277 lines
11 KiB
Python
277 lines
11 KiB
Python
# w.c.s. - web application for online forms
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# Copyright (C) 2005-2015 Entr'ouvert
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <http://www.gnu.org/licenses/>.
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from quixote import redirect
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from quixote.directory import Directory
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from quixote.html import TemplateIO, htmltext
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from ..qommon import _
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from ..qommon import errors, template
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from ..qommon.form import *
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from ..qommon.misc import json_response
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from ..qommon.backoffice.menu import html_top
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from wcs.data_sources import (NamedDataSource, DataSourceSelectionWidget,
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get_structured_items)
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from wcs.formdef import FormDef, get_formdefs_of_all_kinds
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class NamedDataSourceUI(object):
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def __init__(self, datasource):
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self.datasource = datasource
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if self.datasource is None:
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self.datasource = NamedDataSource()
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def is_used(self):
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for formdef in get_formdefs_of_all_kinds():
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if self.datasource.is_used_in_formdef(formdef):
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return True
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return False
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def get_form(self):
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form = Form(enctype='multipart/form-data',
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advanced_label=_('Additional options'))
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form.add(StringWidget, 'name', title=_('Name'), required=True, size=30,
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value=self.datasource.name)
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form.add(TextWidget, 'description', title=_('Description'),
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cols=40, rows=5,
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value=self.datasource.description)
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form.add(DataSourceSelectionWidget, 'data_source',
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value=self.datasource.data_source,
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title=_('Data Source'),
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allow_named_sources=False,
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required=True)
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form.add(DurationWidget, 'cache_duration',
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value=self.datasource.cache_duration,
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title=_('Cache Duration'),
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hint=_('Caching data will improve performances but will keep changes '
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'from being visible immediately. You should keep this duration '
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'reasonably short.'),
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required=False,
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advanced=False,
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attrs={
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'data-dynamic-display-child-of': 'data_source$type',
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'data-dynamic-display-value': 'json',
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})
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form.add(StringWidget, 'query_parameter',
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value=self.datasource.query_parameter,
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title=_('Query Parameter'),
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hint=_('Name of the parameter to use for querying source (typically, q)'),
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required=False,
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advanced=False,
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attrs={
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'data-dynamic-display-child-of': 'data_source$type',
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'data-dynamic-display-value': 'json',
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})
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form.add(StringWidget, 'id_parameter',
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value=self.datasource.id_parameter,
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title=_('Id Parameter'),
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hint=_('Name of the parameter to use to get a given entry from data source (typically, id)'),
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required=False,
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advanced=False,
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attrs={
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'data-dynamic-display-child-of': 'data_source$type',
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'data-dynamic-display-value': 'json',
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})
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if self.datasource.slug and not self.is_used():
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form.add(StringWidget, 'slug',
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value=self.datasource.slug,
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title=_('Identifier'),
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required=True, advanced=True,
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)
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form.add_submit('submit', _('Submit'))
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form.add_submit('cancel', _('Cancel'))
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return form
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def submit_form(self, form):
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name = form.get_widget('name').parse()
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if self.datasource.slug:
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slug = form.get_widget('slug').parse()
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else:
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slug = None
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for nds in NamedDataSource.select():
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if nds.id == self.datasource.id:
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continue
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if name == nds.name:
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form.get_widget('name').set_error(_('This name is already used.'))
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if slug == nds.slug:
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form.get_widget('slug').set_error(_('This value is already used.'))
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if form.has_errors():
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raise ValueError()
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self.datasource.name = name
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self.datasource.description = form.get_widget('description').parse()
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self.datasource.data_source = form.get_widget('data_source')
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self.datasource.cache_duration = form.get_widget('cache_duration').parse()
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self.datasource.query_parameter = form.get_widget('query_parameter').parse()
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self.datasource.id_parameter = form.get_widget('id_parameter').parse()
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if self.datasource.slug:
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self.datasource.slug = slug
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self.datasource.store()
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class NamedDataSourcePage(Directory):
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_q_exports = ['', 'edit', 'delete']
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do_not_call_in_templates = True
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def __init__(self, component):
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try:
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self.datasource = NamedDataSource.get(component)
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except KeyError:
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raise errors.TraversalError()
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self.datasource_ui = NamedDataSourceUI(self.datasource)
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get_response().breadcrumb.append((component + '/', self.datasource.name))
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def _q_index(self):
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html_top('datasources', title=self.datasource.name)
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return template.QommonTemplateResponse(
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templates=['wcs/backoffice/data-sources.html'],
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context={'view': self, 'datasource': self.datasource})
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def usage_in_formdefs(self):
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formdefs = []
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for formdef in FormDef.select(ignore_errors=True, ignore_migration=True, order_by='name'):
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if self.datasource.is_used_in_formdef(formdef):
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formdefs.append(formdef)
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return formdefs
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def preview_block(self):
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if self.datasource.data_source.get('type') not in ('json', 'formula'):
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return ''
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items = get_structured_items(self.datasource.data_source)
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if not items:
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return ''
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r = TemplateIO(html=True)
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r += htmltext('<h3>%s</h3>') % _('Preview (first items only)')
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r += htmltext('<div class="bo-block data-source-preview">')
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r += htmltext('<ul>')
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additional_keys = set()
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for item in items[:10]:
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if not isinstance(item.get('text'), str):
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r += htmltext('<li><tt>%s</tt>: <i>%s (%r)</i></li>') % (
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item.get('id'),
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_('error: not a string'),
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item.get('text'))
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else:
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r += htmltext('<li><tt>%s</tt>: %s</li>') % (
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item.get('id'), item.get('text'))
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additional_keys |= set(item.keys())
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if len(items) > 10:
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r += htmltext('<li>...</li>')
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r += htmltext('</ul>')
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additional_keys -= set(['id', 'text'])
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if additional_keys:
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r += htmltext('<p>%s %s</p>') % (_('Additional keys are available:'),
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', '.join(sorted(additional_keys)))
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r += htmltext('</div>')
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return r.getvalue()
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def edit(self):
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form = self.datasource_ui.get_form()
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if form.get_submit() == 'cancel':
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return redirect('.')
