loading, return')
|
||||
return
|
||||
|
||||
if self.curpage <= 1:
|
||||
return
|
||||
p = self.curpage - 1
|
||||
self.loadPage(p)
|
||||
|
||||
def loadPage(self,p):
|
||||
if p == self.curpage:
|
||||
return
|
||||
|
||||
if self.loading:
|
||||
print('is loading, return')
|
||||
return
|
||||
|
||||
self.loading = True
|
||||
print(f'loading {p} page, {self.curpage}')
|
||||
if self.curpage > p:
|
||||
self.dir = 'up'
|
||||
else:
|
||||
self.dir = 'down'
|
||||
self.curpage = p
|
||||
self.loader.load()
|
||||
|
||||
"""
|
||||
{
|
||||
adder,
|
||||
remover
|
||||
target,
|
||||
locater,
|
||||
dataurl,
|
||||
params,
|
||||
method,
|
||||
filter
|
||||
}
|
||||
events:
|
||||
'on_deletepage': erase
|
||||
|
||||
"""
|
||||
class RelatedLoader(PageLoader):
|
||||
def __init__(self, **options):
|
||||
super().__init__(**options)
|
||||
self.objectPages = {}
|
||||
self.totalObj = 0
|
||||
self.MaxbufferPage = 3
|
||||
self.locater = 1/self.MaxbufferPage
|
||||
if self.filter:
|
||||
self.widget = self.filter
|
||||
else:
|
||||
self.widget = None
|
||||
self.register_event_type('on_deletepage')
|
||||
|
||||
def do_search(self,o,params):
|
||||
self.objectPages = {}
|
||||
self.totalObj = 0
|
||||
self.MaxbufferPage = 3
|
||||
self.locater = 1/self.MaxbufferPage
|
||||
super().do_search(o, params)
|
||||
|
||||
def getLocater(self):
|
||||
if self.newbegin:
|
||||
self.newbegin = False
|
||||
return 1
|
||||
|
||||
x = 1 / self.MaxbufferPage
|
||||
if self.dir != 'down':
|
||||
x = 1 - x
|
||||
return x
|
||||
|
||||
def on_deletepage(self,d):
|
||||
pass
|
||||
|
||||
def setPageRows(self,row_cnt):
|
||||
if self.total_cnt != 0:
|
||||
self.calculateTotalPage()
|
||||
|
||||
def doBufferMaintain(self):
|
||||
siz = len(self.objectPages.keys())
|
||||
if siz >= self.MaxbufferPage:
|
||||
if self.dir == 'up':
|
||||
p = max(self.objectPages.keys())
|
||||
else:
|
||||
p = min(self.objectPages.keys())
|
||||
self.deleteBuffer(p)
|
||||
|
||||
def deleteBuffer(self,page):
|
||||
d = self.objectPages[page]
|
||||
self.dispatch('on_deletepage',d)
|
||||
self.totalObj -= len(self.objectPages[page])
|
||||
del self.objectPages[page]
|
||||
|
||||
def bufferObjects(self,page,objects):
|
||||
self.objectPages[page] = objects
|
||||
|
||||
|
||||
def show_page(self,o,data):
|
||||
if self.objectPages.get(self.curpage):
|
||||
self.deleteBuffer(self.curpage)
|
||||
else:
|
||||
self.doBufferMaintain()
|
||||
self.totalObj += len(data['rows'])
|
||||
super().show_page(o,data)
|
||||
|
||||
def loadPreviousPage(self):
|
||||
pages = self.objectPages.keys()
|
||||
if len(pages) < 1:
|
||||
return
|
||||
|
||||
page = min(pages)
|
||||
if page <= 1:
|
||||
return
|
||||
|
||||
page -= 1
|
||||
self.loadPage(page)
|
||||
|
||||
def loadNextPage(self):
|
||||
pages = self.objectPages.keys()
|
||||
if len(pages) == 0:
|
||||
return
|
||||
page = max(pages)
|
||||
if page>=self.total_page:
|
||||
return
|
||||
page += 1
|
||||
self.loadPage(page)
|
||||
|
||||
"""
|
||||
{
|
||||
adder,
|
||||
clearer
|
||||
target,
|
||||
dataurl
|
||||
params,
|
||||
method
|
||||
}
|
||||
"""
|
||||
class Paging(PageLoader):
|
||||
def __init__(self,**options):
|
||||
PageLoader.__init__(self,**options)
|
||||
self.target = options.get('target')
|
||||
self.init()
|
||||
|
||||
def init(self):
|
||||
kwargs = {}
|
||||
kwargs['size_hint_y'] = None
|
||||
kwargs['height'] = CSize(2)
|
||||
kwargs['orientation'] = 'horizontal'
|
||||
kwargs['spacing'] = CSize(1)
|
||||
self.widget = BoxLayout(**kwargs)
|
||||
self.b_f = PagingButton(text="|<")
|
||||
self.b_p = PagingButton(text="<")
|
||||
self.b_n = PagingButton(text=">")
|
||||
self.b_l = PagingButton(text=">|")
|
||||
self.b_f.bind(on_press=self.loadFirstPage)
|
||||
self.b_p.bind(on_press=self.loadPreviousPage)
|
||||
self.b_n.bind(on_press=self.loadNextPage)
|
||||
self.b_l.bind(on_press=self.loadLastPage)
|
||||
self.widget.add_widget(self.b_f)
|
||||
self.widget.add_widget(self.b_p)
|
||||
self.widget.add_widget(self.b_n)
|
||||
self.widget.add_widget(self.b_l)
|
||||
if self.filter:
|
||||
self.widget.add_widget(self.filter)
|
||||
|
||||
def loadFirstPage(self,o=None):
|
||||
if self.curpage == 1:
|
||||
return
|
||||
self.loadPage(1)
|
||||
|
||||
def loadPreviousPage(self,o=None):
|
||||
if self.curpage < 2:
|
||||
return
|
||||
self.loadPage(self.curpage-1)
|
||||
|
||||
def loadNextPage(self,o=None):
|
||||
if self.curpage >= self.total_page:
|
||||
return
|
||||
self.loadPage(self.curpage+1)
|
||||
|
||||
def loadLastPage(self,o=None):
|
||||
if self.curpage >= self.total_page:
|
||||
return
|
||||
self.loadPage(self.total_page)
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user