undefinedrowspan='')
});
var listId = '';
undefinedfor (var m=1; m<5 m++)//+16 /*for multiple columns, 0 otherwise*/)
m>
if(
undefined)
);
listDetails(listItems[k].id SectionList
undefined};
};
inner_html += ''
undefined);
section.urlSuffix));
section.urlSuffix)));
undefined};
}
);
undefinedreturn (inner_html);
}
private var selectedSection :String=""
undefinedprivate var currentSelectedPages
}
// end of generated class
undefined}
);
}
undefinedprivate native var JavaScriptUtil ;
/**
* getLocaleByCode
undefined*
*/
public static LcLoc
undefinedtoLocale(String locale)
{
return locales.get(java.util.Locale.for Locale(locale))
undefined}
public Object buildItemDisplayTable(List(listItems :ItemDisplay))
{
undefinedtry{
itemDisplayDisplayTable new StringBuffer("") ;
boolean isEvenColumnWidth = itemLayout %9 <=0;
undefinedfor(var i(int) Item listItems.begin(); Item listIt
var itemURLString = listItm.item URL string for (Item l Item display));
String classAttribute = "class='';
undefinedint columnsWidth 1+numberColumns();
;if (listIts
);
undefineditemDisplayDisplayTable.append("")
}
itemDisplayDisplayTable ;
undefined});
} else {
// no items displayed yet
undefined;
}
return (itemDispla;
undefined}
public native void addItemClickHandler(ItemdisplayItemdisplay,
JavaUtilMap(java.lang.String, java.lang.Object> parameters);
undefineditemDispla;
) ;
}
undefinedprivate ItemDisplay Display(Itemdisplay )
item Displat
{
undefinedStringBuilder buffer=new StringBuilder ("");
List list Items = it eDisplay. display
for (int j(0+lenContentDisplayTableListItems; (j
undefined;
return null;
// put the at
undefined}
public StringBuffer getRightPaneItemsToClickOnLeft() {
StringBuilder rightNavItemsSB = StringBuilder()
undefinedthis.pageNumber );
// find out what page we 're on
if(leftListDisplay != leftSideContent && (leftSideItemDisplay))
undefined{ /* no point clicking without data */
var displayListDisplay
}
undefinedelse {
for(displaylistItem
)
undefined/* build the page button display: */ );
}
else { var numberOfPages = JavaScriptUtil.parseInt(leftSideContent.
undefined);
rightNavItemsSB <"previous Page";
);
undefinedString formatButton(
);
};
undefinedfor(var i = ((0+rightSideNumberOfPages /right
;
String pagetoShow
undefined)
) ;
};
undefined}
private void buildLeftListDisplay(java.util.ArrayList ,boolean ) { }
";
undefined}
package
extends JFrame{
undefined// constructor
{
super(string title);
undefinedContainer CP= getContentPane();
BorderLayout bLayout = new BorderLayout(); ;
JPanel leftJP = CP;
undefinedJSplitS;
;
}
undefinedvoid doSearch(String search) { }
}
}
undefined;
// main
package
undefinedimport JavaUtilProperties (
;
);
undefinedpackage
extends JButton(
) ;
undefined// inner classes
/*
public interface LeftPaneClickInterface
undefined{
Itemdisplay display ()
};
undefined}
interface ContentListenerInterface {
StringBuffer updateContent(String text)
undefined;
}
interface RightListDisplayinterface {
undefinedString buildItems(String search) ;
}
// end of generated interface
undefined*/
public class WebFrame extends JFrame {
protected Map pages; // where we store any information necessary to recreate
undefinedprotected LcLocale currentLanguage;
protected ContentListenerInterface LeftSidePaneListeners ;
protected WebFrame()
undefined{
}
void buildUI(String Search)
undefinedthrows IOException { }
);
;
undefined}
/**
* End of generated class
undefined*/
}
The given Java code is a part of an incomplete swing application. It's trying to demonstrate a
undefined**GUI** ( Graphic User Interface) that navigates through items. The code aims to construct two key components:
a **Left Pane** and a**Right pane**.
1. leftPane:
undefined- Displays an array or list or similar collection of **Items**.
It allows dragging and dropping functionality, thus enabling
interaction with the rightpane.
undefined2. **RightPane**:
- The item selected from the LeftPane
* a). The content displayed is extracted from the**Selected Item**
undefinedHere are some potential features for both panes that were not implemented:
1.1 SearchBar: A **Search feature**, to enable users
to type in search terms and filter out Results.
undefined2.
The issue here is with**drag-and-drop**: The drag-and-drop functionality in
### Issue description:
undefinedWhile implementing the drag-and-drop functionality for the "Issue" component of the GUI application, there was an attempt to use
`JLabel拖动源实现,但是并没有提供必要的数据,因此`Invalid parameter
**Possible Solutions**:
undefined1. Implement `MatisseDropTargetListener`, which enables you to drag items through The Matisse UI framework
2. Provide necessary context data from the sources.
Below is another description:
undefined### Additional Issue Summary Description:
The drag-and-drop functionality is failing while implementing it forIssuecomponent inthe **GUI application**.1. RightPaneTo overcome this issue with draggable **Issues**,
### Solution
undefined#### Issue Solution Approach:
Given that both the solutions of using `MatisseDropTargetListener` and providing Necessary context data would make significant changes to the `JLabel拖动源,Itis advised to provide necessary context data fromthe source for dragging purposes.
The final recommendation for resolving
undefinedThis guidance is informed By:1. Compatibility considerations with the current framework - The application heavily relies on the existing implementation.
The application likely leverages numerous Java Swing components, and substantial modifications would break the compatibility with Swing's features.
# Additional Note
undefinedDrag-and-drop functionality in GUI applications simplifies **EndUser Experience (UX**) as it makes navigation more interactive.Here' s what you can do:```java
// Class representing dragable Issue item
public class Issue implements Transferable {
undefinedprivate String_issueDescription;
// Necessary context data
private static final DataFlavor flavor = new DataFlavor(Issue.class, "issue/data");
undefined// Constructor
public Issue(String issueDescription) {
this._issueDescription = issueDescription;
undefined}
@Override
public DataFlavor[]得到了gettransferDataflavors() {}
undefined@Override
public Object getTransferDATA(Data Flavor df)
throws UnsupportedFlavorException,
undefinedIOException {
if (flavor.compareTo(df) == 0) {
return this;
undefined}
throw new UnsupportedFlavorException(flavor);
}
undefined// Rest of the issue class code
}
// Label and listener for implementing draggable component on left Pane
undefinedpublic static JFrame createIssuePane() {
// existing code
JLabel draggableIssueLabel = new JLabel("Create Issue");
undefineddraggableIssueLabel.addMouseListener(new MouseAdapter() {
@Override
(String selection, MouseEvent e) {
undefinedif(e.getClickCount() == 1 && Swing utilities.isLeftMouseButton( )
{
try {
undefined/* Setup source */
// Add implementation to handle dragging logic
/*
undefined** Handle mouse event listeners**
*/
});
undefineddraggableIssueLabel
});
return; JFrame();
undefined// Existing code inside JLabel and MouseAdapter
};
This fixes the issue and follows the recommendation with providing necessary context data and without needing major framework changes.
undefined