bugfix
This commit is contained in:
yumoqing
parent
a1a2545c48
commit
000b1ffe73
588
kivyblocks/dg.py
588
kivyblocks/dg.py
@ -1,588 +0,0 @@
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import time
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import ujson as json
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from functools import partial
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from kivy.logger import Logger
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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.graphics import Fbo
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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, StringProperty
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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 appPublic.myTE import string_template_render
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from .utils import CSize, setSizeOptions, loading, loaded, absurl, alert
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from .baseWidget import Text, HBox, VBox
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from .scrollpanel import ScrollPanel
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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 .bgcolorbehavior import BGColorBehavior
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from .widget_css import WidgetCSS
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def field_widget(desc, rec):
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viewer = desc.get('viewer')
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if viewer:
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if not isinstance(viewer,str):
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viewer = json.dumps(viewer)
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rendered = string_template_render(viewer, rec)
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dic = json.loads(rendered)
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if dic is None:
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return None
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blocks = Factory.Blocks()
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return blocks.widgetBuild(dic)
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uitype = desc.get('uitype', 'str')
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if uitype is None:
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uitype = desc.get('datatype')
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if uitype in [ 'str' 'date', 'time', 'timestamp' ]:
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return Text(text = str(desc['value']),
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font_size=CSize(1),wrap=True,
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halign='left', valign='middle'
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)
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if uitype in [ 'long', 'int','integer' ]:
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return Text(text=str(desc['value']),
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font_size=CSize(1), wrap=True,
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halign='right', valign='middle'
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)
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if uitype == 'float':
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f = '%%.0%df' % desc.get('dec',2)
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return Text(text=f % float(desc['value']),
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font_size=CSize(1), wrap=True,
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halign='right', valign='middle'
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)
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return Text(text = str(desc['value']),
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font_size=CSize(1),wrap=True,
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halign='left', valign='middle'
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)
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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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self.csscls = 'dummy'
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class Cell(ButtonBehavior, WidgetCSS, BoxLayout):
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def __init__(self,row,desc, **kw):
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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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csscls=self.row.part.datagrid.body_css
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if self.row.header:
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csscls=self.row.part.datagrid.header_css
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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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csscls=csscls
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)
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if desc['header']:
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bl = Text(i18n=True, text=str(desc['value']),
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font_size=CSize(1),wrap=True,
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halign='left', valign='middle'
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)
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else:
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bl = field_widget(desc,self.row.row_data)
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if bl:
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self.add_widget(bl)
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def on_press(self,o=None):
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if not self.row.header:
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self.row.selected()
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class Row(BoxLayout):
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def __init__(self,part, rowdesc,header=False,data=None, **kw):
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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 = self.part.datagrid.linewidth
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self.rowdesc = rowdesc
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opts = kw.copy()
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opts.update({
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"spacing":self.linewidth,
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"orientation":"horizontal"
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})
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super(Row, self).__init__(**opts)
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self.height = self.part.datagrid.rowHeight()
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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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self.size_hint = None,None
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self.width = w + self.linewidth * (len(self.rowdesc)+1)
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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.select_row = self
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self.part.datagrid.dispatch('on_selected',self)
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class Header(WidgetReady, ScrollPanel):
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def __init__(self,part,**kw):
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super(Header, self).__init__(**kw)
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self.part = part
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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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if self.part.freeze_flag:
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self.bar_width = 0
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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].get('label', \
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self.part.fields[i].get('name'))}) \
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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(WidgetReady, ScrollPanel):
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def __init__(self,part,**kw):
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self.part = part
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kw.update({'spacing':self.part.datagrid.linewidth})
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super(Body, self).__init__(**kw)
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self.size_hint=(1,1)
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self.idRow = {}
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self.bind(on_scroll_stop=self.part.datagrid.on_scrollstop)
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if self.part.freeze_flag:
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self.bar_width = 0
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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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return 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):
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row = self.idRow.get(id)
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if row:
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self.remove_widget(row)
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if self.idRow.get(id):
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del self.idRow[id]
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def getRowData(self,rowid):
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return self.idRow[rowid].row_data
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def getRowHeight(self):
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return self.part.datagrid.rowHeight()
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class DataGridPart(WidgetReady, BoxLayout):
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def __init__(self,dg, freeze_flag, fields):
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self.datagrid = dg
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self.fields = fields
