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qx_elems.py
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qx_elems.py
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#coding: UTF-8
## Copyright 2009-2011 Luc Saffre
## This file is part of the Lino project.
## Lino is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or
## (at your option) any later version.
## Lino is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
## You should have received a copy of the GNU General Public License
## along with Lino; if not, see <http://www.gnu.org/licenses/>.
from cgi import escape
from django.db import models
from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes import generic
from django.utils.translation import ugettext as _
from django.conf import settings
import lino
from lino import reports, actions, fields
from lino.utils import constrain
from lino.utils import jsgen
from lino.utils.jsgen import py2js, Variable, Component, id2js, js_code
from lino.utils import choosers
#~ from . import ext_requests
from lino.ui import requests as ext_requests
EXT_CHAR_WIDTH = 9
EXT_CHAR_HEIGHT = 22
#~ DEFAULT_GC_NAME = 'std'
DEFAULT_GC_NAME = 0
def a2btn(a):
return dict(
opens_a_slave=a.opens_a_slave,
handler=js_code("Lino.%s" % a),
name=a.name,
label=unicode(a.label),
#~ url="/".join(("/ui",a.actor.app_label,a.actor._actor_name,a.name))
)
def py2html(obj,name):
for n in name.split('.'):
obj = getattr(obj,n,"N/A")
return escape(unicode(obj))
def before_row_edit(panel):
l = []
#~ l.append("console.log('before_row_edit',record);")
for e in panel.active_children:
if isinstance(e,GridElement):
l.append("%s.on_master_changed();" % e.as_ext())
elif isinstance(e,PictureElement):
l.append("this.load_picture_to(%s,record);" % e.as_ext())
elif isinstance(e,HtmlBoxElement):
l.append("%s.refresh();" % e.as_ext())
elif isinstance(e,FieldElement):
chooser = choosers.get_for_field(e.field)
if chooser:
#~ logger.debug("20100615 %s.%s has chooser", self.lh.layout, e.field.name)
for f in chooser.context_fields:
#~ l.append("console.log('20110128 before_row_edit',record.data);")
l.append("%s.setContextValue(%r,record ? record.data[%r] : undefined);" % (
e.ext_name,f.name,ext_requests.form_field_name(f)))
#~ return js_code('function(record){\n %s\n}' % ('\n '.join(l)))
return js_code('function(record){ %s }' % (' '.join(l)))
class GridColumn(Component):
declare_type = jsgen.DECLARE_INLINE
field = None
def __init__(self,index,editor,**kw):
"""editor may be a Panel for columns on a GenericForeignKey
"""
#~ print 20100515, editor.name, editor.__class__
#~ assert isinstance(editor,FieldElement), \
#~ "%s.%s is a %r (expected FieldElement instance)" % (cm.grid.report,editor.name,editor)
self.editor = editor
#~ self.value_template = editor.grid_column_template
kw.update(sortable=True)
self.index = index
self.label = editor.label
kw.update(self.editor.get_column_options())
kw.update(hidden=editor.hidden)
if settings.USE_GRIDFILTERS and editor.filter_type:
kw.update(filter=dict(type=editor.filter_type))
#~ if isinstance(editor,FieldElement) and editor.field.primary_key:
if isinstance(editor,FieldElement):
self.field = editor.field
rend = None
if isinstance(editor.field,models.AutoField):
rend = 'Lino.id_renderer'
#~ kw.update(renderer=js_code('Lino.id_renderer'))
elif isinstance(editor.field,models.ForeignKey):
# FK fields are clickable if their target has a detail view
rpt = editor.field.rel.to._lino_model_report
if rpt.detail_action is not None:
#~ a = rpt.get_action('detail')
#~ if a is not None:
rend = "Lino.fk_renderer('%s','Lino.%s')" % (
editor.field.name + 'Hidden',
rpt.detail_action)
#~ rend = "Lino.fk_renderer('%s','%s')" % (
#~ editor.field.name + 'Hidden',
