Java Code Examples for org.eclipse.swt.widgets.Control#dispose()

public void reloadColours() {
    for (Control ctrl : toolItem_ColourBar.getChildren()) {
        if (!(ctrl instanceof ToolSeparator)) ctrl.dispose();
    }

    List<GColour> colours = WorkbenchManager.getUserSettingState().getUserPalette();

    final int size = colours.size();
    for (int i = 0; i < size; i++) {
        addColorButton(toolItem_ColourBar, colours.get(i), i);
    }

    {
        NButton btn_Palette = new NButton(toolItem_ColourBar, Cocoa.getStyle());
        this.btn_Palette[0] = btn_Palette;
        btn_Palette.setToolTipText(I18n.E3D_More);
        btn_Palette.setImage(ResourceManager.getImage("icon16_colours.png")); //$NON-NLS-1$
    }

    toolItem_ColourBar.getParent().layout();
    toolItem_ColourBar.layout();
    toolItem_ColourBar.redraw();
}
 

/**
 *
 */
protected void refreshGrid() {
    if (gridPlaceHolder != null) {
        for (final Control child : gridPlaceHolder.getChildren()) {
            child.dispose();
        }
        createGrid(gridPlaceHolder);
        gridPlaceHolder.pack();
        gridPlaceHolder.layout(true);
        final Point size = gridPlaceHolder.getSize();
        size.x = size.x - 15;
        gridParentScrollable.setExpandHorizontal(true);
        gridParentScrollable.setExpandVertical(false);
        gridParentScrollable.setMinSize(size);
    }
}
 

/**
 * 刷新过滤器设置组件
 */
private void refresh() {
	filterNameTxt.setText("");
	andBtn.setSelection(true);
	orBtn.setSelection(false);
	btnIsTagged.setSelection(false);
	btnQT.setSelection(false);
	btnPT.setSelection(false);
	if (btnIsRemoveFromSrc != null) {
		btnIsRemoveFromSrc.setSelection(false);
	}
	for (Control ctl : conditionList) {
		if (!ctl.isDisposed()) {
			ctl.dispose();
		}
	}
	conditionList.clear();
	new DynaComposite(dynaComp, SWT.NONE);
	scroll.setMinSize(dynaComp.computeSize(SWT.DEFAULT, SWT.DEFAULT));
	dynaComp.layout();

}
 

/**
 * Sets the expanded state of the receiver.
 *
 * @param expanded
 *            the new expanded state
 *
 * @exception SWTException
 *                <ul>
 *                <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *                <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 *                </ul>
 */
public void setExpanded(final boolean expanded) {
	if (parent == null) { return; }
	// checkWidget();
	this.expanded = expanded;
	if (onExpandBlock != null) {
		if (expanded) {
			onExpandBlock.run();
			setHeight(control.computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
		} else {
			for (final Control c : control.getChildren()) {
				c.dispose();
			}
			if (control instanceof ScrolledComposite) {
				((ScrolledComposite) control).setContent(null);
			}
		}
	}
	parent.showItem(this);
}
 

private void disposePicker() {
	if (content != null) {
		if (picker != null) {
			picker.dispose();
			picker = null;
		}
		if (isDropDown()) {
			Control c = content;
			setContent(null);
			c.dispose();
			if (contentShell != null) {
				Display.getDefault().asyncExec(() -> {
					if (contentShell != null
							&& !contentShell.isDisposed()) {
						contentShell.dispose();
						contentShell = null;
					}
				});
			}
		}
	}
}
 

/**
 * 销毁除了“过滤器列表控件”之外的其它控件
 */
private void disposeChild() {
	for (Control ctl : this.getChildren()) {
		if (!"filterName".equals(ctl.getData()) && ctl != null && !ctl.isDisposed()) {
			ctl.dispose();
		}
	}
}
 

private void updateLegendArea() {
    for (Control c: fLegendArea.getChildren()) {
        c.dispose();
    }
    disposeLegendImages();
    if (fFullTraceHistogram.showTraces()) {
        Collection<ITmfTrace> traces = TmfTraceManager.getTraceSet(fTrace);
        fLegendImages = new Image[traces.size()];
        int traceIndex = 0;
        for (ITmfTrace trace : traces) {
            fLegendImages[traceIndex] = new Image(fLegendArea.getDisplay(), 16, 16);
            GC gc = new GC(fLegendImages[traceIndex]);
            gc.setBackground(fFullTraceHistogram.getTraceColor(traceIndex));
            gc.fillRectangle(0, 0, 15, 15);
            gc.setForeground(fLegendArea.getDisplay().getSystemColor(SWT.COLOR_BLACK));
            gc.drawRectangle(0, 0, 15, 15);
            gc.dispose();

