Home » Eclipse Projects » Remote Application Platform (RAP) » Buttons not removed from Table
| Buttons not removed from Table [message #1060664] |
Mon, 27 May 2013 15:05  |
 Christian Orth
Messages: 1
Registered: May 2013 |
Junior Member |
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setup
the roject is mavenized; libs are RAP, eclipselink,slf4j,mysql-connector,junit
the following is used for rap:
<dependency>
<groupId>org.eclipse.rap</groupId>
<artifactId>org.eclipse.rap.rwt</artifactId>
<version>2.1.0-M2</version>
</dependency>
Problem:
I am using a Table. This table should only display 24 Items in 4 Columns.
I cant delete the Buttons in the Table!
public Table table;
private TableColumn tblclmnStellplatz;
private TableColumn tblclmnReserviert;
private TableColumn tblclmnVonWem;
private TableColumn tblclmnWofr;
i try to update the view by deleting all elements in that table.
private void updateTableView() {
// TODO remove bug
table.clearAll();
table.removeAll();
table.update();
table.redraw();
logge("number of items in table : " + table.getItemCount());
StoringPosition storingposition;
for (int position = testlab.getNumberOfStoringPositions(); position >= 1; position--) {
table.update();
storingposition = testlab.getStoringPosition(position);
TableItem tableitem = new TableItem(table, 0, 0);
tableitem.setText(0,
Integer.toString(storingposition.getPosition()));
if (storingposition.isReserved()) {
tableitem.setText(1, "yes");
String reservist = storingposition.getReservist();
tableitem.setText(2, reservist);
tableitem.setText(3, storingposition.getEndDate());
TableEditor te = new TableEditor(table);
te.minimumWidth = 50;
tableitem.setData(te);
Button b = new Button(table, 0);
b.addSelectionListener(deletebuttonlistener);
logge(" int to string sp.getPosition : "
+ Integer.toString(storingposition.getPosition()));
b.setData(position + "");
b.setText("del");
te.setEditor(b, tableitem, 4);
te.layout();
} else {
tableitem.setText(1, "no");
tableitem.setText(2, "");
tableitem.setText(3, "");
tableitem.setText(4, "");
}
table.update();
}
}
the Listener:
DeleteButtonListener implements SelectionListener
public void widgetSelected(SelectionEvent arg0) {
Button button;
button = (Button) arg0.getSource();
int position = Integer.parseInt((String) button
.getData());
button.setEnabled(false);
button.setVisible(false);
button.dispose();
mainComposite.table.remove(position);
mainComposite.deleteReservation(position);
mainComposite.redraw();
// Now a little chaos after trying all ideas :(
}
as you can see my idea is to remove all elements from the table and fill it with all 24 elements.
I tried clearAll and removeAll and i tried also removing by index. (remove(int index)
I also tried dispose for the Buttons ...
Thought after all Buttons are dereferenced they should vanish...
Am i misunderstanding Table and TableEditor or is this a bug in the Webclient?
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| Re: Buttons not removed from Table [message #1060818 is a reply to message #1060664] |
Tue, 28 May 2013 13:55  |
Ivan Furnadjiev
Messages: 2426
Registered: July 2009
Location: Sofia, Bulgaria |
Senior Member |
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Hi Christian,
I can't find any problem with button (editor) disposal. Tested with RAP
2.1 RC1. I've created a simple snippet that works form me:
....
