/// <summary>
/// 根据当前编辑器的索引位置，计算索引向上移动的位置，并移动
/// </summary>
/// <param name="area"></param>
/// <param name="content"></param>
private void EditorSelectIndexUpMove(EditorEditArea area, EditorContent content)
{
bool isInUpLine = false; // 是否检测到了上一行
int lineEnterIndex = -1; // 换行对象
for (int i = area.SelectIndex; i > 0; i--)
{
EditorContent cnt = area.ContentList[i - 1];
if (cnt.getText() == "\r" || i==1)
{
if (!isInUpLine)
{
// 如果进入了上一行
lineEnterIndex = i; // 获取上一行换行符对象的索引
isInUpLine = true; // 如果检查到了换行符，就代表是上一行
}
else
{
// 如果上一行尺寸小于光标在当前行的宽度，就将光标移动到换行符前面
if (lineEnterIndex > 0)
{
area.SelectIndex = lineEnterIndex - 1;
}
break;
}
continue;
}
if (cnt.Rectangle.IsCross(area.Caret.Rectangle.Left, cnt.Rectangle.Top+cnt.Rectangle.Height, 1, 1))
{
area.SelectIndex = i - 1;
break;
}
}
}
public bool Input(EditorEditArea area, int pos, EditorContent content)
{
if (content == null || content.getText() != ((char)40).ToString()) return false;
this.EditorSelectIndexDownMove(area, content); // 当按向下按钮时，编辑器的选择索引下移一行。
return false;
}
public bool Input(EditorEditArea area, int pos, EditorContent content)
{
if (content == null || content.getText() != ((char)39).ToString()) return false;
area.SelectIndex = Math.Min(area.ContentList.Count(), pos + 1);
return false;
}
public bool Input(EditorEditArea area, int pos, EditorContent content)
{
if (content == null || content.getText() != ((char)37).ToString()) return false;
area.SelectIndex = Math.Max(0,pos - 1);
return false;
}
public bool Input(EditorEditArea area, int pos, EditorContent content)
{
if (content == null || content.GetType() != typeof(EditorImage)) return false;
area.ContentList.Insert(area.SelectIndex, content);
area.SelectIndex = pos + 1;
return false;
}
public bool Input(EditorEditArea area, int pos, EditorContent content)
{
if (content.GetType() != typeof(EditorMouse)) return false;
EditorMouse mouse = (EditorMouse)content;
if (mouse.KeyType != EditorMouse.MouseKeyType.LeftDown && mouse.KeyType != EditorMouse.MouseKeyType.RightDown) return false;
this.SetCaretPos(area, mouse.Rectangle.Left, mouse.Rectangle.Top); // 设置光标位置
return false;
}
public bool Input(EditorEditArea area,int pos, EditorContent content)
{
foreach(IContentHandle obj in this.GetAllObjectHandleList())
{
if(obj.Input(area, pos, content))
{
break;
}
}
return false;
}
/// <summary>
/// 根据给定的x,y坐标设置光标位置
/// </summary>
/// <param name="area"></param>
/// <param name="x"></param>
/// <param name="y"></param>
private void SetCaretPos(EditorEditArea area, float x, float y)
{
int index = 0;
foreach (EditorContent content in area.ContentList)
{
if (content.Rectangle.IsCross(x, y, 1, 1))
{
area.SelectIndex = index + 1;
break;
}
index++;
}
}
public bool Input(EditorEditArea area, int pos, EditorContent content)
{
if (content == null || content.GetType() != typeof(EditorChar)) return false;
Regex regex = new Regex("[\u4e00-\u9fa5_a-zA-Z0-9_\r,.;:\"'`~!@#$%^&*(){}\\| ]{1}");
if (!regex.IsMatch(content.getText())) return false; // 如果不是数字英文中文等普通字符，则返回false
area.ContentList.Insert(pos, content);
area.SelectIndex = pos+1;
return true;
}
/// <summary>
/// 通过指定坐标转为编辑器中内容的索引值
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
private int Pos2Index(EditorEditArea area, float x,float y)
{
int retIndex = -1;
int index = -1;
foreach(EditorContent content in area.ContentList)
{
index++;
if (content.Rectangle.IsCross(x, y, 1, 1))
{
retIndex = index;
}
}
return retIndex;
}
public bool Input(EditorEditArea area, int pos, EditorContent content)
{
if (content.GetType() != typeof(EditorKey)) return false; // 如果没当作按键，返回true，但不处理操作。
if (pos <= 0) return false; // 如果插入位置在0位，就不处理。
if (content == null || content.getText() != "\b") return false; // 如果不是退格键，返回false
if ((area.SelectStart - area.SelectEnd) == 0){
area.Remove(pos - 1, pos);
}
else
{
area.Remove(area.SelectStart, area.SelectEnd);
}
return false;
}
private int m_selectStartIndex = -1; // 旋转开始的索引位置
public bool Input(EditorEditArea area, int pos, EditorContent content)
{
if (content.GetType() != typeof(EditorMouse)) return false;
EditorMouse mouse = (EditorMouse)content;
switch (mouse.KeyType)
{
case EditorMouse.MouseKeyType.LeftDown: // 鼠标左键按下
this.m_isMouseDown = true;
m_selectStartIndex = this.Pos2Index(area, content.Rectangle.Left, content.Rectangle.Top);
area.SelectStart = m_selectStartIndex;
area.SelectEnd = m_selectStartIndex;
break;
case EditorMouse.MouseKeyType.LeftUp: // 鼠标左键抬起
this.m_isMouseDown = false;
break;
case EditorMouse.MouseKeyType.Move: // 鼠标移动
if (!this.m_isMouseDown) break; // 如果鼠标没点下，不执行已下代码
int endIndex = this.Pos2Index(area, content.Rectangle.Left, content.Rectangle.Top);
if (this.m_selectStartIndex < endIndex)
{
area.SelectStart = this.m_selectStartIndex;
area.SelectEnd = endIndex + 1;
}else if(this.m_selectStartIndex > endIndex)
{
area.SelectEnd = this.m_selectStartIndex + 1;
area.SelectStart = endIndex;
}else if (this.m_selectStartIndex == endIndex)
{
area.SelectStart = this.m_selectStartIndex;
area.SelectEnd = this.m_selectStartIndex;
}
area.Caret.Hide(); // 隐藏光标
#if DEBUG
Console.WriteLine(string.Format("select editor index:start={0} end={1}", area.SelectStart, area.SelectEnd));
#endif
break;
}
return false;
}
/// <summary>
/// 根据当前编辑器的索引位置，计算索引向下移动的位置，并移动
/// </summary>
/// <param name="area"></param>
/// <param name="content"></param>
private void EditorSelectIndexDownMove(EditorEditArea area, EditorContent content)
{
bool isInDownLine = false; // 是否检测到了下一行
for (int i = area.SelectIndex; i < area.ContentList.Count(); i++)
{
EditorContent cnt = area.ContentList[i - 1];
if (cnt.getText() == "\r")
{
if (!isInDownLine)
{
// 如果进入了下一行
isInDownLine = true; // 如果检查到了换行符，就代表是上一行
}
else
{
// 如果上一行尺寸小于光标在当前行的宽度，就将光标移动到换行符前面
area.SelectIndex = i-1;
break;
}
continue;
}
if (!isInDownLine) continue;
if (cnt.Rectangle.IsCross(area.Caret.Rectangle.Left, cnt.Rectangle.Top, 1, 1))
{
area.SelectIndex = i-1;
break;
}else if (i == area.ContentList.Count() - 1)
{
area.SelectIndex = i + 1;
}
}
}