#~ editor.lh.rh.ui.get_actor_url(rpt))
#~ if not rend:
#~ rend = 'Lino.default_renderer'
if rend:
kw.update(renderer=js_code(rend))
kw.update(editable=editor.editable)
if editor.editable:
kw.update(editor=editor)
else:
kw.update(editable=False)
Component.__init__(self,editor.name,**kw)
#~ if self.editable:
#~ editor = self.get_field_options()
class Toolbar(Component):
value_template = "new Ext.Toolbar(%s)"
class ComboBox(Component):
value_template = 'new Ext.form.ComboBox(%s)'
class ExtPanel(Component): # todo: rename this to Panel, and Panel to PanelElement or sth else
value_template = "new Ext.Panel(%s)"
class VisibleComponent(Component):
vflex = False
hflex = True
width = None
height = None
preferred_width = 10
preferred_height = 1
#flex = None
def __init__(self,name,width=None,height=None,label=None,**kw):
Component.__init__(self,name,**kw)
if width is not None:
self.width = width
if height is not None:
self.height = height
if label is not None:
self.label = label
#~ if flex is not None:
#~ self.flex = flex
def __str__(self):
"This shows how elements are specified"
name = Component.__str__(self)
if self.width is None:
return name
if self.height is None:
return name + ":%d" % self.width
return name + ":%dx%d" % (self.width,self.height)
def __repr__(self):
return str(self)
def pprint(self,level=0):
return (" " * level) + str(self)
def walk(self):
yield self
def debug_lines(self):
sep = u"</td><td>"
cols = "ext_name name parent label __class__.__name__ labelAlign vertical width preferred_width height preferred_height flex".split()
yield '<tr><td>' + sep.join(cols) + '</td></tr>'
for e in self.walk():
yield '<tr><td>'+sep.join([py2html(e,n) for n in cols]) +'</td></tr>'
def has_field(self,fld):
for de in self.walk():
if isinstance(de,FieldElement) and de.field is fld:
return True
return False
class LayoutElement(VisibleComponent):
stored = False
ext_name = None
ext_suffix = ""
data_type = None
filter_type = None
parent = None # will be set by Container
field = None
label = None
label_width = 0
editable = False
sortable = False
xtype = None # set by subclasses
#~ grid_column_template = "new Ext.grid.Column(%s)"
collapsible = False
hidden = False
active_child = True
refers_to_ww = False
def __init__(self,lh,name,**kw):
#logger.debug("LayoutElement.__init__(%r,%r)", lh.layout,name)
#self.parent = parent
#~ name = lh.layout._actor_name + '_' + name
VisibleComponent.__init__(self,name,**kw)
self.lh = lh
#~ if lh is not None:
assert isinstance(lh,reports.LayoutHandle)
#~ lh.setup_element(self)
def submit_fields(self):
return []
def update_config(self,wc):
pass
def get_property(self,name):
v = getattr(self,name,None)
if self.parent is None or v is not None:
return v
return self.parent.get_property(name)
def get_column_options(self,**kw):
return kw
def set_parent(self,parent):
#~ if self.parent is not None:
#~ raise Exception("%s : parent is already %s, cannot set it to %s" % (self,self.parent,parent))
self.parent = parent
if self.label and isinstance(parent,Panel):
if parent.labelAlign == reports.LABEL_ALIGN_LEFT:
self.preferred_width += len(self.label)
def ext_options(self,**kw):
kw = VisibleComponent.ext_options(self,**kw)
if self.xtype is not None:
kw.update(xtype=self.xtype)
if self.collapsible:
kw.update(collapsible=True)
return kw
class DataViewElement(LayoutElement):
declare_type = jsgen.DECLARE_INLINE
value_template = "new Ext.DataView(%s)"
vflex = True
def __init__(self,lh,name,dv,**kw):
#~ self.dv = dv
kw.update(store=js_code('this.store'))
kw.update(tpl=js_code('new Ext.XTemplate(%s)' % py2js(dv.xtemplate)))
kw.update(emptyText='No images to display')
kw.update(itemSelector='div.thumb-wrap')
kw.update(loadingText='Loading...')
