mainwebform.aspx.cs

supermap开发的基站管理系统

       // InitLayerConfigAndGridViewLayerByMapCongtrol();
        InitGridViewLayerByLayerConfigTalbe();
      //  if (!IsPostBack)
       // InitGridViewLayerInCheckByMapControl();
    }
    protected void CheckBoxLayerAll_CheckedChanged(object sender, EventArgs e)
    {
        for(int i=0;i<GridViewLayer.Rows.Count ;i++)
        {
            GridViewRow row = GridViewLayer.Rows[i];
            this.CurMapLayerConfigTable.Rows[i][0] = CheckBoxLayerAll.Checked;
            //CheckBox checkVisible = (CheckBox)row.FindControl("checkBoxLayer");
            //checkVisible.Checked = CheckBoxLayerAll.Checked ;
        }
    }
    protected void GridViewLayer_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        try
        {
            CheckBox checkVisible = (CheckBox)e.Row.FindControl("checkBoxLayer");
            checkVisible.TabIndex = (short)e.Row.RowIndex;
            checkVisible.Checked = Convert.ToBoolean(this.CurMapLayerConfigTable.Rows[e.Row.RowIndex][0]);
            checkVisible.CheckedChanged += new EventHandler(checkVisible_CheckedChanged);
        }
        catch
        {
        }
    }

    void checkVisible_CheckedChanged(object sender, EventArgs e)
    {
        CheckBox checkVisible = (CheckBox)sender;
        DataTable dt = this.CurMapLayerConfigTable;
        dt.Rows[checkVisible.TabIndex][0] = checkVisible.Checked;
        MapControl1.Layers[checkVisible.TabIndex].Visible = checkVisible.Checked;
        this.MapControl1.Update();
    }
    #endregion

    #region 地图打印
    /// <summary>
    /// 当前地图的宽度
    /// </summary>
    private int MapControlWidth
    {
        set
        {
            Session["MapControlWidth"] = value;
        }
        get
        {
            if (Session["MapControlWidth"] == null)
                return 0;
            return (int)Session["MapControlWidth"];
        }
    }
    /// <summary>
    /// 当前地图的高度
    /// </summary>
    private int MapControlHeight
    {
        set
        {
            Session["MapControlHeight"] = value;
        }
        get
        {
            if (Session["MapControlHeight"] == null)
                return 0;
            return (int)Session["MapControlHeight"];
        }
    }
    #endregion

    #region 按照比例尺显示地图
    /// <summary>
    /// 按照相应的比例尺显示地图
    /// </summary>
    /// <param name="scale"></param>
    private void ViewByScale(double scale)
    {
        CurMapScale = 1 / scale; 
    }
    protected void IBtnScale_Click(object sender, ImageClickEventArgs e)
    {
        try
        {

            ViewByScale(Convert.ToDouble(DropDownListScale.Text.Trim ()));
        }
        catch
        {
            this.ShowDialog("输入的比例尺不正确,请重新输入!");

        }
    }
    protected void DropDownListScale_SelectedIndexChanged(object sender, EventArgs e)
    {
        if (DropDownListScale.Text != "")
        {
            TextBoxScale.Text = DropDownListScale.Text;
            DropDownListScale.SelectedIndex = 0;
        }
    }
    #endregion

    #region 右键菜单
    protected void LBtnLL_Click(object sender, EventArgs e)
    {
        DrawLL();
    }
    #endregion

    #region 地图查询
    public int MapQueryCount = 0;
    /// <summary>
    /// 初始化地图查询
    /// </summary>
    private void InitMapQuery()
    {
        if (PostBackCount == 2)
        {
            dropDownType.DataSource = this.MapQueryType;
            this.DataBind();
        }
        
        DingWei();
    }
    private void DingWei()
    {
        try
        {
            if (Request["Result_X"] != null && Convert.ToString(Request["Result_X"]) != "" && Request["Result_Y"] != null && Convert.ToString(Request["Result_Y"]) != "")
            {
                double x = Convert.ToDouble(Request["Result_X"].Replace(",",""));
                double y = Convert.ToDouble(Request["Result_Y"].Replace(",",""));
                this.MapControl1.CenterPoint = new MapCoord(x, y);
                this.CurMapScale = 0.0001;
                this.MapControl1.CustomLayer.Marks.Add(this.MapControl1.CustomLayer.Marks.Count.ToString () , this.MapControl1.CenterPoint.X, this.MapControl1.CenterPoint.Y, "<img src='images/hotballold.gif'>");
                this.MapControl1.CustomLayer.Visible = true;
                this.MapControl1.Update();
                this.Page.RegisterHiddenField("Result_X", "");
                this.Page.RegisterHiddenField("Result_Y", "");
            }
        }
        catch
        {
        }
    }
    #region 查询属性数据
    /// <summary>
    /// 地图查询结果
    /// </summary>
    private Recordset MapQueryResult
    {
        set
        {
            Session ["MapQueryResult"] = value;
            GetPageCount();
            MapQueryCurPageIndex = 0;
            SetBtnVisible();
        }
        get
        {
            if (Session["MapQueryResult"] == null)
                return null;
            return (Recordset)Session["MapQueryResult"];
        }
    }
    /// <summary>
    /// 地图查询类型
    /// </summary>
    private string[] MapQueryType
    {        
        get
        {
            if(Application["MapQueryType"]==null)
                return new string[0];
            return (string[])Application["MapQueryType"];
        }
    }
    /// <summary>
    /// 地图查询图层
    /// </summary>
    private string[] MapQueryLayer
    {
        get
        {
            if (Application["MapQueryLayer"] == null)
                return new string[0];
            return (string[])Application["MapQueryLayer"];
        }
    }
    /// <summary>
    /// 地图查询字段
    /// </summary>
    private string[] MapQueryField
    {
        get
        {
            if (Application["MapQueryField"] == null)
                return new string[0];
            return (string[])Application["MapQueryField"];
        }
    }
    /// <summary>
    /// 显示或查询字段名称
    /// </summary>
    private string MapQueryShowAndQueryField
    {
        set
        {
            Session["MapQueryShowAndQueryField"] = value;
        }
        get
        {
            if (Session["MapQueryShowAndQueryField"] == null)
                return "";
            return (string)Session["MapQueryShowAndQueryField"];
        }
    }
    #endregion 


