Page Comparison

The XdevComboBox is a combination of an input field, a button, and a drop-down list, from which the user can select a value. The drop-down list predominantly contains the values contained in a given column in the database table.

...

• Data container (model)

  • XdevBeanItemContainer - Standard data container. The allocation is set using the setContainerDataSource method.

    Code Block
    language java theme Confluence
    // Generates a new XdevBeanItemContainer 'productList' XdevBeanItemContainer<Product> productList = new XdevBeanItemContainer<Product>(Product.class);   // Sets the XdevBeanItemContainer comboBox.setContainerDataSource(productList);

    
    

  • XdevLazyEntityContainer - RapidClipse exclusively uses this when the property Entity > Auto query data is selected.

Examples:

• Add entries : - Manually add entries to the XdevComboBox.

  Code Block
  language java theme Confluence
  comboBox.addItem("Eintrag 1"); comboBox.addItem("Eintrag 2");

  Direct allocation of multiple entries.

  Code Block
  language java theme Confluence
  listSelect.addItems("Eintrag 1", "Eintrag 2", "Eintrag 3", "Eintrag 4");

  
  

• Selected object - Returns the selected object (entity) - Example: category entity.

  Code Block
  language java theme Confluence
  Category Category = comboBox.getSelectedItem();

  or

  Code Block
  language java theme Confluence
  Category Category = (Category)comboBox.getValue();

  
  

• Remove elements : Removes - Removes all the elements from the XdevComboBox.

  Code Block
  language java theme Confluence
  comboBox.removeAllItems();

  
  

• Select element - Automatic selection of an entry - Example: first entry.

  Code Block
  language java theme Eclipse
  Collection<?> itemIds = comboBox.getItemIds(); comboBox.setValue(((List<Category>)itemIds).get(0));

  
  

...