LayoutElement.__init__(self,lh,name,**kw)
class TemplateElement(LayoutElement):
declare_type = jsgen.DECLARE_INLINE
value_template = "new Ext.BoxComponent(%s)"
vflex = True
def __init__(self,lh,name,dv,**kw):
#~ self.dv = dv
#~ kw.update(tpl=js_code('new Ext.XTemplate(%s)' % py2js(dv.xtemplate)))
kw.update(plugins=js_code('new Lino.TemplateBoxPlugin(caller,%s)' % py2js(dv.xtemplate)))
LayoutElement.__init__(self,lh,name,**kw)
class PictureElement(LayoutElement):
declare_type = jsgen.DECLARE_VAR
#~ declare_type = jsgen.DECLARE_INLINE
value_template = "new Ext.BoxComponent(%s)"
vflex = False
hflex = False
#~ vflex = True
def __init__(self,lh,name,action,**kw):
#~ print 20100730, name
#~ kw.update(html='<img height="100%"/>')
#~ kw.update(html='<img height="100%" onclick="Lino.img_onclick()"/>')
#~ kw.update(autoHeight=True)
#~ kw.update(anchor="100% 100%")
kw.update(autoEl=dict(tag='img'))
#~ kw.update(autoEl=dict(tag='img',onclick="Lino.img_onclick(%s)" % name))
#~ kw.update(autoEl=dict(tag='img',onclick="Lino.img_onclick(this)" ))
#~ kw.update(onclick=js_code('"Lino.img_onclick()"'))
#~ kw.update(cls='ext-el-mask')
#~ kw.update(style=dict(width='100px',cursor='pointer'))
#~ kw.update(style=dict(width='100px',height='150px',cursor='pointer'))
kw.update(plugins=js_code('Lino.PictureBoxPlugin'))
#~ kw.update(plugins=js_code('new Lino.PictureBoxPlugin(caller)'))
#~ kw.update(listeners=dict(click=js_code('Lino.img_onclick')))
LayoutElement.__init__(self,lh,name,**kw)
#~ print "PictureElement", self.width, self.preferred_width
self.update(style=dict(
width='%dpx' % ((self.width or self.preferred_width)*10), # assume 1 char ~ 10px
cursor='pointer'))
class unused_ButtonElement(LayoutElement):
value_template = "new Ext.Component(%s)"
def __init__(self,lh,name,meth,label,**kw):
self.label = label
self.meth = meth
#~ onclick='alert("oops")'
#~ kw.update(html='<input type="button" onclick="%s" value=" %s ">' % (onclick,label))
LayoutElement.__init__(self,lh,name,**kw)
def get_column_options(self,**kw):
#~ kw.update(dataIndex=self.field.name)
#~ if self.label is None:
#~ kw.update(header=self.field.name)
#~ else:
kw.update(header=unicode(self.label))
kw.update(editable=False)
kw.update(sortable=False)
rend = 'Lino.cell_button_renderer'
kw.update(renderer=js_code(rend))
return kw
class StaticTextElement(LayoutElement):
declare_type = jsgen.DECLARE_INLINE
#declare_type = jsgen.DECLARE_THIS
#~ declare_type = jsgen.DECLARE_VAR
xtype = 'label'
def __init__(self,lh,name,text,**kw):
kw.update(html=text.text)
LayoutElement.__init__(self,lh,name,**kw)
#~ self.text = text
#~ def ext_options(self,**kw):
#~ kw = LayoutElement.ext_options(self,**kw)
#~ kw.update(html=self.text.text)
#~ return kw
class Spacer(LayoutElement):
declare_type = jsgen.DECLARE_INLINE
#xtype = 'label'
value_template = "new Ext.Spacer(%s)"
class FieldElement(LayoutElement):
#~ declare_type = jsgen.DECLARE_INLINE
#~ declare_type = jsgen.DECLARE_THIS
declare_type = jsgen.DECLARE_VAR
stored = True
filter_type = None # 'auto'
