/// <summary>
/// 在选择和添加对像时及时更新属性显示器中的内容
/// </summary>
/// <param name="item">要显示属性的对像</param>
public void SelectedItem(DrawItemBase item)
{
if (OnShowProperityInfo != null)
{
OnShowProperityInfo(item);
}
}
/// <summary>
/// 删除设计器选中的对像
/// </summary>
public void DeleteSelectedItem()
{
//获取设计器中的对像数量
DrawItemBase[] drawitems = new DrawItemBase[Items.Count];
Items.CopyTo(drawitems, 0);//将对像复制一份删除时使用
foreach (DrawItemBase dib in drawitems)
{
//如果对像选择删除
if (dib.Selected)
{
//Items.UnSelectAll();
Items.Remove(dib);
//if (dib is DrawText)
//{
// textBox.Text = "";
// textBox.Visible = false;
//}
}
}
//更新对像
this.Refresh();
//删除时触发item更改事件在documentspace中更新对像列表
if (OnItemChange != null)
{
OnItemChange();
}
}
public override void OnMouseUp(Designer designer, System.Windows.Forms.MouseEventArgs e)
{
//如果是区域选择,选中在此区域的对像
if (selectmode == SelectionMode.NetSelection)
{
designer.Items.SelectInRectangle(designer.SelectRectangle);
selectmode = SelectionMode.None;
designer.IsDrawSelectRectangle = false;
}
//如果是改变大小则结束改变
if (resizeObject != null)
{
resizeObject.Normalize();
//如果改变对像的尺寸大小
if (designer.SelectDrawText != null && (resizeObject.GetType().Name == designer.SelectDrawText.GetType().Name))
{
Rectangle rectangle = DrawRectangle.GetNormalizedRectangle((resizeObject as DrawText).Rectangle);
designer.textBox.Location = new Point(rectangle.X + 8, rectangle.Y + 7);
designer.textBox.Size = new Size(rectangle.Width - 10, rectangle.Height - 10);
// designer.textBox.Focus();
//设置当前选中的文本编辑器
//在多个编辑切换时，可以知道当前编辑的是哪一个
}
resizeObject = null;
}
designer.Capture = false;
designer.Refresh();
}
protected void AddNewObject(Designer designer, DrawItemBase drawitem)
{
//在设计器对像列表中加入新的对像
designer.Items.Add(drawitem);
//将原来选中的对像设计为未选中
designer.Items.UnSelectAll();
//设置新添加的对像为选中状态
drawitem.Selected = true;
designer.Capture = true;
designer.Refresh();
//new PubUtils().ShowNoteOKMsg(((LablePrint.DrawItem.DrawText)(drawitem)).TextRectangle.Width.ToString());
designer.ChangeFlage = true;
}
private void Designer_MouseDoubleClick(object sender, MouseEventArgs e)
{
//如果是鼠标左键和当前工具是"选择"才执行显示属性或编辑(文本)操作
if (e.Button == MouseButtons.Left && (activeTool.GetType().Name == typeof(ToolSelector).Name))
{
//由于在鼠标点击时控制了鼠标工作区域,如果是双击则不需要控制
//恢复鼠标的工作区域
Cursor.Clip = tempCursorPos;
if (this.Items != null && this.Items.Count > 0)
{
//取消所有选择
this.Items.UnSelectAll();
int count = this.Items.Count;
DrawItemBase item = null;
for (int i = 0; i < count; i++)
{
//检查是否有选中的对像
if (this.Items[i].HitTest(new Point(e.X, e.Y)) == 0)
{
item = this.Items[i]; //获取选中的对像
item.Selected = true; //设置为选中状态
//如果绑定了显示属性事件则触发事件
if (OnShowProperityInfo != null)
{
OnShowProperityInfo(item);
}
//如果是文本编辑则显示出textbox
if (item.GetType().Name == typeof(DrawText).Name)
{
DrawText dt = item as DrawText;
textBox.Location = new Point(dt.Rectangle.X + 8, dt.Rectangle.Y + 7);
textBox.Size = new Size(dt.Rectangle.Width - 14, dt.Rectangle.Height - 14);
textBox.Font = dt.TextFont;
textBox.Text = dt.TextValue;
textBox.Focus();
textBox.Enabled = true;
textBox.Visible = true;
}
this.Refresh();
break;
}
}
}
}
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
if (e.Index > -1 && this.Items.Count > 0)
{
e.DrawBackground();
e.DrawFocusRectangle();
DrawItemBase item = this.Items[e.Index] as DrawItemBase;
Graphics g = e.Graphics;
g.DrawImage(item.IconImage, new Rectangle(e.Bounds.X + 15, e.Bounds.Y + 2, 16, 16));
if (this.SelectedIndex == e.Index)
{
g.DrawString(item.Name + " - " + (e.Index + 1).ToString(), new Font("Verdana", 9), Brushes.White, e.Bounds.X + 36, e.Bounds.Y + 3);
}
else
{
g.DrawString(item.Name + " - " + (e.Index + 1).ToString(), new Font("Verdana", 9), Brushes.Blue, e.Bounds.X + 36, e.Bounds.Y + 3);
}
}
// base.OnDrawItem(e);
}
/// <summary>
/// 将对像的属性显示出来
/// </summary>
/// <param name="sender"></param>
protected void designer1_OnShowProperityInfo(DrawItemBase sender)
{
propertyGrid1.SelectedObject = sender;
}
public override void OnMouseDown(Designer designer, System.Windows.Forms.MouseEventArgs e)
{
selectmode = SelectionMode.None;
Point point = new Point(e.X, e.Y);
int selectCount = designer.Items.SelectionCount;
//如果光标在后柄上,则模式为改变对像的大小
for (int i = 0; i < selectCount; i++)
{
//找到要修改的对像
DrawItemBase item = designer.Items.GetSelectItem(i);
if (item == null)
{
continue;
}
int handleNumber = item.HitTest(point);
if (handleNumber > 0)
{
selectmode = SelectionMode.Size;
resizeHandle = handleNumber;
resizeObject = item;
designer.Items.UnSelectAll();
resizeObject.Selected = true;
break;
}
}
//如果没有选中对像手柄,则检查是否在对像上
if (selectmode == SelectionMode.None)
{
int itemCount = designer.Items.Count;
DrawItemBase item = null;
for (int i = 0; i < itemCount; i++)
{
if (designer.Items[i].HitTest(point) == 0)
{
item = designer.Items[i];
selectmode = SelectionMode.Move;
designer.Items.UnSelectAll();
item.Selected = true;
designer.SelectedItem(item);
designer.Cursor = Cursors.SizeAll;
break;
}
}
}
// 如果没有选中对像,则是进行区域选择
if (selectmode == SelectionMode.None)
{
selectmode = SelectionMode.NetSelection;
designer.Items.UnSelectAll();
designer.IsDrawSelectRectangle = true;
}
lastPoint.X = startPoint.X = e.X;
lastPoint.Y = startPoint.Y = e.Y;
designer.Capture = true;
designer.SelectRectangle = GetNormalizedRectangle(startPoint.X, startPoint.Y, lastPoint.X, lastPoint.Y);
designer.Refresh();
}
