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import ast
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import json
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from itertools import chain
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from django import forms
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from django.utils.safestring import mark_safe
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from django.utils.encoding import force_text
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from django.utils.html import conditional_escape
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try:
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basestring # attempt to evaluate basestring
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def isstr(s):
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return isinstance(s, basestring)
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except NameError:
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def isstr(s):
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return isinstance(s, str)
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class KmUnitWidget(forms.widgets.TextInput):
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def render(self, label, value, attrs=None):
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if isinstance(value, (int, float)):
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unit = int(value*attrs['km2unit'])
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elif isstr(value):
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units = []
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values = [s for s in value.split(',') if s]
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for val in values:
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units.append('{0:.0f}'.format(float(val)*attrs['km2unit']))
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unit = ','.join(units)
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disabled = 'disabled' if attrs.get('disabled', False) else ''
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name = attrs.get('name', label)
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if attrs['id'] in ('id_delays',):
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input_type = 'text'
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else:
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input_type = 'number'
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if 'line' in attrs:
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label += '_{0}_{1}'.format(attrs['line'].pk, name.split('|')[0])
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html = '''<div class="col-md-12 col-no-padding">
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<div class="col-md-5 col-no-padding"><input type="{0}" step="any" {1} class="form-control" id="id_{2}" name="{3}" value="{4}"></div>
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<div class="col-md-1 col-no-padding">Km</div>
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<div class="col-md-5 col-no-padding"><input type="{0}" {1} class="form-control" id="id_{2}_unit" value="{5}"></div>
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<div class="col-md-1 col-no-padding">Units</div></div><br>'''.format(input_type, disabled, label, name, value, unit)
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script = '''<script type="text/javascript">
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$(document).ready(function () {{
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km_fields.push("id_{label}");
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unit_fields.push("id_{label}_unit");
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$("#id_{label}").change(function() {{
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$("#id_{label}_unit").val(str2unit($(this).val()));
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$("#id_{label}").val(str2km($("#id_{label}_unit").val()));
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updateWindows("#id_{label}");
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}});
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$("#id_{label}_unit").change(function() {{
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$(this).val(str2int($(this).val()));
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$("#id_{label}").val(str2km($(this).val()));
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updateWindows("#id_{label}");
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}});
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}});
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</script>'''.format(label=label)
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if disabled:
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return mark_safe(html)
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else:
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return mark_safe(html+script)
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class UnitKmWidget(forms.widgets.TextInput):
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def render(self, label, value, attrs=None):
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if isinstance(value, (int, float)):
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km = value/attrs['km2unit']
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elif isinstance(value, basestring):
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kms = []
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values = [s for s in value.split(',') if s]
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for val in values:
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kms.append('{0:.0f}'.format(float(val)/attrs['km2unit']))
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km = ','.join(kms)
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disabled = 'disabled' if attrs.get('disabled', False) else ''
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name = attrs.get('name', label)
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if 'line' in attrs:
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label += '_{0}_{1}'.format(attrs['line'].pk, name.split('|')[0])
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html = '''<div class="col-md-12 col-no-padding">
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<div class="col-md-5 col-no-padding"><input type="number" {0} class="form-control" id="id_{1}_unit" name="{2}" value="{3}"></div>
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<div class="col-md-1 col-no-padding">Units</div>
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<div class="col-md-5 col-no-padding"><input type="number" step="any" {4} class="form-control" id="id_{5}" value="{6}"></div>
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<div class="col-md-1 col-no-padding">Km</div></div>'''.format(disabled, label, name, value, disabled, label, km)
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script = '''<script type="text/javascript">
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$(document).ready(function () {{
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km_fields.push("id_{label}");
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unit_fields.push("id_{label}_unit");
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$("#id_{label}").change(function() {{
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$("#id_{label}_unit").val(str2unit($(this).val()));