#declaration_order = 3
#~ ext_suffix = "_field"
def __init__(self,lh,field,**kw):
assert field.name, Exception("field %r has no name!" % field)
self.field = field
self.editable = field.editable # and not field.primary_key
#~ LayoutElement.__init__(self,lh,varname_field(field),label=unicode(field.verbose_name),**kw)
LayoutElement.__init__(self,lh,field.name,label=unicode(field.verbose_name),**kw)
#~ def get_filter_options(self,**kw):
#~ if self.filter_type:
#~ kw.update(dataIndex=self.field.name)
# 20100805 see also GridFilters.js
#~ kw.update(filterable=True)
#~ kw.update(filter=dict(type='auto'))
#~ kw.update(type=self.filter_type)
#~ return kw
def get_column_options(self,**kw):
#~ raise "get_column_options() %s" % self.__class__
#~ kw.update(xtype='gridcolumn')
kw.update(dataIndex=self.field.name)
#~ if self.label is None:
#~ kw.update(header=self.field.name)
#~ else:
kw.update(header=unicode(self.label))
if not self.editable:
kw.update(editable=False)
if not self.sortable:
kw.update(sortable=False)
w = self.width or self.preferred_width
kw.update(width=w*EXT_CHAR_WIDTH)
return kw
def submit_fields(self):
return [self.field.name]
def get_field_options(self,**kw):
if self.xtype:
kw.update(xtype=self.xtype)
kw.update(name=self.field.name)
if self.label:
kw.update(fieldLabel=unicode(self.label))
if not self.field.blank:
kw.update(allowBlank=False)
if not self.editable:
kw.update(disabled=True)
kw.update(readOnly=True)
#~ http://www.rowlands-bcs.com/extjs/tips/tooltips-form-fields
#~ if self.field.__doc__:
#~ kw.update(toolTipText=self.field.__doc__)
return kw
def ext_options(self,**kw):
kw = LayoutElement.ext_options(self,**kw)
kw.update(self.get_field_options())
return kw
class TextFieldElement(FieldElement):
#~ xtype = 'textarea'
filter_type = 'string'
vflex = True
value_template = "new qx.ui.form.TextField().set(%s)"
xtype = None
#width = 60
preferred_width = 60
#~ preferred_height = 1
#collapsible = True
#~ def __init__(self,*args,**kw):
#~ kw.update(defaultAutoCreate = dict(
#~ tag="textarea",
#~ autocomplete="off"
#~ ))
#~ FieldElement.__init__(self,*args,**kw)
class HtmlTextFieldElement(TextFieldElement):
pass
#~ value_template = "new Ext.form.HtmlEditor(%s)"
#~ # xtype = 'htmleditor'
class CharFieldElement(FieldElement):
filter_type = 'string'
value_template = "new qx.ui.form.TextField().set(%s)"
sortable = True
xtype = None
def __init__(self,*args,**kw):
FieldElement.__init__(self,*args,**kw)
self.preferred_width = min(20,max(3,self.field.max_length))
def get_field_options(self,**kw):
kw = FieldElement.get_field_options(self,**kw)
kw.update(maxLength=self.field.max_length)
return kw
class FileFieldElement(CharFieldElement):
#~ value_template = "Lino.file_field_handler(ww,%s)"
value_template = "new qx.ui.basic.Atom().set(%s)"
#~ def __init__(self,lh,*args,**kw):
#~ CharFieldElement.__init__(self,lh,*args,**kw)
#~ lh.has_upload = True
#~ def get_field_options(self,**kw):
#~ kw = CharFieldElement.get_field_options(self,**kw)
#~ kw.update(emptyText=_('Select a document to upload...'))
