org.eclipse.swt.widgets.Tree.getStyle()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.Tree.getStyle()方法的一些代码示例，展示了Tree.getStyle()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。Tree.getStyle()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.Tree
类名称：Tree
方法名：getStyle

Tree.getStyle介绍

暂无

代码示例

代码示例来源：origin: org.codehaus.openxma/xmartclient

/**
 * Returns true if selection is performed via check boxes and not by
 * conventionally highlighting lines
 */
private boolean checkedSelection () {
  return (tree_.getStyle() & SWT.CHECK) != 0;
}

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

private static boolean isVirtual( Tree tree ) {
 return ( tree.getStyle() & SWT.VIRTUAL ) != 0;
}

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

private void updateSelection() {
 TreeItem[] selection = parent.getSelection();
 List<TreeItem> selectedItems = new ArrayList<>( Arrays.asList( selection ) );
 if( deselectChildren( selectedItems ) ) {
  if( ( parent.getStyle() & SWT.SINGLE ) != 0 ) {
   selectedItems.add( this );
  }
  parent.setSelection( selectedItems.toArray( new TreeItem[ 0 ] ) );
  Event event = new Event();
  event.item = this;
  parent.notifyListeners( SWT.Selection, event );
 }
}

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

/**
 * Sets the grayed state of the checkbox for this item. This state change only
 * applies if the Tree was created with the SWT.CHECK style.
 *
 * @param grayed the new grayed state of the checkbox
 * @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 setGrayed( boolean grayed ) {
 checkWidget();
 if( ( parent.getStyle() & SWT.CHECK ) != 0 ) {
  if( this.grayed != grayed ) {
   this.grayed = grayed;
   markCached();
  }
 }
}

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

/**
 * Sets the checked state of the receiver.
 * <p>
 *
 * @param checked the new checked 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 setChecked( boolean checked ) {
 checkWidget();
 if( ( parent.getStyle() & SWT.CHECK ) != 0 ) {
  if( this.checked != checked ) {
   this.checked = checked;
   markCached();
  }
 }
}

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

protected void hookControl(Control control) {
  super.hookControl(control);
  Tree treeControl = (Tree) control;
  if ((treeControl.getStyle() & SWT.VIRTUAL) != 0) {
    treeControl.addDisposeListener(new DisposeListener() {
      public void widgetDisposed(DisposeEvent e) {
        treeIsDisposed = true;
        unmapAllElements();
      }
    });
    treeControl.addListener(SWT.SetData, new Listener() {
      public void handleEvent(Event event) {
        if (contentProviderIsLazy) {
          TreeItem item = (TreeItem) event.item;
          TreeItem parentItem = item.getParentItem();
          int index = event.index;
          virtualLazyUpdateWidget(
              parentItem == null ? (Widget) getTree()
                  : parentItem, index);
        }
      }
    });
  }
}

代码示例来源：origin: org.eclipse.rap/org.eclipse.rap.rwt.q07

writer.newWidget( "org.eclipse.rwt.widgets.Tree" );
ControlLCAUtil.writeStyleFlags( tree );
if( ( tree.getStyle() & SWT.NO_SCROLL ) != 0 ) {
 writer.set( "hasNoScroll", true );
if( ( tree.getStyle() & SWT.MULTI ) != 0 ) {
 writer.set( "hasMultiSelection", true );
if( ( tree.getStyle() & SWT.FULL_SELECTION ) != 0 ) {
 writer.set( "hasFullSelection", true );
} else {
 } );
if( ( tree.getStyle() & SWT.CHECK ) != 0 ) {
 writer.set( "hasCheckBoxes", true );
 writer.set( "checkBoxMetrics", new Object[]{
 } );
if( ( tree.getStyle() & SWT.VIRTUAL ) != 0 ) {
 writer.set( "isVirtual", true );

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.examples

noScrollButton.setSelection ((tree1.getStyle () & SWT.NO_SCROLL) != 0);
checkButton.setSelection ((tree1.getStyle () & SWT.CHECK) != 0);
fullSelectionButton.setSelection ((tree1.getStyle () & SWT.FULL_SELECTION) != 0);
try {
  TreeColumn column = tree1.getColumn(0);

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

protected void mapElement(Object element, final Widget item) {
  super.mapElement(element, item);
  // make sure to unmap elements if the tree is virtual
  if ((getTree().getStyle() & SWT.VIRTUAL) != 0) {
    // only add a dispose listener if item hasn't already on assigned
    // because it is reused
    if (item.getData(VIRTUAL_DISPOSE_KEY) == null) {
      item.setData(VIRTUAL_DISPOSE_KEY, Boolean.TRUE);
      item.addDisposeListener(new DisposeListener() {
        public void widgetDisposed(DisposeEvent e) {
          if (!treeIsDisposed) {
            Object data = item.getData();
            if (usingElementMap() && data != null) {
              unmapElement(data, item);
            }
          }
        }
      });
    }
  }
}

