/* .------------------------------. | Price calculator class | *------------------------------* Class: Price calculator Takes care of displaying and managing price calculator (Controller & View) Moreover, it sends and receives JSON packages. Requires: - (needed by find_period_with_date) - - Author: Marko Ristin, Andreas Hermann Changelog: - 2007/01/27, mristin, initial version - 2007/07/30, ahermann, improved user interface, code refactoring - 2007/08/13, ahermann, reformatted comments for automatic documentation - 2007/08/28, ahermann, added dependency accommodation<->transfer - 2007/11/19, ahermann, added accommodation weeks, accommodation inscription fee, school material fee */ /** * * @param {Object} a_school_demonstrator * @param {Object} prefetched_packages * @param {Int} country_id * @param {Int} city_id * @param {Int} school_id * @param {Date} today * @param {Object} url_fetch_obj */ function Price_calculator ( a_school_demonstrator, prefetched_packages, country_id, city_id, school_id, today, url_fetch_obj ) { /*extern dojo, gettext */ /*extern find_period_with_date, is_function, attach_hidden_field_to_form, xor, show_errors */ /*extern copy_an_object */ /*extern date_str_to_i18n_date, intersect_periods_of_owners, add_option_to_select_box, create_and_add_option_to_select_box */ /*extern a_money_exchange, a_cart, a_wait_cursor_manager */ /*extern Ware, Option */ /* Variable: url_fetch_obj URL for fetching objects */ this.url_fetch_obj = null; /* Properties: */ /* Variable: school_demonstrator Reference to the school_demonstrator */ this.school_demonstrator = a_school_demonstrator; this.country = null; this.city = null; this.school = null; this.course = null; this.accommodation_form = null; this.country_set = null; this.city_set = null; this.school_set = null; this.course_set = null; this.accommodation_form_set = null; this.course_price_set = null; this.accommodation_price_set = null; this.school_inscription_fee_set = null; this.school_transfer_set = null; this.school_material_fee_set = null; this.course_season = null; this.price_periods = null; this.course_weeks = null; this.transfer = null; this.accommodation_weeks = null; this.total_price = null; this.form = dojoWrapper.getById('id_cart_form'); /* Interface elements: */ this.country_select_box = dojoWrapper.getById('id_price_calculator_select_country'); this.city_select_box = dojoWrapper.getById('id_price_calculator_select_city'); this.school_select_box = dojoWrapper.getById('id_price_calculator_select_school'); this.course_select_box = dojoWrapper.getById('id_price_calculator_select_course'); this.accommodation_form_select_box = dojoWrapper.getById('id_price_calculator_select_accommodation_form'); this.transfer_select_box = dojoWrapper.getById('id_price_calculator_select_transfer'); this.course_season_select_box = dojoWrapper.getById('id_price_calculator_select_course_season'); this.course_weeks_select_box = dojoWrapper.getById('id_price_calculator_select_course_weeks'); this.accommodation_weeks_select_box = dojoWrapper.getById('id_price_calculator_select_accommodation_weeks'); this.price_period_span = dojoWrapper.getById('id_price_calculator_price_period_span'); this.price_period_number_span = dojoWrapper.getById('id_price_calculator_price_period_number_span'); this.locale_currency_select_box = dojoWrapper.getById('id_price_calculator_select_locale_currency'); this.add_to_cart_button = dojoWrapper.getById('id_price_calculator_button_add_to_cart'); this.book_button = dojoWrapper.getById('id_price_calculator_button_book'); /* Prices fields: */ this.span_course_price = dojoWrapper.getById('course_price_amount'); this.span_course_price_currency = dojoWrapper.getById('course_price_currency'); this.span_course_inscription_fee = dojoWrapper.getById('course_inscription_fee_amount'); // New for yalea this.span_course_inscription_fee_currency = dojoWrapper.getById('course_inscription_fee_currency'); this.span_course_inscription_fee_comment = dojoWrapper.getById('course_inscription_fee_comment'); this.span_accommodation_price = dojoWrapper.getById('accommodation_price_amount'); this.span_accommodation_price_currency = dojoWrapper.getById('accommodation_price_currency'); this.span_accommodation_inscription_fee = dojoWrapper.getById('accommodation_inscription_fee_amount'); this.span_accommodation_inscription_fee_comment = dojoWrapper.getById('accommodation_inscription_fee_comment'); this.accommodation_price_row = dojoWrapper.getById('accommodation_price_row'); this.span_transfer = dojoWrapper.getById('transfer_cost_amount'); this.span_transfer_currency = dojoWrapper.getById('transfer_cost_currency'); this.transfer_cost_row = dojoWrapper.getById('transfer_cost_row'); this.span_school_material_fee_amount = dojoWrapper.getById('school_material_fee_amount'); this.span_school_material_fee_currency = dojoWrapper.getById('school_material_fee_currency'); this.school_material_fee_row = dojoWrapper.getById('school_material_fee_row'); this.span_course_exam_fee_amount = dojoWrapper.getById('course_exam_fee_amount'); this.span_course_exam_fee_currency = dojoWrapper.getById('course_exam_fee_currency'); this.course_exam_fee_row = dojoWrapper.getById('course_exam_fee_row'); this.span_total_price = dojoWrapper.getById('total_price'); this.span_total_price_comment = dojoWrapper.getById('total_price_comment'); this.span_total_price_currency = dojoWrapper.getById('total_price_currency'); this.span_total_price_school_curr = dojoWrapper.getById('total_price_school_curr'); this.span_total_price_school_curr_comment = dojoWrapper.getById('total_price_school_curr_comment'); this.span_total_price_school_curr_currency = dojoWrapper.getById('total_price_school_curr_currency'); this.span_exchange_rate = dojoWrapper.getById('exchange_rate'); this.row_exchange_rate = dojoWrapper.getById('exchange_rate_row'); this.price_table = dojoWrapper.getById('id_price_calculator_price_table'); this.buttons_div = dojoWrapper.getById('id_price_calculator_buttons'); /** * Waiting dialog widget * Used for displaying a white overlay when the form is sent */ this.waiting_widget = dojoWrapper.getById('id_waiting_div'); /** * Step_num: defines the logic order of the select boxes */ this.country_select_box.step_num = 1; this.city_select_box.step_num = 2; this.school_select_box.step_num = 3; this.course_select_box.step_num = 4; this.accommodation_form_select_box.step_num = 5; this.transfer_select_box.step_num = 6; this.course_season_select_box.step_num = 7; this.course_weeks_select_box.step_num = 8; this.accommodation_weeks_select_box.step_num = 9; this.locale_currency_select_box.step_num = 10; /** * Variable: select_boxes * All select boxes in the form, the order is important! * Is used for marking the active select box depending * on the current step */ this.select_boxes = [ '', this.country_select_box, this.city_select_box, this.school_select_box, this.course_select_box, this.accommodation_form_select_box, this.transfer_select_box, this.course_season_select_box, this.course_weeks_select_box, this.accommodation_weeks_select_box, this.locale_currency_select_box ]; /* Variable: current_step the currently active step */ this.current_step = 1; /** * Corresponding set functions: * Used for setting selected index of the select box artificially; * * This function will be invoked: * base_object [ function_str ] ( select box value ) */ this.city_select_box.set_function = { base_object: this, function_str: 'set_city' }; this.school_select_box.set_function = { base_object: this, function_str: 'set_school' }; this.course_select_box.set_function = { base_object: this, function_str: 'set_course' }; this.accommodation_form_select_box.set_function = { base_object: this, function_str: 'set_accommodation_form' }; this.course_weeks_select_box.set_function = { base_object: this, function_str: 'set_course_weeks' }; this.accommodation_weeks_select_box.set_function = { base_object: this, function_str: 'set_accommodation_weeks' }; /** * Variable: today * Today's date: */ this.today = today; /** * Variable: void_accommodation_form * Option 'No accommodation form required' is inserted * as first option into each select box */ this.void_accommodation_form = { id: no_accommodation_required_value, name: no_accommodation_required_text }; /** * Variable: cached_responses * Hash array, as index serves the request string */ this.cached_responses = []; /** * Ajax Request URL */ this.url_fetch_obj = url_fetch_obj; /** * Variable: properties * Are set to null if the element is disabled */ this.country_select_box.properties = ['country']; this.city_select_box.properties = ['city', 'school_set']; this.school_select_box.properties = ['school', 'course_set', 'accommodation_form_set', 'school_transfer_set', 'school_inscription_fee_set']; this.course_select_box.properties = ['course']; this.accommodation_form_select_box.properties = ['accommodation_form']; this.transfer_select_box.properties = ['transfer']; this.course_season_select_box.properties = ['course_season', 'price_periods']; this.course_weeks_select_box.properties = ['course_weeks']; this.accommodation_weeks_select_box.properties = ['accommodation_weeks']; this.span_course_inscription_fee.properties = ['current_course_inscription_fee']; this.span_course_price.properties = ['current_course_price']; this.span_accommodation_price.properties = ['current_accommodation_price']; this.span_accommodation_inscription_fee.properties = ['current_accommodation_inscription_fee']; this.span_transfer.properties = ['current_transfer_cost']; this.span_total_price.properties = ['total_price']; /** * Variable: price_fields * These fields remain hidden/disabled if not * all select boxes have an option selected */ this.price_fields = [ this.span_course_inscription_fee, this.span_course_inscription_fee_comment, this.span_course_price, this.span_course_price_currency, this.span_accommodation_inscription_fee, this.span_accommodation_inscription_fee_comment, this.span_accommodation_price, this.span_accommodation_price_currency, this.span_transfer, this.span_transfer_currency, this.span_school_material_fee_amount, this.span_school_material_fee_currency, this.span_total_price, this.span_total_price_currency, /* this.span_total_price_comment, */ this.span_total_price_school_curr, this.span_total_price_school_curr_currency, /* this.span_total_price_school_curr_comment ,*/ this.exchange_rate_row, this.add_to_cart_button, this.book_button ]; /** * Select Box Children Elements: * User interface elements that are directly related, * and should be disabled when a new item is selected * * e.g. when a country is selected from the country select box * the city select box is disabled until the related cities are filled in */ this.country_select_box.children_elements = [this.city_select_box]; this.city_select_box.children_elements = [this.school_select_box]; this.school_select_box.children_elements = [this.course_select_box]; this.course_select_box.children_elements = [this.accommodation_form_select_box]; this.accommodation_form_select_box.children_elements = [this.transfer_select_box, this.course_season_select_box]; this.transfer_select_box.children_elements = []; this.course_season_select_box.children_elements = [this.course_weeks_select_box, this.accommodation_weeks_select_box]; this.course_weeks_select_box.children_elements = [this.accommodation_weeks_select_box]; this.accommodation_weeks_select_box.children_elements = []; this.locale_currency_select_box.children_elements = []; /* Function: get_course_prices Searches the course prices and returns a course price with from_date <= a_from_date and to_date > a_from_date. Returns: Float, course price Null, if no date is found */ this.get_course_prices = function ( a_from_date ) { var a_course_price_list = find_period_with_date( a_from_date, this.course_price_set ); return a_course_price_list; }; /* Function: get_accommodation_prices Searches all the accommodation prices and returns a accommodation price with from_date before or equal to a_from_date and to_date after a_from_date. If there is no such date, it returns null. Returns: Array, accommodation prices Null, if no date is found */ this.get_accommodation_prices = function ( a_from_date ) { var an_accommodation_price_list = find_period_with_date ( a_from_date, this.accommodation_price_set ); return an_accommodation_price_list; }; /* Function: get_week_price Searches a_price_list and returns the attribute of a_price_list for the corresponding week. */ this.get_week_price = function ( a_price_list, a_weeks ) { var field_prefix = 'week'; return a_price_list[ field_prefix + a_weeks ]; }; /* Function: get_max_weeks Searches all the properties of a_price_list and determines the longest week period. e.g: a_price_list.week24 !== undefined, returns 24 (even if a_price_list.week24 == null ) */ this.get_max_weeks = function ( a_price_list ) { var field_prefix = 'week'; var max_weeks = 0; var num_weeks = null; /* Go through all the properties: */ for ( var a_property in a_price_list ) { /* Ignore if it's a function: */ if ( is_function( a_price_list[a_property] ) ) { continue; } if ( a_property.substr(0, field_prefix.length) === field_prefix ) { num_weeks = a_property.substr(field_prefix.length, a_property.length - field_prefix.length); if ( Number(num_weeks) > max_weeks ) { max_weeks = Number(num_weeks); } } } return max_weeks; }; /* Function: set_active change the appearance of the select box to active */ this.set_active = function ( element_id ) { var element = dojoWrapper.getById(element_id); element.parentNode.className = 'price_calculator_active_element'; var active_image_id = 'id_price_calculator_' + element.name + '_active_img'; var inactive_image_id = 'id_price_calculator_' + element.name + '_inactive_img'; var active_image = dojoWrapper.getById(active_image_id); if (active_image !== null) { active_image.style.display = 'inline'; } var inactive_image = dojoWrapper.getById(inactive_image_id); if (inactive_image !== null) { inactive_image.style.display = 'none'; } }; /* Function: set_inactive change the appearance of the select box to inactive */ this.set_inactive = function ( element_id ) { var element = dojoWrapper.getById(element_id); element.parentNode.className = 'price_calculator_inactive_element'; var active_image_id = 'id_price_calculator_' + element.name + '_active_img'; var inactive_image_id = 'id_price_calculator_' + element.name + '_inactive_img'; var active_image = dojoWrapper.getById(active_image_id); if (active_image !== null) { active_image.style.display = 'none'; } var inactive_image = dojoWrapper.getById(inactive_image_id); if (inactive_image !== null) { inactive_image.style.display = 'inline'; } }; /* Function: update_active_step update the state of the GUI so that only the select_box is marked active which corresponds to the current internal state (step number) Parameters: next_step - Int, the next active step */ this.update_active_step = function (next_step) { this.current_step = next_step; if (this.current_step === null) { this.current_step = 1; } //this.current_step = 1; // check if the country is selected if (this.current_step === this.country_select_box.step_num && this.country) { this.current_step++; } // check if the city is selected if (this.current_step === this.city_select_box.step_num && this.city) { this.current_step++; } // check if a school is selected if (this.current_step === this.school_select_box.step_num && this.school) { this.current_step ++; } // check if a course is selected if (this.current_step === this.course_select_box.step_num && this.course) { this.current_step++; } // check if an accommodation form is selected if (this.current_step === this.accommodation_form_select_box.step_num) { if (this.accommodation_form) { this.current_step++; } else if (this.accommodation_form_set) { this.fill_accommodation_forms(this.accommodation_form_set); } this.transfer = null; } // check if transfer is selected if (this.current_step === this.transfer_select_box.step_num) { if (this.transfer == null) { /* Fill transfer */ if (!this.school_transfer_set || this.school_transfer_set.length == 0) { this.transfer = false; this.current_step++; } else if (this.school_transfer_set) { this.fill_transfer(); } } else { this.current_step++; } } // check if a course season (start) is selected if (this.current_step === this.course_season_select_box.step_num) { if (!this.course_season) { this.fill_seasons(); } if (this.course_season_tmp) { this.course_season = this.course_season_tmp; } if (this.course_season && this.course_price_set) { // update the price tables this.school_demonstrator.set_course_starting_date(this.course_season); this.current_step++; } } // check if the course weeks is selected if (this.current_step === this.course_weeks_select_box.step_num) { if (!this.course_weeks) { this.fill_course_weeks(this.course_season); } else { // TODO: re-enable yalea sequence (without accommodation weeks select box) /* if (a_money_exchange.locale_currency === null) { a_money_exchange.fill_currency_select_box(); } */ this.current_step++; } } // check if the accommodation weeks is selected if (this.current_step == this.accommodation_weeks_select_box.step_num) { if (!this.accommodation_weeks) { if (this.accommodation_form !