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}});
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$("#id_{label}_unit").change(function() {{
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$("#id_{label}").val(str2km($(this).val()));
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}});
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}});
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</script>'''.format(label=label)
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if disabled:
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return mark_safe(html)
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else:
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return mark_safe(html+script)
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class KmUnitHzWidget(forms.widgets.TextInput):
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def render(self, label, value, attrs=None):
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unit = float(value)*attrs['km2unit']
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if unit%10==0:
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unit = int(unit)
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hz = 150000*float(value)**-1
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disabled = 'disabled' if attrs.get('disabled', False) else ''
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name = attrs.get('name', label)
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if 'line' in attrs:
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label += '_{0}'.format(attrs['line'].pk)
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html = '''<div class="col-md-12 col-no-padding">
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<div class="col-md-3 col-no-padding"><input type="number" step="any" {0} class="form-control" id="id_{1}" name="{2}" value="{3}"></div>
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<div class="col-md-1 col-no-padding">Km</div>
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<div class="col-md-3 col-no-padding"><input type="number" {4} class="form-control" id="id_{1}_unit" value="{5}"></div>
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<div class="col-md-1 col-no-padding">Units</div>
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<div class="col-md-3 col-no-padding"><input type="number" step="any" {4} class="form-control" id="id_{1}_hz" value="{6}"></div>
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<div class="col-md-1 col-no-padding">Hz</div>
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</div>'''.format(disabled, label, name, value, disabled, unit, hz)
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script = '''<script type="text/javascript">
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$(document).ready(function () {{
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km_fields.push("id_{label}");
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unit_fields.push("id_{label}_unit");
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$("#id_{label}").change(function() {{
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$("#id_{label}_unit").val(str2unit($(this).val()));
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$("#id_{label}").val(str2km($("#id_{label}_unit").val()));
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$("#id_{label}_hz").val(str2hz($(this).val()));
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updateDc();
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}});
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$("#id_{label}_unit").change(function() {{
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$(this).val(Math.round(parseFloat($(this).val())/10)*10);
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$("#id_{label}").val(str2km($(this).val()));
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$("#id_{label}_hz").val(str2hz($("#id_{label}").val()));
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updateDc();
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}});
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$("#id_{label}_hz").change(function() {{
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$("#id_{label}").val(str2hz($(this).val()));
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$("#id_{label}_unit").val(str2unit($("#id_{label}").val()));
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updateDc();
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}});
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}});
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</script>'''.format(label=label)
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if disabled:
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return mark_safe(html)
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else:
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return mark_safe(html+script)
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class KmUnitDcWidget(forms.widgets.TextInput):
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def render(self, label, value, attrs=None):
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unit = int(float(value)*attrs['km2unit'])
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disabled = 'disabled' if attrs.get('disabled', False) else ''
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name = attrs.get('name', label)
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label += '_{0}'.format(attrs['line'].pk)
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dc = float(json.loads(attrs['line'].params)['pulse_width'])*100/attrs['line'].rc_configuration.ipp
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html = '''<div class="col-md-12 col-no-padding">
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<div class="col-md-3 col-no-padding"><input type="number" step="any" {0} class="form-control" id="id_{1}" name="{2}" value="{3}"></div>
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<div class="col-md-1 col-no-padding">Km</div>
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<div class="col-md-3 col-no-padding"><input type="number" {4} class="form-control" id="id_{1}_unit" value="{5}"></div>
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<div class="col-md-1 col-no-padding">Units</div>
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<div class="col-md-3 col-no-padding"><input type="number" step="any" {4} class="form-control" id="id_{1}_dc" value="{6}"></div>
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<div class="col-md-1 col-no-padding">DC[%]</div>
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</div>'''.format(disabled, label, name, value, disabled, unit, dc)
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script = '''<script type="text/javascript">
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$(document).ready(function () {{
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km_fields.push("id_{label}");
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unit_fields.push("id_{label}_unit");
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dc_fields.push("id_{label}");
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$("#id_{label}").change(function() {{
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$("#id_{label}_unit").val(str2unit($(this).val()));
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$("#id_{label}").val(str2km($("#id_{label}_unit").val()));
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$("#id_{label}_dc").val(str2dc($("#id_{label}").val()));