            CLabel label = new CLabel(fLegendArea, SWT.NONE);
            label.setText(trace.getName());
            label.setImage(fLegendImages[traceIndex]);
            traceIndex++;
        }
    }
    fLegendArea.layout();
    fLegendArea.getParent().layout();
}
 

private void deactivateNode ()
{
    for ( final Control control : this.mainArea.getChildren () )
    {
        control.dispose ();
    }
    this.currentNode = null;
    this.currentPage = null;
}
 

private void showLogTypeOptions( int index ) {

    if ( index != previousLogTableIndex ) {

      getLogInfo( previousLogTableIndex );

      // clean the log options composite...
      //
      for ( Control control : wLogOptionsComposite.getChildren() ) {
        control.dispose();
      }

      previousLogTableIndex = index;

      LogTableInterface logTable = logTables.get( index );
      LogTableUserInterface logTableUserInterface = logTableUserInterfaces.get( index );

      if ( logTableUserInterface != null ) {
        logTableUserInterface.showLogTableOptions( wLogOptionsComposite, logTable );
      } else {
        if ( logTable instanceof JobLogTable ) {
          showJobLogTableOptions( (JobLogTable) logTable );
        } else if ( logTable instanceof ChannelLogTable ) {
          showChannelLogTableOptions( (ChannelLogTable) logTable );
        }
        if ( logTable instanceof JobEntryLogTable ) {
          showJobEntryLogTableOptions( (JobEntryLogTable) logTable );
        }
      }

      wLogOptionsComposite.layout( true, true );
      wLogComp.layout( true, true );
    }
  }
 

public void maximizeCoolbar() {
    for (final Control c : toolbarContainer.getChildren()) {
        c.dispose();
    }
    size = CoolbarSize.NORMAL;
    createToolbar(toolbarContainer, PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage());
    toolbarContainer.getParent().layout(true, true);
}
 

/**
 * Remove a filter from the header.
 *
 * @param filter
 *            the filter to remove
 */
public void removeFilter(ITmfFilter filter) {
    for (Control control : getChildren()) {
        if (filter.equals(control.getData())) {
            control.dispose();
            break;
        }
    }
    if (getChildren().length == 0) {
        fLayout.marginTop = 0;
        fLayout.marginBottom = 0;
    }
    getParent().layout(true, true);
}
 

public void removeAllLines() {
int size = removes.size() ;
for(Button remove : removes){
	remove.dispose() ;
}
removes.clear();
for(Control control : controls){
	control.dispose() ;
}
controls.clear();

layoutComposite();
for(int i = 0 ; i< size ; i++)
	lineRemoved(i);	
}
 

public static void dispose(Control c) {
	if (null != c && !c.isDisposed()) {
		c.dispose();
	}
}
 

/**
 * Dispose the content before a redraw
 */
private void disposePreviousContent() {
	for (final Control c : getChildren()) {
		c.dispose();
	}
}
 

/**
 * 编辑
 */
private void edit() {
	String[] filters = customFilterList.getSelection();
	if (filters.length > 0) {
		if (isChange()) {
			if (!MessageDialog.openConfirm(getShell(), "", Messages.getString("dialog.CustomFilterDialog.msg1"))) {
				return;
			}
		}
		String key = filters[0];
		filterNameTxt.setText(key);
		String link = XLFHandler.getCustomFilterAdditionMap().get(key);
		if (link.indexOf("and") != -1) {
			andBtn.setSelection(true);
			orBtn.setSelection(false);
		} else {
			andBtn.setSelection(false);
			orBtn.setSelection(true);
		}

		for (Control ctl : conditionList) {
			if (!ctl.isDisposed()) {
				ctl.dispose();
			}
		}
		conditionList.clear();
		ArrayList<String[]> tmpList = XLFHandler.getCustomFilterIndexMap().get(key);
		for (String[] tempIndex : tmpList) {
			String filterIndex = tempIndex[0];
			DynaComposite dyna = new DynaComposite(dynaComp, SWT.NONE);
			dyna.getFilterName().select(Integer.parseInt(filterIndex));
			dyna.getFilterName().notifyListeners(SWT.Selection, null);
			if ("0".equals(filterIndex) || "1".equals(filterIndex)) { // 关键字、批注
				dyna.getConditions().select(Integer.parseInt(tempIndex[1]));
				dyna.getValue().setText(tempIndex[2].replace("0x0020", " "));
				dyna.getValue().setForeground(black);
			} else if ("2".equals(filterIndex)) { // 属性
				dyna.getPropName().setText(tempIndex[1]);
				dyna.getPropValue().setText(tempIndex[2]);
				dyna.getPropName().setForeground(black);
				dyna.getPropValue().setForeground(black);
			}
		}
		scroll.setMinSize(dynaComp.computeSize(SWT.DEFAULT, SWT.DEFAULT));
		dynaComp.layout();
	} else {
		MessageDialog.openInformation(getShell(), "", Messages.getString("dialog.CustomFilterDialog.msg4"));
	}
}
 