== this.void_accommodation_form) { this.fill_accommodation_weeks(this.course_season); } else { this.accommodation_weeks = 0; this.current_step++; } } else { this.current_step++; } } // check if a locale currency is selected if (this.current_step === this.locale_currency_select_box.step_num) { if (!a_money_exchange.locale_currency) { if (a_money_exchange.locale_currency === null) { a_money_exchange.fill_currency_select_box(); } } else { this.calculate_prices(this); // show buttons this.buttons_div.style.display = ''; this.current_step++; } } if (!a_money_exchange.locale_currency) { // Hide buttons this.buttons_div.style.display = 'none'; } // update all select boxes to reflect the current state for (var i = 1; i < this.select_boxes.length; i++) { if (i === this.current_step) { this.enable_obj(this.select_boxes[i]); this.set_active(this.select_boxes[i]); } else { this.set_inactive(this.select_boxes[i]); } } }; /* Function: set_country sets the country, erases select boxes and fills them when the data is received. */ this.set_country = function ( a_country_id ) { /* Set the select box to point to the a_country_id: */ this.set_select_box ( this.country_select_box, a_country_id ); this.disable_obj_children ( this.country_select_box ); this.clear_properties ( this.country_select_box ); if ( a_country_id ) { /* Set country property of this instance: */ this.country = this.find_obj_with_id( a_country_id, this.country_set ); this.send_request( this.city_set_request(a_country_id), this, 'fill_cities' ); } // change the appearance of the select_box this.update_active_step(this.country_select_box.step_num); }; /* Function: set_city Sets the city, erases the affected select boxes and fills them up when the data is received. */ this.set_city = function ( a_city_id ) { /* Set the select box to point to the a_city_id: */ this.set_select_box ( this.city_select_box, a_city_id ); this.disable_obj_children ( this.city_select_box ); this.clear_properties ( this.city_select_box ); if ( a_city_id ) { /* Set city property of this instance: */ this.city = this.find_obj_with_id ( a_city_id, this.city_set ); this.send_request( this.school_set_request(a_city_id), this, 'fill_schools' ); } this.update_active_step(this.city_select_box.step_num); }; /* Function: set_school Sets the school variable, fetches school information. Fills accommodation forms and courses select boxes. */ this.set_school = function (school_id) { /* Set the select box to point to the a_school_id: */ this.set_select_box(this.school_select_box, school_id); this.disable_obj_children(this.school_select_box); this.clear_properties(this.school_select_box); if (school_id) { /* Reset previously used data */ this.school = null; this.accommodation_form_set = null; this.course_set = null; this.accommodation_price_set = null; this.course_price_set = null; this.school_transfer_set = null; this.school_inscription_fee_set = null; this.school_material_fee_set = null; /* Send request for the current school: */ this.send_school_request(school_id); /* Show the school in the school demonstrator: */ this.school_demonstrator.show_school(school_id); } this.update_active_step(this.school_select_box.step_num); }; /* Function: set_course Sets the course, sends a request for price lists */ this.set_course = function ( a_course_id ) { /* Set the select box to point to the a_course_id: */ this.set_select_box(this.course_select_box, a_course_id); this.disable_obj_children(this.course_select_box); this.clear_properties(this.course_select_box); if ( a_course_id ) { /* Set the course property of the instance: */ this.course = this.find_obj_with_id(a_course_id, this.course_set); /* Send request for course prices: */ this.course_price_set = null; var request = this.course_price_request(a_course_id); this.send_request(request, this, 'save_course_package'); } // do not update now, but just when the data is received }; /** * Saves a course package and updates the user interface * @param {Object} a_package */ this.save_course_package = function(a_package) { this.save_package(a_package); this.update_active_step(this.course_select_box.step_num); }; /* Function: set_accommodation_form Sets the accommodation form, sends a request for price lists */ this.set_accommodation_form = function ( an_accommodation_form_id ) { /* Set the select box to point to the an_accommodation_form_id: */ this.set_select_box(this.accommodation_form_select_box, an_accommodation_form_id); this.disable_obj_children(this.accommodation_form_select_box); this.clear_properties(this.accommodation_form_select_box); if (an_accommodation_form_id) { if (an_accommodation_form_id === this.void_accommodation_form.id) { /* No accommodation form required. */ this.accommodation_form = this.void_accommodation_form; this.accommodation_price_set = null; } else { /* Accommodation form required. */ this.accommodation_form = this.find_obj_with_id(an_accommodation_form_id, this.accommodation_form_set); /* Send request for accommodation prices: */ this.accommodation_price_set = null; var request = this.accommodation_price_request(an_accommodation_form_id); this.send_request(request, this, 'save_accommodation_package'); } } this.update_active_step(this.accommodation_form_select_box.step_num); }; /** * Saves an accommodation package and updates the user interface * @param {Object} a_package */ this.save_accommodation_package = function(a_package) { this.save_package(a_package); this.update_active_step(this.accommodation_form_select_box.step_num); }; /* Function: set_transfer Sets the transfer property of the instance and sets the transfer select box option to the option of the switch. This function is called by the html element and by internal code. */ this.set_transfer = function ( transfer_id ) { this.set_select_box( this.transfer_select_box, transfer_id ); this.disable_obj_children( this.transfer_select_box ); this.clear_properties( this.transfer_select_box ); this.transfer_price_set = null; this.enable_only_direct_obj_children(this.transfer_select_box); if (transfer_id > 0) { var a_transfer = this.find_obj_with_id(transfer_id, this.school_transfer_set); this.transfer = { id: a_transfer.id, name: gettext('Transfer')+': '+a_transfer.name }; // Send a request for transfer prices var request = this.transfer_price_request(transfer_id); this.send_request(request, this, 'save_transfer_package'); } else { this.transfer = { id: 0, name: gettext('Ohne Transfer') }; this.current_step++; } }; /** * Saves an transfer package and updates the user interface * @param {Object} a_package */ this.save_transfer_package = function(a_package) { this.save_package(a_package); this.update_active_step(this.transfer_select_box.step_num); }; /* Function: set_course_season sets course_season property of the instance and enables calculate price button. This function is called by the 'select' element */ this.set_course_season = function ( a_from_date ) { // Set the select box to point to the a_from_date this.set_select_box(this.course_season_select_box, a_from_date); // set the select box of the school demonstrator too var pricePeriodsSelectBox = dojoWrapper.getById('id_school_demonstrator_select_course_season'); if (pricePeriodsSelectBox !