ColumnManager

 

using System;
using System.Data;
using System.Windows.Forms;
using System.ComponentModel;

namespace Common
...{
    
    public class ColumnManager
    ...{
        private string[] _cname;
        private string[] _cheader;
        private string[] _clabel;
        private string[] _ccomment;
        private string _message;
        private DataSet ds;
        private string tb;
        private CurrencyManager cm;
        public ColumnManager(string[] cname,string[] cheader,string[] clabel,string[] cc)
        ...{
            this._cname=cname;
            this._cheader=cheader;
            this._clabel=clabel;
            this._ccomment=cc;
        }
        public ColumnManager(DataSet cds,string ctb)
        ...{
            ds= new DataSet();
            ds.Merge(cds);
            int count = ds.Tables[ctb].Rows.Count;
            if(count!=0)
            ...{
                _cname=new string[count];
                _cheader=new string[count];
                _clabel=new string[count];
                _ccomment=new string[count];
                ds=cds;
                this.tb=ctb;
                int i=0;
                foreach(DataRow dr in cds.Tables[ctb].Rows)
                ...{                    
                    _cname[i]=dr["pbc_cnam"].ToString();
                    _cheader[i]=dr["pbc_hdr"].ToString();
                    _clabel[i]=dr["pbc_labl"].ToString();
                    _ccomment[i]=dr["pbc_cmnt"].ToString();
                    i+=1;
                }
            }
        }
        public ColumnManager(DataSet cds,string ctb,CurrencyManager ccm)
        ...{
            int count =cds.Tables[ctb].Rows.Count;
            if(count!=0)
            ...{
                _cname=new string[count];
                _cheader=new string[count];
                _clabel=new string[count];
                _ccomment=new string[count];
                ds=cds;
                cm=ccm;
                this.tb=ctb;
                int i=0;
                foreach(DataRow dr in cds.Tables[ctb].Rows)
                ...{                
                    string d=dr["pbc_cnam"].ToString();
                    _cname[i]=d.Trim();
                    
                    _cheader[i]=dr["pbc_hdr"].ToString();
                    _clabel[i]=dr["pbc_labl"].ToString();
                    _ccomment[i]=dr["pbc_cmnt"].ToString();
                    i+=1;
                }
            }

        }
        public DataGridTableStyle CreateColumns(DataSet tds,string ctb)
        ...{
            
            DataGridTableStyle GridTableStyle=new DataGridTableStyle();
            GridTableStyle.MappingName=ctb;

            DataGridColumnStyle myStyle;            
            PropertyDescriptor myDescriptor ;
            foreach(DataColumn dc in tds.Tables[tb].Columns)
            ...{
                myDescriptor=cm.GetItemProperties()[dc.ColumnName];
                myStyle =new DataGridTextBoxColumn(myDescriptor);

                myStyle.MappingName = dc.ColumnName;
                if(this.GetHeader(dc.ColumnName)!="")
                    myStyle.HeaderText = this.GetHeader(dc.ColumnName);
                else
                    myStyle.HeaderText = dc.ColumnName;
                myStyle.Alignment=HorizontalAlignment.Left;
                myStyle.NullText=String.Empty;
                GridTableStyle.GridColumnStyles.Add(myStyle);
            }        
    
            return GridTableStyle;
        }
        public DataGridTableStyle CreateColumns(DataSet dds,string ctb,DataSet cbds,string cbtb,string dmember,string smember,string columnName)
        ...{
            
            DataGridTableStyle GridTableStyle=new DataGridTableStyle();
            GridTableStyle.MappingName=ctb;

            DataGridColumnStyle myStyle=null;            
            PropertyDescriptor myDescriptor ;
            foreach(DataColumn dc in dds.Tables[ctb].Columns)
            ...{
                if(dc.ColumnName!=columnName)
                ...{
                    myDescriptor=cm.GetItemProperties()[dc.ColumnName];
                    myStyle =new DataGridTextBoxColumn(myDescriptor);

                    myStyle.MappingName = dc.ColumnName;
                    myStyle.HeaderText = this.GetHeader(dc.ColumnName);
                    myStyle.Alignment=HorizontalAlignment.Left;
                    myStyle.NullText=String.Empty;
                }
                else
                ...{
                    myStyle =this.AddComboBoxColumn(cbds,ctb,dmember,smember,columnName);
                }
                GridTableStyle.GridColumnStyles.Add(myStyle);
            }        
    
            return GridTableStyle;
        }

        public DataGridColumnStyle AddColumn(string columnName)
        ...{
            DataGridColumnStyle myStyle;            
            PropertyDescriptor myDescriptor ;
            
            myDescriptor=cm.GetItemProperties()[columnName];
            myStyle =new DataGridTextBoxColumn(myDescriptor);

            myStyle.MappingName = columnName;
            myStyle.HeaderText = GetHeader(columnName);
            myStyle.Alignment=HorizontalAlignment.Left;
            myStyle.NullText=String.Empty;
            return myStyle;
            
        }
        public DataGridColumnStyle AddComboBoxColumn(DataSet cbds,string ctb,string dmember,string smember,string columnName)
        ...{

            DataGridColumnStyle myStyle;            
            myStyle =new DataGridComboBoxColumnStyle(cbds.Tables[ctb],dmember,smember);

            myStyle.MappingName = columnName;
            myStyle.HeaderText = GetHeader(columnName);
            myStyle.Alignment=HorizontalAlignment.Left;
            myStyle.NullText=String.Empty;
            return myStyle;
        }
        public string GetHeader(string cname)
        ...{
            string rt=null;
            int i=ColumnIndex(cname);
            if(i<0)
                _message="No Column";
            else
            ...{
                rt=_cheader[i];
            }
            return rt;
        }
        public string GetLabel(string cname)
        ...{
            string rt=null;
            int i=ColumnIndex(cname);
            if(i<0)
                _message="No Column";
            else
            ...{
                rt=_clabel[i];
            }
            return rt;
        }
        public string GetComment(string cname)
        ...{
            string rt=null;
            int i=ColumnIndex(cname);
            if(i<0)
                _message="No Column";
            else
            ...{
                rt=_ccomment[i];
            }
            return rt;
        }
        private int ColumnIndex(string cname)
        ...{
            int k=-1;
            for(int i=0;i<_cname.Length;i++)
            ...{
                if(cname==_cname[i])
                ...{
                    k=i;
                    break;
                }
            }
            return k;
        }
        public string[] AllColumn
        ...{
            get
            ...{
                return this._cname;
            }
        }
        public CurrencyManager CurrencyManager
        ...{
            get...{return this.cm;}
            set...{cm=value;}
        }
    }
}