/*-- Forms --*/

    (function($){
        $.fn.forms = function(options){
            if(!this.length) return;

            var settings = $.extend({
                'summarypage': true,
                'multipage': true,
                'progress_steps': true,
                'error_value': false,
                'infobox': '.info',
                'scrolltop': '#content'
            }, options);

            return this.each(function(){
                var form = this;
                if(settings.error_value)
                    $(form).attr('autocomplete', 'off');
                // Multiple inputs
                $.fn.forms.multiInput(form);
                // Multipage
                $.fn.forms.multipage(settings, form);
                // Update contactinfo
                $.fn.forms.updateReceiver(form);
                // Error in value
                $.fn.forms.valueErrorMsg(settings, form);
                // Dependence
                $.fn.forms.dependence(settings, form);
                // Live validation on blur
                $.fn.forms.validcheck(settings, form, 'live');
                // Validate on submit
                $(form).submit(function(){
                    setTimeout(function(){ $('.error :input:enabled:first', form).focus(); }, 300);
                    var valid = $.fn.forms.validcheck(settings, form);
                    if(valid) $.fn.forms.confirm(form, settings);
                    return false;
                });
            });
        }

        // validate form
        $.fn.forms.valid = function(settings, el, check){
            var valid = true,
                error_msg = '';
            switch(el.type){
                case 'radio':
                    // radio validation
                    valid = false;
                    error_msg = 'Treffen Sie mindestens eine Auswahl!';
                    $('input[name='+el.name+']').each(function(){
                        if($(this).is(':checked')){
                            error_msg = '';
                            valid = true;
                        }
                    });
                    break;
                case 'checkbox':
                    // checkbox validation
                    var siblings = $(el).siblings('.group').andSelf();
                    if(siblings.length > 1){
                        $(el).parents('.entry').find('.group:last').addClass('last');
                        if (check == 'live' && $(el).hasClass('last') ||
                            check == 'live' && !$(el).hasClass('last') && $(el).parents('.entry').hasClass('error') ||
                            check != 'live'){
                            if(!$(siblings).is(':checked')){
                                error_msg = error_msg_checkbox;
                                valid = false;
                            }
                        }
                    }
                    else{
                        if(!$(el).is(':checked')){
                            error_msg = error_msg_checkbox;
                            valid = false;
                        }
                    }
                    break;
                default:
                    // normal validation
                    if(el.value == '' || el.value == error_msg_default){
                        error_msg = error_msg_default;
                        valid = false;
                    }
                    // e-mail validation
                    else if($(el).hasClass('email')){
                        var regExp = /^[a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
                        if(!el.value.match(regExp)){
                            error_msg = error_msg_email;
                            valid = false;
                        }
                    }
                    // number validation
                    else if($(el).hasClass('number')){
                        if(el.value != Math.round(el.value)){
                            error_msg = error_msg_number;
                            valid = false;
                        }
                    }
            }
            // error message
            if(valid){
                $('.error_msg', $(el).parents('.entry')).remove();
                $(el).parents('.entry').removeClass('error');
            }
            else {
                // custom error message
                if(custom_required_text[el.id])
                    error_msg = custom_required_text[el.id];
                // insert error message
                if(!$(el).parents('.entry').hasClass('error')){
                    var error_msg_box = $('<p>').addClass('error_msg').text(error_msg);
                    switch(el.type){
                        case 'radio':
                            error_msg_box.insertBefore($('input[name='+el.name+']:first'));
                            break;
                        case 'checkbox':
                            if($(el).hasClass('group'))
                                error_msg_box.insertBefore($(el).parents('.entry').find('.group:first'));
                            else
                                error_msg_box.insertBefore($(el));
                            break;
                        default:
                            if(settings.error_value && el.type != 'select-one' && $(el).is(':visible')){
                                $(el).data('value', $(el).val());
                                $(el).addClass('error_value');
                                $(el).val(error_msg);
                            }
                            else if($(el).siblings('.datepicker').length)
                                error_msg_box.insertAfter($(el).siblings('.datepicker'));
                            else
                                error_msg_box.insertAfter($(el));
                    }
                }
                else
                    $('.error_msg .text', $(el).parents('.entry')).text(error_msg);
                $(el).parents('.entry').addClass('error');
            }
        }