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if form.get_submit() == 'submit' and not form.has_errors():
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try:
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self.datasource_ui.submit_form(form)
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except ValueError:
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pass
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else:
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return redirect('.')
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get_response().breadcrumb.append( ('edit', _('Edit')) )
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html_top('datasources', title = _('Edit Data Source'))
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r = TemplateIO(html=True)
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r += htmltext('<h2>%s</h2>') % _('Edit Data Source')
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r += form.render()
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return r.getvalue()
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def delete(self):
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form = Form(enctype='multipart/form-data')
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if not self.datasource_ui.is_used():
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form.widgets.append(HtmlWidget('<p>%s</p>' % _(
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'You are about to irrevocably delete this data source.')))
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form.add_submit('delete', _('Submit'))
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else:
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form.widgets.append(HtmlWidget('<p>%s</p>' % _(
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'This datasource is still used, it cannot be deleted.')))
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form.add_submit('cancel', _('Cancel'))
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if form.get_widget('cancel').parse():
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return redirect('..')
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if not form.is_submitted() or form.has_errors():
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get_response().breadcrumb.append(('delete', _('Delete')))
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html_top('datasources', title = _('Delete Data Source'))
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r = TemplateIO(html=True)
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r += htmltext('<h2>%s %s</h2>') % (_('Deleting Data Source:'), self.datasource.name)
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r += form.render()
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return r.getvalue()
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else:
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self.datasource.remove_self()
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return redirect('..')
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class NamedDataSourcesDirectory(Directory):
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_q_exports = ['', 'new']
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def _q_traverse(self, path):
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get_response().breadcrumb.append( ('data-sources/', _('Data Sources')) )
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return super(NamedDataSourcesDirectory, self)._q_traverse(path)
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def _q_index(self):
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get_response().add_javascript(['jquery.js', 'jquery-ui.js', 'biglist.js',
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'qommon.wysiwyg.js'])
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html_top('datasources', title = _('Data Sources'))
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r = TemplateIO(html=True)
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r += htmltext('<div id="appbar">')
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r += htmltext('<h2>%s</h2>') % _('Data Sources')
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r += htmltext('<span class="actions">')
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r += htmltext('<a class="new-item" href="new">%s</a>') % _('New Data Source')
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r += htmltext('</span>')
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r += htmltext('</div>')
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r += htmltext('<ul class="biglist" id="datasource-list">')
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datasources = NamedDataSource.select(order_by='name')
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for datasource in datasources:
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r += htmltext('<li class="biglistitem" id="itemId_%s">') % datasource.id
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r += htmltext('<strong class="label"><a href="%s/">%s (%s)</a></strong>') % (
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datasource.id, datasource.name, datasource.slug)
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r += htmltext('</li>')
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r += htmltext('</ul>')
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return r.getvalue()
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def new(self):
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get_response().breadcrumb.append( ('new', _('New')) )
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datasource_ui = NamedDataSourceUI(None)
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form = datasource_ui.get_form()
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if form.get_widget('cancel').parse():
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return redirect('.')
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if form.get_submit() == 'submit' and not form.has_errors():
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try:
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datasource_ui.submit_form(form)
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except ValueError:
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pass
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else:
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return redirect('.')
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html_top('datasources', title = _('New Data Source'))
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r = TemplateIO(html=True)
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r += htmltext('<h2>%s</h2>') % _('New Data Source')
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r += form.render()
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return r.getvalue()
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def _q_lookup(self, component):
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return NamedDataSourcePage(component)
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