#~ # kw.update(buttonCfg=dict(iconCls='upload-icon'))
#~ return kw
class ComboFieldElement(FieldElement):
#~ value_template = "new Ext.form.ComboBox(%s)"
sortable = True
xtype = None
filter_type = 'string'
class ChoicesFieldElement(ComboFieldElement):
#~ value_template = "new Lino.ChoicesFieldElement(%s)"
#~ value_template = "new qx.ui.form.ComboBox().set(%s)"
value_template = "new qx.ui.basic.Atom().set(%s)"
def __init__(self,*args,**kw):
FieldElement.__init__(self,*args,**kw)
self.preferred_width = 20
def get_field_options(self,**kw):
kw = FieldElement.get_field_options(self,**kw)
kw.update(store=self.field.choices)
kw.update(hiddenName=self.field.name+ext_requests.CHOICES_HIDDEN_SUFFIX)
return kw
class RemoteComboFieldElement(ComboFieldElement):
#~ value_template = "new Lino.RemoteComboFieldElement(%s)"
value_template = "new qx.ui.basic.Atom().set(%s)"
def store_options(self,**kw):
proxy = dict(url=self.lh.rh.ui.get_choices_url(self),method='GET')
kw.update(proxy=js_code("new Ext.data.HttpProxy(%s)" % py2js(proxy)))
# a JsonStore without explicit proxy sometimes used method POST
return kw
def get_field_options(self,**kw):
kw = FieldElement.get_field_options(self,**kw)
sto = self.store_options()
#print repr(sto)
kw.update(store=js_code("new Lino.ComplexRemoteComboStore(%s)" % py2js(sto)))
return kw
class SimpleRemoteComboFieldElement(RemoteComboFieldElement):
#~ value_template = "new Lino.SimpleRemoteComboFieldElement(%s)"
value_template = "new qx.ui.basic.Atom().set(%s)"
class ComplexRemoteComboFieldElement(RemoteComboFieldElement):
#~ value_template = "new Lino.ComplexRemoteComboFieldElement(%s)"
def get_field_options(self,**kw):
kw = RemoteComboFieldElement.get_field_options(self,**kw)
kw.update(hiddenName=self.field.name+ext_requests.CHOICES_HIDDEN_SUFFIX)
return kw
class ForeignKeyElement(ComplexRemoteComboFieldElement):
def __init__(self,lh,field,**kw):
#~ def __init__(self,*args,**kw):
#~ print 20100903,repr(self.field.rel.to)
#~ assert issubclass(self.field.rel.to,models.Model), "%r is not a model" % self.field.rel.to
self.report = reports.get_model_report(field.rel.to)
a = self.report.detail_action
if a is not None:
#~ self.value_template = "new Lino.TwinCombo(%s)"
self.value_template = "new qx.ui.basic.Atom().set(%s)"
kw.update(onTrigger2Click=js_code(
"function(e){ Lino.show_fk_detail(this,e,Lino.%s)}" % a))
FieldElement.__init__(self,lh,field,**kw)
def submit_fields(self):
return [self.field.name,self.field.name+ext_requests.CHOICES_HIDDEN_SUFFIX]
def get_field_options(self,**kw):
kw = ComplexRemoteComboFieldElement.get_field_options(self,**kw)
kw.update(pageSize=self.report.page_length)
kw.update(emptyText=_('Select a %s...') % self.report.model._meta.verbose_name)
return kw
class TimeFieldElement(FieldElement):
xtype = 'timefield'
data_type = 'time' # for store column
sortable = True
preferred_width = 8
filter_type = 'time'
class DateFieldElement(FieldElement):
xtype = 'datefield'
data_type = 'date' # for store column
sortable = True
preferred_width = 8
filter_type = 'date'
# todo: DateFieldElement.preferred_width should be computed from Report.date_format
#~ grid_column_template = "new Ext.grid.DateColumn(%s)"
def get_field_options(self,**kw):
kw = FieldElement.get_field_options(self,**kw)
kw.update(format=self.lh.rh.report.date_format)
return kw
def get_column_options(self,**kw):
kw = FieldElement.get_column_options(self,**kw)
kw.update(xtype='datecolumn')
kw.update(format=self.lh.rh.report.date_format)
