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

Tree.error介绍

暂无

代码示例

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

private void setPreloadedItems( Object value ) {
 if( value == null ) {
  preloadedItems = 0;
 } else {
  if( !( value instanceof Integer ) ) {
   error( SWT.ERROR_INVALID_ARGUMENT );
  }
  preloadedItems = ( ( Integer )value ).intValue();
  if( preloadedItems < 0 ) {
   error( SWT.ERROR_INVALID_RANGE );
  }
 }
}

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

private void setCustomItemHeight( Object value ) {
 if( value == null ) {
  customItemHeight = -1;
 } else {
  if( !( value instanceof Integer ) ) {
   error( SWT.ERROR_INVALID_ARGUMENT );
  }
  int itemHeight = ( ( Integer )value ).intValue();
  if( itemHeight < 0 ) {
   error( SWT.ERROR_INVALID_RANGE );
  }
  customItemHeight = itemHeight;
 }
}

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

@Override
protected void checkSubclass () {
  if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
}

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

protected void checkSubclass () {
  if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
}

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

@Override
protected void checkSubclass () {
  if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
}

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

@Override
protected void checkSubclass () {
  if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
}

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

@Override
protected void checkSubclass () {
  if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
}

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

/**
 * Sets the height of the area which would be used to
 * display <em>one</em> of the items in the tree.
 *
 * @param itemHeight the height of one item
 *
 * @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>
 *
 * @since 3.2
 */
/*public*/ void setItemHeight (int itemHeight) {
  checkWidget ();
  if (itemHeight < -1) error (SWT.ERROR_INVALID_ARGUMENT);
  OS.SendMessage (handle, OS.TVM_SETITEMHEIGHT, itemHeight, 0);
}

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

/**
 * Sets the header foreground color to the color specified
 * by the argument, or to the default system color if the argument is null.
 * @param color the new color (or null)
 *
 * @exception IllegalArgumentException <ul>
 *    <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li>
 * </ul>
 * @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>
 * @since 3.6
 */
public void setHeaderForeground( Color color ) {
 checkWidget();
 if( color != null && color.isDisposed() ) {
  error( SWT.ERROR_INVALID_ARGUMENT );
 }
 headerForeground = color;
}

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

/*public*/ void setItemHeight (int itemHeight) {
  checkWidget ();
  if (itemHeight < -1) error (SWT.ERROR_INVALID_ARGUMENT);
  if (itemHeight == -1) {
    setItemHeight (null, null, true);
  } else {
    ((NSOutlineView)view).setRowHeight (itemHeight);
  }
}

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

void createItem (TreeItem item, int /*long*/ parentIter, int index) {
  int count = OS.gtk_tree_model_iter_n_children (modelHandle, parentIter);
  if (index == -1) index = count;
  if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE);
  item.handle = OS.g_malloc (OS.GtkTreeIter_sizeof ());
  if (item.handle == 0) error(SWT.ERROR_NO_HANDLES);
  /*
  * Feature in GTK.  It is much faster to append to a tree store
  * than to insert at the end using gtk_tree_store_insert().
  */
  if (index == count) {
    OS.gtk_tree_store_append (modelHandle, item.handle, parentIter);
  } else {
    OS.gtk_tree_store_insert (modelHandle, item.handle, parentIter, index);
  }
  int id = getId (item.handle, false);
  items [id] = item;
  modelChanged = true;
}

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

void createItem (TreeItem item, int /*long*/ parentIter, int index) {
  int count = OS.gtk_tree_model_iter_n_children (modelHandle, parentIter);
  if (index == -1) index = count;
  if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE);
  item.handle = OS.g_malloc (OS.GtkTreeIter_sizeof ());
  if (item.handle == 0) error(SWT.ERROR_NO_HANDLES);
  /*
  * Feature in GTK.  It is much faster to append to a tree store
  * than to insert at the end using gtk_tree_store_insert().
  */
  if (index == count) {
    OS.gtk_tree_store_append (modelHandle, item.handle, parentIter);
  } else {
    OS.gtk_tree_store_insert (modelHandle, item.handle, parentIter, index);
  }
  int id = getId (item.handle, false);
  items [id] = item;
  modelChanged = true;
}

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

/**
 * Returns the item at the given, zero-relative index in the
 * receiver. Throws an exception if the index is out of range.
 *
 * @param index the index of the item to return
 * @return the item at the given index
 *
 * @exception IllegalArgumentException <ul>
 *    <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li>
 * </ul>
 * @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>
 * 
 * @since 3.1
 */
public TreeItem getItem (int index) {
  checkWidget ();
  int count = getItemCount ();
  if (index < 0 || index >= count) error (SWT.ERROR_INVALID_RANGE);
  return _getItem (null, index, true);
}

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

void createItem (TreeItem item, long /*int*/ parentIter, int index) {
  int count = OS.gtk_tree_model_iter_n_children (modelHandle, parentIter);
  if (index == -1) index = count;
  if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE);
  item.handle = OS.g_malloc (OS.GtkTreeIter_sizeof ());
  if (item.handle == 0) error(SWT.ERROR_NO_HANDLES);
  /*
  * Feature in GTK.  It is much faster to append to a tree store
  * than to insert at the end using gtk_tree_store_insert().
  */
  if (index == count) {
    OS.gtk_tree_store_append (modelHandle, item.handle, parentIter);
  } else {
    OS.gtk_tree_store_insert (modelHandle, item.handle, parentIter, index);
  }
  int id = getId (item.handle, false);
  items [id] = item;
  modelChanged = true;
}

