runreportexploreforcfg.cs

树形逻辑报表程序源码,能根居元数据定义拖拉开发新的报表.

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

namespace TreeReportApp
{
	/// <summary>
	/// RunReportExploreForCfg 的摘要说明。
	/// </summary>
	public class RunReportExploreForCfg : System.Windows.Forms.Form
	{
		private DataDynamics.ActiveReports.ActiveReport currentreport;
		public string selectcontrlid="";
		private RunReportInfo reportinfo = null;

		private System.Windows.Forms.TreeView treeView_explore;
		private System.Windows.Forms.Button button_ok;
		private System.Windows.Forms.Button button_cancel;
		private System.Windows.Forms.ImageList imageList_tree;
		private System.ComponentModel.IContainer components;

		public RunReportExploreForCfg()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(RunReportExploreForCfg));
			this.treeView_explore = new System.Windows.Forms.TreeView();
			this.imageList_tree = new System.Windows.Forms.ImageList(this.components);
			this.button_ok = new System.Windows.Forms.Button();
			this.button_cancel = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// treeView_explore
			// 
			this.treeView_explore.Dock = System.Windows.Forms.DockStyle.Top;
			this.treeView_explore.ImageList = this.imageList_tree;
			this.treeView_explore.Location = new System.Drawing.Point(0, 0);
			this.treeView_explore.Name = "treeView_explore";
			this.treeView_explore.Size = new System.Drawing.Size(232, 288);
			this.treeView_explore.TabIndex = 0;
			this.treeView_explore.DoubleClick += new System.EventHandler(this.treeView_explore_DoubleClick);
			// 
			// imageList_tree
			// 
			this.imageList_tree.ImageSize = new System.Drawing.Size(16, 16);
			this.imageList_tree.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList_tree.ImageStream")));
			this.imageList_tree.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// button_ok
			// 
			this.button_ok.Location = new System.Drawing.Point(24, 296);
			this.button_ok.Name = "button_ok";
			this.button_ok.TabIndex = 1;
			this.button_ok.Text = "确　认";
			this.button_ok.Click += new System.EventHandler(this.button_ok_Click);
			// 
			// button_cancel
			// 
			this.button_cancel.Location = new System.Drawing.Point(136, 296);
			this.button_cancel.Name = "button_cancel";
			this.button_cancel.TabIndex = 2;
			this.button_cancel.Text = "取　消";
			this.button_cancel.Click += new System.EventHandler(this.button_cancel_Click);
			// 
			// RunReportExploreForCfg
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(232, 325);
			this.Controls.Add(this.button_cancel);
			this.Controls.Add(this.button_ok);
			this.Controls.Add(this.treeView_explore);
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.Name = "RunReportExploreForCfg";
			this.ShowInTaskbar = false;
			this.Text = "报表对象树，双击选择";
			this.Load += new System.EventHandler(this.RunReportExploreForCfg_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 初始化，建立所需的对象及引用
		/// </summary>
		public void initExploreForCfg(DataDynamics.ActiveReports.ActiveReport current_report,RunReportInfo report_info)
		{
		   currentreport = current_report;
		   reportinfo = report_info;
		}



		/// <summary>
		/// IsConfiged - 用户是否已对此控件进行配置
		/// </summary>
		private bool IsConfiged(string ctlname)
		{
			DataRow[] rows = this.reportinfo.getConfigInfo().Select("ControlID='"+ctlname+"'");
			return rows.Length>0?true:false;
		}		

		/// <summary>
		/// IsConfigurable - 是否允许用户对此控件进行配置
		/// </summary>
		private bool IsConfigurable(string ctlname)
		{
			DataRow[] rows = this.reportinfo.getConfigurableInfo().Select("ControlID='"+ctlname+"'");
			return rows.Length>0?true:false;
		}		

		/// <summary>
		/// RunReportExploreForCfg_Load - 载入窗体时，生成对象树，并标明哪些控件可配置
		/// </summary>
		private void RunReportExploreForCfg_Load(object sender, System.EventArgs e)
		{
			//treeView_explore.CheckBoxes = true;

			TreeNode rootnode = new TreeNode( "报表对象树",0,0);
			rootnode.Tag = "report";
			//rootnode.ForeColor = Color.LightGray;
			treeView_explore.Nodes.Add( rootnode );

			//逐个扫描所有控件，查看本名称是否已有其它控件使用
			TreeNode sectionnode, controlnode;
			foreach(DataDynamics.ActiveReports.Section sec in this.currentreport.Sections)
			{
				sectionnode = new TreeNode(sec.Name,1,1);
				sectionnode.Tag = "section";
				sectionnode.ForeColor = Color.LightGray;
				rootnode.Nodes.Add(sectionnode);
				
				foreach(DataDynamics.ActiveReports.ARControl ctl in sec.Controls)
				{
					controlnode = new TreeNode(ctl.Name,2,2);

					if (IsConfigurable(ctl.Name) && !IsConfiged(ctl.Name))
					{
						//可以新增些控件的配置
						controlnode.Tag = "control";
					}
					else
					{
						//不可配置或已配置过
						controlnode.Tag = "hassetconfig";
						controlnode.ForeColor = Color.LightGray;
					}
					
					sectionnode.Nodes.Add(controlnode);
				}
			}

			treeView_explore.ExpandAll();

		}

		private void treeView_explore_DoubleClick(object sender, System.EventArgs e)
		{
			if (treeView_explore.SelectedNode!=null && "control".Equals(treeView_explore.SelectedNode.Tag.ToString()))
			{
				selectcontrlid = treeView_explore.SelectedNode.Text;
				DialogResult = DialogResult.OK;
				this.Close();
			}
		}

		private void button_ok_Click(object sender, System.EventArgs e)
		{
			if (treeView_explore.SelectedNode!=null && "control".Equals(treeView_explore.SelectedNode.Tag.ToString()))
			{
				selectcontrlid = treeView_explore.SelectedNode.Text;
				DialogResult = DialogResult.OK;
				this.Close();
			}
		}

		private void button_cancel_Click(object sender, System.EventArgs e)
		{
			DialogResult = DialogResult.Cancel;
			this.Close();
		}
	
			
	}
}