本文整理了Java中com.koolearn.klibrary.text.view.ZLTextSelection.isEmpty()方法的一些代码示例，展示了ZLTextSelection.isEmpty()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。ZLTextSelection.isEmpty()方法的具体详情如下：
包路径：com.koolearn.klibrary.text.view.ZLTextSelection
类名称：ZLTextSelection
方法名：isEmpty

ZLTextSelection.isEmpty介绍

暂无

代码示例

代码示例来源：origin: ydcx/KooReader

public boolean isSelectionEmpty() {
  return mySelection.isEmpty();
}

代码示例来源：origin: Jiangzqts/EpubRead

public boolean isSelectionEmpty() {
  return mySelection.isEmpty();
}

代码示例来源：origin: Jiangzqts/EpubRead

@Override
public ZLTextPosition getStartPosition() {
  if (isEmpty()) {
    return null;
  }
  return new ZLTextFixedPosition(
    myLeftMostRegionSoul.ParagraphIndex,
    myLeftMostRegionSoul.StartElementIndex,
    0
  );
}

代码示例来源：origin: Jiangzqts/EpubRead

public boolean clear() {
  if (isEmpty()) {
    return false;
  }
  stop();
  myLeftMostRegionSoul = null;
  myRightMostRegionSoul = null;
  myCursorInMovement = null;
  return true;
}

代码示例来源：origin: ydcx/KooReader

public boolean clear() {
  if (isEmpty()) {
    return false;
  }
  stop();
  myLeftMostRegionSoul = null;
  myRightMostRegionSoul = null;
  myCursorInMovement = null;
  return true;
}

代码示例来源：origin: ydcx/KooReader

@Override
public ZLTextPosition getStartPosition() {
  if (isEmpty()) {
    return null;
  }
  return new ZLTextFixedPosition(
    myLeftMostRegionSoul.ParagraphIndex,
    myLeftMostRegionSoul.StartElementIndex,
    0
  );
}

代码示例来源：origin: Jiangzqts/EpubRead

protected SelectionCursor.Which findSelectionCursor(int x, int y, float maxDistance2) {
  if (mySelection.isEmpty()) {
    return null;
  }
  final float leftDistance2 = distance2ToCursor(x, y, SelectionCursor.Which.Left);
  final float rightDistance2 = distance2ToCursor(x, y, SelectionCursor.Which.Right);
  if (rightDistance2 < leftDistance2) {
    return rightDistance2 <= maxDistance2 ? SelectionCursor.Which.Right : null;
  } else {
    return leftDistance2 <= maxDistance2 ? SelectionCursor.Which.Left : null;
  }
}

代码示例来源：origin: ydcx/KooReader

protected SelectionCursor.Which findSelectionCursor(int x, int y, float maxDistance2) {
  if (mySelection.isEmpty()) {
    return null;
  }
  final float leftDistance2 = distance2ToCursor(x, y, SelectionCursor.Which.Left);
  final float rightDistance2 = distance2ToCursor(x, y, SelectionCursor.Which.Right);
  if (rightDistance2 < leftDistance2) {
    return rightDistance2 <= maxDistance2 ? SelectionCursor.Which.Right : null;
  } else {
    return leftDistance2 <= maxDistance2 ? SelectionCursor.Which.Left : null;
  }
}

代码示例来源：origin: ydcx/KooReader

boolean hasPartAfterPage(ZLTextPage page) {
  if (isEmpty()) {
    return false;
  }
  final ZLTextElementArea lastPageArea = page.TextElementMap.getLastArea();
  if (lastPageArea == null) {
    return false;
  }
  final int cmp = myRightMostRegionSoul.compareTo(lastPageArea);
  return cmp > 0 || (cmp == 0 && !lastPageArea.isLastInElement());
}

代码示例来源：origin: Jiangzqts/EpubRead

boolean hasPartBeforePage(ZLTextPage page) {
  if (isEmpty()) {
    return false;
  }
  final ZLTextElementArea firstPageArea = page.TextElementMap.getFirstArea();
  if (firstPageArea == null) {
    return false;
  }
  final int cmp = myLeftMostRegionSoul.compareTo(firstPageArea);
  return cmp < 0 || (cmp == 0 && !firstPageArea.isFirstInElement());
}

代码示例来源：origin: ydcx/KooReader

@Override
public ZLTextPosition getEndPosition() {
  if (isEmpty()) {
    return null;
  }
  final ZLTextParagraphCursor cursor = myView.cursor(myRightMostRegionSoul.ParagraphIndex);
  final ZLTextElement element = cursor.getElement(myRightMostRegionSoul.EndElementIndex);
  return new ZLTextFixedPosition(
    myRightMostRegionSoul.ParagraphIndex,
    myRightMostRegionSoul.EndElementIndex,
    element instanceof ZLTextWord ? ((ZLTextWord)element).Length : 0
  );
}

代码示例来源：origin: Jiangzqts/EpubRead

@Override
public ZLTextPosition getEndPosition() {
  if (isEmpty()) {
    return null;
  }
  final ZLTextParagraphCursor cursor = myView.cursor(myRightMostRegionSoul.ParagraphIndex);
  final ZLTextElement element = cursor.getElement(myRightMostRegionSoul.EndElementIndex);
  return new ZLTextFixedPosition(
    myRightMostRegionSoul.ParagraphIndex,
    myRightMostRegionSoul.EndElementIndex,
    element instanceof ZLTextWord ? ((ZLTextWord)element).Length : 0
  );
}