== null) { this.set_select_box(pricePeriodsSelectBox, a_from_date); } this.disable_obj_children(this.course_season_select_box); this.clear_properties(this.course_season_select_box); if (a_from_date) { this.course_season = a_from_date; } else { this.course_season = null; } this.update_active_step(this.course_season_select_box.step_num); }; /* Function: set_course_weeks sets course weeks and enables calculate button as well as transfer checkbox. a_course_weeks is just a number of the weeks the user would like to book. */ this.set_course_weeks = function ( a_course_weeks ) { this.set_select_box( this.course_weeks_select_box, a_course_weeks ); this.disable_obj_children( this.course_weeks_select_box ); this.clear_properties( this.course_weeks_select_box ); if (a_course_weeks) { this.course_weeks = Number(a_course_weeks); } else { this.course_weeks = null; } this.update_active_step(this.course_weeks_select_box.step_num); }; /* Function: set_accommodation_weeks sets accommodation weeks, enables calculation Parameters: accommodation_weeks - number of weeks */ this.set_accommodation_weeks = function(accommodation_weeks) { this.set_select_box(this.accommodation_weeks_select_box, accommodation_weeks); this.disable_obj_children(this.accommodation_weeks_select_box); this.clear_properties(this.accommodation_weeks_select_box); if (accommodation_weeks) { this.accommodation_weeks = Number(accommodation_weeks); } else { this.accommodation_weeks = null; } this.update_active_step(this.accommodation_weeks_select_box.step_num); }; /* Function: set_locale_currency Updates the current step and refreshes the GUI */ this.set_locale_currency = function ( a_locale_currency ) { if (a_locale_currency !== "") { a_money_exchange.set_locale_currency_with_abb( a_locale_currency ); this.update_active_step(this.locale_currency_select_box.step_num); /* Make the prices update when the currency changes (publisher/subscriber) */ a_money_exchange.sign_off_object_for_update(this, this.calculate_prices); a_money_exchange.sign_up_object_for_update(this, this.calculate_prices); /* Update price cells content according to locale currency: */ a_money_exchange.update_signed_up_objects(); } }; /* Function: calculate_prices Takes care of calculating all the prices and displaying them to the user. If there is data missing, it will hide the prices and disable buttons for the booking. */ this.calculate_prices = function ( a_self ) { if ( a_self.school && a_self.course && a_self.accommodation_form && a_self.transfer !== null && a_self.course_weeks && a_self.course_season ) { var school_currency_abb = a_money_exchange.find_currency_with_id( a_self.school.currency ).abbreviation; var school_currency_str = school_currency_abb.toUpperCase(); /* Course price: */ var course_price = 0; var course_price_list = a_self.get_course_prices(a_self.course_season); course_price = a_self.get_week_price(course_price_list, a_self.course_weeks); if (course_price) { // Course inscription fee (if available) var course_inscription_fee = 0; var an_inscription_fee = find_period_with_date(a_self.course_season, a_self.school_inscription_fee_set); if (an_inscription_fee) { course_inscription_fee = an_inscription_fee.fee; //course_price += course_inscription_fee; // New for yalea: //var inscription_fee_str = a_money_exchange.repr_amount_in(school_currency_abb, course_inscription_fee); var inscription_fee_str = a_money_exchange.amount_to_str(course_inscription_fee); // New for yalea: a_self.span_course_inscription_fee_currency.innerHTML = school_currency_str; a_self.span_course_inscription_fee_currency.style.display = ''; // New for yalea: //a_self.span_course_inscription_fee.innerHTML = ' ('+gettext('inkl.')+' '+inscription_fee_str+' '+gettext('Einschreibung')+')'; a_self.span_course_inscription_fee.innerHTML = inscription_fee_str; a_self.span_course_inscription_fee.style.display = ''; } else { a_self.span_course_inscription_fee.style.display = 'none'; } // Course exam fee (if available) var course_exam_fee = 0; var an_exam_fee = course_price_list.exam_fee; if (an_exam_fee && an_exam_fee > 0) { course_exam_fee = an_exam_fee; var exam_fee_str = a_money_exchange.amount_to_str(course_exam_fee); a_self.span_course_exam_fee_amount.innerHTML = exam_fee_str; a_self.span_course_exam_fee_currency.innerHTML = school_currency_str; a_self.course_exam_fee_row.style.display = ''; } else { a_self.course_exam_fee_row.style.display = 'none'; } var a_course_price_str = a_money_exchange.amount_to_str(course_price); a_self.span_course_price_currency.innerHTML = school_currency_str; a_self.span_course_price_currency.style.display = ''; a_self.span_course_price.innerHTML = a_course_price_str; a_self.span_course_price.style.display = ''; } /* * Material fee */ var school_material_fee = 0; var material_fee_obj = find_period_with_date(a_self.course_season, a_self.school_material_fee_set); if (material_fee_obj) { school_material_fee = a_self.get_week_price(material_fee_obj, a_self.course_weeks); var material_fee_str = a_money_exchange.amount_to_str(school_material_fee); a_self.span_school_material_fee_amount.innerHTML = material_fee_str; a_self.span_school_material_fee_currency.innerHTML = school_currency_str; // New for yalea a_self.school_material_fee_row.style.display = 'none'; } else { a_self.school_material_fee_row.style.display = 'none'; } /* Accommodation price: */ var accommodation_price = 0; if (a_self.accommodation_form !== a_self.void_accommodation_form) { var accommodation_price_obj = a_self.get_accommodation_prices(a_self.course_season); var accommodation_price = a_self.get_week_price(accommodation_price_obj, a_self.accommodation_weeks); /* Check if the value is available - we want only to display prices only when every piece of information is available. */ if (accommodation_price !== null ) { /* * Add accommodation inscription fee (if available) */ if (accommodation_price_obj.inscription_fee && a_self.span_accommodation_inscription_fee) { // add the inscription fee to the price var accommodation_inscription_fee = accommodation_price_obj.inscription_fee; accommodation_price = accommodation_price + accommodation_inscription_fee; var locale_fee = a_money_exchange.repr_amount_in(school_currency_abb, accommodation_inscription_fee); var fee_str = '
(' + gettext('inkl.') + ' ' + locale_fee + ' ' + gettext('Einschreibung') + ')'; a_self.span_accommodation_inscription_fee.innerHTML = fee_str; a_self.span_accommodation_inscription_fee.style.display = ''; } else { a_self.span_accommodation_inscription_fee.style.display = 'none'; } var an_accommodation_price_str = a_money_exchange.amount_to_str(accommodation_price); a_self.span_accommodation_price_currency.innerHTML = school_currency_str; a_self.span_accommodation_price_currency.style.display = ''; a_self.span_accommodation_price.innerHTML = an_accommodation_price_str; a_self.span_accommodation_price.style.display = ''; } a_self.accommodation_price_row.style.display = ''; } else { a_self.accommodation_price_row.style.display = 'none'; } /* Transfer cost: */ var transfer_cost = 0; if (a_self.transfer && a_self.transfer.id > 0) { var transfer_price_obj = find_period_with_date(a_self.course_season, a_self.school_transfer_price_set); if (transfer_price_obj !== null) { transfer_cost = transfer_price_obj.cost; var transfer_cost_str = a_money_exchange.amount_to_str(transfer_cost); a_self.span_transfer_currency.innerHTML = school_currency_str; a_self.span_transfer_currency.style.display = ''; a_self.span_transfer.innerHTML = transfer_cost_str; a_self.span_transfer.style.display = ''; a_self.transfer_cost_row.style.display = ''; } } else { a_self.transfer_cost_row.style.display = 'none'; } /* Total price: */ a_self.total_price = course_price + accommodation_price + school_material_fee + course_exam_fee + course_inscription_fee + transfer_cost; /* Total price in school currency: */ if (a_self.total_price) { var a_total_price_in_school_curr_str = a_money_exchange.amount_to_str(a_self.total_price); a_self.span_total_price_school_curr_currency.innerHTML = school_currency_str; a_self.span_total_price_school_curr_currency.style.display = ''; a_self.span_total_price_school_curr.innerHTML = a_total_price_in_school_curr_str; a_self.span_total_price_school_curr.style.display = ''; } else { a_self.span_total_price_school_curr_currency.innerHTML = ''; } /* * Show exchange rate */ if (a_money_exchange.locale_currency && school_currency_abb !