Java 类com.intellij.openapi.editor.SoftWrapModel 实例源码

项目：intellij-ce-playground 文件：SoftWrapHelper.java

/**
 * Every soft wrap implies that multiple visual positions correspond to the same document offset. We can classify
 * such positions by the following criteria:
 * <pre>
 * <ul>
 *   <li>positions from visual line with soft wrap start;</li>
 *   <li>positions from visual line with soft wrap end;</li>
 * </ul>
 * </pre>
 * <p/>
 * This method allows to answer if caret offset of the given editor points to soft wrap and visual caret position
 * belongs to the visual line where soft wrap end is located.
 *
 * @param editor    target editor
 * @return          <code>true</code> if caret offset of the given editor points to visual position that belongs to
 *                  visual line where soft wrap end is located
 */
public static boolean isCaretAfterSoftWrap(CaretImpl caret) {
  if (!caret.isUpToDate()) {
    return false;
  }
  EditorImpl editor = caret.getEditor();
  SoftWrapModel softWrapModel = editor.getSoftWrapModel();
  int offset = caret.getOffset();
  SoftWrap softWrap = softWrapModel.getSoftWrap(offset);
  if (softWrap == null) {
    return false;
  }

  if (editor.myUseNewRendering) {
    VisualPosition afterWrapPosition = editor.offsetToVisualPosition(offset, false, false);
    VisualPosition caretPosition = caret.getVisualPosition();
    return caretPosition.line == afterWrapPosition.line && caretPosition.column <= afterWrapPosition.column;
  }
  else {
    return editor.offsetToVisualLine(offset) == caret.getVisualPosition().line;
  }
}

项目：consulo 文件：SoftWrapHelper.java

/**
 * Every soft wrap implies that multiple visual positions correspond to the same document offset. We can classify
 * such positions by the following criteria:
 * <pre>
 * <ul>
 *   <li>positions from visual line with soft wrap start;</li>
 *   <li>positions from visual line with soft wrap end;</li>
 * </ul>
 * </pre>
 * <p/>
 * This method allows to answer if caret offset of the given editor points to soft wrap and visual caret position
 * belongs to the visual line where soft wrap end is located.
 *
 * @param editor    target editor
 * @return          <code>true</code> if caret offset of the given editor points to visual position that belongs to
 *                  visual line where soft wrap end is located
 */
public static boolean isCaretAfterSoftWrap(CaretImpl caret) {
  if (!caret.isUpToDate()) {
    return false;
  }
  EditorImpl editor = caret.getEditor();
  SoftWrapModel softWrapModel = editor.getSoftWrapModel();
  int offset = caret.getOffset();
  SoftWrap softWrap = softWrapModel.getSoftWrap(offset);
  if (softWrap == null) {
    return false;
  }

  VisualPosition afterWrapPosition = editor.offsetToVisualPosition(offset, false, false);
  VisualPosition caretPosition = caret.getVisualPosition();
  return caretPosition.line == afterWrapPosition.line && caretPosition.column <= afterWrapPosition.column;
}

项目：tools-idea 文件：SoftWrapHelper.java

/**
 * Every soft wrap implies that multiple visual positions correspond to the same document offset. We can classify
 * such positions by the following criteria:
 * <pre>
 * <ul>
 *   <li>positions from visual line with soft wrap start;</li>
 *   <li>positions from visual line with soft wrap end;</li>
 * </ul>
 * </pre>
 * <p/>
 * This method allows to answer if caret offset of the given editor points to soft wrap and visual caret position
 * belongs to the visual line where soft wrap end is located.
 *
 * @param editor    target editor
 * @return          <code>true</code> if caret offset of the given editor points to visual position that belongs to
 *                  visual line where soft wrap end is located
 */
public static boolean isCaretAfterSoftWrap(EditorImpl editor) {
  CaretModel caretModel = editor.getCaretModel();
  if (!caretModel.isUpToDate()) {
    return false;
  }
  SoftWrapModel softWrapModel = editor.getSoftWrapModel();
  int offset = caretModel.getOffset();
  SoftWrap softWrap = softWrapModel.getSoftWrap(offset);
  if (softWrap == null) {
    return false;
  }

  return editor.offsetToVisualLine(offset) == caretModel.getVisualPosition().line;
}