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Online Gift Shopping Store

Online Gift Shopping Store. Presenter: Hsi-Ching Shih. Project Goals. Use AJAX approach to read XML file from Server to DOM. Implement commands to display information in DOM. Implement Order Forms for creating, editing , and deleting orders. Project Goals.

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Online Gift Shopping Store

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  1. Online Gift Shopping Store Presenter: Hsi-Ching Shih CS175 Project By Hsi-Ching Shih

  2. Project Goals • Use AJAX approach to read XML file from Server to DOM. • Implement commands to display information in DOM. • Implement Order Forms for creating, editing , and deleting orders. CS175 Project By Hsi-Ching Shih

  3. Project Goals • Implement validators for data fields in Order Forms. • Implement Form Calculator for total current order cost. CS175 Project By Hsi-Ching Shih

  4. Project Goals • Show commands display XML data in DOM into show_area section with innerHTML method. • After submission of Order Form, new record of order is created or original record of order is updated or deleted in XML DOM with DOM method. CS175 Project By Hsi-Ching Shih

  5. Read XML File from Server • AJAX send a XMLHttpRequest to read a XML file from the Server. When xhr.readyState == 4 and xhr.status == 200, the XML is ready in the DOM xhr.responseXML in the Client. CS175 Project By Hsi-Ching Shih

  6. Show Commands • When the Show Customers in DOM button is clicked, the customer information is extracted from DOM and converted into HTML format in the show_area section. • When the Show Catalog in DOM button is clicked, the catalog information is extracted and converted into HTML format and show_area section. CS175 Project By Hsi-Ching Shih

  7. Show Commands • When the Show Orders in DOM button is clicked, the order information is extracted from DOM and converted into HTML format in the show_area section. CS175 Project By Hsi-Ching Shih

  8. Create Order Form • First, select a customer in the pull-down list. • Click the New Form radio button • Enter an order id • Select 5 items with 5 quantities • Click Submit button. • After submission, a new order in created in DOM CS175 Project By Hsi-Ching Shih

  9. Edit Order Form • First, select a customer in the pull-down list. • Click the Edit Form radio button • Select an order from the pull-down list. • Select the items and enter the quantities. • Click Submit button. • After submission, this order is updated in DOM CS175 Project By Hsi-Ching Shih

  10. Delete Order Form • First, select a customer in the pull-down list. • Click the Delete Form radio button • Select an order from the pull-down list. • Click Submit button. • After submission, this order is deleted from DOM. CS175 Project By Hsi-Ching Shih

  11. Order Form Field Validators • New Order Id is qualified by regular expression = /^[O][R]\d{1,5}/ • Date is qualified by regular expression = /^(([0]?\d)(([1][0-2]))\/(([0-2]?\d)|([3][0-1]))\/\d{4}$/ CS149 Project By Hsi-Ching Shih

  12. Order Form Field Validators • Quantity is qualified by regular expression = /\d{1,5}/ CS149 Project By Hsi-Ching Shih

  13. Form Calculator • Subtotal cost and current order total cost are automatically calculated whenever there is a change on customer, order id, item, or quantity. CS149 Project By Hsi-Ching Shih

  14. Learned from this project • Create selection forms by using radio button or pull down. • Use regular expression to check input strings. • Block field input by using blur and focus. • Use AJAX approach to read XML file from Server into DOM. • Use JavaScript to convert DOM into HTML format with innerHTML method. CS175 Project By Hsi-Ching Shih

  15. Learned from this project • After submission of an order form, a new record is created or the old record of order is updated or deleted in the XML DOM with DOM method. CS175 Project By Hsi-Ching Shih

  16. Difficulties • Reading XML from Server to DOM can use AJAX approach; however, how can DOM be written into XML file in Server? I can not find any solution in the class, books, or web sites so that the Save XML File to Server function can not be implemented. CS149 Project By Hsi-Ching Shih

  17. Links To Run Codes • To run the online gift shopping store, please click on the following links: http://toolkit.cs.ohlone.edu/~gen105/project/gift_shop.html CS175 Project By Hsi-Ching Shih

  18. Links To Source Codes • To access source codes, please click the following links: http://toolkit.cs.ohlone.edu/~gen105/project/gift_shop_html.html http://toolkit.cs.ohlone.edu/~gen105/project/gift_shop_js.html http://toolkit.cs.ohlone.edu/~gen105/project/gift_shop.xml CS175 Project By Hsi-Ching Shih

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