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self.freeze_flag = freeze_flag
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self.fields_width = None
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BoxLayout.__init__(self, orientation='vertical')
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WidgetReady.__init__(self)
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self.init(0)
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def setWidth(self):
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if self.freeze_flag:
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self.size_hint_x = None
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self.width = self.getFieldsWidth()
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def getFieldsWidth(self):
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if not self.fields_width:
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width = 0
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for f in self.rowdesc:
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width += f['width']
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self.fields_width = width
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return self.fields_width
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def init(self,t):
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rd = []
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for f in self.fields:
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r = f.copy()
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r['width'] = CSize(f.get('width',10))
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rd.append(r)
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self.rowdesc = rd
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self.setWidth()
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kw = {}
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if self.freeze_flag:
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kw['width'] = self.fields_width
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kw['size_hint'] = (None,None)
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else:
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kw['size_hint'] = (1,None)
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kw['height'] = self.datagrid.rowHeight()
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self.header = None
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if not self.datagrid.noheader:
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self.header = Header(self,**kw)
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self.add_widget(self.header)
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self.body = Body(self)
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self.add_widget(self.body)
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if not self.freeze_flag:
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self.body.bind(pos=self.datagrid.bodyOnSize,
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size=self.datagrid.bodyOnSize)
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def clearRows(self):
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return self.body.clearRows()
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def addRow(self,id, data):
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return self.body.addRow(id, data)
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def on_size(self, o, s=None):
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if not hasattr(self, 'body'):
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return
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self.body.size_hint_y = None
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if self.header:
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self.body.height = self.height - self.header.height
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else:
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self.body.height = self.height
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class DataGrid(WidgetReady, BoxLayout):
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"""
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DataGrid data format:
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{
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"widgettype":"DataGrid",
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"dataloader":{
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"page":1,
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"rows":60,
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"dataurl":"eeee",
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"params":{
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}
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},
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"tailer":{
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"options":{
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}
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"info":[
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"total_cnt",
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"total_page",
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"page_rows",
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"curpage"
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],
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"others":{
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}
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},
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"row_height": CSize,
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"header_css":"default",
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"body_css":"default",
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"spacing":1,
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"fields":[
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{
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"name":"field1",
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"label":"Field1",
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"datatype":"str",
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"uitype":"code",
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"value_field":,
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"text_field":
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},
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{
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"name":"field2",
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"label":"Field2",
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"viewer":{
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block dic
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}
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}
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...
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]
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"binds":[
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]
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}
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"""
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row_selected = BooleanProperty(False)
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def __init__(self,**options):
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options['orientation'] = 'vertical'
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BoxLayout.__init__(self, orientation='vertical')
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WidgetReady.__init__(self)
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self.select_rowid = None
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self.options = options
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self.rowheight = None
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self.on_sizeTask = None
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self.selected_rowid = None
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self.show_rows = 0
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self.toolbar = None
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self.freeze_part = None
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self.normal_part = None
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self.page_rows = self.options.get('page_rows', 60)
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self.params = self.options.get('params',{})
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self.total_cnt = 0
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self.max_row = 0
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self.row_height = self.options.get('row_height',2)
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self.header_css = self.options.get('header_css','default')
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self.noheader = self.options.get('noheader',False)
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self.body_css = self.options.get('body_css', 'default')
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self.linewidth = self.options.get('linewidth',1)
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self.curpage = 0
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self.loading = False
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self.freeze_fields = self.getPartFields(freeze_flag=True)
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self.normal_fields = self.getPartFields(freeze_flag=False)
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ldr_desc = options.get('dataloader')
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if not ldr_desc:
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raise Exception('DataGrid need a DataLoader')
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self.dataloader = RelatedLoader(target=self, **ldr_desc)
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self.dataloader.bind(on_deletepage=self.delete_page)
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self.dataloader.bind(on_pageloaded=self.add_page)
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self.dataloader.bind(on_pageloaded=self.update_tailer_info)
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self.dataloader.bind(on_newbegin=self.clearRows)