    /// <summary>
    /// 根据查询类型得到相应的图层名称和查询字段
    /// </summary>
    /// <param name="type"></param>
    /// <returns></returns>
    private string[] GetLayerAndFieldByType(string type)
    {
        string[] queryType = this.MapQueryType;
        string[] queryLayer = this.MapQueryLayer;
        string[] queryField = this.MapQueryField;
        int index = -1;
        for (int i = 0; i < queryType.Length; i++)
        {
            if (type.Trim() == queryType[i].Trim())
            {
                index = i;
                break;
            }
        }
        if (index == -1 || index >= queryLayer.Length || index >= queryField.Length)
            return new string[] { };
        return new string[] { queryLayer[index], queryField[index] };
    }
    /// <summary>
    /// 根据类型和名称进行查询
    /// </summary>
    /// <param name="type"></param>
    /// <param name="queryText"></param>
    /// <returns></returns>
    private Recordset    QueryInMap(string type,string queryText)
    {
        string[] query = this.GetLayerAndFieldByType(type);
        if (query.Length == 0)
            return null;
        this.MapQueryShowAndQueryField = query[1];
        QueryParam qParam = new QueryParam();
        qParam.HasGeometry = false;
        QueryLayer layer = new QueryLayer(query[0]);
        layer.WhereClause  = string.Format("{0} like '%{1}%'", query[1], queryText);
        layer.SortClause = " order by " + query[1];
        qParam.Layers = new QueryLayer[] { layer };
    
       // return  MapControl1.QueryBySQL(qParam);
        ResultSet rs=MapControl1.QueryBySQL(qParam);
        if (rs.Recordsets == null || rs.Recordsets.Length == 0)
            return null;
        return rs.Recordsets[0];
    }
    /// <summary>
    /// 得到查询结果总页数
    /// </summary>
    /// <returns></returns>
    private void GetPageCount()
    {
        if (this.MapQueryResult == null || this.MapQueryResult.Records.Length == 0)
        {
            this.MapQueryTotalPage = 0;
            return;
        }
        int count = this.MapQueryResult.Records.Length / this.MapQueryPageSize;
        if (this.MapQueryResult.Records.Length % this.MapQueryPageSize > 0)
            count++;
        this.MapQueryTotalPage = count;       

    }
    private void SetBtnVisible()
    {
       this.IBtnPre.Visible = this.MapQueryCurPageIndex != 0;
        IBtnNext.Visible = this.MapQueryCurPageIndex < this.MapQueryTotalPage - 1;
    }
    #region  分页控制
    /// <summary>
    /// 显示当前页
    /// </summary>
    private int MapQueryCurPageIndex
    {
        set
        {
            Session["MapQueryCurPageIndex"] = value;
        }
        get
        {
            if (Session["MapQueryCurPageIndex"] == null)
                return -1;
            return (int)Session["MapQueryCurPageIndex"];
        }
    }
    /// <summary>
    /// 总页数
    /// </summary>
    private int MapQueryTotalPage
    {
        set
        {
            Session["MapQueryTotalPage"] = value;
        }
        get
        {
            if (Session["MapQueryTotalPage"] == null)
                return -1;
            return (int)Session["MapQueryTotalPage"];
        }
    }
    /// <summary>
    /// 每页显示的记录数
    /// </summary>
    private int MapQueryPageSize
    {
        set
        {
            Session["MapQueryPageSize"] = value;
        }
        get
        {
            int pageSize = 10;
            string size = ConfigurationManager.AppSettings["MapResultPageSize"];
            try
            {
                pageSize = Convert.ToInt16(size);
            }
            catch
            {
            }
            return pageSize;
            //if (Session["MapQueryPageSize"] == null)
            //    return 10;
            //return (int)Session["MapQueryPageSize"];
        }
    }
   
    #endre