drupal/modules/field_ui/field_ui.js

85 lines
3.3 KiB
JavaScript

// $Id$
(function($) {
Drupal.behaviors.fieldManageFields = {
attach: function (context) {
attachUpdateSelects(context);
}
};
function attachUpdateSelects(context) {
var widgetTypes = Drupal.settings.fieldWidgetTypes;
var fields = Drupal.settings.fields;
// Store the default text of widget selects.
$('#field-overview .widget-type-select', context).each(function () {
this.initialValue = this.options[0].text;
});
// 'Field type' select updates its 'Widget' select.
$('#field-overview .field-type-select', context).each(function () {
this.targetSelect = $('.widget-type-select', $(this).parents('tr').eq(0));
$(this).bind('change keyup', function () {
var selectedFieldType = this.options[this.selectedIndex].value;
var options = (selectedFieldType in widgetTypes ? widgetTypes[selectedFieldType] : []);
this.targetSelect.fieldPopulateOptions(options);
});
// Trigger change on initial pageload to get the right widget options
// when field type comes pre-selected (on failed validation).
$(this).trigger('change', false);
});
// 'Existing field' select updates its 'Widget' select and 'Label' textfield.
$('#field-overview .field-select', context).each(function () {
this.targetSelect = $('.widget-type-select', $(this).parents('tr').eq(0));
this.targetTextfield = $('.label-textfield', $(this).parents('tr').eq(0));
$(this).bind('change keyup', function (e, updateText) {
var updateText = (typeof updateText == 'undefined' ? true : updateText);
var selectedField = this.options[this.selectedIndex].value;
var selectedFieldType = (selectedField in fields ? fields[selectedField].type : null);
var selectedFieldWidget = (selectedField in fields ? fields[selectedField].widget : null);
var options = (selectedFieldType && (selectedFieldType in widgetTypes) ? widgetTypes[selectedFieldType] : []);
this.targetSelect.fieldPopulateOptions(options, selectedFieldWidget);
if (updateText) {
$(this.targetTextfield).attr('value', (selectedField in fields ? fields[selectedField].label : ''));
}
});
// Trigger change on initial pageload to get the right widget options
// and label when field type comes pre-selected (on failed validation).
$(this).trigger('change', false);
});
}
jQuery.fn.fieldPopulateOptions = function (options, selected) {
return this.each(function () {
var disabled = false;
if (options.length == 0) {
options = [this.initialValue];
disabled = true;
}
// If possible, keep the same widget selected when changing field type.
// This is based on textual value, since the internal value might be
// different (options_buttons vs. node_reference_buttons).
var previousSelectedText = this.options[this.selectedIndex].text;
var html = '';
jQuery.each(options, function (value, text) {
// Figure out which value should be selected. The 'selected' param
// takes precedence.
var is_selected = ((typeof selected != 'undefined' && value == selected) || (typeof selected == 'undefined' && text == previousSelectedText));
html += '<option value="' + value + '"' + (is_selected ? ' selected="selected"' : '') + '>' + text + '</option>';
});
$(this).html(html).attr('disabled', disabled ? 'disabled' : '');
});
};
})(jQuery);