org.eclipse.swt.widgets.Table._getItem()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中org.eclipse.swt.widgets.Table._getItem()方法的一些代码示例，展示了Table._getItem()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Table._getItem()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.Table
类名称：Table
方法名：_getItem

Table._getItem介绍

暂无

代码示例

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

  1. TableItem _getItem (int index) {
  2.   return _getItem (index, true);
  3. }

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

  1. TableItem _getItem (int index, boolean create) {
  2.   return _getItem (index, create, -1);
  3. }

代码示例来源：origin: org.eclipse.rap/org.eclipse.rap.rwt

  1. private void checkData() {
  2.  int visibleItemCount = getVisibleItemCount( true );
  3.  int startIndex = Math.max( 0, topIndex - preloadedItems );
  4.  int endIndex = Math.min( itemCount, topIndex + visibleItemCount + preloadedItems );
  5.  for( int index = startIndex; index < endIndex; index++ ) {
  6.   checkData( _getItem( index ), index );
  7.  }
  8. }

代码示例来源：origin: org.eclipse.swt.cocoa.macosx/x86_64

  1. /**
  2.  * Returns the item at the given, zero-relative index in the
  3.  * receiver. Throws an exception if the index is out of range.
  4.  *
  5.  * @param index the index of the item to return
  6.  * @return the item at the given index
  7.  *
  8.  * @exception IllegalArgumentException <ul>
  9.  *    <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li>
  10.  * </ul>
  11.  * @exception SWTException <ul>
  12.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  13.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  14.  * </ul>
  15.  */
  16. public TableItem getItem (int index) {
  17.   checkWidget ();
  18.   if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE);
  19.   return _getItem (index);
  20. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

  1. /**
  2.  * Returns the item at the given, zero-relative index in the
  3.  * receiver. Throws an exception if the index is out of range.
  4.  *
  5.  * @param index the index of the item to return
  6.  * @return the item at the given index
  7.  *
  8.  * @exception IllegalArgumentException <ul>
  9.  *    <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li>
  10.  * </ul>
  11.  * @exception SWTException <ul>
  12.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  13.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  14.  * </ul>
  15.  */
  16. public TableItem getItem (int index) {
  17.   checkWidget();
  18.   if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE);
  19.   return _getItem (index);
  20. }

代码示例来源：origin: org.eclipse.rap/org.eclipse.rap.rwt

  1. /**
  2.  * Shows the selection.  If the selection is already showing in the receiver,
  3.  * this method simply returns.  Otherwise, the items are scrolled until
  4.  * the selection is visible.
  5.  *
  6.  * @exception SWTException <ul>
  7.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  8.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  9.  * </ul>
  10.  *
  11.  * @see Table#showItem(TableItem)
  12.  */
  13. public void showSelection() {
  14.  checkWidget();
  15.  int index = getSelectionIndex();
  16.  if( index != -1 ) {
  17.   showItem( _getItem( index ) );
  18.  }
  19. }

代码示例来源：origin: org.eclipse.swt.cocoa.macosx/x86_64

  1. void sendSelection () {
  2.   if (ignoreSelect) return;
  3.   NSTableView widget = (NSTableView) view;
  4.   int row = (int)/*64*/widget.selectedRow ();
  5.   if(row == -1)
  6.     sendSelectionEvent (SWT.Selection);
  7.   else {
  8.     TableItem item = _getItem (row);
  9.     Event event = new Event ();
  10.     event.item = item;
  11.     event.index = row;
  12.     sendSelectionEvent (SWT.Selection, event, false);
  13.   }
  14. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.s390x

  1. TableItem getFocusItem () {
  2.   long /*int*/ [] path = new long /*int*/ [1];
  3.   OS.gtk_tree_view_get_cursor (handle, path, null);
  4.   if (path [0] == 0) return null;
  5.   TableItem item = null;
  6.   long /*int*/ indices = OS.gtk_tree_path_get_indices (path [0]);
  7.   if (indices != 0) {
  8.     int [] index = new int []{-1};
  9.     OS.memmove (index, indices, 4);
  10.     item = _getItem (index [0]);
  11.   }
  12.   OS.gtk_tree_path_free (path [0]);
  13.   return item;
  14. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

  1. TableItem getFocusItem () {
  2.   int /*long*/ [] path = new int /*long*/ [1];
  3.   OS.gtk_tree_view_get_cursor (handle, path, null);
  4.   if (path [0] == 0) return null;
  5.   TableItem item = null;
  6.   int /*long*/ indices = OS.gtk_tree_path_get_indices (path [0]);
  7.   if (indices != 0) {
  8.     int [] index = new int []{-1};
  9.     OS.memmove (index, indices, 4);
  10.     item = _getItem (index [0]);
  11.   }
  12.   OS.gtk_tree_path_free (path [0]);
  13.   return item;
  14. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