== a_money_exchange.locale_currency && a_self.row_exchange_rate != null) { var locale_abb = a_money_exchange.locale_currency.abbreviation; var locale_str = locale_abb.toUpperCase(); var rate = a_money_exchange.to_locale_currency(school_currency_abb, 1.0); var indexOfPoint = rate.toString().indexOf ( '.' ); var rateStringLength = rate.toString ().length; if ( indexOfPoint < 0 ) { // rate is an integer, have to add the decimal places rate = rate + '.00'; indexOfPoint = rate.toString().indexOf ( '.' ); rateStringLength = rate.toString ().length; } // The point must be at third position from the end, otherwise, we need to add zeros if ( indexOfPoint != ( rateStringLength - 3 ) ) { rate = rate + '0'; } a_self.span_exchange_rate.innerHTML = '1 '+school_currency_str+' = '+rate+' '+locale_str; a_self.row_exchange_rate.style.display = ''; } else { a_self.row_exchange_rate.style.display = 'none'; } /* Total price in local currency */ if (a_self.total_price && a_money_exchange.locale_currency) { var locale_currency_abb = a_money_exchange.locale_currency.abbreviation; var a_total_price_locale = a_money_exchange.to_locale_currency(school_currency_abb, a_self.total_price); var a_total_price_str = a_money_exchange.amount_to_str(a_total_price_locale); a_self.span_total_price_currency.innerHTML = locale_currency_abb.toUpperCase(); a_self.span_total_price_currency.style.display = ''; a_self.span_total_price.innerHTML = a_total_price_str; a_self.span_total_price.style.display = ''; a_self.span_total_price_comment.style.display = ''; } else { a_self.span_total_price_currency.innerHTML = ''; a_self.span_total_price.innerHTML = ''; } if (this.price_table) { this.price_table.style.display = ''; } } else { /* There is some data missing, disable all objects in price_cells_and_buttons: */ for ( var i = 0; i < a_self.price_fields.length; i ++ ) { a_self.disable_obj( a_self.price_fields[i] ); } if (this.price_table) { this.price_table.style.display = 'none'; } } }; this.saveWare = function() { var ware = { 'country_id': this.country.id, 'country_name': this.country.name, 'city_id': this.city.id, 'city_name': this.city.name, 'school_id': this.school.id, 'school_name': this.school.name, 'course_id': this.course.id, 'course_name': this.course.name, 'accommodation_form_id': this.accommodation_form.id, 'accommodation_form_name': this.accommodation_form.name, 'course_weeks': this.course_weeks, 'accommodation_weeks': this.accommodation_weeks, 'transfer_id': this.transfer.id, 'transfer_name': this.transfer.name, 'total_price': this.total_price, 'school_currency_abb': a_money_exchange.find_currency_with_id(this.school.currency).abbreviation.toUpperCase(), 'locale_currency_abb' : a_money_exchange.locale_currency.abbreviation.toUpperCase() }; return ware; }; /* Function: save_to_cart Propagates booking information to cart and makes proceed to booking button disapear ( it will apear in the cart ). */ this.save_to_cart = function() { var ware = this.saveWare(); a_cart.add_ware(ware); a_cart.save(); /* Make book button disappear: */ //this.book_button.setDisabled ( true ); //this.disable_obj(this.book_button); }; /* * */ this.submit = function(ware_pkg, locale_currency_abb) { attach_hidden_field_to_form(this.form, 'package', ware_pkg ); attach_hidden_field_to_form(this.form, 'locale_currency_abb', locale_currency_abb); if (this.waiting_widget) { dojoWrapper.setStyle ( this.waiting_widget, "display", "block" ); } this.form.submit(); }; /* Function: show_the_booking Redirects the user to the booking page */ this.show_the_booking = function() { var a_ware = this.saveWare(); var ware_pkg = dojoWrapper.serializeToJson([a_ware]); var locale_currency_abb = a_money_exchange.locale_currency.abbreviation; this.submit(ware_pkg, locale_currency_abb); }; /* Function: save_school_sets Manages saving the received school information. It saves the package and then checks if all important packages are received: - school, course_set, - accommodation_form_set - school_inscription_fee_set - school_transfer_set We should wait until we have gathered all of them. */ this.save_school_sets = function ( a_package ) { /* We only want to take some action if there is really a package, otherwise we do as if nothing happened: */ if (a_package) { /* Save it: */ this.save_package(a_package); if ( this.school && this.course_set && this.accommodation_form_set && this.school_transfer_set && this.school_inscription_fee_set && this.school_material_fee_set ) { /* We received all the important packages! */ /* Save some school info needed because school assistant skips country/city selection step */ if (!this.country) { this.country = { id: this.school.country_id, name: this.school.country_name }; } if (!this.city) { this.city = { id: this.school.city_id, name: this.school.city_name }; } /* Fill courses select box: */ this.fill_courses(this.course_set); /* Add void accommodation form to the accommodation form set: */ this.accommodation_form_set.unshift(this.void_accommodation_form); } /* * Do nothing until all data was received */ } }; /** * Function: save_package * The entry defined by important_part of the package will be saved in this instance. * * if property is not null or undefined, an error will be raised. * * @param {Object} a_package */ this.save_package = function ( a_package ) { if ( !a_package ) { show_errors( ['Price calculator: There is no package specified.'] ); } else if ( !a_package.important_part || a_package.important_part === '' ) { //alert( typeof( a_package ) ); show_errors( [ 'Price calculator: Important part of the package is not specified.' ] ); } else { var important_property = a_package.important_part; this[ important_property ] = a_package[ important_property ]; } }; /* Function: set_select_box Set the active item of a select box Parameters: a_select_box - Select box element a_value - String, option to select */ this.set_select_box = function ( a_select_box, a_value ) { if ( a_select_box != a_value ) { for ( var i = 0; i < a_select_box.options.length; i ++ ) { // intentionally allow comparison between int and string! if ( a_value == a_select_box.options[i].value ) { a_select_box.selectedIndex = i; break; } } } }; /* ------------------------- User interface functions: ------------------------- */ /* Function: hide_price_period_span Hides the price period select box and arranges the layout. */ this.hide_price_period_span = function () { /* change the src for "course weeks" */ var course_weeks_active_image = dojoWrapper.getById('id_price_calculator_' + this.course_weeks_select_box.name + '_active_img'); var course_weeks_inactive_image = dojoWrapper.getById('id_price_calculator_' + this.course_weeks_select_box.name + '_inactive_img'); var locale_currency_active_image = dojoWrapper.getById('id_price_calculator_' + this.locale_currency_select_box.name + '_active_img'); var locale_currency_inactive_image = dojoWrapper.getById('id_price_calculator_' + this.locale_currency_select_box.name + '_inactive_img'); var num4_active_image = dojoWrapper.getById('id_price_calculator_num_4_active_img'); var num4_inactive_image = dojoWrapper.getById('id_price_calculator_num_4_inactive_img'); var num5_active_image = dojoWrapper.getById('id_price_calculator_num_5_active_img'); var num5_inactive_image = dojoWrapper.getById('id_price_calculator_num_5_inactive_img'); /* change the path to number 4 for "course weeks" */ if (course_weeks_active_image && course_weeks_inactive_image) { course_weeks_active_image.src = num4_active_image.src; course_weeks_inactive_image.src = num4_inactive_image.src; } /* change the path to number 5 for "local currency" */ if (locale_currency_active_image && locale_currency_inactive_image) { locale_currency_active_image.src = num5_active_image.src; locale_currency_inactive_image.src = num5_inactive_image.src; } /* Hide price period span: */ this.disable_obj(this.price_period_span); this.disable_obj(this.price_period_number_span); }; /* Function: show_price_period_span Shows the price period select box and arranges the layout. */ this.show_price_period_span = function () { /* change the src for "course weeks" */ var course_weeks_active_image = dojoWrapper.getById('id_price_calculator_' + this.course_weeks_select_box.name + '_active_img'); var course_weeks_inactive_image = dojoWrapper.getById('id_price_calculator_' + this.course_weeks_select_box.name + '_inactive_img'); var locale_currency_active_image = dojoWrapper.getById('id_price_calculator_' + this.locale_currency_select_box.name + '_active_img'); var locale_currency_inactive_image = dojoWrapper.getById('id_price_calculator_' + this.locale_currency_select_box.name + '_inactive_img'); var num5_active_image = dojoWrapper.getById('id_price_calculator_num_5_active_img'); var num5_inactive_image = dojoWrapper.getById('id_price_calculator_num_5_inactive_img'); var num6_active_image = dojoWrapper.getById('id_price_calculator_num_6_active_img'); var num6_inactive_image = dojoWrapper.getById('id_price_calculator_num_6_inactive_img'); /* change the path to number 5 for "course weeks" */ if (course_weeks_active_image && course_weeks_inactive_image) { course_weeks_active_image.src = num5_active_image.src; course_weeks_inactive_image.src = num5_inactive_image.src; } /* change the path to number 6 for "local currency" */ if (locale_currency_active_image && locale_currency_inactive_image) { locale_currency_active_image.src = num6_active_image.src; locale_currency_inactive_image.src = num6_inactive_image.src; } /* Show price period span: */ this.enable_obj(this.price_period_span); this.enable_obj(this.price_period_number_span); }; /* Function: fill_countries Fills the select box with countries received from the server. Moreover, it sets country_set variable of this instance. */ this.fill_countries = function ( a_package ) { this.country_set = a_package.country_set; var please_choose_a_country_option = new Option(gettext('Bitte wähle ein Land:'), ''); this.fill_select_box(a_package.country_set, this.country_select_box, 'id', 'name', [please_choose_a_country_option]); }; /* Function: fill_cities fills the select box with cities received from the server. Sets city_set of the current istance. */ this.fill_cities = function ( a_package ) { this.city_set = a_package.city_set; var please_choose_a_city_option = new Option( gettext ( 'Bitte wähle eine Stadt:' ), ''); this.fill_select_box ( this.city_set, this.city_select_box, 'id', 'name', [ please_choose_a_city_option ], true /* set_if_only_one_option */ ); }; /* Function: fill_schools fills the select box with schools received from the server. */ this.fill_schools = function ( a_package ) { this.school_set = a_package.school_set; var please_choose_a_school_option = new Option( gettext ( 'Bitte wähle eine Schule:' ), '' ); this.fill_select_box ( a_package.school_set, this.school_select_box, 'id', 'name', [ please_choose_a_school_option ], true /* set_if_only_one_option */ ); this.update_active_step(this.school_select_box.step_num); }; /* Function: fill_courses fills the select box with courses received from the server. */ this.fill_courses = function(a_course_set) { course_dict = a_course_set [ a_course_set.length - 1 ]; // clear options this.course_select_box.innerHTML = ''; // insert first option var option = new Option(gettext('Bitte wähle einen Kurs:'), ''); add_option_to_select_box(this.course_select_box, option); // insert entries // Make option groups for entries which have the same group name // 'id', 'name', 'type' var option_group; var prev_group_str = ""; for (var j = a_course_set.length - 2; j >= 0; j--) { var group_str = course_dict [ a_course_set[j].type ]; if (group_str != prev_group_str) { option_group = document.createElement('optgroup'); option_group.setAttribute('label', group_str); this.course_select_box.appendChild(option_group); prev_group_str = group_str; } var element_str = a_course_set[j].name; option = document.createElement("option"); option.appendChild(document.createTextNode(element_str)); option.value = a_course_set[j].id; option_group.appendChild(option); } // select if single option if (a_course_set.length === 1) { this.course_select_box.selectedIndex = 1; a_price_calculator.set_course(this.course_select_box.value); } // disable if zero courses available if (a_course_set.length === 0) { this.course_select_box.innerHTML = ''; option = new Option( gettext('Keine Kurse gefunden'), ''); add_option_to_select_box(this.course_select_box, option); this.course_select_box.disabled = true; } else { this.course_select_box.disabled = false; } this.update_active_step(this.course_select_box.step_num); }; /* Function: fill_accommodation_forms fills the select box with accommodation forms received from the server. */ this.fill_accommodation_forms = function ( an_accommodation_form_set ) { var please_choose_an_accommodation_option = new Option( gettext( 'Bitte wähle eine Unterkunft:'), '' ); this.fill_select_box ( an_accommodation_form_set, this.accommodation_form_select_box, 'id', 'name', [ please_choose_an_accommodation_option ], true /* set_if_only_one_option */ ); }; /* Function: fill_price_periods fills the select box with price periods received from the save_course_accommodation_form_prices function. */ this.fill_price_periods = function(a_price_periods_set) { // Get text representation of periods for ( var i = 0; i < a_price_periods_set.length; i ++ ) { var a_price_period = a_price_periods_set[i]; var from_date_text = date_str_to_i18n_date(a_price_period .from_date, 'd.My'); var to_date_text = date_str_to_i18n_date(a_price_period .to_date, 'd.My'); a_price_period.interval_text= from_date_text + ' - ' + to_date_text; } var preselectSinglePeriod = true; // preselect entry, if num(entries) == 1 this.fill_select_box( a_price_periods_set, this.course_season_select_box, 'from_date', 'interval_text', [ new Option(gettext('Dein Kurs ist am:'), '') ], preselectSinglePeriod); // fill the new seasons into school demonstrator this.school_demonstrator.fill_seasons(a_price_periods_set); }; /* Function: fill_course_weeks finds out which weeks are available in the course price list and fills course weeks select box with options. */ this.fill_course_weeks = function ( a_from_date ) { var weeks_available_set = []; /* Find the course price list: */ var current_course_price_list = this.get_course_prices( a_from_date ); /* Have we found a suitable course price? */ if ( current_course_price_list ) { /* Now find which weeks are available: */ var max_weeks = this.get_max_weeks ( current_course_price_list ); var weeks_available = []; /* Check weeks from 1 to 24: */ for ( var i = 1; i < max_weeks+1; i ++ ) { if ( this.get_week_price(/* price list*/ current_course_price_list, /* how many weeks */ i) ) { /* There is an entry for i number of weeks! */ weeks_available.push( i ); } } /* Make set out of them to suit the fill_select_box: */ weeks_available_set = []; for ( i = 0; i < weeks_available.length; i++ ) { var week_entry = {}; week_entry.value = weeks_available[i]; week_entry.text = weeks_available[i] + ' '; if ( weeks_available[i] === 1 ) { week_entry.text += gettext ( 'Woche' ); } else { week_entry.text += gettext ( 'Wochen' ); } weeks_available_set.push( week_entry ); } } /* Fill the weeks available: */ var please_choose_course_weeks_option = new Option( gettext('Kurs - Wie viele Wochen?'), ''); this.fill_select_box ( weeks_available_set, this.course_weeks_select_box, 'value', 'text', [ please_choose_course_weeks_option ], true /* set_if_only_one_option */ ); }; /** * Function: fill_accommodation_weeks * Finds available week numbers in the course price list * and fills course weeks select box. * Condition: max(accommodation_weeks) <= course_weeks * @param {Date} a_from_date */ this.fill_accommodation_weeks = function(a_from_date) { var weeksSet = []; /* Find the course price list: */ var accommodationPrices = this.get_accommodation_prices(a_from_date); /* Have we found a suitable course price? */ if (accommodationPrices) { /* Now find which weeks are available: */ var maxWeeks = this.get_max_weeks(accommodationPrices); // ensure max(accommodation_weeks) <= current_course_weeks if (maxWeeks > this.course_weeks) { maxWeeks = this.course_weeks; } /* Check weeks from 1 to 24: */ var weeksAvailable = []; for (var i = 1; i < maxWeeks+1; i ++) { if ( this.get_week_price(/* price list*/ accommodationPrices, /* how many weeks */ i) ) { /* There is an entry for i number of weeks! */ weeksAvailable.push(i); } } /* Create a set for the select_box: */ for ( i = 0; i < weeksAvailable.length; i++ ) { var entry = {}; entry.value = weeksAvailable[i]; entry.text = weeksAvailable[i] + ' '; if (weeksAvailable[i] === 1 ) { entry.text += gettext('Woche'); } else { entry.text += gettext('Wochen'); } weeksSet.push(entry); } } var firstOption = new Option( gettext('Unterkunft - Wie viele Wochen?'), ''); var selectIfSingleOption = true; this.fill_select_box( weeksSet, this.accommodation_weeks_select_box, 'value', 'text', [ firstOption ], selectIfSingleOption ); }; /* Function: fill_transfer Fills the transfer requested select box. */ this.fill_transfer = function(transfer_set) { this.transfer_select_box.options.length = 0; // transfer is only bookable if an accommodation is booked too var accommodation_booked = (this.accommodation_form !