From 3cea91884b28b52df4e38f2ba88c00b65071a81f Mon Sep 17 00:00:00 2001 From: "mkanat%bugzilla.org" <> Date: Sat, 25 Oct 2008 04:11:30 +0000 Subject: Bug 291433: Ability to have custom fields whose visibility depends on the values of other fields Patch By Max Kanat-Alexander r=bbaetz, a=mkanat --- js/field.js | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) (limited to 'js/field.js') diff --git a/js/field.js b/js/field.js index 497c9d2c1..fb8716872 100644 --- a/js/field.js +++ b/js/field.js @@ -323,3 +323,39 @@ function boldOnChange(e, field_id){ } } } + +/** + * Says that a field should only be displayed when another field has + * a certain value. May only be called after the controller has already + * been added to the DOM. + */ +function showFieldWhen(controlled_id, controller_id, value) { + var controller = document.getElementById(controller_id); + // Note that we don't get an object for "controlled" here, because it + // might not yet exist in the DOM. We just pass along its id. + YAHOO.util.Event.addListener(controller, 'change', + handleVisControllerValueChange, [controlled_id, controller, value]); +} + +/** + * Called by showFieldWhen when a field's visibility controller + * changes values. + */ +function handleVisControllerValueChange(e, args) { + var controlled_id = args[0]; + var controller = args[1]; + var value = args[2]; + + var label_container = + document.getElementById('field_label_' + controlled_id); + var field_container = + document.getElementById('field_container_' + controlled_id); + if (bz_valueSelected(controller, value)) { + YAHOO.util.Dom.removeClass(label_container, 'bz_hidden_field'); + YAHOO.util.Dom.removeClass(field_container, 'bz_hidden_field'); + } + else { + YAHOO.util.Dom.addClass(label_container, 'bz_hidden_field'); + YAHOO.util.Dom.addClass(field_container, 'bz_hidden_field'); + } +} -- cgit v1.2.3-24-g4f1b