        // live, multipage or normal validation check
        $.fn.forms.validcheck = function(settings, form, check){
            var toValidate = new Array();
            switch(check){
                case 'live':
                    $('.required', form).blur(function(){
                        toValidate.push(this);
                        setTimeout(function(){
                            if(toValidate.length > 0){
                                if($(toValidate[0]).hasClass('required')) { // Some "required" classes might have been removed in the meantime (see dependencies)
                                    $.fn.forms.valid(settings, toValidate[0], 'live');
                                }
                                toValidate.shift();
                            }
                        }, 300);
                    });
                    break;
                default:
                    var required = (check == 'multipage') ? $('.section:visible .required', form) : $('.required', form);
                    required.each(function(){ $.fn.forms.valid(settings, this); });
            }
            return ($('.error', form).length || $('.error_value:visible', form).length) ? false : true;
        }

        // Error in value
        $.fn.forms.valueErrorMsg = function(settings, form){
            if(!settings.error_value)
                return;
            $('.required', form).focus(function(){
                if($(this).hasClass('error_value')){
                    $(this).val($(this).data('value')).data('value', '').removeClass('error_value');
                    $(this).parents('.error').removeClass('error');
                }
            });
        }

        // Get input value
        $.fn.forms.value = function(el){
            var value = '';
            if($(el).is('select'))
                value = $(':selected', el).text();
            else if($(el).is('input[type=checkbox]') && $(el).is(':checked'))
                value = yes;
            else if($(el).is('input[type=checkbox]') && !$(el).is(':checked'))
                value = no;
            else
                value = $(el).val();
            return value;
        }

        // Dependence
        $.fn.forms.dependence = function(settings, form){
            // Check radio
            $('input[type=radio]', form).click(function(){
                var el = this;
                $('input[name='+el.name+']').each(function(){
                    if($(this).is(':checked') && $(this).hasClass('dependence'))
                        addRequired(this);
                    else if(!$(this).is(':checked') && $(this).hasClass('dependence'))
                        removeRequired(this);
                });
                $.fn.forms.validcheck(settings, form, 'live');
            });
            // Check checkbox, textarea and input[type=text]
            $('.dependence', form).not('input[type=radio]').blur(function(){
                var el = this;
                switch(el.type){
                    case 'checkbox':
                        alert("not available at the moment");
                        break;
                    default:
                        (el.value.length) ? addRequired(el) : removeRequired(el);
                }
                $.fn.forms.validcheck(settings, form, 'live');
            });
            // Add required
            function addRequired(el){
                $('.depends_on_' + el.id).each(function(){
                    $(this).addClass('required');
                    var label = 'label[for='+this.id+']';
                    if(!$(label).find('em').length){
                        $(label).append(
                            $('<em>').text(' *')
                        );
                    }
                });
            }
            // Remove required
            function removeRequired(el){
                $('.depends_on_' + el.id).each(function(){
                    $(this).removeClass('required');
                    $(this).unbind();
                    $(this).parents('.entry').removeClass('error');
                    $('.error_msg', $(this).parents('.entry')).remove();
                    $('label[for='+this.id+'] em').remove();
                });
            }
        }

        // Create multipage, summarypage and progress bar
        $.fn.forms.multipage = function(settings, form){
            if(!settings.multipage)
                return;
            // Style pimps
            $('.section', form).css('margin', 0);
            // generate the progress bar and steps
            if(settings.progress_steps){
                var progress_steps = $('<h2>').addClass('progress_steps');
                progress_steps.appendTo($(settings.infobox));
            }
            var progress_bar = $('<ol>').addClass('progress_bar');
            $('.section_title', form).each(function(){
                $('<li>').text($(this).text()).appendTo(progress_bar);
            })
            if(settings.summarypage){
                $('.section:last', form).after(
                    summary_section = $('<div>').addClass('section summary_section')
                );
                $('<li>').text(summary_title).appendTo(progress_bar);
            }
            progress_bar.appendTo($(settings.infobox));
            // show only first section
            $('.section', form).show().not(':first').hide();
            // the last button
            $('<button type=button>').attr({ 'accesskey': 'b', 'name': 'back' }).html('<span>' + back + '</span>').click(function(){
                $('.section:visible', form).hide().prev().show();
                $(':input:enabled:first', form).focus();
                updateWizzard(form);
                // Jump to top of the form
                $('html, body').scrollTop($(settings.scrolltop).offset().top-10);
                // Hide required text on summary page
                (summary_section.is(':visible')) ? $('.required_text', settings.infobox).hide() : $('.required_text', settings.infobox).show();
                return false;
            }).insertBefore('button[name=send]', form).hide();
            // the next button
            $('<button type=button>').attr({ 'accesskey': 'n', 'name': 'next' }).html('<span>' + next + '</span>').click(function(){
                $.fn.forms.validcheck(settings, form, 'multipage');
                if(!$('.error:visible', form).length && !$('.error_value:visible', form).length){
                    $('.section:visible', form).hide().next().show();
                    $('.section:visible :input:enabled:first', form).focus();
                    updateWizzard(form);
                    // Generate summary
                    generateSummary(form);
                    // Jump to top of the form
                    $('html, body').scrollTop($(settings.scrolltop).offset().top-10);
                    // Hide required text on summary page
                    (summary_section.is(':visible')) ? $('.required_text', settings.infobox).hide() : $('.required_text', settings.infobox).show();
                }
                else{
                    if(!settings.error_value)
                        $('.error :input:enabled:first', form).focus();
                }
                return false;
            }).insertBefore('button[name=send]', form).hide();
            updateWizzard(form);