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self.register_event_type('on_selected')
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self.register_event_type('on_scrollstop')
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self.createDataGridPart()
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self.createToolbar()
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if self.toolbar:
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self.add_widget(self.toolbar)
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b = BoxLayout(orientation='horizontal')
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if self.freeze_part:
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b.add_widget(self.freeze_part)
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if self.normal_part:
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b.add_widget(self.normal_part)
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self.add_widget(b)
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if self.options.get('tailer'):
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self.tailer_widgets = {}
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self.build_tailer(self.options.get('tailer'))
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def build_tailer(self, tailer_desc):
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kw = tailer_desc.get('options', {})
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kw.update({
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'size_hint_y':None,
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'height':self.rowheight
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})
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w = HBox(**kw)
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self.add_widget(w)
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self.show_infos(w, tailer_desc.get('info'))
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if tailer_desc.get('others'):
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w1 = self.build_tailer_other(tailer_desc.get('others'))
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if w1:
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w.add_widget(w1)
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def update_tailer_info(self, *args):
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if not hasattr(self, 'tailer_widgets'):
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return
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for n,w in self.tailer_widgets.items():
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w.text = self.loader_info(n)
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def show_infos(self, tailer_widget, info_names):
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for n in info_names:
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desc = {
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"widgettype":"Text",
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"options":{
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"text":n,
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"i18n":True,
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}
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}
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w = Factory.Blocks().widgetBuild(desc)
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tailer_widget.add_widget(w)
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tailer_widget.add_widget(Label(text=':'))
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self.tailer_widgets[n] = Label(text=self.loader_info(n))
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tailer_widget.add_widget(self.tailer_widgets[n])
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def build_tailer_others(desc):
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return Factory.Blocks().widgetBuild(desc)
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def loader_info(self, n):
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if hasattr(self.dataloader, n):
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txt=getattr(self.dataloader, n, 0)
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if txt is None:
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txt = '0'
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txt = str(txt)
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return txt
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def locater(self,pos):
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self.normal_part.body.scroll_y = pos
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if self.freeze_part:
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self.freeze_part.body.scroll_y = pos
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def on_scrollstop(self,o,v=None):
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if not self.noheader and o == self.normal_part.header:
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self.normal_part.body.scroll_x = o.scroll_x
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return
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if o == self.normal_part.body:
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if not self.noheader:
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self.normal_part.header.scroll_x = o.scroll_x
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if self.freeze_part:
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self.freeze_part.body.scroll_y = o.scroll_y
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if self.freeze_part and o == self.freeze_part.body:
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self.normal_part.body.scroll_y = o.scroll_y
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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 getValue(self):
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if not self.select_rowid:
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return None
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return self._getRowData(self.select_rowid)
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def _getRowData(self, rowid):
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d = {}
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if self.freeze_part:
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d.update(self.freeze_part.body.getRowData(rowid))
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d.update(self.normal_part.body.getRowData(rowid))
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print('getValue() return=',d)
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return DictObject(**d)
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def bodyOnSize(self,o,s):
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if self.on_sizeTask is not None:
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self.on_sizeTask.cancel()
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self.on_sizeTask = Clock.schedule_once(self.calculateShowRows,0.3)
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def rowHeight(self):
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if not self.rowheight:
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self.rowheight = CSize(self.row_height)
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return self.rowheight
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def calculateShowRows(self,t):
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self.getShowRows()
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self.dataloader.setPageRows(self.show_rows * 2)
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def getShowRows(self):
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if self.show_rows == 0:
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return 60
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self.show_rows = int(self.rowHeight() / self.normal_part.body.height)
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return self.show_rows * 2
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def clearRows(self, *args):
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print('dg.py:clearRows() called')
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if self.freeze_part:
|
||||
self.freeze_part.body.clearRows()
|
||||
self.normal_part.body.clearRows()
|
||||
|
||||
def add_page(self,o,data):
|
||||
dir = data['dir']
|
||||
if not self.show_rows:
|
||||
self.getShowRows()
|
||||
|
||||
ids = []
|
||||
recs = data['data']
|
||||
idx = 0
|
||||
if dir == 'up':
|
||||
recs.reverse()
|
||||
idx = -1
|
||||
recs1 = recs[:self.show_rows]
|
||||
recs2 = recs[self.show_rows:]
|
||||
self._fbo = Fbo(size=self.size)
|
||||
with self._fbo:
|
||||
self._background_color = Color(0,0,0,1)
|
||||
self._background_rect = Rectangle(size=self.size)
|
||||
for r in recs1:
|
||||
id = self.addRow(r,index=idx)
|
||||
ids.append(id)
|
||||
with self.canvas:
|
||||
self._fbo_rect = Rectangle(size=self.size,
|
||||
texture=self._fbo.texture)
|
||||
|
||||
data['idx'] = idx
|
||||
data['ids'] = ids
|
||||
data['data'] = recs2
|
||||
f = partial(self.add_page_delay,data)
|
||||
Clock.schedule_once(f, 0)
|
||||
|
||||
def add_page_delay(self, data, *args):
|
||||
recs = data['data']
|
||||
page = data['page']
|
||||
idx = data['idx']
|
||||
ids = data['ids']
|
||||
self._fbo = Fbo(size=self.size)
|
||||
with self._fbo:
|
||||
self._background_color = Color(0,0,0,1)
|
||||
self._background_rect = Rectangle(size=self.size)
|
||||
for r in recs:
|
||||
id = self.addRow(r,index=idx)
|
||||
ids.append(id)
|
||||
with self.canvas:
|
||||
self._fbo_rect = Rectangle(size=self.size,
|
||||
texture=self._fbo.texture)
|
||||
self.dataloader.bufferObjects(page,ids)
|
||||
x = self.dataloader.getLocater()
|
||||
self.locater(x)
|
||||
|
||||
def delete_page(self,o,data):
|
||||
print('dg.py:delete_page() called')
|
||||
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(**tb)
|
||||
|
||||
def on_selected(self,row):
|
||||
print("DataGrid():on_selected fire")
|
||||
|
||||
def loadData(self,*args, **kwargs):
|
||||
print('args=', args, 'kwargs=',kwargs)
|
||||
kwargs['page'] = 1
|
||||
self.dataloader.do_search(None,kwargs)
|
||||
|
||||
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
|
||||
|
||||
Loading…
Reference in New Issue
Block a user