From ff0bdc9c845f65401b8e97649fcea881d07c8f3f Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Wed, 18 Mar 2020 19:55:10 +0100
Subject: Autocomplete widget: add modify action to autocomplete field - better
 layout for previous value

---
 ishtar_common/widgets.py | 63 ++++++++++++++++++++++++++++++++----------------
 1 file changed, 42 insertions(+), 21 deletions(-)

(limited to 'ishtar_common/widgets.py')

diff --git a/ishtar_common/widgets.py b/ishtar_common/widgets.py
index bf0f90a6c..3410d0824 100644
--- a/ishtar_common/widgets.py
+++ b/ishtar_common/widgets.py
@@ -599,7 +599,7 @@ class ModelJQueryAutocompleteField(ModelFieldMixin, forms.CharField):
 class JQueryAutoComplete(forms.TextInput):
     def __init__(self, source, associated_model=None, options=None, attrs=None,
                  new=False, url_new='', multiple=False, limit=None,
-                 dynamic_limit=None, tips=""):
+                 dynamic_limit=None, modify=False, tips=""):
         """
         Source can be a list containing the autocomplete values or a
         string containing the url used for the request.
@@ -621,6 +621,7 @@ class JQueryAutoComplete(forms.TextInput):
 
         self.new = new
         self.url_new = url_new
+        self.modify = modify
         self.multiple = multiple
         self.limit = limit or {}
         self.dynamic_limit = dynamic_limit or []
@@ -665,6 +666,7 @@ class JQueryAutoComplete(forms.TextInput):
         attrs_hidden = self.build_attrs(attrs, {"name": name})
         attrs_select = self.build_attrs(attrs)
         attrs_select['placeholder'] = _(u"Search...")
+        values = []
         if value:
             hiddens = []
             selects = []
@@ -703,20 +705,32 @@ class JQueryAutoComplete(forms.TextInput):
         if 'class' not in attrs_select:
             attrs_select['class'] = 'autocomplete'
 
+        has_previous_value = 'value' in attrs_select and attrs_select['value']
         attrs_select['class'] += ' form-control'
-        new = ''
-        html = u""
-        if self.tips or self.new:
-            html = "<div class='input-group'>"
+        new = ""
+        html = ""
+        if self.tips or self.new or self.modify:
+            klass = "input-group"
+            if has_previous_value:
+                klass += " has-previous-value"
+            html = "<div class='{}'>".format(klass)
+            # WARNING: the modal for the form must be in the main template
+            # "extra_form_modals" list is used for that in form or view
+            model_name = self.associated_model._meta.object_name.lower()
             if self.tips:
-                new = """<span class="input-group-append">
+                new += """<span class="input-group-append">
                 <span class="add-button input-group-text"><em>{}</em></span></span>
                 """.format(self.tips)
+            if self.modify and len(values) == 1:
+                url_modify = 'modify-' + model_name
+                url_modify = reverse(url_modify, args=[values[0]])
+                new += """
+                <span class="input-group-append">
+                <a href="#" class="modify-button input-group-text"
+                    onclick="dt_qa_open('{}', 'modal-dynamic-form-{}');">
+                    <i class="fa fa-pencil"></i></a>
+                </span>""".format(url_modify, model_name, model_name)
             if self.new:
-                # WARNING: the modal for the form must be in the main template
-                # "extra_form_modals" list is used for that in form or view
-
-                model_name = self.associated_model._meta.object_name.lower()
                 limits = []
                 for k in self.limit:
                     limits.append(k + "__" + "-".join(
@@ -737,18 +751,25 @@ class JQueryAutoComplete(forms.TextInput):
             new += "</div>"
 
         old_value = ""
-        if 'value' in attrs_select and attrs_select['value']:
-            old_value = u"""<span class='previous-value'>
-    <em>{}</em> <span id="{}">{}</span>
-    <button class="btn btn-secondary small-button" type="button"
-        id="{}">
-        <i class="fa fa-refresh" aria-hidden="true"></i>
-    </button>
-</span>""".format(
-                _(u"Previous value:"),
-                attrs_hidden['id'] + u"_previous_label",
+        if has_previous_value:
+            old_value = """<div class='input-group previous-value'>
+                <div class="input-group-prepend">
+                    <span class="input-group-text font-italic">{}</span>
+                </div>
+                <input class="form-control" id="{}" type="text" value="{}"
+                   disabled="disabled" />
+                <span class="input-group-append">
+                <button class="btn btn-secondary small-button" type="button"
+                    id="{}" title="{}">
+                    <i class="fa fa-refresh" aria-hidden="true"></i>
+                </button>
+                </span>
+            </div>""".format(
+                _("Prev.:"),
+                attrs_hidden['id'] + "_previous_label",
                 attrs_select['value'],
-                attrs_hidden['id'] + u"_previous_button",
+                attrs_hidden['id'] + "_previous_button",
+                _("Restore previous")
             )
             attrs_hidden_previous = attrs_hidden.copy()
             attrs_hidden_previous['name'] += u"_previous"
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