public class SimpleEntryPoint extends AbstractEntryPoint {
private static final int COLUMN_NUM = 4;
@Override
public void createContents( Composite parent ) {
parent.setLayout( new FillLayout() );
final Table table = new Table( parent, SWT.NONE );
table.setHeaderVisible( true );
for( int i = 0; i < COLUMN_NUM; i++ ) {
TableColumn column = new TableColumn( table, SWT.NONE );
column.setText( "Column " + i );
column.setWidth( 100 );
}
Listener deleteListener = new Listener() {
@Override
public void handleEvent( Event event ) {
Button button = ( Button )event.widget;
TableEditor editor = ( TableEditor )button.getData();
editor.getItem().dispose();
editor.getEditor().dispose();
editor.dispose();
for( TableItem item : table.getItems() ) {
( ( TableEditor )item.getData() ).layout();
}
}
};
for( int i = 0; i < 20; i++ ) {
TableItem item = new TableItem( table, SWT.NONE );
for( int j = 0; j < COLUMN_NUM - 1; j++ ) {
item.setText( j, "Item " + i + "." + j );
}
TableEditor editor = new TableEditor( table );
editor.grabHorizontal = true;
editor.minimumWidth = 50;
Button deleteButton = new Button( table, SWT.NONE );
deleteButton.addListener( SWT.Selection, deleteListener );
deleteButton.setData( editor );
deleteButton.setText( "Delete" );
editor.setEditor( deleteButton, item, 3 );
item.setData( editor );
}
}
}
....
HTH,
Ivan
On 5/27/2013 6:15 PM, Christian Orth wrote:
> setup
> the roject is mavenized; libs are RAP,
> eclipselink,slf4j,mysql-connector,junit
> the following is used for rap:
>
>
> <dependency>
> <groupId>org.eclipse.rap</groupId>
> <artifactId>org.eclipse.rap.rwt</artifactId>
> <version>2.1.0-M2</version>
> </dependency>
>
>
> Problem:
> I am using a Table. This table should only display 24 Items in 4 Columns.
> I cant delete the Buttons in the Table!
>
>
> public Table table;
> private TableColumn tblclmnStellplatz;
> private TableColumn tblclmnReserviert;
> private TableColumn tblclmnVonWem;
> private TableColumn tblclmnWofr;
>
>
> i try to update the view by deleting all elements in that table.
>
>
> private void updateTableView() {
> // TODO remove bug
> table.clearAll();
> table.removeAll();
> table.update();
> table.redraw();
> logge("number of items in table : " + table.getItemCount());
> StoringPosition storingposition;
> for (int position = testlab.getNumberOfStoringPositions();
> position >= 1; position--) {
> table.update();
> storingposition = testlab.getStoringPosition(position);
> TableItem tableitem = new TableItem(table, 0, 0);
> tableitem.setText(0,
> Integer.toString(storingposition.getPosition()));
> if (storingposition.isReserved()) {
> tableitem.setText(1, "yes");
> String reservist = storingposition.getReservist();
> tableitem.setText(2, reservist);
> tableitem.setText(3, storingposition.getEndDate());
> TableEditor te = new TableEditor(table);
> te.minimumWidth = 50;
> tableitem.setData(te);
> Button b = new Button(table, 0);
> b.addSelectionListener(deletebuttonlistener);
> logge(" int to string sp.getPosition : "
> +
> Integer.toString(storingposition.getPosition()));
> b.setData(position + "");
> b.setText("del");
> te.setEditor(b, tableitem, 4);
> te.layout();
> } else {
> tableitem.setText(1, "no");
> tableitem.setText(2, "");
> tableitem.setText(3, "");
> tableitem.setText(4, "");
> }
> table.update();
> }
> }
>
> the Listener:
>
> DeleteButtonListener implements SelectionListener
> public void widgetSelected(SelectionEvent arg0) {
>
> Button button;
> button = (Button) arg0.getSource();
> int position = Integer.parseInt((String) button
> .getData());
> button.setEnabled(false);
> button.setVisible(false);
> button.dispose();
> mainComposite.table.remove(position);
> mainComposite.deleteReservation(position);
> mainComposite.redraw(); // Now a little chaos after trying all
> ideas :(
> }
>
>
> as you can see my idea is to remove all elements from the table and
> fill it with all 24 elements.
>
> I tried clearAll and removeAll and i tried also removing by index.
> (remove(int index)
> I also tried dispose for the Buttons ...
> Thought after all Buttons are dereferenced they should vanish...
>
> Am i misunderstanding Table and TableEditor or is this a bug in the
> Webclient?
>
--
Ivan Furnadjiev
Twitter: @EclipseRAP
Blog: http://eclipsesource.com/blogs/
Professional services for RAP and RCP?
http://eclipsesource.com/services/rap/
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