private void updataButton_Click(object sender, EventArgs e)
{
int[,] daysInPanel = GetDaysInPanel();
if (daysInPanel[clickInRow, clickInColoum] != 0)
{
currentTextEditingDate = new DateTime(
currentSelectedDate.Year, currentSelectedDate.Month, daysInPanel[clickInRow, clickInColoum]);
// 更新数据
if (NotepadHashtable.Exists(currentTextEditingDate) && noteTextBox.Text.TrimEnd() != "")
{
NotepadHashtable.UpdateText(currentTextEditingDate, noteTextBox.Text);
MessageBox.Show("更新成功");
}
else
{
MessageBox.Show("更新失败");
}
}
}
private void calendarContentPanel_MouseClick(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Left)
{
return;
}
// 判断鼠标点击了哪一天
clickInRow = (int)(e.Location.Y / ((float)calendarContentPanel.Height / 6));
clickInColoum = (int)(e.Location.X / ((float)calendarContentPanel.Width / 7));
int[,] daysInPanel = GetDaysInPanel();
// 点击的单元格有元素存在
if (daysInPanel[clickInRow, clickInColoum] != 0)
{
// 重置当前选中的日期
currentSelectedDate = new DateTime(currentSelectedDate.Year, currentSelectedDate.Month, daysInPanel[clickInRow, clickInColoum]);
OnCurrentSelectedDateChanged();
}
// 判断鼠标是否点击了日期框右上角的加号（三角形）
PointF[] topRightTrianglePoints =
{
new Point(40, 0),
new Point(62, 0),
new Point(62, 20)
};
for (int i = 0; i < 3; i++)
{
topRightTrianglePoints[i].X += (float)calendarContentPanel.ClientRectangle.Width / 7 * drawPlusInColoum;
topRightTrianglePoints[i].Y += (float)calendarContentPanel.ClientRectangle.Height / 6 * drawPlusInRow;
}
GraphicsPath topRightTrianglePath = new GraphicsPath();
topRightTrianglePath.AddPolygon(topRightTrianglePoints);
Region topRightTriangleRegion = new Region(topRightTrianglePath);
// 取得当前在编辑的文本所对应日历中的日期格子
currentTextEditingDate = new DateTime(
currentSelectedDate.Year, currentSelectedDate.Month, daysInPanel[drawPlusInRow, drawPlusInColoum]);
// 点击了加号,并且文本没有数据
if (topRightTriangleRegion.IsVisible(e.Location) && noteTextBox.Text.TrimEnd() == "")
{
updataButton.Visible = true;
deleteButton.Visible = true;
noteTextBox.Visible = true;
noteLabel.Visible = false;
// 文本框取得焦点
noteTextBox.Focus();
}
// 点击了加号,文本有数据,表示添加文本
else if (topRightTriangleRegion.IsVisible(e.Location) && noteTextBox.Text.TrimEnd() != "")
{
if (!NotepadHashtable.Exists(currentTextEditingDate))
{
NotepadHashtable.AddText(currentTextEditingDate, noteTextBox.Text);
MessageBox.Show("添加成功");
}
else
{
NotepadHashtable.UpdateText(currentTextEditingDate, noteTextBox.Text);
MessageBox.Show("已添加");
}
}
// 检查NotepadHashtable类中当前日期是否有数据，如有则显示
else if (NotepadHashtable.Exists(currentTextEditingDate))
{
noteTextBox.Text = NotepadHashtable.GetText(currentTextEditingDate);
updataButton.Visible = true;
deleteButton.Visible = true;
noteTextBox.Visible = true;
noteLabel.Visible = false;
// 文本框取得焦点
noteTextBox.Focus();
}
else
{
updataButton.Visible = false;
deleteButton.Visible = false;
noteTextBox.Visible = false;
noteLabel.Visible = true;
noteTextBox.Text = "";
this.Focus();
}
// 重绘
noteTextBox.Invalidate();
}