代码示例来源：origin: Jiangzqts/EpubRead

boolean hasPartAfterPage(ZLTextPage page) {
  if (isEmpty()) {
    return false;
  }
  final ZLTextElementArea lastPageArea = page.TextElementMap.getLastArea();
  if (lastPageArea == null) {
    return false;
  }
  final int cmp = myRightMostRegionSoul.compareTo(lastPageArea);
  return cmp > 0 || (cmp == 0 && !lastPageArea.isLastInElement());
}

代码示例来源：origin: ydcx/KooReader

boolean hasPartBeforePage(ZLTextPage page) {
  if (isEmpty()) {
    return false;
  }
  final ZLTextElementArea firstPageArea = page.TextElementMap.getFirstArea();
  if (firstPageArea == null) {
    return false;
  }
  final int cmp = myLeftMostRegionSoul.compareTo(firstPageArea);
  return cmp < 0 || (cmp == 0 && !firstPageArea.isFirstInElement());
}

代码示例来源：origin: ydcx/KooReader

public int getSelectionEndY() {
  if (mySelection.isEmpty()) {
    return 0;
  }
  final ZLTextElementArea selectionEndArea = mySelection.getEndArea(myCurrentPage);
  if (selectionEndArea != null) {
    return selectionEndArea.YEnd;
  }
  if (mySelection.hasPartAfterPage(myCurrentPage)) {
    final ZLTextElementArea lastArea = myCurrentPage.TextElementMap.getLastArea();
    return lastArea != null ? lastArea.YEnd : 0;
  } else {
    final ZLTextElementArea firstArea = myCurrentPage.TextElementMap.getFirstArea();
    return firstArea != null ? firstArea.YStart : 0;
  }
}

代码示例来源：origin: Jiangzqts/EpubRead

public int getSelectionStartY() {
  if (mySelection.isEmpty()) {
    return 0;
  }
  final ZLTextElementArea selectionStartArea = mySelection.getStartArea(myCurrentPage);
  if (selectionStartArea != null) {
    return selectionStartArea.YStart;
  }
  if (mySelection.hasPartBeforePage(myCurrentPage)) {
    final ZLTextElementArea firstArea = myCurrentPage.TextElementMap.getFirstArea();
    return firstArea != null ? firstArea.YStart : 0;
  } else {
    final ZLTextElementArea lastArea = myCurrentPage.TextElementMap.getLastArea();
    return lastArea != null ? lastArea.YEnd : 0;
  }
}

代码示例来源：origin: ydcx/KooReader

@Override
public ZLTextElementArea getStartArea(ZLTextPage page) {
  if (isEmpty()) {
    return null;
  }
  final ZLTextElementAreaVector vector = page.TextElementMap;
  final ZLTextRegion region = vector.getRegion(myLeftMostRegionSoul);
  if (region != null) {
    return region.getFirstArea();
  }
  final ZLTextElementArea firstArea = vector.getFirstArea();
  if (firstArea != null && myLeftMostRegionSoul.compareTo(firstArea) <= 0) {
    return firstArea;
  }
  return null;
}

代码示例来源：origin: Jiangzqts/EpubRead

@Override
public ZLTextElementArea getStartArea(ZLTextPage page) {
  if (isEmpty()) {
    return null;
  }
  final ZLTextElementAreaVector vector = page.TextElementMap;
  final ZLTextRegion region = vector.getRegion(myLeftMostRegionSoul);
  if (region != null) {
    return region.getFirstArea();
  }
  final ZLTextElementArea firstArea = vector.getFirstArea();
  if (firstArea != null && myLeftMostRegionSoul.compareTo(firstArea) <= 0) {
    return firstArea;
  }
  return null;
}

代码示例来源：origin: Jiangzqts/EpubRead

public int getSelectionEndY() {
  if (mySelection.isEmpty()) {
    return 0;
  }
  final ZLTextElementArea selectionEndArea = mySelection.getEndArea(myCurrentPage);
  if (selectionEndArea != null) {
    return selectionEndArea.YEnd;
  }
  if (mySelection.hasPartAfterPage(myCurrentPage)) {
    final ZLTextElementArea lastArea = myCurrentPage.TextElementMap.getLastArea();
    return lastArea != null ? lastArea.YEnd : 0;
  } else {
    final ZLTextElementArea firstArea = myCurrentPage.TextElementMap.getFirstArea();
    return firstArea != null ? firstArea.YStart : 0;
  }
}

代码示例来源：origin: ydcx/KooReader

@Override
public ZLTextElementArea getEndArea(ZLTextPage page) {
  if (isEmpty()) {
    return null;
  }
  final ZLTextElementAreaVector vector = page.TextElementMap;
  final ZLTextRegion region = vector.getRegion(myRightMostRegionSoul);
  if (region != null) {
    return region.getLastArea();
  }
  final ZLTextElementArea lastArea = vector.getLastArea();
  if (lastArea != null && myRightMostRegionSoul.compareTo(lastArea) >= 0) {
    return lastArea;
  }
  return null;
}