private static void setEditValue(Control control, TableItem tableItem, Point xy, EditableTable editableTable) {
    editableTable.setData(xy, control);
    if (editableTable.validate()) {
        control.dispose();
    }
}
 

public void removeAllStrategyPanels()
{
	// remove all strategy panels
	for ( Control control : strategiesPanel.getChildren() )
		control.dispose();
}
 

private void removeAllChildrens(){
	for (Control c : getChildren()) {
		c.dispose();
		
	}
}
 

private void addDataGrid( boolean refresh ) {

    if ( refresh ) {
      // retain changes made in the dialog...
      //
      getMetaInfo( dataGridMeta );
    }

    if ( refresh ) {
      // Retain the data edited in the dialog...
      //
      getDataInfo( dataGridMeta );

      // Clear out the data composite and redraw it completely...
      //
      for ( Control control : wDataComp.getChildren() ) {
        control.dispose();
      }
    }

    ColumnInfo[] columns = new ColumnInfo[dataGridMeta.getFieldName().length];
    for ( int i = 0; i < columns.length; i++ ) {
      columns[i] = new ColumnInfo( dataGridMeta.getFieldName()[i], ColumnInfo.COLUMN_TYPE_TEXT, false, false );
    }
    List<List<String>> lines = dataGridMeta.getDataLines();
    wData = new TableView( transMeta, wDataComp, SWT.NONE, columns, lines.size(), lsMod, props );
    wData.setSortable( false );

    for ( int i = 0; i < lines.size(); i++ ) {
      List<String> line = lines.get( i );
      TableItem item = wData.table.getItem( i );

      for ( int f = 0; f < line.size(); f++ ) {
        item.setText( f + 1, Const.NVL( line.get( f ), "" ) );
      }
    }

    wData.setRowNums();
    wData.optWidth( true );

    FormData fdData = new FormData();
    fdData.left = new FormAttachment( 0, 0 );
    fdData.top = new FormAttachment( 0, 0 );
    fdData.right = new FormAttachment( 100, 0 );
    fdData.bottom = new FormAttachment( 100, 0 );
    wData.setLayoutData( fdData );

    wTabFolder.layout( true, true );

    wFields.nrNonEmpty();
    wFields.setTableViewModifyListener( new TableModifyListener() );

    wFields.setContentListener( modifyEvent -> wFields.nrNonEmpty() );
  }
 

private void edit( int rownr, int colnr, boolean selectText, char extra ) {
  selectionStart = -1;

  TableItem row = table.getItem( rownr );

  Control oldEditor = editor.getEditor();
  if ( oldEditor != null && !oldEditor.isDisposed() ) {
    try {
      oldEditor.dispose();
    } catch ( SWTException swte ) {
      // Eat "Widget Is Disposed Exception" : did you ever!!!
    }
  }

  activeTableItem = table.getItem( activeTableRow ); // just to make sure, clean
  // up afterwards.
  table.showItem( row );
  table.setSelection( new TableItem[]{ row } );

  if ( columns.length == 0 ) {
    return;
  }

  switch ( columns[colnr - 1].getType() ) {
    case ColumnInfo.COLUMN_TYPE_TEXT:
      isTextButton = false;
      editText( row, rownr, colnr, selectText, extra, columns[colnr - 1] );
      break;
    case ColumnInfo.COLUMN_TYPE_CCOMBO:
    case ColumnInfo.COLUMN_TYPE_FORMAT:
      editCombo( row, rownr, colnr );
      break;
    case ColumnInfo.COLUMN_TYPE_BUTTON:
      editButton( row, rownr, colnr );
      break;
    case ColumnInfo.COLUMN_TYPE_TEXT_BUTTON:
      if ( columns[colnr - 1].shouldRenderTextVarButton() ) {
        isTextButton = true;
      } else {
        isTextButton = false;
      }
      editText( row, rownr, colnr, selectText, extra, columns[colnr - 1] );
      break;
    default:
      break;
  }
}