return kw
class MonthFieldElement(DateFieldElement):
def get_field_options(self,**kw):
kw = DateFieldElement.get_field_options(self,**kw)
kw.update(format='m/Y')
kw.update(plugins='monthPickerPlugin')
return kw
class URLFieldElement(CharFieldElement):
sortable = True
preferred_width = 40
#~ value_template = "new Lino.URLField(%s)"
value_template = "new qx.ui.basic.Atom().set(%s)"
#~ def get_field_options(self,**kw):
#~ kw = FieldElement.get_field_options(self,**kw)
#~ kw.update(vtype='url') #,vtypeText=
#~ return kw
class IntegerFieldElement(FieldElement):
value_template = "new qx.ui.form.TextField().set(%s)"
filter_type = 'numeric'
#~ xtype = 'numberfield'
sortable = True
preferred_width = 5
data_type = 'int'
def __init__(self,*args,**kw):
kw.update(textAlign='right')
FieldElement.__init__(self,*args,**kw)
class DecimalFieldElement(FieldElement):
filter_type = 'numeric'
xtype = 'numberfield'
sortable = True
data_type = 'float'
#~ grid_column_template = "new Ext.grid.NumberColumn(%s)"
def __init__(self,*args,**kw):
FieldElement.__init__(self,*args,**kw)
self.preferred_width = min(5,self.field.max_digits) \
+ self.field.decimal_places
def get_column_options(self,**kw):
kw = FieldElement.get_column_options(self,**kw)
kw.update(xtype='numbercolumn')
kw.update(align='right')
fmt = "0,000"
if self.field.decimal_places > 0:
fmt += "." + ("0" * self.field.decimal_places)
kw.update(format=fmt)
return kw
class BooleanFieldElement(FieldElement):
value_template = "new qx.ui.form.CheckBox().set(%s)"
#~ xtype = 'checkbox'
data_type = 'boolean'
filter_type = 'boolean'
#~ grid_column_template = "new Ext.grid.BooleanColumn(%s)"
#~ def __init__(self,*args,**kw):
#~ FieldElement.__init__(self,*args,**kw)
def set_parent(self,parent):
FieldElement.set_parent(self,parent)
#~ if isinstance(parent,Panel) and parent.hideCheckBoxLabels:
if parent.hideCheckBoxLabels:
self.update(hideLabel=True)
def get_field_options(self,**kw):
kw = FieldElement.get_field_options(self,**kw)
del kw['fieldLabel']
#~ kw.update(hideLabel=True)
kw.update(boxLabel=self.label)
return kw
def get_column_options(self,**kw):
kw = FieldElement.get_column_options(self,**kw)
kw.update(xtype='booleancolumn')
kw.update(trueText=self.lh.rh.report.boolean_texts[0])
kw.update(falseText=self.lh.rh.report.boolean_texts[1])
kw.update(undefinedText=self.lh.rh.report.boolean_texts[2])
return kw
def get_from_form(self,instance,values):
"""
standard HTML submits checkboxes of a form only when they are checked.
So if the field is not contained in values, we take False as value.
"""
instance[self.field.name] = values.get(self.field.name,False)
class DisplayElement(FieldElement):
#~ class ShowOrCreateElement(FieldElement):
ext_suffix = "_disp"
declare_type = jsgen.DECLARE_VAR
#~ value_template = "new Ext.form.DisplayField(%s)"
value_template = "new qx.ui.basic.Atom().set(%s)"
#~ value_template = "new Lino.ButtonField(ww,%s)"
#~ preferred_height = 5
#~ vflex = True
#~ filter_type = 'string'
#~ refers_to_ww = True
#~ class QuickActionElement(DisplayElement):
#~ pass
#~ ext_suffix = "_quick"
#~ value_template = "new Lino.QuickAction(ww,%s)"
class HtmlBoxElement(DisplayElement):
ext_suffix = "_htmlbox"
#~ declare_type = jsgen.DECLARE_VAR
#~ value_template = "new Lino.HtmlBoxPanel(ww,%s)"
value_template = "new qx.ui.basic.Atom().set(%s)"
preferred_height = 5
vflex = True
filter_type = 'string'
refers_to_ww = True
#~ def __init__(self,lh,name,action,**kw):