  1. TableItem getFocusItem () {
  2.   int /*long*/ [] path = new int /*long*/ [1];
  3.   OS.gtk_tree_view_get_cursor (handle, path, null);
  4.   if (path [0] == 0) return null;
  5.   TableItem item = null;
  6.   int /*long*/ indices = OS.gtk_tree_path_get_indices (path [0]);
  7.   if (indices != 0) {
  8.     int [] index = new int []{-1};
  9.     OS.memmove (index, indices, 4);
  10.     item = _getItem (index [0]);
  11.   }
  12.   OS.gtk_tree_path_free (path [0]);
  13.   return item;
  14. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

  1. /**
  2.  * Sets the zero-relative index of the item which is currently
  3.  * at the top of the receiver. This index can change when items
  4.  * are scrolled or new items are added and removed.
  5.  *
  6.  * @param index the index of the top item
  7.  *
  8.  * @exception SWTException <ul>
  9.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  10.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  11.  * </ul>
  12.  */
  13. public void setTopIndex (int index) {
  14.   checkWidget();
  15.   if (!(0 <= index && index < itemCount)) return;
  16.   int /*long*/ path = OS.gtk_tree_model_get_path (modelHandle, _getItem (index).handle);
  17.   OS.gtk_tree_view_scroll_to_cell (handle, path, 0, true, 0f, 0f);
  18.   OS.gtk_tree_path_free (path);
  19. }

代码示例来源：origin: org.eclipse.swt.cocoa.macosx/x86_64

  1. /**
  2.  * Shows the selection.  If the selection is already showing in the receiver,
  3.  * this method simply returns.  Otherwise, the items are scrolled until
  4.  * the selection is visible.
  5.  *
  6.  * @exception SWTException <ul>
  7.  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  8.  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  9.  * </ul>
  10.  *
  11.  * @see Table#showItem(TableItem)
  12.  */
  13. public void showSelection () {
  14.   checkWidget ();
  15.   int index = getSelectionIndex ();
  16.   if (index >= 0) {
  17.     checkData(_getItem(index));
  18.     showIndex (index);
  19.   }
  20. }

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

  1. @Override
  2. void reskinChildren (int flags) {
  3.   if (_hasItems ()) {
  4.     int itemCount = (int)/*64*/OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0);
  5.     for (int i=0; i<itemCount; i++) {
  6.       TableItem item = _getItem (i, false);
  7.       if (item != null) item.reskin (flags);
  8.     }
  9.   }
  10.   if (columns != null) {
  11.     for (int i=0; i<columnCount; i++) {
  12.       TableColumn column = columns [i];
  13.       if (!column.isDisposed ()) column.reskin (flags);
  14.     }
  15.   }
  16.   super.reskinChildren (flags);
  17. }

代码示例来源：origin: org.eclipse.swt.cocoa.macosx/x86_64

  1. void sendDoubleSelection() {
  2.   NSTableView tableView = (NSTableView)view;
  3.   int rowIndex = (int)/*64*/tableView.clickedRow (); 
  4.   if (rowIndex == -1) rowIndex = (int)/*64*/tableView.selectedRow(); 
  5.   if (rowIndex != -1) {
  6.     if ((style & SWT.CHECK) != 0) {
  7.       NSArray columns = tableView.tableColumns ();
  8.       int columnIndex = (int)/*64*/tableView.clickedColumn ();
  9.       if (columnIndex != -1) {
  10.         id column = columns.objectAtIndex (columnIndex);
  11.         if (column.id == checkColumn.id) return;
  12.       }
  13.     }
  14.     Event event = new Event ();
  15.     event.item = _getItem (rowIndex);
  16.     sendSelectionEvent (SWT.DefaultSelection, event, false);
  17.   }
  18. }

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

  1. void destroyItem (TableItem item) {
  2.   int count = (int)/*64*/OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0);
  3.   int index = 0;
  4.   while (index < count) {
  5.     if (_getItem (index, false) == item) break;
  6.     index++;
  7.   }
  8.   if (index == count) return;
  9.   setDeferResize (true);
  10.   ignoreSelect = ignoreShrink = true;
  11.   int /*long*/ code = OS.SendMessage (handle, OS.LVM_DELETEITEM, index, 0);
  12.   ignoreSelect = ignoreShrink = false;
  13.   if (code == 0) error (SWT.ERROR_ITEM_NOT_REMOVED);
  14.   _removeItem (index, count);
  15.   --count;
  16.   if (count == 0) setTableEmpty ();
  17.   setDeferResize (false);
  18. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

