Project import generated by Copybara.
GitOrigin-RevId: d9e9e3fb4e31372ec1fb43b178994ca78fa8fe70
diff --git a/templates/tracker/field-value-single-enum.ezt b/templates/tracker/field-value-single-enum.ezt
new file mode 100644
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+++ b/templates/tracker/field-value-single-enum.ezt
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+[if-any fields.values fields.derived_values]
+
+ [# TODO(jrobbins): a better UX for undesired values would be to replace the current
+ --/value slect widget with a plain-text display of the value followed by an _X_
+ link to delete it. There would be a hidden field with the value. Validation would
+ fail in JS and on the server if each such _X_ had not already been clicked.]
+
+ [# There could be more than one if this field used to be multi-valued.]
+ [for fields.values]
+ <select name="custom_[fields.field_id][is arg2 ""][else]_[arg2][end]" id="[arg0]_custom_[fields.field_id]"
+ class="custom_field_value_menu" aria-labelledby="[fields.field_id]_label">
+ [define show_no_value_choice]No[end]
+ [# Non-required fields can have any value removed.]
+ [if-any fields.field_def.is_required_bool][else]
+ [define show_no_value_choice]Yes[end]
+ [end]
+ [# Formerly multi-valued fields need -- to narrow down to being singled valued.]
+ [if-index fields.values first][else]
+ [define show_no_value_choice]Yes[end]
+ [end]
+ [is show_no_value_choice "Yes"]
+ <option value="--"
+ [is fields.values.val ""]selected="selected"[end]
+ title="No value">--</option>
+ [end]
+
+ [define value_is_shown]No[end]
+ [for fields.field_def.choices]
+ [define show_choice]No[end]
+ [# Always show the current value]
+ [is fields.values.val fields.field_def.choices.name]
+ [define value_is_shown]Yes[end]
+ [define show_choice]Yes[end]
+ [end]
+ [# Formerly multi-valued fields extra values can ONLY be removed.]
+ [if-index fields.values first]
+ [define show_choice]Yes[end]
+ [end]
+ [is show_choice "Yes"]
+ <option value="[fields.field_def.choices.name]"
+ [is fields.values.val fields.field_def.choices.name]selected="selected"[end]>
+ [fields.field_def.choices.name]
+ [if-any fields.field_def.choices.docstring]= [fields.field_def.choices.docstring][end]
+ </option>
+ [end]
+ [end]
+
+ [is value_is_shown "No"]
+ [# This is an oddball label, force the user to explicitly remove it.]
+ <option value="[fields.values.val]" selected="selected"
+ title="This value is not a defined choice for this field">
+ [fields.values.val]
+ </option>
+ [end]
+ </select><br>
+ [end]
+
+ [for fields.derived_values]
+ <div title="Derived: [fields.derived_values.docstring]" class="rolloverzone">
+ <i>[fields.derived_values.val]</i>
+ </div>
+ [end]
+
+[else][# No current values, just give all choices.]
+
+ <select name="custom_[fields.field_id][is arg2 ""][else]_arg2[end]" id="[arg0]_custom_[fields.field_id]"
+ class="custom_field_value_menu" aria-labelledby="[fields.field_id]_label">
+ [if-any fields.field_def.is_required_bool]
+ <option value="" disabled="disabled" selected="selected">Select value…</option>
+ [else]
+ <option value="--" selected="selected" title="No value">--</option>
+ [end]
+ [for fields.field_def.choices]
+ <option value="[fields.field_def.choices.name]">
+ [fields.field_def.choices.name]
+ [if-any fields.field_def.choices.docstring]= [fields.field_def.choices.docstring][end]
+ </option>
+ [end]
+ </select><br>
+
+[end]