== this.void_accommodation_form); if (accommodation_booked && this.school_transfer_set.length > 0) { var firstOption = new Option( gettext('Wähle Transfer:'), ''); var options = []; for (var j=0; j 0) { intersectionSets.push(this.school_transfer_price_set); } // Add accommodation price set if an accommodation form is selected if (this.accommodation_form !== this.void_accommodation_form) { intersectionSets.push(this.accommodation_price_set); } /* * Check whether there exist different price periods for * course prices, inscription fees, transfer or accommodations */ var ignorePast = true; /* ignore periods with to_date before today */ this.price_periods = intersect_periods_of_owners(intersectionSets, ignorePast, this.today); this.fill_price_periods(this.price_periods); // If only one interval available, preselect this one if (this.price_periods.length > 1) { this.course_season_tmp = null; } else if (this.price_periods.length === 1) { this.course_season_tmp = this.price_periods[0].from_date; } } }; /* Function: fill_select_box his function fills the select box with set received from the server. Parameters: a_set - option set a_select_box - select box element value_attribute - specifies which attribute to use as value for an option. caption_attribute - specifies which attribute to use as caption. please_choose_options_array - All this options are inserted at the beginning. (optional), elements are directly inserted into the DOM, please supply copies if you insert the same elements in other locations set_if_only_one_option - If true and there is only one option, it will be automatically set. OnChange event will be called. */ this.fill_select_box = function ( a_set, a_select_box, value_attribute, caption_attribute, please_choose_options_array, set_if_only_one_option ) { var i = 0; var j = 0; var option = null; // Disable object, enable it later, if needed //this.disable_obj ( a_select_box ); if (a_set.length) { // Clear all existing options a_select_box.options.length = 0; if (please_choose_options_array) { // Insert 'please choose' options for (i = 0; i < please_choose_options_array.length; i++ ) { option = please_choose_options_array[i]; add_option_to_select_box(a_select_box, option); } } // Insert entries for (j = 0; j < a_set.length; j ++ ) { create_and_add_option_to_select_box( a_select_box, a_set[j][caption_attribute], a_set[j][value_attribute]); } /* Check if we have only one option and if we would like to set it: */ if (set_if_only_one_option && a_set.length === 1) { // The option with index 0 is a 'please choose' var an_index_to_set = 0; if (please_choose_options_array) { an_index_to_set = please_choose_options_array .length; } a_select_box.selectedIndex = an_index_to_set; if (a_select_box.set_function) { var base_object = a_select_box.set_function.base_object; var function_str = a_select_box.set_function.function_str; base_object[function_str]( a_select_box.value ); } this.set_inactive(a_select_box); } // Enable the select box this.enable_obj(a_select_box); } }; /* Function: fill_cell enables the given cell and fills it with content given in 'a_text' */ this.fill_cell = function ( a_cell, a_text ) { a_cell.innerHTML = a_text; this.enable_obj(a_cell); }; /* Function: enable_obj - If an_obj has a setDisabled function, it will be prefered. - If an_obj is a select box, it enables it. - If it is a span, it makes it visible. - If it is a table row, it makes it visible. - If it is a table cell, it makes it visible. - If it is a button, it enables it. - If it is a checkbox, it enables it. */ this.enable_obj = function ( an_obj ) { /* If an_obj has a setDisabled function, it will be prefered. If an_obj is a select box, it enables it. If it is a span, it makes it visible. If it is a table row, it makes it visible. If it is a table cell, it makes it visible. If it is a button, it enables it. If it is a checkbox, it enables it. */ if ( an_obj.setDisabled ) { an_obj.setDisabled ( false ); } else if ( an_obj.nodeName === 'SELECT' ) { an_obj.disabled = false; } else if ( an_obj.nodeName === 'SPAN' ) { an_obj.style.display = ''; } else if ( an_obj.nodeName === 'TR' ) { an_obj.style.display = ''; } else if ( an_obj.nodeName === 'TD' ) { an_obj.style.display = ''; } else if ( an_obj.nodeName === 'INPUT' ) { if ( an_obj.type === 'button' ) { an_obj.disabled = false; } else if ( an_obj.type === 'checkbox' ) { an_obj.disabled = false; } } if (an_obj.nodeName === 'A') { an_obj.style.display = ''; } }; /* Function: enable_only_direct_obj_children enables all select boxes specified in children_select property of a_select_box. */ this.enable_only_direct_obj_children = function ( an_obj ) { var i = 0; if ( an_obj.children_elements !== undefined ) { for (i = 0; i < an_obj.children_elements.length; i ++ ) { this.enable_obj ( an_obj.children_elements [ i ] ); } } }; /* Function: disable_obj. Disables an object - If it has a setDisabled function, it will be prefered. - If an_obj is a select box, it disables it. - If it is a span, it makes it invisible. - If it is a table row, it makes it invisible. - If it is a table cell, it makes it invisible. - If it is a button, it disables it. - If it is a checkbox, it disables it and sets it to off. - If exists, a corresponding property will be set to null. */ this.disable_obj = function ( an_obj ) { if (an_obj == null) { return; // dont do anything } if ( an_obj.setDisabled ) { an_obj.setDisabled ( true ); } else if ( an_obj.nodeName === 'SELECT' ) { var optionText = null; switch (an_obj.id) { case "id_price_calculator_select_course": optionText = gettext('Kurs'); break; case "id_price_calculator_select_accommodation_form": optionText = gettext("Unterkunftsform"); break; case "id_price_calculator_select_transfer": optionText = gettext("Transfer"); break; case "id_price_calculator_select_course_season": optionText = gettext("Saison"); break; case "id_price_calculator_select_course_weeks": optionText = gettext("Kursdauer"); break; } an_obj.innerHTML = ''; an_obj.disabled = true; this.set_inactive(an_obj); } else if ( an_obj.nodeName === 'SPAN' ) { an_obj.style.display = 'none'; } else if ( an_obj.nodeName === 'TR' ) { an_obj.style.display = 'none'; } else if ( an_obj.nodeName === 'TD' ) { an_obj.style.display = 'none'; } else if ( an_obj.nodeName === 'INPUT' ) { if ( an_obj.type === 'button' ) { an_obj.disabled = true; } else if ( an_obj.type === 'checkbox' ) { an_obj.checked = false; an_obj.disabled = true; } } else if (an_obj.nodeName === 'A') { an_obj.style.display = 'none'; } /* Set all corresponding properties to null: */ this.clear_properties ( an_obj ); }; /* Function: disable_obj_children Traverses all children recursevly and disables them. Omit_this_one instructs the function to omit the given select box. */ this.disable_obj_children = function ( an_obj ) { if (an_obj == null) { return; // don't do anything } if ( an_obj.children_elements !== undefined ) { /* Proceed recursevly: */ var i = 0; for (i = 0; i < an_obj.children_elements.length; i ++ ) { this.disable_obj(an_obj.children_elements[i]); this.disable_obj_children(an_obj.children_elements[i]); } } }; /* Function: clear_properties Sets all corresponding properties to null. */ this.clear_properties = function( an_obj ) { var i = 0; var property = null; if (an_obj.properties) { for (i = 0; i < an_obj.properties.length; i ++ ) { property = an_obj.properties[i]; this[property] = null; } } }; /** * Searches the array for an object with object.id = an_id * @param {Object} an_id * @param {Object} an_array * @return Object with id == an_id, Null if no object is found */ this.find_obj_with_id = function ( an_id, an_array ) { var result = null; var i = 0; for (i = 0; i < an_array.length; i ++ ) { if ( an_array[i].id == an_id ) { result = an_array[i]; break; } } return result; }; /* --------------------------- Request /receive functions: --------------------------- */ /* POST Request templates: obj_id - Int, object identifier app_name - String, django application name model_name - String, django model name children_set_name - String, django relation name fetch_only_these_fields - JSON String, array of model fields */ this.city_set_request = function( country_id ) { var request = { obj_id: country_id, app_name: 'destinations', model_name: 'Country', children_set_name: 'city_set', fetch_only_these_fields: dojoWrapper.serializeToJson(['id', 'name']) }; return request; }; this.school_set_request = function( school_id ) { var request = { obj_id: school_id, app_name: 'destinations', model_name: 'City', children_set_name: 'school_set', fetch_only_these_fields: dojoWrapper.serializeToJson(['id', 'name']) }; return request; }; this.school_content_request = function (school_id) { var request = { obj_id: school_id, app_name: 'db_models', model_name: 'School', children_set_name: '', /* we want the school, not a children set!