  1. @Override
  2. int /*long*/ gtk_toggled (int /*long*/ renderer, int /*long*/ pathStr) {
  3.   int /*long*/ path = OS.gtk_tree_path_new_from_string (pathStr);
  4.   if (path == 0) return 0;
  5.   int /*long*/ indices = OS.gtk_tree_path_get_indices (path);
  6.   if (indices != 0) {
  7.     int [] index = new int [1];
  8.     OS.memmove (index, indices, 4);
  9.     TableItem item = _getItem (index [0]);
  10.     item.setChecked (!item.getChecked ());
  11.     Event event = new Event ();
  12.     event.detail = SWT.CHECK;
  13.     event.item = item;
  14.     sendSelectionEvent (SWT.Selection, event, false);
  15.   }
  16.   OS.gtk_tree_path_free (path);
  17.   return 0;
  18. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.s390x

  1. @Override
  2. long /*int*/ gtk_toggled (long /*int*/ renderer, long /*int*/ pathStr) {
  3.   long /*int*/ path = OS.gtk_tree_path_new_from_string (pathStr);
  4.   if (path == 0) return 0;
  5.   long /*int*/ indices = OS.gtk_tree_path_get_indices (path);
  6.   if (indices != 0) {
  7.     int [] index = new int [1];
  8.     OS.memmove (index, indices, 4);
  9.     TableItem item = _getItem (index [0]);
  10.     item.setChecked (!item.getChecked ());
  11.     Event event = new Event ();
  12.     event.detail = SWT.CHECK;
  13.     event.item = item;
  14.     sendSelectionEvent (SWT.Selection, event, false);
  15.   }
  16.   OS.gtk_tree_path_free (path);
  17.   return 0;
  18. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

  1. @Override
  2. int /*long*/ gtk_toggled (int /*long*/ renderer, int /*long*/ pathStr) {
  3.   int /*long*/ path = OS.gtk_tree_path_new_from_string (pathStr);
  4.   if (path == 0) return 0;
  5.   int /*long*/ indices = OS.gtk_tree_path_get_indices (path);
  6.   if (indices != 0) {
  7.     int [] index = new int [1];
  8.     OS.memmove (index, indices, 4);
  9.     TableItem item = _getItem (index [0]);
  10.     item.setChecked (!item.getChecked ());
  11.     Event event = new Event ();
  12.     event.detail = SWT.CHECK;
  13.     event.item = item;
  14.     sendSelectionEvent (SWT.Selection, event, false);
  15.   }
  16.   OS.gtk_tree_path_free (path);
  17.   return 0;
  18. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

  1. TableItem getItemInPixels (Point point) {
  2.   checkWidget();
  3.   if (point == null) error (SWT.ERROR_NULL_ARGUMENT);
  4.   int /*long*/ [] path = new int /*long*/ [1];
  5.   OS.gtk_widget_realize (handle);
  6.   int y = point.y;
  7.   if (getHeaderVisible() && OS.GTK_VERSION > OS.VERSION(3, 9, 0)) {
  8.     y -= getHeaderHeightInPixels();
  9.   }
  10.   if (!OS.gtk_tree_view_get_path_at_pos (handle, point.x, y, path, null, null, null)) return null;
  11.   if (path [0] == 0) return null;
  12.   int /*long*/ indices = OS.gtk_tree_path_get_indices (path [0]);
  13.   TableItem item = null;
  14.   if (indices != 0) {
  15.     int [] index = new int [1];
  16.     OS.memmove (index, indices, 4);
  17.     item = _getItem (index [0]);
  18.   }
  19.   OS.gtk_tree_path_free (path [0]);
  20.   return item;
  21. }

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

  1. boolean hitTestSelection (int index, int x, int y) {
  2.   int count = (int)/*64*/OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0);
  3.   if (count == 0) return false;
  4.   if (!hooks (SWT.MeasureItem)) return false;
  5.   boolean result = false;
  6.   if (0 <= index && index < count) {
  7.     TableItem item = _getItem (index);
  8.     int /*long*/ hDC = OS.GetDC (handle);
  9.     int /*long*/ oldFont = 0, newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
  10.     if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);
  11.     int /*long*/ hFont = item.fontHandle (0);
  12.     if (hFont != -1) hFont = OS.SelectObject (hDC, hFont);
  13.     Event event = sendMeasureItemEvent (item, index, 0, hDC);
  14.     if (event.getBoundsInPixels ().contains (x, y)) result = true;
  15.     if (hFont != -1) hFont = OS.SelectObject (hDC, hFont);
  16.     if (newFont != 0) OS.SelectObject (hDC, oldFont);
  17.     OS.ReleaseDC (handle, hDC);
  18. //        if (isDisposed () || item.isDisposed ()) return false;
  19.   }
  20.   return result;
  21. }

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