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}});
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$("#id_{label}_unit").change(function() {{
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$("#id_{label}").val(str2km($(this).val()));
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$("#id_{label}_dc").val(str2dc($("#id_{label}").val()));
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}});
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$("#id_{label}_dc").change(function() {{
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$("#id_{label}").val(parseFloat($(this).val())*100/parseFloat($("#id_ipp").val()));
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$("#id_{label}_unit").val(str2unit($("#id_{label}").val()));
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}});
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}});
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</script>'''.format(label=label)
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if disabled:
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return mark_safe(html)
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else:
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return mark_safe(html+script)
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class DefaultWidget(forms.widgets.TextInput):
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def render(self, label, value, attrs=None):
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disabled = 'disabled' if attrs.get('disabled', False) else ''
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itype = 'number' if label in ('number_of_samples', 'last_height') else 'text'
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name = attrs.get('name', label)
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if 'line' in attrs:
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label += '_{0}_{1}'.format(attrs['line'].pk, name.split('|')[0])
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html = '<div class="col-md-12 col-no-padding"><div class="col-md-5 col-no-padding"><input {0} type="{1}" class="form-control" id="id_{2}" name="{3}" value="{4}"></div></div>'.format(disabled, itype, label, name, value)
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if 'last_height' in label or 'number_of_samples' in label:
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script = '''<script type="text/javascript">
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$(document).ready(function () {{
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$("#id_{label}").change(function() {{
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updateWindows("#id_{label}");
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}});
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}});
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</script>'''.format(label=label)
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else:
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script = ''
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if disabled:
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return mark_safe(html)
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else:
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return mark_safe(html+script)
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return mark_safe(html)
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class HiddenWidget(forms.widgets.HiddenInput):
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def render(self, label, value, attrs=None):
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disabled = 'disabled' if attrs.get('disabled', False) else ''
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name = self.attrs.get('name', label)
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html = '<input {0} type="hidden" class="form-control" id="id_{1}" name="{2}" value="{3}">'.format(disabled, label, name, value)
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return mark_safe(html)
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class CodesWidget(forms.widgets.Textarea):
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def render(self, label, value, attrs=None):
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disabled = 'disabled' if attrs.get('disabled', False) else ''
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name = attrs.get('name', label)
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if '[' in value:
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value = ast.literal_eval(value)
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if isinstance(value, list):
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codes = '\r\n'.join(value)
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else:
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codes = value
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html = '<textarea rows="5" {0} class="form-control" id="id_{1}" name="{2}" style="white-space:nowrap; overflow:scroll;">{3}</textarea>'.format(disabled, label, name, codes)
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return mark_safe(html)
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class HCheckboxSelectMultiple(forms.CheckboxSelectMultiple):
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def render(self, name, value, attrs=None, choices=()):
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if value is None: value = []
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has_id = attrs and 'id' in attrs
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final_attrs = self.build_attrs(attrs, name=name)
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output = [u'<br><ul>']
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# Normalize to strings
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str_values = set([force_text(v) for v in value])
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for i, (option_value, option_label) in enumerate(chain(self.choices, choices)):
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# If an ID attribute was given, add a numeric index as a suffix,
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# so that the checkboxes don't all have the same ID attribute.
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if has_id:
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final_attrs = dict(final_attrs, id='%s_%s' % (attrs['id'], i))
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label_for = u' for="%s"' % final_attrs['id']
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else:
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label_for = ''
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cb = forms.CheckboxInput(final_attrs, check_test=lambda value: value in str_values)
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option_value = force_text(option_value)
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rendered_cb = cb.render(name, option_value)
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option_label = conditional_escape(force_text(option_label))
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output.append(u'<span><label%s>%s %s</label></span>' % (label_for, rendered_cb, option_label))
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output.append(u'</div><br>')
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return mark_safe(u'\n'.join(output))
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