form.js
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$(function(){
activateNestedForms();
activateCheckboxHooks();
if($('div.watcher.nested').length)
activateTypeSelector('watcher');
if($('div.issue_tracker.nested').length)
activateTypeSelector('issue_tracker', 'tracker_params');
});
function activateNestedForms() {
$('.nested-wrapper').each(function(){
var wrapper = $(this);
makeNestedItemsDestroyable(wrapper);
var addLink = $('<a/>').text('add another').addClass('add-nested');
addLink.click(appendNestedItem);
wrapper.append(addLink);
});
$('.nested a.remove-nested').live('click',removeNestedItem);
}
function makeNestedItemsDestroyable(wrapper) {
wrapper.find('.nested').each(function(){
var nestedItem = $(this);
var destroyLink = $('<a/>').text('remove').addClass('remove-nested');
destroyLink.css('float','right');
nestedItem.find('label').first().before(destroyLink);
})
}
function appendNestedItem() {
var addLink = $(this);
var nestedItem = addLink.parent().find('.nested').first().clone().show();
var timestamp = new Date();
timestamp = timestamp.valueOf();
nestedItem.find('input, select').each(function(){
var input = $(this);
input.attr('id', input.attr('id').replace(/([_\[])\d+([\]_])/,'$1'+timestamp+'$2'));
input.attr('name', input.attr('name').replace(/([_\[])\d+([\]_])/,'$1'+timestamp+'$2'));
if(input.attr('type') != 'radio')
input.val('');
});
nestedItem.find('label').each(function(){
var label = $(this);
label.attr('for', label.attr('for').replace(/([_\[])\d+([\]_])/,'$1'+timestamp+'$2'));
});
addLink.before(nestedItem);
}
function removeNestedItem() {
var destroyLink = $(this);
var nestedItem = destroyLink.closest('.nested');
var inputNameExample = nestedItem.find('input').first().attr('name');
var idFieldName = inputNameExample.replace(/\[[^\]]*\]$/,'[id]');
if($("input[name='"+idFieldName+"']").length) {
var destroyFlagName = inputNameExample.replace(/\[[^\]]*\]$/,'[_destroy]')
var destroyFlag = $('<input/>').attr('name',destroyFlagName).attr('type','hidden').val('true');
$("input[name='"+idFieldName+"']").after(destroyFlag);
}
nestedItem.hide();
}
function activateTypeSelector(field_class, section_class) {
section_class = section_class || field_class+"_params"; // section_class can be deduced if not given
$('div.'+field_class+' input[name*='+field_class+'_type]').live('click', function(){
var chosen = $(this).val();
var wrapper = $(this).closest('.nested');
wrapper.find('div.chosen.'+section_class).removeClass('chosen');
wrapper.find('div.'+section_class+'.'+chosen).addClass('chosen');
});
}
function activateCheckboxHooks() {
// Hooks to hide/show content when a checkbox is clicked
$('input[type="checkbox"][data-hide-when-checked]').each(function(){
$(this).change(function(){
el = $($(this).data('hide-when-checked'));
$(this).attr('checked') ? el.hide() : el.show();
});
});
$('input[type="checkbox"][data-show-when-checked]').each(function(){
$(this).change(function(){
el = $($(this).data('show-when-checked'));
$(this).attr('checked') ? el.show() : el.hide();
});
});
}