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

/**
 * Removes the listener from the collection of listeners who will be notified
 * when items in the receiver are expanded or collapsed.
 *
 * @param listener the listener which should no longer be notified
 * @exception IllegalArgumentException <ul>
 *              <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
 *              </ul>
 * @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>
 * @see TreeListener
 * @see #addTreeListener
 */
public void removeTreeListener( TreeListener listener ) {
 checkWidget();
 if( listener == null ) {
  error( SWT.ERROR_NULL_ARGUMENT );
 }
 removeListener( SWT.Expand, listener );
 removeListener( SWT.Collapse, listener );
}

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

/**
 * Returns the item at the given, zero-relative index in the
 * receiver. Throws an exception if the index is out of range.
 *
 * @param index the index of the item to return
 * @return the item at the given index
 *
 * @exception IllegalArgumentException <ul>
 *    <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li>
 * </ul>
 * @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>
 *
 * @since 3.1
 */
public TreeItem getItem (int index) {
  checkWidget();
  if (!(0 <= index && index < OS.gtk_tree_model_iter_n_children (modelHandle, 0)))  {
    error (SWT.ERROR_INVALID_RANGE);
  }
  return _getItem (0, index);
}

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

/**
 * Removes the listener from the collection of listeners who will
 * be notified when items in the receiver are expanded or collapsed.
 *
 * @param listener the listener which should no longer be notified
 *
 * @exception IllegalArgumentException <ul>
 *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
 * </ul>
 * @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>
 *
 * @see TreeListener
 * @see #addTreeListener
 */
public void removeTreeListener(TreeListener listener) {
  checkWidget ();
  if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
  if (eventTable == null) return;
  eventTable.unhook (SWT.Expand, listener);
  eventTable.unhook (SWT.Collapse, listener);
}

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

void recreateRenderers () {
  if (checkRenderer != 0) {
    display.removeWidget (checkRenderer);
    OS.g_object_unref (checkRenderer);
    checkRenderer = ownerDraw ? OS.g_object_new (display.gtk_cell_renderer_toggle_get_type(), 0) : OS.gtk_cell_renderer_toggle_new ();
    if (checkRenderer == 0) error (SWT.ERROR_NO_HANDLES);
    OS.g_object_ref (checkRenderer);
    display.addWidget (checkRenderer, this);
    OS.g_signal_connect_closure (checkRenderer, OS.toggled, display.getClosure (TOGGLED), false);
  }
  if (columnCount == 0) {
    createRenderers (OS.gtk_tree_view_get_column (handle, 0), Tree.FIRST_COLUMN, true, 0);
  } else {
    for (int i = 0; i < columnCount; i++) {
      TreeColumn column = columns [i];
      createRenderers (column.handle, column.modelIndex, i == 0, column.style);
    }
  }
}

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

void recreateRenderers () {
  if (checkRenderer != 0) {
    display.removeWidget (checkRenderer);
    OS.g_object_unref (checkRenderer);
    checkRenderer = ownerDraw ? OS.g_object_new (display.gtk_cell_renderer_toggle_get_type(), 0) : OS.gtk_cell_renderer_toggle_new ();
    if (checkRenderer == 0) error (SWT.ERROR_NO_HANDLES);
    OS.g_object_ref (checkRenderer);
    display.addWidget (checkRenderer, this);
    OS.g_signal_connect_closure (checkRenderer, OS.toggled, display.getClosure (TOGGLED), false);
  }
  if (columnCount == 0) {
    createRenderers (OS.gtk_tree_view_get_column (handle, 0), Tree.FIRST_COLUMN, true, 0);
  } else {
    for (int i = 0; i < columnCount; i++) {
      TreeColumn column = columns [i];
      createRenderers (column.handle, column.modelIndex, i == 0, column.style);
    }
  }
}

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

void recreateRenderers () {
  if (checkRenderer != 0) {
    display.removeWidget (checkRenderer);
    OS.g_object_unref (checkRenderer);
    checkRenderer = ownerDraw ? OS.g_object_new (display.gtk_cell_renderer_toggle_get_type(), 0) : OS.gtk_cell_renderer_toggle_new ();
    if (checkRenderer == 0) error (SWT.ERROR_NO_HANDLES);
    OS.g_object_ref (checkRenderer);
    display.addWidget (checkRenderer, this);
    OS.g_signal_connect_closure (checkRenderer, OS.toggled, display.getClosure (TOGGLED), false);
  }
  if (columnCount == 0) {
    createRenderers (OS.gtk_tree_view_get_column (handle, 0), Tree.FIRST_COLUMN, true, 0);
  } else {
    for (int i = 0; i < columnCount; i++) {
      TreeColumn column = columns [i];
      createRenderers (column.handle, column.modelIndex, i == 0, column.style);
    }
  }
}

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