From bc1ad1f8452cdbab08b05d3a5bec8bcc5ad0dcae Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Mon, 3 Dec 2018 17:41:46 +0100
Subject: cm->m / g->kg widget

---
 archaeological_finds/forms.py                      | 27 ++++++++++++-------
 .../templates/blocks/CentimeterMeterWidget.html    | 21 +++++++++++++++
 .../templates/blocks/GramKilogramWidget.html       | 21 +++++++++++++++
 ishtar_common/widgets.py                           | 30 ++++++++++++++++++++++
 4 files changed, 90 insertions(+), 9 deletions(-)
 create mode 100644 ishtar_common/templates/blocks/CentimeterMeterWidget.html
 create mode 100644 ishtar_common/templates/blocks/GramKilogramWidget.html

diff --git a/archaeological_finds/forms.py b/archaeological_finds/forms.py
index 66f99d08b..9e64a901a 100644
--- a/archaeological_finds/forms.py
+++ b/archaeological_finds/forms.py
@@ -199,19 +199,28 @@ class BaseFindForm(CustomForm, ManageOldType):
         label=_(u"Comment on dating"), required=False, widget=forms.Textarea)
 
     HEADERS['length'] = FormHeader(_(u"Dimensions"))
-    length = FloatField(label=_(u"Length (cm)"), required=False)
-    width = FloatField(label=_(u"Width (cm)"), required=False)
-    height = FloatField(label=_(u"Height (cm)"), required=False)
-    diameter = FloatField(label=_(u"Diameter (cm)"), required=False)
-    thickness = FloatField(label=_(u"Thickness (cm)"), required=False)
+    length = FloatField(label=_(u"Length (cm)"),
+                        widget=widgets.CentimeterMeterWidget, required=False)
+    width = FloatField(label=_(u"Width (cm)"), required=False,
+                       widget=widgets.CentimeterMeterWidget)
+    height = FloatField(label=_(u"Height (cm)"),
+                        widget=widgets.CentimeterMeterWidget, required=False)
+    thickness = FloatField(label=_(u"Thickness (cm)"),
+                           widget=widgets.CentimeterMeterWidget, required=False)
+    diameter = FloatField(label=_(u"Diameter (cm)"),
+                          widget=widgets.CentimeterMeterWidget, required=False)
     volume = FloatField(label=_(u"Volume (l)"), required=False)
-    weight = FloatField(label=_(u"Weight (g)"), required=False)
+    weight = FloatField(label=_(u"Weight (g)"),
+                        widget=widgets.GramKilogramWidget, required=False)
     clutter_long_side = FloatField(
-        label=_(u"Clutter long side (cm)"), required=False)
+        label=_(u"Clutter long side (cm)"),
+        widget=widgets.CentimeterMeterWidget, required=False)
     clutter_short_side = FloatField(
-        label=_(u"Clutter short side (cm)"), required=False)
+        label=_(u"Clutter short side (cm)"),
+        widget=widgets.CentimeterMeterWidget, required=False)
     clutter_height = FloatField(
-        label=_(u"Clutter height (cm)"), required=False)
+        label=_(u"Clutter height (cm)"),
+        widget=widgets.CentimeterMeterWidget, required=False)
     dimensions_comment = forms.CharField(
         label=_(u"Dimensions comment"), required=False, widget=forms.Textarea)
 
diff --git a/ishtar_common/templates/blocks/CentimeterMeterWidget.html b/ishtar_common/templates/blocks/CentimeterMeterWidget.html
new file mode 100644
index 000000000..00c1614b5
--- /dev/null
+++ b/ishtar_common/templates/blocks/CentimeterMeterWidget.html
@@ -0,0 +1,21 @@
+<div class="input-group">
+    <input class="area_widget form-control" type="text"{{final_attrs|safe}}>
+    <div class="input-group-append">
+        <div class="input-group-text">
+            {{unit}} (<span id="meter_{{id}}">0</span>&nbsp;m)
+        </div>
+    </div>
+</div>
+<script type="text/javascript"><!--//
+    function evaluate_{{safe_id}}(){
+        value = parseFloat($("#{{id}}").val());
+        if(!isNaN(value)){
+            value = value/100;
+        } else {
+            value = 0;
+        }
+        $("#meter_{{id}}").html(value);
+    }
+    $("#{{id}}").keyup(evaluate_{{safe_id}});
+    $(document).ready(evaluate_{{safe_id}}());
+//--></script>
diff --git a/ishtar_common/templates/blocks/GramKilogramWidget.html b/ishtar_common/templates/blocks/GramKilogramWidget.html
new file mode 100644
index 000000000..27c066d13
--- /dev/null
+++ b/ishtar_common/templates/blocks/GramKilogramWidget.html
@@ -0,0 +1,21 @@
+<div class="input-group">
+    <input class="area_widget form-control" type="text"{{final_attrs|safe}}>
+    <div class="input-group-append">
+        <div class="input-group-text">
+            {{unit}} (<span id="kg_{{id}}">0</span>&nbsp;kg)
+        </div>
+    </div>
+</div>
+<script type="text/javascript"><!--//
+    function evaluate_{{safe_id}}(){
+        value = parseFloat($("#{{id}}").val());
+        if(!isNaN(value)){
+            value = value/1000;
+        } else {
+            value = 0;
+        }
+        $("#kg_{{id}}").html(value);
+    }
+    $("#{{id}}").keyup(evaluate_{{safe_id}});
+    $(document).ready(evaluate_{{safe_id}}());
+//--></script>
diff --git a/ishtar_common/widgets.py b/ishtar_common/widgets.py
index f668ee534..326966064 100644
--- a/ishtar_common/widgets.py
+++ b/ishtar_common/widgets.py
@@ -470,6 +470,36 @@ class SquareMeterWidget(forms.TextInput):
         return mark_safe(rendered)
 
 
+class GramKilogramWidget(forms.TextInput):
+    def render(self, name, value, attrs=None, renderer=None):
+        if not value:
+            value = u""
+        final_attrs = flatatt(
+            self.build_attrs(attrs, {"name": name, "value": value}))
+        dct = {'final_attrs': final_attrs,
+               'unit': u"g",
+               'id': attrs['id'],
+               "safe_id": attrs['id'].replace('-', '_')}
+        t = loader.get_template('blocks/GramKilogramWidget.html')
+        rendered = t.render(dct)
+        return mark_safe(rendered)
+
+
+class CentimeterMeterWidget(forms.TextInput):
+    def render(self, name, value, attrs=None, renderer=None):
+        if not value:
+            value = u""
+        final_attrs = flatatt(
+            self.build_attrs(attrs, {"name": name, "value": value}))
+        dct = {'final_attrs': final_attrs,
+               'unit': u"cm",
+               'id': attrs['id'],
+               "safe_id": attrs['id'].replace('-', '_')}
+        t = loader.get_template('blocks/CentimeterMeterWidget.html')
+        rendered = t.render(dct)
+        return mark_safe(rendered)
+
+
 AreaWidget = forms.TextInput
 
 if settings.SURFACE_UNIT == 'square-metre':
-- 
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