            // should be run in each formfield change handles progress bar navigation and buttons
            function updateWizzard(form){
                // update button next
                var button_back = $('button[name=back]', form);
                ($('.section:first:visible', form).is(':visible')) ? button_back.hide() : button_back.show();
                // update button last
                var button_next = $('button[name=next]', form);
                ($('.section:last', form).is(':visible')) ? button_next.hide() : button_next.show();
                // update button submit
                var button_submit = $('button[name=send]', form);
                (!$('.section:last', form).is(':visible')) ? button_submit.attr({ 'disabled': 'true' }).hide() : button_submit.attr({ 'disabled': '' }).show();
                // update progress bar
                $('li.active', progress_bar).removeClass('active');
                $('li:contains("'+$('.section:visible .section_title', form).text()+'")', progress_bar).addClass('active done');
                $('li', progress_bar).each(function(index){
                    var title = $(this).text();
                    if(!$(this).children('a').length && $(this).hasClass('done')){
                        $(this).wrapInner(
                            $('<a>').attr({ 'rel': index, 'href': '#', 'title': title })
                        );
                    }
                });
                $('a', progress_bar).unbind('click').bind('click', function(){
                    $('.section:visible', form).hide();
                    $('.section:eq('+this.rel+')', form).show();
                    $(':input:visible:enabled:first', form).focus();
                    updateWizzard(form);
                    return false;
                });
                // Update progress steps
                if(settings.progress_steps)
                    $(progress_steps).html(progress_step.replace('{x}', $('li.active', progress_bar).prevAll().length+1).replace('{y}', $('li', progress_bar).length));
            }
            // Generate summary table
            function generateSummary(form){
                if(settings.summarypage && $('.section:last', form).is(':visible')){
                    $('.summary_section', form).empty().append(
                        $('<h2>').addClass('section_title').attr('title', 'summary_title').text(summary_title)
                    );
                    $('.section', form).not(':last').each(function(){
                        var section_title = $(this).children('.section_title').text();
                        $('<div>').addClass('zms_table').append(
                            $('<table>').addClass('summary').append(
                                $('<caption>').html(section_title),
                                tbody = $('<tbody>')
                            )
                        ).appendTo(summary_section);
                        $('label', $(this)).each(function(){
                            var me = $(this).parents('.multi_entry');
                            if(me.length){
                                if($(this).hasClass('hideme')){
                                    $(tbody).append(
                                        $('<tr>').append(
                                            $('<td>').attr('colspan', 2).addClass('multi_summary').append(
                                                subtable = $('<div>').addClass('zms_table').append(
                                                    $('<table>').append(
                                                        $('<thead>').append($('<tr>')), $('<tbody>')
                                                    )
                                                )
                                            )
                                        )
                                    );
                                    $('.entry:first label', me).each(function(){
                                        $('thead tr', subtable).append($('<th>').text($(this).text().replace(' *', '')));
                                    });
                                    $('.entry', me).each(function(){
                                        var row = $('<tr>');
                                        $(':input', this).each(function(){
                                            row.append($('<td>').text($.fn.forms.value(this)));
                                        });
                                        $('tbody', subtable).append(row);
                                    });
                                }
                            }
                            else {
                                $(tbody).append(
                                    $('<tr>').append(
                                        $('<th>').text($(this).text().replace(' *', '')),
                                        $('<td>').text($.fn.forms.value('#'+$(this).attr('for')))
                                    )
                                );
                            }
                        });
                    });
                }
            }
        }