*/ fetch_only_these_fields: dojoWrapper.serializeToJson(['id', 'name', 'currency', 'transfer_availability']) }; return request; }; this.course_set_request = function (school_id) { var request = { obj_id: school_id, app_name: 'db_models', model_name: 'School', children_set_name: 'course_set', fetch_only_these_fields: dojoWrapper.serializeToJson([ 'id', 'name', 'type' ]) }; return request; }; this.accommodation_set_request = function (school_id) { var request = { obj_id: school_id, app_name: 'db_models', model_name: 'School', children_set_name: 'accommodation_form_set', fetch_only_these_fields: dojoWrapper.serializeToJson([ 'id', 'name' ]) }; return request; }; this.inscription_fee_set_request = function (school_id) { var inscription_fee_set_request = { obj_id: school_id, app_name: 'db_models', model_name: 'School', children_set_name: 'school_inscription_fee_set', fetch_only_these_fields: dojoWrapper.serializeToJson([ 'id', 'from_date', 'to_date', 'fee' ]) }; return inscription_fee_set_request; }; this.transfer_set_request = function (school_id) { var request = { obj_id: school_id, app_name: 'db_models', model_name: 'School', children_set_name: 'school_transfer_set', fetch_only_these_fields: dojoWrapper.serializeToJson([ 'id', 'name', 'description' ]) }; return request; }; this.transfer_price_request = function (transfer_id) { var request = { obj_id: transfer_id, app_name: 'db_models', model_name: 'School_transfer', children_set_name: 'school_transfer_price_set', fetch_only_these_fields: dojoWrapper.serializeToJson([ 'id', 'from_date', 'to_date', 'cost']) }; return request; }; this.course_price_request = function (course_id) { var request = { obj_id: course_id, app_name: 'db_models', model_name: 'Course', children_set_name: 'course_price_set', fetch_only_these_fields: dojoWrapper.serializeToJson([ ]) /* all fields are interesting!*/ }; return request; }; this.accommodation_price_request = function (accommodation_form_id) { var request = { obj_id: accommodation_form_id, app_name: 'db_models', model_name: 'Accommodation_form', children_set_name: 'accommodation_price_set', fetch_only_these_fields: dojoWrapper.serializeToJson([ ]) /* all fields are interesting!*/ }; return request; }; this.material_fee_request = function (school_id) { var request = { obj_id: school_id, app_name: 'db_models', model_name: 'School', children_set_name: 'school_material_fee_set', fetch_only_these_fields: dojoWrapper.serializeToJson([ ]) /* all fields are interesting!*/ }; return request; }; /** * Function: send_school_request * Sends a request for school information for the given school * * @param {Int} a_school_id School identifier */ this.send_school_request = function ( a_school_id ) { /* Set values that we are sending requests for to null */ this.school = null; this.course_set = null; this.accommodation_form_set = null; this.school_inscription_fee_set = null; this.school_transfer_set = null; /* Send request for the school: */ this.send_request( this.school_content_request(a_school_id), this, 'save_school_sets'); /* Get courses and accommodation forms: */ this.send_request( this.course_set_request(a_school_id), this, 'save_school_sets'); this.send_request( this.accommodation_set_request(a_school_id), this, 'save_school_sets'); /* Get additional fees and costs */ this.send_request( this.inscription_fee_set_request(a_school_id), this, 'save_school_sets'); this.send_request( this.transfer_set_request(a_school_id), this, 'save_school_sets'); this.send_request( this.material_fee_request(a_school_id), this, 'save_school_sets'); }; /** * Function: send_request_for * Sends a request for a given object. * * When response arrives, it will call a_func with ( type, data ) arguments. * * If package is already available, it will just forward it to this.receive_response. * * @param {Object} request * @param {Object} a_self * @param {Object} save_func_str */ this.send_request = function ( request, a_self, save_func_str ) { /* Let the user know we are doing something: */ a_wait_cursor_manager.push_pending_job_signal(); // New for yalea var request_content_str = dojoWrapper.serializeToJson ( request ); /* Do we have a cached response? */ if (this.cached_responses[request_content_str]) { var a_cached_response = this.cached_responses[request_content_str]; var data = copy_an_object(a_cached_response); this.receive_response(data, a_self, save_func_str); } /* We have to request it from server: */ else { /* We have to request the package: */ /* we have to make receive_response somehow global, because handle function refers to it: */ var receive_response = this.receive_response; var cached_responses = this.cached_responses; var handle_errors = this.handle_transmit_errors; /* Send a request: */ var agent = function(aData, aArgs) { receive_response(aData, a_self, save_func_str, cached_responses, request_content_str); } dojoWrapper.ajaxRequestPost(this.url_fetch_obj, request, agent); } }; /** * Function: receive_response * Callback function for ajax requests * Decodes the JSON string and invokes the function passed in parameters * Caches the response if no errors occurred * * @param {Object} data Received data * @param {Object} a_self Reference to current object * @param {String} a_func_str Function that should be called * @param {Hashtable} cached_responses Cache * @param {String} a_request_content_str Request */ this.receive_response = function ( data, a_self, a_func_str, cached_responses, a_request_content_str ) { /* Let the user know we are finished: */ a_wait_cursor_manager.pop_pending_job_signal(); /* Unpack the package: Just check if it's already an object */ var a_package = null; if (data.errors !== undefined) { a_package = data; } else { if ( typeof ( data ) == "string" ) { a_package = dojoWrapper.evalFromJson( data ); } else if ( typeof ( data ) == "object" ) { a_package = data; } else { console.error ( "price_calculator_class.receive_response (): data format not recogniyed" + data); } } /* Check for errors */ if ( a_package.errors != undefined && a_package.errors != null && a_package.errors != '' ) { show_errors(a_package.errors); } else { // Cache the response only if no error occurred if (a_request_content_str && cached_responses ) { cached_responses[a_request_content_str] = data; } // Call the function if ( !a_self[a_func_str] ) { show_errors( ['Function: ' + a_func_str + ' does not exist.' ] ); } else { a_self[a_func_str](a_package); } } }; /** * Function: handle_transmit_errors * Callback function for ajax request errors * * @param {Object} type * @param {Object} error */ this.handle_transmit_errors = function ( type, error ) { a_wait_cursor_manager.pop_pending_job_signal(); //document.body.style.cursor = 'default'; show_errors([error]); }; /** * Saves a json object as string into cache * @param {Object} request Request Content * @param {Object} data Reply package */ this.save_to_cache = function(request, data) { var request_str = dojoWrapper.serializeToJson(request); this.cached_responses[request_str] = data; }; /** * Function: init * Initializes class variables */ this.init = function () { /* We've already prefetched some packages: */ this.fill_countries(prefetched_packages.country_set); /* initialize the first step */ this.update_active_step(1); if (country_id) { this.save_to_cache(this.city_set_request(country_id), prefetched_packages.city_set); // select predefined country if (this.country_set) { this.set_country(country_id); } } if (city_id && country_id) { this.save_to_cache(this.school_set_request(city_id), prefetched_packages.school_set); // Select predefined city if (this.city_set) { this.set_city(city_id); } } if (school_id) { //this.save_to_cache(this.inscription_fee_set_request(school_id), prefetched_packages.inscription_fee); //this.save_to_cache(this.transfer_set_request(school_id), prefetched_packages.school_set); // Select predefined school if (this.school_set) { this.set_school(school_id); } } }; this.init(); }