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface

@Override
protected void hookControl(Control control) {
  super.hookControl(control);
  Tree treeControl = (Tree) control;
  if ((treeControl.getStyle() & SWT.VIRTUAL) != 0) {
    treeControl.addDisposeListener(e -> {
      treeIsDisposed = true;
      unmapAllElements();
    });
    treeControl.addListener(SWT.SetData, event -> {
      if (contentProviderIsLazy) {
        TreeItem item = (TreeItem) event.item;
        TreeItem parentItem = item.getParentItem();
        int index = event.index;
        virtualLazyUpdateWidget(
            parentItem == null ? (Widget) getTree()
                : parentItem, index);
      }
    });
  }
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface

@Override
protected void hookControl(Control control) {
  super.hookControl(control);
  Tree treeControl = (Tree) control;
  if ((treeControl.getStyle() & SWT.VIRTUAL) != 0) {
    treeControl.addDisposeListener(e -> {
      treeIsDisposed = true;
      unmapAllElements();
    });
    treeControl.addListener(SWT.SetData, event -> {
      if (contentProviderIsLazy) {
        TreeItem item = (TreeItem) event.item;
        TreeItem parentItem = item.getParentItem();
        int index = event.index;
        virtualLazyUpdateWidget(
            parentItem == null ? (Widget) getTree()
                : parentItem, index);
      }
    });
  }
}

代码示例来源：origin: org.codehaus.openxma/xmartclient

if (control instanceof Tree) {
  Tree            tree = (Tree)control;
  int             style = tree.getStyle();
  boolean         treeIsMulti = (style & SWT.CHECK) != 0 || (style & SWT.MULTI) != 0;
  if (treeIsMulti != wModel_.isMultiSelect())

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface

@Override
protected void mapElement(Object element, final Widget item) {
  super.mapElement(element, item);
  // make sure to unmap elements if the tree is virtual
  if ((getTree().getStyle() & SWT.VIRTUAL) != 0) {
    // only add a dispose listener if item hasn't already on assigned
    // because it is reused
    if (item.getData(VIRTUAL_DISPOSE_KEY) == null) {
      item.setData(VIRTUAL_DISPOSE_KEY, Boolean.TRUE);
      item.addDisposeListener(e -> {
        if (!treeIsDisposed) {
          Object data = item.getData();
          if (usingElementMap() && data != null) {
            unmapElement(data, item);
          }
        }
      });
    }
  }
}

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface

@Override
protected void mapElement(Object element, final Widget item) {
  super.mapElement(element, item);
  // make sure to unmap elements if the tree is virtual
  if ((getTree().getStyle() & SWT.VIRTUAL) != 0) {
    // only add a dispose listener if item hasn't already on assigned
    // because it is reused
    if (item.getData(VIRTUAL_DISPOSE_KEY) == null) {
      item.setData(VIRTUAL_DISPOSE_KEY, Boolean.TRUE);
      item.addDisposeListener(e -> {
        if (!treeIsDisposed) {
          Object data = item.getData();
          if (usingElementMap() && data != null) {
            unmapElement(data, item);
          }
        }
      });
    }
  }
}

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

Point pt = new Point(event.x, event.y);
TreeItem item = tree.getItem(pt);
if (item == null && (tree.getStyle() & SWT.FULL_SELECTION) == 0) {
  TreeItem currentItem = tree.getTopItem();
  TreeItem parentItem = currentItem.getParentItem();

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

Point pt = new Point(event.x, event.y);
TreeItem item = tree.getItem(pt);
if (item == null && (tree.getStyle() & SWT.FULL_SELECTION) == 0) {
  TreeItem currentItem = tree.getTopItem();
  TreeItem parentItem = currentItem.getParentItem();

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

GdkRectangle rect = new GdkRectangle ();
OS.gtk_tree_view_get_cell_area (parentHandle, path, column, rect);
if ((parent.getStyle () & SWT.MIRRORED) != 0) rect.x = parent.getClientWidth () - rect.width - rect.x;

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

GdkRectangle rect = new GdkRectangle ();
OS.gtk_tree_view_get_cell_area (parentHandle, path, column, rect);
if ((parent.getStyle () & SWT.MIRRORED) != 0) rect.x = parent.getClientWidth () - rect.width - rect.x;

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

remoteObject.set( "appearance", "tree" );
ITreeAdapter adapter = getTreeAdapter( tree );
if( ( tree.getStyle() & SWT.CHECK ) != 0 ) {
 JsonArray metrics = new JsonArray()
  .add( adapter.getCheckLeft() )
 remoteObject.set( "splitContainer", true );
if( ( tree.getStyle() & SWT.FULL_SELECTION ) == 0 ) {
 Rectangle textMargin = getTreeAdapter( tree ).getTextMargin();
 JsonArray padding = new JsonArray()

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

GdkRectangle rect = new GdkRectangle ();
OS.gtk_tree_view_get_cell_area (parentHandle, path, column, rect);
if ((parent.getStyle () & SWT.MIRRORED) != 0) rect.x = parent.getClientWidth () - rect.width - rect.x;

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