        // Update contactinfos on change email receiver
        $.fn.forms.updateReceiver = function(form){
            $('#secure_target', form).change(function(){
                var contactID = $(':selected', $(this)).attr('id');
                if(contactID.length){
                    $('.locations_data .'+contactID+' span', form).each(function(){
                        $('input[name=to_'+$(this).attr('title')+']').val($(this).text());
                    });
                }
            });
        }

        //Multiple Inputs init
        $.fn.forms.multiInput = function(form){
            $('.multi_entry', form).each(function(i){
                var me = $(this);
                var meid = $('legend', this).attr('id')+'_multi';
                $(this).append(
                    $('<div>').html(
                        $('<a>').attr('href', '#').text(add_entry).click(function(){
                            count = '_'+$('.entry', me).length;
                            clonekrieger = $('.entry:first', me).clone();
                            $('label', clonekrieger).each(function(){
                                $(this).attr('for', $(this).attr('for')+count);
                            });
                            $(':input', clonekrieger).each(function(){ $(this).attr({ 'id': $(this).attr('id')+count, 'name': $(this).attr('name')+count }).val('') });
                            clonekrieger.insertBefore($(this).parent());
                            multiInputBinding(me);
                            return false;
                        })
                    ).addClass('add'),
                    $('<input>').attr({ 'type': 'hidden', 'name': meid, 'id': meid }),
                    $('<label>').attr('for', meid).html($('legend', this).html()).addClass('hideme')
                );
                multiInputBinding(me);
            });
            //Update on Unfocus
            function multiInputBinding(me){
                $(':input', me).unbind().blur(function(){
                    var v = ''
                    $('.entry :input', me).each(function(){
                        v += $('label[for='+$(this).attr('id')+']').text().replace(' *', '')+": ";
                        v += $.fn.forms.value(this)+"\n";
                    })
                    $('input[name='+$('legend', me).attr('id')+'_multi]', me).val(v);
                });
            }
        }

        // Send message and load confirm text with ajax
        $.fn.forms.confirm = function(form, settings){
            $('button[name=send] span', form).text(wait).attr('disabled', 'disabled');
            $.ajax({
                'type': 'GET',
                'url': $(form).attr('action'),
                'data': $(form).serialize(),
                'cache': false,
                'success': function(){
                    var confirm = $('<div>').addClass('confirmpage').load($('input[name=next]').val() + ' #confirm'),
                        print_link = $('<a>').attr({ 'href': '#', 'title': 'Zusammenfassung drucken' }).text('Zusammenfassung drucken'),
                        print_cointainer = $('<div>').addClass('print').append(print_link);
                    $(form).after(confirm).remove();
                    if(settings.summarypage){
                        confirm.after(
                            print_cointainer,
                            summary_section.clone()
                        );
                        print_link.click(function(){
                            window.print();
                            return false;
                        });
                    }
                    $('html, body').scrollTop($(settings.scrolltop).offset().top-10);
                }
            });
        }
    })(jQuery);


/*-- search -- */

    function init_search() {
        var search_form = $('#search');
        if( search_form.length ) {
            search_form.find('#fld_search').focus(function () {
                if($(this).attr('defaultValue') == $(this).attr('value')) $(this).attr('value', '');
            })
            search_form.find('#fld_search').blur(function() {
                if( $(this).attr('value') == '' ) $(this).attr('value', search_value);
            })
        }
    }

    $(function() {
        init_search();
    });

/*-- filter/sort selection --*/

    // function for the special objects: Veranstaltungen, Presse, ...

    function init_selection() {
        var form_selections_obj = document.getElementById('form_selections');
        if (form_selections_obj) {
            form_selections_obj.getElementsByTagName('button')[0].style.display = 'none';
            selects = form_selections_obj.getElementsByTagName('select');
            for(i=0; i<selects.length; i++) {
                selects[i].onchange = form_selections_change;
            }
        }
    }



function form_selections_change() {
        urlparm = '?';
        selects = document.getElementById('form_selections').getElementsByTagName('select');
        for(i=0; i<selects.length; i++) {
            urlparm += selects[i].name + '=' + selects[i].value;
            if (i!=selects.length-1) {
                urlparm += '&';
            }
        };
        location.href=urlparm;
    }

    $(function() {
        init_selection();
    });