#~ kw.update(plugins=js_code('Lino.HtmlBoxPlugin'))
#~ LayoutElement.__init__(self,lh,name,**kw)
def get_field_options(self,**kw):
kw.update(name=self.field.name)
kw.update(layout='fit')
if self.field.drop_zone: # testing with drop_zone 'FooBar'
kw.update(listeners=dict(render=js_code('initialize%sDropZone' % self.field.drop_zone)))
kw.update(items=js_code("new Ext.BoxComponent()"))
if self.label:
kw.update(title=unicode(self.label))
#~ if self.field.bbar is not None:
#~ kw.update(ls_bbar_actions=self.field.bbar)
return kw
class Container(LayoutElement):
vertical = False
hpad = 1
is_fieldset = False
#~ xtype = 'container'
value_template = "new qx.ui.container.Composite().set(%s)"
#~ hideCheckBoxLabels = True
#declare_type = jsgen.DECLARE_INLINE
#declare_type = jsgen.DECLARE_THIS
declare_type = jsgen.DECLARE_VAR
#~ declare_type = jsgen.DECLARE_THIS
def __init__(self,lh,name,*elements,**kw):
self.has_frame = lh.layout.has_frame
self.labelAlign = lh.layout.label_align
self.hideCheckBoxLabels = lh.layout.hideCheckBoxLabels
self.active_children = []
self.elements = elements
if elements:
#~ self.has_fields = False
for e in elements:
e.set_parent(self)
#~ if isinstance(e,FieldElement):
#~ self.has_fields = True
if not isinstance(e,LayoutElement):
raise Exception("%r is not a LayoutElement" % e)
if e.active_child:
self.active_children.append(e)
elif isinstance(e,Panel):
self.active_children += e.active_children
#~ self.has_fields = True
kw.update(items=elements)
LayoutElement.__init__(self,lh,name,**kw)
#~ if lh.layout.__class__.__name__ == 'CompanyDetail':
#~ print 20100919, self.__class__.__name__, name, ':', str(elements)
#~ onlyCheckBoxes = True
#~ for e in self.walk():
#~ if not isinstance(e,BooleanFieldElement):
#~ onlyCheckBoxes = False
#~ if onlyCheckBoxes:
#~ for e in self.walk():
#~ e.update(hideLabel=True)
#~ print 'hideLabel:', e,
def subvars(self):
return self.elements
def walk(self):
for e in self.elements:
for el in e.walk():
yield el
yield self
def pprint(self,level=0):
margin = " " * level
s = margin + str(self) + ":\n"
# self.__class__.__name__
for e in self.elements:
for ln in e.pprint(level+1).splitlines():
s += ln + "\n"
return s
class Panel(Container):
"""
A vertical Panel is vflex if and only if at least one of its children is vflex.
A horizontal Panel is vflex if and only if *all* its children are vflex
(if vflex and non-vflex elements are together in a hbox, then the
vflex elements will get the height of the highest non-vflex element).
"""
ext_suffix = "_panel"
active_child = False
#~ declare_type = jsgen.DECLARE_VAR
#~ value_template = "new Ext.Panel(%s)"
def __init__(self,lh,name,vertical,*elements,**kw):
self.vertical = vertical
#~ if self.vertical:
#~ vflex_elems = [e for e in elements if e.vflex]
#~ if len(flex_elems) > 0:
#~ assert len(kw) == 0, "%r is not empty" % kw
#~ vfix_elems = [e for e in elements if not e.vflex]
#~ flex_panel = Panel(lh,name,vertical,*vflex_elems)
#~ fix_panel = Panel(lh,name,vertical,*vfix_elems)
self.vflex = not vertical
stretch = False
#~ monitorResize = False
for e in elements:
#~ if e.collapsible:
#~ monitorResize = True
if e.vflex:
stretch = True
if self.vertical:
if e.vflex:
self.vflex = True
else:
if not e.vflex:
self.vflex = False
#~ print 20100615, self.lh.layout, self, "hbox loses vflex because of", e
if len(elements) > 1 and self.vflex:
if self.vertical:
"""
Example : The panel contains a mixture of fields and grids.
Fields are not vflex, grids well.
"""
