/*
* 通过XML文件来加载页面控件对象
*
* xml - 一个页面对应的xml对象
* isCreate - true: 创建新的ID号
* false: 直接使用文件中的ID号
* */
public void loadXML(SVXml xml, Boolean isCreate = false)
{
_redoUndo.setEnabled(false);
XmlElement page = xml.CurrentElement;
if (isCreate)
{
var instance = SVUniqueID.instance();
_attrib.id = instance.newUniqueID();
instance.saveFile();
}
else
{
_attrib.id = UInt16.Parse(page.GetAttribute("ID"));
}
try
{
XmlElement width = xml.select("Width");
_attrib.Width = int.Parse(width.InnerText);
XmlElement height = xml.select("Height");
_attrib.Height = int.Parse(height.InnerText);
XmlElement back = xml.select("Backcolor");
_attrib.BackColor = Color.FromArgb(int.Parse(back.InnerText));
XmlElement mainPage = xml.select("MainPage");
_attrib.IsMainPage = Boolean.Parse(mainPage.InnerText);
if (_attrib.IsMainPage)
{
setToMainPageWidget();
}
XmlElement backGroundType = xml.select("BackGroundType");
_attrib.BackGroundType = Byte.Parse(backGroundType.InnerText);
XmlElement picShowName = xml.select("PicShowName");
_attrib.PicIconData.ShowName = picShowName.InnerText;
XmlElement picFile = xml.select("PicFile");
_attrib.PicIconData.ImageFileName = picFile.InnerText;
XmlElement alignMent = xml.select("alignment");
_attrib.IsAlignment = Byte.Parse(alignMent.InnerText);
}
catch (Exception)
{
}
//读取当前页面的所有子控件
List <XmlElement> listNodes = xml.selectChilds();
foreach (XmlElement node in listNodes)
{
SVPanel svPanel = SVNameToObject.getInstance(node.Name) as SVPanel;
if (svPanel == null)
{
continue;
}
svPanel.setRedoUndoObject(_redoUndo);
svPanel.setParentID(_attrib.id);
svPanel.MouseDown += new MouseEventHandler((sder, ev) =>
{
MouseSelectEvent(sder, ev);
});
svPanel.MouseUp += new MouseEventHandler((sder, ev) =>
{
MouseSelectEvent(sder, ev);
});
this.Controls.Add(svPanel);
xml.CurrentElement = node;
svPanel.loadXML(xml, isCreate);
svPanel.refreshPropertyToPanel();
}
_redoUndo.setEnabled(true);
}
/// <summary>
/// 控件拖入页面窗口中的事件操作
/// </summary>
/// <param Name="e"></param>
protected override void OnDragDrop(DragEventArgs e)
{
if (!e.Data.GetDataPresent(typeof(SVSelectItem)))
{
return;
}
///禁用记录
_redoUndo.setEnabled(false);
SVSelectItem item = (SVSelectItem)e.Data.GetData(typeof(SVSelectItem));
SVPanel btn = (SVPanel)(item._obj);
btn.setRedoUndoObject(_redoUndo);
btn.setParentID(Attrib.id);
btn.refreshPropertyToPanel();
btn.Location = this.PointToClient(new Point(e.X, e.Y));
btn.Location = new Point(btn.Location.X - btn.Width / 2, btn.Location.Y - btn.Height / 2);
btn.setStartPos(btn.Location);
this.Controls.Add(btn);
btn.newID();
ChildAddEvent(btn, null);
btn.MouseDown += new MouseEventHandler((sder, ev) =>
{
MouseSelectEvent(sder, ev);
});
btn.MouseUp += new MouseEventHandler((sder, ev) =>
{
MouseSelectEvent(sder, ev);
});
///启用记录
_redoUndo.setEnabled(true);
///记录重做操作
///这里只记录控件的添加和删除操作，其他属性的改变并不会被记录下来。
SVRedoUndoItem recordItem = new SVRedoUndoItem();
recordItem.ReDo = () =>
{
_redoUndo.setEnabled(false);
btn.Selected = false;
this.Controls.Add(btn);
_redoUndo.setEnabled(true);
};
recordItem.UnDo = () =>
{
_redoUndo.setEnabled(false);
btn.Selected = false;
this.Controls.Remove(btn);
_redoUndo.setEnabled(true);
};
///执行记录
_redoUndo.recordOper(recordItem);
}