#~ print 20100615, self.lh, self
# so we must split this panel into several containers.
# vflex elements go into a vbox, the others into a form layout.
if False:
# Rearrange elements into "element groups"
# Each element of egroups is a list of elements who have same vflex
egroups = []
for e in elements:
if len(egroups) and egroups[-1][0].vflex == e.vflex:
egroups[-1].append(e)
else:
egroups.append([e])
if len(egroups) == 1:
# all elements have same vflex
assert tuple(egroups[0]) == elements, "%r != %r" % (tuple(egroups[0]), elements)
elements = []
for eg in egroups:
if eg[0].vflex:
#~ for e in eg: e.update(flex=1,align='stretch')
for e in eg:
e.update(flex=1)
e.collapsible = True
#~ e.update(collapsible=True)
if len(eg) == 1:
g = eg[0]
else:
#~ g = Container(lh,name,*eg,**dict(layout='vbox',flex=1)
g = Panel(lh,name,vertical,*eg,**dict(layout='vbox',
flex=1,layoutConfig=dict(align='stretch')))
assert g.vflex is True
else:
#~ for e in eg: e.update(align='stretch')
if len(eg) == 1:
g = eg[0]
else:
g = Container(lh,name,*eg,**dict(layout='form',autoHeight=True))
#~ g = Container(lh,name,*eg,**dict(layout='form'))
assert g.vflex is False
#~ if monitorResize:
#~ g.update(monitorResize=True)
#~ g.update(align='stretch')
#~ g.update(layoutConfig=dict(align='stretch'))
elements.append(g)
kw.update(layout='vbox',layoutConfig=dict(align='stretch'))
#~ self.elements = elements
else: # not self.vertical
kw.update(layout='hbox',layoutConfig=dict(align='stretch'))
for e in elements:
#~ e.set_parent(self)
if isinstance(e,FieldElement):
self.is_fieldset = True
#~ if self.label_width < e.label_width:
#~ self.label_width = e.label_width
if e.label:
w = len(e.label) + 1 # +1 for the ":"
if self.label_width < w:
self.label_width = w
label = lh.layout.collapsible_elements.get(name,None)
if label:
self.collapsible = True
self.label = label
Container.__init__(self,lh,name,*elements,**kw)
w = h = 0
for e in self.elements:
ew = e.width or e.preferred_width
eh = e.height or e.preferred_height
if self.vertical:
#~ h += e.flex
h += eh
w = max(w,ew)
else:
#w += e.flex
w += ew
h = max(h,eh)
self.preferred_height = h
self.preferred_width = w
assert self.preferred_height > 0, "%s : preferred_height is 0" % self
assert self.preferred_width > 0, "%s : preferred_width is 0" % self
d = self.value
if not d.has_key('layout'):
if len(self.elements) == 1:
d.update(layout='fit')
elif self.vertical:
#~ d.update(layout='form')
if self.vflex:
d.update(layout='vbox',layoutConfig=dict(align='stretch'))
else:
# 20100921b
#~ d.update(layout='form')
d.update(layout='form',autoHeight=True)
#~ d.update(layout='vbox',autoHeight=True)
else:
d.update(layout='hbox',autoHeight=True) # 20101028
#~ d.update(layout='hbox')
#~ 20101116 d.update(layoutConfig=dict(align='stretchmax'))
#~ if stretch : # 20100912
#~ d.update(layoutConfig=dict(align='stretch'))
#~ else:
#~ d.update(layoutConfig=dict(align='stretchmax'))
if d['layout'] == 'form':
assert self.vertical
#~ d.update(autoHeight=True)
if len(self.elements) == 1 and self.elements[0].vflex:
self.elements[0].update(anchor="100% 100%")
else:
for e in self.elements:
#~ assert not e.vflex
#~ h = e.height or e.preferred_height
#~ if e.vflex:
#~ e.value.update(anchor="100% 100%")
#~ else:
#~ e.value.update(anchor="100%")
e.update(anchor="100%")
if d['layout'] == 'hbox':
if not self.vflex: # 20101028
d.update(autoHeight=True)
d.update(layoutConfig=dict(align='stretchmax'))
for e in self.elements:
if e.hflex:
w = e.width or e.preferred_width
#~ e.value.update(columnWidth=float(w)/self.preferred_width) # 20100615
e.value.update(flex=int(w*100/self.preferred_width))
#~ wrappers = []
#~ for e in self.elements:
#~ wrappers.append(dict(layout='form',autoHeight=True,items=e))
#~ d.update(items=wrappers)
elif d['layout'] == 'vbox':
"a vbox with 2 or 3 elements, of which at least two are vflex will be implemented as a VBorderPanel"
assert len(self.elements) > 1
vflex_count = 0
h = self.height or self.preferred_height
for e in self.elements:
eh = e.height or e.preferred_height
if e.vflex:
e.value.update(flex=int(eh*100/h))
vflex_count += 1
if vflex_count >= 2 and len(self.elements) <= 3:
#~ if vflex_count >= 1 and len(self.elements) <= 3:
self.remove('layout','layoutConfig')
#~ self.value_template = 'new Lino.VBorderPanel(%s)'
for e in self.elements:
#~ if e.vflex: # """as long as there are bugs, make also non-vflex resizable"""
e.update(split=True)